[INFO] cloning repository https://github.com/kevinkurek/rust_ml_training
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kevinkurek/rust_ml_training" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinkurek%2Frust_ml_training", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinkurek%2Frust_ml_training'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c0f241e0f0ac1dc919b66d570fada4eaba9e2d4
[INFO] checking kevinkurek/rust_ml_training/9c0f241e0f0ac1dc919b66d570fada4eaba9e2d4 against master#04ff05c9c0cfbca33115c5f1b8bb20a66a54b799 for pr-147834
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinkurek%2Frust_ml_training" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kevinkurek/rust_ml_training
[INFO] finished tweaking git repo https://github.com/kevinkurek/rust_ml_training
[INFO] tweaked toml for git repo https://github.com/kevinkurek/rust_ml_training written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kevinkurek/rust_ml_training on toolchain 04ff05c9c0cfbca33115c5f1b8bb20a66a54b799
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kevinkurek/rust_ml_training 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" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/huggingface/candle`
[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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b6a7d7db2dc924d143ee043fee1f9066ff0f3b442342ad8abcc067c5f38fc02
[INFO] running `Command { std: "docker" "start" "-a" "7b6a7d7db2dc924d143ee043fee1f9066ff0f3b442342ad8abcc067c5f38fc02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b6a7d7db2dc924d143ee043fee1f9066ff0f3b442342ad8abcc067c5f38fc02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b6a7d7db2dc924d143ee043fee1f9066ff0f3b442342ad8abcc067c5f38fc02", kill_on_drop: false }`
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[INFO] [stdout] a89479c8fe7147e549a17aecfcf6e5dcb311134d72e59dce383ce9dc19c04750
[INFO] running `Command { std: "docker" "start" "-a" "a89479c8fe7147e549a17aecfcf6e5dcb311134d72e59dce383ce9dc19c04750", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking reborrow v0.5.5
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[INFO] [stderr]    Compiling toml_edit v0.22.22
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[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking clap_builder v4.5.21
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[INFO] [stderr]     Checking candle-core v0.8.0 (https://github.com/huggingface/candle#c12db594)
[INFO] [stderr]     Checking rust_ml_training v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `polars`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use polars::prelude::*;
[INFO] [stdout]   |     ^^^^^^ use of unresolved module or unlinked crate `polars`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `polars`, use `cargo add polars` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `polars`
[INFO] [stdout]  --> src/candle_ml.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use polars::prelude::*;
[INFO] [stdout]   |     ^^^^^^ use of unresolved module or unlinked crate `polars`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `polars`, use `cargo add polars` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `polars`
[INFO] [stdout]  --> src/candle_ml.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use polars::prelude::*;
[INFO] [stdout]   |     ^^^^^^ use of unresolved module or unlinked crate `polars`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `polars`, use `cargo add polars` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `candle_core`
[INFO] [stdout]  --> src/candle_ml.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use candle_core::{Result as CandleResult, DType, Device, Tensor};
[INFO] [stdout]   |     ^^^^^^^^^^^ use of unresolved module or unlinked crate `candle_core`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `candle_core`, use `cargo add candle_core` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `linfa`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use linfa::Dataset;
[INFO] [stdout]   |     ^^^^^ use of unresolved module or unlinked crate `linfa`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `linfa`, use `cargo add linfa` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `linfa`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use linfa::traits::{Fit, Predict};
[INFO] [stdout]   |     ^^^^^ use of unresolved module or unlinked crate `linfa`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `linfa`, use `cargo add linfa` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `linfa`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use linfa::metrics::SingleTargetRegression;
[INFO] [stdout]   |     ^^^^^ use of unresolved module or unlinked crate `linfa`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `linfa`, use `cargo add linfa` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `linfa_linear`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use linfa_linear::LinearRegression;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of unresolved module or unlinked crate `linfa_linear`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `linfa_linear`, use `cargo add linfa_linear` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `src/linfa_ml.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_ml_training` (bin "linfa_ml") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: couldn't read `src/linfa_ml.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `polars`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use polars::prelude::*;
