Dec 05 12:16:45.580 INFO checking hamt-rs-0.3.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 12:16:45.580 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 12:16:46.015 INFO [stdout] 33ed50e03f068ed106d3db8a6b1b1b191c4f0acec131ceb7e63bb82d4adac07b
Dec 05 12:16:46.016 INFO running `"docker" "start" "-a" "33ed50e03f068ed106d3db8a6b1b1b191c4f0acec131ceb7e63bb82d4adac07b"`
Dec 05 12:16:47.485 INFO [stderr] usermod: no changes
Dec 05 12:16:47.591 INFO [stderr]     Checking hamt-rs v0.3.0 (/source)
Dec 05 12:16:51.803 INFO [stderr] warning: unused return value of `std::clone::Clone::clone` that must be used
Dec 05 12:16:51.803 INFO [stderr]    --> benches/benches.rs:165:9
Dec 05 12:16:51.803 INFO [stderr]     |
Dec 05 12:16:51.803 INFO [stderr] 165 |         map.clone();
Dec 05 12:16:51.803 INFO [stderr]     |         ^^^^^^^^^^^^
Dec 05 12:16:51.803 INFO [stderr]     |
Dec 05 12:16:51.803 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 12:16:51.803 INFO [stderr]     = note: cloning is often expensive and is not expected to have side effects
Dec 05 12:16:51.803 INFO [stderr] 
Dec 05 12:16:51.835 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.31s
Dec 05 12:16:51.838 INFO [stderr] su: No module specific data is present
Dec 05 12:16:52.736 INFO running `"docker" "inspect" "33ed50e03f068ed106d3db8a6b1b1b191c4f0acec131ceb7e63bb82d4adac07b"`
Dec 05 12:16:53.140 INFO running `"docker" "rm" "-f" "33ed50e03f068ed106d3db8a6b1b1b191c4f0acec131ceb7e63bb82d4adac07b"`
Dec 05 12:16:53.495 INFO [stdout] 33ed50e03f068ed106d3db8a6b1b1b191c4f0acec131ceb7e63bb82d4adac07b