[INFO] cloning repository https://github.com/werner291/tree-fitting
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/werner291/tree-fitting" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwerner291%2Ftree-fitting", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwerner291%2Ftree-fitting'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2f49e6f36e2aba523bbc4678872a5ac23b44ddd5
[INFO] checking werner291/tree-fitting against master#4c60a0ea5b2385d7400df9db1ad04e96f2a4c154 for 92191_revert
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwerner291%2Ftree-fitting" "/workspace/builds/worker-92/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-92/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/werner291/tree-fitting on toolchain 4c60a0ea5b2385d7400df9db1ad04e96f2a4c154
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/werner291/tree-fitting
[INFO] finished tweaking git repo https://github.com/werner291/tree-fitting
[INFO] tweaked toml for git repo https://github.com/werner291/tree-fitting written to /workspace/builds/worker-92/source/Cargo.toml
[INFO] crate git repo https://github.com/werner291/tree-fitting already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stdout] warning: unused imports: `GrayImage`, `ImageBuffer`, `RgbImage`, `Rgb`, `Rgba`
[INFO] [stdout]   --> src/main.rs:10:31
[INFO] [stdout]    |
[INFO] [stdout] 10 | use image::{GenericImageView, GrayImage, ImageBuffer, Rgb, RgbImage, Rgba, RgbaImage};
[INFO] [stdout]    |                               ^^^^^^^^^  ^^^^^^^^^^^  ^^^  ^^^^^^^^  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EventLoop`, `clear`, `ellipse_from_to`, `line`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     clear, ellipse_from_to, image as pimage, line, EventLoop, G2dTexture, OpenGL, PistonWindow,
[INFO] [stdout]    |     ^^^^^  ^^^^^^^^^^^^^^^                   ^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `GrayImage`, `ImageBuffer`, `RgbImage`, `Rgb`, `Rgba`
[INFO] [stdout]   --> src/main.rs:10:31
[INFO] [stdout]    |
[INFO] [stdout] 10 | use image::{GenericImageView, GrayImage, ImageBuffer, Rgb, RgbImage, Rgba, RgbaImage};
[INFO] [stdout]    |                               ^^^^^^^^^  ^^^^^^^^^^^  ^^^  ^^^^^^^^  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EventLoop`, `clear`, `ellipse_from_to`, `line`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     clear, ellipse_from_to, image as pimage, line, EventLoop, G2dTexture, OpenGL, PistonWindow,
[INFO] [stdout]    |     ^^^^^  ^^^^^^^^^^^^^^^                   ^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GenericImageView`
[INFO] [stdout]   --> src/main.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 | use image::{GenericImageView, GrayImage, ImageBuffer, Rgb, RgbImage, Rgba, RgbaImage};
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GenericImageView`
[INFO] [stdout]   --> src/main.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 | use image::{GenericImageView, GrayImage, ImageBuffer, Rgb, RgbImage, Rgba, RgbaImage};
[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 [optimized + debuginfo] target(s) in 36.76s
[INFO] running `Command { std: "docker" "inspect" "8ac7e2440cc9b81415da7678b890dad85f064d086f2cea67306951d00f53bed3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ac7e2440cc9b81415da7678b890dad85f064d086f2cea67306951d00f53bed3", kill_on_drop: false }`
[INFO] [stdout] 8ac7e2440cc9b81415da7678b890dad85f064d086f2cea67306951d00f53bed3