[INFO] fetching crate NetworkUtils 0.0.0...
[INFO] checking NetworkUtils-0.0.0 against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] extracting crate NetworkUtils 0.0.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate NetworkUtils 0.0.0 on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate NetworkUtils 0.0.0
[INFO] finished tweaking crates.io crate NetworkUtils 0.0.0
[INFO] tweaked toml for crates.io crate NetworkUtils 0.0.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate NetworkUtils 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78a80045066bd531df239eed9fd2f54995491856654f5462b7d4fe672f86d2f8
[INFO] running `Command { std: "docker" "start" "-a" "78a80045066bd531df239eed9fd2f54995491856654f5462b7d4fe672f86d2f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78a80045066bd531df239eed9fd2f54995491856654f5462b7d4fe672f86d2f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78a80045066bd531df239eed9fd2f54995491856654f5462b7d4fe672f86d2f8", kill_on_drop: false }`
[INFO] [stdout] 78a80045066bd531df239eed9fd2f54995491856654f5462b7d4fe672f86d2f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08380ed668974b705d65928bed309a19f1590bda6d36bdc657554de1f27cbed5
[INFO] running `Command { std: "docker" "start" "-a" "08380ed668974b705d65928bed309a19f1590bda6d36bdc657554de1f27cbed5", kill_on_drop: false }`
[INFO] [stderr]     Checking NetworkUtils v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `IpAddr`, `SocketAddr`, `UdpSocket`
[INFO] [stdout]  --> src/main.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::{UdpSocket, SocketAddr, IpAddr};
[INFO] [stdout]   |                ^^^^^^^^^  ^^^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `NetworkUtils` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `network_utils`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IpAddr`, `SocketAddr`, `UdpSocket`
[INFO] [stdout]  --> src/main.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::{UdpSocket, SocketAddr, IpAddr};
[INFO] [stdout]   |                ^^^^^^^^^  ^^^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `NetworkUtils` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `network_utils`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "08380ed668974b705d65928bed309a19f1590bda6d36bdc657554de1f27cbed5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08380ed668974b705d65928bed309a19f1590bda6d36bdc657554de1f27cbed5", kill_on_drop: false }`
[INFO] [stdout] 08380ed668974b705d65928bed309a19f1590bda6d36bdc657554de1f27cbed5