Dec 12 14:47:20.480 INFO checking futures-0.1.25 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 14:47:20.480 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 14:47:20.743 INFO [stdout] c11050a82d90ce72a54865c3b0d451a4c8986d208bc0e245888e33b77e60bdda
Dec 12 14:47:20.746 INFO running `"docker" "start" "-a" "c11050a82d90ce72a54865c3b0d451a4c8986d208bc0e245888e33b77e60bdda"`
Dec 12 14:47:21.432 INFO [stderr] usermod: no changes
Dec 12 14:47:21.537 INFO [stderr]     Checking futures v0.1.25 (/source)
Dec 12 14:47:28.996 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 14:47:28.997 INFO [stderr]  --> benches/sync_mpsc.rs:3:1
Dec 12 14:47:28.997 INFO [stderr]   |
Dec 12 14:47:28.997 INFO [stderr] 3 | #[macro_use]
Dec 12 14:47:28.997 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 14:47:28.998 INFO [stderr]   |
Dec 12 14:47:28.998 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 14:47:28.998 INFO [stderr] 
Dec 12 14:47:39.892 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 12 14:47:39.892 INFO [stderr]   --> tests/bilock.rs:62:38
Dec 12 14:47:39.892 INFO [stderr]    |
Dec 12 14:47:39.892 INFO [stderr] 62 |     let b = stream::iter_ok::<_, ()>((0..N)).fold(b, |b, _n| {
Dec 12 14:47:39.892 INFO [stderr]    |                                      ^^^^^^ help: remove these parentheses
Dec 12 14:47:39.892 INFO [stderr]    |
Dec 12 14:47:39.892 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 12 14:47:39.892 INFO [stderr] 
Dec 12 14:47:44.068 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.57s
Dec 12 14:47:44.098 INFO [stderr] su: No module specific data is present
Dec 12 14:47:44.763 INFO running `"docker" "inspect" "c11050a82d90ce72a54865c3b0d451a4c8986d208bc0e245888e33b77e60bdda"`
Dec 12 14:47:45.048 INFO running `"docker" "rm" "-f" "c11050a82d90ce72a54865c3b0d451a4c8986d208bc0e245888e33b77e60bdda"`
Dec 12 14:47:45.400 INFO [stdout] c11050a82d90ce72a54865c3b0d451a4c8986d208bc0e245888e33b77e60bdda