[INFO] cloning repository https://github.com/ChristopherLR/gl-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ChristopherLR/gl-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristopherLR%2Fgl-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristopherLR%2Fgl-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f6233c6c851c67738e0f5a95f49d98777679aa23
[INFO] checking ChristopherLR/gl-playground against try#5fee451ebd94296ea05214e819c311e164b30af6 for pr-139042
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristopherLR%2Fgl-playground" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ChristopherLR/gl-playground on toolchain 5fee451ebd94296ea05214e819c311e164b30af6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ChristopherLR/gl-playground
[INFO] finished tweaking git repo https://github.com/ChristopherLR/gl-playground
[INFO] tweaked toml for git repo https://github.com/ChristopherLR/gl-playground written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ChristopherLR/gl-playground 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" "+5fee451ebd94296ea05214e819c311e164b30af6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 130598ea137c08104481490193f378bcb518262c5e2ccd22aa9551b41c4fca17
[INFO] running `Command { std: "docker" "start" "-a" "130598ea137c08104481490193f378bcb518262c5e2ccd22aa9551b41c4fca17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "130598ea137c08104481490193f378bcb518262c5e2ccd22aa9551b41c4fca17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "130598ea137c08104481490193f378bcb518262c5e2ccd22aa9551b41c4fca17", kill_on_drop: false }`
[INFO] [stdout] 130598ea137c08104481490193f378bcb518262c5e2ccd22aa9551b41c4fca17
[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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b071c97aa4b45c669447cea494316b9f7f8346cf7953ee2d0af86f1f4376a4c
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[INFO] [stderr]    Compiling libc v0.2.86
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[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/shader.rs:33:24
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn set_uniform(name: &str){
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/shader.rs:60:34
[INFO] [stdout]    |
[INFO] [stdout] 60 |             ShaderLocation::FILE(file) => {
[INFO] [stdout]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/shader.rs:106:29
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn get_uniform_location(name: &str){
[INFO] [stdout]     |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get_uniform_location` is never used
[INFO] [stdout]    --> src/shader.rs:106:8
[INFO] [stdout]     |
[INFO] [stdout] 16  | impl Shader {
[INFO] [stdout]     | ----------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 106 |     fn get_uniform_location(name: &str){
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/shader.rs:33:24
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn set_uniform(name: &str){
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/shader.rs:60:34
[INFO] [stdout]    |
[INFO] [stdout] 60 |             ShaderLocation::FILE(file) => {
[INFO] [stdout]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/shader.rs:106:29
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn get_uniform_location(name: &str){
[INFO] [stdout]     |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get_uniform_location` is never used
[INFO] [stdout]    --> src/shader.rs:106:8
[INFO] [stdout]     |
[INFO] [stdout] 16  | impl Shader {
[INFO] [stdout]     | ----------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 106 |     fn get_uniform_location(name: &str){
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `glfw`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use glfw::{Action, Context, Key};
[INFO] [stdout]   |     ^^^^ use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `glfw`, use `cargo add glfw` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `glfw`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use glfw::{Action, Context, Key};
[INFO] [stdout]   |     ^^^^ use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `glfw`, use `cargo add glfw` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]   --> src/main.rs:39:22
[INFO] [stdout]    |
[INFO] [stdout] 39 |     glfw.window_hint(glfw::WindowHint::ContextVersion(3, 3));
[INFO] [stdout]    |                      ^^^^ use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `glfw`, use `cargo add glfw` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]   --> src/main.rs:39:22
[INFO] [stdout]    |
[INFO] [stdout] 39 |     glfw.window_hint(glfw::WindowHint::ContextVersion(3, 3));
[INFO] [stdout]    |                      ^^^^ use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `glfw`, use `cargo add glfw` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]   --> src/main.rs:40:22
[INFO] [stdout]    |
[INFO] [stdout] 40 |     glfw.window_hint(glfw::WindowHint::OpenGlProfile(glfw::OpenGlProfileHint::Core));
