Dec 12 09:21:19.833 INFO checking rctree-0.2.1 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 09:21:19.833 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-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 12 09:21:20.247 INFO [stdout] 7acd00ee47b93f882990695e8669bee17484b6ecfd9db4ae2843dd0773f48dcc
Dec 12 09:21:20.249 INFO running `"docker" "start" "-a" "7acd00ee47b93f882990695e8669bee17484b6ecfd9db4ae2843dd0773f48dcc"`
Dec 12 09:21:21.340 INFO [stderr] usermod: no changes
Dec 12 09:21:21.514 INFO [stderr]     Checking rctree v0.2.1 (/source)
Dec 12 09:21:21.560 INFO [stderr]    Compiling syn v0.15.22
Dec 12 09:21:28.649 INFO [stderr]    Compiling indoc-impl v0.2.8
Dec 12 09:21:30.504 INFO [stderr]     Checking indoc v0.2.8
Dec 12 09:21:32.776 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.41s
Dec 12 09:21:32.781 INFO [stderr] su: No module specific data is present
Dec 12 09:21:33.442 INFO running `"docker" "inspect" "7acd00ee47b93f882990695e8669bee17484b6ecfd9db4ae2843dd0773f48dcc"`
Dec 12 09:21:33.690 INFO running `"docker" "rm" "-f" "7acd00ee47b93f882990695e8669bee17484b6ecfd9db4ae2843dd0773f48dcc"`
Dec 12 09:21:33.983 INFO [stdout] 7acd00ee47b93f882990695e8669bee17484b6ecfd9db4ae2843dd0773f48dcc