[INFO] cloning repository https://github.com/Lucky4Luuk/terminal_raymarcher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lucky4Luuk/terminal_raymarcher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLucky4Luuk%2Fterminal_raymarcher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLucky4Luuk%2Fterminal_raymarcher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 335547fad0329e8a1aada1b5a4d1021610a93a2a
[INFO] checking Lucky4Luuk/terminal_raymarcher against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLucky4Luuk%2Fterminal_raymarcher" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Lucky4Luuk/terminal_raymarcher on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Lucky4Luuk/terminal_raymarcher
[INFO] finished tweaking git repo https://github.com/Lucky4Luuk/terminal_raymarcher
[INFO] tweaked toml for git repo https://github.com/Lucky4Luuk/terminal_raymarcher written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Lucky4Luuk/terminal_raymarcher already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossterm v0.13.3
[INFO] [stderr]   Downloaded crossterm_winapi v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d00d403f51c2086b41c5a060d287a7675545d0a02edc56234669d377f1cef929
[INFO] running `Command { std: "docker" "start" "-a" "d00d403f51c2086b41c5a060d287a7675545d0a02edc56234669d377f1cef929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d00d403f51c2086b41c5a060d287a7675545d0a02edc56234669d377f1cef929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d00d403f51c2086b41c5a060d287a7675545d0a02edc56234669d377f1cef929", kill_on_drop: false }`
[INFO] [stdout] d00d403f51c2086b41c5a060d287a7675545d0a02edc56234669d377f1cef929
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c72dcf7968021e0f030ed78c7f85a109978ababad874f726748cb7917e289fb8
[INFO] running `Command { std: "docker" "start" "-a" "c72dcf7968021e0f030ed78c7f85a109978ababad874f726748cb7917e289fb8", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking piston-float v1.0.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking vecmath v1.0.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking crossterm v0.13.3
[INFO] [stderr]     Checking terminal_raymarcher v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/rendering/raymarching.rs (1 fix)
[INFO] [stderr]        Fixed src/lib.rs (3 fixes)
[INFO] [stderr]        Fixed src/rendering/screen.rs (6 fixes)
[INFO] [stdout] warning: type `SDF_Type` should have an upper camel case name
[INFO] [stdout]   --> src/engine/distance_field.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub enum SDF_Type {
[INFO] [stdout]    |          ^^^^^^^^ help: convert the identifier to upper camel case: `SdfType`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SDF_Sphere` should have an upper camel case name
[INFO] [stdout]   --> src/engine/distance_field.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     SDF_Sphere,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `SdfSphere`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SDF_Box` should have an upper camel case name
[INFO] [stdout]   --> src/engine/distance_field.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     SDF_Box,
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `SdfBox`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SDF_Torus` should have an upper camel case name
[INFO] [stdout]   --> src/engine/distance_field.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     SDF_Torus,
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `SdfTorus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SDF_Plane` should have an upper camel case name
[INFO] [stdout]   --> src/engine/distance_field.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     SDF_Plane,
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `SdfPlane`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `SDF_Type` should have an upper camel case name
[INFO] [stdout]   --> src/engine/distance_field.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub enum SDF_Type {
[INFO] [stdout]    |          ^^^^^^^^ help: convert the identifier to upper camel case: `SdfType`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SDF_Sphere` should have an upper camel case name
[INFO] [stdout]   --> src/engine/distance_field.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     SDF_Sphere,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `SdfSphere`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SDF_Box` should have an upper camel case name
[INFO] [stdout]   --> src/engine/distance_field.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     SDF_Box,
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `SdfBox`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SDF_Torus` should have an upper camel case name
[INFO] [stdout]   --> src/engine/distance_field.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     SDF_Torus,
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `SdfTorus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SDF_Plane` should have an upper camel case name
[INFO] [stdout]   --> src/engine/distance_field.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     SDF_Plane,
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `SdfPlane`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/engine/distance_field.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 115 |             _ => {
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]    --> src/engine/scene.rs:130:21
[INFO] [stdout]     |
[INFO] [stdout] 130 |             let mut value = ' ';
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/engine/distance_field.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 115 |             _ => {
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]    --> src/engine/scene.rs:130:21
[INFO] [stdout]     |
[INFO] [stdout] 130 |             let mut value = ' ';
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `characters`
[INFO] [stdout]  --> src/rendering/text.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | const characters: &str = "abcdefghijklmnopqrstuvwxyz";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `characters` should have an upper case name
[INFO] [stdout]  --> src/rendering/text.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const characters: &str = "abcdefghijklmnopqrstuvwxyz";
[INFO] [stdout]   |       ^^^^^^^^^^ help: convert the identifier to upper case: `CHARACTERS`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `characters`
[INFO] [stdout]  --> src/rendering/text.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | const characters: &str = "abcdefghijklmnopqrstuvwxyz";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `characters` should have an upper case name
[INFO] [stdout]  --> src/rendering/text.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const characters: &str = "abcdefghijklmnopqrstuvwxyz";
[INFO] [stdout]   |       ^^^^^^^^^^ help: convert the identifier to upper case: `CHARACTERS`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/main.rs (6 fixes)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:141:17
