Dec 17 21:04:45.916 INFO checking kryo4096/rust-chat against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 21:04:45.916 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/kryo4096/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 21:04:46.444 INFO [stdout] 588f6eee15cbb2a1daf7fb4442a9c0c899efcca166b8c6cbb1fb0b1fef074c16
Dec 17 21:04:46.446 INFO running `"docker" "start" "-a" "588f6eee15cbb2a1daf7fb4442a9c0c899efcca166b8c6cbb1fb0b1fef074c16"`
Dec 17 21:04:48.877 INFO [stderr]     Checking mio v0.6.14
Dec 17 21:04:50.592 INFO [stderr]     Checking ws v0.7.6
Dec 17 21:04:52.368 INFO [stderr]     Checking chat v0.1.0 (/opt/crater/workdir)
Dec 17 21:04:52.851 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 17 21:04:52.851 INFO [stderr]   --> src/main.rs:41:15
Dec 17 21:04:52.851 INFO [stderr]    |
Dec 17 21:04:52.851 INFO [stderr] 41 |             if(command.len() > 0) {
Dec 17 21:04:52.852 INFO [stderr]    |               ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 17 21:04:52.852 INFO [stderr]    |
Dec 17 21:04:52.852 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 17 21:04:52.852 INFO [stderr] 
Dec 17 21:04:52.864 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 17 21:04:52.864 INFO [stderr]   --> src/main.rs:41:15
Dec 17 21:04:52.864 INFO [stderr]    |
Dec 17 21:04:52.864 INFO [stderr] 41 |             if(command.len() > 0) {
Dec 17 21:04:52.864 INFO [stderr]    |               ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 17 21:04:52.865 INFO [stderr]    |
Dec 17 21:04:52.865 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 17 21:04:52.865 INFO [stderr] 
Dec 17 21:04:53.022 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 21:04:53.022 INFO [stderr]   --> src/main.rs:45:25
Dec 17 21:04:53.022 INFO [stderr]    |
Dec 17 21:04:53.022 INFO [stderr] 45 |                         self.out.send("<span style=\"color: red\">Unknown Command</span><br>");
Dec 17 21:04:53.022 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:04:53.023 INFO [stderr]    |
Dec 17 21:04:53.023 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 21:04:53.023 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 21:04:53.023 INFO [stderr] 
Dec 17 21:04:53.023 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 21:04:53.023 INFO [stderr]   --> src/main.rs:63:9
Dec 17 21:04:53.023 INFO [stderr]    |
Dec 17 21:04:53.023 INFO [stderr] 63 |         self.out.broadcast(format!("<span style=\"color: red\">{} has disconnected</span><br>",self.remote_addr));
Dec 17 21:04:53.023 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:04:53.023 INFO [stderr]    |
Dec 17 21:04:53.023 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 21:04:53.023 INFO [stderr] 
Dec 17 21:04:53.068 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 21:04:53.069 INFO [stderr]   --> src/main.rs:45:25
Dec 17 21:04:53.069 INFO [stderr]    |
Dec 17 21:04:53.069 INFO [stderr] 45 |                         self.out.send("<span style=\"color: red\">Unknown Command</span><br>");
Dec 17 21:04:53.069 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:04:53.070 INFO [stderr]    |
Dec 17 21:04:53.070 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 21:04:53.070 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 21:04:53.070 INFO [stderr] 
Dec 17 21:04:53.070 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 21:04:53.071 INFO [stderr]   --> src/main.rs:63:9
Dec 17 21:04:53.071 INFO [stderr]    |
Dec 17 21:04:53.071 INFO [stderr] 63 |         self.out.broadcast(format!("<span style=\"color: red\">{} has disconnected</span><br>",self.remote_addr));
Dec 17 21:04:53.071 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:04:53.072 INFO [stderr]    |
Dec 17 21:04:53.072 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 21:04:53.072 INFO [stderr] 
Dec 17 21:04:53.086 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.37s
Dec 17 21:04:54.333 INFO running `"docker" "inspect" "588f6eee15cbb2a1daf7fb4442a9c0c899efcca166b8c6cbb1fb0b1fef074c16"`
Dec 17 21:04:54.724 INFO running `"docker" "rm" "-f" "588f6eee15cbb2a1daf7fb4442a9c0c899efcca166b8c6cbb1fb0b1fef074c16"`
Dec 17 21:04:55.020 INFO [stdout] 588f6eee15cbb2a1daf7fb4442a9c0c899efcca166b8c6cbb1fb0b1fef074c16