Dec 05 04:15:23.980 INFO checking workerpool-1.1.1 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 04:15:23.980 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 05 04:15:24.307 INFO [stdout] 8d70e68c7eb33d215fcdac93be3eccf3ca8ab9d7398442a5f0d017e620b32b24
Dec 05 04:15:24.310 INFO running `"docker" "start" "-a" "8d70e68c7eb33d215fcdac93be3eccf3ca8ab9d7398442a5f0d017e620b32b24"`
Dec 05 04:15:25.575 INFO [stderr] usermod: no changes
Dec 05 04:15:25.663 INFO [stderr]     Checking workerpool v1.1.1 (/source)
Dec 05 04:15:26.626 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 05 04:15:26.626 INFO [stderr]     --> src/lib.rs:1070:46
Dec 05 04:15:26.626 INFO [stderr]      |
Dec 05 04:15:26.626 INFO [stderr] 1070 |             pool.execute(Thunk::of(move || { 1 + 1; }));
Dec 05 04:15:26.626 INFO [stderr]      |                                              ^^^^^
Dec 05 04:15:26.626 INFO [stderr]      |
Dec 05 04:15:26.626 INFO [stderr]      = note: #[warn(unused_must_use)] on by default
Dec 05 04:15:26.626 INFO [stderr] 
Dec 05 04:15:26.643 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
Dec 05 04:15:26.645 INFO [stderr] su: No module specific data is present
Dec 05 04:15:27.016 INFO running `"docker" "inspect" "8d70e68c7eb33d215fcdac93be3eccf3ca8ab9d7398442a5f0d017e620b32b24"`
Dec 05 04:15:27.169 INFO running `"docker" "rm" "-f" "8d70e68c7eb33d215fcdac93be3eccf3ca8ab9d7398442a5f0d017e620b32b24"`
Dec 05 04:15:27.362 INFO [stdout] 8d70e68c7eb33d215fcdac93be3eccf3ca8ab9d7398442a5f0d017e620b32b24