[INFO] cloning repository https://github.com/Sawyer-Powell/vulkan-tutorial [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sawyer-Powell/vulkan-tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSawyer-Powell%2Fvulkan-tutorial", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSawyer-Powell%2Fvulkan-tutorial'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1b20d8f4f852ce1a6f73c97d57139ea1814f4232 [INFO] checking Sawyer-Powell/vulkan-tutorial against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSawyer-Powell%2Fvulkan-tutorial" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Sawyer-Powell/vulkan-tutorial [INFO] finished tweaking git repo https://github.com/Sawyer-Powell/vulkan-tutorial [INFO] tweaked toml for git repo https://github.com/Sawyer-Powell/vulkan-tutorial written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Sawyer-Powell/vulkan-tutorial on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Sawyer-Powell/vulkan-tutorial 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c72d540594a46ebd1190171d38ac3b301f567f9b5226244b07ee41bd50ea0ac3 [INFO] running `Command { std: "docker" "start" "-a" "c72d540594a46ebd1190171d38ac3b301f567f9b5226244b07ee41bd50ea0ac3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c72d540594a46ebd1190171d38ac3b301f567f9b5226244b07ee41bd50ea0ac3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c72d540594a46ebd1190171d38ac3b301f567f9b5226244b07ee41bd50ea0ac3", kill_on_drop: false }` [INFO] [stdout] c72d540594a46ebd1190171d38ac3b301f567f9b5226244b07ee41bd50ea0ac3 [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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 42c6661b3d03ae0e0a0e642a50c448c9af59ec332e5e5c8ff2ad5bdbd460b1b8 [INFO] running `Command { std: "docker" "start" "-a" "42c6661b3d03ae0e0a0e642a50c448c9af59ec332e5e5c8ff2ad5bdbd460b1b8", kill_on_drop: false }` [INFO] [stderr] Compiling rustix v0.38.44 [INFO] [stderr] Checking linux-raw-sys v0.4.15 [INFO] [stderr] Compiling wayland-sys v0.31.6 [INFO] [stderr] Checking smallvec v1.15.0 [INFO] [stderr] Compiling cc v1.2.20 [INFO] [stderr] Compiling syn v2.0.101 [INFO] [stderr] Compiling wayland-client v0.31.10 [INFO] [stderr] Compiling quick-xml v0.37.5 [INFO] [stderr] Checking tracing-core v0.1.33 [INFO] [stderr] Checking bytemuck v1.22.0 [INFO] [stderr] Checking memmap2 v0.9.5 [INFO] [stderr] Compiling x11-dl v2.21.0 [INFO] [stderr] Checking tiny-skia-path v0.11.4 [INFO] [stderr] Compiling ash v0.38.0+1.3.281 [INFO] [stderr] Compiling winit v0.30.10 [INFO] [stderr] Checking x11rb-protocol v0.13.1 [INFO] [stderr] Compiling wayland-scanner v0.31.6 [INFO] [stderr] Checking ahash v0.8.11 [INFO] [stderr] Checking tiny-skia v0.11.4 [INFO] [stderr] Compiling wayland-backend v0.3.10 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Checking xkbcommon-dl v0.4.2 [INFO] [stderr] Checking thread_local v1.1.8 [INFO] [stderr] Checking tracing-subscriber v0.3.19 [INFO] [stderr] Compiling tracing-attributes v0.1.28 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Checking thiserror v1.0.69 [INFO] [stderr] Checking polling v3.7.4 [INFO] [stderr] Checking calloop v0.13.0 [INFO] [stderr] Checking wayland-csd-frame v0.3.0 [INFO] [stderr] Checking wayland-protocols v0.32.8 [INFO] [stderr] Checking calloop-wayland-source v0.3.0 [INFO] [stderr] Checking wayland-cursor v0.31.8 [INFO] [stderr] Checking x11rb v0.13.1 [INFO] [stderr] Checking wayland-protocols-wlr v0.3.6 [INFO] [stderr] Checking wayland-protocols-plasma v0.3.8 [INFO] [stderr] Checking smithay-client-toolkit v0.19.2 [INFO] [stderr] Checking sctk-adwaita v0.10.1 [INFO] [stderr] Checking ash-window v0.13.0 [INFO] [stderr] Checking ash-blast v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `SurfaceFormatKHR` [INFO] [stdout] --> src/main.rs:24:23 [INFO] [stdout] | [INFO] [stdout] 24 | ShaderModule, SurfaceFormatKHR, SurfaceKHR, SwapchainKHR, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `layer_names` [INFO] [stdout] --> src/main.rs:137:13 [INFO] [stdout] | [INFO] [stdout] 137 | let layer_names = props [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_layer_names` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `window` [INFO] [stdout] --> src/main.rs:1506:13 [INFO] [stdout] | [INFO] [stdout] 1506 | let window = self.window.as_ref().unwrap(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `event_loop` [INFO] [stdout] --> src/main.rs:1519:33 [INFO] [stdout] | [INFO] [stdout] 1519 | fn about_to_wait(&mut self, event_loop: &ActiveEventLoop) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_loop` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `queue_family_index`, `command_pool`, `uniform_buffers`, `uniform_memories`, `storage_memories`, and `descriptor_pool` are never read [INFO] [stdout] --> src/main.