[INFO] cloning repository https://github.com/mattcl/playlist-exporter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mattcl/playlist-exporter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattcl%2Fplaylist-exporter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattcl%2Fplaylist-exporter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7090cb9bbccaba19efe439100cbd812df0fe3b39
[INFO] testing mattcl/playlist-exporter against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattcl%2Fplaylist-exporter" "/workspace/builds/worker-74/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-74/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mattcl/playlist-exporter on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mattcl/playlist-exporter
[INFO] finished tweaking git repo https://github.com/mattcl/playlist-exporter
[INFO] tweaked toml for git repo https://github.com/mattcl/playlist-exporter written to /workspace/builds/worker-74/source/Cargo.toml
[INFO] crate git repo https://github.com/mattcl/playlist-exporter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81beb86d6cd9582d2d1eaf6a7ee4a8362b845cd0697fb2794596a9bff2212f2b
[INFO] running `Command { std: "docker" "start" "-a" "81beb86d6cd9582d2d1eaf6a7ee4a8362b845cd0697fb2794596a9bff2212f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81beb86d6cd9582d2d1eaf6a7ee4a8362b845cd0697fb2794596a9bff2212f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81beb86d6cd9582d2d1eaf6a7ee4a8362b845cd0697fb2794596a9bff2212f2b", kill_on_drop: false }`
[INFO] [stdout] 81beb86d6cd9582d2d1eaf6a7ee4a8362b845cd0697fb2794596a9bff2212f2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e187a67befd98054cb9b38b84cf1217876a9ea3d9b59a1e1f9f4e9859ad07d54
[INFO] running `Command { std: "docker" "start" "-a" "e187a67befd98054cb9b38b84cf1217876a9ea3d9b59a1e1f9f4e9859ad07d54", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling url v1.7.1
[INFO] [stderr]    Compiling colored v1.6.1
[INFO] [stderr]    Compiling m3u v1.0.0
[INFO] [stderr]    Compiling playlist-exporter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `matches`
[INFO] [stdout]   --> src/main.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn shuffle(matches: &ArgMatches) {}
[INFO] [stdout]    |            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.49s
[INFO] running `Command { std: "docker" "inspect" "e187a67befd98054cb9b38b84cf1217876a9ea3d9b59a1e1f9f4e9859ad07d54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e187a67befd98054cb9b38b84cf1217876a9ea3d9b59a1e1f9f4e9859ad07d54", kill_on_drop: false }`
[INFO] [stdout] e187a67befd98054cb9b38b84cf1217876a9ea3d9b59a1e1f9f4e9859ad07d54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd351f8fee48cb95cca3cd7bbbf5a7cd39c1f71c13be40644421ba2a6c0342ad
[INFO] running `Command { std: "docker" "start" "-a" "fd351f8fee48cb95cca3cd7bbbf5a7cd39c1f71c13be40644421ba2a6c0342ad", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling playlist-exporter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `matches`
[INFO] [stdout]   --> src/main.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn shuffle(matches: &ArgMatches) {}
[INFO] [stdout]    |            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.22s
[INFO] running `Command { std: "docker" "inspect" "fd351f8fee48cb95cca3cd7bbbf5a7cd39c1f71c13be40644421ba2a6c0342ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd351f8fee48cb95cca3cd7bbbf5a7cd39c1f71c13be40644421ba2a6c0342ad", kill_on_drop: false }`
[INFO] [stdout] fd351f8fee48cb95cca3cd7bbbf5a7cd39c1f71c13be40644421ba2a6c0342ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6bff5ab5d8cdd3cb537e0d811ecace4000184cf5348e19b97c59f32184a44652
[INFO] running `Command { std: "docker" "start" "-a" "6bff5ab5d8cdd3cb537e0d811ecace4000184cf5348e19b97c59f32184a44652", 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] warning: unused variable: `matches`
[INFO] [stderr]   --> src/main.rs:64:12
[INFO] [stderr]    |
[INFO] [stderr] 64 | fn shuffle(matches: &ArgMatches) {}
[INFO] [stderr]    |            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `playlist-exporter` (bin "playlist-exporter" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.54s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/playlist_exporter-a5a6f096880bbba0)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6bff5ab5d8cdd3cb537e0d811ecace4000184cf5348e19b97c59f32184a44652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bff5ab5d8cdd3cb537e0d811ecace4000184cf5348e19b97c59f32184a44652", kill_on_drop: false }`
[INFO] [stdout] 6bff5ab5d8cdd3cb537e0d811ecace4000184cf5348e19b97c59f32184a44652