[INFO] updating cached repository https://github.com/aleksanb/fourkay
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c5fed45bcda5a883a96a500cbc8bfa9a22f37519
[INFO] checking aleksanb/fourkay against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faleksanb%2Ffourkay" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aleksanb/fourkay on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/aleksanb/fourkay
[INFO] finished tweaking git repo https://github.com/aleksanb/fourkay
[INFO] tweaked toml for git repo https://github.com/aleksanb/fourkay written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/aleksanb/fourkay already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c768beb99b0230ae8756c5b07e1b4decf9f0a56ad24539a461945a3fdde0d17c
[INFO] running `"docker" "start" "-a" "c768beb99b0230ae8756c5b07e1b4decf9f0a56ad24539a461945a3fdde0d17c"`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling fourkay v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `println::*`
[INFO] [stderr]  --> src/shitty/gl_utils.rs:2:33
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::shitty::{gl_wrapper, println::*};
[INFO] [stderr]   |                                 ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::$gl_symbol::function as $gl_symbol`
[INFO] [stderr]   --> src/shitty/gl_wrapper.rs:30:24
[INFO] [stderr]    |
[INFO] [stderr] 30 |           pub(crate) use self::$gl_symbol::function as $gl_symbol;
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 43 | / gl_function! {
[INFO] [stderr] 44 | |     fn glGetString(name: GLenum) -> *const GLubyte,
[INFO] [stderr] 45 | |     fn glShaderSource(
[INFO] [stderr] 46 | |         shader: GLuint,
[INFO] [stderr] ...  |
[INFO] [stderr] 94 | |     fn glUniform4f(location: GLint, v0: GLfloat, v1: GLfloat, v2: GLfloat, v3: GLfloat) -> ()
[INFO] [stderr] 95 | | }
[INFO] [stderr]    | |_- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::mem`
[INFO] [stderr]   --> src/shitty/mod.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |     use core::mem;
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `println::*`
[INFO] [stderr]  --> src/main.rs:7:32
[INFO] [stderr]   |
[INFO] [stderr] 7 | use self::shitty::{gl_wrapper, println::*};
[INFO] [stderr]   |                                ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Xlib_constants`, `Xlib`, `glx`
[INFO] [stderr]  --> src/programs/quad.rs:1:27
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::bindings::{gl, glx, Xlib, Xlib_constants};
[INFO] [stderr]   |                           ^^^  ^^^^  ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `println::*`
[INFO] [stderr]  --> src/programs/quad.rs:2:43
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::shitty::{gl_utils, gl_wrapper, println::*};
[INFO] [stderr]   |                                           ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::panic::PanicInfo`
[INFO] [stderr]  --> src/programs/quad.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use core::panic::PanicInfo;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::ptr`
[INFO] [stderr]  --> src/programs/quad.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use core::ptr;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Xlib_constants`, `Xlib`, `glx`
[INFO] [stderr]  --> src/programs/raymarcher.rs:1:27
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::bindings::{gl, glx, Xlib, Xlib_constants};
[INFO] [stderr]   |                           ^^^  ^^^^  ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `println::*`
[INFO] [stderr]  --> src/programs/raymarcher.rs:2:43
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::shitty::{gl_utils, gl_wrapper, println::*};
[INFO] [stderr]   |                                           ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::panic::PanicInfo`
[INFO] [stderr]  --> src/programs/raymarcher.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use core::panic::PanicInfo;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::ptr`
[INFO] [stderr]  --> src/programs/raymarcher.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use core::ptr;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/main.rs:280:5
[INFO] [stderr]     |
[INFO] [stderr] 280 |     ///let mut kaleidoscope_shader = programs::Quad::new(BALLS_FRAGMENT_SHADER, VERTEX_SHADER)?;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 281 |     //let mut flower_shader = programs::Quad::new(FLOWERS_FRAGMENT_SHADER, VERTEX_SHADER)?;
