Dec 04 15:30:24.613 INFO checking kryo4096/rust-chat against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 15:30:24.613 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 04 15:30:25.324 INFO [stdout] 6d311dba847fbe31868c6e175885452a0355448392db8a04a99d0c14436b37f8
Dec 04 15:30:25.326 INFO running `"docker" "start" "-a" "6d311dba847fbe31868c6e175885452a0355448392db8a04a99d0c14436b37f8"`
Dec 04 15:30:27.339 INFO [stderr] usermod: no changes
Dec 04 15:30:27.471 INFO [stderr]     Checking mio v0.6.14
Dec 04 15:30:29.170 INFO [stderr]     Checking ws v0.7.6
Dec 04 15:30:31.267 INFO [stderr]     Checking chat v0.1.0 (/source)
Dec 04 15:30:32.267 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 04 15:30:32.267 INFO [stderr]   --> src/main.rs:41:15
Dec 04 15:30:32.267 INFO [stderr]    |
Dec 04 15:30:32.268 INFO [stderr] 41 |             if(command.len() > 0) {
Dec 04 15:30:32.268 INFO [stderr]    |               ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 15:30:32.268 INFO [stderr]    |
Dec 04 15:30:32.268 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 04 15:30:32.268 INFO [stderr] 
Dec 04 15:30:32.307 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 04 15:30:32.307 INFO [stderr]   --> src/main.rs:41:15
Dec 04 15:30:32.307 INFO [stderr]    |
Dec 04 15:30:32.307 INFO [stderr] 41 |             if(command.len() > 0) {
Dec 04 15:30:32.307 INFO [stderr]    |               ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 15:30:32.307 INFO [stderr]    |
Dec 04 15:30:32.307 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 04 15:30:32.307 INFO [stderr] 
Dec 04 15:30:32.356 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 15:30:32.356 INFO [stderr]   --> src/main.rs:45:25
Dec 04 15:30:32.356 INFO [stderr]    |
Dec 04 15:30:32.356 INFO [stderr] 45 |                         self.out.send("<span style=\"color: red\">Unknown Command</span><br>");
Dec 04 15:30:32.356 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:30:32.356 INFO [stderr]    |
Dec 04 15:30:32.356 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 15:30:32.356 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 15:30:32.356 INFO [stderr] 
Dec 04 15:30:32.356 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 15:30:32.356 INFO [stderr]   --> src/main.rs:63:9
Dec 04 15:30:32.356 INFO [stderr]    |
Dec 04 15:30:32.356 INFO [stderr] 63 |         self.out.broadcast(format!("<span style=\"color: red\">{} has disconnected</span><br>",self.remote_addr));
Dec 04 15:30:32.356 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:30:32.356 INFO [stderr]    |
Dec 04 15:30:32.356 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 15:30:32.356 INFO [stderr] 
Dec 04 15:30:32.403 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 15:30:32.403 INFO [stderr]   --> src/main.rs:45:25
Dec 04 15:30:32.403 INFO [stderr]    |
Dec 04 15:30:32.403 INFO [stderr] 45 |                         self.out.send("<span style=\"color: red\">Unknown Command</span><br>");
Dec 04 15:30:32.403 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:30:32.403 INFO [stderr]    |
Dec 04 15:30:32.403 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 15:30:32.403 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 15:30:32.403 INFO [stderr] 
Dec 04 15:30:32.403 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 15:30:32.403 INFO [stderr]   --> src/main.rs:63:9
Dec 04 15:30:32.403 INFO [stderr]    |
Dec 04 15:30:32.403 INFO [stderr] 63 |         self.out.broadcast(format!("<span style=\"color: red\">{} has disconnected</span><br>",self.remote_addr));
Dec 04 15:30:32.403 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:30:32.403 INFO [stderr]    |
Dec 04 15:30:32.403 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 15:30:32.403 INFO [stderr] 
Dec 04 15:30:32.439 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.06s
Dec 04 15:30:32.451 INFO [stderr] su: No module specific data is present
Dec 04 15:30:33.469 INFO running `"docker" "inspect" "6d311dba847fbe31868c6e175885452a0355448392db8a04a99d0c14436b37f8"`
Dec 04 15:30:33.773 INFO running `"docker" "rm" "-f" "6d311dba847fbe31868c6e175885452a0355448392db8a04a99d0c14436b37f8"`
Dec 04 15:30:34.104 INFO [stdout] 6d311dba847fbe31868c6e175885452a0355448392db8a04a99d0c14436b37f8