diff --git a/.cargo/config b/.cargo/config
index cf13702..603152c 100644
--- a/.cargo/config
+++ b/.cargo/config
@@ -1,3 +1,2 @@
 [alias]
-dep-tests = ["run", "--manifest-path", "./tools/dep-tests/Cargo.toml", "--"]
 test-examples = ["run", "--manifest-path", "./tools/test-examples/Cargo.toml", "--"]
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b2528fa..cd51349 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
         # Breaking changes like this might be mixed into the future stable versions.
         # https://github.com/rust-lang/rustfmt/pull/3632
         channel:
-          - 1.39.0
+          - 1.40.0
           - stable
 
     name: Rustfmt (${{ matrix.channel }})
@@ -22,9 +22,9 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v1
+        uses: actions/checkout@v2
 
-      - name: rust-toolchain
+      - name: Setup ${{ matrix.channel }}-x86_64-unknown-linux-gnu
         uses: actions-rs/toolchain@v1
         with:
           toolchain: ${{ matrix.channel }}-x86_64-unknown-linux-gnu
@@ -37,71 +37,22 @@ jobs:
           command: fmt
           args: -- --check
 
-      - name: '`cargo fmt --manifest-path ./tools/dep-tests/Cargo.toml -- --check`'
-        uses: actions-rs/cargo@v1
-        with:
-          command: fmt
-          args: --manifest-path ./tools/dep-tests/Cargo.toml -- --check
-
       - name: '`cargo fmt --manifest-path ./tools/test-examples/Cargo.toml -- --check`'
         uses: actions-rs/cargo@v1
         with:
           command: fmt
           args: --manifest-path ./tools/test-examples/Cargo.toml -- --check
 
-  test-examples:
-    name: test-examples
-    runs-on: ubuntu-18.04
-
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v1
-
-      - name: setup-python
-        uses: actions/setup-python@v1
-        with:
-          python-version: '3.8'
-
-      - name: rust-toolchain
-        uses: actions-rs/toolchain@v1
-        with:
-          toolchain: 1.39.0-x86_64-unknown-linux-gnu
-          default: true
-          profile: default
-
-      - name: '`cargo install --git https://github.com/rust-lang-ja/atcoder-rustc-dep-option-generator`'
-        uses: actions-rs/cargo@v1
-        with:
-          command: install
-          args: --git https://github.com/rust-lang-ja/atcoder-rustc-dep-option-generator
-
-      - name: '`cargo clippy --all-features --manifest-path ./tools/test-examples/Cargo.toml -- -D warnings`'
-        uses: actions-rs/cargo@v1
-        with:
-          command: clippy
-          args: --all-features --manifest-path ./tools/test-examples/Cargo.toml -- -D warnings
-
-      - name: '`cargo build --all-features --release`'
-        uses: actions-rs/cargo@v1
-        with:
-          command: build
-          args: --all-features --release
-
-      - name: '`cargo test-examples`'
-        uses: actions-rs/cargo@v1
-        with:
-          command: test-examples
-
   build:
     strategy:
       fail-fast: false
       matrix:
         toolchain:
           # `x86_64-pc-windows-gnu` is tier 1 **for now**.
-          - 1.39.0-x86_64-pc-windows-msvc
-          - 1.39.0-x86_64-pc-windows-gnu
-          - 1.39.0-x86_64-apple-darwin
-          - 1.39.0-x86_64-unknown-linux-gnu
+          - 1.40.0-x86_64-pc-windows-msvc
+          - 1.40.0-x86_64-pc-windows-gnu
+          - 1.40.0-x86_64-apple-darwin
+          - 1.40.0-x86_64-unknown-linux-gnu
           - stable-x86_64-pc-windows-msvc
           - stable-x86_64-pc-windows-gnu
           - stable-x86_64-apple-darwin
@@ -111,53 +62,29 @@ jobs:
           - beta-x86_64-apple-darwin
           - beta-x86_64-unknown-linux-gnu
         include:
-          - toolchain: 1.39.0-x86_64-pc-windows-msvc
-            features: --no-default-features
-            dep_tests: true
+          - toolchain: 1.40.0-x86_64-pc-windows-msvc
             os: windows-latest
-          - toolchain: 1.39.0-x86_64-pc-windows-gnu
-            features: --no-default-features
-            dep_tests: false
+          - toolchain: 1.40.0-x86_64-pc-windows-gnu
             os: windows-latest
-          - toolchain: 1.39.0-x86_64-apple-darwin
-            features: --all-features
-            dep_tests: true
+          - toolchain: 1.40.0-x86_64-apple-darwin
             os: macOS-latest
-          - toolchain: 1.39.0-x86_64-unknown-linux-gnu
-            features: --all-features
-            dep_tests: true
+          - toolchain: 1.40.0-x86_64-unknown-linux-gnu
             os: ubuntu-18.04
           - toolchain: stable-x86_64-pc-windows-msvc
-            features: --no-default-features
-            dep_tests: true
             os: windows-latest
           - toolchain: stable-x86_64-pc-windows-gnu
-            features: --no-default-features
-            dep_tests: false
             os: windows-latest
           - toolchain: stable-x86_64-apple-darwin
-            features: --all-features
-            dep_tests: true
             os: macOS-latest
           - toolchain: stable-x86_64-unknown-linux-gnu
-            features: --all-features
-            dep_tests: true
             os: ubuntu-18.04
           - toolchain: beta-x86_64-pc-windows-msvc
-            features: --no-default-features
-            dep_tests: true
             os: windows-latest
           - toolchain: beta-x86_64-pc-windows-gnu
-            features: --no-default-features
-            dep_tests: false
             os: windows-latest
           - toolchain: beta-x86_64-apple-darwin
-            features: --all-features
-            dep_tests: true
             os: macOS-latest
           - toolchain: beta-x86_64-unknown-linux-gnu
-            features: --all-features
-            dep_tests: true
             os: ubuntu-18.04
 
     name: ${{ matrix.toolchain }}
@@ -169,50 +96,45 @@ jobs:
         if: matrix.os == 'windows-latest'
 
       - name: Checkout
-        uses: actions/checkout@v1
+        uses: actions/checkout@v2
 
-      - name: rust-toolchain
+      - name: Setup ${{ matrix.toolchain }}
         uses: actions-rs/toolchain@v1
         with:
           toolchain: ${{ matrix.toolchain }}
           override: true
           profile: default
 
-      - name: '`cargo clippy --all-targets --profile test ${{ matrix.features }} -- -D warnings`'
-        uses: actions-rs/cargo@v1
+      - name: Setup Python 3.8
+        uses: actions/setup-python@v1
         with:
-          command: clippy
-          args: --all-targets --profile test ${{ matrix.features }} -- -D warnings
+          python-version: '3.8'
 
-      - name: '`cargo test --all-targets ${{ matrix.features }} --no-fail-fast`'
+      - name: '`cargo clippy --all-targets --profile test -- -D warnings`'
         uses: actions-rs/cargo@v1
         with:
-          command: test
-          args: --all-targets ${{ matrix.features }} --no-fail-fast
+          command: clippy
+          args: --all-targets --profile test -- -D warnings
 
-      - name: '`cargo run --release`'
+      - name: '`cargo clippy --manifest-path ./tools/test-examples/Cargo.toml -- -D warnings`'
         uses: actions-rs/cargo@v1
         with:
-          command: run
-          args: ${{ matrix.features }} --release
+          command: clippy
+          args: --manifest-path ./tools/test-examples/Cargo.toml -- -D warnings
 
