Dec 11 16:18:43.599 INFO checking jjwest/rirc-server against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 16:18:43.599 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 11 16:18:43.928 INFO [stdout] d75967afe8f603f4a026f0e177b3bc7847e41ffd4d88f05aa38481915f448bfc
Dec 11 16:18:43.930 INFO running `"docker" "start" "-a" "d75967afe8f603f4a026f0e177b3bc7847e41ffd4d88f05aa38481915f448bfc"`
Dec 11 16:18:44.963 INFO [stderr] usermod: no changes
Dec 11 16:18:45.032 INFO [stderr]     Checking ascii v0.8.6
Dec 11 16:18:45.924 INFO [stderr]     Checking rirc-server v0.1.0 (/source)
Dec 11 16:18:46.447 INFO [stderr] warning: unused variable: `conn`
Dec 11 16:18:46.447 INFO [stderr]   --> src/main.rs:41:9
Dec 11 16:18:46.447 INFO [stderr]    |
Dec 11 16:18:46.447 INFO [stderr] 41 |     for conn in socket.incoming() {}
Dec 11 16:18:46.447 INFO [stderr]    |         ^^^^ help: consider using `_conn` instead
Dec 11 16:18:46.447 INFO [stderr]    |
Dec 11 16:18:46.447 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 16:18:46.447 INFO [stderr] 
Dec 11 16:18:46.451 INFO [stderr] warning: type alias is never used: `String`
Dec 11 16:18:46.451 INFO [stderr]  --> src/main.rs:8:1
Dec 11 16:18:46.452 INFO [stderr]   |
Dec 11 16:18:46.452 INFO [stderr] 8 | type String = AsciiString;
Dec 11 16:18:46.452 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:18:46.452 INFO [stderr]   |
Dec 11 16:18:46.453 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 16:18:46.453 INFO [stderr] 
Dec 11 16:18:46.453 INFO [stderr] warning: type alias is never used: `Username`
Dec 11 16:18:46.453 INFO [stderr]  --> src/main.rs:9:1
Dec 11 16:18:46.453 INFO [stderr]   |
Dec 11 16:18:46.454 INFO [stderr] 9 | type Username = AsciiString;
Dec 11 16:18:46.454 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:18:46.454 INFO [stderr] 
Dec 11 16:18:46.454 INFO [stderr] warning: struct is never constructed: `Server`
Dec 11 16:18:46.455 INFO [stderr]   --> src/main.rs:11:1
Dec 11 16:18:46.455 INFO [stderr]    |
Dec 11 16:18:46.455 INFO [stderr] 11 | struct Server {
Dec 11 16:18:46.455 INFO [stderr]    | ^^^^^^^^^^^^^
Dec 11 16:18:46.455 INFO [stderr] 
Dec 11 16:18:46.456 INFO [stderr] warning: struct is never constructed: `Channel`
Dec 11 16:18:46.456 INFO [stderr]   --> src/main.rs:15:1
Dec 11 16:18:46.456 INFO [stderr]    |
Dec 11 16:18:46.456 INFO [stderr] 15 | struct Channel {
Dec 11 16:18:46.457 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 11 16:18:46.457 INFO [stderr] 
Dec 11 16:18:46.457 INFO [stderr] warning: struct is never constructed: `User`
Dec 11 16:18:46.457 INFO [stderr]   --> src/main.rs:19:1
Dec 11 16:18:46.457 INFO [stderr]    |
Dec 11 16:18:46.458 INFO [stderr] 19 | struct User {
Dec 11 16:18:46.458 INFO [stderr]    | ^^^^^^^^^^^
Dec 11 16:18:46.458 INFO [stderr] 
Dec 11 16:18:46.458 INFO [stderr] warning: struct is never constructed: `Service`
Dec 11 16:18:46.459 INFO [stderr]   --> src/main.rs:28:1
Dec 11 16:18:46.459 INFO [stderr]    |
Dec 11 16:18:46.459 INFO [stderr] 28 | struct Service {
Dec 11 16:18:46.459 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 11 16:18:46.459 INFO [stderr] 
