Sep 17 16:05:57.479 INFO checking threading-0.1.2 against master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690 for pr-54033
Sep 17 16:05:57.479 INFO running: cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets
Sep 17 16:05:57.479 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54033/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-3/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/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 +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 16:05:57.614 INFO blam! d297b762a94d97b664a6ae30167d452f90f48a26ef384956819085229ff36b4d
Sep 17 16:05:57.616 INFO running `"docker" "start" "-a" "d297b762a94d97b664a6ae30167d452f90f48a26ef384956819085229ff36b4d"`
Sep 17 16:05:58.563 INFO kablam! usermod: no changes
Sep 17 16:05:58.592 INFO kablam!     Checking threading v0.1.2 (/source)
Sep 17 16:05:58.817 INFO kablam! warning: unused arithmetic operation which must be used
Sep 17 16:05:58.817 INFO kablam!    --> src/lib.rs:165:13
Sep 17 16:05:58.817 INFO kablam!     |
Sep 17 16:05:58.817 INFO kablam! 165 |             i * i;
Sep 17 16:05:58.817 INFO kablam!     |             ^^^^^
Sep 17 16:05:58.817 INFO kablam!     |
Sep 17 16:05:58.817 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 17 16:05:58.817 INFO kablam! 
Sep 17 16:05:58.843 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
Sep 17 16:05:58.847 INFO kablam! su: No module specific data is present
Sep 17 16:05:59.740 INFO running `"docker" "rm" "-f" "d297b762a94d97b664a6ae30167d452f90f48a26ef384956819085229ff36b4d"`
Sep 17 16:05:59.802 INFO blam! d297b762a94d97b664a6ae30167d452f90f48a26ef384956819085229ff36b4d