-      - name: '`cargo clippy ${{ matrix.features }} --manifest-path ./tools/dep-tests/Cargo.toml -- -D warnings`'
+      - name: '`cargo test --all-targets --no-fail-fast`'
         uses: actions-rs/cargo@v1
         with:
-          command: clippy
-          args: ${{ matrix.features }} --manifest-path ./tools/dep-tests/Cargo.toml -- -D warnings
-        if: matrix.dep_tests
+          command: test
+          args: --all-targets --no-fail-fast
 
-      - name: '`cargo test ${{ matrix.features }} --manifest-path ./tools/dep-tests/Cargo.toml --no-fail-fast`'
+      - name: '`cargo run --release`'
         uses: actions-rs/cargo@v1
         with:
-          command: test
-          args: ${{ matrix.features }} --manifest-path ./tools/dep-tests/Cargo.toml --no-fail-fast
-        if: matrix.dep_tests
+          command: run
+          args: --release
 
-      - name: '`cargo dep-tests --all-features -d 1`'
+      - name: '`cargo test-examples`'
         uses: actions-rs/cargo@v1
         with:
-          command: dep-tests
-          args: --all-features -d 1
-        if: matrix.dep_tests
+          command: test-examples
diff --git a/.gitignore b/.gitignore
index 83c0e8e..234330d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,3 @@
-/tools/dep-tests/Cargo.lock
 /tools/test-examples/Cargo.lock
 **/target/
 **/*.rs.bk
diff --git a/Cargo.lock b/Cargo.lock
index f128eb2..655903f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -27,14 +27,6 @@ dependencies = [
  "num-traits 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "arrayvec"
-version = "0.4.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "nodrop 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "ascii"
 version = "1.0.0"
@@ -44,35 +36,23 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 name = "atcoder-rust-base"
 version = "0.1.0"
 dependencies = [
- "aho-corasick 0.7.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "alga 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "approx 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "ascii 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "bitset-fixed 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "defmac 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "derive-new 0.5.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "derive_more 0.99.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "either 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "euclid 0.20.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "fixedbitset 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "getrandom 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
- "if_chain 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "im-rc 14.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "indexmap 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "im-rc 14.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "indexmap 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "itertools 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "itertools-num 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "jemalloc-ctl 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "jemallocator 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libm 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "maplit 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "matches 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "modtype 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "nalgebra 0.19.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "ndarray 0.13.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "nom 5.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "num 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "num-bigint 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-bigint 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-complex 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-derive 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-integer 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -82,11 +62,7 @@ dependencies = [
  "ordered-float 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "permutohedron 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "petgraph 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "primal 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "primal-check 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "primal-estimate 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "primal-sieve 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "proconio 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proconio 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_chacha 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -96,29 +72,16 @@ dependencies = [
  "regex 1.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-hash 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "strsim 0.9.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "superslice 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "take_mut 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "text_io 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "union-find 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "text_io 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "whiteread 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "autocfg"
-version = "0.1.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "autocfg"
 version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "bitflags"
-version = "1.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "bitmaps"
 version = "2.0.0"
@@ -145,77 +108,21 @@ dependencies = [
  "ppv-lite86 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "cc"
-version = "1.0.50"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "cfg-if"
 version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "cloudabi"
-version = "0.0.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "defmac"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "derive-new"
-version = "0.5.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "proc-macro2 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "derive_more"
-version = "0.99.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "proc-macro2 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "either"
 version = "1.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "euclid"
-version = "0.20.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "num-traits 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "fixedbitset"
 version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "fs_extra"
-version = "1.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "fuchsia-cprng"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "generic-array"
 version = "0.13.2"
@@ -234,27 +141,9 @@ dependencies = [
  "wasi 0.9.0+wasi-snapshot-preview1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "hamming"
-version = "0.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "heck"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "unicode-segmentation 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "if_chain"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "im-rc"
-version = "14.1.0"
+version = "14.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitmaps 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -267,10 +156,10 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "1.3.0"
+version = "1.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "autocfg 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -289,52 +178,11 @@ dependencies = [
  "num-traits 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "jemalloc-ctl"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "jemalloc-sys 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
- "paste 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "jemalloc-sys"
-version = "0.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "cc 1.0.50 (registry+https://github.com/rust-lang/crates.io-index)",
- "fs_extra 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "jemallocator"
-version = "0.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "jemalloc-sys 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "lexical-core"
-version = "0.4.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "arrayvec 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "ryu 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "static_assertions 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "libc"
 version = "0.2.66"
@@ -355,11 +203,6 @@ name = "maplit"
 version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "matches"
-version = "0.1.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "matrixmultiply"
 version = "0.2.3"
@@ -368,41 +211,11 @@ dependencies = [
  "rawpointer 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "maybe-uninit"
-version = "2.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "memchr"
 version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "modtype"
-version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "modtype_derive 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "num 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "num-bigint 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "num-integer 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "modtype_derive"
-version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "heck 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "if_chain 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "maplit 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.44 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "nalgebra"
 version = "0.19.0"
@@ -433,27 +246,12 @@ dependencies = [
  "rawpointer 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "nodrop"
-version = "0.1.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "nom"
-version = "5.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "lexical-core 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "memchr 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "num"
 version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "num-bigint 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-bigint 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-complex 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-integer 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-iter 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -463,7 +261,7 @@ dependencies = [
 
 [[package]]
 name = "num-bigint"
-version = "0.2.5"
+version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "autocfg 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -485,9 +283,9 @@ name = "num-derive"
 version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.14 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -515,7 +313,7 @@ version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "autocfg 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "num-bigint 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-bigint 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-integer 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -536,26 +334,6 @@ dependencies = [
  "num-traits 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "paste"
-version = "0.1.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "paste-impl 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "proc-macro-hack 0.5.11 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "paste-impl"
-version = "0.1.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "proc-macro-hack 0.5.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "proc-macro2 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "permutohedron"
 version = "0.2.4"
@@ -567,7 +345,7 @@ version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "fixedbitset 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "indexmap 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "indexmap 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -575,58 +353,6 @@ name = "ppv-lite86"
 version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "primal"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "primal-check 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "primal-estimate 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "primal-sieve 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "primal-bit"
-version = "0.2.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "hamming 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "primal-check"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "num-integer 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "primal-estimate"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "primal-sieve"
-version = "0.2.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "hamming 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "primal-bit 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "primal-estimate 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "proc-macro-hack"
-version = "0.5.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "proc-macro2 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "proc-macro2"
 version = "0.4.30"
@@ -637,7 +363,7 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.7"
+version = "1.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -645,7 +371,7 @@ dependencies = [
 
