Sep 21 01:51:53.769 INFO checking threading-0.1.2 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 01:51:53.769 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 01:51:53.769 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-2/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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 +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 01:51:53.942 INFO blam! ace4f4246d7f127dd026b150f2c1222d70ba9552ca79288808c1f1e72dfcc031
Sep 21 01:51:53.943 INFO running `"docker" "start" "-a" "ace4f4246d7f127dd026b150f2c1222d70ba9552ca79288808c1f1e72dfcc031"`
Sep 21 01:51:54.749 INFO kablam! usermod: no changes
Sep 21 01:51:54.782 INFO kablam!     Checking threading v0.1.2 (/source)
Sep 21 01:51:55.031 INFO kablam! warning: unused arithmetic operation which must be used
Sep 21 01:51:55.031 INFO kablam!    --> src/lib.rs:165:13
Sep 21 01:51:55.031 INFO kablam!     |
Sep 21 01:51:55.031 INFO kablam! 165 |             i * i;
Sep 21 01:51:55.031 INFO kablam!     |             ^^^^^
Sep 21 01:51:55.031 INFO kablam!     |
Sep 21 01:51:55.031 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 21 01:51:55.031 INFO kablam! 
Sep 21 01:51:55.042 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
Sep 21 01:51:55.045 INFO kablam! su: No module specific data is present
Sep 21 01:51:55.737 INFO running `"docker" "rm" "-f" "ace4f4246d7f127dd026b150f2c1222d70ba9552ca79288808c1f1e72dfcc031"`
Sep 21 01:51:55.799 INFO blam! ace4f4246d7f127dd026b150f2c1222d70ba9552ca79288808c1f1e72dfcc031