[INFO] cloning repository https://github.com/monodyle/cooler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/monodyle/cooler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmonodyle%2Fcooler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmonodyle%2Fcooler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a80f1d0ef67b795a45089e8f64e98a718d091a7d
[INFO] checking monodyle/cooler against try#5f6abd89da253a562ad85d235b9342a3ac336c28 for pr-156114
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmonodyle%2Fcooler" "/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/monodyle/cooler
[INFO] finished tweaking git repo https://github.com/monodyle/cooler
[INFO] tweaked toml for git repo https://github.com/monodyle/cooler written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/monodyle/cooler on toolchain 5f6abd89da253a562ad85d235b9342a3ac336c28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5f6abd89da253a562ad85d235b9342a3ac336c28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/monodyle/cooler 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" "+5f6abd89da253a562ad85d235b9342a3ac336c28" "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 monodyle/cooler against try#5f6abd89da253a562ad85d235b9342a3ac336c28 for pr-156114
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmonodyle%2Fcooler" "/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/monodyle/cooler
[INFO] finished tweaking git repo https://github.com/monodyle/cooler
[INFO] tweaked toml for git repo https://github.com/monodyle/cooler written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/monodyle/cooler on toolchain 5f6abd89da253a562ad85d235b9342a3ac336c28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5f6abd89da253a562ad85d235b9342a3ac336c28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/monodyle/cooler 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" "+5f6abd89da253a562ad85d235b9342a3ac336c28" "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 anyhow v1.0.52
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5f6abd89da253a562ad85d235b9342a3ac336c28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80dee87ce4cc4b2da121896b7cacc9117fc57cead1326bbf885d841ba0df6139
[INFO] running `Command { std: "docker" "start" "-a" "80dee87ce4cc4b2da121896b7cacc9117fc57cead1326bbf885d841ba0df6139", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80dee87ce4cc4b2da121896b7cacc9117fc57cead1326bbf885d841ba0df6139", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80dee87ce4cc4b2da121896b7cacc9117fc57cead1326bbf885d841ba0df6139", kill_on_drop: false }`
[INFO] [stdout] 80dee87ce4cc4b2da121896b7cacc9117fc57cead1326bbf885d841ba0df6139
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5f6abd89da253a562ad85d235b9342a3ac336c28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65e4fe6c4f24f083a4d7ab580011160b5ea4d8121a400e44d9ea56483df0729c
[INFO] running `Command { std: "docker" "start" "-a" "65e4fe6c4f24f083a4d7ab580011160b5ea4d8121a400e44d9ea56483df0729c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking coolor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `HSLColor` is never constructed
[INFO] [stdout]  --> src/color/hsl.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct HSLColor {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `to_rgb`, `parse`, `set_alpha`, `is_hsl_string`, and `print` are never used
[INFO] [stdout]   --> src/color/hsl.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl HSLColor {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn new(h: u16, s: u8, l: u8, a: Option<f32>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn to_rgb(&self) -> RGBColor {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn parse(color: &String) -> Result<Self, Error> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     pub fn set_alpha(&mut self, alpha: f32) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn is_hsl_string(color: &String) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |     pub fn print(&self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RGBColor` is never constructed
[INFO] [stdout]  --> src/color/rgb.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct RGBColor {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `to_hsl`, `parse`, `set_alpha`, `is_rgb_string`, and `print` are never used
[INFO] [stdout]    --> src/color/rgb.rs:33:12
[INFO] [stdout]     |
[INFO] [stdout]  32 | impl RGBColor {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout]  33 |     pub fn new(r: u8, g: u8, b: u8, a: Option<f32>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  42 |     pub fn to_hsl(&self) -> HSLColor {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  81 |     pub fn parse(color: &String) -> Result<Self, Error> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 190 |     pub fn set_alpha(&mut self, alpha: f32) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 194 |     pub fn is_rgb_string(color: &String) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 201 |     pub fn print(&self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `color_string_splitter` is never used
[INFO] [stdout]  --> src/color/utils.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn color_string_splitter(color: &String) -> Vec<&str> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `safe_value` is never used
[INFO] [stdout]   --> src/color/utils.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn safe_value<T>(low: T, high: T, value: T) -> T
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hex_to_u8` is never used
[INFO] [stdout]   --> src/color/utils.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn hex_to_u8(value: String) -> Result<u8, Error> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Error` is never constructed
[INFO] [stdout]  --> src/error.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Error {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/error.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Error {
[INFO] [stdout]   | ---------- associated function in this implementation
[INFO] [stdout] 9 |     pub fn new(message: &str) -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `parse`, `set_alpha`, `is_hsl_string`, and `print` are never used
[INFO] [stdout]   --> src/color/hsl.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl HSLColor {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn parse(color: &String) -> Result<Self, Error> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     pub fn set_alpha(&mut self, alpha: f32) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn is_hsl_string(color: &String) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |     pub fn print(&self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `to_hsl`, `set_alpha`, `is_rgb_string`, and `print` are never used
[INFO] [stdout]    --> src/color/rgb.rs:33:12
[INFO] [stdout]     |
[INFO] [stdout]  32 | impl RGBColor {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout]  33 |     pub fn new(r: u8, g: u8, b: u8, a: Option<f32>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  42 |     pub fn to_hsl(&self) -> HSLColor {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 190 |     pub fn set_alpha(&mut self, alpha: f32) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 194 |     pub fn is_rgb_string(color: &String) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 201 |     pub fn print(&self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `color_string_splitter` is never used
[INFO] [stdout]  --> src/color/utils.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn color_string_splitter(color: &String) -> Vec<&str> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "65e4fe6c4f24f083a4d7ab580011160b5ea4d8121a400e44d9ea56483df0729c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65e4fe6c4f24f083a4d7ab580011160b5ea4d8121a400e44d9ea56483df0729c", kill_on_drop: false }`
[INFO] [stdout] 65e4fe6c4f24f083a4d7ab580011160b5ea4d8121a400e44d9ea56483df0729c
