[INFO] cloning repository https://github.com/RustyNova016/listenbrainz_blackplayer_importer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RustyNova016/listenbrainz_blackplayer_importer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustyNova016%2Flistenbrainz_blackplayer_importer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustyNova016%2Flistenbrainz_blackplayer_importer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1cf685a3847f469294e48479bb5dc47bf1d9a04a
[INFO] checking RustyNova016/listenbrainz_blackplayer_importer against master#c1feb3eceef7d5f0126c309a87062cf413fe0a25 for pr-121053
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustyNova016%2Flistenbrainz_blackplayer_importer" "/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/RustyNova016/listenbrainz_blackplayer_importer on toolchain c1feb3eceef7d5f0126c309a87062cf413fe0a25
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c1feb3eceef7d5f0126c309a87062cf413fe0a25" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RustyNova016/listenbrainz_blackplayer_importer
[INFO] finished tweaking git repo https://github.com/RustyNova016/listenbrainz_blackplayer_importer
[INFO] tweaked toml for git repo https://github.com/RustyNova016/listenbrainz_blackplayer_importer written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/RustyNova016/listenbrainz_blackplayer_importer 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" "+c1feb3eceef7d5f0126c309a87062cf413fe0a25" "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 RustyNova016/listenbrainz_blackplayer_importer against try#0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5 for pr-121053
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustyNova016%2Flistenbrainz_blackplayer_importer" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RustyNova016/listenbrainz_blackplayer_importer on toolchain 0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RustyNova016/listenbrainz_blackplayer_importer
[INFO] finished tweaking git repo https://github.com/RustyNova016/listenbrainz_blackplayer_importer
[INFO] tweaked toml for git repo https://github.com/RustyNova016/listenbrainz_blackplayer_importer written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/RustyNova016/listenbrainz_blackplayer_importer 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" "+0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3dff37e9e6aac24717b1ddb38d40a6822f96e01d21e7fae5b9a369a884d8278c
[INFO] running `Command { std: "docker" "start" "-a" "3dff37e9e6aac24717b1ddb38d40a6822f96e01d21e7fae5b9a369a884d8278c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3dff37e9e6aac24717b1ddb38d40a6822f96e01d21e7fae5b9a369a884d8278c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dff37e9e6aac24717b1ddb38d40a6822f96e01d21e7fae5b9a369a884d8278c", kill_on_drop: false }`
[INFO] [stdout] 3dff37e9e6aac24717b1ddb38d40a6822f96e01d21e7fae5b9a369a884d8278c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c184314f35e4ed03d5cd2d6efc28552fe2ba0900e4602f199f1d4788a07db0cd
[INFO] running `Command { std: "docker" "start" "-a" "c184314f35e4ed03d5cd2d6efc28552fe2ba0900e4602f199f1d4788a07db0cd", kill_on_drop: false }`
[INFO] [stderr]     Checking listenbrainz_blackplayer_importer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Album` is never constructed
[INFO] [stdout]  --> src/models/album.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Album {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Artist` is never constructed
[INFO] [stdout]  --> src/models/artist.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Artist {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Recording` is never constructed
[INFO] [stdout]  --> src/models/recording.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Recording {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Album` is never constructed
[INFO] [stdout]  --> src/models/album.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Album {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Artist` is never constructed
[INFO] [stdout]  --> src/models/artist.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Artist {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Recording` is never constructed
[INFO] [stdout]  --> src/models/recording.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Recording {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "c184314f35e4ed03d5cd2d6efc28552fe2ba0900e4602f199f1d4788a07db0cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c184314f35e4ed03d5cd2d6efc28552fe2ba0900e4602f199f1d4788a07db0cd", kill_on_drop: false }`
[INFO] [stdout] c184314f35e4ed03d5cd2d6efc28552fe2ba0900e4602f199f1d4788a07db0cd