Inspect persistent cache disk usage

Author: griggt

.github/workflows/ci.yaml

@@ -42,6 +42,9 @@ jobs:
       - name: Git Checkout
         uses: actions/checkout@v2
 
+      - name: Inspect persistent cache disk usage
+        run: du -hd1 /root
+
       - name: Add SBT proxy repositories
         run: cp -vf .github/workflows/repositories /root/.sbt/ ; true
 
@@ -50,6 +53,9 @@ jobs:
           ./project/scripts/sbt ";compile ;test"
           ./project/scripts/cmdTests
 
+      - name: Inspect persistent cache disk usage
+        run: du -hd2 /root
+
   test_bootstrapped:
     runs-on: [self-hosted, Linux]
     container:
@@ -74,6 +80,9 @@ jobs:
       - name: Git Checkout
         uses: actions/checkout@v2
 
+      - name: Inspect persistent cache disk usage
+        run: du -hd1 /root
+
       - name: Add SBT proxy repositories
         run: cp -vf .github/workflows/repositories /root/.sbt/ ; true
 
@@ -82,6 +91,9 @@ jobs:
           ./project/scripts/sbt ";scala3-bootstrapped/compile ;scala3-bootstrapped/test;sjsSandbox/run;sjsSandbox/test;sjsJUnitTests/test;sjsCompilerTests/test ;sbt-dotty/scripted scala2-compat/* ;configureIDE ;stdlib-bootstrapped/test:run ;stdlib-bootstrapped-tasty-tests/test"
           ./project/scripts/bootstrapCmdTests
 
+      - name: Inspect persistent cache disk usage
+        run: du -hd2 /root
+
   ## Only run bootstrapped tests for Windows since that's a superset of the
   ## non-bootstrapped tests and bootstrapping issues should be caught by
   ## the non-bootstrapped Linux runner.
@@ -141,6 +153,9 @@ jobs:
       - name: Git Checkout
         uses: actions/checkout@v2
 
+      - name: Inspect persistent cache disk usage
+        run: du -hd1 /root
+
       - name: Add SBT proxy repositories
         run: cp -vf .github/workflows/repositories /root/.sbt/ ; true
 
@@ -153,6 +168,9 @@ jobs:
         run: |
           ./project/scripts/sbt "community-build/testOnly dotty.communitybuild.CommunityBuildTestA"
 
+      - name: Inspect persistent cache disk usage
+        run: du -hd2 /root
+
   community_build_b:
     runs-on: [self-hosted, Linux]
     container:
@@ -172,6 +190,9 @@ jobs:
       - name: Git Checkout
         uses: actions/checkout@v2
 
+      - name: Inspect persistent cache disk usage
+        run: du -hd1 /root
+
       - name: Add SBT proxy repositories
         run: cp -vf .github/workflows/repositories /root/.sbt/ ; true
 
@@ -184,6 +205,9 @@ jobs:
         run: |
           ./project/scripts/sbt "community-build/testOnly dotty.communitybuild.CommunityBuildTestB"
 
+      - name: Inspect persistent cache disk usage
+        run: du -hd2 /root
+
   test_sbt:
     runs-on: [self-hosted, Linux]
     container: