Sep 04 23:24:21.754 INFO checking crossbeam-utils-0.5.0 against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 04 23:24:21.754 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 04 23:24:21.754 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-2/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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 +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 23:24:21.958 INFO blam! cf0441c9d8fcfca69506c1de1ea9bd5d09fff679de23b49166af044c25d92da9
Sep 04 23:24:21.961 INFO running `"docker" "start" "-a" "cf0441c9d8fcfca69506c1de1ea9bd5d09fff679de23b49166af044c25d92da9"`
Sep 04 23:24:22.794 INFO kablam!     Checking crossbeam-utils v0.5.0 (file:///source)
Sep 04 23:24:24.166 INFO kablam! warning: unused return value of `std::clone::Clone::clone` which must be used
Sep 04 23:24:24.166 INFO kablam!    --> src/cache_padded.rs:168:9
Sep 04 23:24:24.166 INFO kablam!     |
Sep 04 23:24:24.166 INFO kablam! 168 |         a.clone();
Sep 04 23:24:24.166 INFO kablam!     |         ^^^^^^^^^^
Sep 04 23:24:24.166 INFO kablam!     |
Sep 04 23:24:24.166 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 04 23:24:24.166 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Sep 04 23:24:24.166 INFO kablam! 
Sep 04 23:24:24.185 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
Sep 04 23:24:24.187 INFO kablam! su: No module specific data is present
Sep 04 23:24:24.735 INFO running `"docker" "rm" "-f" "cf0441c9d8fcfca69506c1de1ea9bd5d09fff679de23b49166af044c25d92da9"`
Sep 04 23:24:24.864 INFO blam! cf0441c9d8fcfca69506c1de1ea9bd5d09fff679de23b49166af044c25d92da9