Sep 17 16:05:56.039 INFO checking threading-0.1.2 against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 17 16:05:56.039 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 17 16:05:56.039 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-7/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/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 +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 16:05:56.164 INFO blam! fd32175a443d20fcdd8974823f6583261488e5293fbf49ce874971320f5de56d
Sep 17 16:05:56.167 INFO running `"docker" "start" "-a" "fd32175a443d20fcdd8974823f6583261488e5293fbf49ce874971320f5de56d"`
Sep 17 16:05:57.295 INFO kablam! usermod: no changes
Sep 17 16:05:57.315 INFO kablam!     Checking threading v0.1.2 (/source)
Sep 17 16:05:57.495 INFO kablam! warning: unused arithmetic operation which must be used
Sep 17 16:05:57.495 INFO kablam!    --> src/lib.rs:165:13
Sep 17 16:05:57.495 INFO kablam!     |
Sep 17 16:05:57.495 INFO kablam! 165 |             i * i;
Sep 17 16:05:57.495 INFO kablam!     |             ^^^^^
Sep 17 16:05:57.495 INFO kablam!     |
Sep 17 16:05:57.495 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 17 16:05:57.495 INFO kablam! 
Sep 17 16:05:57.507 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
Sep 17 16:05:57.509 INFO kablam! su: No module specific data is present
Sep 17 16:05:58.097 INFO running `"docker" "rm" "-f" "fd32175a443d20fcdd8974823f6583261488e5293fbf49ce874971320f5de56d"`
Sep 17 16:05:58.191 INFO blam! fd32175a443d20fcdd8974823f6583261488e5293fbf49ce874971320f5de56d