Dec 12 18:02:04.939 INFO checking array-queue-0.3.3 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 18:02:04.940 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 18:02:05.220 INFO [stdout] a4f6103f983bb1e3dc7d73afb86537891d21b822991d252707b332e16bf9dd8a
Dec 12 18:02:05.222 INFO running `"docker" "start" "-a" "a4f6103f983bb1e3dc7d73afb86537891d21b822991d252707b332e16bf9dd8a"`
Dec 12 18:02:06.168 INFO [stderr] usermod: no changes
Dec 12 18:02:06.231 INFO [stderr]     Checking array-queue v0.3.3 (/source)
Dec 12 18:02:07.440 INFO [stderr] warning: unused return value of `std::clone::Clone::clone` that must be used
Dec 12 18:02:07.440 INFO [stderr]    --> src/array_queue.rs:553:9
Dec 12 18:02:07.440 INFO [stderr]     |
Dec 12 18:02:07.440 INFO [stderr] 553 |         a.clone();
Dec 12 18:02:07.440 INFO [stderr]     |         ^^^^^^^^^^
Dec 12 18:02:07.440 INFO [stderr]     |
Dec 12 18:02:07.440 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 18:02:07.440 INFO [stderr]     = note: cloning is often expensive and is not expected to have side effects
Dec 12 18:02:07.440 INFO [stderr] 
Dec 12 18:02:07.444 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
Dec 12 18:02:07.449 INFO [stderr] su: No module specific data is present
Dec 12 18:02:07.842 INFO running `"docker" "inspect" "a4f6103f983bb1e3dc7d73afb86537891d21b822991d252707b332e16bf9dd8a"`
Dec 12 18:02:07.922 INFO running `"docker" "rm" "-f" "a4f6103f983bb1e3dc7d73afb86537891d21b822991d252707b332e16bf9dd8a"`
Dec 12 18:02:08.014 INFO [stdout] a4f6103f983bb1e3dc7d73afb86537891d21b822991d252707b332e16bf9dd8a