Dec 18 02:04:13.611 INFO checking crystalline/crustacean-irc against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 02:04:13.611 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/crystalline/crustacean-irc:/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 18 02:04:14.102 INFO [stdout] 135c2fe404746501cd9612b483b5b5e0dc9fac8d9cb1d1f28f737ffb4451ed9d
Dec 18 02:04:14.102 INFO running `"docker" "start" "-a" "135c2fe404746501cd9612b483b5b5e0dc9fac8d9cb1d1f28f737ffb4451ed9d"`
Dec 18 02:04:14.754 INFO [stderr]     Checking libc v0.2.27
Dec 18 02:04:15.548 INFO [stderr]     Checking memchr v1.0.1
Dec 18 02:04:15.889 INFO [stderr]     Checking aho-corasick v0.6.3
Dec 18 02:04:16.468 INFO [stderr]     Checking regex v0.2.2
Dec 18 02:04:18.262 INFO [stderr]     Checking rust-irc-client v0.1.0 (/opt/crater/workdir)
Dec 18 02:04:18.521 INFO [stderr] warning: unused import: `self`
Dec 18 02:04:18.521 INFO [stderr]   --> src/main.rs:10:15
Dec 18 02:04:18.522 INFO [stderr]    |
Dec 18 02:04:18.522 INFO [stderr] 10 | use std::io::{self, BufReader};
Dec 18 02:04:18.522 INFO [stderr]    |               ^^^^
Dec 18 02:04:18.522 INFO [stderr]    |
Dec 18 02:04:18.523 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 02:04:18.523 INFO [stderr] 
Dec 18 02:04:18.523 INFO [stderr] warning: unused import: `std::sync::mpsc::channel`
Dec 18 02:04:18.523 INFO [stderr]   --> src/main.rs:13:5
Dec 18 02:04:18.523 INFO [stderr]    |
Dec 18 02:04:18.524 INFO [stderr] 13 | use std::sync::mpsc::channel;
Dec 18 02:04:18.524 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 02:04:18.524 INFO [stderr] 
Dec 18 02:04:18.524 INFO [stderr] warning: unused import: `std::boxed::Box`
Dec 18 02:04:18.525 INFO [stderr]   --> src/main.rs:15:5
Dec 18 02:04:18.525 INFO [stderr]    |
Dec 18 02:04:18.525 INFO [stderr] 15 | use std::boxed::Box;
Dec 18 02:04:18.525 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 18 02:04:18.525 INFO [stderr] 
Dec 18 02:04:18.526 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 18 02:04:18.526 INFO [stderr]    --> src/main.rs:224:10
Dec 18 02:04:18.526 INFO [stderr]     |
Dec 18 02:04:18.526 INFO [stderr] 224 |       if (ev.msg.contains("rustbot")) {
Dec 18 02:04:18.527 INFO [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 02:04:18.527 INFO [stderr]     |
Dec 18 02:04:18.527 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 18 02:04:18.527 INFO [stderr] 
Dec 18 02:04:18.544 INFO [stderr] warning: unused import: `self`
Dec 18 02:04:18.545 INFO [stderr]   --> src/main.rs:10:15
Dec 18 02:04:18.545 INFO [stderr]    |
Dec 18 02:04:18.545 INFO [stderr] 10 | use std::io::{self, BufReader};
Dec 18 02:04:18.546 INFO [stderr]    |               ^^^^
Dec 18 02:04:18.546 INFO [stderr]    |
Dec 18 02:04:18.546 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 02:04:18.547 INFO [stderr] 
Dec 18 02:04:18.547 INFO [stderr] warning: unused import: `std::sync::mpsc::channel`
Dec 18 02:04:18.547 INFO [stderr]   --> src/main.rs:13:5
Dec 18 02:04:18.548 INFO [stderr]    |
Dec 18 02:04:18.548 INFO [stderr] 13 | use std::sync::mpsc::channel;
Dec 18 02:04:18.548 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 02:04:18.548 INFO [stderr] 
Dec 18 02:04:18.549 INFO [stderr] warning: unused import: `std::boxed::Box`
Dec 18 02:04:18.549 INFO [stderr]   --> src/main.rs:15:5
Dec 18 02:04:18.549 INFO [stderr]    |
Dec 18 02:04:18.550 INFO [stderr] 15 | use std::boxed::Box;
Dec 18 02:04:18.550 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 18 02:04:18.550 INFO [stderr] 
Dec 18 02:04:18.550 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 18 02:04:18.551 INFO [stderr]    --> src/main.rs:224:10
Dec 18 02:04:18.551 INFO [stderr]     |
Dec 18 02:04:18.551 INFO [stderr] 224 |       if (ev.msg.contains("rustbot")) {
