Dec 17 15:31:23.980 INFO checking shmup/chat against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 15:31:23.980 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/shmup/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 15:31:24.586 INFO [stdout] 36ded2594003d0f33eee0aff858649f221f39d4e2c0c9eddc299303f821abc6b
Dec 17 15:31:24.588 INFO running `"docker" "start" "-a" "36ded2594003d0f33eee0aff858649f221f39d4e2c0c9eddc299303f821abc6b"`
Dec 17 15:31:26.840 INFO [stderr]     Checking chat v0.0.1 (/opt/crater/workdir)
Dec 17 15:31:27.212 INFO [stderr] warning: unused import: `std::sync::mpsc::channel`
Dec 17 15:31:27.213 INFO [stderr]  --> src/main.rs:5:5
Dec 17 15:31:27.213 INFO [stderr]   |
Dec 17 15:31:27.213 INFO [stderr] 5 | use std::sync::mpsc::channel;
Dec 17 15:31:27.213 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:31:27.213 INFO [stderr]   |
Dec 17 15:31:27.213 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 15:31:27.213 INFO [stderr] 
Dec 17 15:31:27.264 INFO [stderr] warning: unused import: `std::sync::mpsc::channel`
Dec 17 15:31:27.264 INFO [stderr]  --> src/main.rs:5:5
Dec 17 15:31:27.264 INFO [stderr]   |
Dec 17 15:31:27.264 INFO [stderr] 5 | use std::sync::mpsc::channel;
Dec 17 15:31:27.264 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:31:27.272 INFO [stderr]   |
Dec 17 15:31:27.272 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 15:31:27.272 INFO [stderr] 
Dec 17 15:31:27.320 INFO [stderr] warning: method is never used: `new`
Dec 17 15:31:27.320 INFO [stderr]   --> src/main.rs:12:5
Dec 17 15:31:27.320 INFO [stderr]    |
Dec 17 15:31:27.320 INFO [stderr] 12 |     fn new(stream: TcpStream) -> Client {
Dec 17 15:31:27.320 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:31:27.320 INFO [stderr]    |
Dec 17 15:31:27.320 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 15:31:27.320 INFO [stderr] 
Dec 17 15:31:27.324 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 15:31:27.324 INFO [stderr]   --> src/main.rs:32:9
Dec 17 15:31:27.324 INFO [stderr]    |
Dec 17 15:31:27.324 INFO [stderr] 32 |         self.stream.write(&mut buffer);
Dec 17 15:31:27.324 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:31:27.324 INFO [stderr]    |
Dec 17 15:31:27.324 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 15:31:27.324 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 15:31:27.324 INFO [stderr] 
Dec 17 15:31:27.344 INFO [stderr] warning: method is never used: `new`
Dec 17 15:31:27.344 INFO [stderr]   --> src/main.rs:12:5
Dec 17 15:31:27.344 INFO [stderr]    |
Dec 17 15:31:27.344 INFO [stderr] 12 |     fn new(stream: TcpStream) -> Client {
Dec 17 15:31:27.344 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:31:27.344 INFO [stderr]    |
Dec 17 15:31:27.344 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 15:31:27.344 INFO [stderr] 
Dec 17 15:31:27.352 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 15:31:27.352 INFO [stderr]   --> src/main.rs:32:9
Dec 17 15:31:27.352 INFO [stderr]    |
Dec 17 15:31:27.352 INFO [stderr] 32 |         self.stream.write(&mut buffer);
Dec 17 15:31:27.352 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:31:27.352 INFO [stderr]    |
Dec 17 15:31:27.352 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 15:31:27.352 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 15:31:27.352 INFO [stderr] 
Dec 17 15:31:27.400 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
Dec 17 15:31:28.084 INFO running `"docker" "inspect" "36ded2594003d0f33eee0aff858649f221f39d4e2c0c9eddc299303f821abc6b"`
Dec 17 15:31:28.318 INFO running `"docker" "rm" "-f" "36ded2594003d0f33eee0aff858649f221f39d4e2c0c9eddc299303f821abc6b"`
Dec 17 15:31:28.622 INFO [stdout] 36ded2594003d0f33eee0aff858649f221f39d4e2c0c9eddc299303f821abc6b