[INFO] cloning repository https://github.com/JasonYuan869/parallel-floyd-steinberg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JasonYuan869/parallel-floyd-steinberg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJasonYuan869%2Fparallel-floyd-steinberg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJasonYuan869%2Fparallel-floyd-steinberg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9b655d9fb7a872ec45141718e1cdcd1ae3671404
[INFO] checking JasonYuan869/parallel-floyd-steinberg/9b655d9fb7a872ec45141718e1cdcd1ae3671404 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJasonYuan869%2Fparallel-floyd-steinberg" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JasonYuan869/parallel-floyd-steinberg on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JasonYuan869/parallel-floyd-steinberg
[INFO] finished tweaking git repo https://github.com/JasonYuan869/parallel-floyd-steinberg
[INFO] tweaked toml for git repo https://github.com/JasonYuan869/parallel-floyd-steinberg written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/JasonYuan869/parallel-floyd-steinberg already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]   Downloaded rgb v0.8.40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae706a9cf6222ed7feefe7d96018de2d633e2059ccbfc4bc4c92406255cd2607
[INFO] running `Command { std: "docker" "start" "-a" "ae706a9cf6222ed7feefe7d96018de2d633e2059ccbfc4bc4c92406255cd2607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae706a9cf6222ed7feefe7d96018de2d633e2059ccbfc4bc4c92406255cd2607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae706a9cf6222ed7feefe7d96018de2d633e2059ccbfc4bc4c92406255cd2607", kill_on_drop: false }`
[INFO] [stdout] ae706a9cf6222ed7feefe7d96018de2d633e2059ccbfc4bc4c92406255cd2607
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26477a1372ea9d010ef50dd247104759d5f8f29f3c59c402fbb15ec8529a1267
[INFO] running `Command { std: "docker" "start" "-a" "26477a1372ea9d010ef50dd247104759d5f8f29f3c59c402fbb15ec8529a1267", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]  --> src/convert_channels.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::{Arc, Mutex};
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sender`
[INFO] [stdout]  --> src/convert_channels.rs:2:36
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crossbeam::channel::{Receiver, Sender, unbounded};
[INFO] [stdout]   |                                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rgb`
[INFO] [stdout]  --> src/convert_channels.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use image::{Rgb, RgbImage};
[INFO] [stdout]   |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]  --> src/convert_channels.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::{Arc, Mutex};
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sender`
[INFO] [stdout]  --> src/convert_channels.rs:2:36
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crossbeam::channel::{Receiver, Sender, unbounded};
[INFO] [stdout]   |                                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rgb`
[INFO] [stdout]  --> src/convert_channels.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use image::{Rgb, RgbImage};
[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` profile [unoptimized + debuginfo] target(s) in 18.05s
[INFO] running `Command { std: "docker" "inspect" "26477a1372ea9d010ef50dd247104759d5f8f29f3c59c402fbb15ec8529a1267", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26477a1372ea9d010ef50dd247104759d5f8f29f3c59c402fbb15ec8529a1267", kill_on_drop: false }`
[INFO] [stdout] 26477a1372ea9d010ef50dd247104759d5f8f29f3c59c402fbb15ec8529a1267