Dec 18 02:04:18.552 INFO [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 02:04:18.552 INFO [stderr]     |
Dec 18 02:04:18.552 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 18 02:04:18.552 INFO [stderr] 
Dec 18 02:04:18.607 INFO [stderr] warning: variable `res` is assigned to, but never used
Dec 18 02:04:18.608 INFO [stderr]   --> src/main.rs:70:9
Dec 18 02:04:18.608 INFO [stderr]    |
Dec 18 02:04:18.608 INFO [stderr] 70 |     let res;
Dec 18 02:04:18.608 INFO [stderr]    |         ^^^
Dec 18 02:04:18.609 INFO [stderr]    |
Dec 18 02:04:18.609 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 02:04:18.609 INFO [stderr]    = note: consider using `_res` instead
Dec 18 02:04:18.609 INFO [stderr] 
Dec 18 02:04:18.610 INFO [stderr] warning: value assigned to `res` is never read
Dec 18 02:04:18.610 INFO [stderr]   --> src/main.rs:80:5
Dec 18 02:04:18.610 INFO [stderr]    |
Dec 18 02:04:18.611 INFO [stderr] 80 |     res = self.stream.write(&to_send);
Dec 18 02:04:18.611 INFO [stderr]    |     ^^^
Dec 18 02:04:18.611 INFO [stderr]    |
Dec 18 02:04:18.612 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 18 02:04:18.612 INFO [stderr] 
Dec 18 02:04:18.612 INFO [stderr] warning: unused variable: `res`
Dec 18 02:04:18.613 INFO [stderr]   --> src/main.rs:98:11
Dec 18 02:04:18.613 INFO [stderr]    |
Dec 18 02:04:18.613 INFO [stderr] 98 |       let res = self.pump_event();
Dec 18 02:04:18.613 INFO [stderr]    |           ^^^ help: consider using `_res` instead
Dec 18 02:04:18.614 INFO [stderr] 
Dec 18 02:04:18.614 INFO [stderr] warning: unused variable: `n`
Dec 18 02:04:18.614 INFO [stderr]    --> src/main.rs:157:10
Dec 18 02:04:18.615 INFO [stderr]     |
Dec 18 02:04:18.615 INFO [stderr] 157 |       Ok(n) => {
Dec 18 02:04:18.615 INFO [stderr]     |          ^ help: consider using `_n` instead
Dec 18 02:04:18.616 INFO [stderr] 
Dec 18 02:04:18.616 INFO [stderr] warning: unused variable: `e`
Dec 18 02:04:18.616 INFO [stderr]    --> src/main.rs:191:11
Dec 18 02:04:18.617 INFO [stderr]     |
Dec 18 02:04:18.617 INFO [stderr] 191 |       Err(e) => {
Dec 18 02:04:18.617 INFO [stderr]     |           ^ help: consider using `_e` instead
Dec 18 02:04:18.617 INFO [stderr] 
Dec 18 02:04:18.624 INFO [stderr] warning: variable `res` is assigned to, but never used
Dec 18 02:04:18.624 INFO [stderr]   --> src/main.rs:70:9
Dec 18 02:04:18.624 INFO [stderr]    |
Dec 18 02:04:18.625 INFO [stderr] 70 |     let res;
Dec 18 02:04:18.625 INFO [stderr]    |         ^^^
Dec 18 02:04:18.625 INFO [stderr]    |
Dec 18 02:04:18.626 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 02:04:18.626 INFO [stderr]    = note: consider using `_res` instead
Dec 18 02:04:18.626 INFO [stderr] 
Dec 18 02:04:18.626 INFO [stderr] warning: value assigned to `res` is never read
Dec 18 02:04:18.627 INFO [stderr]   --> src/main.rs:80:5
Dec 18 02:04:18.627 INFO [stderr]    |
Dec 18 02:04:18.627 INFO [stderr] 80 |     res = self.stream.write(&to_send);
Dec 18 02:04:18.628 INFO [stderr]    |     ^^^
Dec 18 02:04:18.628 INFO [stderr]    |
Dec 18 02:04:18.628 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 18 02:04:18.628 INFO [stderr] 
Dec 18 02:04:18.629 INFO [stderr] warning: unused variable: `res`
Dec 18 02:04:18.629 INFO [stderr]   --> src/main.rs:98:11
Dec 18 02:04:18.629 INFO [stderr]    |
Dec 18 02:04:18.630 INFO [stderr] 98 |       let res = self.pump_event();
Dec 18 02:04:18.630 INFO [stderr]    |           ^^^ help: consider using `_res` instead
Dec 18 02:04:18.630 INFO [stderr] 
Dec 18 02:04:18.630 INFO [stderr] warning: unused variable: `n`
Dec 18 02:04:18.631 INFO [stderr]    --> src/main.rs:157:10
Dec 18 02:04:18.631 INFO [stderr]     |
Dec 18 02:04:18.631 INFO [stderr] 157 |       Ok(n) => {
Dec 18 02:04:18.632 INFO [stderr]     |          ^ help: consider using `_n` instead
Dec 18 02:04:18.632 INFO [stderr] 
Dec 18 02:04:18.632 INFO [stderr] warning: unused variable: `e`
