Sep 17 20:09:12.920 INFO checking peepable-0.1.1 against master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690 for pr-54033
Sep 17 20:09:12.920 INFO running: cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets
Sep 17 20:09:12.920 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54033/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-5/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 20:09:13.212 INFO blam! b0b4b86857ff9c2daf9c3fdba5f9170051670afc6282fadcad076fa455882547
Sep 17 20:09:13.215 INFO running `"docker" "start" "-a" "b0b4b86857ff9c2daf9c3fdba5f9170051670afc6282fadcad076fa455882547"`
Sep 17 20:09:14.221 INFO kablam! usermod: no changes
Sep 17 20:09:14.239 INFO kablam!     Checking peepable v0.1.1 (/source)
Sep 17 20:09:14.514 INFO kablam! warning: unnecessary parentheses around function argument
Sep 17 20:09:14.515 INFO kablam!    --> src/lib.rs:149:34
Sep 17 20:09:14.515 INFO kablam!     |
Sep 17 20:09:14.515 INFO kablam! 149 |         let iter = Peepable::new((0..4));
Sep 17 20:09:14.515 INFO kablam!     |                                  ^^^^^^ help: remove these parentheses
Sep 17 20:09:14.515 INFO kablam!     |
Sep 17 20:09:14.515 INFO kablam!     = note: #[warn(unused_parens)] on by default
Sep 17 20:09:14.515 INFO kablam! 
Sep 17 20:09:14.837 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
Sep 17 20:09:14.838 INFO kablam! su: No module specific data is present
Sep 17 20:09:15.321 INFO running `"docker" "rm" "-f" "b0b4b86857ff9c2daf9c3fdba5f9170051670afc6282fadcad076fa455882547"`
Sep 17 20:09:15.473 INFO blam! b0b4b86857ff9c2daf9c3fdba5f9170051670afc6282fadcad076fa455882547