[INFO] cloning repository https://github.com/nakanishy/rust-color
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nakanishy/rust-color" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnakanishy%2Frust-color", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnakanishy%2Frust-color'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1855f18e300a46f6704be5a92e4241b9297346f4
[INFO] checking nakanishy/rust-color against 79c0559184f27f4433a6fbc260b950d06d4a4889 for pr-162233-crater-rollup
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnakanishy%2Frust-color" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nakanishy/rust-color
[INFO] finished tweaking git repo https://github.com/nakanishy/rust-color
[INFO] tweaked toml for git repo https://github.com/nakanishy/rust-color written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nakanishy/rust-color on toolchain 79c0559184f27f4433a6fbc260b950d06d4a4889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nakanishy/rust-color 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" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "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 nakanishy/rust-color against 79c0559184f27f4433a6fbc260b950d06d4a4889 for pr-162233-crater-rollup
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnakanishy%2Frust-color" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nakanishy/rust-color
[INFO] finished tweaking git repo https://github.com/nakanishy/rust-color
[INFO] tweaked toml for git repo https://github.com/nakanishy/rust-color written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nakanishy/rust-color on toolchain 79c0559184f27f4433a6fbc260b950d06d4a4889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nakanishy/rust-color 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" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "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-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 480bf673646477b07feb6fe514905b94847476016dda435836a03a23cfebcb10
[INFO] running `Command { std: "docker" "start" "480bf673646477b07feb6fe514905b94847476016dda435836a03a23cfebcb10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "480bf673646477b07feb6fe514905b94847476016dda435836a03a23cfebcb10", 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" "480bf673646477b07feb6fe514905b94847476016dda435836a03a23cfebcb10" "/opt/rustwide/cargo-home/bin/cargo" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "480bf673646477b07feb6fe514905b94847476016dda435836a03a23cfebcb10", 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" "480bf673646477b07feb6fe514905b94847476016dda435836a03a23cfebcb10" "/opt/rustwide/cargo-home/bin/cargo" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking color v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut color_codes = vec![
[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: associated items `new`, `set_saturation`, and `set_lightness` are never used
[INFO] [stdout]   --> src/color/hsl.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Hsl {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 14 |     fn new(h: f32, s: f32, l: f32) -> anyhow::Result<Self> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn set_saturation(&mut self, s: f32) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn set_lightness(&mut self, l: f32) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (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:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut color_codes = vec![
[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: associated items `new`, `set_saturation`, and `set_lightness` are never used
[INFO] [stdout]   --> src/color/hsl.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Hsl {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 14 |     fn new(h: f32, s: f32, l: f32) -> anyhow::Result<Self> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn set_saturation(&mut self, s: f32) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn set_lightness(&mut self, l: f32) {
[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 0.12s
[INFO] running `Command { std: "docker" "inspect" "480bf673646477b07feb6fe514905b94847476016dda435836a03a23cfebcb10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "480bf673646477b07feb6fe514905b94847476016dda435836a03a23cfebcb10", kill_on_drop: false }`
[INFO] [stdout] 480bf673646477b07feb6fe514905b94847476016dda435836a03a23cfebcb10
