[INFO] cloning repository https://github.com/Klapptnot/lyrics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Klapptnot/lyrics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKlapptnot%2Flyrics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKlapptnot%2Flyrics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dbe7968bcd693660cd5bdb2318d16f799e7dd50d
[INFO] checking Klapptnot/lyrics against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKlapptnot%2Flyrics" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Klapptnot/lyrics
[INFO] finished tweaking git repo https://github.com/Klapptnot/lyrics
[INFO] tweaked toml for git repo https://github.com/Klapptnot/lyrics written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Klapptnot/lyrics on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Klapptnot/lyrics already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "6ccc3724d1a0a5cbba1026596791bc346242b28d2ea4384c88c876206833fa6c", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "rm" "-f" "6ccc3724d1a0a5cbba1026596791bc346242b28d2ea4384c88c876206833fa6c", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 326b396298375ba827b1806ca107e2be4048c7e99535a2a06263df5dd0f4e0b6
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[INFO] [stdout] warning: function `bot` is never used
[INFO] [stdout]  --> src/bot/mod.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub(crate) fn bot(channel: &str, username: &str, token: &str) {
[INFO] [stdout]   |               ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_tags` is never used
[INFO] [stdout]   --> src/bot/irc.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn parse_tags<'a>(tags: &'a str) -> IrcTagsMap<'a> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_message` is never used
[INFO] [stdout]   --> src/bot/irc.rs:59:15
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub(crate) fn parse_message<'a>(message: &'a str) -> TwitchIrcMsg<'a> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TWITCH_IRC` is never used
[INFO] [stdout]  --> src/bot/twitch.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const TWITCH_IRC: &'static str = "irc.chat.twitch.tv:6667";
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TwitchHandler` is never constructed
[INFO] [stdout]  --> src/bot/twitch.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub(crate) struct TwitchHandler<'a> {
[INFO] [stdout]   |                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `login`, `send_raw`, `send`, and `get_reader` are never used
[INFO] [stdout]   --> src/bot/twitch.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<'a> TwitchHandler<'a> {
[INFO] [stdout]    | -------------------------- associated items in this implementation
[INFO] [stdout] 15 |   pub(crate) fn new(channel: &'a str, username: &'a str) -> Self {
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |   pub(crate) fn login(&mut self, token: &str) -> &Self {
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |   pub(crate) fn send_raw(&mut self, data: String) -> &Self {
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |   pub(crate) fn send(&mut self, data: String) -> &Self {
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |   pub(crate) fn get_reader(&self) -> BufReader<&TcpStream> {
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `socket_send_raw` is never used
[INFO] [stdout]   --> src/bot/twitch.rs:52:15
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub(crate) fn socket_send_raw(socket: &mut TcpStream, data: String) -> () {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bot` is never used
[INFO] [stdout]  --> src/bot/mod.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub(crate) fn bot(channel: &str, username: &str, token: &str) {
[INFO] [stdout]   |               ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_tags` is never used
[INFO] [stdout]   --> src/bot/irc.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn parse_tags<'a>(tags: &'a str) -> IrcTagsMap<'a> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_message` is never used
[INFO] [stdout]   --> src/bot/irc.rs:59:15
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub(crate) fn parse_message<'a>(message: &'a str) -> TwitchIrcMsg<'a> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TWITCH_IRC` is never used
[INFO] [stdout]  --> src/bot/twitch.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const TWITCH_IRC: &'static str = "irc.chat.twitch.tv:6667";
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TwitchHandler` is never constructed
[INFO] [stdout]  --> src/bot/twitch.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub(crate) struct TwitchHandler<'a> {
[INFO] [stdout]   |                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `login`, `send_raw`, `send`, and `get_reader` are never used
[INFO] [stdout]   --> src/bot/twitch.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<'a> TwitchHandler<'a> {
[INFO] [stdout]    | -------------------------- associated items in this implementation
[INFO] [stdout] 15 |   pub(crate) fn new(channel: &'a str, username: &'a str) -> Self {
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |   pub(crate) fn login(&mut self, token: &str) -> &Self {
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |   pub(crate) fn send_raw(&mut self, data: String) -> &Self {
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |   pub(crate) fn send(&mut self, data: String) -> &Self {
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |   pub(crate) fn get_reader(&self) -> BufReader<&TcpStream> {
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `socket_send_raw` is never used
[INFO] [stdout]   --> src/bot/twitch.rs:52:15
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub(crate) fn socket_send_raw(socket: &mut TcpStream, data: String) -> () {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.43s
[INFO] running `Command { std: "docker" "inspect" "326b396298375ba827b1806ca107e2be4048c7e99535a2a06263df5dd0f4e0b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "326b396298375ba827b1806ca107e2be4048c7e99535a2a06263df5dd0f4e0b6", kill_on_drop: false }`
[INFO] [stdout] 326b396298375ba827b1806ca107e2be4048c7e99535a2a06263df5dd0f4e0b6