[INFO] cloning repository https://github.com/sjbeskur/fastarp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sjbeskur/fastarp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjbeskur%2Ffastarp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjbeskur%2Ffastarp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 414620f7d83b4d69481fe6b61154d717ee3a6bbd
[INFO] checking sjbeskur/fastarp against try#ed606620234c6b50f2414162c4bbabd5f4a925f3 for pr-147995
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjbeskur%2Ffastarp" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sjbeskur/fastarp
[INFO] finished tweaking git repo https://github.com/sjbeskur/fastarp
[INFO] tweaked toml for git repo https://github.com/sjbeskur/fastarp written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sjbeskur/fastarp on toolchain ed606620234c6b50f2414162c4bbabd5f4a925f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sjbeskur/fastarp 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" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking sjbeskur/fastarp against try#ed606620234c6b50f2414162c4bbabd5f4a925f3 for pr-147995
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjbeskur%2Ffastarp" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sjbeskur/fastarp
[INFO] finished tweaking git repo https://github.com/sjbeskur/fastarp
[INFO] tweaked toml for git repo https://github.com/sjbeskur/fastarp written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sjbeskur/fastarp on toolchain ed606620234c6b50f2414162c4bbabd5f4a925f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sjbeskur/fastarp 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" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "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 v0.35.0
[INFO] [stderr]   Downloaded pnet_transport v0.35.0
[INFO] [stderr]   Downloaded pnet_packet v0.35.0
[INFO] [stderr]   Downloaded pnet_macros_support v0.35.0
[INFO] [stderr]   Downloaded pnet_datalink v0.35.0
[INFO] [stderr]   Downloaded pnet_macros v0.35.0
[INFO] [stderr]   Downloaded pnet_base v0.35.0
[INFO] [stderr]   Downloaded pnet_sys v0.35.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e3e9edba49a12a78ce8a9ebf7045da6aa7679af2ce3682f2e6c939c3335d0e2
[INFO] running `Command { std: "docker" "start" "-a" "6e3e9edba49a12a78ce8a9ebf7045da6aa7679af2ce3682f2e6c939c3335d0e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e3e9edba49a12a78ce8a9ebf7045da6aa7679af2ce3682f2e6c939c3335d0e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e3e9edba49a12a78ce8a9ebf7045da6aa7679af2ce3682f2e6c939c3335d0e2", kill_on_drop: false }`
[INFO] [stdout] 6e3e9edba49a12a78ce8a9ebf7045da6aa7679af2ce3682f2e6c939c3335d0e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2636852cfed02e360d30700bd0b66b8465efb7b5002daa9384cc84fadd4b1391
[INFO] running `Command { std: "docker" "start" "-a" "2636852cfed02e360d30700bd0b66b8465efb7b5002daa9384cc84fadd4b1391", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling libc v0.2.162
[INFO] [stderr]     Checking no-std-net v0.6.0
[INFO] [stderr]    Compiling serde v1.0.214
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking object v0.36.5
[INFO] [stderr]    Compiling regex-automata v0.4.8
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]    Compiling pnet v0.35.0
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking pnet_base v0.35.0
[INFO] [stderr]     Checking pnet_macros_support v0.35.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking pnet_sys v0.35.0
[INFO] [stderr]     Checking users v0.11.0
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking env_filter v0.1.2
[INFO] [stderr]     Checking env_logger v0.11.5
[INFO] [stderr]     Checking ipnetwork v0.20.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking pnet_datalink v0.35.0
[INFO] [stderr]     Checking backtrace v0.3.74
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling pnet_macros v0.35.0
[INFO] [stderr]    Compiling serde_derive v1.0.214
[INFO] [stderr]     Checking pnet_packet v0.35.0
[INFO] [stderr]     Checking pnet_transport v0.35.0
[INFO] [stderr]     Checking lib_arp v0.1.1 (/opt/rustwide/workdir/lib_arp)
[INFO] [stderr]     Checking fastarp v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/main.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io::{ Read };
[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: `Read`
[INFO] [stdout]  --> src/main.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io::{ Read };
[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 variable: `end`
[INFO] [stdout]   --> src/main.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let end = std::time::Instant::now();
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_end`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `end`
[INFO] [stdout]   --> src/main.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let end = std::time::Instant::now();
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_end`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_user_sudo` is never used
[INFO] [stdout]   --> src/main.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn is_user_sudo(){
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_user_sudo` is never used
[INFO] [stdout]   --> src/main.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn is_user_sudo(){
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.65s
[INFO] running `Command { std: "docker" "inspect" "2636852cfed02e360d30700bd0b66b8465efb7b5002daa9384cc84fadd4b1391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2636852cfed02e360d30700bd0b66b8465efb7b5002daa9384cc84fadd4b1391", kill_on_drop: false }`
[INFO] [stdout] 2636852cfed02e360d30700bd0b66b8465efb7b5002daa9384cc84fadd4b1391