Sep 02 13:55:04.790 INFO checking futures-0.1.23 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 02 13:55:04.790 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 02 13:55:04.791 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-1/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 02 13:55:04.970 INFO blam! c53ce0c71e1e8c2d3362c470eeddcefdcb7f2a9abc17398e47aae27a3c9aee64
Sep 02 13:55:04.972 INFO running `"docker" "start" "-a" "c53ce0c71e1e8c2d3362c470eeddcefdcb7f2a9abc17398e47aae27a3c9aee64"`
Sep 02 13:55:05.687 INFO kablam!     Checking futures v0.1.23 (file:///source)
Sep 02 13:55:17.694 INFO kablam! warning: unnecessary parentheses around function argument
Sep 02 13:55:17.694 INFO kablam!   --> tests/bilock.rs:62:38
Sep 02 13:55:17.694 INFO kablam!    |
Sep 02 13:55:17.694 INFO kablam! 62 |     let b = stream::iter_ok::<_, ()>((0..N)).fold(b, |b, _n| {
Sep 02 13:55:17.694 INFO kablam!    |                                      ^^^^^^ help: remove these parentheses
Sep 02 13:55:17.695 INFO kablam!    |
Sep 02 13:55:17.695 INFO kablam!    = note: #[warn(unused_parens)] on by default
Sep 02 13:55:17.695 INFO kablam! 
Sep 02 13:55:26.967 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 21.35s
Sep 02 13:55:27.002 INFO kablam! su: No module specific data is present
Sep 02 13:55:27.418 INFO running `"docker" "rm" "-f" "c53ce0c71e1e8c2d3362c470eeddcefdcb7f2a9abc17398e47aae27a3c9aee64"`
Sep 02 13:55:27.534 INFO blam! c53ce0c71e1e8c2d3362c470eeddcefdcb7f2a9abc17398e47aae27a3c9aee64