 [[package]]
 name = "proconio"
-version = "0.3.4"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -675,25 +401,7 @@ name = "quote"
 version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "rand"
-version = "0.6.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_chacha 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_core 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_hc 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_isaac 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_jitter 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_os 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_pcg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_xorshift 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -709,15 +417,6 @@ dependencies = [
  "rand_pcg 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "rand_chacha"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "rand_chacha"
 version = "0.2.1"
@@ -727,19 +426,6 @@ dependencies = [
  "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "rand_core"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "rand_core 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "rand_core"
-version = "0.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "rand_core"
 version = "0.5.1"
@@ -756,14 +442,6 @@ dependencies = [
  "rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "rand_hc"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "rand_hc"
 version = "0.2.0"
@@ -772,46 +450,6 @@ dependencies = [
  "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "rand_isaac"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "rand_jitter"
-version = "0.1.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_core 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "rand_os"
-version = "0.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "fuchsia-cprng 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_core 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "rdrand 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "rand_pcg"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_core 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "rand_pcg"
 version = "0.2.1"
@@ -820,14 +458,6 @@ dependencies = [
  "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "rand_xorshift"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "rand_xoshiro"
 version = "0.4.0"
@@ -841,14 +471,6 @@ name = "rawpointer"
 version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "rdrand"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "regex"
 version = "1.3.3"
@@ -857,7 +479,7 @@ dependencies = [
  "aho-corasick 0.7.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "memchr 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex-syntax 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "thread_local 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "thread_local 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -873,32 +495,6 @@ dependencies = [
  "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "rustc_version"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "ryu"
-version = "1.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
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 [[package]]
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@@ -908,29 +504,11 @@ dependencies = [
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 ]
 
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 [[package]]
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@@ -948,27 +526,22 @@ dependencies = [
 
 [[package]]
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 dependencies = [
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 [[package]]
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 [[package]]
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 dependencies = [
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@@ -979,11 +552,6 @@ name = "typenum"
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-[[package]]
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@@ -994,16 +562,6 @@ name = "unicode-xid"
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@@ -1019,79 +577,36 @@ name = "whiteread"
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 "checksum proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)" = "cf3d2011ab5c909338f7887f4fc896d35932e29146c12c8d01da6b22a80ba759"
-"checksum proc-macro2 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)" = "0319972dcae462681daf4da1adeeaa066e3ebd29c69be96c6abb1259d2ee2bcc"
-"checksum proconio 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "f52d77f4e38736cf6e74cf5cb9bcc5da999d5823d01523395f25a9b80a81d517"
+"checksum proc-macro2 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)" = "3acb317c6ff86a4e579dfa00fc5e6cca91ecbb4e7eb2df0468805b674eb88548"
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 "checksum proconio-derive 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "cbe4b8993fb10674fbc95383266dbb57608642c389134495e5f485a54d19fe3f"
 "checksum quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)" = "6ce23b6b870e8f94f81fb0a363d65d86675884b34a09043c81e5562f11c1f8e1"
 "checksum quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "053a8c8bcc71fcce321828dc897a98ab9760bef03a4fc36693c231e5b3216cfe"
-"checksum rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)" = "6d71dacdc3c88c1fde3885a3be3fbab9f35724e6ce99467f7d9c5026132184ca"
 "checksum rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)" = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
-"checksum rand_chacha 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "556d3a1ca6600bfcbab7c7c91ccb085ac7fbbcd70e008a98742e7847f4f7bcef"
 "checksum rand_chacha 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "03a2a90da8c7523f554344f921aa97283eadf6ac484a6d2a7d0212fa7f8d6853"
-"checksum rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7a6fdeb83b075e8266dcc8762c22776f6877a63111121f5f8c7411e5be7eed4b"
-"checksum rand_core 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "9c33a3c44ca05fa6f1807d8e6743f3824e8509beca625669633be0acbdf509dc"
 "checksum rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
 "checksum rand_distr 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "96977acbdd3a6576fb1d27391900035bf3863d4a16422973a409b488cf29ffb2"
-"checksum rand_hc 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7b40677c7be09ae76218dc623efbf7b18e34bced3f38883af07bb75630a21bc4"
 "checksum rand_hc 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c"
-"checksum rand_isaac 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "ded997c9d5f13925be2a6fd7e66bf1872597f759fd9dd93513dd7e92e5a5ee08"
-"checksum rand_jitter 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "1166d5c91dc97b88d1decc3285bb0a99ed84b05cfd0bc2341bdf2d43fc41e39b"
-"checksum rand_os 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "7b75f676a1e053fc562eafbb47838d67c84801e38fc1ba459e8f180deabd5071"
-"checksum rand_pcg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "abf9b09b01790cfe0364f52bf32995ea3c39f4d2dd011eac241d2914146d0b44"
 "checksum rand_pcg 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "16abd0c1b639e9eb4d7c50c0b8100b0d0f849be2349829c740fe8e6eb4816429"
-"checksum rand_xorshift 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "cbf7e9e623549b0e21f6e97cf8ecf247c1a8fd2e8a992ae265314300b2455d5c"
 "checksum rand_xoshiro 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a9fcdd2e881d02f1d9390ae47ad8e5696a9e4be7b547a1da2afbc61973217004"
 "checksum rawpointer 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "60a357793950651c4ed0f3f52338f53b2f809f32d83a07f72909fa13e4c6c1e3"
-"checksum rdrand 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "678054eb77286b51581ba43620cc911abf02758c91f93f479767aed0f90458b2"
 "checksum regex 1.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "b5508c1941e4e7cb19965abef075d35a9a8b5cdf0846f30b4050e9b55dc55e87"
 "checksum regex-syntax 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)" = "e734e891f5b408a29efbf8309e656876276f49ab6a6ac208600b4419bd893d90"
 "checksum rustc-hash 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7540fc8b0c49f096ee9c961cda096467dce8084bec6bdca2fc83895fd9b28cb8"
-"checksum rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
-"checksum ryu 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "bfa8506c1de11c9c4e4c38863ccbe02a305c8188e85a05a784c9e11e1c3910c8"
-"checksum semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
-"checksum semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
 "checksum sized-chunks 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "6f59f81ec9833a580d2448e958d16bd872637798f3ab300b693c48f136fb76ff"
-"checksum smallvec 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)" = "f7b0758c52e15a8b5e3691eae6cc559f08eee9406e548a4477ba4e67770a82b6"
 "checksum smallvec 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "44e59e0c9fa00817912ae6e4e6e3c4fe04455e75699d06eedc7d85917ed8e8f4"
-"checksum static_assertions 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "7f3eb36b47e512f8f1c9e3d10c2c1965bc992bd9cdb024fa581e2194501c83d3"
-"checksum strsim 0.9.3 (registry+https://github.com/rust-lang/crates.io-index)" = "6446ced80d6c486436db5c078dde11a9f73d42b57fb273121e160b84f63d894c"
 "checksum superslice 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ab16ced94dbd8a46c82fd81e3ed9a8727dac2977ea869d217bcc4ea1f122e81f"
 "checksum syn 0.15.44 (registry+https://github.com/rust-lang/crates.io-index)" = "9ca4b3b69a77cbe1ffc9e198781b7acb0c7365a883670e8f1c1bc66fba79a5c5"
-"checksum syn 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)" = "1e4ff033220a41d1a57d8125eab57bf5263783dfdcc18688b1dacc6ce9651ef8"
-"checksum take_mut 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f764005d11ee5f36500a149ace24e00e3da98b0158b3e2d53a7495660d3f4d60"
-"checksum text_io 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "9658b61ebd1d2a40c276ba2335890b9eb6550b67458a6fbce2022e58c3350a50"
-"checksum thread_local 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "88ddf1ad580c7e3d1efff877d972bcc93f995556b9087a5a259630985c88ceab"
+"checksum syn 1.0.14 (registry+https://github.com/rust-lang/crates.io-index)" = "af6f3550d8dff9ef7dc34d384ac6f107e5d31c8f57d9f28e0081503f547ac8f5"
+"checksum text_io 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "6cb170b4f47dc48835fbc56259c12d8963e542b05a24be2e3a1f5a6c320fd2d4"
+"checksum thread_local 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d40c6d1b69745a6ec6fb1ca717914848da4b44ae29d9b3080cbee91d72a69b14"
 "checksum typenum 1.11.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6d2783fe2d6b8c1101136184eb41be8b1ad379e4657050b8aaff0c79ee7575f9"
-"checksum unicode-segmentation 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e83e153d1053cbb5a118eeff7fd5be06ed99153f00dbcd8ae310c5fb2b22edc0"
 "checksum unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
 "checksum unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "826e7639553986605ec5979c7dd957c7895e93eabed50ab2ffa7f6128a75097c"
-"checksum union-find 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "ded8a2ba8917ff7a977a446770a8c3bfec18e147b5617b41fd8aae703d8c6720"
-"checksum version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "914b1a6776c4c929a602fafd8bc742e06365d4bcbe48c30f9cca5824f70dc9dd"
 "checksum version_check 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)" = "078775d0255232fb988e6fccf26ddc9d1ac274299aaedcedce21c6f72cc533ce"
 "checksum wasi 0.9.0+wasi-snapshot-preview1 (registry+https://github.com/rust-lang/crates.io-index)" = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
 "checksum whiteread 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8bc25de0a968755322a6b517a7257df7ec3216ed7907b8fc064906542f9714b3"
-"checksum winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)" = "8093091eeb260906a183e6ae1abdba2ef5ef2257a21801128899c3fc699229c6"
-"checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
-"checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
diff --git a/Cargo.toml b/Cargo.toml
index 0f6ef70..8e1a38f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,16 +16,12 @@ exclude = ["./tools"]
 name = "main"
 path = "src/main.rs"
 
-[features]
-jemalloc = ["jemalloc-ctl", "jemallocator"]
-default = ["jemalloc"]
-
 [dependencies]
 # AtCoder 2019年言語アップデート以降に使用できるクレート
 
 # 多バイト長整数、分数、複素数など
 num = "=0.2.1"
-num-bigint = "=0.2.5"
+num-bigint = "=0.2.6"
 num-complex = "=0.2.4"
 num-integer = "=0.1.42"
 num-iter = "=0.1.40"
@@ -57,36 +53,15 @@ rand_distr = "=0.2.2"
 # グラフ
 petgraph = "=0.5.0"
 
-# 幾何
-euclid = "=0.20.7"
-
-# 素数
-primal = "=0.2.3"
-primal-check = "=0.2.3"
-primal-estimate = "=0.2.1"
-primal-sieve = "=0.2.9"
-
 # 挿入順を保持するhash table
-indexmap = "=1.3.0"
+indexmap = "=1.3.1"
 
 # 正規表現
 regex = "=1.3.3"
 
-# パーサーコンビネータ
-nom = "=5.1.0"
-
-# Aho–Corasick
-aho-corasick = "=0.7.6"
-
-# string similarity metrics
-strsim = "=0.9.3"
-
 # staticアイテムの遅延初期化
 lazy_static = "=1.4.0"
 
-# 浮動点小数の比較
-approx = "=0.3.2"
-
 # f64のOrd/Eq実装
 ordered-float = "=1.0.2"
 
@@ -104,67 +79,32 @@ superslice = "=1.0.0"
 itertools = "=0.8.2"
 itertools-num = "=0.1.3"
 
-# `&mut T`から`T`を『借りる』
-take_mut = "=0.2.2"
-
-# 1行で書ける`macro_rules`
-defmac = "=0.2.1"
-
-# パターンを`bool`式に
-matches = "=0.1.8"
-
-# `if`と`if let`を『まとめる』マクロ`if_chain!`
-if_chain = "=1.0.0"
-
 # `hashmap!`, `hashset!`, `btreemap!`, `btreeset!`
 maplit = "=1.0.2"
 
-# `std`のトレイトに対応するderive macro
-derive_more = "=0.99.2"
-
-# メソッド`new`を生やすderive macro
-derive-new = "=0.5.8"
-
 # 即席enum `Either<L, R>`
 either = "=1.5.3"
 
 # 標準ライブラリのVecやHashMapに対応する永続データ構造
 # 永続データ構造は関数型言語によく見られるデータ構造で、要素を更新しても、そのデータ構造の
 # 以前のバージョンにアクセスできる。（更新の度に差分が記録されていくイメージ）
-im-rc = "=14.1.0"
+im-rc = "=14.2.0"
 
 # 可変長bit set。
 fixedbitset = "=0.2.0"
 bitset-fixed = "=0.1.0"
 
-# union-find (a.k.a. disjoint-set)
-union-find = "=0.3.2"
-
 # 競技プログラミングの入出力サポート
-proconio = { version = "=0.3.4", features = ["derive"] }
-text_io = "=0.1.7"
+proconio = { version = "=0.3.5", features = ["derive"] }
+text_io = "=0.1.8"
 whiteread = "=0.5.0"
 
-# 剰余関連。普通の整数型などと同じ感覚で扱うだけで自動的にmodを取ってくれる
-# 答えの整数をMで割った余りが要求される設問で便利
-modtype = "=0.7.0"
-
 # 高速なハッシュ関数
 rustc-hash = "=1.0.1"
 
 # 固定配列上のベクタ。ヒープ領域でなくスタック領域にアロケートされるので高速かもしれない
 smallvec = "=1.1.0"
 
-# 代替ヒープアロケータ。条件によってはシステムアロケータより速いことも
-[target.'cfg(not(windows))'.dependencies]
-jemallocator = { version = "=0.3.2", optional = true }
-jemalloc-ctl = { version = "=0.3.3", optional = true }
-
-[[test]]
-name = "jemallocator"
-path = "tests/test_jemallocator.rs"
-required-features = ["jemalloc"]
-
 # ---------------------------------------------------------------------
 
 [dev-dependencies]
diff --git a/README.md b/README.md
index b01592d..d026fbf 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,7 @@
 **TODO** もう少し詳しく書く
 
 - AtCoder 2019年言語アップデート後の環境向け
-- Rust 1.39.0
+- Rust 1.40.0
 - AtCoderジャッジサーバ環境の構築用
 
 
diff --git a/cargo-generate.toml b/cargo-generate.toml
index 1034944..1f36dc5 100644
--- a/cargo-generate.toml
+++ b/cargo-generate.toml
@@ -1,2 +1,2 @@
 [template]
-exclude = [".github", ".cargo", "dep-tests"]
+exclude = [".github/workflows/ci.yml", ".cargo/config", "dep-tests.toml", "tools/**/*"]
diff --git a/examples/abc057-b-text-io.rs b/examples/abc057-b-text-io.rs
index 2f22337..e46bfe2 100644
--- a/examples/abc057-b-text-io.rs
+++ b/examples/abc057-b-text-io.rs
@@ -1,8 +1,6 @@
 // https://atcoder.jp/contests/abc057/tasks/abc057_b
 
