[INFO] cloning repository https://github.com/yohaneYuri/digit-recognization
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yohaneYuri/digit-recognization" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FyohaneYuri%2Fdigit-recognization", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FyohaneYuri%2Fdigit-recognization'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36fb93af3ebea3f5c4139f4de0cc7981afe62caf
[INFO] checking yohaneYuri/digit-recognization against master#4068bafedd8ba724e332a5221c06a6fa531a30d2 for pr-146978
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FyohaneYuri%2Fdigit-recognization" "/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/yohaneYuri/digit-recognization
[INFO] finished tweaking git repo https://github.com/yohaneYuri/digit-recognization
[INFO] tweaked toml for git repo https://github.com/yohaneYuri/digit-recognization written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yohaneYuri/digit-recognization on toolchain 4068bafedd8ba724e332a5221c06a6fa531a30d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4068bafedd8ba724e332a5221c06a6fa531a30d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/yohaneYuri/digit-recognization 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" "+4068bafedd8ba724e332a5221c06a6fa531a30d2" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4068bafedd8ba724e332a5221c06a6fa531a30d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2ed2dfe1b06c05063ce5a08aa4b3716a41a29cc0ad663a328a73ca7f7c04381
[INFO] running `Command { std: "docker" "start" "-a" "a2ed2dfe1b06c05063ce5a08aa4b3716a41a29cc0ad663a328a73ca7f7c04381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2ed2dfe1b06c05063ce5a08aa4b3716a41a29cc0ad663a328a73ca7f7c04381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2ed2dfe1b06c05063ce5a08aa4b3716a41a29cc0ad663a328a73ca7f7c04381", kill_on_drop: false }`
[INFO] [stdout] a2ed2dfe1b06c05063ce5a08aa4b3716a41a29cc0ad663a328a73ca7f7c04381
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4068bafedd8ba724e332a5221c06a6fa531a30d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ce45b488aa468b8aae4950bf8ce62234c3972e8335825c22edd4bc529b19752
[INFO] running `Command { std: "docker" "start" "-a" "5ce45b488aa468b8aae4950bf8ce62234c3972e8335825c22edd4bc529b19752", kill_on_drop: false }`
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[INFO] [stderr]     Checking digit-recognition v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Dataset` and `optim::AdamConfig`
[INFO] [stdout]  --> src/main.rs:2:85
[INFO] [stdout]   |
[INFO] [stdout] 2 |     backend::{wgpu::WgpuDevice, Autodiff, Wgpu}, data::dataset::{vision::MnistItem, Dataset}, optim::AdamConfig
[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 imports: `TrainingConfig`, `model::ModelConfig`, and `train`
[INFO] [stdout]  --> src/main.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 |     inference::infer, model::ModelConfig, training::{train, TrainingConfig}
[INFO] [stdout]   |                       ^^^^^^^^^^^^^^^^^^             ^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Dataset` and `optim::AdamConfig`
[INFO] [stdout]  --> src/main.rs:2:85
[INFO] [stdout]   |
[INFO] [stdout] 2 |     backend::{wgpu::WgpuDevice, Autodiff, Wgpu}, data::dataset::{vision::MnistItem, Dataset}, optim::AdamConfig
[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 imports: `TrainingConfig`, `model::ModelConfig`, and `train`
[INFO] [stdout]  --> src/main.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 |     inference::infer, model::ModelConfig, training::{train, TrainingConfig}
[INFO] [stdout]   |                       ^^^^^^^^^^^^^^^^^^             ^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `AutodiffBackend` is never used
[INFO] [stdout]   --> src/main.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 |     type AutodiffBackend = Autodiff<Backend>;
[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 3m 04s
[INFO] running `Command { std: "docker" "inspect" "5ce45b488aa468b8aae4950bf8ce62234c3972e8335825c22edd4bc529b19752", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ce45b488aa468b8aae4950bf8ce62234c3972e8335825c22edd4bc529b19752", kill_on_drop: false }`
[INFO] [stdout] 5ce45b488aa468b8aae4950bf8ce62234c3972e8335825c22edd4bc529b19752