[INFO] cloning repository https://github.com/malpa222/drip
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/malpa222/drip" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalpa222%2Fdrip", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalpa222%2Fdrip'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 758557ed3963b173f59c3c029228c2d825eb9ed2
[INFO] testing malpa222/drip against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalpa222%2Fdrip" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/malpa222/drip
[INFO] finished tweaking git repo https://github.com/malpa222/drip
[INFO] tweaked toml for git repo https://github.com/malpa222/drip written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/malpa222/drip on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/malpa222/drip 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d226953ee7c146b3e21a0d941dfe7b6428962fe0b322b957de1de37e9fd2e718
[INFO] running `Command { std: "docker" "start" "-a" "d226953ee7c146b3e21a0d941dfe7b6428962fe0b322b957de1de37e9fd2e718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d226953ee7c146b3e21a0d941dfe7b6428962fe0b322b957de1de37e9fd2e718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d226953ee7c146b3e21a0d941dfe7b6428962fe0b322b957de1de37e9fd2e718", kill_on_drop: false }`
[INFO] [stdout] d226953ee7c146b3e21a0d941dfe7b6428962fe0b322b957de1de37e9fd2e718
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88d69066af72a739ea65f9513241c9f96464a0af548d9b403a2a9b5a7375f12b
[INFO] running `Command { std: "docker" "start" "-a" "88d69066af72a739ea65f9513241c9f96464a0af548d9b403a2a9b5a7375f12b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling simd-adler32 v0.3.5
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling bytemuck v1.13.1
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling zune-inflate v0.2.53
[INFO] [stderr]    Compiling fdeflate v0.3.0
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling qoi v0.4.1
[INFO] [stderr]    Compiling flate2 v1.0.25
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling getrandom v0.2.9
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling png v0.17.8
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling rayon v1.7.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]    Compiling jpeg-decoder v0.3.0
[INFO] [stderr]    Compiling pin-project v1.0.12
[INFO] [stderr]    Compiling flume v0.10.14
[INFO] [stderr]    Compiling tiff v0.8.1
[INFO] [stderr]    Compiling exr v1.6.3
[INFO] [stderr]    Compiling image v0.24.6
[INFO] [stderr]    Compiling sorter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `BLACK` is never used
[INFO] [stdout]  --> src/sorting/sorter.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const BLACK: i32 = 0x00000;
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `WHITE` is never used
[INFO] [stdout]  --> src/sorting/sorter.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const WHITE: i32 = 0xfffff;
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Lightness` and `Saturation` are never constructed
[INFO] [stdout]   --> src/sorting/sorter.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) enum Markers {
[INFO] [stdout]    |                 ------- variants in this enum
[INFO] [stdout] 15 |     Hue,
[INFO] [stdout] 16 |     Lightness,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 17 |     Saturation
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Columns` and `Both` are never constructed
[INFO] [stdout]   --> src/sorting/sorter.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub(crate) enum Directions {
[INFO] [stdout]    |                 ---------- variants in this enum
[INFO] [stdout] 21 |     Rows,
[INFO] [stdout] 22 |     Columns,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 23 |     Both
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_saturation` is never used
[INFO] [stdout]   --> src/sorting/pixel_value.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn get_saturation(pixel: &Rgba<u8>) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sort_and_normalize` is never used
[INFO] [stdout]   --> src/sorting/pixel_value.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn sort_and_normalize(pixel: &Rgba<u8>) -> [f32; 3] {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Marker` should have a snake case name
[INFO] [stdout]   --> src/sorting/sorter.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub Marker: Markers,
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `marker`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Direction` should have a snake case name
[INFO] [stdout]   --> src/sorting/sorter.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub Direction: Directions
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case: `direction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.78s
[INFO] running `Command { std: "docker" "inspect" "88d69066af72a739ea65f9513241c9f96464a0af548d9b403a2a9b5a7375f12b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88d69066af72a739ea65f9513241c9f96464a0af548d9b403a2a9b5a7375f12b", kill_on_drop: false }`
[INFO] [stdout] 88d69066af72a739ea65f9513241c9f96464a0af548d9b403a2a9b5a7375f12b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f83e7e0257f0486b397c3b65fc0ffdf969d1546175ecd38b7ac3968a0c9dfa2d
[INFO] running `Command { std: "docker" "start" "-a" "f83e7e0257f0486b397c3b65fc0ffdf969d1546175ecd38b7ac3968a0c9dfa2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling sorter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `BLACK` is never used
