Dec 19 18:40:41.119 INFO checking crystalline/crustacean-irc against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 18:40:41.119 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 18:40:41.757 INFO [stdout] 5e153917204763de812196c3736dfce9f1f5131cdf6406d9a6ae428814008c1c
Dec 19 18:40:41.760 INFO running `"docker" "start" "-a" "5e153917204763de812196c3736dfce9f1f5131cdf6406d9a6ae428814008c1c"`
Dec 19 18:40:43.751 INFO [stderr]     Checking libc v0.2.27
Dec 19 18:40:44.796 INFO [stderr]     Checking memchr v1.0.1
Dec 19 18:40:45.097 INFO [stderr]     Checking aho-corasick v0.6.3
Dec 19 18:40:45.812 INFO [stderr]     Checking regex v0.2.2
Dec 19 18:40:47.768 INFO [stderr]     Checking rust-irc-client v0.1.0 (/opt/crater/workdir)
Dec 19 18:40:48.212 INFO [stderr] warning: unused import: `self`
Dec 19 18:40:48.212 INFO [stderr]   --> src/main.rs:10:15
Dec 19 18:40:48.212 INFO [stderr]    |
Dec 19 18:40:48.212 INFO [stderr] 10 | use std::io::{self, BufReader};
Dec 19 18:40:48.212 INFO [stderr]    |               ^^^^
Dec 19 18:40:48.224 INFO [stderr]    |
Dec 19 18:40:48.224 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 18:40:48.224 INFO [stderr] 
Dec 19 18:40:48.224 INFO [stderr] warning: unused import: `std::sync::mpsc::channel`
Dec 19 18:40:48.224 INFO [stderr]   --> src/main.rs:13:5
Dec 19 18:40:48.224 INFO [stderr]    |
Dec 19 18:40:48.224 INFO [stderr] 13 | use std::sync::mpsc::channel;
Dec 19 18:40:48.224 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:40:48.224 INFO [stderr] 
Dec 19 18:40:48.224 INFO [stderr] warning: unused import: `std::boxed::Box`
Dec 19 18:40:48.224 INFO [stderr]   --> src/main.rs:15:5
Dec 19 18:40:48.224 INFO [stderr]    |
Dec 19 18:40:48.224 INFO [stderr] 15 | use std::boxed::Box;
Dec 19 18:40:48.224 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 19 18:40:48.224 INFO [stderr] 
Dec 19 18:40:48.224 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 19 18:40:48.224 INFO [stderr]    --> src/main.rs:224:10
Dec 19 18:40:48.224 INFO [stderr]     |
Dec 19 18:40:48.224 INFO [stderr] 224 |       if (ev.msg.contains("rustbot")) {
Dec 19 18:40:48.224 INFO [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 18:40:48.224 INFO [stderr]     |
Dec 19 18:40:48.224 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 19 18:40:48.224 INFO [stderr] 
Dec 19 18:40:48.240 INFO [stderr] warning: unused import: `self`
Dec 19 18:40:48.240 INFO [stderr]   --> src/main.rs:10:15
Dec 19 18:40:48.240 INFO [stderr]    |
Dec 19 18:40:48.240 INFO [stderr] 10 | use std::io::{self, BufReader};
Dec 19 18:40:48.240 INFO [stderr]    |               ^^^^
Dec 19 18:40:48.248 INFO [stderr]    |
Dec 19 18:40:48.248 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 18:40:48.248 INFO [stderr] 
Dec 19 18:40:48.248 INFO [stderr] warning: unused import: `std::sync::mpsc::channel`
Dec 19 18:40:48.248 INFO [stderr]   --> src/main.rs:13:5
Dec 19 18:40:48.248 INFO [stderr]    |
Dec 19 18:40:48.248 INFO [stderr] 13 | use std::sync::mpsc::channel;
Dec 19 18:40:48.248 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:40:48.248 INFO [stderr] 
Dec 19 18:40:48.248 INFO [stderr] warning: unused import: `std::boxed::Box`
Dec 19 18:40:48.248 INFO [stderr]   --> src/main.rs:15:5
Dec 19 18:40:48.248 INFO [stderr]    |
Dec 19 18:40:48.248 INFO [stderr] 15 | use std::boxed::Box;
Dec 19 18:40:48.248 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 19 18:40:48.248 INFO [stderr] 
Dec 19 18:40:48.248 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 19 18:40:48.248 INFO [stderr]    --> src/main.rs:224:10
Dec 19 18:40:48.248 INFO [stderr]     |
Dec 19 18:40:48.248 INFO [stderr] 224 |       if (ev.msg.contains("rustbot")) {
Dec 19 18:40:48.248 INFO [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 18:40:48.248 INFO [stderr]     |
Dec 19 18:40:48.248 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 19 18:40:48.248 INFO [stderr] 
Dec 19 18:40:48.300 INFO [stderr] warning: variable `res` is assigned to, but never used
Dec 19 18:40:48.300 INFO [stderr]   --> src/main.rs:70:9
Dec 19 18:40:48.300 INFO [stderr]    |
Dec 19 18:40:48.300 INFO [stderr] 70 |     let res;
Dec 19 18:40:48.300 INFO [stderr]    |         ^^^
Dec 19 18:40:48.300 INFO [stderr]    |
Dec 19 18:40:48.300 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 18:40:48.300 INFO [stderr]    = note: consider using `_res` instead
Dec 19 18:40:48.300 INFO [stderr] 
Dec 19 18:40:48.300 INFO [stderr] warning: value assigned to `res` is never read
Dec 19 18:40:48.300 INFO [stderr]   --> src/main.rs:80:5
Dec 19 18:40:48.300 INFO [stderr]    |
Dec 19 18:40:48.300 INFO [stderr] 80 |     res = self.stream.write(&to_send);
Dec 19 18:40:48.300 INFO [stderr]    |     ^^^
Dec 19 18:40:48.300 INFO [stderr]    |
Dec 19 18:40:48.300 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 19 18:40:48.300 INFO [stderr]    = help: maybe it is overwritten before being read?
