Sep 20 06:31:00.708 INFO checking array-queue-0.3.3 against try#135b4cd023a753409d01e43b0f23d22a899feeeb for pr-54352
Sep 20 06:31:00.708 INFO running: cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets
Sep 20 06:31:00.708 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54352/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-2/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 06:31:00.936 INFO blam! cee869a0aa76b6fb6d9ab99dfc3be8eebcdcbe6393763102823a41f3629c0f38
Sep 20 06:31:00.938 INFO running `"docker" "start" "-a" "cee869a0aa76b6fb6d9ab99dfc3be8eebcdcbe6393763102823a41f3629c0f38"`
Sep 20 06:31:02.270 INFO kablam! usermod: no changes
Sep 20 06:31:02.358 INFO kablam!     Checking array-queue v0.3.3 (/source)
Sep 20 06:31:03.586 INFO kablam! warning: unused return value of `std::clone::Clone::clone` which must be used
Sep 20 06:31:03.586 INFO kablam!    --> src/array_queue.rs:553:9
Sep 20 06:31:03.586 INFO kablam!     |
Sep 20 06:31:03.586 INFO kablam! 553 |         a.clone();
Sep 20 06:31:03.586 INFO kablam!     |         ^^^^^^^^^^
Sep 20 06:31:03.586 INFO kablam!     |
Sep 20 06:31:03.586 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 20 06:31:03.586 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Sep 20 06:31:03.586 INFO kablam! 
Sep 20 06:31:03.628 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
Sep 20 06:31:03.639 INFO kablam! su: No module specific data is present
Sep 20 06:31:04.788 INFO running `"docker" "rm" "-f" "cee869a0aa76b6fb6d9ab99dfc3be8eebcdcbe6393763102823a41f3629c0f38"`
Sep 20 06:31:04.908 INFO blam! cee869a0aa76b6fb6d9ab99dfc3be8eebcdcbe6393763102823a41f3629c0f38