Sep 19 19:01:50.458 INFO checking threading-0.1.2 against try#135b4cd023a753409d01e43b0f23d22a899feeeb for pr-54352
Sep 19 19:01:50.459 INFO running: cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets
Sep 19 19:01:50.459 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54352/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-0/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/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 +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 19:01:50.662 INFO blam! 34eda79946d03d7dbb227be42f0d005eb85cc4c0f8a723bdd34087e84c941c3e
Sep 19 19:01:50.664 INFO running `"docker" "start" "-a" "34eda79946d03d7dbb227be42f0d005eb85cc4c0f8a723bdd34087e84c941c3e"`
Sep 19 19:01:52.231 INFO kablam! usermod: no changes
Sep 19 19:01:52.277 INFO kablam!     Checking threading v0.1.2 (/source)
Sep 19 19:01:52.558 INFO kablam! warning: unused arithmetic operation which must be used
Sep 19 19:01:52.558 INFO kablam!    --> src/lib.rs:165:13
Sep 19 19:01:52.558 INFO kablam!     |
Sep 19 19:01:52.558 INFO kablam! 165 |             i * i;
Sep 19 19:01:52.558 INFO kablam!     |             ^^^^^
Sep 19 19:01:52.558 INFO kablam!     |
Sep 19 19:01:52.558 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 19 19:01:52.558 INFO kablam! 
Sep 19 19:01:52.569 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
Sep 19 19:01:52.571 INFO kablam! su: No module specific data is present
Sep 19 19:01:53.145 INFO running `"docker" "rm" "-f" "34eda79946d03d7dbb227be42f0d005eb85cc4c0f8a723bdd34087e84c941c3e"`
Sep 19 19:01:53.253 INFO blam! 34eda79946d03d7dbb227be42f0d005eb85cc4c0f8a723bdd34087e84c941c3e