[DO NOT MERGE] Test if sccache is the cause build flaky

Author: tesuji

src/ci/docker/run.sh

@@ -113,9 +113,6 @@ if [ "$SCCACHE_BUCKET" != "" ]; then
     args="$args --env SCCACHE_REGION"
     args="$args --env AWS_ACCESS_KEY_ID"
     args="$args --env AWS_SECRET_ACCESS_KEY"
-else
-    mkdir -p $HOME/.cache/sccache
-    args="$args --env SCCACHE_DIR=/sccache --volume $HOME/.cache/sccache:/sccache"
 fi
 
 # Run containers as privileged as it should give them access to some more

src/ci/run.sh

@@ -29,7 +29,6 @@ if [ ! isCI ] || [ "$branch_name" = "auto" ] || [ "$branch_name" = "try" ]; then
     RUST_CONFIGURE_ARGS="$RUST_CONFIGURE_ARGS --set build.print-step-timings --enable-verbose-tests"
 fi
 
-RUST_CONFIGURE_ARGS="$RUST_CONFIGURE_ARGS --enable-sccache"
 RUST_CONFIGURE_ARGS="$RUST_CONFIGURE_ARGS --disable-manage-submodules"
 RUST_CONFIGURE_ARGS="$RUST_CONFIGURE_ARGS --enable-locked-deps"
 RUST_CONFIGURE_ARGS="$RUST_CONFIGURE_ARGS --enable-cargo-native-static"