-#![allow(clippy::many_single_char_names, clippy::try_err)]
-
-use text_io::{read, try_read, try_scan};
+use text_io::read;
 
 fn main() {
     let n: usize = read!();
diff --git a/examples/abc073-d.rs b/examples/abc073-d.rs
index 5f3d456..02d94aa 100644
--- a/examples/abc073-d.rs
+++ b/examples/abc073-d.rs
@@ -13,7 +13,7 @@ use std::ops::Sub;
 
 fn main() {
     input! {
-        _n: usize,
+        _: usize,
         m: usize,
         r: usize,
         rs: [NodeIndex1<u32>; r],
diff --git a/examples/abc118-b-proconio.rs b/examples/abc118-b-proconio.rs
index 722a1e4..c00d359 100644
--- a/examples/abc118-b-proconio.rs
+++ b/examples/abc118-b-proconio.rs
@@ -8,7 +8,7 @@ use std::ops::{BitAnd, BitOr};
 fn main() {
     input! {
         n: usize,
-        _m: usize,
+        _: usize,
         a: [[Usize1]; n],
     }
 
diff --git a/examples/abc118-b-text-io.rs b/examples/abc118-b-text-io.rs
index 2cef31d..66c5958 100644
--- a/examples/abc118-b-text-io.rs
+++ b/examples/abc118-b-text-io.rs
@@ -1,10 +1,9 @@
 // https://atcoder.jp/contests/abc118/tasks/abc118_b
 
-use text_io::{read, try_read, try_scan};
+use text_io::read;
 
 use std::ops::{BitAnd, BitOr};
 
-#[allow(clippy::try_err)]
 fn main() {
     let (n, _): (usize, usize) = (read!(), read!());
     let a = (0..n)
diff --git a/examples/abc121-b-text-io.rs b/examples/abc121-b-text-io.rs
index 3c7ab2d..81effa6 100644
--- a/examples/abc121-b-text-io.rs
+++ b/examples/abc121-b-text-io.rs
@@ -1,8 +1,8 @@
 // https://atcoder.jp/contests/abc121/tasks/abc121_b
 
-use text_io::{read, try_read, try_scan};
+use text_io::read;
 
-#[allow(clippy::many_single_char_names, clippy::try_err)]
+#[allow(clippy::many_single_char_names)]
 fn main() {
     let (n, m, c): (usize, usize, i32) = (read!(), read!(), read!());
     let b = (0..m).map(|_| read!()).collect::<Vec<i32>>();
diff --git a/examples/abc129-f.rs b/examples/abc129-f.rs
index 53e5d8b..15fead2 100644
--- a/examples/abc129-f.rs
+++ b/examples/abc129-f.rs
@@ -16,7 +16,7 @@ fn main() {
         l: u64,
         a: u64,
         b: u64,
-        _m: Mod,
+        (): Mod,
     }
 
     let count = |d| -> _ {
diff --git a/examples/abc151-d.rs b/examples/abc151-d.rs
index a5a0e75..735b354 100644
--- a/examples/abc151-d.rs
+++ b/examples/abc151-d.rs
@@ -46,7 +46,7 @@ fn main() {
                         .iter()
                         .flat_map(|&p| &neighbors[p])
                         .copied()
-                        .filter(|&p| mem::replace(&mut unvisited[p], false))
+                        .filter(|&p| mem::take(&mut unvisited[p]))
                         .collect();
                     !queue.is_empty()
                 })
diff --git a/examples/practice-a-text-io.rs b/examples/practice-a-text-io.rs
index cc39bde..e7ec952 100644
--- a/examples/practice-a-text-io.rs
+++ b/examples/practice-a-text-io.rs
@@ -1,8 +1,7 @@
 // https://atcoder.jp/contests/practice/tasks/practice_1
 
-use text_io::{read, try_read, try_scan};
+use text_io::read;
 
-#[allow(clippy::many_single_char_names, clippy::try_err)]
 fn main() {
     let (a, b, c, s): (u32, u32, u32, String) = (read!(), read!(), read!(), read!());
 
diff --git a/examples/practice-b-text-io.rs b/examples/practice-b-text-io.rs
index df3960e..d3b2514 100644
--- a/examples/practice-b-text-io.rs
+++ b/examples/practice-b-text-io.rs
@@ -1,11 +1,10 @@
 // https://atcoder.jp/contests/practice/tasks/practice_2
 
 use maplit::hashset;
-use text_io::{read, try_read, try_scan};
+use text_io::read;
 
 use std::{io, str};
 
-#[allow(clippy::try_err)]
 fn main() {
     fn read_line() -> String {
         let mut input = "".to_owned();
diff --git a/rust-toolchain b/rust-toolchain
index 5edffce..32b7211 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1 +1 @@
-1.39.0
+1.40.0
diff --git a/src/main.rs b/src/main.rs
index b4f212c..11a3a94 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -5,7 +5,6 @@ type UnitResult = Result<(), Box<dyn std::error::Error>>;
 fn main() -> UnitResult {
     run_proconio();
     run_ordered_float();
-    run_modtype()?;
     run_ascii()?;
     run_bitset_fixed();
     run_permutohedron();
@@ -110,114 +109,6 @@ fn test_ordered_float() {
     run_ordered_float();
 }
 
