[INFO] cloning repository https://github.com/dmytryG/Bitmaper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dmytryG/Bitmaper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdmytryG%2FBitmaper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdmytryG%2FBitmaper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 81022abfa5d7088253328730ecb39d390e87062a
[INFO] checking dmytryG/Bitmaper against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdmytryG%2FBitmaper" "/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/dmytryG/Bitmaper
[INFO] finished tweaking git repo https://github.com/dmytryG/Bitmaper
[INFO] tweaked toml for git repo https://github.com/dmytryG/Bitmaper written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dmytryG/Bitmaper on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dmytryG/Bitmaper 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa67672ac5c97fbbc20c93239a0ef19a27ec342b1d419c28981868d805c0717e
[INFO] running `Command { std: "docker" "start" "-a" "fa67672ac5c97fbbc20c93239a0ef19a27ec342b1d419c28981868d805c0717e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa67672ac5c97fbbc20c93239a0ef19a27ec342b1d419c28981868d805c0717e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa67672ac5c97fbbc20c93239a0ef19a27ec342b1d419c28981868d805c0717e", kill_on_drop: false }`
[INFO] [stdout] fa67672ac5c97fbbc20c93239a0ef19a27ec342b1d419c28981868d805c0717e
[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=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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48c89c4b43bbb9c552a1ae4df49d2cb5fcfffa0dbd746b665535616920dd3f3d
[INFO] running `Command { std: "docker" "start" "-a" "48c89c4b43bbb9c552a1ae4df49d2cb5fcfffa0dbd746b665535616920dd3f3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking deflate v1.0.0
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking spin v0.9.3
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking weezl v0.1.6
[INFO] [stderr]     Checking flate2 v1.0.23
[INFO] [stderr]     Checking jpeg-decoder v0.2.5
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking lebe v0.5.1
[INFO] [stderr]     Checking png v0.17.5
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stderr]     Checking gif v0.11.3
[INFO] [stderr]     Checking tiff v0.7.2
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking flume v0.10.12
[INFO] [stderr]     Checking exr v1.4.2
[INFO] [stderr]     Checking image v0.24.2
[INFO] [stderr]     Checking bitmaper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/leveler.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::format;
[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 imports: `RgbImage`, `image_dimensions`, and `open`
[INFO] [stdout]  --> src/leveler.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use image::{self, open, image_dimensions, RgbImage, RgbaImage};
[INFO] [stdout]   |                   ^^^^  ^^^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/leveler.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |         if (posX >= widht as i32) {
[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] 20 -         if (posX >= widht as i32) {
[INFO] [stdout] 20 +         if posX >= widht as i32  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/leveler.rs:25:42
[INFO] [stdout]    |
[INFO] [stdout] 25 |     get_css(res, layer_name, pixel_size, ((layer_number * 10) as i8))
[INFO] [stdout]    |                                          ^                         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 25 -     get_css(res, layer_name, pixel_size, ((layer_number * 10) as i8))
[INFO] [stdout] 25 +     get_css(res, layer_name, pixel_size, (layer_number * 10) as i8 )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `image_dimensions` and `open`
[INFO] [stdout]  --> src/main.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use image::{self, open, image_dimensions};
[INFO] [stdout]   |                   ^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/leveler.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::format;
[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 imports: `RgbImage`, `image_dimensions`, and `open`
[INFO] [stdout]  --> src/leveler.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use image::{self, open, image_dimensions, RgbImage, RgbaImage};
[INFO] [stdout]   |                   ^^^^  ^^^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/leveler.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |         if (posX >= widht as i32) {
[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] 20 -         if (posX >= widht as i32) {
[INFO] [stdout] 20 +         if posX >= widht as i32  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/leveler.rs:25:42
[INFO] [stdout]    |
[INFO] [stdout] 25 |     get_css(res, layer_name, pixel_size, ((layer_number * 10) as i8))
[INFO] [stdout]    |                                          ^                         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 25 -     get_css(res, layer_name, pixel_size, ((layer_number * 10) as i8))
[INFO] [stdout] 25 +     get_css(res, layer_name, pixel_size, (layer_number * 10) as i8 )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `image_dimensions` and `open`
[INFO] [stdout]  --> src/main.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use image::{self, open, image_dimensions};
