[INFO] cloning repository https://github.com/dirdr/digit_recognizer_mnist
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dirdr/digit_recognizer_mnist" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdirdr%2Fdigit_recognizer_mnist", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdirdr%2Fdigit_recognizer_mnist'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] efec8500e89f7cba65bea43c638f453bafef2783
[INFO] checking dirdr/digit_recognizer_mnist against master#f21fbac535ab2c3bc50db20547f4d48477357103 for pr-143193
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdirdr%2Fdigit_recognizer_mnist" "/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/dirdr/digit_recognizer_mnist
[INFO] finished tweaking git repo https://github.com/dirdr/digit_recognizer_mnist
[INFO] tweaked toml for git repo https://github.com/dirdr/digit_recognizer_mnist written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dirdr/digit_recognizer_mnist on toolchain f21fbac535ab2c3bc50db20547f4d48477357103
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dirdr/digit_recognizer_mnist 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" "+f21fbac535ab2c3bc50db20547f4d48477357103" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c23ca4f2c26fa31ada30d52637c343c70ffb17b924a2f7b16e24404f5e6c0d21
[INFO] running `Command { std: "docker" "start" "-a" "c23ca4f2c26fa31ada30d52637c343c70ffb17b924a2f7b16e24404f5e6c0d21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c23ca4f2c26fa31ada30d52637c343c70ffb17b924a2f7b16e24404f5e6c0d21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c23ca4f2c26fa31ada30d52637c343c70ffb17b924a2f7b16e24404f5e6c0d21", kill_on_drop: false }`
[INFO] [stdout] c23ca4f2c26fa31ada30d52637c343c70ffb17b924a2f7b16e24404f5e6c0d21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b202a22310520d0c556c8b6e0c7254d973a9dbcaaffebc5efd0f4c36cd689b0
[INFO] running `Command { std: "docker" "start" "-a" "8b202a22310520d0c556c8b6e0c7254d973a9dbcaaffebc5efd0f4c36cd689b0", kill_on_drop: false }`
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[INFO] [stderr]    Compiling arg_enum_proc_macro v0.3.4
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[INFO] [stderr]     Checking nn_lib v0.1.0 (/opt/rustwide/workdir/nn_lib)
[INFO] [stdout] warning: unused import: `num_traits::zero`
[INFO] [stdout]  --> nn_lib/src/layer.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num_traits::zero;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking bytemuck v1.16.0
[INFO] [stdout] warning: unused import: `num_traits::zero`
[INFO] [stdout]  --> nn_lib/src/layer.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num_traits::zero;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking polling v3.7.0
[INFO] [stdout] warning: unused variable: `input_channels`
[INFO] [stdout]    --> nn_lib/src/layer.rs:355:32
[INFO] [stdout]     |
[INFO] [stdout] 355 |         let (input_h, input_w, input_channels) = self.input_size;
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_channels`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kernel_d`
[INFO] [stdout]    --> nn_lib/src/layer.rs:356:34
[INFO] [stdout]     |
[INFO] [stdout] 356 |         let (kernel_h, kernel_w, kernel_d, num_kernels) = self.kernels_size;
[INFO] [stdout]     |                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_kernel_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_channels`
[INFO] [stdout]    --> nn_lib/src/layer.rs:355:32
[INFO] [stdout]     |
[INFO] [stdout] 355 |         let (input_h, input_w, input_channels) = self.input_size;
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_channels`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kernel_d`
[INFO] [stdout]    --> nn_lib/src/layer.rs:356:34
[INFO] [stdout]     |
[INFO] [stdout] 356 |         let (kernel_h, kernel_w, kernel_d, num_kernels) = self.kernels_size;
[INFO] [stdout]     |                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_kernel_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tiny-skia-path v0.11.4
[INFO] [stderr]     Checking safe_arch v0.7.1
[INFO] [stderr]     Checking ecolor v0.27.2
[INFO] [stderr]     Checking calloop v0.12.4
[INFO] [stderr]     Checking emath v0.27.2
[INFO] [stderr]     Checking rgb v0.8.37
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]     Checking calloop-wayland-source v0.2.0
[INFO] [stderr]     Checking epaint v0.27.2
[INFO] [stderr]     Checking wide v0.7.21
[INFO] [stderr]     Checking tiny-skia v0.11.4
[INFO] [stderr]     Checking egui v0.27.2
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]     Checking simba v0.8.1
[INFO] [stderr]     Checking wayland-protocols-wlr v0.2.0
[INFO] [stderr]     Checking wayland-protocols-plasma v0.2.0
[INFO] [stderr]     Checking egui_glow v0.27.2
[INFO] [stderr]     Checking egui_plot v0.27.2
[INFO] [stderr]     Checking enumflags2 v0.7.9
[INFO] [stderr]     Checking ravif v0.11.5
[INFO] [stderr]     Checking zvariant v3.15.2
[INFO] [stderr]     Checking image v0.25.1
[INFO] [stderr]     Checking sctk-adwaita v0.8.1
[INFO] [stderr]     Checking smithay-clipboard v0.7.1
[INFO] [stderr]     Checking zbus_names v2.6.1
[INFO] [stderr]     Checking zbus v3.15.2
[INFO] [stderr]     Checking x11rb v0.13.1
[INFO] [stderr]     Checking nalgebra v0.32.5
[INFO] [stderr]     Checking arboard v3.4.0
[INFO] [stderr]     Checking atspi-common v0.3.0
[INFO] [stderr]     Checking imageproc v0.25.0
[INFO] [stderr]     Checking atspi-proxies v0.3.0
[INFO] [stderr]     Checking mnist v0.1.0 (/opt/rustwide/workdir/mnist)
[INFO] [stdout] warning: unused import: `imageops`
[INFO] [stdout]  --> mnist/src/augments.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use image::{imageops, GrayImage, Luma};
[INFO] [stdout]   |             ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]  --> mnist/src/augments.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use log::{debug, trace};
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `imageops`
[INFO] [stdout]  --> mnist/src/augments.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use image::{imageops, GrayImage, Luma};
[INFO] [stdout]   |             ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]  --> mnist/src/augments.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use log::{debug, trace};
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `save`
[INFO] [stdout]   --> mnist/src/augments.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let save = i % 10000 == 0;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_save`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `save`
[INFO] [stdout]   --> mnist/src/augments.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let save = i % 10000 == 0;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_save`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking atspi-connection v0.3.0
[INFO] [stderr]     Checking atspi v0.19.0
[INFO] [stderr]     Checking accesskit_unix v0.6.2
[INFO] [stderr]     Checking accesskit_winit v0.16.1
[INFO] [stderr]     Checking egui-winit v0.27.2
[INFO] [stderr]     Checking eframe v0.27.2
[INFO] [stderr]     Checking nn_from_scratch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] running `Command { std: "docker" "inspect" "8b202a22310520d0c556c8b6e0c7254d973a9dbcaaffebc5efd0f4c36cd689b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b202a22310520d0c556c8b6e0c7254d973a9dbcaaffebc5efd0f4c36cd689b0", kill_on_drop: false }`
[INFO] [stdout] 8b202a22310520d0c556c8b6e0c7254d973a9dbcaaffebc5efd0f4c36cd689b0