Dec 04 16:35:14.548 INFO checking jjwest/rirc-server against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 16:35:14.548 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 16:35:14.755 INFO [stdout] 0df58e93b9e4ac42cc8e65628eb3a816a44a4503911ba516f9012af38352cf09
Dec 04 16:35:14.757 INFO running `"docker" "start" "-a" "0df58e93b9e4ac42cc8e65628eb3a816a44a4503911ba516f9012af38352cf09"`
Dec 04 16:35:15.619 INFO [stderr] usermod: no changes
Dec 04 16:35:15.661 INFO [stderr]     Checking ascii v0.8.6
Dec 04 16:35:16.366 INFO [stderr]     Checking rirc-server v0.1.0 (/source)
Dec 04 16:35:16.711 INFO [stderr] warning: unused variable: `conn`
Dec 04 16:35:16.711 INFO [stderr]   --> src/main.rs:41:9
Dec 04 16:35:16.711 INFO [stderr]    |
Dec 04 16:35:16.711 INFO [stderr] 41 |     for conn in socket.incoming() {}
Dec 04 16:35:16.711 INFO [stderr]    |         ^^^^ help: consider using `_conn` instead
Dec 04 16:35:16.711 INFO [stderr]    |
Dec 04 16:35:16.711 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 16:35:16.711 INFO [stderr] 
Dec 04 16:35:16.719 INFO [stderr] warning: type alias is never used: `String`
Dec 04 16:35:16.719 INFO [stderr]  --> src/main.rs:8:1
Dec 04 16:35:16.719 INFO [stderr]   |
Dec 04 16:35:16.719 INFO [stderr] 8 | type String = AsciiString;
Dec 04 16:35:16.719 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:35:16.719 INFO [stderr]   |
Dec 04 16:35:16.719 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 16:35:16.738 INFO [stderr] 
Dec 04 16:35:16.738 INFO [stderr] warning: type alias is never used: `Username`
Dec 04 16:35:16.738 INFO [stderr]  --> src/main.rs:9:1
Dec 04 16:35:16.738 INFO [stderr]   |
Dec 04 16:35:16.738 INFO [stderr] 9 | type Username = AsciiString;
Dec 04 16:35:16.738 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:35:16.738 INFO [stderr] 
Dec 04 16:35:16.738 INFO [stderr] warning: struct is never constructed: `Server`
Dec 04 16:35:16.738 INFO [stderr]   --> src/main.rs:11:1
Dec 04 16:35:16.738 INFO [stderr]    |
Dec 04 16:35:16.738 INFO [stderr] 11 | struct Server {
Dec 04 16:35:16.738 INFO [stderr]    | ^^^^^^^^^^^^^
Dec 04 16:35:16.738 INFO [stderr] 
Dec 04 16:35:16.738 INFO [stderr] warning: struct is never constructed: `Channel`
Dec 04 16:35:16.738 INFO [stderr]   --> src/main.rs:15:1
Dec 04 16:35:16.738 INFO [stderr]    |
Dec 04 16:35:16.738 INFO [stderr] 15 | struct Channel {
Dec 04 16:35:16.738 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 04 16:35:16.738 INFO [stderr] 
Dec 04 16:35:16.738 INFO [stderr] warning: struct is never constructed: `User`
Dec 04 16:35:16.738 INFO [stderr]   --> src/main.rs:19:1
Dec 04 16:35:16.738 INFO [stderr]    |
Dec 04 16:35:16.738 INFO [stderr] 19 | struct User {
Dec 04 16:35:16.738 INFO [stderr]    | ^^^^^^^^^^^
Dec 04 16:35:16.738 INFO [stderr] 
Dec 04 16:35:16.738 INFO [stderr] warning: struct is never constructed: `Service`
Dec 04 16:35:16.738 INFO [stderr]   --> src/main.rs:28:1
Dec 04 16:35:16.738 INFO [stderr]    |
Dec 04 16:35:16.738 INFO [stderr] 28 | struct Service {
Dec 04 16:35:16.738 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 04 16:35:16.738 INFO [stderr] 
