[INFO] fetching crate color-rs 0.6.1...
[INFO] checking color-rs-0.6.1 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate color-rs 0.6.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate color-rs 0.6.1 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded angle v0.4.0
[INFO] [stderr]   Downloaded kmeans_colors v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8973137bb8e2cc1ddf471b05e2b84263feef9aad586925a888e35fc5b749d83b
[INFO] running `Command { std: "docker" "start" "-a" "8973137bb8e2cc1ddf471b05e2b84263feef9aad586925a888e35fc5b749d83b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8973137bb8e2cc1ddf471b05e2b84263feef9aad586925a888e35fc5b749d83b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8973137bb8e2cc1ddf471b05e2b84263feef9aad586925a888e35fc5b749d83b", kill_on_drop: false }`
[INFO] [stdout] 8973137bb8e2cc1ddf471b05e2b84263feef9aad586925a888e35fc5b749d83b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 907067a72ae0570a25aadae504a6742255db8a5c2245bca8936c0ab34769340e
[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" "907067a72ae0570a25aadae504a6742255db8a5c2245bca8936c0ab34769340e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.64s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "907067a72ae0570a25aadae504a6742255db8a5c2245bca8936c0ab34769340e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "907067a72ae0570a25aadae504a6742255db8a5c2245bca8936c0ab34769340e", kill_on_drop: false }`
[INFO] [stdout] 907067a72ae0570a25aadae504a6742255db8a5c2245bca8936c0ab34769340e