Sep 01 04:09:31.450 INFO checking threadpool-1.7.1 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 04:09:31.450 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 04:09:31.451 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/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 04:09:31.680 INFO blam! c5a198689818ac588853e617228cfd0177cf064ce250b8ab94a48bdb86fd8812
Sep 01 04:09:31.681 INFO running `"docker" "start" "-a" "c5a198689818ac588853e617228cfd0177cf064ce250b8ab94a48bdb86fd8812"`
Sep 01 04:09:32.587 INFO kablam!     Checking threadpool v1.7.1 (file:///source)
Sep 01 04:09:33.690 INFO kablam! warning: unused arithmetic operation which must be used
Sep 01 04:09:33.690 INFO kablam!    --> src/lib.rs:815:36
Sep 01 04:09:33.690 INFO kablam!     |
Sep 01 04:09:33.690 INFO kablam! 815 |             pool.execute(move || { 1 + 1; });
Sep 01 04:09:33.690 INFO kablam!     |                                    ^^^^^
Sep 01 04:09:33.690 INFO kablam!     |
Sep 01 04:09:33.690 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 01 04:09:33.690 INFO kablam! 
Sep 01 04:09:33.711 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
Sep 01 04:09:33.714 INFO kablam! su: No module specific data is present
Sep 01 04:09:34.119 INFO running `"docker" "rm" "-f" "c5a198689818ac588853e617228cfd0177cf064ce250b8ab94a48bdb86fd8812"`
Sep 01 04:09:34.221 INFO blam! c5a198689818ac588853e617228cfd0177cf064ce250b8ab94a48bdb86fd8812