[INFO] cloning repository https://github.com/tdeith/pxl8r
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tdeith/pxl8r" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftdeith%2Fpxl8r", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftdeith%2Fpxl8r'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e53d7b640ca5921e1253a55e7052ee9d5bc5cd6
[INFO] checking tdeith/pxl8r against try#3857be5045fe74bd0f296f6f4c23db10f8857f73 for pr-156807
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftdeith%2Fpxl8r" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tdeith/pxl8r
[INFO] finished tweaking git repo https://github.com/tdeith/pxl8r
[INFO] tweaked toml for git repo https://github.com/tdeith/pxl8r written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tdeith/pxl8r on toolchain 3857be5045fe74bd0f296f6f4c23db10f8857f73
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tdeith/pxl8r 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" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking tdeith/pxl8r against try#3857be5045fe74bd0f296f6f4c23db10f8857f73 for pr-156807
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftdeith%2Fpxl8r" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tdeith/pxl8r
[INFO] finished tweaking git repo https://github.com/tdeith/pxl8r
[INFO] tweaked toml for git repo https://github.com/tdeith/pxl8r written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tdeith/pxl8r on toolchain 3857be5045fe74bd0f296f6f4c23db10f8857f73
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tdeith/pxl8r 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" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.2.20
[INFO] [stderr]   Downloaded bmp v0.5.0
[INFO] [stderr]   Downloaded winnow v0.7.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d093401befa32bdb4eb518d1cf94aaa84e6f5cf8d7b3fa20ab021bfa84bda1d8
[INFO] running `Command { std: "docker" "start" "-a" "d093401befa32bdb4eb518d1cf94aaa84e6f5cf8d7b3fa20ab021bfa84bda1d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d093401befa32bdb4eb518d1cf94aaa84e6f5cf8d7b3fa20ab021bfa84bda1d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d093401befa32bdb4eb518d1cf94aaa84e6f5cf8d7b3fa20ab021bfa84bda1d8", kill_on_drop: false }`
[INFO] [stdout] d093401befa32bdb4eb518d1cf94aaa84e6f5cf8d7b3fa20ab021bfa84bda1d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b05b5565810f04931abd6c8fc12bf92e4fd5665162d9a3c42c57e8efb5404c00
[INFO] running `Command { std: "docker" "start" "-a" "b05b5565810f04931abd6c8fc12bf92e4fd5665162d9a3c42c57e8efb5404c00", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]     Checking aligned-vec v0.5.0
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling built v0.7.7
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking getrandom v0.3.2
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]     Checking new_debug_unreachable v1.0.6
[INFO] [stderr]     Checking imgref v1.11.0
[INFO] [stderr]    Compiling noop_proc_macro v0.3.0
[INFO] [stderr]     Checking bitstream-io v2.6.0
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking avif-serialize v0.8.3
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]     Checking v_frame v0.3.8
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking rgb v0.8.50
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]     Checking loop9 v0.1.5
[INFO] [stderr]     Checking byteorder-lite v0.1.0
[INFO] [stderr]    Compiling rav1e v0.7.1
[INFO] [stderr]     Checking bytemuck v1.23.0
[INFO] [stderr]     Checking gif v0.13.1
[INFO] [stderr]     Checking image-webp v0.2.1
[INFO] [stderr]     Checking tiff v0.9.1
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[INFO] [stderr]     Checking exr v1.73.0
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[INFO] [stderr]     Checking av1-grain v0.2.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.1
[INFO] [stderr]     Checking maybe-rayon v0.1.1
[INFO] [stderr]    Compiling profiling-procmacros v1.0.16
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling arg_enum_proc_macro v0.3.4
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]     Checking profiling v1.0.16
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking ravif v0.11.12
[INFO] [stderr]     Checking image v0.25.6
[INFO] [stderr]     Checking pxl8r v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/colour_fetch/util.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |           if (
[INFO] [stdout]    |  ____________^
[INFO] [stdout] 62 | |             prios.weight_r > prios.weight_g &&
[INFO] [stdout]    | |____________^
[INFO] [stdout] 63 |                   prios.weight_r > prios.weight_b
[INFO] [stdout]    |  ________________________________________________^
[INFO] [stdout] 64 | |         ) {
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 61 ~         if prios.weight_r > prios.weight_g &&
[INFO] [stdout] 62 ~                 prios.weight_r > prios.weight_b  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/colour_fetch/util.rs:72:19
[INFO] [stdout]    |
