[INFO] cloning repository https://github.com/ciwolsey/arp-scan
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ciwolsey/arp-scan" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fciwolsey%2Farp-scan", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fciwolsey%2Farp-scan'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5782d9afc2da2f3b36e62bda9fad97b2d006fec4
[INFO] checking ciwolsey/arp-scan against 49a6044d37d694890450f52ceaceb66277a36b1e for pr-161154
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fciwolsey%2Farp-scan" "/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/ciwolsey/arp-scan
[INFO] finished tweaking git repo https://github.com/ciwolsey/arp-scan
[INFO] tweaked toml for git repo https://github.com/ciwolsey/arp-scan written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ciwolsey/arp-scan on toolchain 49a6044d37d694890450f52ceaceb66277a36b1e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ciwolsey/arp-scan 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" "+49a6044d37d694890450f52ceaceb66277a36b1e" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pnet_transport v0.34.0
[INFO] [stderr]   Downloaded pnet_sys v0.34.0
[INFO] [stderr]   Downloaded pnet_packet v0.34.0
[INFO] [stderr]   Downloaded pnet v0.34.0
[INFO] [stderr]   Downloaded pnet_macros_support v0.34.0
[INFO] [stderr]   Downloaded neli-proc-macros v0.1.4
[INFO] [stderr]   Downloaded no-std-net v0.6.0
[INFO] [stderr]   Downloaded pnet_datalink v0.34.0
[INFO] [stderr]   Downloaded pnet_macros v0.34.0
[INFO] [stderr]   Downloaded local-ip-address v0.5.7
[INFO] [stderr]   Downloaded neli v0.6.5
[INFO] [stderr]   Downloaded pnet_base v0.34.0
[INFO] [stderr]   Downloaded ipnetwork v0.20.0
[INFO] [stderr]   Downloaded either v1.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 75feb22bc351aa6c3a93890d6ac1c2bcaef757383d871d9f16499893604cadad
[INFO] running `Command { std: "docker" "start" "75feb22bc351aa6c3a93890d6ac1c2bcaef757383d871d9f16499893604cadad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75feb22bc351aa6c3a93890d6ac1c2bcaef757383d871d9f16499893604cadad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "75feb22bc351aa6c3a93890d6ac1c2bcaef757383d871d9f16499893604cadad" "/opt/rustwide/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75feb22bc351aa6c3a93890d6ac1c2bcaef757383d871d9f16499893604cadad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "75feb22bc351aa6c3a93890d6ac1c2bcaef757383d871d9f16499893604cadad" "/opt/rustwide/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]     Checking no-std-net v0.6.0
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling either v1.14.0
[INFO] [stderr]    Compiling pnet v0.34.0
[INFO] [stderr]     Checking log v0.4.26
[INFO] [stderr]    Compiling arp-scan v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking pnet_base v0.34.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]     Checking pnet_macros_support v0.34.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]     Checking pnet_sys v0.34.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]     Checking ipnetwork v0.20.0
[INFO] [stderr]     Checking pnet_datalink v0.34.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.218
[INFO] [stderr]    Compiling pnet_macros v0.34.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking pnet_packet v0.34.0
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking pnet_transport v0.34.0
[INFO] [stderr]    Compiling neli-proc-macros v0.1.4
[INFO] [stderr]     Checking neli v0.6.5
[INFO] [stderr]     Checking local-ip-address v0.5.7
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:256:13
[INFO] [stdout]     |
[INFO] [stdout] 256 |         let mut entries: Vec<(Ipv4Addr, String)> = Vec::new();
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entries`
[INFO] [stdout]    --> src/main.rs:256:13
[INFO] [stdout]     |
[INFO] [stdout] 256 |         let mut entries: Vec<(Ipv4Addr, String)> = Vec::new();
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_entries`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:256:13
[INFO] [stdout]     |
[INFO] [stdout] 256 |         let mut entries: Vec<(Ipv4Addr, String)> = Vec::new();
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entries`
[INFO] [stdout]    --> src/main.rs:256:13
[INFO] [stdout]     |
[INFO] [stdout] 256 |         let mut entries: Vec<(Ipv4Addr, String)> = Vec::new();
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_entries`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.19s
[INFO] running `Command { std: "docker" "inspect" "75feb22bc351aa6c3a93890d6ac1c2bcaef757383d871d9f16499893604cadad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75feb22bc351aa6c3a93890d6ac1c2bcaef757383d871d9f16499893604cadad", kill_on_drop: false }`
[INFO] [stdout] 75feb22bc351aa6c3a93890d6ac1c2bcaef757383d871d9f16499893604cadad
