[INFO] fetching crate nc-renderer 0.1.3...
[INFO] testing nc-renderer-0.1.3 against 1.91.0 for beta-1.92-2
[INFO] extracting crate nc-renderer 0.1.3 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate nc-renderer 0.1.3
[INFO] finished tweaking crates.io crate nc-renderer 0.1.3
[INFO] tweaked toml for crates.io crate nc-renderer 0.1.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nc-renderer 0.1.3 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rs-ctypes v0.1.1
[INFO] [stderr]   Downloaded rs-math3d v0.9.24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2cfef042a936c1765c42d64f1ac2fc38011c9e70dd29a8d7f06c6bdf2141d21
[INFO] running `Command { std: "docker" "start" "-a" "b2cfef042a936c1765c42d64f1ac2fc38011c9e70dd29a8d7f06c6bdf2141d21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2cfef042a936c1765c42d64f1ac2fc38011c9e70dd29a8d7f06c6bdf2141d21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2cfef042a936c1765c42d64f1ac2fc38011c9e70dd29a8d7f06c6bdf2141d21", kill_on_drop: false }`
[INFO] [stdout] b2cfef042a936c1765c42d64f1ac2fc38011c9e70dd29a8d7f06c6bdf2141d21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36dcdd05dce31b89baca228aa4cd45b0c711b5397ab2eda3f442e680b3b8e860
[INFO] running `Command { std: "docker" "start" "-a" "36dcdd05dce31b89baca228aa4cd45b0c711b5397ab2eda3f442e680b3b8e860", kill_on_drop: false }`
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling xml-rs v0.8.28
[INFO] [stderr]    Compiling rs-ctypes v0.1.1
[INFO] [stderr]    Compiling rs-math3d v0.9.24
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling nc-renderer v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/nc-renderer-79a7de6c6b38a726/out/bindings.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 |             pub use std::mem;
[INFO] [stdout]   |                     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/common.rs:831:13
[INFO] [stdout]     |
[INFO] [stdout] 830 |             SamplerType::Sampler2D(PixelChannel { size, wrap: _ }, _) => size,
[INFO] [stdout]     |             --------------------------------------------------------- matches all the relevant values
[INFO] [stdout] 831 |             _ => panic!("no width!")
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/common.rs:838:13
[INFO] [stdout]     |
[INFO] [stdout] 837 |             SamplerType::Sampler2D(_, PixelChannel { size, wrap: _ }) => size,
[INFO] [stdout]     |             --------------------------------------------------------- matches all the relevant values
[INFO] [stdout] 838 |             _ => panic!("no height!")
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `render` and `surface_class` are never used
[INFO] [stdout]    --> src/gles3/readback.rs:210:8
[INFO] [stdout]     |
[INFO] [stdout] 110 | impl ReadbackState {
[INFO] [stdout]     | ------------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 210 |     fn render(&self, driver: &mut Gles3Driver, tex: TexturePtr, orig_surface_type: OrigSurfaceType) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 232 |     fn surface_class(surface: &TexturePtr) -> OrigSurfaceClass {
[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 `GLProgram` is never constructed
[INFO] [stdout]   --> src/gles3/renderer.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct GLProgram {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GLUniformBlock` is never used
[INFO] [stdout]   --> src/gles3/renderer.rs:70:7
[INFO] [stdout]    |
[INFO] [stdout] 70 | trait GLUniformBlock {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `gl_pixel_size` is never used
[INFO] [stdout]    --> src/gles3/renderer.rs:269:8
[INFO] [stdout]     |
[INFO] [stdout] 265 | trait GLPixelFormat {
[INFO] [stdout]     |       ------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 269 |     fn gl_pixel_size(&self) -> usize;
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pixel_uniforms` is never read
[INFO] [stdout]    --> src/gles3/renderer.rs:378:5
[INFO] [stdout]     |
[INFO] [stdout] 370 | struct GLShader {
[INFO] [stdout]     |        -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 378 |     pixel_uniforms      : Vec<(String, GLuint)>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/common.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 Box::from_raw(self.object);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 let _ = Box::from_raw(self.object);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]     --> src/gles3/renderer.rs:1349:13
[INFO] [stdout]      |
[INFO] [stdout] 1348 |             let rb = self.read_back_state() as *const ReadbackState as *mut ReadbackState;
[INFO] [stdout]      |                      -------------------------------------------------------------------- casting happened here
[INFO] [stdout] 1349 |             (&mut (*rb)).read_surface(self, surface, x, y, w, h)
[INFO] [stdout]      |             ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: for more information, visit <https://doc.rust-lang.org/book/ch15-05-interior-mutability.html>
