Sep 20 04:54:20.639 INFO checking crossbeam-utils-0.2.2 against try#135b4cd023a753409d01e43b0f23d22a899feeeb for pr-54352
Sep 20 04:54:20.639 INFO running: cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets
Sep 20 04:54:20.639 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54352/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-7/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/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 +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 04:54:20.813 INFO blam! 7634bc48976d443215995056542d6723ca3b20f4b6f2c4cc5568efa496aee23c
Sep 20 04:54:20.815 INFO running `"docker" "start" "-a" "7634bc48976d443215995056542d6723ca3b20f4b6f2c4cc5568efa496aee23c"`
Sep 20 04:54:21.453 INFO kablam! usermod: no changes
Sep 20 04:54:21.509 INFO kablam!     Checking crossbeam-utils v0.2.2 (/source)
Sep 20 04:54:22.222 INFO kablam! warning: unused return value of `std::clone::Clone::clone` which must be used
Sep 20 04:54:22.222 INFO kablam!    --> src/cache_padded.rs:286:9
Sep 20 04:54:22.223 INFO kablam!     |
Sep 20 04:54:22.223 INFO kablam! 286 |         a.clone();
Sep 20 04:54:22.223 INFO kablam!     |         ^^^^^^^^^^
Sep 20 04:54:22.224 INFO kablam!     |
Sep 20 04:54:22.224 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 20 04:54:22.225 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Sep 20 04:54:22.225 INFO kablam! 
Sep 20 04:54:22.253 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Sep 20 04:54:22.257 INFO kablam! su: No module specific data is present
Sep 20 04:54:22.867 INFO running `"docker" "rm" "-f" "7634bc48976d443215995056542d6723ca3b20f4b6f2c4cc5568efa496aee23c"`
Sep 20 04:54:22.958 INFO blam! 7634bc48976d443215995056542d6723ca3b20f4b6f2c4cc5568efa496aee23c