[INFO] cloning repository https://github.com/Michael-F-Bryan/airbrush
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Michael-F-Bryan/airbrush" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichael-F-Bryan%2Fairbrush", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichael-F-Bryan%2Fairbrush'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd61583eb1b9d75c11e22a703011e2509029d136
[INFO] testing Michael-F-Bryan/airbrush against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichael-F-Bryan%2Fairbrush" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Michael-F-Bryan/airbrush on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Michael-F-Bryan/airbrush
[INFO] finished tweaking git repo https://github.com/Michael-F-Bryan/airbrush
[INFO] tweaked toml for git repo https://github.com/Michael-F-Bryan/airbrush written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Michael-F-Bryan/airbrush already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c96541fd39383f0c34253c7eeb3ab6975f50cdc39c1edb9c153494070bb5103
[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" "6c96541fd39383f0c34253c7eeb3ab6975f50cdc39c1edb9c153494070bb5103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c96541fd39383f0c34253c7eeb3ab6975f50cdc39c1edb9c153494070bb5103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c96541fd39383f0c34253c7eeb3ab6975f50cdc39c1edb9c153494070bb5103", kill_on_drop: false }`
[INFO] [stdout] 6c96541fd39383f0c34253c7eeb3ab6975f50cdc39c1edb9c153494070bb5103
[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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b4a2a00d2d183e308d67f18b5e94b7c2c63b71bbcb3053d36b7f832008a7ab1
[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" "3b4a2a00d2d183e308d67f18b5e94b7c2c63b71bbcb3053d36b7f832008a7ab1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling weezl v0.1.3
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling bytemuck v1.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling gif v0.11.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling euclid v0.22.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.20
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling image v0.23.12
[INFO] [stderr]    Compiling airbrush v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::convert::TryFrom`
[INFO] [stdout]  --> src/droplet.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rect`
[INFO] [stdout]  --> src/render.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use euclid::{Rect, Scale, Size2D};
[INFO] [stdout]   |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Pixel`
[INFO] [stdout]  --> src/render.rs:2:48
[INFO] [stdout]   |
[INFO] [stdout] 2 | use image::{GenericImageView, GrayImage, Luma, Pixel};
[INFO] [stdout]   |                                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `radius`
[INFO] [stdout]   --> src/droplet.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     radius: f64,
[INFO] [stdout]    |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_radius`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `drawing_units_per_pixel`
[INFO] [stdout]   --> src/droplet.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     drawing_units_per_pixel: Scale<f64, WorldSpace, CanvasSpace>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_drawing_units_per_pixel`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `coord`
[INFO] [stdout]   --> src/render.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         coord: Coordinate,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_coord`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dimensions`
[INFO] [stdout]   --> src/render.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn dimensions(&self) -> Size2D<u32, CanvasSpace> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `coordinate_to_pixel`
[INFO] [stdout]   --> src/render.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn coordinate_to_pixel(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.18s
[INFO] running `Command { std: "docker" "inspect" "3b4a2a00d2d183e308d67f18b5e94b7c2c63b71bbcb3053d36b7f832008a7ab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b4a2a00d2d183e308d67f18b5e94b7c2c63b71bbcb3053d36b7f832008a7ab1", kill_on_drop: false }`
[INFO] [stdout] 3b4a2a00d2d183e308d67f18b5e94b7c2c63b71bbcb3053d36b7f832008a7ab1
[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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", 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] d67142b0e749d041d34fd557eab6881753e6bf8c2b6e03a2fbdad27f1f26deb4
[INFO] running `Command { std: "docker" "start" "-a" "d67142b0e749d041d34fd557eab6881753e6bf8c2b6e03a2fbdad27f1f26deb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling airbrush v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::convert::TryFrom`
[INFO] [stdout]  --> src/droplet.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rect`
[INFO] [stdout]  --> src/render.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use euclid::{Rect, Scale, Size2D};
[INFO] [stdout]   |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Pixel`
[INFO] [stdout]  --> src/render.rs:2:48
[INFO] [stdout]   |
[INFO] [stdout] 2 | use image::{GenericImageView, GrayImage, Luma, Pixel};
[INFO] [stdout]   |                                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `radius`
[INFO] [stdout]   --> src/droplet.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     radius: f64,
[INFO] [stdout]    |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_radius`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `drawing_units_per_pixel`
