[INFO] cloning repository https://github.com/JasperDavidson/wgpu_mnist_inference
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JasperDavidson/wgpu_mnist_inference" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJasperDavidson%2Fwgpu_mnist_inference", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJasperDavidson%2Fwgpu_mnist_inference'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 765ec12ac65bb3542219057bdd7e205ee728e148
[INFO] checking JasperDavidson/wgpu_mnist_inference against 5c543b0b8c73c7b72bc8284ced4fb22ead15734d for pr-160186
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJasperDavidson%2Fwgpu_mnist_inference" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JasperDavidson/wgpu_mnist_inference
[INFO] finished tweaking git repo https://github.com/JasperDavidson/wgpu_mnist_inference
[INFO] tweaked toml for git repo https://github.com/JasperDavidson/wgpu_mnist_inference written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JasperDavidson/wgpu_mnist_inference on toolchain 5c543b0b8c73c7b72bc8284ced4fb22ead15734d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JasperDavidson/wgpu_mnist_inference 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" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wgpu-types v28.0.0
[INFO] [stderr]   Downloaded wgpu v28.0.0
[INFO] [stderr]   Downloaded range-alloc v0.1.4
[INFO] [stderr]   Downloaded ordered-float v5.1.0
[INFO] [stderr]   Downloaded wgpu-hal v28.0.0
[INFO] [stderr]   Downloaded portable-atomic v1.13.0
[INFO] [stderr]   Downloaded naga v28.0.0
[INFO] [stderr]   Downloaded wgpu-core-deps-windows-linux-android v28.0.0
[INFO] [stderr]   Downloaded wgpu-core-deps-apple v28.0.0
[INFO] [stderr]   Downloaded pollster-macro v0.4.0
[INFO] [stderr]   Downloaded wgpu-core-deps-emscripten v28.0.0
[INFO] [stderr]   Downloaded wgpu-core v28.0.0
[INFO] [stderr]   Downloaded metal v0.33.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6234329d8ba240fecc8ae1133ad6607bc28d0bdfe8f7dbe3a2e7e7548d3bdf7e
[INFO] running `Command { std: "docker" "start" "6234329d8ba240fecc8ae1133ad6607bc28d0bdfe8f7dbe3a2e7e7548d3bdf7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6234329d8ba240fecc8ae1133ad6607bc28d0bdfe8f7dbe3a2e7e7548d3bdf7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6234329d8ba240fecc8ae1133ad6607bc28d0bdfe8f7dbe3a2e7e7548d3bdf7e" "/opt/rustwide/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6234329d8ba240fecc8ae1133ad6607bc28d0bdfe8f7dbe3a2e7e7548d3bdf7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6234329d8ba240fecc8ae1133ad6607bc28d0bdfe8f7dbe3a2e7e7548d3bdf7e" "/opt/rustwide/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.104
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]     Checking foldhash v0.2.0
[INFO] [stderr]    Compiling zerocopy v0.8.31
[INFO] [stderr]    Compiling ash v0.38.0+1.3.281
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling naga v28.0.0
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking bit-vec v0.8.0
[INFO] [stderr]     Checking unicode-width v0.2.2
[INFO] [stderr]    Compiling wgpu-hal v28.0.0
[INFO] [stderr]     Checking hashbrown v0.16.1
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking gpu-descriptor-types v0.2.0
[INFO] [stderr]     Checking bit-set v0.8.0
[INFO] [stderr]     Checking spirv v0.3.0+sdk-1.3.268.0
[INFO] [stderr]     Checking presser v0.3.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking glow v0.16.0
[INFO] [stderr]     Checking codespan-reporting v0.12.0
[INFO] [stderr]    Compiling wgpu-core v28.0.0
[INFO] [stderr]    Compiling litrs v1.0.0
[INFO] [stderr]    Compiling wgpu v28.0.0
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]     Checking gpu-descriptor v0.3.2
[INFO] [stderr]    Compiling document-features v0.2.12
[INFO] [stderr]     Checking indexmap v2.12.1
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking khronos-egl v6.0.0
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking ordered-float v5.1.0
[INFO] [stderr]    Compiling zerocopy-derive v0.8.31
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]    Compiling pollster-macro v0.4.0
[INFO] [stderr]     Checking pollster v0.4.0
[INFO] [stderr]     Checking bytemuck v1.24.0
[INFO] [stderr]     Checking wgpu-types v28.0.0
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking gpu-allocator v0.28.0
[INFO] [stderr]     Checking wgpu-core-deps-windows-linux-android v28.0.0
[INFO] [stderr]     Checking learn_wgpu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 173 |     let mut output_layer = (weight_2.matmul(&hidden_layer_outputs)).matadd(&bias_2);
[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: method `softmax` is never used
[INFO] [stdout]    --> src/main.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout]  50 | impl Tensor {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 120 |     fn softmax(&mut self) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 173 |     let mut output_layer = (weight_2.matmul(&hidden_layer_outputs)).matadd(&bias_2);
[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: method `softmax` is never used
[INFO] [stdout]    --> src/main.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout]  50 | impl Tensor {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 120 |     fn softmax(&mut self) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 45.42s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: naga v28.0.0, wgpu v28.0.0, wgpu-core v28.0.0, wgpu-hal v28.0.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "6234329d8ba240fecc8ae1133ad6607bc28d0bdfe8f7dbe3a2e7e7548d3bdf7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6234329d8ba240fecc8ae1133ad6607bc28d0bdfe8f7dbe3a2e7e7548d3bdf7e", kill_on_drop: false }`
[INFO] [stdout] 6234329d8ba240fecc8ae1133ad6607bc28d0bdfe8f7dbe3a2e7e7548d3bdf7e