-// modtype
-fn run_modtype() -> UnitResult {
-    use modtype::cartridges::{Additive, AllowFlexibleRhs, Field, ManuallyAdjust, Multiplicative};
-    use modtype::{use_modtype, Cartridge, ConstValue};
-    use num::{BigInt, BigRational, CheckedDiv as _};
-
-    use std::marker::PhantomData;
-
-    {
-        #[use_modtype]
-        type F = modtype::F<1_000_000_007u64>;
-
-        assert_eq!((F(1_000_000_006) + F(2)).to_string(), "1");
-    }
-    {
-        #[allow(non_snake_case)]
-        modtype::thread_local::F::with(1_000_000_007u64, |F| {
-            assert_eq!((F(1_000_000_006) + F(2)).to_string(), "1");
-        });
-    }
-    {
-        #[allow(non_snake_case)]
-        let F = modtype::non_static::F::factory(1_000_000_007u64);
-
-        assert_eq!((F(1_000_000_006) + F(2)).to_string(), "1");
-    }
-    {
-        #[use_modtype]
-        type F = modtype::ModType<AllowFlexibleRhs<Field<u64>>, 1_000_000_007u64>;
-
-        let mut x = F(1);
-        x += F(1);
-        x += 1u64;
-        x += 1i32;
-        x += 1f64;
-        x += BigInt::from(1u32);
-        x += BigRational::new(BigInt::from(1u32), BigInt::from(1u32));
-        assert_eq!(x, F(7));
-    }
-    {
-        #[use_modtype]
-        type Z = modtype::ModType<Multiplicative<u32>, 57u32>;
-
-        assert_eq!(Z(56) * Z(56), Z(1));
-        assert_eq!(Z(1).checked_div(&Z(13)), Some(Z(22))); // 13・22 ≡ 1 (mod 57)
-    }
-    {
-        #[use_modtype]
-        type Z = modtype::ModType<Additive<u64>, 1_000_000_007u64>;
-
-        let mut x = Z(1_000_000_006);
-
-        x += Z(1);
-        assert_eq!(*x.get_mut_unchecked(), 1_000_000_007);
-
-        x += Z(u64::max_value() / 2 - 1_000_000_007);
-        assert_eq!(*x.get_mut_unchecked(), u64::max_value() / 2);
-
-        x += Z(1);
-        assert_eq!(
-            *x.get_mut_unchecked(),
-            (u64::max_value() / 2 + 1) % 1_000_000_007,
-        );
-    }
-    {
-        #[use_modtype]
-        type Z = modtype::ModType<ManuallyAdjust<u64>, 1_000_000_007u64>;
-
-        let mut x = Z(1_000_000_006);
-
-        x += Z(u64::max_value() - 1_000_000_006);
-        assert_eq!(*x.get_mut_unchecked(), u64::max_value());
-
-        x.adjust();
-        assert_eq!(*x.get_mut_unchecked(), u64::max_value() % 1_000_000_007);
-    }
-    {
-        #[rustfmt::skip] // https://github.com/rust-lang/rustfmt/issues/3673
-        #[derive(modtype::ModType)]
-        #[modtype(modulus = "M::VALUE", cartridge = "C")]
-        struct ModType<C: Cartridge<Target = u64>, M: ConstValue<Value = u64>> {
-            #[modtype(value)]
-            value: u64,
-            phantom: PhantomData<fn() -> (C, M)>,
-        }
-
-        impl<M: ConstValue<Value = u64>> ModType<Field<u64>, M> {
-            fn new(value: u64) -> Self {
-                Self {
-                    value,
-                    phantom: PhantomData,
-                }
-            }
-        }
-
-        #[use_modtype]
-        type F = ModType<Field<u64>, 1_000_000_007u64>;
-
-        assert_eq!((-F(1)).to_string(), "1000000006");
-    }
-    Ok(())
-}
-
-#[test]
-fn test_modtype() -> UnitResult {
-    run_modtype()
-}
-
 // ascii
 fn run_ascii() -> UnitResult {
     use ascii::AsciiString;
diff --git a/tests/defmac.rs b/tests/defmac.rs
deleted file mode 100644
index 617410e..0000000
--- a/tests/defmac.rs
+++ /dev/null
@@ -1,9 +0,0 @@
-use defmac::defmac; // 2018 edition style
-
-#[test]
-fn incr() {
-    let mut acc = 0;
-    defmac!(incr => acc += 1);
-    incr!();
-    assert_eq!(acc, 1);
-}
diff --git a/tests/test_jemallocator.rs b/tests/test_jemallocator.rs
deleted file mode 100644
index 63ab9ba..0000000
--- a/tests/test_jemallocator.rs
+++ /dev/null
@@ -1,65 +0,0 @@
-// -*- coding:utf-8-unix -*-
-
-use jemalloc_ctl;
-use jemallocator;
-
-#[global_allocator]
-static ALLOC: jemallocator::Jemalloc = jemallocator::Jemalloc;
-
-type UnitResult = Result<(), Box<dyn std::error::Error>>;
-
-fn main() -> UnitResult {
-    do_allocate_heap()
-}
-
-#[test]
-fn test_jemallocator() -> UnitResult {
-    do_allocate_heap()
-}
-
-fn do_allocate_heap() -> UnitResult {
-    use jemalloc_ctl::{epoch, stats};
-    use rand::prelude::*;
-
-    const SIZE: usize = 100_000;
-
-    let mut rng = SmallRng::from_rng(thread_rng())?;
-
-    let v = (&mut rng)
-        .sample_iter(&rand::distributions::Standard)
-        .take(SIZE)
-        .collect::<Vec<usize>>();
-    let v_byte_size = v.len() * std::mem::size_of::<usize>();
-
-    // many statistics are cached and only updated when the epoch is advanced.
-    epoch::advance().map_err(stringify)?;
-    let allocated = stats::allocated::read().map_err(stringify)?;
-    let resident = stats::resident::read().map_err(stringify)?;
-    println!(
-        "{} bytes used by a Vec<uzize> with len {}.",
-        v_byte_size,
-        v.len()
-    );
-    println!(
-        "{} bytes allocated/{} bytes resident using jemalloc",
-        allocated, resident
-    );
-
-    assert!(
-        allocated >= v_byte_size,
-        "allocated size ({} bytes) is smaller than the vector size ({} bytes).",
-        allocated,
-        v_byte_size,
-    );
-
-    // to prevent the compiler to optimize the vec out, read its value at
-    // a random location.
-    let i = rng.gen_range(0, SIZE);
-    println!("v[{}] = {}", i, v[i]);
-
-    Ok(())
-}
-
-fn stringify(x: impl ToString) -> String {
-    x.to_string()
-}
diff --git a/tools/dep-tests/Cargo.toml b/tools/dep-tests/Cargo.toml
deleted file mode 100644
index 1f0d542..0000000
--- a/tools/dep-tests/Cargo.toml
+++ /dev/null
@@ -1,20 +0,0 @@
-[package]
-name = "dep-tests"
-version = "0.0.0"
-authors = []
-edition = "2018"
-description = "Run all of the tests in the dependency graph."
-publish = false
-
-[dependencies]
-cargo = "0.40.0"
-either = "1.5.3"
-failure = "0.1.6"
-fs_extra = "1.1.0"
-itertools = "0.8.2"
-maplit = "1.0.2"
-once_cell = "1.2.0"
-serde = { version = "1.0.103", features = ["derive"] }
-structopt = "0.3.5"
-toml = "0.5.5"
-toml_edit = "0.1.5"
diff --git a/tools/dep-tests/src/main.rs b/tools/dep-tests/src/main.rs
deleted file mode 100644
index 3d53718..0000000
--- a/tools/dep-tests/src/main.rs
+++ /dev/null
@@ -1,484 +0,0 @@
-use cargo::core::compiler::{self, CompileMode, TargetInfo};
-use cargo::core::dependency::{self, Dependency};
-use cargo::core::package::{Package, PackageSet};
-use cargo::core::resolver::ResolveOpts;
-use cargo::core::shell::{Shell, Verbosity};
-use cargo::core::{PackageIdSpec, Resolve, Workspace};
-use cargo::ops::{CompileFilter, CompileOptions, FilterRule, LibRule, Packages, TestOptions};
-use cargo::util::command_prelude::{App, AppExt as _, AppSettings, ArgMatchesExt as _};
-use cargo::{CliError, CliResult};
-use either::Either;
-use failure::{format_err, Fail as _, Fallible};
-use itertools::Itertools as _;
-use maplit::btreeset;
-use once_cell::sync::Lazy;
-use serde::Deserialize;
-use structopt::StructOpt;
-
-use std::borrow::Borrow;
-use std::collections::{BTreeMap, BTreeSet, HashMap, HashSet};
-use std::env;
-use std::fmt::Display;
-use std::num::NonZeroUsize;
-use std::path::{Path, PathBuf};
-use std::process::ExitStatus;
-
-static MANIFEST_PATH: &str = "./Cargo.toml";
-static CONFIG_PATH: &str = "./dep-tests.toml";
-
-fn main() {
-    debug_assert_eq!(
-        env::current_dir()
-            .ok()
-            .and_then(|d| d.file_name()?.to_str().map(ToOwned::to_owned)),
-        Some("atcoder-rust-base".to_owned()),
