Dec 18 01:17:33.117 INFO checking djmitche/rust-chat against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 01:17:33.117 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/djmitche/rust-chat:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 01:17:33.434 INFO [stdout] 6d44f4143bf984f7262c65af9ec3ea1fafa596d3bd9ebd7aa1fbc3eef9b821c9
Dec 18 01:17:33.436 INFO running `"docker" "start" "-a" "6d44f4143bf984f7262c65af9ec3ea1fafa596d3bd9ebd7aa1fbc3eef9b821c9"`
Dec 18 01:17:34.456 INFO [stderr]     Checking chat v0.1.0 (/opt/crater/workdir)
Dec 18 01:17:34.727 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 18 01:17:34.727 INFO [stderr]    --> src/main.rs:103:64
Dec 18 01:17:34.727 INFO [stderr]     |
Dec 18 01:17:34.727 INFO [stderr] 103 |             Box::new(writer_fut.select(reader_fut).then(|_| Ok((()))).map(
Dec 18 01:17:34.727 INFO [stderr]     |                                                                ^^^^ help: remove these parentheses
Dec 18 01:17:34.727 INFO [stderr]     |
Dec 18 01:17:34.727 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 18 01:17:34.727 INFO [stderr] 
Dec 18 01:17:34.743 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 18 01:17:34.743 INFO [stderr]    --> src/main.rs:103:64
Dec 18 01:17:34.743 INFO [stderr]     |
Dec 18 01:17:34.743 INFO [stderr] 103 |             Box::new(writer_fut.select(reader_fut).then(|_| Ok((()))).map(
Dec 18 01:17:34.743 INFO [stderr]     |                                                                ^^^^ help: remove these parentheses
Dec 18 01:17:34.743 INFO [stderr]     |
Dec 18 01:17:34.743 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 18 01:17:34.743 INFO [stderr] 
Dec 18 01:17:34.908 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
Dec 18 01:17:35.166 INFO running `"docker" "inspect" "6d44f4143bf984f7262c65af9ec3ea1fafa596d3bd9ebd7aa1fbc3eef9b821c9"`
Dec 18 01:17:35.237 INFO running `"docker" "rm" "-f" "6d44f4143bf984f7262c65af9ec3ea1fafa596d3bd9ebd7aa1fbc3eef9b821c9"`
Dec 18 01:17:35.309 INFO [stdout] 6d44f4143bf984f7262c65af9ec3ea1fafa596d3bd9ebd7aa1fbc3eef9b821c9