Dec 07 16:04:39.759 INFO testing ga-v4-flattener-0.3.0 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 07 16:04:39.759 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 07 16:04:40.045 INFO [stdout] 6b9f244de947f83b4b77fce73abc09d26852e8e60baf3371b363c8191562ca4d
Dec 07 16:04:40.047 INFO running `"docker" "start" "-a" "6b9f244de947f83b4b77fce73abc09d26852e8e60baf3371b363c8191562ca4d"`
Dec 07 16:04:40.553 INFO [stderr] usermod: no changes
Dec 07 16:04:40.576 INFO [stderr] error: failed to parse manifest at `/source/Cargo.toml`
Dec 07 16:04:40.576 INFO [stderr] 
Dec 07 16:04:40.576 INFO [stderr] Caused by:
Dec 07 16:04:40.576 INFO [stderr]   can't find `to_delimited` bench, specify bench.path
Dec 07 16:04:40.577 INFO [stderr] su: No module specific data is present
Dec 07 16:04:40.902 INFO running `"docker" "inspect" "6b9f244de947f83b4b77fce73abc09d26852e8e60baf3371b363c8191562ca4d"`
Dec 07 16:04:41.031 INFO running `"docker" "rm" "-f" "6b9f244de947f83b4b77fce73abc09d26852e8e60baf3371b363c8191562ca4d"`
Dec 07 16:04:41.156 INFO [stdout] 6b9f244de947f83b4b77fce73abc09d26852e8e60baf3371b363c8191562ca4d