[INFO] cloning repository https://github.com/eeli1/wgpu-matrix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eeli1/wgpu-matrix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feeli1%2Fwgpu-matrix", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62cc7fefc085c0cbab195142f04e26e41512df07
[INFO] checking eeli1/wgpu-matrix against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feeli1%2Fwgpu-matrix" "/workspace/builds/worker-0/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eeli1/wgpu-matrix on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
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[INFO] crate git repo https://github.com/eeli1/wgpu-matrix already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `mem_size`
[INFO] [stdout]    --> src/main.rs:184:9
[INFO] [stdout]     |
[INFO] [stdout] 184 |     let mem_size = numbers.len() * std::mem::size_of::<u32>();
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mem_size`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `staging_buffer`
[INFO] [stdout]    --> src/main.rs:186:10
[INFO] [stdout]     |
[INFO] [stdout] 186 |     let (staging_buffer, storage_buffer) = gpu.create_buffer(numbers).await;
[INFO] [stdout]     |          ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_staging_buffer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mem_size`
[INFO] [stdout]    --> src/main.rs:184:9
[INFO] [stdout]     |
[INFO] [stdout] 184 |     let mem_size = numbers.len() * std::mem::size_of::<u32>();
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mem_size`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `staging_buffer`
[INFO] [stdout]    --> src/main.rs:186:10
[INFO] [stdout]     |
[INFO] [stdout] 186 |     let (staging_buffer, storage_buffer) = gpu.create_buffer(numbers).await;
[INFO] [stdout]     |          ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_staging_buffer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `storage_buffer`
[INFO] [stdout]    --> src/main.rs:186:26
[INFO] [stdout]     |
[INFO] [stdout] 186 |     let (staging_buffer, storage_buffer) = gpu.create_buffer(numbers).await;
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_storage_buffer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `instance`
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     instance: wgpu::Instance,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `adapter`
[INFO] [stdout]   --> src/main.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     adapter: wgpu::Adapter,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `queue`
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     queue: wgpu::Queue,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `load_cs_mod`
[INFO] [stdout]   --> src/main.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn load_cs_mod(&self, file_path: &str) -> wgpu::ShaderModule {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `storage_buffer`
[INFO] [stdout]    --> src/main.rs:186:26
[INFO] [stdout]     |
[INFO] [stdout] 186 |     let (staging_buffer, storage_buffer) = gpu.create_buffer(numbers).await;
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_storage_buffer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `instance`
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     instance: wgpu::Instance,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `adapter`
[INFO] [stdout]   --> src/main.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     adapter: wgpu::Adapter,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `queue`
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     queue: wgpu::Queue,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `load_cs_mod`
[INFO] [stdout]   --> src/main.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn load_cs_mod(&self, file_path: &str) -> wgpu::ShaderModule {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `setup_pipeline`
[INFO] [stdout]   --> src/main.rs:88:14
[INFO] [stdout]    |
[INFO] [stdout] 88 |     async fn setup_pipeline(
[INFO] [stdout]    |              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_result`
[INFO] [stdout]    --> src/main.rs:138:14
[INFO] [stdout]     |
[INFO] [stdout] 138 |     async fn get_result(&self, staging_buffer: wgpu::Buffer) -> Vec<u32> {
[INFO] [stdout]     |              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `setup_pipeline`
[INFO] [stdout]   --> src/main.rs:88:14
[INFO] [stdout]    |
[INFO] [stdout] 88 |     async fn setup_pipeline(
[INFO] [stdout]    |              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_result`
[INFO] [stdout]    --> src/main.rs:138:14
[INFO] [stdout]     |
[INFO] [stdout] 138 |     async fn get_result(&self, staging_buffer: wgpu::Buffer) -> Vec<u32> {
[INFO] [stdout]     |              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.35s
[INFO] running `Command { std: "docker" "inspect" "8f3144c7da23a6f1e94e1b3f062f6885afc6bc5ae7b39d635cc8877877817656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f3144c7da23a6f1e94e1b3f062f6885afc6bc5ae7b39d635cc8877877817656", kill_on_drop: false }`
[INFO] [stdout] 8f3144c7da23a6f1e94e1b3f062f6885afc6bc5ae7b39d635cc8877877817656