[INFO] [stdout]    |                      ^^^^ use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `glfw`, use `cargo add glfw` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]   --> src/main.rs:40:22
[INFO] [stdout]    |
[INFO] [stdout] 40 |     glfw.window_hint(glfw::WindowHint::OpenGlProfile(glfw::OpenGlProfileHint::Core));
[INFO] [stdout]    |                      ^^^^ use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `glfw`, use `cargo add glfw` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]   --> src/main.rs:40:54
[INFO] [stdout]    |
[INFO] [stdout] 40 |     glfw.window_hint(glfw::WindowHint::OpenGlProfile(glfw::OpenGlProfileHint::Core));
[INFO] [stdout]    |                                                      ^^^^ use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `glfw`, use `cargo add glfw` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]   --> src/main.rs:40:54
[INFO] [stdout]    |
[INFO] [stdout] 40 |     glfw.window_hint(glfw::WindowHint::OpenGlProfile(glfw::OpenGlProfileHint::Core));
[INFO] [stdout]    |                                                      ^^^^ use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `glfw`, use `cargo add glfw` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]   --> src/main.rs:41:22
[INFO] [stdout]    |
[INFO] [stdout] 41 |     glfw.window_hint(glfw::WindowHint::OpenGlForwardCompat(true));
[INFO] [stdout]    |                      ^^^^ use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `glfw`, use `cargo add glfw` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]   --> src/main.rs:41:22
[INFO] [stdout]    |
[INFO] [stdout] 41 |     glfw.window_hint(glfw::WindowHint::OpenGlForwardCompat(true));
[INFO] [stdout]    |                      ^^^^ use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `glfw`, use `cargo add glfw` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]   --> src/main.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |             glfw::WindowMode::Windowed
[INFO] [stdout]    |             ^^^^ use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `glfw`, use `cargo add glfw` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]   --> src/main.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |             glfw::WindowMode::Windowed
[INFO] [stdout]    |             ^^^^ use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `glfw`, use `cargo add glfw` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]   --> src/main.rs:57:28
[INFO] [stdout]    |
[INFO] [stdout] 57 |     glfw.set_swap_interval(glfw::SwapInterval::Sync(1));
[INFO] [stdout]    |                            ^^^^ use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `glfw`, use `cargo add glfw` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]   --> src/main.rs:57:28
[INFO] [stdout]    |
[INFO] [stdout] 57 |     glfw.set_swap_interval(glfw::SwapInterval::Sync(1));
[INFO] [stdout]    |                            ^^^^ use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `glfw`, use `cargo add glfw` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]    --> src/main.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 141 |             glfw::WindowEvent::FramebufferSize(width, height) => {
[INFO] [stdout]     |             ^^^^ use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `glfw`, use `cargo add glfw` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]     |
[INFO] [stdout] 1   + use glutin::event::WindowEvent;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `WindowEvent`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 141 -             glfw::WindowEvent::FramebufferSize(width, height) => {
[INFO] [stdout] 141 +             WindowEvent::FramebufferSize(width, height) => {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]    --> src/main.rs:146:13
[INFO] [stdout]     |
[INFO] [stdout] 146 |             glfw::WindowEvent::Key(Key::Escape, _, Action::Press, _) => window.set_should_close(true),
[INFO] [stdout]     |             ^^^^ use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `glfw`, use `cargo add glfw` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]     |
[INFO] [stdout] 1   + use glutin::event::WindowEvent;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `WindowEvent`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 146 -             glfw::WindowEvent::Key(Key::Escape, _, Action::Press, _) => window.set_should_close(true),
[INFO] [stdout] 146 +             WindowEvent::Key(Key::Escape, _, Action::Press, _) => window.set_should_close(true),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]    --> src/main.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 141 |             glfw::WindowEvent::FramebufferSize(width, height) => {
[INFO] [stdout]     |             ^^^^ use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `glfw`, use `cargo add glfw` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]     |
