[INFO] updating cached repository pepijnd/draw-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pepijnd/draw-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pepijnd/draw-rs" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/pepijnd/draw-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/pepijnd/draw-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pepijnd/draw-rs" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/pepijnd/draw-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/pepijnd/draw-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 77d07dbfc8d5d75e1b8e7121c9e6b39009ea3d64
[INFO] sha for GitHub repo pepijnd/draw-rs: 77d07dbfc8d5d75e1b8e7121c9e6b39009ea3d64
[INFO] validating manifest of pepijnd/draw-rs on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of pepijnd/draw-rs on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing pepijnd/draw-rs
[INFO] finished frobbing pepijnd/draw-rs
[INFO] frobbed toml for pepijnd/draw-rs written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/pepijnd/draw-rs/Cargo.toml
[INFO] started frobbing pepijnd/draw-rs
[INFO] finished frobbing pepijnd/draw-rs
[INFO] frobbed toml for pepijnd/draw-rs written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/pepijnd/draw-rs/Cargo.toml
[INFO] crate pepijnd/draw-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking pepijnd/draw-rs against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-3/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/pepijnd/draw-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3331b1f84b4e04da020c2131459ce6998088c6a00f06f3e569391f4f4359bac9
[INFO] running `"docker" "start" "-a" "3331b1f84b4e04da020c2131459ce6998088c6a00f06f3e569391f4f4359bac9"`
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]     Checking c_vec v1.3.2
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]     Checking draw-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `sdl2::rect::Rect`
[INFO] [stderr]  --> src/draw.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use sdl2::rect::Rect;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sdl2::render::TextureQuery`
[INFO] [stderr]  --> src/draw.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use sdl2::render::TextureQuery;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `draw::App`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use draw::App;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `d`
[INFO] [stderr]   --> src/main.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let d = Delaun::calc(vec![
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_d`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c0`
[INFO] [stderr]   --> src/delaun.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let c0 = self;
[INFO] [stderr]    |             ^^ help: consider prefixing with an underscore: `_c0`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `triangles`
[INFO] [stderr]   --> src/delaun.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let triangles: Vec<Triangle> = Vec::with_capacity(max_triangles);
[INFO] [stderr]    |             ^^^^^^^^^ help: consider prefixing with an underscore: `_triangles`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `halfedges`
[INFO] [stderr]   --> src/delaun.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |         let halfedges: Vec<HalfEdge> = Vec::with_capacity(max_triangles);
[INFO] [stderr]    |             ^^^^^^^^^ help: consider prefixing with an underscore: `_halfedges`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hull_prev`
[INFO] [stderr]   --> src/delaun.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 |         let hull_prev: HashMap<usize, usize> = HashMap::new();
[INFO] [stderr]    |             ^^^^^^^^^ help: consider prefixing with an underscore: `_hull_prev`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hull_tri`
[INFO] [stderr]   --> src/delaun.rs:76:13
[INFO] [stderr]    |
[INFO] [stderr] 76 |         let hull_tri: HashMap<usize, usize> = HashMap::new();
[INFO] [stderr]    |             ^^^^^^^^ help: consider prefixing with an underscore: `_hull_tri`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hullstart`
[INFO] [stderr]    --> src/delaun.rs:161:13
[INFO] [stderr]     |
[INFO] [stderr] 161 |         let hullstart = c0;
[INFO] [stderr]     |             ^^^^^^^^^ help: consider prefixing with an underscore: `_hullstart`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hullsize`
[INFO] [stderr]    --> src/delaun.rs:162:13
[INFO] [stderr]     |
[INFO] [stderr] 162 |         let hullsize = 3;
[INFO] [stderr]     |             ^^^^^^^^ help: consider prefixing with an underscore: `_hullsize`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `texture_creator`
[INFO] [stderr]   --> src/draw.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |         let texture_creator = canvas.texture_creator();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_texture_creator`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sdl2::rect::Rect`
[INFO] [stderr]  --> src/draw.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use sdl2::rect::Rect;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sdl2::render::TextureQuery`
[INFO] [stderr]  --> src/draw.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use sdl2::render::TextureQuery;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `draw::App`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use draw::App;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `coords`
[INFO] [stderr]   --> src/delaun.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     coords: Vec<Coord>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `coord`
[INFO] [stderr]    --> src/delaun.rs:150:13
[INFO] [stderr]     |
[INFO] [stderr] 150 |             coord: &'a Coord,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `coords_ids`
[INFO] [stderr]    --> src/delaun.rs:169:5
[INFO] [stderr]     |
[INFO] [stderr] 169 |     coords_ids: Vec<usize>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `coord_ids`
[INFO] [stderr]    --> src/delaun.rs:173:5
[INFO] [stderr]     |
[INFO] [stderr] 173 |     coord_ids: Vec<usize>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `coords`
[INFO] [stderr]    --> src/delaun.rs:177:5
[INFO] [stderr]     |
[INFO] [stderr] 177 |     coords: Vec<Coord>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `triangles`
[INFO] [stderr]    --> src/delaun.rs:178:5
[INFO] [stderr]     |
[INFO] [stderr] 178 |     triangles: Vec<Triangle>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `halfedges`
[INFO] [stderr]    --> src/delaun.rs:179:5
[INFO] [stderr]     |
[INFO] [stderr] 179 |     halfedges: Vec<HalfEdge>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `App`
[INFO] [stderr]  --> src/draw.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct App {}
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/draw.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new() -> App {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `run_app`