-        "The cwd should be \"atcoder-rust-base\"",
-    );
-
-    let matches = Opt::clap()
-        .get_matches_safe()
-        .unwrap_or_else(|e| cargo::exit_with_error(e.into(), &mut Shell::new()));
-    let opt = Opt::from_clap(&matches);
-
-    let mut config = cargo::Config::default()
-        .unwrap_or_else(|e| cargo::exit_with_error(e.into(), &mut Shell::new()));
-
-    if let Err(err) = opt.run(&mut config) {
-        cargo::exit_with_error(err, &mut config.shell());
-    }
-}
-
-#[derive(StructOpt, Debug)]
-#[structopt(about, setting(AppSettings::DeriveDisplayOrder))]
-struct Opt {
-    #[structopt(long, help("Activate all available features"))]
-    all_features: bool,
-    #[structopt(long, help("Do not activate the `default` feature"))]
-    no_default_features: bool,
-    #[structopt(long, help("Require Cargo.lock and cache are up to date"))]
-    frozen: bool,
-    #[structopt(long, help("Require Cargo.lock is up to date"))]
-    locked: bool,
-    #[structopt(long, help("Run without accessing the network"))]
-    offline: bool,
-    #[structopt(
-        short,
-        long,
-        value_name("SPEC"),
-        number_of_values(1),
-        parse(try_from_str = PackageIdSpec::parse),
-        help("Package to run test for")
-    )]
-    package: Vec<PackageIdSpec>,
-    #[structopt(
-        long,
-        value_name("FEATURES"),
-        min_values(1),
-        help("Space-separated list of features to activate")
-    )]
-    features: Vec<String>,
-    #[structopt(long, value_name("WHEN"), help("Coloring: auto, always, never"))]
-    color: Option<String>,
-    #[structopt(
-        short,
-        long,
-        value_name("N"),
-        help("How deep in the dependency chain to search")
-    )]
-    depth: Option<NonZeroUsize>,
-    #[structopt(
-        default_value_os({
-            static DEFAULT: Lazy<PathBuf> =
-                Lazy::new(|| env::temp_dir().join("atcoder-rust-base-dep-tests"));
-            DEFAULT.as_ref()
-        }),
-        help("Directory to run tests")
-    )]
-    dir: PathBuf,
-}
-
-impl Opt {
-    fn run(&self, config: &mut cargo::Config) -> CliResult {
-        config.configure(
-            0,
-            None,
-            &self.color,
-            self.frozen,
-            self.locked,
-            self.offline,
-            &None,
-            &[],
-        )?;
-
-        let DepTestsConfig { exclude, filter } = DepTestsConfig::load(config)?;
-
-        let ws = Workspace::new(&config.cwd().join(MANIFEST_PATH), config)?;
-
-        let (packages, resolve) = cargo::ops::resolve_ws_with_opts(
-            &ws,
-            ResolveOpts::new(
-                true,
-                &self.features,
-                self.all_features,
-                self.no_default_features,
-            ),
-            &Packages::Default.to_package_id_specs(&ws)?,
-        )?;
-
-        let dev_pkgs = filter_packages(&ws, &packages, &resolve, None, |_| true)?;
-        let (dev_deps_free_pkgs, target_pkgs) =
-            filter_packages(&ws, &packages, &resolve, self.depth, |d| {
-                d.kind() == dependency::Kind::Normal
-            })?
-            .iter()
-            .copied()
-            .filter(|pkg| {
-                let (id, include) = (pkg.package_id(), &self.package);
-                include.iter().any(|s| s.matches(id))
-                    || include.is_empty() && !exclude.iter().any(|s| s.matches(id))
-            })
-            .partition(|pkg| pkg.dependencies().iter().all(|d| d.is_transitive()));
-
-        let new_ws = setup_workspace(config, &self.dir, &dev_pkgs, &target_pkgs, &resolve)?;
-
-        run_tests(&ws, dev_deps_free_pkgs, &filter)?;
-        run_tests(&new_ws, new_ws.members(), &filter)?;
-        config.shell().info("Successful!").map_err(Into::into)
-    }
-}
-
-fn filter_packages<'a>(
-    ws: &'a Workspace,
-    packages: &'a PackageSet,
-    resolve: &Resolve,
-    depth: Option<NonZeroUsize>,
-    extra_pred: fn(&Dependency) -> bool,
-) -> Fallible<BTreeSet<&'a Package>> {
-    let rustc = ws.config().load_global_rustc(Some(&ws))?;
-    let host_triple = &rustc.host;
-    let target_info = TargetInfo::new(
-        ws.config(),
-        &Some(host_triple.clone()),
-        &rustc,
-        compiler::Kind::Host,
-    )?;
-
-    let mut outcome = btreeset!(ws.current()?);
-    let mut cur = outcome.clone();
-    let mut depth = depth.map(NonZeroUsize::get);
-    while !cur.is_empty() && depth.map_or(true, |d| d > 0) {
-        let mut next = btreeset!();
-        for from in cur {
-            for (to, deps) in resolve.deps(from.package_id()) {
-                let to = packages.get_one(to)?;
-                for dep in deps {
-                    if dep
-                        .platform()
-                        .as_ref()
-                        .map_or(true, |p| p.matches(host_triple, target_info.cfg()))
-                        && extra_pred(dep)
-                        && outcome.insert(to)
-                    {
-                        next.insert(to);
-                    }
-                }
-            }
-        }
-        cur = next;
-        depth = depth.map(|d| d - 1);
-    }
-    for member in ws.members() {
-        outcome.remove(member);
-    }
-    Ok(outcome)
-}
-
-fn setup_workspace<'cfg>(
-    config: &'cfg cargo::Config,
-    root: &Path,
-    pkgs_to_build: &BTreeSet<&Package>,
-    pkgs_to_test: &BTreeSet<&Package>,
-    resolve: &Resolve,
-) -> Fallible<Workspace<'cfg>> {
-    let deps = pkgs_to_build
-        .iter()
-        .map(|dep| {
-            let path_or_version = if pkgs_to_test.contains(dep) {
-                let src = dep.root();
-                let dst = root.join(src.file_name().unwrap_or_default());
-                let dst = cargo::util::paths::normalize_path(&if dst.is_relative() {
-                    config.cwd().join(dst)
-                } else {
-                    dst
-                });
-
-                config
-                    .shell()
-                    .info(format!("Copying {} to {}", src.display(), dst.display()))?;
-
-                fs_extra::dir::copy(
-                    src,
-                    &dst,
-                    &fs_extra::dir::CopyOptions {
-                        skip_exist: true,
-                        copy_inside: true,
-                        ..fs_extra::dir::CopyOptions::new()
-                    },
-                )?;
-
-                Either::Left(format!(
-                    "./{}",
-                    dst.file_name()
-                        .unwrap_or_default()
-                        .to_str()
-                        .expect("the directory names should be <name>-<version>")
-                ))
-            } else {
-                Either::Right(dep.package_id().version())
-            };
-            let features = resolve.features_sorted(dep.package_id());
-            Ok((dep.package_id(), (path_or_version, features)))
-        })
-        .collect::<Fallible<BTreeMap<_, _>>>()?;
-
-    for (path_or_version, _) in deps.values() {
-        if let Either::Left(path) = path_or_version {
-            let manifest_path = root.join(path).join("Cargo.toml");
-            let manifest_path = cargo::util::paths::normalize_path(&manifest_path);
-            let mut cargo_toml =
-                cargo::util::paths::read(&manifest_path)?.parse::<toml_edit::Document>()?;
-            cargo_toml.as_table_mut().remove("profile");