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 30 | struct Renderer { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 36 | queue_family_index: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 50 | command_pool: CommandPool, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 51 | command_buffers: Vec, [INFO] [stdout] 52 | uniform_buffers: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 53 | uniform_memories: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 56 | storage_memories: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] 57 | descriptor_pool: DescriptorPool, [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 `Vertex` is never constructed [INFO] [stdout] --> src/main.rs:85:8 [INFO] [stdout] | [INFO] [stdout] 85 | struct Vertex { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `get_binding_description` and `get_attribute_descriptions` are never used [INFO] [stdout] --> src/main.rs:91:8 [INFO] [stdout] | [INFO] [stdout] 90 | impl SSBO { [INFO] [stdout] | --------- associated functions in this implementation [INFO] [stdout] 91 | fn get_binding_description() -> vk::VertexInputBindingDescription { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 100 | fn get_attribute_descriptions() -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `cleanup` and `create_vertex_buffer` are never used [INFO] [stdout] --> src/main.rs:114:8 [INFO] [stdout] | [INFO] [stdout] 113 | impl Renderer { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] 114 | fn cleanup(&mut self) {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 790 | fn create_vertex_buffer( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `appInfo` should have a snake case name [INFO] [stdout] --> src/main.rs:119:13 [INFO] [stdout] | [INFO] [stdout] 119 | let appInfo = vk::ApplicationInfo::default() [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `app_info` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `createInfo` should have a snake case name [INFO] [stdout] --> src/main.rs:142:13 [INFO] [stdout] | [INFO] [stdout] 142 | let createInfo = vk::InstanceCreateInfo::default() [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `create_info` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SurfaceFormatKHR` [INFO] [stdout] --> src/main.rs:24:23 [INFO] [stdout] | [INFO] [stdout] 24 | ShaderModule, SurfaceFormatKHR, SurfaceKHR, SwapchainKHR, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `layer_names` [INFO] [stdout] --> src/main.rs:137:13 [INFO] [stdout] | [INFO] [stdout] 137 | let layer_names = props [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_layer_names` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `window` [INFO] [stdout] --> src/main.rs:1506:13 [INFO] [stdout] | [INFO] [stdout] 1506 | let window = self.window.as_ref().unwrap(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `event_loop` [INFO] [stdout] --> src/main.rs:1519:33 [INFO] [stdout] | [INFO] [stdout] 1519 | fn about_to_wait(&mut self, event_loop: &ActiveEventLoop) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_loop` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `queue_family_index`, `command_pool`, `uniform_buffers`, `uniform_memories`, `storage_memories`, and `descriptor_pool` are never read [INFO] [stdout] --> src/main.