[INFO] cloning repository https://github.com/GumGun-school/PAP_PREPROC
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GumGun-school/PAP_PREPROC" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGumGun-school%2FPAP_PREPROC", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGumGun-school%2FPAP_PREPROC'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d22f9d1e190e63c42f1f4cff8537ad392ac23c46
[INFO] testing GumGun-school/PAP_PREPROC against 1.98.0-beta.1 for beta-1.98-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGumGun-school%2FPAP_PREPROC" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/GumGun-school/PAP_PREPROC
[INFO] finished tweaking git repo https://github.com/GumGun-school/PAP_PREPROC
[INFO] tweaked toml for git repo https://github.com/GumGun-school/PAP_PREPROC written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/GumGun-school/PAP_PREPROC on toolchain 1.98.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/GumGun-school/PAP_PREPROC 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" "+1.98.0-beta.1" "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
[ERROR] error running command: no output for 300 seconds
[INFO] testing GumGun-school/PAP_PREPROC against 1.98.0-beta.1 for beta-1.98-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGumGun-school%2FPAP_PREPROC" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/GumGun-school/PAP_PREPROC
[INFO] finished tweaking git repo https://github.com/GumGun-school/PAP_PREPROC
[INFO] tweaked toml for git repo https://github.com/GumGun-school/PAP_PREPROC written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/GumGun-school/PAP_PREPROC on toolchain 1.98.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/GumGun-school/PAP_PREPROC 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" "+1.98.0-beta.1" "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 serde v1.0.214
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[INFO] [stderr]   Downloaded libc v0.2.159
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 474058ab28ca1954ce9a03ea6d40348d6b994d63744eb0b0e23fff2e5b00f87f
[INFO] running `Command { std: "docker" "start" "474058ab28ca1954ce9a03ea6d40348d6b994d63744eb0b0e23fff2e5b00f87f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "474058ab28ca1954ce9a03ea6d40348d6b994d63744eb0b0e23fff2e5b00f87f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "474058ab28ca1954ce9a03ea6d40348d6b994d63744eb0b0e23fff2e5b00f87f" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "474058ab28ca1954ce9a03ea6d40348d6b994d63744eb0b0e23fff2e5b00f87f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "474058ab28ca1954ce9a03ea6d40348d6b994d63744eb0b0e23fff2e5b00f87f" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]    Compiling regex-syntax v0.8.5
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[INFO] [stderr]    Compiling exr v1.72.0
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[INFO] [stderr]    Compiling av1-grain v0.2.3
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[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling profiling-procmacros v1.0.15
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]    Compiling arg_enum_proc_macro v0.3.4
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling profiling v1.0.15
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling regex v1.11.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ravif v0.11.10
[INFO] [stderr]    Compiling image v0.25.2
[INFO] [stderr]    Compiling preproc_data v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/categories.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |     let mut file = File::open(format!("{DATASET}/color.meta")).unwrap();
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/categories.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |     let mut color_set:HashSet<_> = color_vec.iter().map(|a|image::Rgba::<u8>(a.to_be_bytes())).collect();
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cat_number`
[INFO] [stdout]   --> src/process.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |     let cat_number = context.clusters.len();
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cat_number`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/process.rs:104:20
[INFO] [stdout]     |
[INFO] [stdout] 104 | fn img_manip_bw<Q>(mut grey:&mut GrayImage, clusters:&mut HashMap<u8, (u8, image::Rgba<u8>)>, save_path:Q, save_name:&str) -> Resul...
[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/process.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let mut holder = save_name.to_string();
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_color`
[INFO] [stdout]    --> src/process.rs:116:29
[INFO] [stdout]     |
[INFO] [stdout] 116 |             let (new_label, new_color) = clusters.get(&pixel).expect(&format!("{:?}", pixel));
[INFO] [stdout]     |                             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `city_name`
[INFO] [stdout]   --> src/get_color.rs:36:21
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 let city_name = old_city_path.file_name().unwrap();
[INFO] [stdout]    |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_city_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/get_color.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let mut file = File::create(format!("{DATASET}/color.meta")).unwrap();
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/get_color.rs:63:10
[INFO] [stdout]    |
[INFO] [stdout] 63 |     for (key, content) in clusters {
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cat_number`
[INFO] [stdout]    --> src/get_color.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |     let cat_number = context.clusters.len();
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cat_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/get_color.rs:118:18
[INFO] [stdout]     |
[INFO] [stdout] 118 | fn img_get_color(mut grey:&GrayImage, color:&RgbaImage, clusters:&mut HashMap<u8, image::Rgba<u8>>) -> bool {
[INFO] [stdout]     |                  ----^^^^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Analysis` and `Color` are never constructed
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | enum Mode{
[INFO] [stdout]    |      ---- variants in this enum
[INFO] [stdout] 26 |     Analysis,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 27 |     Process,
[INFO] [stdout] 28 |     Color,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.19s
[INFO] running `Command { std: "docker" "inspect" "474058ab28ca1954ce9a03ea6d40348d6b994d63744eb0b0e23fff2e5b00f87f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "474058ab28ca1954ce9a03ea6d40348d6b994d63744eb0b0e23fff2e5b00f87f" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling preproc_data v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/categories.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |     let mut file = File::open(format!("{DATASET}/color.meta")).unwrap();
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/categories.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |     let mut color_set:HashSet<_> = color_vec.iter().map(|a|image::Rgba::<u8>(a.to_be_bytes())).collect();
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cat_number`
[INFO] [stdout]   --> src/process.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |     let cat_number = context.clusters.len();
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cat_number`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/process.rs:104:20
[INFO] [stdout]     |
[INFO] [stdout] 104 | fn img_manip_bw<Q>(mut grey:&mut GrayImage, clusters:&mut HashMap<u8, (u8, image::Rgba<u8>)>, save_path:Q, save_name:&str) -> Resul...