[INFO] [stdout]   |     ^^^^^^ use of unresolved module or unlinked crate `polars`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `polars`, use `cargo add polars` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `candle_core`
[INFO] [stdout]  --> src/candle_ml.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use candle_core::{Result as CandleResult, DType, Device, Tensor};
[INFO] [stdout]   |     ^^^^^^^^^^^ use of unresolved module or unlinked crate `candle_core`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `candle_core`, use `cargo add candle_core` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_ml_training` (bin "linfa_ml" test) due to 1 previous error
[INFO] [stdout] error[E0432]: unresolved import `linfa`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use linfa::Dataset;
[INFO] [stdout]   |     ^^^^^ use of unresolved module or unlinked crate `linfa`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `linfa`, use `cargo add linfa` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `linfa`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use linfa::traits::{Fit, Predict};
[INFO] [stdout]   |     ^^^^^ use of unresolved module or unlinked crate `linfa`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `linfa`, use `cargo add linfa` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `linfa`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use linfa::metrics::SingleTargetRegression;
[INFO] [stdout]   |     ^^^^^ use of unresolved module or unlinked crate `linfa`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `linfa`, use `cargo add linfa` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `linfa_linear`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use linfa_linear::LinearRegression;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of unresolved module or unlinked crate `linfa_linear`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `linfa_linear`, use `cargo add linfa_linear` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `weights` in this scope
[INFO] [stdout]   --> src/candle_ml.rs:76:51
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let predictions = features_tensor.matmul(&weights)?.add(&bias)?;
[INFO] [stdout]    |                                                   ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `bias` in this scope
[INFO] [stdout]   --> src/candle_ml.rs:76:66
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let predictions = features_tensor.matmul(&weights)?.add(&bias)?;
[INFO] [stdout]    |                                                                  ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `weights` in this scope
[INFO] [stdout]   --> src/candle_ml.rs:87:37
[INFO] [stdout]    |
[INFO] [stdout] 87 |         if let Some(weights_grad) = weights.gradient()? {
[INFO] [stdout]    |                                     ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `weights` in this scope
[INFO] [stdout]   --> src/candle_ml.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |             weights = weights.sub(&weights_grad.mul_scalar(learning_rate)?)?;
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to introduce a new binding
[INFO] [stdout]    |
[INFO] [stdout] 88 |             let weights = weights.sub(&weights_grad.mul_scalar(learning_rate)?)?;
[INFO] [stdout]    |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `weights` in this scope
[INFO] [stdout]   --> src/candle_ml.rs:88:23
[INFO] [stdout]    |
[INFO] [stdout] 88 |             weights = weights.sub(&weights_grad.mul_scalar(learning_rate)?)?;
[INFO] [stdout]    |                       ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `bias` in this scope
[INFO] [stdout]   --> src/candle_ml.rs:91:34
[INFO] [stdout]    |
[INFO] [stdout] 91 |         if let Some(bias_grad) = bias.gradient()? {
[INFO] [stdout]    |                                  ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `bias` in this scope
[INFO] [stdout]   --> src/candle_ml.rs:92:13
[INFO] [stdout]    |
[INFO] [stdout] 92 |             bias = bias.sub(&bias_grad.mul_scalar(learning_rate)?)?;
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to introduce a new binding
[INFO] [stdout]    |
[INFO] [stdout] 92 |             let bias = bias.sub(&bias_grad.mul_scalar(learning_rate)?)?;
[INFO] [stdout]    |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `bias` in this scope
[INFO] [stdout]   --> src/candle_ml.rs:92:20
[INFO] [stdout]    |
[INFO] [stdout] 92 |             bias = bias.sub(&bias_grad.mul_scalar(learning_rate)?)?;
[INFO] [stdout]    |                    ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `weights` in this scope
[INFO] [stdout]    --> src/candle_ml.rs:102:47
[INFO] [stdout]     |