[INFO] [stdout]  --> src/sorting/sorter.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const BLACK: i32 = 0x00000;
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `WHITE` is never used
[INFO] [stdout]  --> src/sorting/sorter.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const WHITE: i32 = 0xfffff;
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Lightness` and `Saturation` are never constructed
[INFO] [stdout]   --> src/sorting/sorter.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) enum Markers {
[INFO] [stdout]    |                 ------- variants in this enum
[INFO] [stdout] 15 |     Hue,
[INFO] [stdout] 16 |     Lightness,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 17 |     Saturation
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Columns` and `Both` are never constructed
[INFO] [stdout]   --> src/sorting/sorter.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub(crate) enum Directions {
[INFO] [stdout]    |                 ---------- variants in this enum
[INFO] [stdout] 21 |     Rows,
[INFO] [stdout] 22 |     Columns,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 23 |     Both
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_saturation` is never used
[INFO] [stdout]   --> src/sorting/pixel_value.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn get_saturation(pixel: &Rgba<u8>) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sort_and_normalize` is never used
[INFO] [stdout]   --> src/sorting/pixel_value.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn sort_and_normalize(pixel: &Rgba<u8>) -> [f32; 3] {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Marker` should have a snake case name
[INFO] [stdout]   --> src/sorting/sorter.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub Marker: Markers,
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `marker`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Direction` should have a snake case name
[INFO] [stdout]   --> src/sorting/sorter.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub Direction: Directions
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case: `direction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "f83e7e0257f0486b397c3b65fc0ffdf969d1546175ecd38b7ac3968a0c9dfa2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f83e7e0257f0486b397c3b65fc0ffdf969d1546175ecd38b7ac3968a0c9dfa2d", kill_on_drop: false }`
[INFO] [stdout] f83e7e0257f0486b397c3b65fc0ffdf969d1546175ecd38b7ac3968a0c9dfa2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c1aeccc2a3d0a775b8f5ebc51da709d32ae08a215b370bf6a13fa0858f83c329
[INFO] running `Command { std: "docker" "start" "-a" "c1aeccc2a3d0a775b8f5ebc51da709d32ae08a215b370bf6a13fa0858f83c329", kill_on_drop: false }`
[INFO] [stderr] warning: constant `BLACK` is never used
[INFO] [stderr]  --> src/sorting/sorter.rs:6:7
[INFO] [stderr]   |
[INFO] [stderr] 6 | const BLACK: i32 = 0x00000;
[INFO] [stderr]   |       ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `WHITE` is never used
[INFO] [stderr]  --> src/sorting/sorter.rs:7:7
[INFO] [stderr]   |
[INFO] [stderr] 7 | const WHITE: i32 = 0xfffff;
[INFO] [stderr]   |       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Lightness` and `Saturation` are never constructed
[INFO] [stderr]   --> src/sorting/sorter.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub(crate) enum Markers {
[INFO] [stderr]    |                 ------- variants in this enum
[INFO] [stderr] 15 |     Hue,
[INFO] [stderr] 16 |     Lightness,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 17 |     Saturation
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Columns` and `Both` are never constructed
[INFO] [stderr]   --> src/sorting/sorter.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub(crate) enum Directions {
[INFO] [stderr]    |                 ---------- variants in this enum
[INFO] [stderr] 21 |     Rows,
[INFO] [stderr] 22 |     Columns,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 23 |     Both
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_saturation` is never used
[INFO] [stderr]   --> src/sorting/pixel_value.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn get_saturation(pixel: &Rgba<u8>) -> f32 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `sort_and_normalize` is never used
[INFO] [stderr]   --> src/sorting/pixel_value.rs:47:4
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn sort_and_normalize(pixel: &Rgba<u8>) -> [f32; 3] {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Marker` should have a snake case name
[INFO] [stderr]   --> src/sorting/sorter.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub Marker: Markers,
[INFO] [stderr]    |         ^^^^^^ help: convert the identifier to snake case: `marker`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Direction` should have a snake case name
[INFO] [stderr]   --> src/sorting/sorter.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub Direction: Directions
[INFO] [stderr]    |         ^^^^^^^^^ help: convert the identifier to snake case: `direction`
[INFO] [stderr] 
[INFO] [stderr] warning: `sorter` (bin "sorter" test) generated 8 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sorter-ac92f91074edc477)
[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" "c1aeccc2a3d0a775b8f5ebc51da709d32ae08a215b370bf6a13fa0858f83c329", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1aeccc2a3d0a775b8f5ebc51da709d32ae08a215b370bf6a13fa0858f83c329", kill_on_drop: false }`
[INFO] [stdout] c1aeccc2a3d0a775b8f5ebc51da709d32ae08a215b370bf6a13fa0858f83c329