Dec 19 18:40:48.300 INFO [stderr] 
Dec 19 18:40:48.300 INFO [stderr] warning: unused variable: `res`
Dec 19 18:40:48.300 INFO [stderr]   --> src/main.rs:98:11
Dec 19 18:40:48.300 INFO [stderr]    |
Dec 19 18:40:48.301 INFO [stderr] 98 |       let res = self.pump_event();
Dec 19 18:40:48.301 INFO [stderr]    |           ^^^ help: consider using `_res` instead
Dec 19 18:40:48.301 INFO [stderr] 
Dec 19 18:40:48.301 INFO [stderr] warning: unused variable: `n`
Dec 19 18:40:48.301 INFO [stderr]    --> src/main.rs:157:10
Dec 19 18:40:48.301 INFO [stderr]     |
Dec 19 18:40:48.301 INFO [stderr] 157 |       Ok(n) => {
Dec 19 18:40:48.301 INFO [stderr]     |          ^ help: consider using `_n` instead
Dec 19 18:40:48.301 INFO [stderr] 
Dec 19 18:40:48.301 INFO [stderr] warning: unused variable: `e`
Dec 19 18:40:48.301 INFO [stderr]    --> src/main.rs:191:11
Dec 19 18:40:48.301 INFO [stderr]     |
Dec 19 18:40:48.301 INFO [stderr] 191 |       Err(e) => {
Dec 19 18:40:48.301 INFO [stderr]     |           ^ help: consider using `_e` instead
Dec 19 18:40:48.301 INFO [stderr] 
Dec 19 18:40:48.316 INFO [stderr] warning: field is never used: `server`
Dec 19 18:40:48.316 INFO [stderr]   --> src/main.rs:20:3
Dec 19 18:40:48.316 INFO [stderr]    |
Dec 19 18:40:48.316 INFO [stderr] 20 |   server: Ipv4Addr,
Dec 19 18:40:48.316 INFO [stderr]    |   ^^^^^^^^^^^^^^^^
Dec 19 18:40:48.316 INFO [stderr]    |
Dec 19 18:40:48.316 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 18:40:48.316 INFO [stderr] 
Dec 19 18:40:48.316 INFO [stderr] warning: field is never used: `port`
Dec 19 18:40:48.316 INFO [stderr]   --> src/main.rs:21:3
Dec 19 18:40:48.316 INFO [stderr]    |
Dec 19 18:40:48.316 INFO [stderr] 21 |   port: u16,
Dec 19 18:40:48.316 INFO [stderr]    |   ^^^^^^^^^
Dec 19 18:40:48.316 INFO [stderr] 
Dec 19 18:40:48.316 INFO [stderr] warning: field is never used: `isPrivate`
Dec 19 18:40:48.316 INFO [stderr]   --> src/main.rs:37:3
Dec 19 18:40:48.316 INFO [stderr]    |
Dec 19 18:40:48.316 INFO [stderr] 37 |   isPrivate: bool
Dec 19 18:40:48.316 INFO [stderr]    |   ^^^^^^^^^^^^^^^
Dec 19 18:40:48.316 INFO [stderr] 
Dec 19 18:40:48.324 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 18:40:48.324 INFO [stderr]   --> src/main.rs:81:5
Dec 19 18:40:48.324 INFO [stderr]    |
Dec 19 18:40:48.324 INFO [stderr] 81 |     self.stream.flush();
Dec 19 18:40:48.324 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 18:40:48.324 INFO [stderr]    |
Dec 19 18:40:48.324 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 18:40:48.324 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 18:40:48.324 INFO [stderr] 
Dec 19 18:40:48.352 INFO [stderr] warning: variable `res` is assigned to, but never used
Dec 19 18:40:48.352 INFO [stderr]   --> src/main.rs:70:9
Dec 19 18:40:48.352 INFO [stderr]    |
Dec 19 18:40:48.352 INFO [stderr] 70 |     let res;
Dec 19 18:40:48.352 INFO [stderr]    |         ^^^
Dec 19 18:40:48.352 INFO [stderr]    |
Dec 19 18:40:48.352 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 18:40:48.352 INFO [stderr]    = note: consider using `_res` instead
Dec 19 18:40:48.352 INFO [stderr] 
Dec 19 18:40:48.352 INFO [stderr] warning: value assigned to `res` is never read
Dec 19 18:40:48.352 INFO [stderr]   --> src/main.rs:80:5
Dec 19 18:40:48.352 INFO [stderr]    |
Dec 19 18:40:48.352 INFO [stderr] 80 |     res = self.stream.write(&to_send);
Dec 19 18:40:48.352 INFO [stderr]    |     ^^^
Dec 19 18:40:48.353 INFO [stderr]    |
Dec 19 18:40:48.353 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 19 18:40:48.353 INFO [stderr]    = help: maybe it is overwritten before being read?