[INFO] [stdout]      = note: `#[warn(invalid_reference_casting)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.56s
[INFO] running `Command { std: "docker" "inspect" "36dcdd05dce31b89baca228aa4cd45b0c711b5397ab2eda3f442e680b3b8e860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36dcdd05dce31b89baca228aa4cd45b0c711b5397ab2eda3f442e680b3b8e860", kill_on_drop: false }`
[INFO] [stdout] 36dcdd05dce31b89baca228aa4cd45b0c711b5397ab2eda3f442e680b3b8e860
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 356e4c130fd9c9e71c234a6fbd925c1e5dd46a606e377ddd9bde5c6957805b17
[INFO] running `Command { std: "docker" "start" "-a" "356e4c130fd9c9e71c234a6fbd925c1e5dd46a606e377ddd9bde5c6957805b17", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/nc-renderer-79a7de6c6b38a726/out/bindings.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 |             pub use std::mem;
[INFO] [stdout]   |                     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nc-renderer v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/common.rs:831:13
[INFO] [stdout]     |
[INFO] [stdout] 830 |             SamplerType::Sampler2D(PixelChannel { size, wrap: _ }, _) => size,
[INFO] [stdout]     |             --------------------------------------------------------- matches all the relevant values
[INFO] [stdout] 831 |             _ => panic!("no width!")
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/common.rs:838:13
[INFO] [stdout]     |
[INFO] [stdout] 837 |             SamplerType::Sampler2D(_, PixelChannel { size, wrap: _ }) => size,
[INFO] [stdout]     |             --------------------------------------------------------- matches all the relevant values
[INFO] [stdout] 838 |             _ => panic!("no height!")
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `render` and `surface_class` are never used
[INFO] [stdout]    --> src/gles3/readback.rs:210:8
[INFO] [stdout]     |
[INFO] [stdout] 110 | impl ReadbackState {
[INFO] [stdout]     | ------------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 210 |     fn render(&self, driver: &mut Gles3Driver, tex: TexturePtr, orig_surface_type: OrigSurfaceType) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 232 |     fn surface_class(surface: &TexturePtr) -> OrigSurfaceClass {
[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 `GLProgram` is never constructed
[INFO] [stdout]   --> src/gles3/renderer.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct GLProgram {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GLUniformBlock` is never used
[INFO] [stdout]   --> src/gles3/renderer.rs:70:7
[INFO] [stdout]    |
[INFO] [stdout] 70 | trait GLUniformBlock {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `gl_pixel_size` is never used
[INFO] [stdout]    --> src/gles3/renderer.rs:269:8
[INFO] [stdout]     |
[INFO] [stdout] 265 | trait GLPixelFormat {
[INFO] [stdout]     |       ------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 269 |     fn gl_pixel_size(&self) -> usize;
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pixel_uniforms` is never read
[INFO] [stdout]    --> src/gles3/renderer.rs:378:5
[INFO] [stdout]     |
[INFO] [stdout] 370 | struct GLShader {
[INFO] [stdout]     |        -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 378 |     pixel_uniforms      : Vec<(String, GLuint)>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/common.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 Box::from_raw(self.object);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 let _ = Box::from_raw(self.object);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]     --> src/gles3/renderer.rs:1349:13
[INFO] [stdout]      |
[INFO] [stdout] 1348 |             let rb = self.read_back_state() as *const ReadbackState as *mut ReadbackState;
[INFO] [stdout]      |                      -------------------------------------------------------------------- casting happened here
[INFO] [stdout] 1349 |             (&mut (*rb)).read_surface(self, surface, x, y, w, h)
[INFO] [stdout]      |             ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: for more information, visit <https://doc.rust-lang.org/book/ch15-05-interior-mutability.html>
[INFO] [stdout]      = note: `#[warn(invalid_reference_casting)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/nc-renderer-79a7de6c6b38a726/out/bindings.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 |             pub use std::mem;
[INFO] [stdout]   |                     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/common.rs:831:13
[INFO] [stdout]     |
[INFO] [stdout] 830 |             SamplerType::Sampler2D(PixelChannel { size, wrap: _ }, _) => size,
[INFO] [stdout]     |             --------------------------------------------------------- matches all the relevant values
[INFO] [stdout] 831 |             _ => panic!("no width!")
