GitHub artifact test didn't work.

.github/workflows/build.yml

@@ -3,10 +3,8 @@ name: build
 on:
   push:
     branches: [ master ]
-    paths-ignore: [ .github/workflows/cygwin-save.yml ]
   pull_request:
     branches: [ master ]
-    paths-ignore: [ .github/workflows/cygwin-save.yml ]
 
 jobs:
 

.github/workflows/cygwin-save.yml

@@ -1,21 +0,0 @@
-name: cygwin-save
-
-on:
-  push:
-    branches: [ master ]
-    paths: [ .github/workflows/cygwin-save.yml ]
-
-jobs:
-
-  save-artifact:
-    runs-on: windows-latest
-    steps:
-    - uses: crazy-max/ghaction-chocolatey@v1.2.2
-      with:
-        args: install -y --no-progress cygwin cyg-get
-    - name: prep
-      run: cyg-get make autoconf automake gcc-core gcc-g++ libssl-devel libzstd-devel liblz4-devel
-    - uses: actions/upload-artifact@v2
-      with:
-        name: tools-cygwin
-        path: c:/tools/cygwin