[INFO] cloning repository https://github.com/kawogi/audioloot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kawogi/audioloot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkawogi%2Faudioloot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkawogi%2Faudioloot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 81404a7d5d7250985014a87d53494abb1526485d
[INFO] checking kawogi/audioloot against master#c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c for pr-123737
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkawogi%2Faudioloot" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kawogi/audioloot on toolchain c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kawogi/audioloot
[INFO] finished tweaking git repo https://github.com/kawogi/audioloot
[INFO] tweaked toml for git repo https://github.com/kawogi/audioloot written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kawogi/audioloot 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" "+c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_repr v0.1.16
[INFO] [stderr]   Downloaded discortp v0.4.0
[INFO] [stderr]   Downloaded serenity-voice-model v0.1.1
[INFO] [stderr]   Downloaded audiopus v0.3.0-rc.0
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[INFO] [stderr]   Downloaded json v0.12.4
[INFO] [stderr]   Downloaded songbird v0.3.2
[INFO] [stderr]   Downloaded tracing v0.1.39
[INFO] [stderr]   Downloaded serenity v0.11.6
[INFO] [stderr]   Downloaded audiopus_sys v0.2.2
[INFO] [stderr]   Downloaded ring v0.17.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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_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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "ed6ff3538b5c0c484b07516ba4cba3efc02187cade3f34b37f2f8d7f12f1bd6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed6ff3538b5c0c484b07516ba4cba3efc02187cade3f34b37f2f8d7f12f1bd6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed6ff3538b5c0c484b07516ba4cba3efc02187cade3f34b37f2f8d7f12f1bd6e", kill_on_drop: false }`
[INFO] [stdout] ed6ff3538b5c0c484b07516ba4cba3efc02187cade3f34b37f2f8d7f12f1bd6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "3387e8a35f62e2bd058f7bfd8fe8e358afbab3503c5923d0f4a257f74d605b08", kill_on_drop: false }`
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[INFO] [stderr]     Checking audiopus v0.3.0-rc.0
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[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/track/mod.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{string::ToString, time::Duration};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/track/audiotool.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{string::ToString, time::Duration};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/track/mod.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{string::ToString, time::Duration};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/track/audiotool.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{string::ToString, time::Duration};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `QueueHandle` is never constructed
[INFO] [stdout]   --> src/queue.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct QueueHandle(Arc<Mutex<Queue>>);
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `QueueHandle` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `cover_url` and `created` are never used
[INFO] [stdout]   --> src/track/mod.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub trait Track: Send + Sync {
[INFO] [stdout]    |           ----- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn cover_url(&self) -> Option<String>;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     fn created(&self) -> Option<String>;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TrackKey` is never constructed
[INFO] [stdout]  --> src/track/youtube.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct TrackKey {}
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `QueueHandle` is never constructed
[INFO] [stdout]   --> src/queue.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct QueueHandle(Arc<Mutex<Queue>>);
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `QueueHandle` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `cover_url` and `created` are never used
[INFO] [stdout]   --> src/track/mod.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub trait Track: Send + Sync {
[INFO] [stdout]    |           ----- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn cover_url(&self) -> Option<String>;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     fn created(&self) -> Option<String>;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TrackKey` is never constructed
[INFO] [stdout]  --> src/track/youtube.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct TrackKey {}
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `Command { std: "docker" "inspect" "3387e8a35f62e2bd058f7bfd8fe8e358afbab3503c5923d0f4a257f74d605b08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3387e8a35f62e2bd058f7bfd8fe8e358afbab3503c5923d0f4a257f74d605b08", kill_on_drop: false }`
[INFO] [stdout] 3387e8a35f62e2bd058f7bfd8fe8e358afbab3503c5923d0f4a257f74d605b08