[INFO] cloning repository https://github.com/muu86/voronoi-wgpu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/muu86/voronoi-wgpu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuu86%2Fvoronoi-wgpu", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ff84dd7d20b02d9c340d815d7ceb6723bf72c41
[INFO] checking muu86/voronoi-wgpu against 1.95.0-beta.7 for beta-1.95-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuu86%2Fvoronoi-wgpu" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/muu86/voronoi-wgpu
[INFO] finished tweaking git repo https://github.com/muu86/voronoi-wgpu
[INFO] tweaked toml for git repo https://github.com/muu86/voronoi-wgpu written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/muu86/voronoi-wgpu on toolchain 1.95.0-beta.7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0-beta.7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/muu86/voronoi-wgpu 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" "+1.95.0-beta.7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0-beta.7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56f189575f4b7b50646130ce836a0e4939bb8b810ee7038b2f3fd0151020f070
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[INFO] [stderr]    Compiling serde v1.0.219
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[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/framework.rs:97:13
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let mut builder = winit::window::WindowBuilder::new();
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `queue`
[INFO] [stdout]    --> src/voronoi/mod.rs:354:9
[INFO] [stdout]     |
[INFO] [stdout] 354 |         queue: &wgpu::Queue,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_queue`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `device`
[INFO] [stdout]    --> src/voronoi/mod.rs:811:9
[INFO] [stdout]     |
[INFO] [stdout] 811 |         device: &wgpu::Device,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_device`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/lib.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | async fn run() {
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `boundary_vertex_buffer`, `boundary_vertex_count`, and `boundary_pipeline` are never read
[INFO] [stdout]    --> src/voronoi/mod.rs:276:5
[INFO] [stdout]     |
[INFO] [stdout] 252 | pub struct Example {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 276 |     boundary_vertex_buffer: wgpu::Buffer,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 277 |     boundary_vertex_count: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 278 |     boundary_pipeline: wgpu::RenderPipeline,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/framework.rs:240:12
[INFO] [stdout]     |
[INFO] [stdout] 240 |     fn get(&self) -> Option<&Surface> {
[INFO] [stdout]     |            ^^^^^            ^^^^^^^^
[INFO] [stdout]     |            |                ||
[INFO] [stdout]     |            |                |the same lifetime is hidden here
[INFO] [stdout]     |            |                the same lifetime is elided here
[INFO] [stdout]     |            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 240 |     fn get(&self) -> Option<&Surface<'_>> {
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/framework.rs:97:13
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let mut builder = winit::window::WindowBuilder::new();
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `queue`
[INFO] [stdout]    --> src/voronoi/mod.rs:354:9
[INFO] [stdout]     |
[INFO] [stdout] 354 |         queue: &wgpu::Queue,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_queue`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `device`
[INFO] [stdout]    --> src/voronoi/mod.rs:811:9
[INFO] [stdout]     |
[INFO] [stdout] 811 |         device: &wgpu::Device,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_device`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/lib.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | async fn run() {
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `boundary_vertex_buffer`, `boundary_vertex_count`, and `boundary_pipeline` are never read
[INFO] [stdout]    --> src/voronoi/mod.rs:276:5
[INFO] [stdout]     |
[INFO] [stdout] 252 | pub struct Example {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 276 |     boundary_vertex_buffer: wgpu::Buffer,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 277 |     boundary_vertex_count: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 278 |     boundary_pipeline: wgpu::RenderPipeline,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/framework.rs:240:12
[INFO] [stdout]     |
[INFO] [stdout] 240 |     fn get(&self) -> Option<&Surface> {
[INFO] [stdout]     |            ^^^^^            ^^^^^^^^
[INFO] [stdout]     |            |                ||
[INFO] [stdout]     |            |                |the same lifetime is hidden here
[INFO] [stdout]     |            |                the same lifetime is elided here
[INFO] [stdout]     |            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 240 |     fn get(&self) -> Option<&Surface<'_>> {
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 53.97s
[INFO] running `Command { std: "docker" "inspect" "56f189575f4b7b50646130ce836a0e4939bb8b810ee7038b2f3fd0151020f070", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56f189575f4b7b50646130ce836a0e4939bb8b810ee7038b2f3fd0151020f070", kill_on_drop: false }`
[INFO] [stdout] 56f189575f4b7b50646130ce836a0e4939bb8b810ee7038b2f3fd0151020f070