Dec 19 18:40:48.353 INFO [stderr] 
Dec 19 18:40:48.353 INFO [stderr] warning: unused variable: `res`
Dec 19 18:40:48.353 INFO [stderr]   --> src/main.rs:98:11
Dec 19 18:40:48.353 INFO [stderr]    |
Dec 19 18:40:48.353 INFO [stderr] 98 |       let res = self.pump_event();
Dec 19 18:40:48.353 INFO [stderr]    |           ^^^ help: consider using `_res` instead
Dec 19 18:40:48.353 INFO [stderr] 
Dec 19 18:40:48.353 INFO [stderr] warning: unused variable: `n`
Dec 19 18:40:48.353 INFO [stderr]    --> src/main.rs:157:10
Dec 19 18:40:48.353 INFO [stderr]     |
Dec 19 18:40:48.353 INFO [stderr] 157 |       Ok(n) => {
Dec 19 18:40:48.353 INFO [stderr]     |          ^ help: consider using `_n` instead
Dec 19 18:40:48.353 INFO [stderr] 
Dec 19 18:40:48.353 INFO [stderr] warning: unused variable: `e`
Dec 19 18:40:48.353 INFO [stderr]    --> src/main.rs:191:11
Dec 19 18:40:48.353 INFO [stderr]     |
Dec 19 18:40:48.353 INFO [stderr] 191 |       Err(e) => {
Dec 19 18:40:48.353 INFO [stderr]     |           ^ help: consider using `_e` instead
Dec 19 18:40:48.353 INFO [stderr] 
Dec 19 18:40:48.370 INFO [stderr] warning: field is never used: `server`
Dec 19 18:40:48.371 INFO [stderr]   --> src/main.rs:20:3
Dec 19 18:40:48.371 INFO [stderr]    |
Dec 19 18:40:48.371 INFO [stderr] 20 |   server: Ipv4Addr,
Dec 19 18:40:48.371 INFO [stderr]    |   ^^^^^^^^^^^^^^^^
Dec 19 18:40:48.380 INFO [stderr]    |
Dec 19 18:40:48.380 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 18:40:48.380 INFO [stderr] 
Dec 19 18:40:48.380 INFO [stderr] warning: field is never used: `port`
Dec 19 18:40:48.380 INFO [stderr]   --> src/main.rs:21:3
Dec 19 18:40:48.380 INFO [stderr]    |
Dec 19 18:40:48.380 INFO [stderr] 21 |   port: u16,
Dec 19 18:40:48.380 INFO [stderr]    |   ^^^^^^^^^
Dec 19 18:40:48.380 INFO [stderr] 
Dec 19 18:40:48.380 INFO [stderr] warning: field is never used: `isPrivate`
Dec 19 18:40:48.380 INFO [stderr]   --> src/main.rs:37:3
Dec 19 18:40:48.380 INFO [stderr]    |
Dec 19 18:40:48.380 INFO [stderr] 37 |   isPrivate: bool
Dec 19 18:40:48.380 INFO [stderr]    |   ^^^^^^^^^^^^^^^
Dec 19 18:40:48.380 INFO [stderr] 
Dec 19 18:40:48.389 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 18:40:48.390 INFO [stderr]   --> src/main.rs:81:5
Dec 19 18:40:48.390 INFO [stderr]    |
Dec 19 18:40:48.390 INFO [stderr] 81 |     self.stream.flush();
Dec 19 18:40:48.390 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 18:40:48.391 INFO [stderr]    |
Dec 19 18:40:48.391 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 18:40:48.391 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 18:40:48.391 INFO [stderr] 
Dec 19 18:40:48.416 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.73s
Dec 19 18:40:48.947 INFO running `"docker" "inspect" "5e153917204763de812196c3736dfce9f1f5131cdf6406d9a6ae428814008c1c"`
Dec 19 18:40:49.108 INFO running `"docker" "rm" "-f" "5e153917204763de812196c3736dfce9f1f5131cdf6406d9a6ae428814008c1c"`
Dec 19 18:40:49.240 INFO [stdout] 5e153917204763de812196c3736dfce9f1f5131cdf6406d9a6ae428814008c1c