Dec 18 02:04:18.632 INFO [stderr]    --> src/main.rs:191:11
Dec 18 02:04:18.633 INFO [stderr]     |
Dec 18 02:04:18.633 INFO [stderr] 191 |       Err(e) => {
Dec 18 02:04:18.633 INFO [stderr]     |           ^ help: consider using `_e` instead
Dec 18 02:04:18.633 INFO [stderr] 
Dec 18 02:04:18.643 INFO [stderr] warning: field is never used: `server`
Dec 18 02:04:18.643 INFO [stderr]   --> src/main.rs:20:3
Dec 18 02:04:18.643 INFO [stderr]    |
Dec 18 02:04:18.644 INFO [stderr] 20 |   server: Ipv4Addr,
Dec 18 02:04:18.644 INFO [stderr]    |   ^^^^^^^^^^^^^^^^
Dec 18 02:04:18.644 INFO [stderr]    |
Dec 18 02:04:18.645 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 02:04:18.645 INFO [stderr] 
Dec 18 02:04:18.645 INFO [stderr] warning: field is never used: `port`
Dec 18 02:04:18.645 INFO [stderr]   --> src/main.rs:21:3
Dec 18 02:04:18.646 INFO [stderr]    |
Dec 18 02:04:18.646 INFO [stderr] 21 |   port: u16,
Dec 18 02:04:18.646 INFO [stderr]    |   ^^^^^^^^^
Dec 18 02:04:18.646 INFO [stderr] 
Dec 18 02:04:18.647 INFO [stderr] warning: field is never used: `isPrivate`
Dec 18 02:04:18.647 INFO [stderr]   --> src/main.rs:37:3
Dec 18 02:04:18.647 INFO [stderr]    |
Dec 18 02:04:18.648 INFO [stderr] 37 |   isPrivate: bool
Dec 18 02:04:18.648 INFO [stderr]    |   ^^^^^^^^^^^^^^^
Dec 18 02:04:18.648 INFO [stderr] 
Dec 18 02:04:18.652 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 02:04:18.652 INFO [stderr]   --> src/main.rs:81:5
Dec 18 02:04:18.653 INFO [stderr]    |
Dec 18 02:04:18.653 INFO [stderr] 81 |     self.stream.flush();
Dec 18 02:04:18.653 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 18 02:04:18.653 INFO [stderr]    |
Dec 18 02:04:18.654 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 02:04:18.654 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 02:04:18.654 INFO [stderr] 
Dec 18 02:04:18.657 INFO [stderr] warning: field is never used: `server`
Dec 18 02:04:18.657 INFO [stderr]   --> src/main.rs:20:3
Dec 18 02:04:18.657 INFO [stderr]    |
Dec 18 02:04:18.658 INFO [stderr] 20 |   server: Ipv4Addr,
Dec 18 02:04:18.658 INFO [stderr]    |   ^^^^^^^^^^^^^^^^
Dec 18 02:04:18.658 INFO [stderr]    |
Dec 18 02:04:18.659 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 02:04:18.659 INFO [stderr] 
Dec 18 02:04:18.659 INFO [stderr] warning: field is never used: `port`
Dec 18 02:04:18.660 INFO [stderr]   --> src/main.rs:21:3
Dec 18 02:04:18.660 INFO [stderr]    |
Dec 18 02:04:18.660 INFO [stderr] 21 |   port: u16,
Dec 18 02:04:18.660 INFO [stderr]    |   ^^^^^^^^^
Dec 18 02:04:18.661 INFO [stderr] 
Dec 18 02:04:18.661 INFO [stderr] warning: field is never used: `isPrivate`
Dec 18 02:04:18.661 INFO [stderr]   --> src/main.rs:37:3
Dec 18 02:04:18.661 INFO [stderr]    |
Dec 18 02:04:18.662 INFO [stderr] 37 |   isPrivate: bool
Dec 18 02:04:18.662 INFO [stderr]    |   ^^^^^^^^^^^^^^^
Dec 18 02:04:18.662 INFO [stderr] 
Dec 18 02:04:18.671 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 02:04:18.671 INFO [stderr]   --> src/main.rs:81:5
Dec 18 02:04:18.671 INFO [stderr]    |
Dec 18 02:04:18.671 INFO [stderr] 81 |     self.stream.flush();
Dec 18 02:04:18.671 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 18 02:04:18.671 INFO [stderr]    |
Dec 18 02:04:18.671 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 02:04:18.671 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 02:04:18.671 INFO [stderr] 
Dec 18 02:04:18.690 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.96s
Dec 18 02:04:18.979 INFO running `"docker" "inspect" "135c2fe404746501cd9612b483b5b5e0dc9fac8d9cb1d1f28f737ffb4451ed9d"`
Dec 18 02:04:19.118 INFO running `"docker" "rm" "-f" "135c2fe404746501cd9612b483b5b5e0dc9fac8d9cb1d1f28f737ffb4451ed9d"`
Dec 18 02:04:19.260 INFO [stdout] 135c2fe404746501cd9612b483b5b5e0dc9fac8d9cb1d1f28f737ffb4451ed9d