Dec 17 22:16:07.445 INFO checking jjwest/rirc-server against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 22:16:07.445 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/jjwest/rirc-server:/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 22:16:07.906 INFO [stdout] 06061f0c82a26848ab4ac68b94de5eba2013031894253d15c5eed7bf5b06a953
Dec 17 22:16:07.908 INFO running `"docker" "start" "-a" "06061f0c82a26848ab4ac68b94de5eba2013031894253d15c5eed7bf5b06a953"`
Dec 17 22:16:09.311 INFO [stderr]     Checking rirc-server v0.1.0 (/opt/crater/workdir)
Dec 17 22:16:09.668 INFO [stderr] warning: unused variable: `conn`
Dec 17 22:16:09.668 INFO [stderr]   --> src/main.rs:41:9
Dec 17 22:16:09.668 INFO [stderr]    |
Dec 17 22:16:09.668 INFO [stderr] 41 |     for conn in socket.incoming() {}
Dec 17 22:16:09.668 INFO [stderr]    |         ^^^^ help: consider using `_conn` instead
Dec 17 22:16:09.668 INFO [stderr]    |
Dec 17 22:16:09.668 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 22:16:09.668 INFO [stderr] 
Dec 17 22:16:09.688 INFO [stderr] warning: type alias is never used: `String`
Dec 17 22:16:09.688 INFO [stderr]  --> src/main.rs:8:1
Dec 17 22:16:09.688 INFO [stderr]   |
Dec 17 22:16:09.688 INFO [stderr] 8 | type String = AsciiString;
Dec 17 22:16:09.688 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:16:09.688 INFO [stderr]   |
Dec 17 22:16:09.688 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 22:16:09.688 INFO [stderr] 
Dec 17 22:16:09.688 INFO [stderr] warning: type alias is never used: `Username`
Dec 17 22:16:09.688 INFO [stderr]  --> src/main.rs:9:1
Dec 17 22:16:09.689 INFO [stderr]   |
Dec 17 22:16:09.689 INFO [stderr] 9 | type Username = AsciiString;
Dec 17 22:16:09.689 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:16:09.689 INFO [stderr] 
Dec 17 22:16:09.689 INFO [stderr] warning: struct is never constructed: `Server`
Dec 17 22:16:09.689 INFO [stderr]   --> src/main.rs:11:1
Dec 17 22:16:09.689 INFO [stderr]    |
Dec 17 22:16:09.689 INFO [stderr] 11 | struct Server {
Dec 17 22:16:09.689 INFO [stderr]    | ^^^^^^^^^^^^^
Dec 17 22:16:09.689 INFO [stderr] 
Dec 17 22:16:09.689 INFO [stderr] warning: struct is never constructed: `Channel`
Dec 17 22:16:09.689 INFO [stderr]   --> src/main.rs:15:1
Dec 17 22:16:09.689 INFO [stderr]    |
Dec 17 22:16:09.689 INFO [stderr] 15 | struct Channel {
Dec 17 22:16:09.689 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 17 22:16:09.689 INFO [stderr] 
Dec 17 22:16:09.689 INFO [stderr] warning: struct is never constructed: `User`
Dec 17 22:16:09.689 INFO [stderr]   --> src/main.rs:19:1
Dec 17 22:16:09.689 INFO [stderr]    |
Dec 17 22:16:09.689 INFO [stderr] 19 | struct User {
Dec 17 22:16:09.689 INFO [stderr]    | ^^^^^^^^^^^
Dec 17 22:16:09.689 INFO [stderr] 
Dec 17 22:16:09.689 INFO [stderr] warning: struct is never constructed: `Service`
Dec 17 22:16:09.689 INFO [stderr]   --> src/main.rs:28:1
Dec 17 22:16:09.689 INFO [stderr]    |
Dec 17 22:16:09.689 INFO [stderr] 28 | struct Service {
