Sep 01 10:34:28.440 INFO checking array-queue-0.3.3 against master#d0d81b7fc1421859ba0218e8a437af29ae3b0967 for pr-53578
Sep 01 10:34:28.440 INFO running: cargo +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets
Sep 01 10:34:28.441 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53578/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-3/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/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=500" "-e" "CMD=cargo +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 10:34:28.617 INFO blam! e436dbd6b5befeeca377e03cb64437d8708dbbab2cb2ac3680e39fead681853d
Sep 01 10:34:28.619 INFO running `"docker" "start" "-a" "e436dbd6b5befeeca377e03cb64437d8708dbbab2cb2ac3680e39fead681853d"`
Sep 01 10:34:29.259 INFO kablam!     Checking array-queue v0.3.3 (file:///source)
Sep 01 10:34:30.814 INFO kablam! warning: unused return value of `std::clone::Clone::clone` which must be used
Sep 01 10:34:30.814 INFO kablam!    --> src/array_queue.rs:553:9
Sep 01 10:34:30.815 INFO kablam!     |
Sep 01 10:34:30.815 INFO kablam! 553 |         a.clone();
Sep 01 10:34:30.815 INFO kablam!     |         ^^^^^^^^^^
Sep 01 10:34:30.815 INFO kablam!     |
Sep 01 10:34:30.815 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 01 10:34:30.815 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Sep 01 10:34:30.815 INFO kablam! 
Sep 01 10:34:30.843 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
Sep 01 10:34:30.844 INFO kablam! su: No module specific data is present
Sep 01 10:34:31.350 INFO running `"docker" "rm" "-f" "e436dbd6b5befeeca377e03cb64437d8708dbbab2cb2ac3680e39fead681853d"`
Sep 01 10:34:31.468 INFO blam! e436dbd6b5befeeca377e03cb64437d8708dbbab2cb2ac3680e39fead681853d