Auto merge of #133033 - klensy:win.dot, r=<try>

turn creating 8dot3 names off for windows for speed

r? `@ghost`

try-job: x86_64-msvc

Author: bors

.github/workflows/ci.yml

@@ -65,6 +65,7 @@ jobs:
     defaults:
       run:
         shell: ${{ contains(matrix.os, 'windows') && 'msys2 {0}' || 'bash' }}
+        working-directory: ${{ contains(matrix.os, 'windows') && 'D:/a/rust/rust' }}
     timeout-minutes: 240
     env:
       CI_JOB_NAME: ${{ matrix.image }}