Sep 14 07:45:10.678 INFO checking threading-0.1.2 against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 07:45:10.678 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 07:45:10.678 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-3/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/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 +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 07:45:10.824 INFO blam! feda2e602fbd4cbd52270ea7f2ac84c541a76191b61b6c423abecbb67b19395e
Sep 14 07:45:10.825 INFO running `"docker" "start" "-a" "feda2e602fbd4cbd52270ea7f2ac84c541a76191b61b6c423abecbb67b19395e"`
Sep 14 07:45:11.651 INFO kablam! usermod: no changes
Sep 14 07:45:11.691 INFO kablam!     Checking threading v0.1.2 (file:///source)
Sep 14 07:45:11.998 INFO kablam! warning: unused arithmetic operation which must be used
Sep 14 07:45:11.998 INFO kablam!    --> src/lib.rs:165:13
Sep 14 07:45:11.998 INFO kablam!     |
Sep 14 07:45:11.998 INFO kablam! 165 |             i * i;
Sep 14 07:45:11.998 INFO kablam!     |             ^^^^^
Sep 14 07:45:11.998 INFO kablam!     |
Sep 14 07:45:11.998 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 14 07:45:11.998 INFO kablam! 
Sep 14 07:45:12.012 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
Sep 14 07:45:12.015 INFO kablam! su: No module specific data is present
Sep 14 07:45:12.463 INFO running `"docker" "rm" "-f" "feda2e602fbd4cbd52270ea7f2ac84c541a76191b61b6c423abecbb67b19395e"`
Sep 14 07:45:12.531 INFO blam! feda2e602fbd4cbd52270ea7f2ac84c541a76191b61b6c423abecbb67b19395e