[INFO] updating cached repository https://github.com/FelixMcFelix/felyne-bot
[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] ed1f2722af83413d3bc95a99b908713f1243a7bb
[INFO] checking FelixMcFelix/felyne-bot against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFelixMcFelix%2Ffelyne-bot" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FelixMcFelix/felyne-bot on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/FelixMcFelix/felyne-bot
[INFO] finished tweaking git repo https://github.com/FelixMcFelix/felyne-bot
[INFO] tweaked toml for git repo https://github.com/FelixMcFelix/felyne-bot written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/FelixMcFelix/felyne-bot already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] aaf78d54f2932d39a23f72dcf7e2036703bcef194dd177cc9b493715fd3a7b53
[INFO] running `"docker" "start" "-a" "aaf78d54f2932d39a23f72dcf7e2036703bcef194dd177cc9b493715fd3a7b53"`
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[INFO] [stderr] warning: unused import: `Instant`
[INFO] [stderr]   --> src/voicehunt/mod.rs:38:3
[INFO] [stderr]    |
[INFO] [stderr] 38 |         Instant
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `constants::*`
[INFO] [stderr]   --> src/main.rs:10:2
[INFO] [stderr]    |
[INFO] [stderr] 10 |     constants::*,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `CheckResult`, `CommandGroup`, `CommandOptions`, `check`, `help`
[INFO] [stderr]   --> src/main.rs:21:4
[INFO] [stderr]    |
[INFO] [stderr] 21 |             check,
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 24 |             help,
[INFO] [stderr]    |             ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 27 |         CheckResult,
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr] 28 |         CommandError,
[INFO] [stderr] 29 |         CommandGroup,
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 30 |         CommandOptions,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Instant`
[INFO] [stderr]   --> src/voicehunt/mod.rs:38:3
[INFO] [stderr]    |
[INFO] [stderr] 38 |         Instant
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `constants::*`
[INFO] [stderr]   --> src/main.rs:10:2
[INFO] [stderr]    |
[INFO] [stderr] 10 |     constants::*,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `CheckResult`, `CommandGroup`, `CommandOptions`, `check`, `help`
[INFO] [stderr]   --> src/main.rs:21:4
[INFO] [stderr]    |
[INFO] [stderr] 21 |             check,
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 24 |             help,
[INFO] [stderr]    |             ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 27 |         CheckResult,
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr] 28 |         CommandError,
[INFO] [stderr] 29 |         CommandGroup,
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 30 |         CommandOptions,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `register_state`
[INFO] [stderr]    --> src/automata.rs:134:2
[INFO] [stderr]     |
[INFO] [stderr] 134 |     pub fn register_state(&mut self, state: State) -> &mut Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MANAGE_ROLES`
[INFO] [stderr]  --> src/constants.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub const MANAGE_ROLES: &[&str] = &["certified cat wrangler"];
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `head`
[INFO] [stderr]   --> src/watchcat.rs:81:2
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn head(&self) -> &Option<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `tail`
[INFO] [stderr]   --> src/watchcat.rs:85:2
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn tail(&self) -> &Option<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/voicehunt/mod.rs:547:10
[INFO] [stderr]     |
[INFO] [stderr] 547 |                                     newer_tx.send(VoiceHuntMessage::Channel(chan, false));
[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: method is never used: `register_state`
[INFO] [stderr]    --> src/automata.rs:134:2
[INFO] [stderr]     |
[INFO] [stderr] 134 |     pub fn register_state(&mut self, state: State) -> &mut Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MANAGE_ROLES`
[INFO] [stderr]  --> src/constants.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub const MANAGE_ROLES: &[&str] = &["certified cat wrangler"];
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `head`
[INFO] [stderr]   --> src/watchcat.rs:81:2
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn head(&self) -> &Option<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `tail`
[INFO] [stderr]   --> src/watchcat.rs:85:2
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn tail(&self) -> &Option<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/voicehunt/mod.rs:547:10
[INFO] [stderr]     |
[INFO] [stderr] 547 |                                     newer_tx.send(VoiceHuntMessage::Channel(chan, false));
[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]     Finished dev [unoptimized + debuginfo] target(s) in 3m 40s
[INFO] running `"docker" "inspect" "aaf78d54f2932d39a23f72dcf7e2036703bcef194dd177cc9b493715fd3a7b53"`
[INFO] running `"docker" "rm" "-f" "aaf78d54f2932d39a23f72dcf7e2036703bcef194dd177cc9b493715fd3a7b53"`
[INFO] [stdout] aaf78d54f2932d39a23f72dcf7e2036703bcef194dd177cc9b493715fd3a7b53