[INFO] [stdout]   |                   ^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/config.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let mut conf = env::args().into_iter().collect::<Vec<String>>();
[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/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut config = config::Config::get_config();
[INFO] [stdout]   |         ----^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_color_code` is never used
[INFO] [stdout]   --> src/leveler.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn get_color_code(color: Vec<u8>) -> String{
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     std::fs::write(format!("{}.html", config.filename), generate_HTML(layers.clone(), config.filename.clone()));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let _ = std::fs::write(format!("{}.html", config.filename), generate_HTML(layers.clone(), config.filename.clone()));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     std::fs::write(format!("{}.css", config.filename), generate_CSS(layers.clone()));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let _ = std::fs::write(format!("{}.css", config.filename), generate_CSS(layers.clone()));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `posX` should have a snake case name
[INFO] [stdout]  --> src/leveler.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut posX = 0;
[INFO] [stdout]   |             ^^^^ help: convert the identifier to snake case: `pos_x`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `posY` should have a snake case name
[INFO] [stdout]   --> src/leveler.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut posY = 0;
[INFO] [stdout]    |             ^^^^ help: convert the identifier to snake case: `pos_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_HTML` should have a snake case name
[INFO] [stdout]  --> src/fronter.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn generate_HTML(layers: Vec<(String, String)>, filename: String) -> String{
[INFO] [stdout]   |        ^^^^^^^^^^^^^ help: convert the identifier to snake case: `generate_html`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_CSS` should have a snake case name
[INFO] [stdout]   --> src/fronter.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn generate_CSS(layers: Vec<(String, String)>) -> String{
[INFO] [stdout]    |        ^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `generate_css`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/config.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let mut conf = env::args().into_iter().collect::<Vec<String>>();
[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/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut config = config::Config::get_config();
[INFO] [stdout]   |         ----^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_color_code` is never used
[INFO] [stdout]   --> src/leveler.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn get_color_code(color: Vec<u8>) -> String{
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     std::fs::write(format!("{}.html", config.filename), generate_HTML(layers.clone(), config.filename.clone()));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let _ = std::fs::write(format!("{}.html", config.filename), generate_HTML(layers.clone(), config.filename.clone()));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     std::fs::write(format!("{}.css", config.filename), generate_CSS(layers.clone()));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let _ = std::fs::write(format!("{}.css", config.filename), generate_CSS(layers.clone()));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `posX` should have a snake case name
[INFO] [stdout]  --> src/leveler.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut posX = 0;
[INFO] [stdout]   |             ^^^^ help: convert the identifier to snake case: `pos_x`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `posY` should have a snake case name
[INFO] [stdout]   --> src/leveler.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut posY = 0;
[INFO] [stdout]    |             ^^^^ help: convert the identifier to snake case: `pos_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_HTML` should have a snake case name
[INFO] [stdout]  --> src/fronter.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn generate_HTML(layers: Vec<(String, String)>, filename: String) -> String{
[INFO] [stdout]   |        ^^^^^^^^^^^^^ help: convert the identifier to snake case: `generate_html`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_CSS` should have a snake case name
[INFO] [stdout]   --> src/fronter.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn generate_CSS(layers: Vec<(String, String)>) -> String{
[INFO] [stdout]    |        ^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `generate_css`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.88s
[INFO] running `Command { std: "docker" "inspect" "48c89c4b43bbb9c552a1ae4df49d2cb5fcfffa0dbd746b665535616920dd3f3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48c89c4b43bbb9c552a1ae4df49d2cb5fcfffa0dbd746b665535616920dd3f3d", kill_on_drop: false }`
[INFO] [stdout] 48c89c4b43bbb9c552a1ae4df49d2cb5fcfffa0dbd746b665535616920dd3f3d