[INFO] [stdout] 72 |           } else if (
[INFO] [stdout]    |  ___________________^
[INFO] [stdout] 73 | |             prios.weight_g > prios.weight_r &&
[INFO] [stdout]    | |____________^
[INFO] [stdout] 74 |                   prios.weight_g > prios.weight_b
[INFO] [stdout]    |  ________________________________________________^
[INFO] [stdout] 75 | |         ) {
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 72 ~         } else if prios.weight_g > prios.weight_r &&
[INFO] [stdout] 73 ~                 prios.weight_g > prios.weight_b  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BigQueueRGBFetcher` and `TreeStackRGBFetcher`
[INFO] [stdout]   --> src/main.rs:13:27
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::colour_fetch::{BigQueueRGBFetcher, NiceGradientRGHFetcher, TreeStackRGBFetcher};
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FifoCoordFetcher`
[INFO] [stdout]   --> src/main.rs:15:26
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::coord_fetch::{FifoCoordFetcher, StackTreeCoordFetcher};
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/colour_fetch/util.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |           if (
[INFO] [stdout]    |  ____________^
[INFO] [stdout] 62 | |             prios.weight_r > prios.weight_g &&
[INFO] [stdout]    | |____________^
[INFO] [stdout] 63 |                   prios.weight_r > prios.weight_b
[INFO] [stdout]    |  ________________________________________________^
[INFO] [stdout] 64 | |         ) {
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 61 ~         if prios.weight_r > prios.weight_g &&
[INFO] [stdout] 62 ~                 prios.weight_r > prios.weight_b  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/colour_fetch/util.rs:72:19
[INFO] [stdout]    |
[INFO] [stdout] 72 |           } else if (
[INFO] [stdout]    |  ___________________^
[INFO] [stdout] 73 | |             prios.weight_g > prios.weight_r &&
[INFO] [stdout]    | |____________^
[INFO] [stdout] 74 |                   prios.weight_g > prios.weight_b
[INFO] [stdout]    |  ________________________________________________^
[INFO] [stdout] 75 | |         ) {
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 72 ~         } else if prios.weight_g > prios.weight_r &&
[INFO] [stdout] 73 ~                 prios.weight_g > prios.weight_b  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BigQueueRGBFetcher` and `TreeStackRGBFetcher`
[INFO] [stdout]   --> src/main.rs:13:27
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::colour_fetch::{BigQueueRGBFetcher, NiceGradientRGHFetcher, TreeStackRGBFetcher};
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FifoCoordFetcher`
[INFO] [stdout]   --> src/main.rs:15:26
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::coord_fetch::{FifoCoordFetcher, StackTreeCoordFetcher};
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/colour_fetch/util.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let mut perimeter_iterator: Vec<i16> = {
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fetched_colour_dist` is never read
[INFO] [stdout]    --> src/colour_fetch/util.rs:108:39
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let mut fetched_colour_dist: u8 = 0;
[INFO] [stdout]     |                                       ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 113 |             fetched_colour_dist = state.colour_search_dist(&possible)?;
[INFO] [stdout]     |             ---------------------------------------------------------- `fetched_colour_dist` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `worst_dist_marker` is never read
[INFO] [stdout]    --> src/colour_fetch/util.rs:109:37
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let mut worst_dist_marker: u8 = 0;
[INFO] [stdout]     |                                     ^ this value is reassigned later and never used
[INFO] [stdout] 110 |     while let Some(possibles) = shell_walker.search_shell() {
[INFO] [stdout] 111 |         worst_dist_marker = 0;
[INFO] [stdout]     |         --------------------- `worst_dist_marker` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let mut sum_seed_weights = 0.0f32;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut jdx = 0;
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sum_seed_weights`
[INFO] [stdout]   --> src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let mut sum_seed_weights = 0.0f32;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sum_seed_weights`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `jdx`
[INFO] [stdout]   --> src/main.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut jdx = 0;
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_jdx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `seed_colour` is never read
[INFO] [stdout]   --> src/main.rs:68:27
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut seed_colour = Colour::random();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 90 |         seed_colour = final_image.get_pixel(seed.w, seed.h).into();
