[INFO] cloning repository https://github.com/dhruvkjain/nn-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dhruvkjain/nn-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhruvkjain%2Fnn-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhruvkjain%2Fnn-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0938bf8fdd7d1df7295b02928a8ac5700a6bff6a
[INFO] checking dhruvkjain/nn-rs against try#ce3348c21531b911ca5aadbbbe7ad63a1bc4c382 for pr-149596
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhruvkjain%2Fnn-rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dhruvkjain/nn-rs
[INFO] finished tweaking git repo https://github.com/dhruvkjain/nn-rs
[INFO] tweaked toml for git repo https://github.com/dhruvkjain/nn-rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dhruvkjain/nn-rs on toolchain ce3348c21531b911ca5aadbbbe7ad63a1bc4c382
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ce3348c21531b911ca5aadbbbe7ad63a1bc4c382" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dhruvkjain/nn-rs 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" "+ce3348c21531b911ca5aadbbbe7ad63a1bc4c382" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+ce3348c21531b911ca5aadbbbe7ad63a1bc4c382" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 946145e47e2677edcbe642a70e9476dfeceed55b8262544a0de2a700c5535e72
[INFO] running `Command { std: "docker" "start" "-a" "946145e47e2677edcbe642a70e9476dfeceed55b8262544a0de2a700c5535e72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "946145e47e2677edcbe642a70e9476dfeceed55b8262544a0de2a700c5535e72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "946145e47e2677edcbe642a70e9476dfeceed55b8262544a0de2a700c5535e72", kill_on_drop: false }`
[INFO] [stdout] 946145e47e2677edcbe642a70e9476dfeceed55b8262544a0de2a700c5535e72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+ce3348c21531b911ca5aadbbbe7ad63a1bc4c382" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03157894c0b75b2ced9469b1fb51642f69ea07574b00160ab3d1a17306d3df41
[INFO] running `Command { std: "docker" "start" "-a" "03157894c0b75b2ced9469b1fb51642f69ea07574b00160ab3d1a17306d3df41", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking litemap v0.8.0
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]     Checking writeable v0.6.1
[INFO] [stderr]     Checking foldhash v0.1.5
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking rustls-pki-types v1.12.0
[INFO] [stderr]    Compiling rustls v0.23.27
[INFO] [stderr]     Checking iana-time-zone v0.1.63
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]     Checking tower-layer v0.3.3
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking array-init-cursor v0.2.1
[INFO] [stderr]     Checking ipnet v2.11.0
[INFO] [stderr]     Checking planus v0.3.1
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]     Checking humantime v2.2.0
[INFO] [stderr]     Checking rustls-native-certs v0.8.1
[INFO] [stderr]     Checking rustls-pemfile v2.2.0
[INFO] [stderr]     Checking miniz_oxide v0.8.8
[INFO] [stderr]    Compiling chrono-tz-build v0.4.1
[INFO] [stderr]    Compiling polars-utils v0.47.1
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling polars-schema v0.47.1
[INFO] [stderr]    Compiling polars-arrow v0.47.1
[INFO] [stderr]    Compiling polars-compute v0.47.1
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]     Checking ethnum v1.5.1
[INFO] [stderr]     Checking flate2 v1.1.1
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]     Checking socket2 v0.5.9
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling chrono-tz v0.10.3
[INFO] [stderr]     Checking memmap2 v0.9.5
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking sysinfo v0.33.1
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling cc v1.2.23
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling polars-core v0.47.1
[INFO] [stderr]    Compiling polars-ops v0.47.1
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]     Checking constant_time_eq v0.3.1
[INFO] [stderr]     Checking arrayref v0.3.9
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]    Compiling polars-plan v0.47.1
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling polars-stream v0.47.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling polars-pipe v0.47.1
[INFO] [stderr]     Checking event-listener v5.4.0
[INFO] [stderr]     Checking uuid v1.16.0
[INFO] [stderr]    Compiling polars-lazy v0.47.1
[INFO] [stderr]    Compiling polars v0.47.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking rmp v0.8.14
[INFO] [stderr]     Checking argminmax v0.6.3
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling psm v0.1.26
[INFO] [stderr]    Compiling stacker v0.1.21
[INFO] [stderr]    Compiling zstd-sys v2.0.15+zstd.1.5.7
[INFO] [stderr]    Compiling lz4-sys v1.11.1+lz4-1.10.0
[INFO] [stderr]    Compiling blake3 v1.8.2
[INFO] [stderr]     Checking async-channel v2.3.1
