Dec 04 20:31:32.263 INFO checking crystalline/crustacean-irc against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 20:31:32.264 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 20:31:32.734 INFO [stdout] e6438e31d7f314f9aa9943f3e44a426d69647a6f069a451fa29465e21af2404e
Dec 04 20:31:32.736 INFO running `"docker" "start" "-a" "e6438e31d7f314f9aa9943f3e44a426d69647a6f069a451fa29465e21af2404e"`
Dec 04 20:31:35.232 INFO [stderr] usermod: no changes
Dec 04 20:31:35.411 INFO [stderr]     Checking memchr v1.0.1
Dec 04 20:31:35.972 INFO [stderr]     Checking aho-corasick v0.6.3
Dec 04 20:31:36.812 INFO [stderr]     Checking regex v0.2.2
Dec 04 20:31:39.511 INFO [stderr]     Checking rust-irc-client v0.1.0 (/source)
Dec 04 20:31:40.507 INFO [stderr] warning: unused import: `self`
Dec 04 20:31:40.507 INFO [stderr]   --> src/main.rs:10:15
Dec 04 20:31:40.507 INFO [stderr]    |
Dec 04 20:31:40.507 INFO [stderr] 10 | use std::io::{self, BufReader};
Dec 04 20:31:40.507 INFO [stderr]    |               ^^^^
Dec 04 20:31:40.507 INFO [stderr]    |
Dec 04 20:31:40.507 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 04 20:31:40.507 INFO [stderr] 
Dec 04 20:31:40.507 INFO [stderr] warning: unused import: `std::sync::mpsc::channel`
Dec 04 20:31:40.507 INFO [stderr]   --> src/main.rs:13:5
Dec 04 20:31:40.507 INFO [stderr]    |
Dec 04 20:31:40.507 INFO [stderr] 13 | use std::sync::mpsc::channel;
Dec 04 20:31:40.507 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:31:40.507 INFO [stderr] 
Dec 04 20:31:40.507 INFO [stderr] warning: unused import: `std::boxed::Box`
Dec 04 20:31:40.507 INFO [stderr]   --> src/main.rs:15:5
Dec 04 20:31:40.507 INFO [stderr]    |
Dec 04 20:31:40.507 INFO [stderr] 15 | use std::boxed::Box;
Dec 04 20:31:40.507 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 04 20:31:40.507 INFO [stderr] 
Dec 04 20:31:40.507 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 04 20:31:40.507 INFO [stderr]    --> src/main.rs:224:10
Dec 04 20:31:40.507 INFO [stderr]     |
Dec 04 20:31:40.507 INFO [stderr] 224 |       if (ev.msg.contains("rustbot")) {
Dec 04 20:31:40.507 INFO [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 20:31:40.507 INFO [stderr]     |
Dec 04 20:31:40.507 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 04 20:31:40.507 INFO [stderr] 
Dec 04 20:31:40.592 INFO [stderr] warning: variable `res` is assigned to, but never used
Dec 04 20:31:40.592 INFO [stderr]   --> src/main.rs:70:9
Dec 04 20:31:40.592 INFO [stderr]    |
Dec 04 20:31:40.592 INFO [stderr] 70 |     let res;
Dec 04 20:31:40.592 INFO [stderr]    |         ^^^
Dec 04 20:31:40.592 INFO [stderr]    |
Dec 04 20:31:40.593 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 20:31:40.593 INFO [stderr]    = note: consider using `_res` instead
Dec 04 20:31:40.593 INFO [stderr] 
Dec 04 20:31:40.594 INFO [stderr] warning: value assigned to `res` is never read
Dec 04 20:31:40.594 INFO [stderr]   --> src/main.rs:80:5
Dec 04 20:31:40.594 INFO [stderr]    |
Dec 04 20:31:40.594 INFO [stderr] 80 |     res = self.stream.write(&to_send);
Dec 04 20:31:40.595 INFO [stderr]    |     ^^^
Dec 04 20:31:40.595 INFO [stderr]    |
Dec 04 20:31:40.595 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 04 20:31:40.595 INFO [stderr] 
Dec 04 20:31:40.596 INFO [stderr] warning: unused variable: `res`
Dec 04 20:31:40.596 INFO [stderr]   --> src/main.rs:98:11
Dec 04 20:31:40.596 INFO [stderr]    |
Dec 04 20:31:40.596 INFO [stderr] 98 |       let res = self.pump_event();
Dec 04 20:31:40.597 INFO [stderr]    |           ^^^ help: consider using `_res` instead
Dec 04 20:31:40.597 INFO [stderr] 
Dec 04 20:31:40.597 INFO [stderr] warning: unused variable: `n`
Dec 04 20:31:40.597 INFO [stderr]    --> src/main.rs:157:10
Dec 04 20:31:40.598 INFO [stderr]     |
Dec 04 20:31:40.598 INFO [stderr] 157 |       Ok(n) => {
