Sep 20 06:31:01.488 INFO checking array-queue-0.3.3 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 20 06:31:01.488 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 20 06:31:01.489 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-7/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/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 +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 06:31:01.738 INFO blam! acb39589601e587d4bb4c2f087215a60ddc23517622e61abb5b4973e64e6cb0d
Sep 20 06:31:01.740 INFO running `"docker" "start" "-a" "acb39589601e587d4bb4c2f087215a60ddc23517622e61abb5b4973e64e6cb0d"`
Sep 20 06:31:03.206 INFO kablam! usermod: no changes
Sep 20 06:31:03.266 INFO kablam!     Checking array-queue v0.3.3 (/source)
Sep 20 06:31:04.562 INFO kablam! warning: unused return value of `std::clone::Clone::clone` which must be used
Sep 20 06:31:04.562 INFO kablam!    --> src/array_queue.rs:553:9
Sep 20 06:31:04.562 INFO kablam!     |
Sep 20 06:31:04.562 INFO kablam! 553 |         a.clone();
Sep 20 06:31:04.562 INFO kablam!     |         ^^^^^^^^^^
Sep 20 06:31:04.562 INFO kablam!     |
Sep 20 06:31:04.562 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 20 06:31:04.562 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Sep 20 06:31:04.562 INFO kablam! 
Sep 20 06:31:04.626 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
Sep 20 06:31:04.626 INFO kablam! su: No module specific data is present
Sep 20 06:31:05.619 INFO running `"docker" "rm" "-f" "acb39589601e587d4bb4c2f087215a60ddc23517622e61abb5b4973e64e6cb0d"`
Sep 20 06:31:05.743 INFO blam! acb39589601e587d4bb4c2f087215a60ddc23517622e61abb5b4973e64e6cb0d