Sep 04 04:50:59.717 INFO checking stream-combinators-0.1.0 against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 04 04:50:59.717 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 04 04:50:59.717 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-3/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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 +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 04:50:59.872 INFO blam! 4f78ab50fa61b77712d62de9b464f5d9a88845aa8c625b9bd99e79777951da45
Sep 04 04:50:59.877 INFO running `"docker" "start" "-a" "4f78ab50fa61b77712d62de9b464f5d9a88845aa8c625b9bd99e79777951da45"`
Sep 04 04:51:00.956 INFO kablam!     Checking stream-combinators v0.1.0 (file:///source)
Sep 04 04:51:00.956 INFO kablam!     Checking tokio-stdin v0.1.1
Sep 04 04:51:01.926 INFO kablam! warning: unnecessary parentheses around function argument
Sep 04 04:51:01.926 INFO kablam!  --> examples/into_pairs.rs:9:41
Sep 04 04:51:01.926 INFO kablam!   |
Sep 04 04:51:01.926 INFO kablam! 9 |     let number_stream = iter_ok::<_,()>((0..6));
Sep 04 04:51:01.926 INFO kablam!   |                                         ^^^^^^ help: remove these parentheses
Sep 04 04:51:01.927 INFO kablam!   |
Sep 04 04:51:01.927 INFO kablam!   = note: #[warn(unused_parens)] on by default
Sep 04 04:51:01.927 INFO kablam! 
Sep 04 04:51:03.579 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.72s
Sep 04 04:51:03.587 INFO kablam! su: No module specific data is present
Sep 04 04:51:04.077 INFO running `"docker" "rm" "-f" "4f78ab50fa61b77712d62de9b464f5d9a88845aa8c625b9bd99e79777951da45"`
Sep 04 04:51:04.157 INFO blam! 4f78ab50fa61b77712d62de9b464f5d9a88845aa8c625b9bd99e79777951da45