Sep 01 20:19:43.341 INFO checking futures-0.1.23 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 20:19:43.341 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 20:19:43.341 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-1/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/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 +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 20:19:43.478 INFO blam! a5d300b1a10b9340d5fbe0a8223ff055e124512d16fe933705391619a0eff9e5
Sep 01 20:19:43.480 INFO running `"docker" "start" "-a" "a5d300b1a10b9340d5fbe0a8223ff055e124512d16fe933705391619a0eff9e5"`
Sep 01 20:19:44.160 INFO kablam!     Checking futures v0.1.23 (file:///source)
Sep 01 20:19:56.848 INFO kablam! warning: unnecessary parentheses around function argument
Sep 01 20:19:56.848 INFO kablam!   --> tests/bilock.rs:62:38
Sep 01 20:19:56.848 INFO kablam!    |
Sep 01 20:19:56.848 INFO kablam! 62 |     let b = stream::iter_ok::<_, ()>((0..N)).fold(b, |b, _n| {
Sep 01 20:19:56.849 INFO kablam!    |                                      ^^^^^^ help: remove these parentheses
Sep 01 20:19:56.872 INFO kablam!    |
Sep 01 20:19:56.873 INFO kablam!    = note: #[warn(unused_parens)] on by default
Sep 01 20:19:56.873 INFO kablam! 
Sep 01 20:20:04.361 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 20.22s
Sep 01 20:20:04.407 INFO kablam! su: No module specific data is present
Sep 01 20:20:04.994 INFO running `"docker" "rm" "-f" "a5d300b1a10b9340d5fbe0a8223ff055e124512d16fe933705391619a0eff9e5"`
Sep 01 20:20:05.119 INFO blam! a5d300b1a10b9340d5fbe0a8223ff055e124512d16fe933705391619a0eff9e5