[INFO] fetching crate nc-renderer 0.1.3... [INFO] checking nc-renderer-0.1.3 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate nc-renderer 0.1.3 into /workspace/builds/worker-2-tc2/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-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate nc-renderer 0.1.3 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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_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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ba6aa86027f8d72c978dfd70717fea37e7c1ae9a2fb1b8b677fc23df5338145e [INFO] running `Command { std: "docker" "start" "-a" "ba6aa86027f8d72c978dfd70717fea37e7c1ae9a2fb1b8b677fc23df5338145e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ba6aa86027f8d72c978dfd70717fea37e7c1ae9a2fb1b8b677fc23df5338145e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba6aa86027f8d72c978dfd70717fea37e7c1ae9a2fb1b8b677fc23df5338145e", kill_on_drop: false }` [INFO] [stdout] ba6aa86027f8d72c978dfd70717fea37e7c1ae9a2fb1b8b677fc23df5338145e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c03bb2253eeb05c957113448e0b7cf7e81b38256ec71a173eb5efe3acedad3da [INFO] running `Command { std: "docker" "start" "-a" "c03bb2253eeb05c957113448e0b7cf7e81b38256ec71a173eb5efe3acedad3da", kill_on_drop: false }` [INFO] [stderr] Compiling khronos_api v3.1.0 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling xml-rs v0.8.27 [INFO] [stderr] Compiling log v0.4.27 [INFO] [stderr] Checking rs-ctypes v0.1.1 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling gl_generator v0.14.0 [INFO] [stderr] Checking rs-math3d v0.9.24 [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-654596d29d600dbb/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-654596d29d600dbb/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] 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)]` 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: 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)]` 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)]` 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::::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 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 [INFO] [stdout] = note: `#[deny(invalid_reference_casting)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `nc-renderer` (lib) due to 1 previous error; 9 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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: 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::::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] 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] 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 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 [INFO] [stdout] = note: `#[deny(invalid_reference_casting)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `nc-renderer` (lib test) due to 1 previous error; 10 warnings emitted [INFO] running `Command { std: "docker" "inspect" "c03bb2253eeb05c957113448e0b7cf7e81b38256ec71a173eb5efe3acedad3da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c03bb2253eeb05c957113448e0b7cf7e81b38256ec71a173eb5efe3acedad3da", kill_on_drop: false }` [INFO] [stdout] c03bb2253eeb05c957113448e0b7cf7e81b38256ec71a173eb5efe3acedad3da