[INFO] [stderr] 282 |     let mut blobby_shader = programs::Quad::new(SOLID_FRAGMENT_SHADER, VERTEX_SHADER)?;
[INFO] [stderr]     |     ----------------------------------------------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `println::*`
[INFO] [stderr]  --> src/shitty/gl_utils.rs:2:33
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::shitty::{gl_wrapper, println::*};
[INFO] [stderr]   |                                 ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::$gl_symbol::function as $gl_symbol`
[INFO] [stderr]   --> src/shitty/gl_wrapper.rs:30:24
[INFO] [stderr]    |
[INFO] [stderr] 30 |           pub(crate) use self::$gl_symbol::function as $gl_symbol;
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 43 | / gl_function! {
[INFO] [stderr] 44 | |     fn glGetString(name: GLenum) -> *const GLubyte,
[INFO] [stderr] 45 | |     fn glShaderSource(
[INFO] [stderr] 46 | |         shader: GLuint,
[INFO] [stderr] ...  |
[INFO] [stderr] 94 | |     fn glUniform4f(location: GLint, v0: GLfloat, v1: GLfloat, v2: GLfloat, v3: GLfloat) -> ()
[INFO] [stderr] 95 | | }
[INFO] [stderr]    | |_- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::mem`
[INFO] [stderr]   --> src/shitty/mod.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |     use core::mem;
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `println::*`
[INFO] [stderr]  --> src/main.rs:7:32
[INFO] [stderr]   |
[INFO] [stderr] 7 | use self::shitty::{gl_wrapper, println::*};
[INFO] [stderr]   |                                ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Xlib_constants`, `Xlib`, `glx`
[INFO] [stderr]  --> src/programs/quad.rs:1:27
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::bindings::{gl, glx, Xlib, Xlib_constants};
[INFO] [stderr]   |                           ^^^  ^^^^  ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `println::*`
[INFO] [stderr]  --> src/programs/quad.rs:2:43
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::shitty::{gl_utils, gl_wrapper, println::*};
[INFO] [stderr]   |                                           ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::panic::PanicInfo`
[INFO] [stderr]  --> src/programs/quad.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use core::panic::PanicInfo;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::ptr`
[INFO] [stderr]  --> src/programs/quad.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use core::ptr;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Xlib_constants`, `Xlib`, `glx`
[INFO] [stderr]  --> src/programs/raymarcher.rs:1:27
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::bindings::{gl, glx, Xlib, Xlib_constants};
[INFO] [stderr]   |                           ^^^  ^^^^  ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `println::*`
[INFO] [stderr]  --> src/programs/raymarcher.rs:2:43
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::shitty::{gl_utils, gl_wrapper, println::*};
[INFO] [stderr]   |                                           ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::panic::PanicInfo`
[INFO] [stderr]  --> src/programs/raymarcher.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use core::panic::PanicInfo;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::ptr`
[INFO] [stderr]  --> src/programs/raymarcher.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use core::ptr;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/main.rs:280:5
[INFO] [stderr]     |
[INFO] [stderr] 280 |     ///let mut kaleidoscope_shader = programs::Quad::new(BALLS_FRAGMENT_SHADER, VERTEX_SHADER)?;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 281 |     //let mut flower_shader = programs::Quad::new(FLOWERS_FRAGMENT_SHADER, VERTEX_SHADER)?;
[INFO] [stderr] 282 |     let mut blobby_shader = programs::Quad::new(SOLID_FRAGMENT_SHADER, VERTEX_SHADER)?;
[INFO] [stderr]     |     ----------------------------------------------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `function`
[INFO] [stderr]   --> src/shitty/gl_wrapper.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |               pub(crate) fn function($($param_name: $param_type),*) -> $ret_type {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 43 | / gl_function! {
[INFO] [stderr] 44 | |     fn glGetString(name: GLenum) -> *const GLubyte,
[INFO] [stderr] 45 | |     fn glShaderSource(
[INFO] [stderr] 46 | |         shader: GLuint,
[INFO] [stderr] ...  |