[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/process.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let mut holder = save_name.to_string();
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_color`
[INFO] [stdout]    --> src/process.rs:116:29
[INFO] [stdout]     |
[INFO] [stdout] 116 |             let (new_label, new_color) = clusters.get(&pixel).expect(&format!("{:?}", pixel));
[INFO] [stdout]     |                             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `city_name`
[INFO] [stdout]   --> src/get_color.rs:36:21
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 let city_name = old_city_path.file_name().unwrap();
[INFO] [stdout]    |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_city_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/get_color.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let mut file = File::create(format!("{DATASET}/color.meta")).unwrap();
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/get_color.rs:63:10
[INFO] [stdout]    |
[INFO] [stdout] 63 |     for (key, content) in clusters {
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cat_number`
[INFO] [stdout]    --> src/get_color.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |     let cat_number = context.clusters.len();
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cat_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/get_color.rs:118:18
[INFO] [stdout]     |
[INFO] [stdout] 118 | fn img_get_color(mut grey:&GrayImage, color:&RgbaImage, clusters:&mut HashMap<u8, image::Rgba<u8>>) -> bool {
[INFO] [stdout]     |                  ----^^^^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Analysis` and `Color` are never constructed
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | enum Mode{
[INFO] [stdout]    |      ---- variants in this enum
[INFO] [stdout] 26 |     Analysis,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 27 |     Process,
[INFO] [stdout] 28 |     Color,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "474058ab28ca1954ce9a03ea6d40348d6b994d63744eb0b0e23fff2e5b00f87f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "474058ab28ca1954ce9a03ea6d40348d6b994d63744eb0b0e23fff2e5b00f87f" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/categories.rs:92:9
[INFO] [stderr]    |
[INFO] [stderr] 92 |     let mut file = File::open(format!("{DATASET}/color.meta")).unwrap();
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/categories.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |     let mut color_set:HashSet<_> = color_vec.iter().map(|a|image::Rgba::<u8>(a.to_be_bytes())).collect();
[INFO] [stderr]    |         ----^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cat_number`
[INFO] [stderr]   --> src/process.rs:88:9
[INFO] [stderr]    |
[INFO] [stderr] 88 |     let cat_number = context.clusters.len();
[INFO] [stderr]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cat_number`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/process.rs:104:20
[INFO] [stderr]     |
[INFO] [stderr] 104 | fn img_manip_bw<Q>(mut grey:&mut GrayImage, clusters:&mut HashMap<u8, (u8, image::Rgba<u8>)>, save_path:Q, save_name:&str) -> Resul...
[INFO] [stderr]     |                    ----^^^^
[INFO] [stderr]     |                    |
[INFO] [stderr]     |                    help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/process.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 124 |     let mut holder = save_name.to_string();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `new_color`
[INFO] [stderr]    --> src/process.rs:116:29
[INFO] [stderr]     |
[INFO] [stderr] 116 |             let (new_label, new_color) = clusters.get(&pixel).expect(&format!("{:?}", pixel));
[INFO] [stderr]     |                             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_color`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `city_name`
[INFO] [stderr]   --> src/get_color.rs:36:21
[INFO] [stderr]    |
[INFO] [stderr] 36 |                 let city_name = old_city_path.file_name().unwrap();
[INFO] [stderr]    |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_city_name`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/get_color.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |     let mut file = File::create(format!("{DATASET}/color.meta")).unwrap();
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/get_color.rs:63:10
[INFO] [stderr]    |
[INFO] [stderr] 63 |     for (key, content) in clusters {
[INFO] [stderr]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cat_number`
[INFO] [stderr]    --> src/get_color.rs:100:9
[INFO] [stderr]     |
[INFO] [stderr] 100 |     let cat_number = context.clusters.len();
[INFO] [stderr]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cat_number`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/get_color.rs:118:18
[INFO] [stderr]     |
[INFO] [stderr] 118 | fn img_get_color(mut grey:&GrayImage, color:&RgbaImage, clusters:&mut HashMap<u8, image::Rgba<u8>>) -> bool {
[INFO] [stderr]     |                  ----^^^^
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Analysis` and `Color` are never constructed
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | enum Mode{
[INFO] [stderr]    |      ---- variants in this enum
[INFO] [stderr] 26 |     Analysis,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 27 |     Process,
[INFO] [stderr] 28 |     Color,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `preproc_data` (bin "preproc_data" test) generated 12 warnings (run `cargo fix --bin "preproc_data" -p preproc_data --tests` to apply 11 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/preproc_data-a3d4ccbd959bc43b)
[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" "474058ab28ca1954ce9a03ea6d40348d6b994d63744eb0b0e23fff2e5b00f87f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "474058ab28ca1954ce9a03ea6d40348d6b994d63744eb0b0e23fff2e5b00f87f", kill_on_drop: false }`
[INFO] [stdout] 474058ab28ca1954ce9a03ea6d40348d6b994d63744eb0b0e23fff2e5b00f87f