Dec 04 20:31:40.598 INFO [stderr]     |          ^ help: consider using `_n` instead
Dec 04 20:31:40.598 INFO [stderr] 
Dec 04 20:31:40.599 INFO [stderr] warning: unused variable: `e`
Dec 04 20:31:40.599 INFO [stderr]    --> src/main.rs:191:11
Dec 04 20:31:40.599 INFO [stderr]     |
Dec 04 20:31:40.599 INFO [stderr] 191 |       Err(e) => {
Dec 04 20:31:40.599 INFO [stderr]     |           ^ help: consider using `_e` instead
Dec 04 20:31:40.603 INFO [stderr] 
Dec 04 20:31:40.627 INFO [stderr] warning: field is never used: `server`
Dec 04 20:31:40.627 INFO [stderr]   --> src/main.rs:20:3
Dec 04 20:31:40.627 INFO [stderr]    |
Dec 04 20:31:40.627 INFO [stderr] 20 |   server: Ipv4Addr,
Dec 04 20:31:40.628 INFO [stderr]    |   ^^^^^^^^^^^^^^^^
Dec 04 20:31:40.628 INFO [stderr]    |
Dec 04 20:31:40.628 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 20:31:40.628 INFO [stderr] 
Dec 04 20:31:40.629 INFO [stderr] warning: field is never used: `port`
Dec 04 20:31:40.629 INFO [stderr]   --> src/main.rs:21:3
Dec 04 20:31:40.629 INFO [stderr]    |
Dec 04 20:31:40.629 INFO [stderr] 21 |   port: u16,
Dec 04 20:31:40.630 INFO [stderr]    |   ^^^^^^^^^
Dec 04 20:31:40.630 INFO [stderr] 
Dec 04 20:31:40.630 INFO [stderr] warning: field is never used: `isPrivate`
Dec 04 20:31:40.630 INFO [stderr]   --> src/main.rs:37:3
Dec 04 20:31:40.631 INFO [stderr]    |
Dec 04 20:31:40.635 INFO [stderr] 37 |   isPrivate: bool
Dec 04 20:31:40.635 INFO [stderr]    |   ^^^^^^^^^^^^^^^
Dec 04 20:31:40.635 INFO [stderr] 
Dec 04 20:31:40.640 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:31:40.641 INFO [stderr]   --> src/main.rs:81:5
Dec 04 20:31:40.641 INFO [stderr]    |
Dec 04 20:31:40.641 INFO [stderr] 81 |     self.stream.flush();
Dec 04 20:31:40.641 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 04 20:31:40.641 INFO [stderr]    |
Dec 04 20:31:40.642 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 20:31:40.642 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:31:40.642 INFO [stderr] 
Dec 04 20:31:40.795 INFO [stderr] warning: unused import: `self`
Dec 04 20:31:40.795 INFO [stderr]   --> src/main.rs:10:15
Dec 04 20:31:40.795 INFO [stderr]    |
Dec 04 20:31:40.796 INFO [stderr] 10 | use std::io::{self, BufReader};
Dec 04 20:31:40.796 INFO [stderr]    |               ^^^^
Dec 04 20:31:40.796 INFO [stderr]    |
Dec 04 20:31:40.797 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 04 20:31:40.797 INFO [stderr] 
Dec 04 20:31:40.797 INFO [stderr] warning: unused import: `std::sync::mpsc::channel`
Dec 04 20:31:40.797 INFO [stderr]   --> src/main.rs:13:5
Dec 04 20:31:40.797 INFO [stderr]    |
Dec 04 20:31:40.797 INFO [stderr] 13 | use std::sync::mpsc::channel;
Dec 04 20:31:40.797 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:31:40.803 INFO [stderr] 
Dec 04 20:31:40.803 INFO [stderr] warning: unused import: `std::boxed::Box`
Dec 04 20:31:40.803 INFO [stderr]   --> src/main.rs:15:5
Dec 04 20:31:40.803 INFO [stderr]    |
Dec 04 20:31:40.803 INFO [stderr] 15 | use std::boxed::Box;
Dec 04 20:31:40.803 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 04 20:31:40.803 INFO [stderr] 
Dec 04 20:31:40.803 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 04 20:31:40.803 INFO [stderr]    --> src/main.rs:224:10
Dec 04 20:31:40.803 INFO [stderr]     |
Dec 04 20:31:40.803 INFO [stderr] 224 |       if (ev.msg.contains("rustbot")) {
Dec 04 20:31:40.803 INFO [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 20:31:40.803 INFO [stderr]     |
Dec 04 20:31:40.803 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 04 20:31:40.803 INFO [stderr] 
Dec 04 20:31:40.867 INFO [stderr] warning: variable `res` is assigned to, but never used
Dec 04 20:31:40.867 INFO [stderr]   --> src/main.rs:70:9
Dec 04 20:31:40.867 INFO [stderr]    |
