Aug 01 21:14:33.247 INFO checking stream-combinators-0.1.0 against 1.27.2 for lazy_static-1
Aug 01 21:14:33.247 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 21:14:33.247 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 21:14:33.247 INFO running `"docker" "create" "-v" "/tmp/crater.DUy1hJVN6Ib7:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-0/1.27.2:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 01 21:14:33.471 INFO blam! e3ede178aad561a98cb5a99187fdcac25d457a4c1f7382e1c7bfc282d9e204a3
Aug 01 21:14:33.474 INFO running `"docker" "start" "-a" "e3ede178aad561a98cb5a99187fdcac25d457a4c1f7382e1c7bfc282d9e204a3"`
Aug 01 21:14:34.692 INFO kablam!     Checking tokio-stdin v0.1.1
Aug 01 21:14:34.692 INFO kablam!     Checking stream-combinators v0.1.0 (file:///source)
Aug 01 21:14:36.258 INFO kablam! warning: unnecessary parentheses around function argument
Aug 01 21:14:36.258 INFO kablam!  --> examples/into_pairs.rs:9:41
Aug 01 21:14:36.258 INFO kablam!   |
Aug 01 21:14:36.258 INFO kablam! 9 |     let number_stream = iter_ok::<_,()>((0..6));
Aug 01 21:14:36.258 INFO kablam!   |                                         ^^^^^^ help: remove these parentheses
Aug 01 21:14:36.259 INFO kablam!   |
Aug 01 21:14:36.259 INFO kablam!   = note: #[warn(unused_parens)] on by default
Aug 01 21:14:36.259 INFO kablam! 
Aug 01 21:14:37.256 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.72s
Aug 01 21:14:37.263 INFO kablam! su: No module specific data is present
Aug 01 21:14:37.974 INFO running `"docker" "rm" "-f" "e3ede178aad561a98cb5a99187fdcac25d457a4c1f7382e1c7bfc282d9e204a3"`
Aug 01 21:14:38.116 INFO blam! e3ede178aad561a98cb5a99187fdcac25d457a4c1f7382e1c7bfc282d9e204a3