[INFO] cloning repository https://github.com/kerembay9/mnist_ml_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kerembay9/mnist_ml_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkerembay9%2Fmnist_ml_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkerembay9%2Fmnist_ml_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 877315728922788dcf96128b2df4f1b3a22ce8b0
[INFO] checking kerembay9/mnist_ml_rust against master#b2728d5426bab1d8c39709768c7e22b7f66dde5d for pr-135852
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkerembay9%2Fmnist_ml_rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kerembay9/mnist_ml_rust on toolchain b2728d5426bab1d8c39709768c7e22b7f66dde5d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kerembay9/mnist_ml_rust
[INFO] finished tweaking git repo https://github.com/kerembay9/mnist_ml_rust
[INFO] tweaked toml for git repo https://github.com/kerembay9/mnist_ml_rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kerembay9/mnist_ml_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" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded noisy_float v0.2.0
[INFO] [stderr]   Downloaded ndarray-stats v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65702d920c36050b219618e05a0ea2fb724ef528259aa926a82f77e0e66e144a
[INFO] running `Command { std: "docker" "start" "-a" "65702d920c36050b219618e05a0ea2fb724ef528259aa926a82f77e0e66e144a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65702d920c36050b219618e05a0ea2fb724ef528259aa926a82f77e0e66e144a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65702d920c36050b219618e05a0ea2fb724ef528259aa926a82f77e0e66e144a", kill_on_drop: false }`
[INFO] [stdout] 65702d920c36050b219618e05a0ea2fb724ef528259aa926a82f77e0e66e144a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d5b87cd237bb44d3b97efe5afed615ce0828208b7f52913caea0be7d92101c7
[INFO] running `Command { std: "docker" "start" "-a" "6d5b87cd237bb44d3b97efe5afed615ce0828208b7f52913caea0be7d92101c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling target-features v0.1.5
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking allocator-api2 v0.2.16
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking simdutf8 v0.1.4
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]     Checking atoi_simd v0.15.6
[INFO] [stderr]     Checking dyn-clone v1.0.16
[INFO] [stderr]     Checking fast-float v0.2.0
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking ethnum v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]     Checking streaming-iterator v0.1.9
[INFO] [stderr]     Checking foreign_vec v0.1.0
[INFO] [stderr]    Compiling ahash v0.8.8
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]    Compiling polars-utils v0.37.0
[INFO] [stderr]    Compiling polars-arrow v0.37.0
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]    Compiling polars-compute v0.37.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling polars-core v0.37.0
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]    Compiling polars-ops v0.37.0
[INFO] [stderr]     Checking xxhash-rust v0.8.8
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking rayon v1.8.1
[INFO] [stderr]     Checking memmap2 v0.7.1
[INFO] [stderr]    Compiling polars v0.37.0
[INFO] [stderr]    Compiling syn v2.0.49
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking home v0.5.9
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking crossterm v0.27.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking chrono v0.4.34
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking argminmax v0.6.1
[INFO] [stderr]     Checking atoi v2.0.0
[INFO] [stderr]     Checking noisy_float v0.2.0
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking now v0.1.3
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling bytemuck_derive v1.5.0
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]     Checking indexmap v2.2.3
[INFO] [stderr]     Checking bytemuck v1.14.3
[INFO] [stderr]     Checking comfy-table v7.1.0
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking polars-error v0.37.0
[INFO] [stderr]     Checking ndarray-stats v0.5.1
[INFO] [stderr]    Compiling multiversion-macros v0.7.3
[INFO] [stderr]     Checking multiversion v0.7.3
[INFO] [stderr]     Checking polars-row v0.37.0
[INFO] [stderr]     Checking polars-time v0.37.0
[INFO] [stderr]     Checking polars-io v0.37.0
[INFO] [stderr]     Checking mnist_ml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.21s
[INFO] running `Command { std: "docker" "inspect" "6d5b87cd237bb44d3b97efe5afed615ce0828208b7f52913caea0be7d92101c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d5b87cd237bb44d3b97efe5afed615ce0828208b7f52913caea0be7d92101c7", kill_on_drop: false }`
[INFO] [stdout] 6d5b87cd237bb44d3b97efe5afed615ce0828208b7f52913caea0be7d92101c7