Sep 19 17:00:23.002 INFO checking threading-0.1.2 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 19 17:00:23.002 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 19 17:00:23.002 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-6/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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 +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 17:00:23.140 INFO blam! ab09da0ce008a042237461a1d694f665bb35a873e8ac87ff0fae9fc43343984f
Sep 19 17:00:23.150 INFO running `"docker" "start" "-a" "ab09da0ce008a042237461a1d694f665bb35a873e8ac87ff0fae9fc43343984f"`
Sep 19 17:00:23.941 INFO kablam! usermod: no changes
Sep 19 17:00:23.963 INFO kablam!     Checking threading v0.1.2 (/source)
Sep 19 17:00:24.240 INFO kablam! warning: unused arithmetic operation which must be used
Sep 19 17:00:24.240 INFO kablam!    --> src/lib.rs:165:13
Sep 19 17:00:24.240 INFO kablam!     |
Sep 19 17:00:24.240 INFO kablam! 165 |             i * i;
Sep 19 17:00:24.240 INFO kablam!     |             ^^^^^
Sep 19 17:00:24.240 INFO kablam!     |
Sep 19 17:00:24.240 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 19 17:00:24.240 INFO kablam! 
Sep 19 17:00:24.253 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
Sep 19 17:00:24.254 INFO kablam! su: No module specific data is present
Sep 19 17:00:24.773 INFO running `"docker" "rm" "-f" "ab09da0ce008a042237461a1d694f665bb35a873e8ac87ff0fae9fc43343984f"`
Sep 19 17:00:24.868 INFO blam! ab09da0ce008a042237461a1d694f665bb35a873e8ac87ff0fae9fc43343984f