[INFO] [stderr]     Checking rand v0.9.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking skiplist v0.5.1
[INFO] [stderr]     Checking rustls-webpki v0.103.3
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]     Checking zstd v0.13.3
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling bytemuck_derive v1.9.3
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling recursive-proc-macro-impl v0.1.1
[INFO] [stderr]    Compiling enum_dispatch v0.3.13
[INFO] [stderr]     Checking recursive v0.1.1
[INFO] [stderr]     Checking async-stream v0.3.6
[INFO] [stderr]     Checking bytemuck v1.23.0
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking thiserror v2.0.12
[INFO] [stderr]     Checking yoke v0.8.0
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking zerovec v0.11.2
[INFO] [stderr]     Checking zerotrie v0.2.2
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking tinystr v0.8.1
[INFO] [stderr]     Checking potential_utf v0.1.2
[INFO] [stderr]     Checking icu_collections v2.0.0
[INFO] [stderr]     Checking icu_locale_core v2.0.0
[INFO] [stderr]     Checking icu_provider v2.0.0
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking icu_normalizer v2.0.0
[INFO] [stderr]     Checking icu_properties v2.0.1
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking polars-parquet-format v0.1.0
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking hashbrown v0.15.3
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking quick-xml v0.37.5
[INFO] [stderr]     Checking polars-arrow-format v0.1.0
[INFO] [stderr]     Checking ndarray v0.16.1
[INFO] [stderr]     Checking compact_str v0.8.1
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking rmp-serde v1.3.0
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking raw-cpuid v11.5.0
[INFO] [stderr]     Checking lz4 v1.28.1
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking tokio v1.45.0
[INFO] [stderr]     Checking http v1.3.1
[INFO] [stderr]     Checking crossterm v0.28.1
[INFO] [stderr]     Checking indexmap v2.9.0
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking comfy-table v7.1.4
[INFO] [stderr]     Checking now v0.1.3
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]     Checking fs4 v0.13.1
[INFO] [stderr]     Checking ndarray-rand v0.15.0
[INFO] [stderr]     Checking optimizer v0.1.0 (/opt/rustwide/workdir/crates/optimizer)
[INFO] [stderr]     Checking layers v0.1.0 (/opt/rustwide/workdir/crates/layers)
[INFO] [stderr]     Checking loss v0.1.0 (/opt/rustwide/workdir/crates/loss)
[INFO] [stderr]     Checking tokio-util v0.7.15
[INFO] [stderr]     Checking tokio-rustls v0.26.2
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking h2 v0.4.10
[INFO] [stderr]     Checking hyper v1.6.0
[INFO] [stderr]     Checking hyper-util v0.1.12
[INFO] [stderr]     Checking hyper-rustls v0.27.5
[INFO] [stderr]     Checking reqwest v0.12.15
[INFO] [stderr]     Checking object_store v0.12.1
[INFO] [stderr]     Checking polars-error v0.47.1
[INFO] [stderr]     Checking polars-row v0.47.1
[INFO] [stderr]     Checking polars-parquet v0.47.1
[INFO] [stderr]     Checking polars-time v0.47.1
[INFO] [stderr]     Checking polars-io v0.47.1
[INFO] [stderr]     Checking polars-expr v0.47.1
[INFO] [stderr]     Checking polars-mem-engine v0.47.1
[INFO] [stderr]     Checking model v0.1.0 (/opt/rustwide/workdir/crates/model)
[INFO] [stderr]     Checking mnist-nn v0.1.0 (/opt/rustwide/workdir/examples/mnist-nn)
[INFO] [stdout] warning: useless assignment of variable of type `ArrayBase<OwnedRepr<f32>, Dim<[usize; 2]>>` to itself
[INFO] [stdout]   --> examples/mnist-nn/src/main.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     testing_labels_ndarray = testing_labels_ndarray;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of variable of type `ArrayBase<OwnedRepr<f32>, Dim<[usize; 2]>>` to itself
[INFO] [stdout]   --> examples/mnist-nn/src/main.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     training_labels_ndarray = training_labels_ndarray;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of variable of type `ArrayBase<OwnedRepr<f32>, Dim<[usize; 2]>>` to itself
[INFO] [stdout]   --> examples/mnist-nn/src/main.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     testing_labels_ndarray = testing_labels_ndarray;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of variable of type `ArrayBase<OwnedRepr<f32>, Dim<[usize; 2]>>` to itself
[INFO] [stdout]   --> examples/mnist-nn/src/main.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     training_labels_ndarray = training_labels_ndarray;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 40s
[INFO] running `Command { std: "docker" "inspect" "03157894c0b75b2ced9469b1fb51642f69ea07574b00160ab3d1a17306d3df41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03157894c0b75b2ced9469b1fb51642f69ea07574b00160ab3d1a17306d3df41", kill_on_drop: false }`
[INFO] [stdout] 03157894c0b75b2ced9469b1fb51642f69ea07574b00160ab3d1a17306d3df41
