[INFO] cloning repository https://github.com/thomas-delalande/opengl_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thomas-delalande/opengl_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomas-delalande%2Fopengl_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomas-delalande%2Fopengl_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 099a3a3094cc754e4bd1ecaa6289d776a15ed40a
[INFO] checking thomas-delalande/opengl_rust/099a3a3094cc754e4bd1ecaa6289d776a15ed40a against 656a9da186dacaf3bf8f7f7296a825d256cb4ae3 for pr-158915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomas-delalande%2Fopengl_rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/thomas-delalande/opengl_rust
[INFO] finished tweaking git repo https://github.com/thomas-delalande/opengl_rust
[INFO] tweaked toml for git repo https://github.com/thomas-delalande/opengl_rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/thomas-delalande/opengl_rust on toolchain 656a9da186dacaf3bf8f7f7296a825d256cb4ae3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+656a9da186dacaf3bf8f7f7296a825d256cb4ae3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/thomas-delalande/opengl_rust 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" "+656a9da186dacaf3bf8f7f7296a825d256cb4ae3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `opengl_rust` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc1/source/target/.../opengl_rust
[INFO] [stderr]    |                                                  ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `opengl-rust`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:7:8
[INFO] [stderr]    |
[INFO] [stderr]  7 - name = "opengl_rust"
[INFO] [stderr]  7 + name = "opengl-rust"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `opengl-rust`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:8:19
[INFO] [stderr]    |
[INFO] [stderr]  8 ~ version = "0.1.0"
[INFO] [stderr]  9 + [[bin]]
[INFO] [stderr] 10 + name = "opengl-rust"
[INFO] [stderr] 11 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `opengl_rust` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded once_cell v1.13.1
[INFO] [stderr]   Downloaded flate2 v1.0.24
[INFO] [stderr]   Downloaded takeable-option v0.5.0
[INFO] [stderr]   Downloaded bit_field v0.10.1
[INFO] [stderr]   Downloaded futures-core v0.3.23
[INFO] [stderr]   Downloaded wayland-sys v0.29.4
[INFO] [stderr]   Downloaded wayland-cursor v0.29.4
[INFO] [stderr]   Downloaded deflate v1.0.0
[INFO] [stderr]   Downloaded futures-sink v0.3.23
[INFO] [stderr]   Downloaded wayland-commons v0.29.4
[INFO] [stderr]   Downloaded servo-fontconfig v0.5.1
[INFO] [stderr]   Downloaded foreign-types-macros v0.2.2
[INFO] [stderr]   Downloaded raw-window-handle v0.5.0
[INFO] [stderr]   Downloaded sctk-adwaita v0.4.2
[INFO] [stderr]   Downloaded wayland-scanner v0.29.4
[INFO] [stderr]   Downloaded crossfont v0.5.0
[INFO] [stderr]   Downloaded ndk-glue v0.7.0
[INFO] [stderr]   Downloaded ndk-macro v0.3.0
[INFO] [stderr]   Downloaded wayland-egl v0.29.4
[INFO] [stderr]   Downloaded glutin_glx_sys v0.1.8
[INFO] [stderr]   Downloaded glutin_egl_sys v0.1.6
[INFO] [stderr]   Downloaded glutin v0.29.1
[INFO] [stderr]   Downloaded tiny-skia-path v0.7.0
[INFO] [stderr]   Downloaded x11-dl v2.20.0
[INFO] [stderr]   Downloaded wayland-client v0.29.4
[INFO] [stderr]   Downloaded calloop v0.10.1
[INFO] [stderr]   Downloaded png v0.17.5
[INFO] [stderr]   Downloaded freetype-rs v0.26.0
[INFO] [stderr]   Downloaded wayland-protocols v0.29.4
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.16.0
[INFO] [stderr]   Downloaded image v0.24.3
[INFO] [stderr]   Downloaded tiny-skia v0.7.0
[INFO] [stderr]   Downloaded exr v1.5.0
[INFO] [stderr]   Downloaded nix v0.24.2
[INFO] [stderr]   Downloaded ndk-sys v0.4.0
[INFO] [stderr]   Downloaded winit v0.27.2
[INFO] [stderr]   Downloaded expat-sys v2.1.6
[INFO] [stderr]   Downloaded jpeg-decoder v0.2.6
[INFO] [stderr]   Downloaded glium v0.32.1
[INFO] [stderr]   Downloaded tiff v0.7.3
[INFO] [stderr]   Downloaded servo-fontconfig-sys v5.1.0
[INFO] [stderr]   Downloaded freetype-sys v0.13.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 8a59472266d8d2f3836b9e2b1fc0b14502dffd178fbf9213538b6b5916c11b41
[INFO] running `Command { std: "docker" "start" "8a59472266d8d2f3836b9e2b1fc0b14502dffd178fbf9213538b6b5916c11b41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a59472266d8d2f3836b9e2b1fc0b14502dffd178fbf9213538b6b5916c11b41", 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" "8a59472266d8d2f3836b9e2b1fc0b14502dffd178fbf9213538b6b5916c11b41" "/opt/rustwide/cargo-home/bin/cargo" "+656a9da186dacaf3bf8f7f7296a825d256cb4ae3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a59472266d8d2f3836b9e2b1fc0b14502dffd178fbf9213538b6b5916c11b41", 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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8a59472266d8d2f3836b9e2b1fc0b14502dffd178fbf9213538b6b5916c11b41" "/opt/rustwide/cargo-home/bin/cargo" "+656a9da186dacaf3bf8f7f7296a825d256cb4ae3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `opengl_rust` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /opt/rustwide/target/.../opengl_rust