[INFO] [stderr] 94 | |     fn glUniform4f(location: GLint, v0: GLfloat, v1: GLfloat, v2: GLfloat, v3: GLfloat) -> ()
[INFO] [stderr] 95 | | }
[INFO] [stderr]    | |_- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `function`
[INFO] [stderr]   --> src/shitty/gl_wrapper.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |               pub(crate) fn function($($param_name: $param_type),*) -> $ret_type {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 43 | / gl_function! {
[INFO] [stderr] 44 | |     fn glGetString(name: GLenum) -> *const GLubyte,
[INFO] [stderr] 45 | |     fn glShaderSource(
[INFO] [stderr] 46 | |         shader: GLuint,
[INFO] [stderr] ...  |
[INFO] [stderr] 94 | |     fn glUniform4f(location: GLint, v0: GLfloat, v1: GLfloat, v2: GLfloat, v3: GLfloat) -> ()
[INFO] [stderr] 95 | | }
[INFO] [stderr]    | |_- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sleep`
[INFO] [stderr]   --> src/shitty/mod.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn sleep(milliseconds: i64) {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `xlib_events_ready`
[INFO] [stderr]   --> src/shitty/mod.rs:26:8
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub fn xlib_events_ready(display: *mut Xlib::Display) -> i32 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `VERTEX_SHADER`
[INFO] [stderr]  --> src/programs/raymarcher.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | static VERTEX_SHADER: &'static str = concat!(include_str!("../shaders/quad-vertex.glsl"), "\0");
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `FRAGMENT_SHADER`
[INFO] [stderr]   --> src/programs/raymarcher.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | / static FRAGMENT_SHADER: &'static str =
[INFO] [stderr] 11 | |     concat!(include_str!("../shaders/raymarcher-fragment.glsl"), "\0");
[INFO] [stderr]    | |_______________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/programs/raymarcher.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn new() -> Result<Self, ()> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NUM_VERTEX_ARRAYS`
[INFO] [stderr]   --> src/programs/raymarcher.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |         const NUM_VERTEX_ARRAYS: gl::GLsizei = 1;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NUM_BUFFERS`
[INFO] [stderr]   --> src/programs/raymarcher.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         const NUM_BUFFERS: gl::GLsizei = 1;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SAMPLE_RATE`
[INFO] [stderr]   --> src/main.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     const SAMPLE_RATE: u32 = 44100;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `BPM`
[INFO] [stderr]   --> src/main.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     const BPM: u32 = 120;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MAX_INSTRUMENTS`
[INFO] [stderr]   --> src/main.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     const MAX_INSTRUMENTS: u32 = 4;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MAX_PATTERNS`
[INFO] [stderr]   --> src/main.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     const MAX_PATTERNS: u32 = 84;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `BALLS_FRAGMENT_SHADER`
[INFO] [stderr]    --> src/main.rs:269:1
[INFO] [stderr]     |
[INFO] [stderr] 269 | static BALLS_FRAGMENT_SHADER: &str = concat!(include_str!("shaders/balls.glsl.out"), "\0");
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `FLOWERS_FRAGMENT_SHADER`
[INFO] [stderr]    --> src/main.rs:272:1
[INFO] [stderr]     |
[INFO] [stderr] 272 | static FLOWERS_FRAGMENT_SHADER: &str = concat!(include_str!("shaders/flower.glsl"), "\0");
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `BLOBBY_FRAGMENT_SHADER`
[INFO] [stderr]    --> src/main.rs:273:1
[INFO] [stderr]     |
[INFO] [stderr] 273 | static BLOBBY_FRAGMENT_SHADER: &str = concat!(include_str!("shaders/blobby.glsl.out"), "\0");
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `SNAKE_FRAGMENT_SHADER`
[INFO] [stderr]    --> src/main.rs:274:1
[INFO] [stderr]     |
[INFO] [stderr] 274 | static SNAKE_FRAGMENT_SHADER: &str = concat!(include_str!("shaders/snake.glsl.out"), "\0");
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `core::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:246:9
[INFO] [stderr]     |
[INFO] [stderr] 246 |         main_loop(display, window);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 31 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `function`
