[INFO] cloning repository https://github.com/ljt019/candle_mnist_cnn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ljt019/candle_mnist_cnn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fljt019%2Fcandle_mnist_cnn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fljt019%2Fcandle_mnist_cnn'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b453a59b0ebadcbda528895559b3b66e7b396380 [INFO] checking ljt019/candle_mnist_cnn against try#a0cd57eba5d417638d3351ba13fc414ad1a24bec for pr-134688-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fljt019%2Fcandle_mnist_cnn" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ljt019/candle_mnist_cnn on toolchain a0cd57eba5d417638d3351ba13fc414ad1a24bec [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a0cd57eba5d417638d3351ba13fc414ad1a24bec" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ljt019/candle_mnist_cnn [INFO] finished tweaking git repo https://github.com/ljt019/candle_mnist_cnn [INFO] tweaked toml for git repo https://github.com/ljt019/candle_mnist_cnn written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ljt019/candle_mnist_cnn 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" "+a0cd57eba5d417638d3351ba13fc414ad1a24bec" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+a0cd57eba5d417638d3351ba13fc414ad1a24bec" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 913033f1986839325689e4bd0961eb0090c04bae54b36887e9130299cc1d523e [INFO] running `Command { std: "docker" "start" "-a" "913033f1986839325689e4bd0961eb0090c04bae54b36887e9130299cc1d523e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "913033f1986839325689e4bd0961eb0090c04bae54b36887e9130299cc1d523e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "913033f1986839325689e4bd0961eb0090c04bae54b36887e9130299cc1d523e", kill_on_drop: false }` [INFO] [stdout] 913033f1986839325689e4bd0961eb0090c04bae54b36887e9130299cc1d523e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+a0cd57eba5d417638d3351ba13fc414ad1a24bec" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1b548523f813e8dc7e8d84cbdbc968db41a650d8f041a790c3afbeca0b4e04f8 [INFO] running `Command { std: "docker" "start" "-a" "1b548523f813e8dc7e8d84cbdbc968db41a650d8f041a790c3afbeca0b4e04f8", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-ident v1.0.13 [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] 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temp_ai v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `train` is never used [INFO] [stdout] --> src/model.rs:89:12 [INFO] [stdout] | [INFO] [stdout] 19 | impl ConvNet { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 89 | pub fn train( [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TrainingArgs` is never constructed [INFO] [stdout] --> src/model.rs:208:12 [INFO] [stdout] | [INFO] [stdout] 208 | pub struct TrainingArgs { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `train` is never used [INFO] [stdout] --> src/model.rs:89:12 [INFO] [stdout] | [INFO] [stdout] 19 | impl ConvNet { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 89 | pub fn train( [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TrainingArgs` is never constructed [INFO] [stdout] --> src/model.rs:208:12 [INFO] [stdout] | [INFO] [stdout] 208 | pub struct TrainingArgs { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.56s [INFO] running `Command { std: "docker" "inspect" "1b548523f813e8dc7e8d84cbdbc968db41a650d8f041a790c3afbeca0b4e04f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b548523f813e8dc7e8d84cbdbc968db41a650d8f041a790c3afbeca0b4e04f8", kill_on_drop: false }` [INFO] [stdout] 1b548523f813e8dc7e8d84cbdbc968db41a650d8f041a790c3afbeca0b4e04f8