[INFO] [stderr]    |                          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `opengl-rust`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:7:8
[INFO] [stderr]    |
[INFO] [stderr]  7 - name = "opengl_rust"
[INFO] [stderr]  7 + name = "opengl-rust"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `opengl-rust`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:8:19
[INFO] [stderr]    |
[INFO] [stderr]  8 ~ version = "0.1.0"
[INFO] [stderr]  9 + [[bin]]
[INFO] [stderr] 10 + name = "opengl-rust"
[INFO] [stderr] 11 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `opengl_rust` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]     Checking once_cell v1.13.1
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]     Checking libloading v0.7.3
[INFO] [stderr]    Compiling memchr v2.5.0
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[INFO] [stderr]     Checking object v0.29.0
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]    Compiling wayland-scanner v0.29.4
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking takeable-option v0.5.0
[INFO] [stderr]     Checking byteorder v1.4.3
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[INFO] [stderr]    Compiling glutin_egl_sys v0.1.6
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[INFO] [stderr]    Compiling glium v0.32.1
[INFO] [stderr]     Checking tiny-skia v0.7.0
[INFO] [stderr]     Checking nix v0.22.3
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking nix v0.24.2
[INFO] [stderr]     Checking memmap2 v0.5.7
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking rayon-core v1.9.3
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[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking freetype-rs v0.26.0
[INFO] [stderr]     Checking servo-fontconfig v0.5.1
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]    Compiling wayland-client v0.29.4
[INFO] [stderr]    Compiling wayland-protocols v0.29.4
[INFO] [stderr]     Checking rayon v1.5.3
[INFO] [stderr]     Checking xcursor v0.3.4
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.32
[INFO] [stderr]    Compiling foreign-types-macros v0.2.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]     Checking jpeg-decoder v0.2.6
[INFO] [stderr]     Checking foreign-types v0.5.0
[INFO] [stderr]     Checking tiff v0.7.3
[INFO] [stderr]     Checking thiserror v1.0.32
[INFO] [stderr]     Checking calloop v0.10.1
[INFO] [stderr]     Checking wayland-commons v0.29.4
[INFO] [stderr]     Checking pin-project v1.0.12
[INFO] [stderr]     Checking flume v0.10.14
[INFO] [stderr]     Checking exr v1.5.0
[INFO] [stderr]     Checking wayland-cursor v0.29.4
[INFO] [stderr]     Checking wayland-egl v0.29.4
[INFO] [stderr]     Checking image v0.24.3
[INFO] [stderr]     Checking sctk-adwaita v0.4.2
[INFO] [stderr]     Checking winit v0.27.2
[INFO] [stderr]     Checking glutin v0.29.1
[INFO] [stderr]     Checking opengl_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `number`
[INFO] [stdout]   --> src/font_loader.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn nth(&self, number: u8) -> (u8, u8, u8, u8) {
[INFO] [stdout]    |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_number`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `font_file`
[INFO] [stdout]   --> src/font_loader.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn load_font(font_file: &str) -> RawImage2d<u8> {
[INFO] [stdout]    |                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_font_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `image`
[INFO] [stdout]   --> src/main.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let image = font_loader::load_font("");
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_image`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Vertex` is never constructed
[INFO] [stdout]   --> src/main.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Vertex {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Vertex` is never constructed
[INFO] [stdout]  --> src/teapot.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Vertex {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VERTICES` is never used
[INFO] [stdout]  --> src/teapot.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub const VERTICES: [Vertex; 531] = [
