Sep 14 16:20:36.086 INFO checking futures-0.1.23 against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 16:20:36.086 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 16:20:36.086 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-3/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/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=1000" "-e" "CMD=cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 16:20:36.209 INFO blam! 94ad6a5d14d8b2c089ab3e09e3972511f037b569f377ebac86b2c8aea0988003
Sep 14 16:20:36.210 INFO running `"docker" "start" "-a" "94ad6a5d14d8b2c089ab3e09e3972511f037b569f377ebac86b2c8aea0988003"`
Sep 14 16:20:37.398 INFO kablam! usermod: no changes
Sep 14 16:20:37.447 INFO kablam!     Checking futures v0.1.23 (file:///source)
Sep 14 16:20:47.022 INFO kablam! warning: unnecessary parentheses around function argument
Sep 14 16:20:47.022 INFO kablam!   --> tests/bilock.rs:62:38
Sep 14 16:20:47.022 INFO kablam!    |
Sep 14 16:20:47.022 INFO kablam! 62 |     let b = stream::iter_ok::<_, ()>((0..N)).fold(b, |b, _n| {
Sep 14 16:20:47.022 INFO kablam!    |                                      ^^^^^^ help: remove these parentheses
Sep 14 16:20:47.022 INFO kablam!    |
Sep 14 16:20:47.022 INFO kablam!    = note: #[warn(unused_parens)] on by default
Sep 14 16:20:47.022 INFO kablam! 
Sep 14 16:20:48.166 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 10.74s
Sep 14 16:20:48.184 INFO kablam! su: No module specific data is present
Sep 14 16:20:49.033 INFO running `"docker" "rm" "-f" "94ad6a5d14d8b2c089ab3e09e3972511f037b569f377ebac86b2c8aea0988003"`
Sep 14 16:20:49.103 INFO blam! 94ad6a5d14d8b2c089ab3e09e3972511f037b569f377ebac86b2c8aea0988003