Sep 20 04:53:34.173 INFO checking array-queue-0.3.3 against try#fcacde07b66fe513e52c41b73aef91bcc121905b for pr-54346
Sep 20 04:53:34.173 INFO running: cargo +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets
Sep 20 04:53:34.173 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54346/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-3/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/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 +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 04:53:34.570 INFO blam! 0aabe6dfed678c836548c84b4aa9ee51b4062910b38afba55ae202bbac70102b
Sep 20 04:53:34.575 INFO running `"docker" "start" "-a" "0aabe6dfed678c836548c84b4aa9ee51b4062910b38afba55ae202bbac70102b"`
Sep 20 04:53:35.900 INFO kablam! usermod: no changes
Sep 20 04:53:35.980 INFO kablam!     Checking array-queue v0.3.3 (/source)
Sep 20 04:53:37.315 INFO kablam! warning: unused return value of `std::clone::Clone::clone` which must be used
Sep 20 04:53:37.315 INFO kablam!    --> src/array_queue.rs:553:9
Sep 20 04:53:37.315 INFO kablam!     |
Sep 20 04:53:37.315 INFO kablam! 553 |         a.clone();
Sep 20 04:53:37.315 INFO kablam!     |         ^^^^^^^^^^
Sep 20 04:53:37.315 INFO kablam!     |
Sep 20 04:53:37.315 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 20 04:53:37.315 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Sep 20 04:53:37.315 INFO kablam! 
Sep 20 04:53:37.348 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
Sep 20 04:53:37.355 INFO kablam! su: No module specific data is present
Sep 20 04:53:38.725 INFO running `"docker" "rm" "-f" "0aabe6dfed678c836548c84b4aa9ee51b4062910b38afba55ae202bbac70102b"`
Sep 20 04:53:39.150 INFO blam! 0aabe6dfed678c836548c84b4aa9ee51b4062910b38afba55ae202bbac70102b