[INFO] updating cached repository https://github.com/temp1011/twitch_chat_parser
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7ea1c596d0c3c30a391488bfdf63c7e54a22194a
[INFO] checking temp1011/twitch_chat_parser against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftemp1011%2Ftwitch_chat_parser" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/temp1011/twitch_chat_parser on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/temp1011/twitch_chat_parser
[INFO] finished tweaking git repo https://github.com/temp1011/twitch_chat_parser
[INFO] tweaked toml for git repo https://github.com/temp1011/twitch_chat_parser written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/temp1011/twitch_chat_parser already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
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[INFO] [stdout] cf437ad02d90181dea6723a66c3af22f124ff95a3341cd2e49fd117921e70b64
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[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/types.rs:138:17
[INFO] [stderr]     |
[INFO] [stderr] 138 |             Err(e) => Err(MyError::Parse("could not be parsed to irc message")), //should pass actual type here
[INFO] [stderr]     |                 ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `sender`
[INFO] [stderr]   --> src/controller.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     sender: Sender<TwitchMessage>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `init`
[INFO] [stderr]   --> src/controller.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn init(channels: Vec<String>) -> Result<(Receiver<TwitchMessage>, Controller), IrcError> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_sender`
[INFO] [stderr]   --> src/controller.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn get_sender(&self) -> Sender<TwitchMessage> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_client`
[INFO] [stderr]   --> src/controller.rs:64:1
[INFO] [stderr]    |
[INFO] [stderr] 64 | fn run_client(chans: Vec<String>) -> Result<(Receiver<TwitchMessage>, Controller), IrcError> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `list_channels`
[INFO] [stderr]    --> src/main.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     fn list_channels(&self) -> Vec<Vec<String>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `controllerGroup` should have a snake case name
[INFO] [stderr]    --> src/main.rs:150:27
[INFO] [stderr]     |
[INFO] [stderr] 150 | fn refresh_channels_inner(controllerGroup: &ControllerGroup, channels: Vec<String>) {
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `controller_group`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:169:21
[INFO] [stderr]     |
[INFO] [stderr] 169 |                     controllers[i].join(c);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:170:21
[INFO] [stderr]     |
[INFO] [stderr] 170 |                     controllers[i].part(leaving.to_string());
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:181:21
[INFO] [stderr]     |
[INFO] [stderr] 181 |                     controllers[i].join(ch);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/db.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |         self.flush(); //look at result here?
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/controller.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         reactor.run();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/types.rs:138:17
[INFO] [stderr]     |
[INFO] [stderr] 138 |             Err(e) => Err(MyError::Parse("could not be parsed to irc message")), //should pass actual type here
[INFO] [stderr]     |                 ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `sender`
[INFO] [stderr]   --> src/controller.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     sender: Sender<TwitchMessage>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_sender`
[INFO] [stderr]   --> src/controller.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn get_sender(&self) -> Sender<TwitchMessage> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `controllerGroup` should have a snake case name
[INFO] [stderr]    --> src/main.rs:150:27
[INFO] [stderr]     |
[INFO] [stderr] 150 | fn refresh_channels_inner(controllerGroup: &ControllerGroup, channels: Vec<String>) {
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `controller_group`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:169:21
[INFO] [stderr]     |
[INFO] [stderr] 169 |                     controllers[i].join(c);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:170:21
[INFO] [stderr]     |
[INFO] [stderr] 170 |                     controllers[i].part(leaving.to_string());
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:181:21
[INFO] [stderr]     |
[INFO] [stderr] 181 |                     controllers[i].join(ch);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/db.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |         self.flush(); //look at result here?
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/controller.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         reactor.run();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:224:9
[INFO] [stderr]     |
[INFO] [stderr] 224 |         (&controller).join("a_channel".to_string());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 11s
[INFO] running `"docker" "inspect" "cf437ad02d90181dea6723a66c3af22f124ff95a3341cd2e49fd117921e70b64"`
[INFO] running `"docker" "rm" "-f" "cf437ad02d90181dea6723a66c3af22f124ff95a3341cd2e49fd117921e70b64"`
[INFO] [stdout] cf437ad02d90181dea6723a66c3af22f124ff95a3341cd2e49fd117921e70b64