Sep 19 19:01:47.991 INFO checking threadpool-1.7.1 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 19 19:01:47.992 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 19 19:01:47.992 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-1/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/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 +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 19:01:48.277 INFO blam! 53ae24e764dd8c97c004c0612980d07433f3ff05d41f9155407bd8f7a9262a75
Sep 19 19:01:48.277 INFO running `"docker" "start" "-a" "53ae24e764dd8c97c004c0612980d07433f3ff05d41f9155407bd8f7a9262a75"`
Sep 19 19:01:49.533 INFO kablam! usermod: no changes
Sep 19 19:01:49.605 INFO kablam!     Checking threadpool v1.7.1 (/source)
Sep 19 19:01:50.270 INFO kablam! warning: unused arithmetic operation which must be used
Sep 19 19:01:50.270 INFO kablam!    --> src/lib.rs:815:36
Sep 19 19:01:50.270 INFO kablam!     |
Sep 19 19:01:50.270 INFO kablam! 815 |             pool.execute(move || { 1 + 1; });
Sep 19 19:01:50.270 INFO kablam!     |                                    ^^^^^
Sep 19 19:01:50.270 INFO kablam!     |
Sep 19 19:01:50.270 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 19 19:01:50.270 INFO kablam! 
Sep 19 19:01:50.330 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
Sep 19 19:01:50.333 INFO kablam! su: No module specific data is present
Sep 19 19:01:51.393 INFO running `"docker" "rm" "-f" "53ae24e764dd8c97c004c0612980d07433f3ff05d41f9155407bd8f7a9262a75"`
Sep 19 19:01:51.523 INFO blam! 53ae24e764dd8c97c004c0612980d07433f3ff05d41f9155407bd8f7a9262a75