[INFO] [stderr]   --> src/shitty/gl_wrapper.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |               pub(crate) fn function($($param_name: $param_type),*) -> $ret_type {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 43 | / gl_function! {
[INFO] [stderr] 44 | |     fn glGetString(name: GLenum) -> *const GLubyte,
[INFO] [stderr] 45 | |     fn glShaderSource(
[INFO] [stderr] 46 | |         shader: GLuint,
[INFO] [stderr] ...  |
[INFO] [stderr] 94 | |     fn glUniform4f(location: GLint, v0: GLfloat, v1: GLfloat, v2: GLfloat, v3: GLfloat) -> ()
[INFO] [stderr] 95 | | }
[INFO] [stderr]    | |_- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `function`
[INFO] [stderr]   --> src/shitty/gl_wrapper.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |               pub(crate) fn function($($param_name: $param_type),*) -> $ret_type {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 43 | / gl_function! {
[INFO] [stderr] 44 | |     fn glGetString(name: GLenum) -> *const GLubyte,
[INFO] [stderr] 45 | |     fn glShaderSource(
[INFO] [stderr] 46 | |         shader: GLuint,
[INFO] [stderr] ...  |
[INFO] [stderr] 94 | |     fn glUniform4f(location: GLint, v0: GLfloat, v1: GLfloat, v2: GLfloat, v3: GLfloat) -> ()
[INFO] [stderr] 95 | | }
[INFO] [stderr]    | |_- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sleep`
[INFO] [stderr]   --> src/shitty/mod.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn sleep(milliseconds: i64) {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `xlib_events_ready`
[INFO] [stderr]   --> src/shitty/mod.rs:26:8
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub fn xlib_events_ready(display: *mut Xlib::Display) -> i32 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `VERTEX_SHADER`
[INFO] [stderr]  --> src/programs/raymarcher.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | static VERTEX_SHADER: &'static str = concat!(include_str!("../shaders/quad-vertex.glsl"), "\0");
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `FRAGMENT_SHADER`
[INFO] [stderr]   --> src/programs/raymarcher.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | / static FRAGMENT_SHADER: &'static str =
[INFO] [stderr] 11 | |     concat!(include_str!("../shaders/raymarcher-fragment.glsl"), "\0");
[INFO] [stderr]    | |_______________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/programs/raymarcher.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn new() -> Result<Self, ()> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NUM_VERTEX_ARRAYS`
[INFO] [stderr]   --> src/programs/raymarcher.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |         const NUM_VERTEX_ARRAYS: gl::GLsizei = 1;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NUM_BUFFERS`
[INFO] [stderr]   --> src/programs/raymarcher.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         const NUM_BUFFERS: gl::GLsizei = 1;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `BALLS_FRAGMENT_SHADER`
[INFO] [stderr]    --> src/main.rs:269:1
[INFO] [stderr]     |
[INFO] [stderr] 269 | static BALLS_FRAGMENT_SHADER: &str = concat!(include_str!("shaders/balls.glsl.out"), "\0");
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `FLOWERS_FRAGMENT_SHADER`
[INFO] [stderr]    --> src/main.rs:272:1
[INFO] [stderr]     |
[INFO] [stderr] 272 | static FLOWERS_FRAGMENT_SHADER: &str = concat!(include_str!("shaders/flower.glsl"), "\0");
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `BLOBBY_FRAGMENT_SHADER`
[INFO] [stderr]    --> src/main.rs:273:1
[INFO] [stderr]     |
[INFO] [stderr] 273 | static BLOBBY_FRAGMENT_SHADER: &str = concat!(include_str!("shaders/blobby.glsl.out"), "\0");
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `SNAKE_FRAGMENT_SHADER`
[INFO] [stderr]    --> src/main.rs:274:1
[INFO] [stderr]     |
[INFO] [stderr] 274 | static SNAKE_FRAGMENT_SHADER: &str = concat!(include_str!("shaders/snake.glsl.out"), "\0");
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `core::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:246:9
[INFO] [stderr]     |
[INFO] [stderr] 246 |         main_loop(display, window);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 27 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 20.26s
[INFO] running `"docker" "inspect" "c768beb99b0230ae8756c5b07e1b4decf9f0a56ad24539a461945a3fdde0d17c"`
[INFO] running `"docker" "rm" "-f" "c768beb99b0230ae8756c5b07e1b4decf9f0a56ad24539a461945a3fdde0d17c"`
[INFO] [stdout] c768beb99b0230ae8756c5b07e1b4decf9f0a56ad24539a461945a3fdde0d17c