Sep 04 01:31:06.040 INFO checking stream-combinators-0.1.0 against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893
Sep 04 01:31:06.040 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets
Sep 04 01:31:06.041 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-0/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/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 +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 01:31:06.272 INFO blam! ec592f87e5948684334db40bb2d763a621bce080902c8090ef47364b75c2a8d5
Sep 04 01:31:06.273 INFO running `"docker" "start" "-a" "ec592f87e5948684334db40bb2d763a621bce080902c8090ef47364b75c2a8d5"`
Sep 04 01:31:07.392 INFO kablam!     Checking tokio-stdin v0.1.1
Sep 04 01:31:07.392 INFO kablam!     Checking stream-combinators v0.1.0 (file:///source)
Sep 04 01:31:08.411 INFO kablam! warning: unnecessary parentheses around function argument
Sep 04 01:31:08.411 INFO kablam!  --> examples/into_pairs.rs:9:41
Sep 04 01:31:08.411 INFO kablam!   |
Sep 04 01:31:08.411 INFO kablam! 9 |     let number_stream = iter_ok::<_,()>((0..6));
Sep 04 01:31:08.411 INFO kablam!   |                                         ^^^^^^ help: remove these parentheses
Sep 04 01:31:08.412 INFO kablam!   |
Sep 04 01:31:08.412 INFO kablam!   = note: #[warn(unused_parens)] on by default
Sep 04 01:31:08.412 INFO kablam! 
Sep 04 01:31:10.322 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.08s
Sep 04 01:31:10.328 INFO kablam! su: No module specific data is present
Sep 04 01:31:10.724 INFO running `"docker" "rm" "-f" "ec592f87e5948684334db40bb2d763a621bce080902c8090ef47364b75c2a8d5"`
Sep 04 01:31:10.828 INFO blam! ec592f87e5948684334db40bb2d763a621bce080902c8090ef47364b75c2a8d5