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/common.rs:838:13
[INFO] [stdout]     |
[INFO] [stdout] 837 |             SamplerType::Sampler2D(_, PixelChannel { size, wrap: _ }) => size,
[INFO] [stdout]     |             --------------------------------------------------------- matches all the relevant values
[INFO] [stdout] 838 |             _ => panic!("no height!")
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `render` and `surface_class` are never used
[INFO] [stdout]    --> src/gles3/readback.rs:210:8
[INFO] [stdout]     |
[INFO] [stdout] 110 | impl ReadbackState {
[INFO] [stdout]     | ------------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 210 |     fn render(&self, driver: &mut Gles3Driver, tex: TexturePtr, orig_surface_type: OrigSurfaceType) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 232 |     fn surface_class(surface: &TexturePtr) -> OrigSurfaceClass {
[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 `GLProgram` is never constructed
[INFO] [stdout]   --> src/gles3/renderer.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct GLProgram {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GLUniformBlock` is never used
[INFO] [stdout]   --> src/gles3/renderer.rs:70:7
[INFO] [stdout]    |
[INFO] [stdout] 70 | trait GLUniformBlock {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `gl_pixel_size` is never used
[INFO] [stdout]    --> src/gles3/renderer.rs:269:8
[INFO] [stdout]     |
[INFO] [stdout] 265 | trait GLPixelFormat {
[INFO] [stdout]     |       ------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 269 |     fn gl_pixel_size(&self) -> usize;
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pixel_uniforms` is never read
[INFO] [stdout]    --> src/gles3/renderer.rs:378:5
[INFO] [stdout]     |
[INFO] [stdout] 370 | struct GLShader {
[INFO] [stdout]     |        -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 378 |     pixel_uniforms      : Vec<(String, GLuint)>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/common.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 Box::from_raw(self.object);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 let _ = Box::from_raw(self.object);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `must_use` that must be used
[INFO] [stdout]     --> src/common.rs:1152:9
[INFO] [stdout]      |
[INFO] [stdout] 1152 |         format!("r: {}", p.s);
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1152 |         let _ = format!("r: {}", p.s);
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]     --> src/gles3/renderer.rs:1349:13
[INFO] [stdout]      |
[INFO] [stdout] 1348 |             let rb = self.read_back_state() as *const ReadbackState as *mut ReadbackState;
[INFO] [stdout]      |                      -------------------------------------------------------------------- casting happened here
[INFO] [stdout] 1349 |             (&mut (*rb)).read_surface(self, surface, x, y, w, h)
[INFO] [stdout]      |             ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: for more information, visit <https://doc.rust-lang.org/book/ch15-05-interior-mutability.html>
[INFO] [stdout]      = note: `#[warn(invalid_reference_casting)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustcydlP00/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bdynamic" "-lglfw" "-lc" "-lGLESv2" "-Wl,-Bstatic" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-*,libgetopts-*,librustc_std_workspace_std-*}.rlib" "/opt/rustwide/target/debug/deps/{librs_math3d-c7d865064162071b,libnum_traits-c0e0e87f55823747,librs_ctypes-0f925e70286b2073}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,libcfg_if-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustcydlP00/raw-dylibs" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/nc_renderer-61665c2dca7ad667" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: unable to find library -lglfw
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nc-renderer` (lib test) due to 1 previous error; 11 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "356e4c130fd9c9e71c234a6fbd925c1e5dd46a606e377ddd9bde5c6957805b17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "356e4c130fd9c9e71c234a6fbd925c1e5dd46a606e377ddd9bde5c6957805b17", kill_on_drop: false }`
[INFO] [stdout] 356e4c130fd9c9e71c234a6fbd925c1e5dd46a606e377ddd9bde5c6957805b17