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Normal` is never constructed
[INFO] [stdout]    --> src/teapot.rs:544:12
[INFO] [stdout]     |
[INFO] [stdout] 544 | pub struct Normal {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NORMALS` is never used
[INFO] [stdout]    --> src/teapot.rs:550:11
[INFO] [stdout]     |
[INFO] [stdout] 550 | pub const NORMALS: [Normal; 531] = [
[INFO] [stdout]     |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INDICES` is never used
[INFO] [stdout]     --> src/teapot.rs:1085:11
[INFO] [stdout]      |
[INFO] [stdout] 1085 | pub const INDICES: [u16; 3072] = [
[INFO] [stdout]      |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SpriteSheet` is never constructed
[INFO] [stdout]  --> src/font_loader.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct SpriteSheet {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `nth` is never used
[INFO] [stdout]   --> src/font_loader.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl SpriteSheet {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 17 |     fn nth(&self, number: u8) -> (u8, u8, u8, u8) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/font_loader.rs:22:29
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn load_font(font_file: &str) -> RawImage2d<u8> {
[INFO] [stdout]    |                             ^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn load_font(font_file: &str) -> RawImage2d<'_, u8> {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number`
[INFO] [stdout]   --> src/font_loader.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn nth(&self, number: u8) -> (u8, u8, u8, u8) {
[INFO] [stdout]    |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_number`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `font_file`
[INFO] [stdout]   --> src/font_loader.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn load_font(font_file: &str) -> RawImage2d<u8> {
[INFO] [stdout]    |                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_font_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `image`
[INFO] [stdout]   --> src/main.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let image = font_loader::load_font("");
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_image`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Vertex` is never constructed
[INFO] [stdout]   --> src/main.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Vertex {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Vertex` is never constructed
[INFO] [stdout]  --> src/teapot.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Vertex {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VERTICES` is never used
[INFO] [stdout]  --> src/teapot.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub const VERTICES: [Vertex; 531] = [
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Normal` is never constructed
[INFO] [stdout]    --> src/teapot.rs:544:12
[INFO] [stdout]     |
[INFO] [stdout] 544 | pub struct Normal {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NORMALS` is never used
[INFO] [stdout]    --> src/teapot.rs:550:11
[INFO] [stdout]     |
[INFO] [stdout] 550 | pub const NORMALS: [Normal; 531] = [
[INFO] [stdout]     |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INDICES` is never used
[INFO] [stdout]     --> src/teapot.rs:1085:11
[INFO] [stdout]      |
[INFO] [stdout] 1085 | pub const INDICES: [u16; 3072] = [
[INFO] [stdout]      |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SpriteSheet` is never constructed
[INFO] [stdout]  --> src/font_loader.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct SpriteSheet {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `nth` is never used
[INFO] [stdout]   --> src/font_loader.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl SpriteSheet {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 17 |     fn nth(&self, number: u8) -> (u8, u8, u8, u8) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/font_loader.rs:22:29
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn load_font(font_file: &str) -> RawImage2d<u8> {
[INFO] [stdout]    |                             ^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn load_font(font_file: &str) -> RawImage2d<'_, u8> {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 59.78s
[INFO] running `Command { std: "docker" "inspect" "8a59472266d8d2f3836b9e2b1fc0b14502dffd178fbf9213538b6b5916c11b41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a59472266d8d2f3836b9e2b1fc0b14502dffd178fbf9213538b6b5916c11b41", kill_on_drop: false }`
[INFO] [stdout] 8a59472266d8d2f3836b9e2b1fc0b14502dffd178fbf9213538b6b5916c11b41