[INFO] [stderr]   --> src/draw.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn run_app(&self) -> Result<(), String> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `minX` should have a snake case name
[INFO] [stderr]   --> src/delaun.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |         let minX = coords
[INFO] [stderr]    |             ^^^^ help: convert the identifier to snake case: `min_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `minY` should have a snake case name
[INFO] [stderr]   --> src/delaun.rs:84:13
[INFO] [stderr]    |
[INFO] [stderr] 84 |         let minY = coords
[INFO] [stderr]    |             ^^^^ help: convert the identifier to snake case: `min_y`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `maxX` should have a snake case name
[INFO] [stderr]   --> src/delaun.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |         let maxX = coords
[INFO] [stderr]    |             ^^^^ help: convert the identifier to snake case: `max_x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `maxY` should have a snake case name
[INFO] [stderr]   --> src/delaun.rs:94:13
[INFO] [stderr]    |
[INFO] [stderr] 94 |         let maxY = coords
[INFO] [stderr]    |             ^^^^ help: convert the identifier to snake case: `max_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `d`
[INFO] [stderr]   --> src/main.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let d = Delaun::calc(vec![
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_d`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c0`
[INFO] [stderr]   --> src/delaun.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let c0 = self;
[INFO] [stderr]    |             ^^ help: consider prefixing with an underscore: `_c0`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `triangles`
[INFO] [stderr]   --> src/delaun.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let triangles: Vec<Triangle> = Vec::with_capacity(max_triangles);
[INFO] [stderr]    |             ^^^^^^^^^ help: consider prefixing with an underscore: `_triangles`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `halfedges`
[INFO] [stderr]   --> src/delaun.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |         let halfedges: Vec<HalfEdge> = Vec::with_capacity(max_triangles);
[INFO] [stderr]    |             ^^^^^^^^^ help: consider prefixing with an underscore: `_halfedges`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hull_prev`
[INFO] [stderr]   --> src/delaun.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 |         let hull_prev: HashMap<usize, usize> = HashMap::new();
[INFO] [stderr]    |             ^^^^^^^^^ help: consider prefixing with an underscore: `_hull_prev`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hull_tri`
[INFO] [stderr]   --> src/delaun.rs:76:13
[INFO] [stderr]    |
[INFO] [stderr] 76 |         let hull_tri: HashMap<usize, usize> = HashMap::new();
[INFO] [stderr]    |             ^^^^^^^^ help: consider prefixing with an underscore: `_hull_tri`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hullstart`
[INFO] [stderr]    --> src/delaun.rs:161:13
[INFO] [stderr]     |
[INFO] [stderr] 161 |         let hullstart = c0;
[INFO] [stderr]     |             ^^^^^^^^^ help: consider prefixing with an underscore: `_hullstart`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hullsize`
[INFO] [stderr]    --> src/delaun.rs:162:13
[INFO] [stderr]     |
[INFO] [stderr] 162 |         let hullsize = 3;
[INFO] [stderr]     |             ^^^^^^^^ help: consider prefixing with an underscore: `_hullsize`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `texture_creator`
[INFO] [stderr]   --> src/draw.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |         let texture_creator = canvas.texture_creator();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_texture_creator`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `coords`
[INFO] [stderr]   --> src/delaun.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     coords: Vec<Coord>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `coord`
[INFO] [stderr]    --> src/delaun.rs:150:13
[INFO] [stderr]     |
[INFO] [stderr] 150 |             coord: &'a Coord,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `coords_ids`
[INFO] [stderr]    --> src/delaun.rs:169:5
[INFO] [stderr]     |
[INFO] [stderr] 169 |     coords_ids: Vec<usize>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `coord_ids`
[INFO] [stderr]    --> src/delaun.rs:173:5
[INFO] [stderr]     |
[INFO] [stderr] 173 |     coord_ids: Vec<usize>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `coords`
[INFO] [stderr]    --> src/delaun.rs:177:5
[INFO] [stderr]     |
[INFO] [stderr] 177 |     coords: Vec<Coord>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `triangles`
[INFO] [stderr]    --> src/delaun.rs:178:5
[INFO] [stderr]     |
[INFO] [stderr] 178 |     triangles: Vec<Triangle>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `halfedges`
[INFO] [stderr]    --> src/delaun.rs:179:5
[INFO] [stderr]     |
[INFO] [stderr] 179 |     halfedges: Vec<HalfEdge>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `App`
[INFO] [stderr]  --> src/draw.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct App {}
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/draw.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new() -> App {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `run_app`
[INFO] [stderr]   --> src/draw.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn run_app(&self) -> Result<(), String> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `minX` should have a snake case name
[INFO] [stderr]   --> src/delaun.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |         let minX = coords
[INFO] [stderr]    |             ^^^^ help: convert the identifier to snake case: `min_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `minY` should have a snake case name
[INFO] [stderr]   --> src/delaun.rs:84:13
[INFO] [stderr]    |
[INFO] [stderr] 84 |         let minY = coords
[INFO] [stderr]    |             ^^^^ help: convert the identifier to snake case: `min_y`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `maxX` should have a snake case name
[INFO] [stderr]   --> src/delaun.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |         let maxX = coords
[INFO] [stderr]    |             ^^^^ help: convert the identifier to snake case: `max_x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `maxY` should have a snake case name
[INFO] [stderr]   --> src/delaun.rs:94:13
[INFO] [stderr]    |
[INFO] [stderr] 94 |         let maxY = coords
[INFO] [stderr]    |             ^^^^ help: convert the identifier to snake case: `max_y`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.30s
[INFO] running `"docker" "inspect" "3331b1f84b4e04da020c2131459ce6998088c6a00f06f3e569391f4f4359bac9"`
[INFO] running `"docker" "rm" "-f" "3331b1f84b4e04da020c2131459ce6998088c6a00f06f3e569391f4f4359bac9"`
[INFO] [stdout] 3331b1f84b4e04da020c2131459ce6998088c6a00f06f3e569391f4f4359bac9