[INFO] [stdout] 102 |     let predictions = features_tensor.matmul(&weights)?.add(&bias)?;
[INFO] [stdout]     |                                               ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `bias` in this scope
[INFO] [stdout]    --> src/candle_ml.rs:102:62
[INFO] [stdout]     |
[INFO] [stdout] 102 |     let predictions = features_tensor.matmul(&weights)?.add(&bias)?;
[INFO] [stdout]     |                                                              ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `CsvReader`
[INFO] [stdout]   --> src/candle_ml.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let df = CsvReader::new(reader)
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              use of undeclared type `CsvReader`
[INFO] [stdout]    |              help: a struct with a similar name exists: `BufReader`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `VarStore`
[INFO] [stdout]   --> src/candle_ml.rs:65:14
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let vs = VarStore::new(Device::Cpu);
[INFO] [stdout]    |              ^^^^^^^^ use of undeclared type `VarStore`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `VarBuilder`
[INFO] [stdout]   --> src/candle_ml.rs:66:18
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let mut vb = VarBuilder::from(&vs);
[INFO] [stdout]    |                  ^^^^^^^^^^ use of undeclared type `VarBuilder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Linear`
[INFO] [stdout]   --> src/candle_ml.rs:67:18
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let linear = Linear::new(features[0].len(), 1, &mut vb)?;
[INFO] [stdout]    |                  ^^^^^^ use of undeclared type `Linear`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/candle_ml.rs:88:36
[INFO] [stdout]    |
[INFO] [stdout] 88 |             weights = weights.sub(&weights_grad.mul_scalar(learning_rate)?)?;
[INFO] [stdout]    |                                    ^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/candle_ml.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |             bias = bias.sub(&bias_grad.mul_scalar(learning_rate)?)?;
[INFO] [stdout]    |                              ^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0425, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_ml_training` (bin "candle_ml" test) due to 18 previous errors
[INFO] [stdout] error[E0425]: cannot find value `weights` in this scope
[INFO] [stdout]   --> src/candle_ml.rs:76:51
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let predictions = features_tensor.matmul(&weights)?.add(&bias)?;
[INFO] [stdout]    |                                                   ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `bias` in this scope
[INFO] [stdout]   --> src/candle_ml.rs:76:66
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let predictions = features_tensor.matmul(&weights)?.add(&bias)?;
[INFO] [stdout]    |                                                                  ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `weights` in this scope
[INFO] [stdout]   --> src/candle_ml.rs:87:37
[INFO] [stdout]    |
[INFO] [stdout] 87 |         if let Some(weights_grad) = weights.gradient()? {
[INFO] [stdout]    |                                     ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `weights` in this scope
[INFO] [stdout]   --> src/candle_ml.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |             weights = weights.sub(&weights_grad.mul_scalar(learning_rate)?)?;
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to introduce a new binding
[INFO] [stdout]    |
[INFO] [stdout] 88 |             let weights = weights.sub(&weights_grad.mul_scalar(learning_rate)?)?;
[INFO] [stdout]    |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `weights` in this scope
[INFO] [stdout]   --> src/candle_ml.rs:88:23
[INFO] [stdout]    |
[INFO] [stdout] 88 |             weights = weights.sub(&weights_grad.mul_scalar(learning_rate)?)?;
[INFO] [stdout]    |                       ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `bias` in this scope
[INFO] [stdout]   --> src/candle_ml.rs:91:34
[INFO] [stdout]    |
[INFO] [stdout] 91 |         if let Some(bias_grad) = bias.gradient()? {
[INFO] [stdout]    |                                  ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `bias` in this scope
[INFO] [stdout]   --> src/candle_ml.rs:92:13
[INFO] [stdout]    |
[INFO] [stdout] 92 |             bias = bias.sub(&bias_grad.mul_scalar(learning_rate)?)?;
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to introduce a new binding
[INFO] [stdout]    |
[INFO] [stdout] 92 |             let bias = bias.sub(&bias_grad.mul_scalar(learning_rate)?)?;
[INFO] [stdout]    |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `bias` in this scope
[INFO] [stdout]   --> src/candle_ml.rs:92:20
[INFO] [stdout]    |
[INFO] [stdout] 92 |             bias = bias.sub(&bias_grad.mul_scalar(learning_rate)?)?;
[INFO] [stdout]    |                    ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `weights` in this scope
[INFO] [stdout]    --> src/candle_ml.rs:102:47
[INFO] [stdout]     |
