Dec 19 08:54:33.473 INFO checking shmup/chat against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 08:54:33.473 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 08:54:33.962 INFO [stdout] 560453f7801336cc8e5f8ebc2ad1d406a745f58413cd4a2643a5b19ea91c7f62
Dec 19 08:54:33.964 INFO running `"docker" "start" "-a" "560453f7801336cc8e5f8ebc2ad1d406a745f58413cd4a2643a5b19ea91c7f62"`
Dec 19 08:54:36.668 INFO [stderr]     Checking chat v0.0.1 (/opt/crater/workdir)
Dec 19 08:54:37.071 INFO [stderr] warning: unused import: `std::sync::mpsc::channel`
Dec 19 08:54:37.071 INFO [stderr]  --> src/main.rs:5:5
Dec 19 08:54:37.071 INFO [stderr]   |
Dec 19 08:54:37.071 INFO [stderr] 5 | use std::sync::mpsc::channel;
Dec 19 08:54:37.071 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:54:37.071 INFO [stderr]   |
Dec 19 08:54:37.071 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 08:54:37.071 INFO [stderr] 
Dec 19 08:54:37.088 INFO [stderr] warning: unused import: `std::sync::mpsc::channel`
Dec 19 08:54:37.088 INFO [stderr]  --> src/main.rs:5:5
Dec 19 08:54:37.088 INFO [stderr]   |
Dec 19 08:54:37.088 INFO [stderr] 5 | use std::sync::mpsc::channel;
Dec 19 08:54:37.088 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:54:37.088 INFO [stderr]   |
Dec 19 08:54:37.088 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 08:54:37.088 INFO [stderr] 
Dec 19 08:54:37.168 INFO [stderr] warning: method is never used: `new`
Dec 19 08:54:37.168 INFO [stderr]   --> src/main.rs:12:5
Dec 19 08:54:37.168 INFO [stderr]    |
Dec 19 08:54:37.168 INFO [stderr] 12 |     fn new(stream: TcpStream) -> Client {
Dec 19 08:54:37.168 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:54:37.168 INFO [stderr]    |
Dec 19 08:54:37.168 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 08:54:37.168 INFO [stderr] 
Dec 19 08:54:37.168 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 08:54:37.168 INFO [stderr]   --> src/main.rs:32:9
Dec 19 08:54:37.169 INFO [stderr]    |
Dec 19 08:54:37.169 INFO [stderr] 32 |         self.stream.write(&mut buffer);
Dec 19 08:54:37.169 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:54:37.169 INFO [stderr]    |
Dec 19 08:54:37.169 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 08:54:37.169 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 08:54:37.169 INFO [stderr] 
Dec 19 08:54:37.251 INFO [stderr] warning: method is never used: `new`
Dec 19 08:54:37.252 INFO [stderr]   --> src/main.rs:12:5
Dec 19 08:54:37.252 INFO [stderr]    |
Dec 19 08:54:37.252 INFO [stderr] 12 |     fn new(stream: TcpStream) -> Client {
Dec 19 08:54:37.252 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:54:37.252 INFO [stderr]    |
Dec 19 08:54:37.252 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 08:54:37.252 INFO [stderr] 
Dec 19 08:54:37.268 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 08:54:37.268 INFO [stderr]   --> src/main.rs:32:9
Dec 19 08:54:37.268 INFO [stderr]    |
Dec 19 08:54:37.268 INFO [stderr] 32 |         self.stream.write(&mut buffer);
Dec 19 08:54:37.268 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:54:37.268 INFO [stderr]    |
Dec 19 08:54:37.268 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 08:54:37.268 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 08:54:37.268 INFO [stderr] 
Dec 19 08:54:37.320 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
Dec 19 08:54:38.484 INFO running `"docker" "inspect" "560453f7801336cc8e5f8ebc2ad1d406a745f58413cd4a2643a5b19ea91c7f62"`
Dec 19 08:54:38.808 INFO running `"docker" "rm" "-f" "560453f7801336cc8e5f8ebc2ad1d406a745f58413cd4a2643a5b19ea91c7f62"`
Dec 19 08:54:39.228 INFO [stdout] 560453f7801336cc8e5f8ebc2ad1d406a745f58413cd4a2643a5b19ea91c7f62