[INFO] cloning repository https://github.com/njames/mandlebrot-browser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/njames/mandlebrot-browser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnjames%2Fmandlebrot-browser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnjames%2Fmandlebrot-browser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eb605d3176ccb5b05d0604999afc523d3d3bdec4
[INFO] testing njames/mandlebrot-browser against 1.93.0 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnjames%2Fmandlebrot-browser" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/njames/mandlebrot-browser
[INFO] finished tweaking git repo https://github.com/njames/mandlebrot-browser
[INFO] tweaked toml for git repo https://github.com/njames/mandlebrot-browser written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/njames/mandlebrot-browser on toolchain 1.93.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.93.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/njames/mandlebrot-browser 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" "+1.93.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]   Downloaded v_htmlescape v0.15.8
[INFO] [stderr]   Downloaded actix-files v0.6.6
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[INFO] [stderr]   Downloaded webp v0.2.6
[INFO] [stderr]   Downloaded libwebp-sys v0.9.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "a9d5dd65d3745cdd75f170cbf39431409ac3ee3fd114a77603437af3dd783c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9d5dd65d3745cdd75f170cbf39431409ac3ee3fd114a77603437af3dd783c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9d5dd65d3745cdd75f170cbf39431409ac3ee3fd114a77603437af3dd783c3c", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b5b6766d9be30574d38dec763747f123d87989a417d54e515512454e20132aa
[INFO] running `Command { std: "docker" "start" "-a" "7b5b6766d9be30574d38dec763747f123d87989a417d54e515512454e20132aa", kill_on_drop: false }`
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[INFO] [stderr]    Compiling zerofrom v0.1.6
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[INFO] [stderr]    Compiling derive_more v2.0.1
[INFO] [stderr]    Compiling tinystr v0.8.1
[INFO] [stderr]    Compiling potential_utf v0.1.2
[INFO] [stderr]    Compiling icu_locale_core v2.0.0
[INFO] [stderr]    Compiling icu_collections v2.0.0
[INFO] [stderr]    Compiling icu_provider v2.0.0
[INFO] [stderr]    Compiling icu_normalizer v2.0.0
[INFO] [stderr]    Compiling icu_properties v2.0.1
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling tokio-util v0.7.15
[INFO] [stderr]    Compiling actix-rt v2.10.0
[INFO] [stderr]    Compiling actix-server v2.6.0
[INFO] [stderr]    Compiling h2 v0.3.26
[INFO] [stderr]    Compiling actix-codec v0.5.2
[INFO] [stderr]    Compiling actix-http v3.11.0
[INFO] [stderr]    Compiling actix-web v4.11.0
[INFO] [stderr]    Compiling actix-files v0.6.6
[INFO] [stderr]    Compiling mandelbrot-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/tile_cache.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_palette` is never used
[INFO] [stdout]    --> src/mandelbrot.rs:116:12
[INFO] [stdout]     |
[INFO] [stdout]  13 | impl MandelbrotGenerator {
[INFO] [stdout]     | ------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 116 |     pub fn set_palette(&mut self, palette: ColorPalette) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `len`, `capacity`, and `clear` are never used
[INFO] [stdout]   --> src/tile_cache.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl TileCache {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn new(capacity: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn capacity(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/color_palettes.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ColorPalette {
[INFO] [stdout]   |            ------------ field in this struct
[INFO] [stdout] 5 |     colors: Vec<(u8, u8, u8)>,
[INFO] [stdout] 6 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ColorPalette` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `grayscale`, `fire`, `ocean`, and `name` are never used
[INFO] [stdout]    --> src/color_palettes.rs:26:12
[INFO] [stdout]     |
[INFO] [stdout]   9 | impl ColorPalette {
[INFO] [stdout]     | ----------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  26 |     pub fn grayscale() -> Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  40 |     pub fn fire() -> Self {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  57 |     pub fn ocean() -> Self {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |     pub fn name(&self) -> &str {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_available_palettes` is never used
[INFO] [stdout]    --> src/color_palettes.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub fn get_available_palettes() -> HashMap<String, ColorPalette> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `InvalidCoordinates` and `Internal` are never constructed
[INFO] [stdout]   --> src/errors.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub enum MandelbrotError {
[INFO] [stdout]    |          --------------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 10 |     InvalidCoordinates(u32, u32),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     Internal,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MandelbrotError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] running `Command { std: "docker" "inspect" "7b5b6766d9be30574d38dec763747f123d87989a417d54e515512454e20132aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b5b6766d9be30574d38dec763747f123d87989a417d54e515512454e20132aa", kill_on_drop: false }`
[INFO] [stdout] 7b5b6766d9be30574d38dec763747f123d87989a417d54e515512454e20132aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18b993c75fb155616178d22831f88a4b9bbd186af7ff975261478fa8cc893817
[INFO] running `Command { std: "docker" "start" "-a" "18b993c75fb155616178d22831f88a4b9bbd186af7ff975261478fa8cc893817", kill_on_drop: false }`
[INFO] [stderr]    Compiling mandelbrot-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/tile_cache.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_palette` is never used
[INFO] [stdout]    --> src/mandelbrot.rs:116:12
[INFO] [stdout]     |
[INFO] [stdout]  13 | impl MandelbrotGenerator {
