[INFO] cloning repository https://github.com/emrldwpn/iTunesLibraryRestorer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emrldwpn/iTunesLibraryRestorer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femrldwpn%2FiTunesLibraryRestorer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femrldwpn%2FiTunesLibraryRestorer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51b9c06b3e817216bfb0316930e67866aebe2b3a
[INFO] checking emrldwpn/iTunesLibraryRestorer against master#ac385a5af6d9fa8399a0cec799833cd28324abf8 for pr-125107
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femrldwpn%2FiTunesLibraryRestorer" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emrldwpn/iTunesLibraryRestorer on toolchain ac385a5af6d9fa8399a0cec799833cd28324abf8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ac385a5af6d9fa8399a0cec799833cd28324abf8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/emrldwpn/iTunesLibraryRestorer
[INFO] finished tweaking git repo https://github.com/emrldwpn/iTunesLibraryRestorer
[INFO] tweaked toml for git repo https://github.com/emrldwpn/iTunesLibraryRestorer written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/emrldwpn/iTunesLibraryRestorer 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" "+ac385a5af6d9fa8399a0cec799833cd28324abf8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking emrldwpn/iTunesLibraryRestorer against try#9130c02509ce15f69dc5da6359bb9d140d41d4ac for pr-125107
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femrldwpn%2FiTunesLibraryRestorer" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emrldwpn/iTunesLibraryRestorer on toolchain 9130c02509ce15f69dc5da6359bb9d140d41d4ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9130c02509ce15f69dc5da6359bb9d140d41d4ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/emrldwpn/iTunesLibraryRestorer
[INFO] finished tweaking git repo https://github.com/emrldwpn/iTunesLibraryRestorer
[INFO] tweaked toml for git repo https://github.com/emrldwpn/iTunesLibraryRestorer written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/emrldwpn/iTunesLibraryRestorer 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" "+9130c02509ce15f69dc5da6359bb9d140d41d4ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking emrldwpn/iTunesLibraryRestorer against try#9130c02509ce15f69dc5da6359bb9d140d41d4ac for pr-125107
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femrldwpn%2FiTunesLibraryRestorer" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emrldwpn/iTunesLibraryRestorer on toolchain 9130c02509ce15f69dc5da6359bb9d140d41d4ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9130c02509ce15f69dc5da6359bb9d140d41d4ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/emrldwpn/iTunesLibraryRestorer
[INFO] finished tweaking git repo https://github.com/emrldwpn/iTunesLibraryRestorer
[INFO] tweaked toml for git repo https://github.com/emrldwpn/iTunesLibraryRestorer written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/emrldwpn/iTunesLibraryRestorer 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" "+9130c02509ce15f69dc5da6359bb9d140d41d4ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mp3-metadata v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9130c02509ce15f69dc5da6359bb9d140d41d4ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61d36fd8580c1f730047b70ae79ac8f9d738cb68df92d9193b2d84343404eda2
[INFO] running `Command { std: "docker" "start" "-a" "61d36fd8580c1f730047b70ae79ac8f9d738cb68df92d9193b2d84343404eda2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61d36fd8580c1f730047b70ae79ac8f9d738cb68df92d9193b2d84343404eda2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61d36fd8580c1f730047b70ae79ac8f9d738cb68df92d9193b2d84343404eda2", kill_on_drop: false }`
[INFO] [stdout] 61d36fd8580c1f730047b70ae79ac8f9d738cb68df92d9193b2d84343404eda2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9130c02509ce15f69dc5da6359bb9d140d41d4ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca77c2f31af26c19a475a57d3823f675732be1e84775762edb3124517b2daeec
[INFO] running `Command { std: "docker" "start" "-a" "ca77c2f31af26c19a475a57d3823f675732be1e84775762edb3124517b2daeec", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking mp3-metadata v0.3.4
[INFO] [stderr]     Checking quick-xml v0.31.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.32
[INFO] [stderr]     Checking const_format v0.2.32
[INFO] [stderr]     Checking iTunesLibraryRestorer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `album` is never used
[INFO] [stdout]   --> src/structs/song_info.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl SongInfo {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn album(&self) -> &str {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `album` is never used
[INFO] [stdout]   --> src/structs/song_info.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl SongInfo {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn album(&self) -> &str {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "ca77c2f31af26c19a475a57d3823f675732be1e84775762edb3124517b2daeec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca77c2f31af26c19a475a57d3823f675732be1e84775762edb3124517b2daeec", kill_on_drop: false }`
[INFO] [stdout] ca77c2f31af26c19a475a57d3823f675732be1e84775762edb3124517b2daeec