[INFO] cloning repository https://github.com/Kanerix/mnist-ai-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kanerix/mnist-ai-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKanerix%2Fmnist-ai-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKanerix%2Fmnist-ai-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d7b109445052aaa6b10e9b2a02573d21551ef460
[INFO] checking Kanerix/mnist-ai-rust/d7b109445052aaa6b10e9b2a02573d21551ef460 against master#a42d94ebb883116f2867cbe3016d9bde9ca6d3f7 for pr-117593
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKanerix%2Fmnist-ai-rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kanerix/mnist-ai-rust on toolchain a42d94ebb883116f2867cbe3016d9bde9ca6d3f7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a42d94ebb883116f2867cbe3016d9bde9ca6d3f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/Kanerix/mnist-ai-rust
[INFO] finished tweaking git repo https://github.com/Kanerix/mnist-ai-rust
[INFO] tweaked toml for git repo https://github.com/Kanerix/mnist-ai-rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Kanerix/mnist-ai-rust 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" "+a42d94ebb883116f2867cbe3016d9bde9ca6d3f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mnist v0.5.0
[INFO] [stderr]   Downloaded thread-id v4.1.0
[INFO] [stderr]   Downloaded wgpu v0.17.0
[INFO] [stderr]   Downloaded wgpu-core v0.17.0
[INFO] [stderr]   Downloaded wgpu-hal v0.17.0
[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@sha256:0c7e0e8312ad82a1bed3696438480b7da990d348377d3754e1cd95b06a8a36c7" "/opt/rustwide/cargo-home/bin/cargo" "+a42d94ebb883116f2867cbe3016d9bde9ca6d3f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 736f1dcfe09e8b5ec3ca94cdf1b380be335ef8641b68fdcf37e8b285962bd415
[INFO] running `Command { std: "docker" "start" "-a" "736f1dcfe09e8b5ec3ca94cdf1b380be335ef8641b68fdcf37e8b285962bd415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "736f1dcfe09e8b5ec3ca94cdf1b380be335ef8641b68fdcf37e8b285962bd415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "736f1dcfe09e8b5ec3ca94cdf1b380be335ef8641b68fdcf37e8b285962bd415", kill_on_drop: false }`
[INFO] [stdout] 736f1dcfe09e8b5ec3ca94cdf1b380be335ef8641b68fdcf37e8b285962bd415
[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@sha256:0c7e0e8312ad82a1bed3696438480b7da990d348377d3754e1cd95b06a8a36c7" "/opt/rustwide/cargo-home/bin/cargo" "+a42d94ebb883116f2867cbe3016d9bde9ca6d3f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d648e2853469180e54e1108fa9e67af8e860863cfb2b2cc6a0ce5d7167c10a2
[INFO] running `Command { std: "docker" "start" "-a" "9d648e2853469180e54e1108fa9e67af8e860863cfb2b2cc6a0ce5d7167c10a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
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[INFO] [stderr]    Compiling thiserror-impl v1.0.44
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[INFO] [stderr]     Checking wgpu v0.17.0
[INFO] [stderr]     Checking mnist-ai-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.84s
[INFO] running `Command { std: "docker" "inspect" "9d648e2853469180e54e1108fa9e67af8e860863cfb2b2cc6a0ce5d7167c10a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d648e2853469180e54e1108fa9e67af8e860863cfb2b2cc6a0ce5d7167c10a2", kill_on_drop: false }`
[INFO] [stdout] 9d648e2853469180e54e1108fa9e67af8e860863cfb2b2cc6a0ce5d7167c10a2