[INFO] cloning repository https://github.com/virgin-dev/simple-arp-detector-inRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/virgin-dev/simple-arp-detector-inRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvirgin-dev%2Fsimple-arp-detector-inRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvirgin-dev%2Fsimple-arp-detector-inRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f50b266a7bc430c2634de7b8c466292ff83bc000
[INFO] checking virgin-dev/simple-arp-detector-inRust against try#bac5816c5f3d02cebd0599070af62d1782530294 for pr-150408
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvirgin-dev%2Fsimple-arp-detector-inRust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/virgin-dev/simple-arp-detector-inRust
[INFO] finished tweaking git repo https://github.com/virgin-dev/simple-arp-detector-inRust
[INFO] tweaked toml for git repo https://github.com/virgin-dev/simple-arp-detector-inRust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/virgin-dev/simple-arp-detector-inRust on toolchain bac5816c5f3d02cebd0599070af62d1782530294
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/virgin-dev/simple-arp-detector-inRust 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" "+bac5816c5f3d02cebd0599070af62d1782530294" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking virgin-dev/simple-arp-detector-inRust against try#bac5816c5f3d02cebd0599070af62d1782530294 for pr-150408
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvirgin-dev%2Fsimple-arp-detector-inRust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/virgin-dev/simple-arp-detector-inRust
[INFO] finished tweaking git repo https://github.com/virgin-dev/simple-arp-detector-inRust
[INFO] tweaked toml for git repo https://github.com/virgin-dev/simple-arp-detector-inRust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/virgin-dev/simple-arp-detector-inRust on toolchain bac5816c5f3d02cebd0599070af62d1782530294
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/virgin-dev/simple-arp-detector-inRust 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" "+bac5816c5f3d02cebd0599070af62d1782530294" "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 pnet_base v0.35.0
[INFO] [stderr]   Downloaded pnet_transport v0.35.0
[INFO] [stderr]   Downloaded pnet_macros v0.35.0
[INFO] [stderr]   Downloaded pnet_sys v0.35.0
[INFO] [stderr]   Downloaded pnet v0.35.0
[INFO] [stderr]   Downloaded no-std-net v0.6.0
[INFO] [stderr]   Downloaded pnet_macros_support v0.35.0
[INFO] [stderr]   Downloaded pnet_datalink v0.35.0
[INFO] [stderr]   Downloaded pnet_packet v0.35.0
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf00f41a3fe99a8e8f6265d30f0ac4a97fc1c3db7d5635f43231746047369452
[INFO] running `Command { std: "docker" "start" "-a" "cf00f41a3fe99a8e8f6265d30f0ac4a97fc1c3db7d5635f43231746047369452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf00f41a3fe99a8e8f6265d30f0ac4a97fc1c3db7d5635f43231746047369452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf00f41a3fe99a8e8f6265d30f0ac4a97fc1c3db7d5635f43231746047369452", kill_on_drop: false }`
[INFO] [stdout] cf00f41a3fe99a8e8f6265d30f0ac4a97fc1c3db7d5635f43231746047369452
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce3e8e920f9a0dbd6599612cdf33e0826d7a13a62e17ac2aa1ebd2d0353c55a9
[INFO] running `Command { std: "docker" "start" "-a" "ce3e8e920f9a0dbd6599612cdf33e0826d7a13a62e17ac2aa1ebd2d0353c55a9", kill_on_drop: false }`
[INFO] [stderr]     Checking no-std-net v0.6.0
[INFO] [stderr]    Compiling pnet v0.35.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]     Checking pnet_sys v0.35.0
[INFO] [stderr]     Checking ipnetwork v0.20.0
[INFO] [stderr]     Checking pnet_base v0.35.0
[INFO] [stderr]     Checking pnet_macros_support v0.35.0
[INFO] [stderr]     Checking pnet_datalink v0.35.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling pnet_macros v0.35.0
[INFO] [stderr]     Checking pnet_packet v0.35.0
[INFO] [stderr]     Checking pnet_transport v0.35.0
[INFO] [stderr]     Checking simple-arp-detector v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `pnet::datalink::interfaces`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use pnet::datalink::interfaces;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pnet::datalink::interfaces`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use pnet::datalink::interfaces;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.29s
[INFO] running `Command { std: "docker" "inspect" "ce3e8e920f9a0dbd6599612cdf33e0826d7a13a62e17ac2aa1ebd2d0353c55a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce3e8e920f9a0dbd6599612cdf33e0826d7a13a62e17ac2aa1ebd2d0353c55a9", kill_on_drop: false }`
[INFO] [stdout] ce3e8e920f9a0dbd6599612cdf33e0826d7a13a62e17ac2aa1ebd2d0353c55a9