Dec 11 19:36:09.425 INFO checking djmitche/rust-chat against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 19:36:09.425 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 11 19:36:09.744 INFO [stdout] 5c49f363f4f154433ba22735be585b4641adef2ef340131f35cd171efa8895ac
Dec 11 19:36:09.752 INFO running `"docker" "start" "-a" "5c49f363f4f154433ba22735be585b4641adef2ef340131f35cd171efa8895ac"`
Dec 11 19:36:11.688 INFO [stderr] usermod: no changes
Dec 11 19:36:11.823 INFO [stderr]     Checking chat v0.1.0 (/source)
Dec 11 19:36:13.373 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 11 19:36:13.373 INFO [stderr]    --> src/main.rs:103:64
Dec 11 19:36:13.373 INFO [stderr]     |
Dec 11 19:36:13.373 INFO [stderr] 103 |             Box::new(writer_fut.select(reader_fut).then(|_| Ok((()))).map(
Dec 11 19:36:13.373 INFO [stderr]     |                                                                ^^^^ help: remove these parentheses
Dec 11 19:36:13.373 INFO [stderr]     |
Dec 11 19:36:13.373 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 11 19:36:13.373 INFO [stderr] 
Dec 11 19:36:13.379 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 11 19:36:13.379 INFO [stderr]    --> src/main.rs:103:64
Dec 11 19:36:13.379 INFO [stderr]     |
Dec 11 19:36:13.379 INFO [stderr] 103 |             Box::new(writer_fut.select(reader_fut).then(|_| Ok((()))).map(
Dec 11 19:36:13.379 INFO [stderr]     |                                                                ^^^^ help: remove these parentheses
Dec 11 19:36:13.379 INFO [stderr]     |
Dec 11 19:36:13.379 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 11 19:36:13.379 INFO [stderr] 
Dec 11 19:36:13.685 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.98s
Dec 11 19:36:13.694 INFO [stderr] su: No module specific data is present
Dec 11 19:36:14.198 INFO running `"docker" "inspect" "5c49f363f4f154433ba22735be585b4641adef2ef340131f35cd171efa8895ac"`
Dec 11 19:36:14.338 INFO running `"docker" "rm" "-f" "5c49f363f4f154433ba22735be585b4641adef2ef340131f35cd171efa8895ac"`
Dec 11 19:36:14.461 INFO [stdout] 5c49f363f4f154433ba22735be585b4641adef2ef340131f35cd171efa8895ac