Sep 01 04:59:01.833 INFO checking stream-combinators-0.1.0 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831 Sep 01 04:59:01.833 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets Sep 01 04:59:01.833 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-2/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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=500" "-e" "CMD=cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"` Sep 01 04:59:02.034 INFO blam! d4c5e4b12100e6904897cef3db2a2177b7ea06a113a06a1056f852ef2ca0fed3 Sep 01 04:59:02.036 INFO running `"docker" "start" "-a" "d4c5e4b12100e6904897cef3db2a2177b7ea06a113a06a1056f852ef2ca0fed3"` Sep 01 04:59:02.714 INFO kablam! Checking stream-combinators v0.1.0 (file:///source) Sep 01 04:59:02.715 INFO kablam! Checking tokio-stdin v0.1.1 Sep 01 04:59:03.773 INFO kablam! warning: unnecessary parentheses around function argument Sep 01 04:59:03.773 INFO kablam! --> examples/into_pairs.rs:9:41 Sep 01 04:59:03.773 INFO kablam! | Sep 01 04:59:03.773 INFO kablam! 9 | let number_stream = iter_ok::<_,()>((0..6)); Sep 01 04:59:03.773 INFO kablam! | ^^^^^^ help: remove these parentheses Sep 01 04:59:03.773 INFO kablam! | Sep 01 04:59:03.773 INFO kablam! = note: #[warn(unused_parens)] on by default Sep 01 04:59:03.773 INFO kablam! Sep 01 04:59:05.382 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 2.76s Sep 01 04:59:05.388 INFO kablam! su: No module specific data is present Sep 01 04:59:05.851 INFO running `"docker" "rm" "-f" "d4c5e4b12100e6904897cef3db2a2177b7ea06a113a06a1056f852ef2ca0fed3"` Sep 01 04:59:05.946 INFO blam! d4c5e4b12100e6904897cef3db2a2177b7ea06a113a06a1056f852ef2ca0fed3