Dec 05 16:35:30.654 INFO checking array-queue-0.3.3 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 16:35:30.654 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 16:35:30.995 INFO [stdout] f4550813e8926eb9065635974de4989769f984849e99e3cd7783cef13626d39d
Dec 05 16:35:31.003 INFO running `"docker" "start" "-a" "f4550813e8926eb9065635974de4989769f984849e99e3cd7783cef13626d39d"`
Dec 05 16:35:31.559 INFO [stderr] usermod: no changes
Dec 05 16:35:31.597 INFO [stderr]     Checking array-queue v0.3.3 (/source)
Dec 05 16:35:32.825 INFO [stderr] warning: unused return value of `std::clone::Clone::clone` that must be used
Dec 05 16:35:32.825 INFO [stderr]    --> src/array_queue.rs:553:9
Dec 05 16:35:32.825 INFO [stderr]     |
Dec 05 16:35:32.825 INFO [stderr] 553 |         a.clone();
Dec 05 16:35:32.825 INFO [stderr]     |         ^^^^^^^^^^
Dec 05 16:35:32.825 INFO [stderr]     |
Dec 05 16:35:32.825 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 16:35:32.825 INFO [stderr]     = note: cloning is often expensive and is not expected to have side effects
Dec 05 16:35:32.825 INFO [stderr] 
Dec 05 16:35:32.839 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
Dec 05 16:35:32.841 INFO [stderr] su: No module specific data is present
Dec 05 16:35:33.090 INFO running `"docker" "inspect" "f4550813e8926eb9065635974de4989769f984849e99e3cd7783cef13626d39d"`
Dec 05 16:35:33.165 INFO running `"docker" "rm" "-f" "f4550813e8926eb9065635974de4989769f984849e99e3cd7783cef13626d39d"`
Dec 05 16:35:33.358 INFO [stdout] f4550813e8926eb9065635974de4989769f984849e99e3cd7783cef13626d39d