Sep 14 07:45:07.915 INFO checking threadpool-1.7.1 against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 07:45:07.915 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 07:45:07.915 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-3/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/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 +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 07:45:08.071 INFO blam! bac953306fa141595dad57038aa0752b9d865958fa366196fa13e7c26ad827ba
Sep 14 07:45:08.076 INFO running `"docker" "start" "-a" "bac953306fa141595dad57038aa0752b9d865958fa366196fa13e7c26ad827ba"`
Sep 14 07:45:09.231 INFO kablam! usermod: no changes
Sep 14 07:45:09.276 INFO kablam!     Checking threadpool v1.7.1 (file:///source)
Sep 14 07:45:09.939 INFO kablam! warning: unused arithmetic operation which must be used
Sep 14 07:45:09.939 INFO kablam!    --> src/lib.rs:815:36
Sep 14 07:45:09.939 INFO kablam!     |
Sep 14 07:45:09.939 INFO kablam! 815 |             pool.execute(move || { 1 + 1; });
Sep 14 07:45:09.939 INFO kablam!     |                                    ^^^^^
Sep 14 07:45:09.939 INFO kablam!     |
Sep 14 07:45:09.939 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 14 07:45:09.939 INFO kablam! 
Sep 14 07:45:09.995 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
Sep 14 07:45:09.998 INFO kablam! su: No module specific data is present
Sep 14 07:45:10.566 INFO running `"docker" "rm" "-f" "bac953306fa141595dad57038aa0752b9d865958fa366196fa13e7c26ad827ba"`
Sep 14 07:45:10.639 INFO blam! bac953306fa141595dad57038aa0752b9d865958fa366196fa13e7c26ad827ba