Dec 12 18:02:05.110 INFO checking array-queue-0.3.3 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 18:02:05.110 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 18:02:05.428 INFO [stdout] d6a7d63a8c3b256d784801a7a2901689d9af91705033af23eceda88730fbc66a
Dec 12 18:02:05.434 INFO running `"docker" "start" "-a" "d6a7d63a8c3b256d784801a7a2901689d9af91705033af23eceda88730fbc66a"`
Dec 12 18:02:06.287 INFO [stderr] usermod: no changes
Dec 12 18:02:06.381 INFO [stderr]     Checking array-queue v0.3.3 (/source)
Dec 12 18:02:07.608 INFO [stderr] warning: unused return value of `std::clone::Clone::clone` that must be used
Dec 12 18:02:07.608 INFO [stderr]    --> src/array_queue.rs:553:9
Dec 12 18:02:07.608 INFO [stderr]     |
Dec 12 18:02:07.608 INFO [stderr] 553 |         a.clone();
Dec 12 18:02:07.608 INFO [stderr]     |         ^^^^^^^^^^
Dec 12 18:02:07.608 INFO [stderr]     |
Dec 12 18:02:07.608 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 18:02:07.608 INFO [stderr]     = note: cloning is often expensive and is not expected to have side effects
Dec 12 18:02:07.608 INFO [stderr] 
Dec 12 18:02:07.644 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
Dec 12 18:02:07.644 INFO [stderr] su: No module specific data is present
Dec 12 18:02:07.955 INFO running `"docker" "inspect" "d6a7d63a8c3b256d784801a7a2901689d9af91705033af23eceda88730fbc66a"`
Dec 12 18:02:08.031 INFO running `"docker" "rm" "-f" "d6a7d63a8c3b256d784801a7a2901689d9af91705033af23eceda88730fbc66a"`
Dec 12 18:02:08.097 INFO [stdout] d6a7d63a8c3b256d784801a7a2901689d9af91705033af23eceda88730fbc66a