[INFO] [stdout]    |         ---------------------------------------------------------- `seed_colour` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TreeStackRGBFetcher` is never constructed
[INFO] [stdout]  --> src/colour_fetch/stack_tree.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct TreeStackRGBFetcher {
[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`, `get_next`, `wander`, and `find_from_seed` are never used
[INFO] [stdout]   --> src/colour_fetch/stack_tree.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl TreeStackRGBFetcher {
[INFO] [stdout]    | ------------------------ associated items in this implementation
[INFO] [stdout] 11 |     pub fn new(first: &Colour, wander_weights: &ColourBias) -> TreeStackRGBFetcher {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn get_next(&mut self, state: &mut ImageState) -> Option<Colour> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn wander(&self, seed: &Colour, image_state: &ImageState) -> Option<Colour> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     fn find_from_seed(&mut self, state: &ImageState) -> Option<(Colour, Colour)> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BigQueueRGBFetcher` is never constructed
[INFO] [stdout]  --> src/colour_fetch/big_queue.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct BigQueueRGBFetcher {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `get_next` are never used
[INFO] [stdout]   --> src/colour_fetch/big_queue.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl BigQueueRGBFetcher {
[INFO] [stdout]    | ----------------------- associated items in this implementation
[INFO] [stdout] 11 |     pub fn new(first: &Colour, bias: &ColourBias) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn get_next(&mut self) -> Option<Colour> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `bias` is never read
[INFO] [stdout]  --> src/colour_fetch/util.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ColourShellSearcher {
[INFO] [stdout]   |            ------------------- field in this struct
[INFO] [stdout] 5 |     pub center: Colour,
[INFO] [stdout] 6 |     pub bias: ColourBias,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FifoCoordFetcher` is never constructed
[INFO] [stdout]  --> src/coord_fetch/fifo_queue.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct FifoCoordFetcher {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get_next`, and `append` are never used
[INFO] [stdout]   --> src/coord_fetch/fifo_queue.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl FifoCoordFetcher {
[INFO] [stdout]    | --------------------- associated items in this implementation
[INFO] [stdout] 13 |     pub fn new(size: &Point, first: &Point) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn get_next(&mut self, state: &mut ImageState) -> Option<(Point, Point)> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     fn append(&mut self, seed: &Point, next: &Point, state: &mut ImageState) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]  --> src/image_state/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct ImageState {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 6 |     size: Point,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `point_has_neighbour`, `colour_available`, and `colour_has_neighbour` are never used
[INFO] [stdout]   --> src/image_state/mod.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl ImageState {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn point_has_neighbour(&self, candidate: &Point) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn colour_available(&self, c: &Colour) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn colour_has_neighbour(&self, candidate: &Colour) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/colour_fetch/util.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let mut perimeter_iterator: Vec<i16> = {
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fetched_colour_dist` is never read
[INFO] [stdout]    --> src/colour_fetch/util.rs:108:39
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let mut fetched_colour_dist: u8 = 0;
[INFO] [stdout]     |                                       ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 113 |             fetched_colour_dist = state.colour_search_dist(&possible)?;
[INFO] [stdout]     |             ---------------------------------------------------------- `fetched_colour_dist` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `worst_dist_marker` is never read
[INFO] [stdout]    --> src/colour_fetch/util.rs:109:37
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let mut worst_dist_marker: u8 = 0;
[INFO] [stdout]     |                                     ^ this value is reassigned later and never used
[INFO] [stdout] 110 |     while let Some(possibles) = shell_walker.search_shell() {
[INFO] [stdout] 111 |         worst_dist_marker = 0;
[INFO] [stdout]     |         --------------------- `worst_dist_marker` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let mut sum_seed_weights = 0.0f32;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut jdx = 0;
