Sep 14 07:45:10.317 INFO checking threading-0.1.2 against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 07:45:10.317 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 07:45:10.317 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-7/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 07:45:10.475 INFO blam! fa08437c7b47c33fb8b54407b1d7f8a4e20bfd05340b2109b4729f0e24fa16c4
Sep 14 07:45:10.476 INFO running `"docker" "start" "-a" "fa08437c7b47c33fb8b54407b1d7f8a4e20bfd05340b2109b4729f0e24fa16c4"`
Sep 14 07:45:11.695 INFO kablam! usermod: no changes
Sep 14 07:45:11.731 INFO kablam!     Checking threading v0.1.2 (file:///source)
Sep 14 07:45:12.014 INFO kablam! warning: unused arithmetic operation which must be used
Sep 14 07:45:12.014 INFO kablam!    --> src/lib.rs:165:13
Sep 14 07:45:12.014 INFO kablam!     |
Sep 14 07:45:12.014 INFO kablam! 165 |             i * i;
Sep 14 07:45:12.014 INFO kablam!     |             ^^^^^
Sep 14 07:45:12.014 INFO kablam!     |
Sep 14 07:45:12.014 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 14 07:45:12.014 INFO kablam! 
Sep 14 07:45:12.090 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
Sep 14 07:45:12.092 INFO kablam! su: No module specific data is present
Sep 14 07:45:12.926 INFO running `"docker" "rm" "-f" "fa08437c7b47c33fb8b54407b1d7f8a4e20bfd05340b2109b4729f0e24fa16c4"`
Sep 14 07:45:12.979 INFO blam! fa08437c7b47c33fb8b54407b1d7f8a4e20bfd05340b2109b4729f0e24fa16c4