[INFO] fetching crate color-rs 0.6.1...
[INFO] checking color-rs-0.6.1 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate color-rs 0.6.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate color-rs 0.6.1 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", 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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b985333e07fd1e6f2669e4e739ab2906fe3032745836ec3b41d664ade9ea374e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b985333e07fd1e6f2669e4e739ab2906fe3032745836ec3b41d664ade9ea374e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b985333e07fd1e6f2669e4e739ab2906fe3032745836ec3b41d664ade9ea374e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b985333e07fd1e6f2669e4e739ab2906fe3032745836ec3b41d664ade9ea374e", kill_on_drop: false }`
[INFO] [stdout] b985333e07fd1e6f2669e4e739ab2906fe3032745836ec3b41d664ade9ea374e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f99f6dcef5d611606db65941979ca7b9f8a6f7d04c6140de860a30cb26bfc26
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3f99f6dcef5d611606db65941979ca7b9f8a6f7d04c6140de860a30cb26bfc26", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.123
[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 23.28s
[INFO] running `Command { std: "docker" "inspect" "3f99f6dcef5d611606db65941979ca7b9f8a6f7d04c6140de860a30cb26bfc26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f99f6dcef5d611606db65941979ca7b9f8a6f7d04c6140de860a30cb26bfc26", kill_on_drop: false }`
[INFO] [stdout] 3f99f6dcef5d611606db65941979ca7b9f8a6f7d04c6140de860a30cb26bfc26