[INFO] cloning repository https://github.com/yujiangqaq/musictag-cli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yujiangqaq/musictag-cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyujiangqaq%2Fmusictag-cli", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyujiangqaq%2Fmusictag-cli'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7b409f62ded24896f7af0bcf45f80d848cf1fd23
[INFO] checking yujiangqaq/musictag-cli against master#b52edc25bfbaa955b4b83c10f998e5224c3478b2 for pr-156776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyujiangqaq%2Fmusictag-cli" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/yujiangqaq/musictag-cli
[INFO] finished tweaking git repo https://github.com/yujiangqaq/musictag-cli
[INFO] tweaked toml for git repo https://github.com/yujiangqaq/musictag-cli written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yujiangqaq/musictag-cli on toolchain b52edc25bfbaa955b4b83c10f998e5224c3478b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b52edc25bfbaa955b4b83c10f998e5224c3478b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/yujiangqaq/musictag-cli 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" "+b52edc25bfbaa955b4b83c10f998e5224c3478b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded id3 v1.16.4
[INFO] [stderr]   Downloaded mp4ameta_proc v0.6.0
[INFO] [stderr]   Downloaded metaflac v0.2.8
[INFO] [stderr]   Downloaded mp4ameta v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b52edc25bfbaa955b4b83c10f998e5224c3478b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e94df0224db3677ae2a8863f0ff833b3fce2a9a8621cb929f10c6c4d173e3a5f
[INFO] running `Command { std: "docker" "start" "-a" "e94df0224db3677ae2a8863f0ff833b3fce2a9a8621cb929f10c6c4d173e3a5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e94df0224db3677ae2a8863f0ff833b3fce2a9a8621cb929f10c6c4d173e3a5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e94df0224db3677ae2a8863f0ff833b3fce2a9a8621cb929f10c6c4d173e3a5f", kill_on_drop: false }`
[INFO] [stdout] e94df0224db3677ae2a8863f0ff833b3fce2a9a8621cb929f10c6c4d173e3a5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b52edc25bfbaa955b4b83c10f998e5224c3478b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 343656d6586d21d8056707a10681c6924b54324ec9fcf96b3c068a4fe666ab07
[INFO] running `Command { std: "docker" "start" "-a" "343656d6586d21d8056707a10681c6924b54324ec9fcf96b3c068a4fe666ab07", kill_on_drop: false }`
[INFO] [stderr]     Checking simd-adler32 v0.3.9
[INFO] [stderr]    Compiling serde_json v1.0.150
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking bitflags v2.11.1
[INFO] [stderr]    Compiling mp4ameta_proc v0.6.0
[INFO] [stderr]     Checking metaflac v0.2.8
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking mp4ameta v0.11.0
[INFO] [stderr]     Checking flate2 v1.1.9
[INFO] [stderr]     Checking id3 v1.16.4
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking musictag-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Unknown` is never constructed
[INFO] [stdout]   --> src/error.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub enum AppError {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 13 |     Unknown(String),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AppError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_str` is never used
[INFO] [stdout]   --> src/format/mod.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl AudioFormat {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn as_str(&self) -> &'static str {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Unknown` is never constructed
[INFO] [stdout]   --> src/error.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub enum AppError {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 13 |     Unknown(String),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AppError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_str` is never used
[INFO] [stdout]   --> src/format/mod.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl AudioFormat {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn as_str(&self) -> &'static str {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.06s
[INFO] running `Command { std: "docker" "inspect" "343656d6586d21d8056707a10681c6924b54324ec9fcf96b3c068a4fe666ab07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "343656d6586d21d8056707a10681c6924b54324ec9fcf96b3c068a4fe666ab07", kill_on_drop: false }`
[INFO] [stdout] 343656d6586d21d8056707a10681c6924b54324ec9fcf96b3c068a4fe666ab07