[INFO] [stdout] 102 |     let predictions = features_tensor.matmul(&weights)?.add(&bias)?;
[INFO] [stdout]     |                                               ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `bias` in this scope
[INFO] [stdout]    --> src/candle_ml.rs:102:62
[INFO] [stdout]     |
[INFO] [stdout] 102 |     let predictions = features_tensor.matmul(&weights)?.add(&bias)?;
[INFO] [stdout]     |                                                              ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `CsvReader`
[INFO] [stdout]   --> src/candle_ml.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let df = CsvReader::new(reader)
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              use of undeclared type `CsvReader`
[INFO] [stdout]    |              help: a struct with a similar name exists: `BufReader`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `DataFrame` in this scope
[INFO] [stdout]   --> src/main.rs:84:33
[INFO] [stdout]    |
[INFO] [stdout] 84 | fn train_linear_regression(df: &DataFrame, target: &str) -> Result<(), Box<dyn Error + Send + Sync>> {
[INFO] [stdout]    |                                 ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `VarStore`
[INFO] [stdout]   --> src/candle_ml.rs:65:14
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let vs = VarStore::new(Device::Cpu);
[INFO] [stdout]    |              ^^^^^^^^ use of undeclared type `VarStore`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `VarBuilder`
[INFO] [stdout]   --> src/candle_ml.rs:66:18
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let mut vb = VarBuilder::from(&vs);
[INFO] [stdout]    |                  ^^^^^^^^^^ use of undeclared type `VarBuilder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Linear`
[INFO] [stdout]   --> src/candle_ml.rs:67:18
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let linear = Linear::new(features[0].len(), 1, &mut vb)?;
[INFO] [stdout]    |                  ^^^^^^ use of undeclared type `Linear`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/candle_ml.rs:88:36
[INFO] [stdout]    |
[INFO] [stdout] 88 |             weights = weights.sub(&weights_grad.mul_scalar(learning_rate)?)?;
[INFO] [stdout]    |                                    ^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/candle_ml.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |             bias = bias.sub(&bias_grad.mul_scalar(learning_rate)?)?;
[INFO] [stdout]    |                              ^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `CsvReader`
[INFO] [stdout]   --> src/main.rs:20:14
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let df = CsvReader::new(reader)
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              use of undeclared type `CsvReader`
[INFO] [stdout]    |              help: a struct with a similar name exists: `BufReader`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `linfa_datasets`
[INFO] [stdout]   --> src/main.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let dataset = linfa_datasets::diabetes();
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `linfa_datasets`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `linfa_datasets`, use `cargo add linfa_datasets` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `DataFrame`
[INFO] [stdout]   --> src/main.rs:66:18
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let mut df = DataFrame::new(vec![
[INFO] [stdout]    |                  ^^^^^^^^^ use of undeclared type `DataFrame`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Series`
[INFO] [stdout]   --> src/main.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         Series::new("Column1", (1..=100_000).collect::<Vec<_>>()),
[INFO] [stdout]    |         ^^^^^^ use of undeclared type `Series`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Series`
[INFO] [stdout]   --> src/main.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         Series::new("Column2", (1..=100_000).map(|x| x * 2).collect::<Vec<_>>()),
[INFO] [stdout]    |         ^^^^^^ use of undeclared type `Series`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Series`
[INFO] [stdout]   --> src/main.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         Series::new("Column3", (1..=100_000).map(|x| x * 3).collect::<Vec<_>>()),
[INFO] [stdout]    |         ^^^^^^ use of undeclared type `Series`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Series`
[INFO] [stdout]   --> src/main.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         Series::new("Column4", (1..=100_000).map(|x| x * 4).collect::<Vec<_>>()),
[INFO] [stdout]    |         ^^^^^^ use of undeclared type `Series`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Series`
[INFO] [stdout]   --> src/main.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         Series::new("Column5", (1..=100_000).map(|x| x * 5).collect::<Vec<_>>()),
[INFO] [stdout]    |         ^^^^^^ use of undeclared type `Series`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `CsvWriter`
[INFO] [stdout]   --> src/main.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     CsvWriter::new(&mut file)
