Sep 10 18:50:46.015 INFO checking futures-0.1.23 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 18:50:46.015 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 18:50:46.015 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-7/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 18:50:46.256 INFO blam! df5905e25ce844f89d0d427bb398fd2efc9ada6aa74b7b490e2b670e90626316
Sep 10 18:50:46.258 INFO running `"docker" "start" "-a" "df5905e25ce844f89d0d427bb398fd2efc9ada6aa74b7b490e2b670e90626316"`
Sep 10 18:50:46.847 INFO kablam! usermod: no changes
Sep 10 18:50:46.875 INFO kablam!     Checking futures v0.1.23 (file:///source)
Sep 10 18:50:57.842 INFO kablam! warning: unnecessary parentheses around function argument
Sep 10 18:50:57.842 INFO kablam!   --> tests/bilock.rs:62:38
Sep 10 18:50:57.842 INFO kablam!    |
Sep 10 18:50:57.842 INFO kablam! 62 |     let b = stream::iter_ok::<_, ()>((0..N)).fold(b, |b, _n| {
Sep 10 18:50:57.842 INFO kablam!    |                                      ^^^^^^ help: remove these parentheses
Sep 10 18:50:57.842 INFO kablam!    |
Sep 10 18:50:57.842 INFO kablam!    = note: #[warn(unused_parens)] on by default
Sep 10 18:50:57.842 INFO kablam! 
Sep 10 18:51:00.315 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 13.45s
Sep 10 18:51:00.335 INFO kablam! su: No module specific data is present
Sep 10 18:51:00.897 INFO running `"docker" "rm" "-f" "df5905e25ce844f89d0d427bb398fd2efc9ada6aa74b7b490e2b670e90626316"`
Sep 10 18:51:00.953 INFO blam! df5905e25ce844f89d0d427bb398fd2efc9ada6aa74b7b490e2b670e90626316