Sep 14 19:38:46.679 INFO checking array-queue-0.3.3 against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 19:38:46.679 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 19:38:46.679 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-6/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/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 +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 19:38:47.015 INFO blam! 6bd305bd7617b49c47b88d4fd898fd08ec357c892320261a983be40bd6c3ef02
Sep 14 19:38:47.019 INFO running `"docker" "start" "-a" "6bd305bd7617b49c47b88d4fd898fd08ec357c892320261a983be40bd6c3ef02"`
Sep 14 19:38:48.490 INFO kablam! usermod: no changes
Sep 14 19:38:48.551 INFO kablam!     Checking array-queue v0.3.3 (file:///source)
Sep 14 19:38:49.771 INFO kablam! warning: unused return value of `std::clone::Clone::clone` which must be used
Sep 14 19:38:49.771 INFO kablam!    --> src/array_queue.rs:553:9
Sep 14 19:38:49.771 INFO kablam!     |
Sep 14 19:38:49.771 INFO kablam! 553 |         a.clone();
Sep 14 19:38:49.771 INFO kablam!     |         ^^^^^^^^^^
Sep 14 19:38:49.771 INFO kablam!     |
Sep 14 19:38:49.771 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 14 19:38:49.771 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Sep 14 19:38:49.771 INFO kablam! 
Sep 14 19:38:49.803 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
Sep 14 19:38:49.806 INFO kablam! su: No module specific data is present
Sep 14 19:38:50.979 INFO running `"docker" "rm" "-f" "6bd305bd7617b49c47b88d4fd898fd08ec357c892320261a983be40bd6c3ef02"`
Sep 14 19:38:51.215 INFO blam! 6bd305bd7617b49c47b88d4fd898fd08ec357c892320261a983be40bd6c3ef02