Dec 11 16:18:46.536 INFO [stderr] warning: unused variable: `conn`
Dec 11 16:18:46.536 INFO [stderr]   --> src/main.rs:41:9
Dec 11 16:18:46.536 INFO [stderr]    |
Dec 11 16:18:46.536 INFO [stderr] 41 |     for conn in socket.incoming() {}
Dec 11 16:18:46.536 INFO [stderr]    |         ^^^^ help: consider using `_conn` instead
Dec 11 16:18:46.536 INFO [stderr]    |
Dec 11 16:18:46.536 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 16:18:46.536 INFO [stderr] 
Dec 11 16:18:46.541 INFO [stderr] warning: type alias is never used: `String`
Dec 11 16:18:46.541 INFO [stderr]  --> src/main.rs:8:1
Dec 11 16:18:46.541 INFO [stderr]   |
Dec 11 16:18:46.541 INFO [stderr] 8 | type String = AsciiString;
Dec 11 16:18:46.541 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:18:46.541 INFO [stderr]   |
Dec 11 16:18:46.541 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 16:18:46.541 INFO [stderr] 
Dec 11 16:18:46.541 INFO [stderr] warning: type alias is never used: `Username`
Dec 11 16:18:46.541 INFO [stderr]  --> src/main.rs:9:1
Dec 11 16:18:46.541 INFO [stderr]   |
Dec 11 16:18:46.541 INFO [stderr] 9 | type Username = AsciiString;
Dec 11 16:18:46.541 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:18:46.541 INFO [stderr] 
Dec 11 16:18:46.541 INFO [stderr] warning: struct is never constructed: `Server`
Dec 11 16:18:46.541 INFO [stderr]   --> src/main.rs:11:1
Dec 11 16:18:46.541 INFO [stderr]    |
Dec 11 16:18:46.541 INFO [stderr] 11 | struct Server {
Dec 11 16:18:46.542 INFO [stderr]    | ^^^^^^^^^^^^^
Dec 11 16:18:46.542 INFO [stderr] 
Dec 11 16:18:46.542 INFO [stderr] warning: struct is never constructed: `Channel`
Dec 11 16:18:46.542 INFO [stderr]   --> src/main.rs:15:1
Dec 11 16:18:46.542 INFO [stderr]    |
Dec 11 16:18:46.542 INFO [stderr] 15 | struct Channel {
Dec 11 16:18:46.542 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 11 16:18:46.542 INFO [stderr] 
Dec 11 16:18:46.542 INFO [stderr] warning: struct is never constructed: `User`
Dec 11 16:18:46.542 INFO [stderr]   --> src/main.rs:19:1
Dec 11 16:18:46.542 INFO [stderr]    |
Dec 11 16:18:46.542 INFO [stderr] 19 | struct User {
Dec 11 16:18:46.542 INFO [stderr]    | ^^^^^^^^^^^
Dec 11 16:18:46.542 INFO [stderr] 
Dec 11 16:18:46.542 INFO [stderr] warning: struct is never constructed: `Service`
Dec 11 16:18:46.542 INFO [stderr]   --> src/main.rs:28:1
Dec 11 16:18:46.542 INFO [stderr]    |
Dec 11 16:18:46.542 INFO [stderr] 28 | struct Service {
Dec 11 16:18:46.542 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 11 16:18:46.542 INFO [stderr] 
Dec 11 16:18:46.564 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
Dec 11 16:18:46.564 INFO [stderr] su: No module specific data is present
Dec 11 16:18:47.088 INFO running `"docker" "inspect" "d75967afe8f603f4a026f0e177b3bc7847e41ffd4d88f05aa38481915f448bfc"`
Dec 11 16:18:47.408 INFO running `"docker" "rm" "-f" "d75967afe8f603f4a026f0e177b3bc7847e41ffd4d88f05aa38481915f448bfc"`
Dec 11 16:18:47.681 INFO [stdout] d75967afe8f603f4a026f0e177b3bc7847e41ffd4d88f05aa38481915f448bfc