Dec 11 09:37:04.162 INFO checking shmup/chat against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 09:37:04.162 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 09:37:04.730 INFO [stdout] 335241961cbadd2d2ee0312afadfccf3cfb3a89bff21e933c4b5d90f4b1ebdea
Dec 11 09:37:04.734 INFO running `"docker" "start" "-a" "335241961cbadd2d2ee0312afadfccf3cfb3a89bff21e933c4b5d90f4b1ebdea"`
Dec 11 09:37:05.924 INFO [stderr] usermod: no changes
Dec 11 09:37:05.995 INFO [stderr]     Checking chat v0.0.1 (/source)
Dec 11 09:37:06.304 INFO [stderr] warning: unused import: `std::sync::mpsc::channel`
Dec 11 09:37:06.304 INFO [stderr]  --> src/main.rs:5:5
Dec 11 09:37:06.304 INFO [stderr]   |
Dec 11 09:37:06.304 INFO [stderr] 5 | use std::sync::mpsc::channel;
Dec 11 09:37:06.304 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 09:37:06.304 INFO [stderr]   |
Dec 11 09:37:06.304 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 09:37:06.304 INFO [stderr] 
Dec 11 09:37:06.360 INFO [stderr] warning: unused import: `std::sync::mpsc::channel`
Dec 11 09:37:06.360 INFO [stderr]  --> src/main.rs:5:5
Dec 11 09:37:06.360 INFO [stderr]   |
Dec 11 09:37:06.360 INFO [stderr] 5 | use std::sync::mpsc::channel;
Dec 11 09:37:06.360 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 09:37:06.360 INFO [stderr]   |
Dec 11 09:37:06.360 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 09:37:06.360 INFO [stderr] 
Dec 11 09:37:06.384 INFO [stderr] warning: method is never used: `new`
Dec 11 09:37:06.384 INFO [stderr]   --> src/main.rs:12:5
Dec 11 09:37:06.384 INFO [stderr]    |
Dec 11 09:37:06.384 INFO [stderr] 12 |     fn new(stream: TcpStream) -> Client {
Dec 11 09:37:06.384 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 09:37:06.384 INFO [stderr]    |
Dec 11 09:37:06.384 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 09:37:06.384 INFO [stderr] 
Dec 11 09:37:06.392 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 09:37:06.392 INFO [stderr]   --> src/main.rs:32:9
Dec 11 09:37:06.392 INFO [stderr]    |
Dec 11 09:37:06.392 INFO [stderr] 32 |         self.stream.write(&mut buffer);
Dec 11 09:37:06.392 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 09:37:06.392 INFO [stderr]    |
Dec 11 09:37:06.392 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 09:37:06.392 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 09:37:06.392 INFO [stderr] 
Dec 11 09:37:06.476 INFO [stderr] warning: method is never used: `new`
Dec 11 09:37:06.476 INFO [stderr]   --> src/main.rs:12:5
Dec 11 09:37:06.476 INFO [stderr]    |
Dec 11 09:37:06.476 INFO [stderr] 12 |     fn new(stream: TcpStream) -> Client {
Dec 11 09:37:06.476 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 09:37:06.476 INFO [stderr]    |
Dec 11 09:37:06.476 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 09:37:06.476 INFO [stderr] 
Dec 11 09:37:06.488 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 09:37:06.488 INFO [stderr]   --> src/main.rs:32:9
Dec 11 09:37:06.488 INFO [stderr]    |
Dec 11 09:37:06.488 INFO [stderr] 32 |         self.stream.write(&mut buffer);
Dec 11 09:37:06.488 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 09:37:06.488 INFO [stderr]    |
Dec 11 09:37:06.488 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 09:37:06.488 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 09:37:06.488 INFO [stderr] 
Dec 11 09:37:06.532 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
Dec 11 09:37:06.536 INFO [stderr] su: No module specific data is present
Dec 11 09:37:07.812 INFO running `"docker" "inspect" "335241961cbadd2d2ee0312afadfccf3cfb3a89bff21e933c4b5d90f4b1ebdea"`
Dec 11 09:37:08.124 INFO running `"docker" "rm" "-f" "335241961cbadd2d2ee0312afadfccf3cfb3a89bff21e933c4b5d90f4b1ebdea"`
Dec 11 09:37:08.344 INFO [stdout] 335241961cbadd2d2ee0312afadfccf3cfb3a89bff21e933c4b5d90f4b1ebdea