Dec 04 20:31:40.867 INFO [stderr] 70 |     let res;
Dec 04 20:31:40.868 INFO [stderr]    |         ^^^
Dec 04 20:31:40.868 INFO [stderr]    |
Dec 04 20:31:40.868 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 20:31:40.868 INFO [stderr]    = note: consider using `_res` instead
Dec 04 20:31:40.868 INFO [stderr] 
Dec 04 20:31:40.869 INFO [stderr] warning: value assigned to `res` is never read
Dec 04 20:31:40.869 INFO [stderr]   --> src/main.rs:80:5
Dec 04 20:31:40.869 INFO [stderr]    |
Dec 04 20:31:40.869 INFO [stderr] 80 |     res = self.stream.write(&to_send);
Dec 04 20:31:40.869 INFO [stderr]    |     ^^^
Dec 04 20:31:40.870 INFO [stderr]    |
Dec 04 20:31:40.870 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 04 20:31:40.870 INFO [stderr] 
Dec 04 20:31:40.870 INFO [stderr] warning: unused variable: `res`
Dec 04 20:31:40.871 INFO [stderr]   --> src/main.rs:98:11
Dec 04 20:31:40.871 INFO [stderr]    |
Dec 04 20:31:40.871 INFO [stderr] 98 |       let res = self.pump_event();
Dec 04 20:31:40.871 INFO [stderr]    |           ^^^ help: consider using `_res` instead
Dec 04 20:31:40.871 INFO [stderr] 
Dec 04 20:31:40.872 INFO [stderr] warning: unused variable: `n`
Dec 04 20:31:40.872 INFO [stderr]    --> src/main.rs:157:10
Dec 04 20:31:40.872 INFO [stderr]     |
Dec 04 20:31:40.872 INFO [stderr] 157 |       Ok(n) => {
Dec 04 20:31:40.873 INFO [stderr]     |          ^ help: consider using `_n` instead
Dec 04 20:31:40.873 INFO [stderr] 
Dec 04 20:31:40.873 INFO [stderr] warning: unused variable: `e`
Dec 04 20:31:40.873 INFO [stderr]    --> src/main.rs:191:11
Dec 04 20:31:40.874 INFO [stderr]     |
Dec 04 20:31:40.874 INFO [stderr] 191 |       Err(e) => {
Dec 04 20:31:40.874 INFO [stderr]     |           ^ help: consider using `_e` instead
Dec 04 20:31:40.874 INFO [stderr] 
Dec 04 20:31:40.896 INFO [stderr] warning: field is never used: `server`
Dec 04 20:31:40.896 INFO [stderr]   --> src/main.rs:20:3
Dec 04 20:31:40.896 INFO [stderr]    |
Dec 04 20:31:40.896 INFO [stderr] 20 |   server: Ipv4Addr,
Dec 04 20:31:40.896 INFO [stderr]    |   ^^^^^^^^^^^^^^^^
Dec 04 20:31:40.897 INFO [stderr]    |
Dec 04 20:31:40.897 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 20:31:40.897 INFO [stderr] 
Dec 04 20:31:40.897 INFO [stderr] warning: field is never used: `port`
Dec 04 20:31:40.898 INFO [stderr]   --> src/main.rs:21:3
Dec 04 20:31:40.898 INFO [stderr]    |
Dec 04 20:31:40.898 INFO [stderr] 21 |   port: u16,
Dec 04 20:31:40.898 INFO [stderr]    |   ^^^^^^^^^
Dec 04 20:31:40.898 INFO [stderr] 
Dec 04 20:31:40.899 INFO [stderr] warning: field is never used: `isPrivate`
Dec 04 20:31:40.899 INFO [stderr]   --> src/main.rs:37:3
Dec 04 20:31:40.899 INFO [stderr]    |
Dec 04 20:31:40.899 INFO [stderr] 37 |   isPrivate: bool
Dec 04 20:31:40.899 INFO [stderr]    |   ^^^^^^^^^^^^^^^
Dec 04 20:31:40.899 INFO [stderr] 
Dec 04 20:31:40.909 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:31:40.909 INFO [stderr]   --> src/main.rs:81:5
Dec 04 20:31:40.909 INFO [stderr]    |
Dec 04 20:31:40.909 INFO [stderr] 81 |     self.stream.flush();
Dec 04 20:31:40.909 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 04 20:31:40.909 INFO [stderr]    |
Dec 04 20:31:40.910 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 20:31:40.910 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:31:40.910 INFO [stderr] 
Dec 04 20:31:40.951 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.63s
Dec 04 20:31:40.951 INFO [stderr] su: No module specific data is present
Dec 04 20:31:42.036 INFO running `"docker" "inspect" "e6438e31d7f314f9aa9943f3e44a426d69647a6f069a451fa29465e21af2404e"`
Dec 04 20:31:42.337 INFO running `"docker" "rm" "-f" "e6438e31d7f314f9aa9943f3e44a426d69647a6f069a451fa29465e21af2404e"`
Dec 04 20:31:42.631 INFO [stdout] e6438e31d7f314f9aa9943f3e44a426d69647a6f069a451fa29465e21af2404e