Dec 05 10:05:25.629 INFO checking nbchan-0.1.3 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 10:05:25.629 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 10:05:26.003 INFO [stdout] 5872a22096114607946d696981599f928991aecad22970ce6bb3fde20cf2e53d
Dec 05 10:05:26.005 INFO running `"docker" "start" "-a" "5872a22096114607946d696981599f928991aecad22970ce6bb3fde20cf2e53d"`
Dec 05 10:05:27.623 INFO [stderr] usermod: no changes
Dec 05 10:05:27.658 INFO [stderr]     Checking nbchan v0.1.3 (/source)
Dec 05 10:05:29.315 INFO [stderr] warning: unused return value of `std::clone::Clone::clone` that must be used
Dec 05 10:05:29.315 INFO [stderr]   --> benches/lib.rs:38:9
Dec 05 10:05:29.315 INFO [stderr]    |
Dec 05 10:05:29.315 INFO [stderr] 38 |         tx.clone();
Dec 05 10:05:29.315 INFO [stderr]    |         ^^^^^^^^^^^
Dec 05 10:05:29.315 INFO [stderr]    |
Dec 05 10:05:29.315 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 10:05:29.315 INFO [stderr]    = note: cloning is often expensive and is not expected to have side effects
Dec 05 10:05:29.315 INFO [stderr] 
Dec 05 10:05:29.315 INFO [stderr] warning: unused return value of `std::clone::Clone::clone` that must be used
Dec 05 10:05:29.315 INFO [stderr]   --> benches/lib.rs:46:9
Dec 05 10:05:29.315 INFO [stderr]    |
Dec 05 10:05:29.315 INFO [stderr] 46 |         tx.clone();
Dec 05 10:05:29.315 INFO [stderr]    |         ^^^^^^^^^^^
Dec 05 10:05:29.315 INFO [stderr]    |
Dec 05 10:05:29.315 INFO [stderr]    = note: cloning is often expensive and is not expected to have side effects
Dec 05 10:05:29.315 INFO [stderr] 
Dec 05 10:05:29.347 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.70s
Dec 05 10:05:29.355 INFO [stderr] su: No module specific data is present
Dec 05 10:05:29.975 INFO running `"docker" "inspect" "5872a22096114607946d696981599f928991aecad22970ce6bb3fde20cf2e53d"`
Dec 05 10:05:30.132 INFO running `"docker" "rm" "-f" "5872a22096114607946d696981599f928991aecad22970ce6bb3fde20cf2e53d"`
Dec 05 10:05:30.280 INFO [stdout] 5872a22096114607946d696981599f928991aecad22970ce6bb3fde20cf2e53d