[INFO] [stdout]     |
[INFO] [stdout] 141 |                 _ => {}
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:141:17
[INFO] [stdout]     |
[INFO] [stdout] 141 |                 _ => {}
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `THREAD_COUNT`
[INFO] [stdout]   --> src/main.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | const THREAD_COUNT: u16 = 8;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `clamp`
[INFO] [stdout]   --> src/main.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn clamp(x: u16, a: u16, b: u16) -> u16 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `THREAD_COUNT`
[INFO] [stdout]   --> src/main.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | const THREAD_COUNT: u16 = 8;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `clamp`
[INFO] [stdout]   --> src/main.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn clamp(x: u16, a: u16, b: u16) -> u16 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.04s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking terminal_raymarcher v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: type `SDF_Type` should have an upper camel case name
[INFO] [stdout]   --> src/engine/distance_field.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub enum SDF_Type {
[INFO] [stdout]    |          ^^^^^^^^ help: convert the identifier to upper camel case: `SdfType`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SDF_Sphere` should have an upper camel case name
[INFO] [stdout]   --> src/engine/distance_field.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     SDF_Sphere,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `SdfSphere`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SDF_Box` should have an upper camel case name
[INFO] [stdout]   --> src/engine/distance_field.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     SDF_Box,
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `SdfBox`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SDF_Torus` should have an upper camel case name
[INFO] [stdout]   --> src/engine/distance_field.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     SDF_Torus,
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `SdfTorus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SDF_Plane` should have an upper camel case name
[INFO] [stdout]   --> src/engine/distance_field.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     SDF_Plane,
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `SdfPlane`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `SDF_Type` should have an upper camel case name
[INFO] [stdout]   --> src/engine/distance_field.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub enum SDF_Type {
[INFO] [stdout]    |          ^^^^^^^^ help: convert the identifier to upper camel case: `SdfType`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SDF_Sphere` should have an upper camel case name
[INFO] [stdout]   --> src/engine/distance_field.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     SDF_Sphere,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `SdfSphere`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SDF_Box` should have an upper camel case name
[INFO] [stdout]   --> src/engine/distance_field.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     SDF_Box,
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `SdfBox`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SDF_Torus` should have an upper camel case name
[INFO] [stdout]   --> src/engine/distance_field.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     SDF_Torus,
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `SdfTorus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SDF_Plane` should have an upper camel case name
[INFO] [stdout]   --> src/engine/distance_field.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     SDF_Plane,
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `SdfPlane`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/engine/distance_field.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 115 |             _ => {
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]    --> src/engine/scene.rs:130:21
[INFO] [stdout]     |
[INFO] [stdout] 130 |             let mut value = ' ';
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/engine/distance_field.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 115 |             _ => {
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]    --> src/engine/scene.rs:130:21
[INFO] [stdout]     |
[INFO] [stdout] 130 |             let mut value = ' ';
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `characters`
[INFO] [stdout]  --> src/rendering/text.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | const characters: &str = "abcdefghijklmnopqrstuvwxyz";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `characters` should have an upper case name
[INFO] [stdout]  --> src/rendering/text.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const characters: &str = "abcdefghijklmnopqrstuvwxyz";
[INFO] [stdout]   |       ^^^^^^^^^^ help: convert the identifier to upper case: `CHARACTERS`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `characters`
[INFO] [stdout]  --> src/rendering/text.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | const characters: &str = "abcdefghijklmnopqrstuvwxyz";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `characters` should have an upper case name
[INFO] [stdout]  --> src/rendering/text.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const characters: &str = "abcdefghijklmnopqrstuvwxyz";
[INFO] [stdout]   |       ^^^^^^^^^^ help: convert the identifier to upper case: `CHARACTERS`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:141:17
[INFO] [stdout]     |
[INFO] [stdout] 141 |                 _ => {}
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:141:17
[INFO] [stdout]     |
[INFO] [stdout] 141 |                 _ => {}
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `THREAD_COUNT`
[INFO] [stdout]   --> src/main.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | const THREAD_COUNT: u16 = 8;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `clamp`
[INFO] [stdout]   --> src/main.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn clamp(x: u16, a: u16, b: u16) -> u16 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `THREAD_COUNT`
[INFO] [stdout]   --> src/main.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | const THREAD_COUNT: u16 = 8;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `clamp`
[INFO] [stdout]   --> src/main.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn clamp(x: u16, a: u16, b: u16) -> u16 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "c72dcf7968021e0f030ed78c7f85a109978ababad874f726748cb7917e289fb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c72dcf7968021e0f030ed78c7f85a109978ababad874f726748cb7917e289fb8", kill_on_drop: false }`
[INFO] [stdout] c72dcf7968021e0f030ed78c7f85a109978ababad874f726748cb7917e289fb8