Sep 10 22:42:25.895 INFO checking array-queue-0.3.3 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 22:42:25.895 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 22:42:25.895 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-6/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 22:42:26.118 INFO blam! b1135b465f746d3cdc30e95f127086f60da0fa8bec1b59d339e24a19317f548e
Sep 10 22:42:26.120 INFO running `"docker" "start" "-a" "b1135b465f746d3cdc30e95f127086f60da0fa8bec1b59d339e24a19317f548e"`
Sep 10 22:42:27.226 INFO kablam! usermod: no changes
Sep 10 22:42:27.269 INFO kablam!     Checking array-queue v0.3.3 (file:///source)
Sep 10 22:42:28.698 INFO kablam! warning: unused return value of `std::clone::Clone::clone` which must be used
Sep 10 22:42:28.698 INFO kablam!    --> src/array_queue.rs:553:9
Sep 10 22:42:28.698 INFO kablam!     |
Sep 10 22:42:28.698 INFO kablam! 553 |         a.clone();
Sep 10 22:42:28.698 INFO kablam!     |         ^^^^^^^^^^
Sep 10 22:42:28.698 INFO kablam!     |
Sep 10 22:42:28.698 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 10 22:42:28.698 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Sep 10 22:42:28.698 INFO kablam! 
Sep 10 22:42:28.742 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
Sep 10 22:42:28.749 INFO kablam! su: No module specific data is present
Sep 10 22:42:29.949 INFO running `"docker" "rm" "-f" "b1135b465f746d3cdc30e95f127086f60da0fa8bec1b59d339e24a19317f548e"`
Sep 10 22:42:30.055 INFO blam! b1135b465f746d3cdc30e95f127086f60da0fa8bec1b59d339e24a19317f548e