Sep 04 17:16:42.698 INFO checking futures-0.1.23 against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893
Sep 04 17:16:42.698 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets
Sep 04 17:16:42.698 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 17:16:42.871 INFO blam! b82c249bb9211362ff608e0c8bf3a3fd1db4983e6f774dc11e17022003a71603
Sep 04 17:16:42.873 INFO running `"docker" "start" "-a" "b82c249bb9211362ff608e0c8bf3a3fd1db4983e6f774dc11e17022003a71603"`
Sep 04 17:16:43.527 INFO kablam!     Checking futures v0.1.23 (file:///source)
Sep 04 17:16:54.982 INFO kablam! warning: unnecessary parentheses around function argument
Sep 04 17:16:54.982 INFO kablam!   --> tests/bilock.rs:62:38
Sep 04 17:16:54.982 INFO kablam!    |
Sep 04 17:16:54.982 INFO kablam! 62 |     let b = stream::iter_ok::<_, ()>((0..N)).fold(b, |b, _n| {
Sep 04 17:16:54.982 INFO kablam!    |                                      ^^^^^^ help: remove these parentheses
Sep 04 17:16:54.994 INFO kablam!    |
Sep 04 17:16:54.994 INFO kablam!    = note: #[warn(unused_parens)] on by default
Sep 04 17:16:54.995 INFO kablam! 
Sep 04 17:17:04.976 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 21.47s
Sep 04 17:17:05.014 INFO kablam! su: No module specific data is present
Sep 04 17:17:05.451 INFO running `"docker" "rm" "-f" "b82c249bb9211362ff608e0c8bf3a3fd1db4983e6f774dc11e17022003a71603"`
Sep 04 17:17:05.577 INFO blam! b82c249bb9211362ff608e0c8bf3a3fd1db4983e6f774dc11e17022003a71603