Dec 04 16:35:16.855 INFO [stderr] warning: unused variable: `conn`
Dec 04 16:35:16.855 INFO [stderr]   --> src/main.rs:41:9
Dec 04 16:35:16.855 INFO [stderr]    |
Dec 04 16:35:16.855 INFO [stderr] 41 |     for conn in socket.incoming() {}
Dec 04 16:35:16.855 INFO [stderr]    |         ^^^^ help: consider using `_conn` instead
Dec 04 16:35:16.855 INFO [stderr]    |
Dec 04 16:35:16.855 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 16:35:16.855 INFO [stderr] 
Dec 04 16:35:16.859 INFO [stderr] warning: type alias is never used: `String`
Dec 04 16:35:16.859 INFO [stderr]  --> src/main.rs:8:1
Dec 04 16:35:16.859 INFO [stderr]   |
Dec 04 16:35:16.859 INFO [stderr] 8 | type String = AsciiString;
Dec 04 16:35:16.859 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:35:16.859 INFO [stderr]   |
Dec 04 16:35:16.859 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 16:35:16.859 INFO [stderr] 
Dec 04 16:35:16.859 INFO [stderr] warning: type alias is never used: `Username`
Dec 04 16:35:16.859 INFO [stderr]  --> src/main.rs:9:1
Dec 04 16:35:16.859 INFO [stderr]   |
Dec 04 16:35:16.859 INFO [stderr] 9 | type Username = AsciiString;
Dec 04 16:35:16.859 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:35:16.859 INFO [stderr] 
Dec 04 16:35:16.859 INFO [stderr] warning: struct is never constructed: `Server`
Dec 04 16:35:16.859 INFO [stderr]   --> src/main.rs:11:1
Dec 04 16:35:16.859 INFO [stderr]    |
Dec 04 16:35:16.859 INFO [stderr] 11 | struct Server {
Dec 04 16:35:16.859 INFO [stderr]    | ^^^^^^^^^^^^^
Dec 04 16:35:16.859 INFO [stderr] 
Dec 04 16:35:16.859 INFO [stderr] warning: struct is never constructed: `Channel`
Dec 04 16:35:16.859 INFO [stderr]   --> src/main.rs:15:1
Dec 04 16:35:16.859 INFO [stderr]    |
Dec 04 16:35:16.859 INFO [stderr] 15 | struct Channel {
Dec 04 16:35:16.859 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 04 16:35:16.859 INFO [stderr] 
Dec 04 16:35:16.859 INFO [stderr] warning: struct is never constructed: `User`
Dec 04 16:35:16.859 INFO [stderr]   --> src/main.rs:19:1
Dec 04 16:35:16.859 INFO [stderr]    |
Dec 04 16:35:16.859 INFO [stderr] 19 | struct User {
Dec 04 16:35:16.859 INFO [stderr]    | ^^^^^^^^^^^
Dec 04 16:35:16.859 INFO [stderr] 
Dec 04 16:35:16.859 INFO [stderr] warning: struct is never constructed: `Service`
Dec 04 16:35:16.859 INFO [stderr]   --> src/main.rs:28:1
Dec 04 16:35:16.859 INFO [stderr]    |
Dec 04 16:35:16.859 INFO [stderr] 28 | struct Service {
Dec 04 16:35:16.859 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 04 16:35:16.859 INFO [stderr] 
Dec 04 16:35:16.906 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
Dec 04 16:35:16.907 INFO [stderr] su: No module specific data is present
Dec 04 16:35:17.444 INFO running `"docker" "inspect" "0df58e93b9e4ac42cc8e65628eb3a816a44a4503911ba516f9012af38352cf09"`
Dec 04 16:35:17.719 INFO running `"docker" "rm" "-f" "0df58e93b9e4ac42cc8e65628eb3a816a44a4503911ba516f9012af38352cf09"`
Dec 04 16:35:17.992 INFO [stdout] 0df58e93b9e4ac42cc8e65628eb3a816a44a4503911ba516f9012af38352cf09