Dec 17 22:16:09.689 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 17 22:16:09.689 INFO [stderr] 
Dec 17 22:16:09.756 INFO [stderr] warning: unused variable: `conn`
Dec 17 22:16:09.756 INFO [stderr]   --> src/main.rs:41:9
Dec 17 22:16:09.756 INFO [stderr]    |
Dec 17 22:16:09.756 INFO [stderr] 41 |     for conn in socket.incoming() {}
Dec 17 22:16:09.756 INFO [stderr]    |         ^^^^ help: consider using `_conn` instead
Dec 17 22:16:09.756 INFO [stderr]    |
Dec 17 22:16:09.763 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 22:16:09.763 INFO [stderr] 
Dec 17 22:16:09.763 INFO [stderr] warning: type alias is never used: `String`
Dec 17 22:16:09.763 INFO [stderr]  --> src/main.rs:8:1
Dec 17 22:16:09.763 INFO [stderr]   |
Dec 17 22:16:09.763 INFO [stderr] 8 | type String = AsciiString;
Dec 17 22:16:09.763 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:16:09.763 INFO [stderr]   |
Dec 17 22:16:09.763 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 22:16:09.763 INFO [stderr] 
Dec 17 22:16:09.763 INFO [stderr] warning: type alias is never used: `Username`
Dec 17 22:16:09.763 INFO [stderr]  --> src/main.rs:9:1
Dec 17 22:16:09.763 INFO [stderr]   |
Dec 17 22:16:09.763 INFO [stderr] 9 | type Username = AsciiString;
Dec 17 22:16:09.763 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:16:09.763 INFO [stderr] 
Dec 17 22:16:09.763 INFO [stderr] warning: struct is never constructed: `Server`
Dec 17 22:16:09.763 INFO [stderr]   --> src/main.rs:11:1
Dec 17 22:16:09.763 INFO [stderr]    |
Dec 17 22:16:09.763 INFO [stderr] 11 | struct Server {
Dec 17 22:16:09.763 INFO [stderr]    | ^^^^^^^^^^^^^
Dec 17 22:16:09.763 INFO [stderr] 
Dec 17 22:16:09.763 INFO [stderr] warning: struct is never constructed: `Channel`
Dec 17 22:16:09.763 INFO [stderr]   --> src/main.rs:15:1
Dec 17 22:16:09.763 INFO [stderr]    |
Dec 17 22:16:09.763 INFO [stderr] 15 | struct Channel {
Dec 17 22:16:09.763 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 17 22:16:09.763 INFO [stderr] 
Dec 17 22:16:09.766 INFO [stderr] warning: struct is never constructed: `User`
Dec 17 22:16:09.766 INFO [stderr]   --> src/main.rs:19:1
Dec 17 22:16:09.766 INFO [stderr]    |
Dec 17 22:16:09.766 INFO [stderr] 19 | struct User {
Dec 17 22:16:09.766 INFO [stderr]    | ^^^^^^^^^^^
Dec 17 22:16:09.766 INFO [stderr] 
Dec 17 22:16:09.766 INFO [stderr] warning: struct is never constructed: `Service`
Dec 17 22:16:09.766 INFO [stderr]   --> src/main.rs:28:1
Dec 17 22:16:09.766 INFO [stderr]    |
Dec 17 22:16:09.766 INFO [stderr] 28 | struct Service {
Dec 17 22:16:09.766 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 17 22:16:09.766 INFO [stderr] 
Dec 17 22:16:09.800 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
Dec 17 22:16:10.657 INFO running `"docker" "inspect" "06061f0c82a26848ab4ac68b94de5eba2013031894253d15c5eed7bf5b06a953"`
Dec 17 22:16:10.925 INFO running `"docker" "rm" "-f" "06061f0c82a26848ab4ac68b94de5eba2013031894253d15c5eed7bf5b06a953"`
Dec 17 22:16:11.356 INFO [stdout] 06061f0c82a26848ab4ac68b94de5eba2013031894253d15c5eed7bf5b06a953