Dec 01 01:54:40.069 INFO checking array-queue-0.3.3 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Dec 01 01:54:40.069 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 01 01:54:40.352 INFO [stdout] 1abe52fe4cf16a0b99b8807b859b085bfc2423bf371dc1f2c762f50a0edde9a5
Dec 01 01:54:40.352 INFO running `"docker" "start" "-a" "1abe52fe4cf16a0b99b8807b859b085bfc2423bf371dc1f2c762f50a0edde9a5"`
Dec 01 01:54:40.968 INFO [stderr] usermod: no changes
Dec 01 01:54:40.999 INFO [stderr]     Checking array-queue v0.3.3 (/source)
Dec 01 01:54:42.235 INFO [stderr] warning: unused return value of `std::clone::Clone::clone` that must be used
Dec 01 01:54:42.236 INFO [stderr]    --> src/array_queue.rs:553:9
Dec 01 01:54:42.236 INFO [stderr]     |
Dec 01 01:54:42.236 INFO [stderr] 553 |         a.clone();
Dec 01 01:54:42.236 INFO [stderr]     |         ^^^^^^^^^^
Dec 01 01:54:42.236 INFO [stderr]     |
Dec 01 01:54:42.236 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 01 01:54:42.236 INFO [stderr]     = note: cloning is often expensive and is not expected to have side effects
Dec 01 01:54:42.236 INFO [stderr] 
Dec 01 01:54:42.261 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
Dec 01 01:54:42.263 INFO [stderr] su: No module specific data is present
Dec 01 01:54:42.575 INFO running `"docker" "inspect" "1abe52fe4cf16a0b99b8807b859b085bfc2423bf371dc1f2c762f50a0edde9a5"`
Dec 01 01:54:42.689 INFO running `"docker" "rm" "-f" "1abe52fe4cf16a0b99b8807b859b085bfc2423bf371dc1f2c762f50a0edde9a5"`
Dec 01 01:54:42.763 INFO [stdout] 1abe52fe4cf16a0b99b8807b859b085bfc2423bf371dc1f2c762f50a0edde9a5