Sep 01 20:19:43.732 INFO checking futures-0.1.23 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 20:19:43.732 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 20:19:43.733 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-0/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 20:19:43.894 INFO blam! cf5df3e76bd8e8b681b7a41e208dc269500d1cee447592588eff1df99b1a275f
Sep 01 20:19:43.896 INFO running `"docker" "start" "-a" "cf5df3e76bd8e8b681b7a41e208dc269500d1cee447592588eff1df99b1a275f"`
Sep 01 20:19:44.724 INFO kablam!     Checking futures v0.1.23 (file:///source)
Sep 01 20:19:54.314 INFO kablam! warning: unnecessary parentheses around function argument
Sep 01 20:19:54.314 INFO kablam!   --> tests/bilock.rs:62:38
Sep 01 20:19:54.314 INFO kablam!    |
Sep 01 20:19:54.314 INFO kablam! 62 |     let b = stream::iter_ok::<_, ()>((0..N)).fold(b, |b, _n| {
Sep 01 20:19:54.314 INFO kablam!    |                                      ^^^^^^ help: remove these parentheses
Sep 01 20:19:54.314 INFO kablam!    |
Sep 01 20:19:54.314 INFO kablam!    = note: #[warn(unused_parens)] on by default
Sep 01 20:19:54.314 INFO kablam! 
Sep 01 20:20:04.949 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 20.25s
Sep 01 20:20:04.980 INFO kablam! su: No module specific data is present
Sep 01 20:20:05.501 INFO running `"docker" "rm" "-f" "cf5df3e76bd8e8b681b7a41e208dc269500d1cee447592588eff1df99b1a275f"`
Sep 01 20:20:05.626 INFO blam! cf5df3e76bd8e8b681b7a41e208dc269500d1cee447592588eff1df99b1a275f