[INFO] [stdout]     | ------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 116 |     pub fn set_palette(&mut self, palette: ColorPalette) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `len`, `capacity`, and `clear` are never used
[INFO] [stdout]   --> src/tile_cache.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl TileCache {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn new(capacity: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn capacity(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/color_palettes.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ColorPalette {
[INFO] [stdout]   |            ------------ field in this struct
[INFO] [stdout] 5 |     colors: Vec<(u8, u8, u8)>,
[INFO] [stdout] 6 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ColorPalette` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `grayscale`, `fire`, `ocean`, and `name` are never used
[INFO] [stdout]    --> src/color_palettes.rs:26:12
[INFO] [stdout]     |
[INFO] [stdout]   9 | impl ColorPalette {
[INFO] [stdout]     | ----------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  26 |     pub fn grayscale() -> Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  40 |     pub fn fire() -> Self {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  57 |     pub fn ocean() -> Self {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |     pub fn name(&self) -> &str {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_available_palettes` is never used
[INFO] [stdout]    --> src/color_palettes.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub fn get_available_palettes() -> HashMap<String, ColorPalette> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `InvalidCoordinates` and `Internal` are never constructed
[INFO] [stdout]   --> src/errors.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub enum MandelbrotError {
[INFO] [stdout]    |          --------------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 10 |     InvalidCoordinates(u32, u32),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     Internal,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MandelbrotError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "18b993c75fb155616178d22831f88a4b9bbd186af7ff975261478fa8cc893817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18b993c75fb155616178d22831f88a4b9bbd186af7ff975261478fa8cc893817", kill_on_drop: false }`
[INFO] [stdout] 18b993c75fb155616178d22831f88a4b9bbd186af7ff975261478fa8cc893817
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5deee0a13f341fa37b6c87bc56f60f99a0f28c2366f0f58198eaae491137f4f4
[INFO] running `Command { std: "docker" "start" "-a" "5deee0a13f341fa37b6c87bc56f60f99a0f28c2366f0f58198eaae491137f4f4", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Path`
[INFO] [stdout] 
[INFO] [stderr]  --> src/tile_cache.rs:3:17
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 3 | use std::path::{Path, PathBuf};
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `set_palette` is never used
[INFO] [stderr]    --> src/mandelbrot.rs:116:12
[INFO] [stderr]     |
[INFO] [stderr]  13 | impl MandelbrotGenerator {
[INFO] [stderr]     | ------------------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 116 |     pub fn set_palette(&mut self, palette: ColorPalette) {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `len`, `capacity`, and `clear` are never used
[INFO] [stderr]   --> src/tile_cache.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl TileCache {
[INFO] [stderr]    | -------------- associated items in this implementation
[INFO] [stderr] 14 |     pub fn new(capacity: usize) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 66 |     pub fn len(&self) -> usize {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 70 |     pub fn capacity(&self) -> usize {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 74 |     pub fn clear(&mut self) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]  --> src/color_palettes.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct ColorPalette {
[INFO] [stderr]   |            ------------ field in this struct
[INFO] [stderr] 5 |     colors: Vec<(u8, u8, u8)>,
[INFO] [stderr] 6 |     name: String,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `ColorPalette` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `grayscale`, `fire`, `ocean`, and `name` are never used
[INFO] [stderr]    --> src/color_palettes.rs:26:12
[INFO] [stderr]     |
[INFO] [stderr]   9 | impl ColorPalette {
[INFO] [stderr]     | ----------------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr]  26 |     pub fn grayscale() -> Self {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  40 |     pub fn fire() -> Self {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr]  57 |     pub fn ocean() -> Self {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 112 |     pub fn name(&self) -> &str {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_available_palettes` is never used
[INFO] [stderr]    --> src/color_palettes.rs:117:8
[INFO] [stderr]     |
[INFO] [stderr] 117 | pub fn get_available_palettes() -> HashMap<String, ColorPalette> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `InvalidCoordinates` and `Internal` are never constructed
[INFO] [stderr]   --> src/errors.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr]  5 | pub enum MandelbrotError {
[INFO] [stderr]    |          --------------- variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 10 |     InvalidCoordinates(u32, u32),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 19 |     Internal,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `MandelbrotError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `mandelbrot-server` (bin "mandelbrot-server" test) generated 7 warnings (run `cargo fix --bin "mandelbrot-server" -p mandelbrot-server --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mandelbrot_server-08f814371c4262cd)
[INFO] running `Command { std: "docker" "inspect" "5deee0a13f341fa37b6c87bc56f60f99a0f28c2366f0f58198eaae491137f4f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5deee0a13f341fa37b6c87bc56f60f99a0f28c2366f0f58198eaae491137f4f4", kill_on_drop: false }`
[INFO] [stdout] 5deee0a13f341fa37b6c87bc56f60f99a0f28c2366f0f58198eaae491137f4f4
