[INFO] cloning repository https://github.com/Windfisch/arpfisch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Windfisch/arpfisch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWindfisch%2Farpfisch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWindfisch%2Farpfisch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d70244ca1c0a1f86192dc85ed962e1931a02f1c0
[INFO] testing Windfisch/arpfisch against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWindfisch%2Farpfisch" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Windfisch/arpfisch 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/Windfisch/arpfisch
[INFO] finished tweaking git repo https://github.com/Windfisch/arpfisch
[INFO] tweaked toml for git repo https://github.com/Windfisch/arpfisch written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate git repo https://github.com/Windfisch/arpfisch 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-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] c81feaaad4adfdcaa2fa947f240eeafd3c3293aced0baba600090ffa22c9c56b
[INFO] running `Command { std: "docker" "start" "-a" "c81feaaad4adfdcaa2fa947f240eeafd3c3293aced0baba600090ffa22c9c56b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c81feaaad4adfdcaa2fa947f240eeafd3c3293aced0baba600090ffa22c9c56b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c81feaaad4adfdcaa2fa947f240eeafd3c3293aced0baba600090ffa22c9c56b", kill_on_drop: false }`
[INFO] [stdout] c81feaaad4adfdcaa2fa947f240eeafd3c3293aced0baba600090ffa22c9c56b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] c6be01e64de95421124eec86e3333931c141837c70ff5d82e30f956449c1180b
[INFO] running `Command { std: "docker" "start" "-a" "c6be01e64de95421124eec86e3333931c141837c70ff5d82e30f956449c1180b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling heapless v0.6.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling ringbuf v0.2.4
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling hash32 v0.1.1
[INFO] [stderr]    Compiling as-slice v0.1.5
[INFO] [stderr]    Compiling jack-sys v0.2.0 (https://github.com/Windfisch/rust-jack#d77752bf)
[INFO] [stderr]    Compiling jack v0.6.2 (https://github.com/Windfisch/rust-jack#d77752bf)
[INFO] [stderr]    Compiling arpfisch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Blink`
[INFO] [stdout]   --> src/grid_controllers/mod.rs:44:2
[INFO] [stdout]    |
[INFO] [stdout] 44 |     Blink(Color),
[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 [unoptimized + debuginfo] target(s) in 24.04s
[INFO] running `Command { std: "docker" "inspect" "c6be01e64de95421124eec86e3333931c141837c70ff5d82e30f956449c1180b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6be01e64de95421124eec86e3333931c141837c70ff5d82e30f956449c1180b", kill_on_drop: false }`
[INFO] [stdout] c6be01e64de95421124eec86e3333931c141837c70ff5d82e30f956449c1180b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 30ffe4a084b68dffd289c0fd2edf3e2d61030d8930177005cc15694c5ba104c7
[INFO] running `Command { std: "docker" "start" "-a" "30ffe4a084b68dffd289c0fd2edf3e2d61030d8930177005cc15694c5ba104c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling arpfisch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Blink`
[INFO] [stdout]   --> src/grid_controllers/mod.rs:44:2
[INFO] [stdout]    |
[INFO] [stdout] 44 |     Blink(Color),
[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 test [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "30ffe4a084b68dffd289c0fd2edf3e2d61030d8930177005cc15694c5ba104c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30ffe4a084b68dffd289c0fd2edf3e2d61030d8930177005cc15694c5ba104c7", kill_on_drop: false }`
[INFO] [stdout] 30ffe4a084b68dffd289c0fd2edf3e2d61030d8930177005cc15694c5ba104c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] eb8d664283f050228793438a7e514cf0c56006e21cac55d31e915fb2d0468ea6
[INFO] running `Command { std: "docker" "start" "-a" "eb8d664283f050228793438a7e514cf0c56006e21cac55d31e915fb2d0468ea6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: variant is never constructed: `Blink`
[INFO] [stderr]   --> src/grid_controllers/mod.rs:44:2
[INFO] [stderr]    |
[INFO] [stderr] 44 |     Blink(Color),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `arpfisch` (bin "arpfisch" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.18s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/arpfisch-ade074aa4d511089)
[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" "eb8d664283f050228793438a7e514cf0c56006e21cac55d31e915fb2d0468ea6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb8d664283f050228793438a7e514cf0c56006e21cac55d31e915fb2d0468ea6", kill_on_drop: false }`
[INFO] [stdout] eb8d664283f050228793438a7e514cf0c56006e21cac55d31e915fb2d0468ea6