[INFO] [stdout] 1   + use glutin::event::WindowEvent;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `WindowEvent`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 141 -             glfw::WindowEvent::FramebufferSize(width, height) => {
[INFO] [stdout] 141 +             WindowEvent::FramebufferSize(width, height) => {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]    --> src/main.rs:146:13
[INFO] [stdout]     |
[INFO] [stdout] 146 |             glfw::WindowEvent::Key(Key::Escape, _, Action::Press, _) => window.set_should_close(true),
[INFO] [stdout]     |             ^^^^ use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `glfw`, use `cargo add glfw` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]     |
[INFO] [stdout] 1   + use glutin::event::WindowEvent;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `WindowEvent`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 146 -             glfw::WindowEvent::Key(Key::Escape, _, Action::Press, _) => window.set_should_close(true),
[INFO] [stdout] 146 +             WindowEvent::Key(Key::Escape, _, Action::Press, _) => window.set_should_close(true),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]   --> src/main.rs:38:20
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut glfw = glfw::init(glfw::FAIL_ON_ERRORS).unwrap();
[INFO] [stdout]    |                    ^^^^ use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `glfw`, use `cargo add glfw` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]   --> src/main.rs:38:20
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut glfw = glfw::init(glfw::FAIL_ON_ERRORS).unwrap();
[INFO] [stdout]    |                    ^^^^ use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `glfw`, use `cargo add glfw` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]   --> src/main.rs:38:31
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut glfw = glfw::init(glfw::FAIL_ON_ERRORS).unwrap();
[INFO] [stdout]    |                               ^^^^ use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `glfw`, use `cargo add glfw` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]   --> src/main.rs:38:31
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut glfw = glfw::init(glfw::FAIL_ON_ERRORS).unwrap();
[INFO] [stdout]    |                               ^^^^ use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `glfw`, use `cargo add glfw` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]    --> src/main.rs:139:23
[INFO] [stdout]     |
[INFO] [stdout] 139 |     for (_, event) in glfw::flush_messages(events) {
[INFO] [stdout]     |                       ^^^^ use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `glfw`, use `cargo add glfw` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]    --> src/main.rs:139:23
[INFO] [stdout]     |
[INFO] [stdout] 139 |     for (_, event) in glfw::flush_messages(events) {
[INFO] [stdout]     |                       ^^^^ use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `glfw`, use `cargo add glfw` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]    --> src/main.rs:138:32
[INFO] [stdout]     |
[INFO] [stdout] 138 | fn process_events(window: &mut glfw::Window, events: &Receiver<(f64, glfw::WindowEvent)>) {
[INFO] [stdout]     |                                ^^^^ use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `glfw`, use `cargo add glfw` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]    --> src/main.rs:138:32
[INFO] [stdout]     |
[INFO] [stdout] 138 | fn process_events(window: &mut glfw::Window, events: &Receiver<(f64, glfw::WindowEvent)>) {
[INFO] [stdout]     |                                ^^^^ use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `glfw`, use `cargo add glfw` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]    --> src/main.rs:138:70
[INFO] [stdout]     |
[INFO] [stdout] 138 | fn process_events(window: &mut glfw::Window, events: &Receiver<(f64, glfw::WindowEvent)>) {
[INFO] [stdout]     |                                                                      ^^^^ use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `glfw`, use `cargo add glfw` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]    --> src/main.rs:138:70
[INFO] [stdout]     |
[INFO] [stdout] 138 | fn process_events(window: &mut glfw::Window, events: &Receiver<(f64, glfw::WindowEvent)>) {
[INFO] [stdout]     |                                                                      ^^^^ use of unresolved module or unlinked crate `glfw`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `glfw`, use `cargo add glfw` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gl_playground` (bin "gl_playground") due to 14 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `gl_playground` (bin "gl_playground" test) due to 14 previous errors
[INFO] running `Command { std: "docker" "inspect" "9b071c97aa4b45c669447cea494316b9f7f8346cf7953ee2d0af86f1f4376a4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b071c97aa4b45c669447cea494316b9f7f8346cf7953ee2d0af86f1f4376a4c", kill_on_drop: false }`
[INFO] [stdout] 9b071c97aa4b45c669447cea494316b9f7f8346cf7953ee2d0af86f1f4376a4c
