[INFO] fetching crate color-rs 0.6.1...
[INFO] checking color-rs-0.6.1 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate color-rs 0.6.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate color-rs 0.6.1 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate color-rs 0.6.1
[INFO] finished tweaking crates.io crate color-rs 0.6.1
[INFO] tweaked toml for crates.io crate color-rs 0.6.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b973c6118f9f27acc3698a7b51cc8343da9bce622a22a70fcdc629c77ed74637
[INFO] running `Command { std: "docker" "start" "-a" "b973c6118f9f27acc3698a7b51cc8343da9bce622a22a70fcdc629c77ed74637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b973c6118f9f27acc3698a7b51cc8343da9bce622a22a70fcdc629c77ed74637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b973c6118f9f27acc3698a7b51cc8343da9bce622a22a70fcdc629c77ed74637", kill_on_drop: false }`
[INFO] [stdout] b973c6118f9f27acc3698a7b51cc8343da9bce622a22a70fcdc629c77ed74637
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8f4bf57c0c60292f1a6d5982f49a4a1bb08e70c452ddb80c1cfc78276f1f1cb
[INFO] running `Command { std: "docker" "start" "-a" "c8f4bf57c0c60292f1a6d5982f49a4a1bb08e70c452ddb80c1cfc78276f1f1cb", kill_on_drop: false }`
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking angle v0.4.0
[INFO] [stderr]     Checking color-rs v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Vec3`
[INFO] [stdout]   --> src/rgb.rs:20:77
[INFO] [stdout]    |
[INFO] [stdout] 20 | use color_space::{TransferFunction, Srgb, LinearRgb, MatrixColorSpace, D65, Vec3};
[INFO] [stdout]    |                                                                             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AlphaColor`
[INFO] [stdout]   --> src/luma.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use AlphaColor;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AddAssign`, `Div`, `Mul`, `Sub`
[INFO] [stdout]  --> src/yxy.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ops::{Add, AddAssign, Sub, Mul, Div};
[INFO] [stdout]   |                     ^^^^^^^^^  ^^^  ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Vec3`
[INFO] [stdout]   --> src/rgb.rs:20:77
[INFO] [stdout]    |
[INFO] [stdout] 20 | use color_space::{TransferFunction, Srgb, LinearRgb, MatrixColorSpace, D65, Vec3};
[INFO] [stdout]    |                                                                             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AlphaColor`
[INFO] [stdout]   --> src/luma.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use AlphaColor;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AddAssign`, `Div`, `Mul`, `Sub`
[INFO] [stdout]  --> src/yxy.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ops::{Add, AddAssign, Sub, Mul, Div};
[INFO] [stdout]   |                     ^^^^^^^^^  ^^^  ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.05s
[INFO] running `Command { std: "docker" "inspect" "c8f4bf57c0c60292f1a6d5982f49a4a1bb08e70c452ddb80c1cfc78276f1f1cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8f4bf57c0c60292f1a6d5982f49a4a1bb08e70c452ddb80c1cfc78276f1f1cb", kill_on_drop: false }`
[INFO] [stdout] c8f4bf57c0c60292f1a6d5982f49a4a1bb08e70c452ddb80c1cfc78276f1f1cb