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sum_seed_weights`
[INFO] [stdout]   --> src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let mut sum_seed_weights = 0.0f32;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sum_seed_weights`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `jdx`
[INFO] [stdout]   --> src/main.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut jdx = 0;
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_jdx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `seed_colour` is never read
[INFO] [stdout]   --> src/main.rs:68:27
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut seed_colour = Colour::random();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 90 |         seed_colour = final_image.get_pixel(seed.w, seed.h).into();
[INFO] [stdout]    |         ---------------------------------------------------------- `seed_colour` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TreeStackRGBFetcher` is never constructed
[INFO] [stdout]  --> src/colour_fetch/stack_tree.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct TreeStackRGBFetcher {
[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`, `get_next`, `wander`, and `find_from_seed` are never used
[INFO] [stdout]   --> src/colour_fetch/stack_tree.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl TreeStackRGBFetcher {
[INFO] [stdout]    | ------------------------ associated items in this implementation
[INFO] [stdout] 11 |     pub fn new(first: &Colour, wander_weights: &ColourBias) -> TreeStackRGBFetcher {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn get_next(&mut self, state: &mut ImageState) -> Option<Colour> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn wander(&self, seed: &Colour, image_state: &ImageState) -> Option<Colour> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     fn find_from_seed(&mut self, state: &ImageState) -> Option<(Colour, Colour)> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BigQueueRGBFetcher` is never constructed
[INFO] [stdout]  --> src/colour_fetch/big_queue.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct BigQueueRGBFetcher {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `get_next` are never used
[INFO] [stdout]   --> src/colour_fetch/big_queue.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl BigQueueRGBFetcher {
[INFO] [stdout]    | ----------------------- associated items in this implementation
[INFO] [stdout] 11 |     pub fn new(first: &Colour, bias: &ColourBias) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn get_next(&mut self) -> Option<Colour> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `bias` is never read
[INFO] [stdout]  --> src/colour_fetch/util.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ColourShellSearcher {
[INFO] [stdout]   |            ------------------- field in this struct
[INFO] [stdout] 5 |     pub center: Colour,
[INFO] [stdout] 6 |     pub bias: ColourBias,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FifoCoordFetcher` is never constructed
[INFO] [stdout]  --> src/coord_fetch/fifo_queue.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct FifoCoordFetcher {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get_next`, and `append` are never used
[INFO] [stdout]   --> src/coord_fetch/fifo_queue.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl FifoCoordFetcher {
[INFO] [stdout]    | --------------------- associated items in this implementation
[INFO] [stdout] 13 |     pub fn new(size: &Point, first: &Point) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn get_next(&mut self, state: &mut ImageState) -> Option<(Point, Point)> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     fn append(&mut self, seed: &Point, next: &Point, state: &mut ImageState) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]  --> src/image_state/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct ImageState {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 6 |     size: Point,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `point_has_neighbour`, `colour_available`, and `colour_has_neighbour` are never used
[INFO] [stdout]   --> src/image_state/mod.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl ImageState {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn point_has_neighbour(&self, candidate: &Point) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn colour_available(&self, c: &Colour) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn colour_has_neighbour(&self, candidate: &Colour) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.86s
[INFO] running `Command { std: "docker" "inspect" "b05b5565810f04931abd6c8fc12bf92e4fd5665162d9a3c42c57e8efb5404c00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b05b5565810f04931abd6c8fc12bf92e4fd5665162d9a3c42c57e8efb5404c00", kill_on_drop: false }`
[INFO] [stdout] b05b5565810f04931abd6c8fc12bf92e4fd5665162d9a3c42c57e8efb5404c00
