Sep 01 21:22:41.472 INFO checking threadpool-1.7.1 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 01 21:22:41.472 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 21:22:41.472 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-0/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 21:22:41.645 INFO blam! 2763c3ecd76452782a8aa97b1c6124145bf5742a2c4bff62b4772270765d40cf
Sep 01 21:22:41.647 INFO running `"docker" "start" "-a" "2763c3ecd76452782a8aa97b1c6124145bf5742a2c4bff62b4772270765d40cf"`
Sep 01 21:22:42.214 INFO kablam!     Checking threadpool v1.7.1 (file:///source)
Sep 01 21:22:43.142 INFO kablam! warning: unused arithmetic operation which must be used
Sep 01 21:22:43.142 INFO kablam!    --> src/lib.rs:815:36
Sep 01 21:22:43.142 INFO kablam!     |
Sep 01 21:22:43.142 INFO kablam! 815 |             pool.execute(move || { 1 + 1; });
Sep 01 21:22:43.142 INFO kablam!     |                                    ^^^^^
Sep 01 21:22:43.142 INFO kablam!     |
Sep 01 21:22:43.142 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 01 21:22:43.143 INFO kablam! 
Sep 01 21:22:43.172 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
Sep 01 21:22:43.175 INFO kablam! su: No module specific data is present
Sep 01 21:22:43.533 INFO running `"docker" "rm" "-f" "2763c3ecd76452782a8aa97b1c6124145bf5742a2c4bff62b4772270765d40cf"`
Sep 01 21:22:43.618 INFO blam! 2763c3ecd76452782a8aa97b1c6124145bf5742a2c4bff62b4772270765d40cf