[INFO] [stdout]    |     ^^^^^^^^^ use of undeclared type `CsvWriter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `DataType`
[INFO] [stdout]   --> src/main.rs:94:58
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let targets_series = df.column(target_column)?.cast(&DataType::Float64)?;
[INFO] [stdout]    |                                                          ^^^^^^^^ use of undeclared type `DataType`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `DataType`
[INFO] [stdout]    --> src/main.rs:106:53
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let col_series = df.column(col_name)?.cast(&DataType::Float64)?;
[INFO] [stdout]     |                                                     ^^^^^^^^ use of undeclared type `DataType`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0425, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `DataFrame` in this scope
[INFO] [stdout]   --> src/main.rs:84:33
[INFO] [stdout]    |
[INFO] [stdout] 84 | fn train_linear_regression(df: &DataFrame, target: &str) -> Result<(), Box<dyn Error + Send + Sync>> {
[INFO] [stdout]    |                                 ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `CsvReader`
[INFO] [stdout]   --> src/main.rs:20:14
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let df = CsvReader::new(reader)
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              use of undeclared type `CsvReader`
[INFO] [stdout]    |              help: a struct with a similar name exists: `BufReader`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `linfa_datasets`
[INFO] [stdout]   --> src/main.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let dataset = linfa_datasets::diabetes();
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `linfa_datasets`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `linfa_datasets`, use `cargo add linfa_datasets` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `DataFrame`
[INFO] [stdout]   --> src/main.rs:66:18
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let mut df = DataFrame::new(vec![
[INFO] [stdout]    |                  ^^^^^^^^^ use of undeclared type `DataFrame`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Series`
[INFO] [stdout]   --> src/main.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         Series::new("Column1", (1..=100_000).collect::<Vec<_>>()),
[INFO] [stdout]    |         ^^^^^^ use of undeclared type `Series`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Series`
[INFO] [stdout]   --> src/main.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         Series::new("Column2", (1..=100_000).map(|x| x * 2).collect::<Vec<_>>()),
[INFO] [stdout]    |         ^^^^^^ use of undeclared type `Series`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Series`
[INFO] [stdout]   --> src/main.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         Series::new("Column3", (1..=100_000).map(|x| x * 3).collect::<Vec<_>>()),
[INFO] [stdout]    |         ^^^^^^ use of undeclared type `Series`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_ml_training` (bin "candle_ml") due to 18 previous errors
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Series`
[INFO] [stdout]   --> src/main.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         Series::new("Column4", (1..=100_000).map(|x| x * 4).collect::<Vec<_>>()),
[INFO] [stdout]    |         ^^^^^^ use of undeclared type `Series`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Series`
[INFO] [stdout]   --> src/main.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         Series::new("Column5", (1..=100_000).map(|x| x * 5).collect::<Vec<_>>()),
[INFO] [stdout]    |         ^^^^^^ use of undeclared type `Series`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `CsvWriter`
[INFO] [stdout]   --> src/main.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     CsvWriter::new(&mut file)
[INFO] [stdout]    |     ^^^^^^^^^ use of undeclared type `CsvWriter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_ml_training` (bin "rust_ml_training") due to 17 previous errors
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `DataType`
[INFO] [stdout]   --> src/main.rs:94:58
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let targets_series = df.column(target_column)?.cast(&DataType::Float64)?;
[INFO] [stdout]    |                                                          ^^^^^^^^ use of undeclared type `DataType`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `DataType`
[INFO] [stdout]    --> src/main.rs:106:53
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let col_series = df.column(col_name)?.cast(&DataType::Float64)?;
[INFO] [stdout]     |                                                     ^^^^^^^^ use of undeclared type `DataType`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_ml_training` (bin "rust_ml_training" test) due to 17 previous errors
[INFO] running `Command { std: "docker" "inspect" "a89479c8fe7147e549a17aecfcf6e5dcb311134d72e59dce383ce9dc19c04750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a89479c8fe7147e549a17aecfcf6e5dcb311134d72e59dce383ce9dc19c04750", kill_on_drop: false }`
[INFO] [stdout] a89479c8fe7147e549a17aecfcf6e5dcb311134d72e59dce383ce9dc19c04750
