[INFO] fetching crate colorsys 0.6.3...
[INFO] checking colorsys-0.6.3 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate colorsys 0.6.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate colorsys 0.6.3 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate colorsys 0.6.3
[INFO] finished tweaking crates.io crate colorsys 0.6.3
[INFO] tweaked toml for crates.io crate colorsys 0.6.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fbc1990395f7ca1d7c75292e357424f79f45d65d58da019873f2622e075c238c
[INFO] running `Command { std: "docker" "start" "-a" "fbc1990395f7ca1d7c75292e357424f79f45d65d58da019873f2622e075c238c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbc1990395f7ca1d7c75292e357424f79f45d65d58da019873f2622e075c238c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbc1990395f7ca1d7c75292e357424f79f45d65d58da019873f2622e075c238c", kill_on_drop: false }`
[INFO] [stdout] fbc1990395f7ca1d7c75292e357424f79f45d65d58da019873f2622e075c238c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e79aeef400470a2e418faa70c00210889ae99278d17bbebe8db79157d0133de8
[INFO] running `Command { std: "docker" "start" "-a" "e79aeef400470a2e418faa70c00210889ae99278d17bbebe8db79157d0133de8", kill_on_drop: false }`
[INFO] [stderr]     Checking colorsys v0.6.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `hex_to_rgb`
[INFO] [stdout]   --> src/converters/hex_to_rgb.rs:56:49
[INFO] [stdout]    |
[INFO] [stdout] 56 |   use crate::converters::hex_to_rgb::{from_hex, hex_to_rgb};
[INFO] [stdout]    |                                                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hsla_tuple`
[INFO] [stdout]   --> tests/tst.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 |   let hsla_tuple: (f64,f64,f64,f64) = Hsl::from( Rgb::from(rgb_arr) ).into();
[INFO] [stdout]    |       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hsla_tuple`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hex`
[INFO] [stdout]   --> tests/tst.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 |   let hex: String = rgba.to_hex_string();
[INFO] [stdout]    |       ^^^ help: if this is intentional, prefix it with an underscore: `_hex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "e79aeef400470a2e418faa70c00210889ae99278d17bbebe8db79157d0133de8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e79aeef400470a2e418faa70c00210889ae99278d17bbebe8db79157d0133de8", kill_on_drop: false }`
[INFO] [stdout] e79aeef400470a2e418faa70c00210889ae99278d17bbebe8db79157d0133de8