Sep 18 00:27:35.089 INFO checking futures-0.1.23 against master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690 for pr-54033 Sep 18 00:27:35.089 INFO running: cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets Sep 18 00:27:35.089 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 18 00:27:35.243 INFO blam! c5f59f6ab1babfc058eb4a3f1042ad429dfbf21cbe617499868d78bb90aadc1d Sep 18 00:27:35.245 INFO running `"docker" "start" "-a" "c5f59f6ab1babfc058eb4a3f1042ad429dfbf21cbe617499868d78bb90aadc1d"` Sep 18 00:27:36.527 INFO kablam! usermod: no changes Sep 18 00:27:36.619 INFO kablam! Checking futures v0.1.23 (/source) Sep 18 00:27:41.649 INFO kablam! warning: unnecessary parentheses around function argument Sep 18 00:27:41.649 INFO kablam! --> tests/bilock.rs:62:38 Sep 18 00:27:41.649 INFO kablam! | Sep 18 00:27:41.649 INFO kablam! 62 | let b = stream::iter_ok::<_, ()>((0..N)).fold(b, |b, _n| { Sep 18 00:27:41.649 INFO kablam! | ^^^^^^ help: remove these parentheses Sep 18 00:27:41.649 INFO kablam! | Sep 18 00:27:41.650 INFO kablam! = note: #[warn(unused_parens)] on by default Sep 18 00:27:41.650 INFO kablam! Sep 18 00:27:47.491 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 10.94s Sep 18 00:27:47.509 INFO kablam! su: No module specific data is present Sep 18 00:27:47.995 INFO running `"docker" "rm" "-f" "c5f59f6ab1babfc058eb4a3f1042ad429dfbf21cbe617499868d78bb90aadc1d"` Sep 18 00:27:48.058 INFO blam! c5f59f6ab1babfc058eb4a3f1042ad429dfbf21cbe617499868d78bb90aadc1d