[INFO] [stdout]   --> src/droplet.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     drawing_units_per_pixel: Scale<f64, WorldSpace, CanvasSpace>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_drawing_units_per_pixel`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `coord`
[INFO] [stdout]   --> src/render.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         coord: Coordinate,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_coord`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dimensions`
[INFO] [stdout]   --> src/render.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn dimensions(&self) -> Size2D<u32, CanvasSpace> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `coordinate_to_pixel`
[INFO] [stdout]   --> src/render.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn coordinate_to_pixel(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryFrom`
[INFO] [stdout]  --> src/droplet.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rect`
[INFO] [stdout]  --> src/render.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use euclid::{Rect, Scale, Size2D};
[INFO] [stdout]   |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Pixel`
[INFO] [stdout]  --> src/render.rs:2:48
[INFO] [stdout]   |
[INFO] [stdout] 2 | use image::{GenericImageView, GrayImage, Luma, Pixel};
[INFO] [stdout]   |                                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `radius`
[INFO] [stdout]   --> src/droplet.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     radius: f64,
[INFO] [stdout]    |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_radius`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `drawing_units_per_pixel`
[INFO] [stdout]   --> src/droplet.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     drawing_units_per_pixel: Scale<f64, WorldSpace, CanvasSpace>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_drawing_units_per_pixel`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `coord`
[INFO] [stdout]   --> src/render.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         coord: Coordinate,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_coord`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dimensions`
[INFO] [stdout]   --> src/render.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn dimensions(&self) -> Size2D<u32, CanvasSpace> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `coordinate_to_pixel`
[INFO] [stdout]   --> src/render.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn coordinate_to_pixel(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.29s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/airbrush-25596c3cb44e37a2)
[INFO] running `Command { std: "docker" "inspect" "d67142b0e749d041d34fd557eab6881753e6bf8c2b6e03a2fbdad27f1f26deb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d67142b0e749d041d34fd557eab6881753e6bf8c2b6e03a2fbdad27f1f26deb4", kill_on_drop: false }`
[INFO] [stdout] d67142b0e749d041d34fd557eab6881753e6bf8c2b6e03a2fbdad27f1f26deb4
[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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", 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] b5e3d5cc5eb1a6e139e4bd27aa05510cea83ae116dbe5d8be8c6b2c9d1887f4f
[INFO] running `Command { std: "docker" "start" "-a" "b5e3d5cc5eb1a6e139e4bd27aa05510cea83ae116dbe5d8be8c6b2c9d1887f4f", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::convert::TryFrom`
[INFO] [stderr]  --> src/droplet.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::convert::TryFrom;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rect`
[INFO] [stderr]  --> src/render.rs:1:14
[INFO] [stderr]   |
[INFO] [stderr] 1 | use euclid::{Rect, Scale, Size2D};
[INFO] [stderr]   |              ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Pixel`
[INFO] [stderr]  --> src/render.rs:2:48
[INFO] [stderr]   |
[INFO] [stderr] 2 | use image::{GenericImageView, GrayImage, Luma, Pixel};
[INFO] [stderr]   |                                                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `radius`
[INFO] [stderr]   --> src/droplet.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     radius: f64,
[INFO] [stderr]    |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_radius`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `drawing_units_per_pixel`
[INFO] [stderr]   --> src/droplet.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     drawing_units_per_pixel: Scale<f64, WorldSpace, CanvasSpace>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_drawing_units_per_pixel`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `coord`
[INFO] [stderr]   --> src/render.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |         coord: Coordinate,
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_coord`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `dimensions`
[INFO] [stderr]   --> src/render.rs:41:8
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn dimensions(&self) -> Size2D<u32, CanvasSpace> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `coordinate_to_pixel`
[INFO] [stderr]   --> src/render.rs:45:8
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn coordinate_to_pixel(
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `airbrush` (lib) generated 8 warnings
[INFO] [stderr] warning: `airbrush` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/airbrush-25596c3cb44e37a2)
[INFO] [stderr]    Doc-tests airbrush
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b5e3d5cc5eb1a6e139e4bd27aa05510cea83ae116dbe5d8be8c6b2c9d1887f4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5e3d5cc5eb1a6e139e4bd27aa05510cea83ae116dbe5d8be8c6b2c9d1887f4f", kill_on_drop: false }`
[INFO] [stdout] b5e3d5cc5eb1a6e139e4bd27aa05510cea83ae116dbe5d8be8c6b2c9d1887f4f