Dec 12 06:18:00.550 INFO checking threadpool-1.7.1 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 06:18:00.551 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 06:18:00.749 INFO [stdout] 58e4d2465f922a7f1458b90c3fa96549170a7961a334903b99c27db550a45752
Dec 12 06:18:00.751 INFO running `"docker" "start" "-a" "58e4d2465f922a7f1458b90c3fa96549170a7961a334903b99c27db550a45752"`
Dec 12 06:18:01.430 INFO [stderr] usermod: no changes
Dec 12 06:18:01.466 INFO [stderr]     Checking threadpool v1.7.1 (/source)
Dec 12 06:18:02.322 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 12 06:18:02.322 INFO [stderr]    --> src/lib.rs:815:36
Dec 12 06:18:02.322 INFO [stderr]     |
Dec 12 06:18:02.322 INFO [stderr] 815 |             pool.execute(move || { 1 + 1; });
Dec 12 06:18:02.322 INFO [stderr]     |                                    ^^^^^
Dec 12 06:18:02.322 INFO [stderr]     |
Dec 12 06:18:02.322 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 06:18:02.322 INFO [stderr] 
Dec 12 06:18:02.352 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
Dec 12 06:18:02.354 INFO [stderr] su: No module specific data is present
Dec 12 06:18:02.834 INFO running `"docker" "inspect" "58e4d2465f922a7f1458b90c3fa96549170a7961a334903b99c27db550a45752"`
Dec 12 06:18:02.954 INFO running `"docker" "rm" "-f" "58e4d2465f922a7f1458b90c3fa96549170a7961a334903b99c27db550a45752"`
Dec 12 06:18:03.196 INFO [stdout] 58e4d2465f922a7f1458b90c3fa96549170a7961a334903b99c27db550a45752