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 30 | struct Renderer { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 36 | queue_family_index: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 50 | command_pool: CommandPool, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 51 | command_buffers: Vec, [INFO] [stdout] 52 | uniform_buffers: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 53 | uniform_memories: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 56 | storage_memories: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] 57 | descriptor_pool: DescriptorPool, [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 `Vertex` is never constructed [INFO] [stdout] --> src/main.rs:85:8 [INFO] [stdout] | [INFO] [stdout] 85 | struct Vertex { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `get_binding_description` and `get_attribute_descriptions` are never used [INFO] [stdout] --> src/main.rs:91:8 [INFO] [stdout] | [INFO] [stdout] 90 | impl SSBO { [INFO] [stdout] | --------- associated functions in this implementation [INFO] [stdout] 91 | fn get_binding_description() -> vk::VertexInputBindingDescription { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 100 | fn get_attribute_descriptions() -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `cleanup` and `create_vertex_buffer` are never used [INFO] [stdout] --> src/main.rs:114:8 [INFO] [stdout] | [INFO] [stdout] 113 | impl Renderer { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] 114 | fn cleanup(&mut self) {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 790 | fn create_vertex_buffer( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `appInfo` should have a snake case name [INFO] [stdout] --> src/main.rs:119:13 [INFO] [stdout] | [INFO] [stdout] 119 | let appInfo = vk::ApplicationInfo::default() [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `app_info` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `createInfo` should have a snake case name [INFO] [stdout] --> src/main.rs:142:13 [INFO] [stdout] | [INFO] [stdout] 142 | let createInfo = vk::InstanceCreateInfo::default() [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `create_info` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:1307:18 [INFO] [stdout] | [INFO] [stdout] 1307 | unsafe { self.device.end_command_buffer(command_buffer) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [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] 1307 | unsafe { let _ = self.device.end_command_buffer(command_buffer); }; [INFO] [stdout] | +++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:1328:13 [INFO] [stdout] | [INFO] [stdout] 1328 | self.device.device_wait_idle(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 1328 | let _ = self.device.device_wait_idle(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:1442:13 [INFO] [stdout] | [INFO] [stdout] 1442 | / self.device.queue_submit( [INFO] [stdout] 1443 | | self.queue, [INFO] [stdout] 1444 | | submits.as_slice(), [INFO] [stdout] 1445 | | self.in_flight_fences[self.current_frame as usize], [INFO] [stdout] 1446 | | ); [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 1442 | let _ = self.device.queue_submit( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:1307:18 [INFO] [stdout] | [INFO] [stdout] 1307 | unsafe { self.device.end_command_buffer(command_buffer) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [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] 1307 | unsafe { let _ = self.device.end_command_buffer(command_buffer); }; [INFO] [stdout] | +++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:1328:13 [INFO] [stdout] | [INFO] [stdout] 1328 | self.device.device_wait_idle(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 1328 | let _ = self.device.device_wait_idle(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:1442:13 [INFO] [stdout] | [INFO] [stdout] 1442 | / self.device.queue_submit( [INFO] [stdout] 1443 | | self.queue, [INFO] [stdout] 1444 | | submits.as_slice(), [INFO] [stdout] 1445 | | self.in_flight_fences[self.current_frame as usize], [INFO] [stdout] 1446 | | ); [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 1442 | let _ = self.device.queue_submit( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 11s [INFO] running `Command { std: "docker" "inspect" "42c6661b3d03ae0e0a0e642a50c448c9af59ec332e5e5c8ff2ad5bdbd460b1b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42c6661b3d03ae0e0a0e642a50c448c9af59ec332e5e5c8ff2ad5bdbd460b1b8", kill_on_drop: false }` [INFO] [stdout] 42c6661b3d03ae0e0a0e642a50c448c9af59ec332e5e5c8ff2ad5bdbd460b1b8