-            cargo::util::paths::write(&manifest_path, cargo_toml.to_string().as_ref())?;
-            config
-                .shell()
-                .info(format!("Modified {}", manifest_path.display()))?;
-        }
-    }
-
-    let src = cargo::util::paths::normalize_path(&config.cwd().join("Cargo.lock"));
-    let dst = root.join("Cargo.lock");
-
-    config
-        .shell()
-        .info(&format!("Copying {} to {}", src.display(), dst.display()))?;
-
-    fs_extra::file::copy(
-        src,
-        dst,
-        &fs_extra::file::CopyOptions {
-            overwrite: true,
-            ..fs_extra::file::CopyOptions::new()
-        },
-    )?;
-
-    let mut cargo_toml = r#"[package]
-name = "atcoder-rust-base-dep-tests"
-version = "0.0.0"
-edition = "2018"
-publish = false
-
-[workspace]
-members = []
-
-[patch.crates-io]
-"#
-    .parse::<toml_edit::Document>()
-    .unwrap();
-
-    cargo_toml["workspace"]["members"] = {
-        let mut workspace = toml_edit::Array::default();
-        for (path_or_version, _) in deps.values() {
-            if let Either::Left(path) = path_or_version {
-                workspace.push(&**path);
-            }
-        }
-        toml_edit::value(workspace)
-    };
-
-    for (id, (path_or_version, _)) in &deps {
-        if let Either::Left(path) = path_or_version {
-            cargo_toml["patch"]["crates-io"][&*id.name()]["path"] = toml_edit::value(&**path);
-        }
-    }
-
-    cargo_toml["dependencies"] = toml_edit::table();
-    for (i, (id, (path_or_version, features))) in deps.iter().enumerate() {
-        let dummy_extern_crate_name = format!("_{}", i);
-        let mut val = toml_edit::InlineTable::default();
-        val.get_or_insert("package", &*id.name());
-        match path_or_version {
-            Either::Left(path) => val.get_or_insert("path", &**path),
-            Either::Right(version) => val.get_or_insert("version", format!("={}", version)),
-        };
-        val.get_or_insert("default-features", false);
-        let mut val_features = toml_edit::Array::default();
-        for &feature in features {
-            val_features.push(feature);
-        }
-        val.get_or_insert("features", val_features);
-        cargo_toml["dependencies"][&dummy_extern_crate_name] = toml_edit::value(val);
-    }
-
-    let manifest_path = root.join("Cargo.toml");
-    cargo::util::paths::write(&manifest_path, cargo_toml.to_string().as_ref())?;
-    config
-        .shell()
-        .info(format!("Wrote {}", manifest_path.display()))?;
-
-    let src_dir = root.join("src");
-    cargo::util::paths::create_dir_all(&src_dir)?;
-    let src_path = src_dir.join("lib.rs");
-    cargo::util::paths::write(&src_path, b"")?;
-    config
-        .shell()
-        .info(format!("Wrote {}", src_path.display()))?;
-
-    Workspace::new(&manifest_path, config)
-}
-
-fn run_tests<I: IntoIterator<Item = P>, P: Borrow<Package>>(
-    ws: &Workspace,
-    pkgs: I,
-    filter: &HashMap<PackageIdSpec, DepTestsConfigFilter>,
-) -> CliResult {
-    fn run_tests(
-        ws: &Workspace,
-        pkg: &Package,
-        modify_compile_opts: impl FnOnce(&mut CompileOptions),
-    ) -> CliResult {
-        let spec = PackageIdSpec::from_package_id(pkg.package_id()).to_string();
-        let mut compile_opts = App::new("")
-            .arg_package("")
-            .get_matches_from_safe(&["", "-p", &spec])?
-            .compile_options(ws.config(), CompileMode::Test, Some(ws))?;
-        modify_compile_opts(&mut compile_opts);
-
-        let test_opts = TestOptions {
-            compile_opts,
-            no_run: false,
-            no_fail_fast: false,
-        };
-
-        if let Some(err) = cargo::ops::run_tests(&ws, &test_opts, &[])? {
-            return Err(match err.exit.as_ref().and_then(ExitStatus::code) {
-                Some(code) => {
-                    let hint = format_err!("{}", err.hint(&ws, &test_opts.compile_opts));
-                    CliError::new(err.context(hint).into(), code)
-                }
-                None => CliError::new(err.into(), 101),
-            });
-        }
-        Ok(())
-    }
-
-    fn default_compile_filter() -> CompileFilter {
-        CompileFilter::new(
-            LibRule::True,
-            FilterRule::none(),
-            FilterRule::none(),
-            FilterRule::none(),
-            FilterRule::none(),
-        )
-    }
-
-    for pkg in pkgs {
-        let pkg = pkg.borrow();
-        let filter = match filter
-            .iter()
-            .filter(|(k, _)| k.matches(pkg.package_id()))
-            .map(|(_, v)| v.clone())
-            .exactly_one()
-        {
-            Ok(filter) => Some(filter),
-            Err(err) => match err.count() {
-                0 => None,
-                n => return Err(format_err!("`{}` matches {} specs", pkg, n).into()),
-            },
-        };
-
-        run_tests(ws, pkg, |mut compile_opts| {
-            compile_opts.filter = filter
-                .as_ref()
-                .map(DepTestsConfigFilter::compile_filter)
-                .unwrap_or_else(default_compile_filter);
-        })?;
-
-        if filter.map_or(true, |DepTestsConfigFilter { doc, .. }| doc) {
-            run_tests(ws, pkg, |mut compile_opts| {
-                compile_opts.build_config.mode = CompileMode::Doctest;
-                compile_opts.filter = default_compile_filter();
-            })?;
-        }
-    }
-    Ok(())
-}
-
-trait ShellExt {
-    fn info(&mut self, message: impl Display) -> Fallible<()>;
-}
-
-impl ShellExt for Shell {
-    fn info(&mut self, message: impl Display) -> Fallible<()> {
-        if self.verbosity() == Verbosity::Quiet {
-            return Ok(());
-        }
-        let message = format!(
-            "{} {}\n",
-            if self.supports_color() {
-                "\x1B[1m\x1B[36minfo:\x1B[0m"
-            } else {
-                "info:"
-            },
-            message,
-        );
-        self.print_ansi(message.as_ref())
-    }
-}
-
-#[derive(Deserialize, Debug)]
-struct DepTestsConfig {
-    exclude: HashSet<PackageIdSpec>,
-    filter: HashMap<PackageIdSpec, DepTestsConfigFilter>,
-}
-
-impl DepTestsConfig {
-    fn load(config: &cargo::Config) -> Fallible<Self> {
-        let path = cargo::util::paths::normalize_path(&config.cwd().join(CONFIG_PATH));
-        let toml = cargo::util::paths::read(&path)?;
-        let this = toml::from_str(&toml)?;
-        config.shell().info(format!("Loaded {}", path.display()))?;
-        Ok(this)
-    }
-}
-
-#[derive(Deserialize, Default, Debug, Clone, PartialEq)]
-struct DepTestsConfigFilter {
-    #[serde(default)]
-    doc: bool,
-    #[serde(default)]
-    lib: bool,
-    #[serde(default)]
-    bin: BTreeSet<String>,
-    #[serde(default)]
-    example: BTreeSet<String>,
-    #[serde(default)]
-    test: BTreeSet<String>,
-    #[serde(default)]
-    bench: BTreeSet<String>,
-}
-
-impl DepTestsConfigFilter {
-    fn compile_filter(&self) -> CompileFilter {
-        CompileFilter::new(
-            if self.lib {
-                LibRule::True
-            } else {
-                LibRule::False
-            },
-            FilterRule::new(self.bin.iter().cloned().collect(), false),
-            FilterRule::new(self.test.iter().cloned().collect(), false),
-            FilterRule::new(self.example.iter().cloned().collect(), false),
-            FilterRule::new(self.bench.iter().cloned().collect(), false),
-        )
-    }
-}