[INFO] cloning repository https://github.com/joncarr/ranbo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joncarr/ranbo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoncarr%2Franbo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoncarr%2Franbo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ee26fc010269f30c919c7b08d45e2f2e8a79689
[INFO] checking joncarr/ranbo against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoncarr%2Franbo" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joncarr/ranbo on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/joncarr/ranbo
[INFO] finished tweaking git repo https://github.com/joncarr/ranbo
[INFO] tweaked toml for git repo https://github.com/joncarr/ranbo written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/joncarr/ranbo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aeb8d77dd904ec29df107b255e88646670ec92892846440a45862764a9eff997
[INFO] running `Command { std: "docker" "start" "-a" "aeb8d77dd904ec29df107b255e88646670ec92892846440a45862764a9eff997", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aeb8d77dd904ec29df107b255e88646670ec92892846440a45862764a9eff997", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeb8d77dd904ec29df107b255e88646670ec92892846440a45862764a9eff997", kill_on_drop: false }`
[INFO] [stdout] aeb8d77dd904ec29df107b255e88646670ec92892846440a45862764a9eff997
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4640d142896bed7e30fb5b24b3ec94e3facb7c1af438e6fb13fc992b6c3ae17
[INFO] running `Command { std: "docker" "start" "-a" "e4640d142896bed7e30fb5b24b3ec94e3facb7c1af438e6fb13fc992b6c3ae17", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking bytemuck v1.5.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking weezl v0.1.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking rgb v0.8.27
[INFO] [stderr]     Checking gif v0.11.2
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking color-thief v0.2.1
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking ranbo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `as_string`
[INFO] [stdout]   --> src/color.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn as_string(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `darken`
[INFO] [stdout]   --> src/color.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn darken(&mut self, percent: u8) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lighten`
[INFO] [stdout]   --> src/color.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn lighten(&mut self, percent: u8) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `RGBA`
[INFO] [stdout]   --> src/color.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct RGBA {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/color.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn new(r: u8, g: u8, b: u8, a: u8) -> RGBA {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lighten`
[INFO] [stdout]   --> src/color.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn lighten(&mut self, percent: u8) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_string`
[INFO] [stdout]   --> src/color.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn as_string(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `darken`
[INFO] [stdout]   --> src/color.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn darken(&mut self, percent: u8) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lighten`
[INFO] [stdout]   --> src/color.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn lighten(&mut self, percent: u8) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `RGBA`
[INFO] [stdout]   --> src/color.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct RGBA {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/color.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn new(r: u8, g: u8, b: u8, a: u8) -> RGBA {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lighten`
[INFO] [stdout]   --> src/color.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn lighten(&mut self, percent: u8) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.93s
[INFO] running `Command { std: "docker" "inspect" "e4640d142896bed7e30fb5b24b3ec94e3facb7c1af438e6fb13fc992b6c3ae17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4640d142896bed7e30fb5b24b3ec94e3facb7c1af438e6fb13fc992b6c3ae17", kill_on_drop: false }`
[INFO] [stdout] e4640d142896bed7e30fb5b24b3ec94e3facb7c1af438e6fb13fc992b6c3ae17