use lower case to match other error messages

tshepang · tshepang · commit 5c2a32296dea · 2025-04-03T01:07:55.000+02:00
diff --git a/compiler/rustc_session/src/config.rs b/compiler/rustc_session/src/config.rs
@@ -1424,8 +1424,8 @@ pub fn build_target_config(
             target
         }
         Err(e) => early_dcx.early_fatal(format!(
-            "Error loading target specification: {e}. \
-                     Run `rustc --print target-list` for a list of built-in targets"
+            "error loading target specification: {e}; \
+                     run `rustc --print target-list` for a list of built-in targets"
         )),
     }
 }
diff --git a/compiler/rustc_target/src/spec/mod.rs b/compiler/rustc_target/src/spec/mod.rs
@@ -3516,7 +3516,7 @@ impl Target {
                     Err("the `i586-pc-windows-msvc` target has been removed. Use the `i686-pc-windows-msvc` target instead.\n\
                         Windows 10 (the minimum required OS version) requires a CPU baseline of at least i686 so you can safely switch".into())
                 } else {
-                    Err(format!("Could not find specification for target {target_tuple:?}"))
+                    Err(format!("could not find specification for target {target_tuple:?}"))
                 }
             }
             TargetTuple::TargetJson { ref contents, .. } => {
diff --git a/tests/run-make/target-specs/rmake.rs b/tests/run-make/target-specs/rmake.rs
@@ -14,7 +14,7 @@ fn main() {
         .input("foo.rs")
         .target("my-invalid-platform.json")
         .run_fail()
-        .assert_stderr_contains("Error loading target specification");
+        .assert_stderr_contains("error loading target specification");
     rustc()
         .input("foo.rs")
         .target("my-incomplete-platform.json")
diff --git a/tests/ui/errors/wrong-target-spec.rs b/tests/ui/errors/wrong-target-spec.rs
@@ -7,4 +7,4 @@
 
 fn main() {}
 
-//~? ERROR Error loading target specification: Could not find specification for target "x86_64_unknown-linux-musl"
+//~? ERROR error loading target specification: could not find specification for target "x86_64_unknown-linux-musl"
diff --git a/tests/ui/errors/wrong-target-spec.stderr b/tests/ui/errors/wrong-target-spec.stderr
@@ -1,2 +1,2 @@
-error: Error loading target specification: Could not find specification for target "x86_64_unknown-linux-musl". Run `rustc --print target-list` for a list of built-in targets
+error: error loading target specification: could not find specification for target "x86_64_unknown-linux-musl"; run `rustc --print target-list` for a list of built-in targets
 

Original file line number	Diff line number	Diff line change
`@@ -1424,8 +1424,8 @@ pub fn build_target_config(`
`1424`	`1424`	`target`
`1425`	`1425`	`}`
`1426`	`1426`	`Err(e) => early_dcx.early_fatal(format!(`
`1427`		`- "Error loading target specification: {e}. \`
`1428`		- Run `rustc --print target-list` for a list of built-in targets"
	`1427`	`+ "error loading target specification: {e}; \`
	`1428`	+ run `rustc --print target-list` for a list of built-in targets"
`1429`	`1429`	`)),`
`1430`	`1430`	`}`
`1431`	`1431`	`}`
Original file line number	Diff line number	Diff line change
`@@ -3516,7 +3516,7 @@ impl Target {`
`3516`	`3516`	Err("the `i586-pc-windows-msvc` target has been removed. Use the `i686-pc-windows-msvc` target instead.\n\
`3517`	`3517`	`Windows 10 (the minimum required OS version) requires a CPU baseline of at least i686 so you can safely switch".into())`
`3518`	`3518`	`} else {`
`3519`		`- Err(format!("Could not find specification for target {target_tuple:?}"))`
	`3519`	`+ Err(format!("could not find specification for target {target_tuple:?}"))`
`3520`	`3520`	`}`
`3521`	`3521`	`}`
`3522`	`3522`	`TargetTuple::TargetJson { ref contents, .. } => {`
Original file line number	Diff line number	Diff line change
`@@ -7,4 +7,4 @@`
`7`	`7`
`8`	`8`	`fn main() {}`
`9`	`9`
`10`		`-//~? ERROR Error loading target specification: Could not find specification for target "x86_64_unknown-linux-musl"`
	`10`	`+//~? ERROR error loading target specification: could not find specification for target "x86_64_unknown-linux-musl"`
Original file line number	Diff line number	Diff line change
`@@ -1,2 +1,2 @@`
`1`		-error: Error loading target specification: Could not find specification for target "x86_64_unknown-linux-musl". Run `rustc --print target-list` for a list of built-in targets
	`1`	+error: error loading target specification: could not find specification for target "x86_64_unknown-linux-musl"; run `rustc --print target-list` for a list of built-in targets
`2`	`2`