[INFO] fetching crate nc-renderer 0.1.3...
[INFO] checking nc-renderer-0.1.3 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate nc-renderer 0.1.3 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate nc-renderer 0.1.3 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rs-ctypes v0.1.1
[INFO] [stderr]   Downloaded rs-math3d v0.9.21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3131c041a441c65471733f9542d5256f4008a361295825e64186ad8c93278cb9
[INFO] running `Command { std: "docker" "start" "-a" "3131c041a441c65471733f9542d5256f4008a361295825e64186ad8c93278cb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3131c041a441c65471733f9542d5256f4008a361295825e64186ad8c93278cb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3131c041a441c65471733f9542d5256f4008a361295825e64186ad8c93278cb9", kill_on_drop: false }`
[INFO] [stdout] 3131c041a441c65471733f9542d5256f4008a361295825e64186ad8c93278cb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db25888470f12d880d7bdb4602fa3a567638a4f9fe5a20515acba868520787ea
[INFO] running `Command { std: "docker" "start" "-a" "db25888470f12d880d7bdb4602fa3a567638a4f9fe5a20515acba868520787ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs-math3d v0.9.21
[INFO] [stderr]     Checking rs-ctypes v0.1.1
[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-d9c4cf9bd14c9709/out/bindings.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 |             pub use std::mem;
[INFO] [stdout]   |                     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/nc-renderer-d9c4cf9bd14c9709/out/bindings.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 |             pub use std::mem;
[INFO] [stdout]   |                     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/common.rs:831:13
[INFO] [stdout]     |
[INFO] [stdout] 831 |             _ => panic!("no width!")
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/common.rs:838:13
[INFO] [stdout]     |
[INFO] [stdout] 838 |             _ => panic!("no height!")
[INFO] [stdout]     |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/common.rs:831:13
[INFO] [stdout]     |
[INFO] [stdout] 831 |             _ => panic!("no width!")
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/common.rs:838:13
[INFO] [stdout]     |
[INFO] [stdout] 838 |             _ => panic!("no height!")
[INFO] [stdout]     |             ^
[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)]` on by default
[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)]` 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] error: 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 happend 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: `#[deny(invalid_reference_casting)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 8 warnings emitted
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nc-renderer` (lib) due to 2 previous errors; 8 warnings emitted
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[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)]` 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] error: 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 happend 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: `#[deny(invalid_reference_casting)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nc-renderer` (lib test) due to 2 previous errors; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "db25888470f12d880d7bdb4602fa3a567638a4f9fe5a20515acba868520787ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db25888470f12d880d7bdb4602fa3a567638a4f9fe5a20515acba868520787ea", kill_on_drop: false }`
[INFO] [stdout] db25888470f12d880d7bdb4602fa3a567638a4f9fe5a20515acba868520787ea
