[INFO] cloning repository https://github.com/jacksturt/rust_mini_ai
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jacksturt/rust_mini_ai" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacksturt%2Frust_mini_ai", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacksturt%2Frust_mini_ai'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9edf2d07275a08146b0f6c4d35b3db390083b9ca
[INFO] building jacksturt/rust_mini_ai against master#ce36a966c79e109dabeef7a47fe68e5294c6d71e for pr-137044-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacksturt%2Frust_mini_ai" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jacksturt/rust_mini_ai on toolchain ce36a966c79e109dabeef7a47fe68e5294c6d71e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jacksturt/rust_mini_ai
[INFO] finished tweaking git repo https://github.com/jacksturt/rust_mini_ai
[INFO] tweaked toml for git repo https://github.com/jacksturt/rust_mini_ai written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jacksturt/rust_mini_ai 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" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/huggingface/candle.git`
[INFO] [stderr]     Updating git submodule `https://github.com/NVIDIA/cutlass.git`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07ab6ae3532b7c2d700572800b482917b1119b72ce971b2a4ec552825a77fc13
[INFO] running `Command { std: "docker" "start" "-a" "07ab6ae3532b7c2d700572800b482917b1119b72ce971b2a4ec552825a77fc13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07ab6ae3532b7c2d700572800b482917b1119b72ce971b2a4ec552825a77fc13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07ab6ae3532b7c2d700572800b482917b1119b72ce971b2a4ec552825a77fc13", kill_on_drop: false }`
[INFO] [stdout] 07ab6ae3532b7c2d700572800b482917b1119b72ce971b2a4ec552825a77fc13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a219b563a406af60e333aa37adcb3d6418d0861c99b218f24c7b3e49df78fd9
[INFO] running `Command { std: "docker" "start" "-a" "9a219b563a406af60e333aa37adcb3d6418d0861c99b218f24c7b3e49df78fd9", kill_on_drop: false }`
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[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling indicatif v0.17.7
[INFO] [stderr]    Compiling macro_rules_attribute v0.2.0
[INFO] [stderr]    Compiling arrow-ipc v50.0.0
[INFO] [stderr]    Compiling unicode-normalization-alignments v0.1.12
[INFO] [stderr]    Compiling thrift v0.17.0
[INFO] [stderr]    Compiling rayon-cond v0.3.0
[INFO] [stderr]    Compiling spm_precompiled v0.1.4
[INFO] [stderr]    Compiling lz4_flex v0.11.2
[INFO] [stderr]    Compiling candle-core v0.4.0 (https://github.com/huggingface/candle.git#020a979d)
[INFO] [stderr]    Compiling brotli v3.4.0
[INFO] [stderr]    Compiling png v0.17.11
[INFO] [stderr]    Compiling derive_builder v0.12.0
[INFO] [stderr]    Compiling monostate v0.1.11
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling dirs v5.0.1
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling jpeg-decoder v0.3.1
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling image v0.24.8
[INFO] [stderr]    Compiling gif v0.11.4
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling candle-nn v0.4.0 (https://github.com/huggingface/candle.git#020a979d)
[INFO] [stderr]    Compiling onig v6.4.0
[INFO] [stderr]    Compiling zstd v0.13.0
[INFO] [stderr]    Compiling tokenizers v0.15.1
[INFO] [stderr]    Compiling parquet v50.0.0
[INFO] [stderr]    Compiling rustls-webpki v0.102.2
[INFO] [stderr]    Compiling ureq v2.9.4
[INFO] [stderr]    Compiling hf-hub v0.3.2
[INFO] [stderr]    Compiling candle-datasets v0.4.0 (https://github.com/huggingface/candle.git#020a979d)
[INFO] [stderr]    Compiling miniai v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `candle_datasets::vision::mnist`
[INFO] [stdout]  --> src/visualization/black_and_white.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use candle_datasets::vision::mnist;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/lib.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DATA_PATH` is never used
[INFO] [stdout]  --> src/visualization/black_and_white.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const DATA_PATH: &str = "data/mnist/x_train_ten.json";
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 52s
[INFO] running `Command { std: "docker" "inspect" "9a219b563a406af60e333aa37adcb3d6418d0861c99b218f24c7b3e49df78fd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a219b563a406af60e333aa37adcb3d6418d0861c99b218f24c7b3e49df78fd9", kill_on_drop: false }`
[INFO] [stdout] 9a219b563a406af60e333aa37adcb3d6418d0861c99b218f24c7b3e49df78fd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c24637142bf9a793f8111389f8052b0ed729294987ac1f05ff43961a190762c1
[INFO] running `Command { std: "docker" "start" "-a" "c24637142bf9a793f8111389f8052b0ed729294987ac1f05ff43961a190762c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling miniai v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `candle_datasets::vision::mnist`
[INFO] [stdout]  --> src/visualization/black_and_white.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use candle_datasets::vision::mnist;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/lib.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DATA_PATH` is never used
[INFO] [stdout]  --> src/visualization/black_and_white.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const DATA_PATH: &str = "data/mnist/x_train_ten.json";
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ImageBuffer` and `Luma`
[INFO] [stdout]  --> tests/read_json.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use image::{ImageBuffer, Luma};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `candle_datasets::vision::mnist`
[INFO] [stdout]  --> src/visualization/black_and_white.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use candle_datasets::vision::mnist;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DType`
[INFO] [stdout]  --> tests/matrix_multiply.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | use candle_core::{DType, Device, IndexOp, Tensor};
[INFO] [stdout]   |                   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `IMAGE_PATH` is never used
[INFO] [stdout]  --> tests/read_json.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const IMAGE_PATH: &str = "black_and_white_image.png";
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> tests/visualize.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let result =
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> tests/read_json.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     miniai::data_reading::read_json::read_json_to_vec_vec_f64(DATA_PATH);
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let _ = miniai::data_reading::read_json::read_json_to_vec_vec_f64(DATA_PATH);
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DATA_PATH` is never used
[INFO] [stdout]  --> src/visualization/black_and_white.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const DATA_PATH: &str = "data/mnist/x_train_ten.json";
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.94s
[INFO] running `Command { std: "docker" "inspect" "c24637142bf9a793f8111389f8052b0ed729294987ac1f05ff43961a190762c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c24637142bf9a793f8111389f8052b0ed729294987ac1f05ff43961a190762c1", kill_on_drop: false }`
[INFO] [stdout] c24637142bf9a793f8111389f8052b0ed729294987ac1f05ff43961a190762c1