[INFO] cloning repository https://github.com/MadhavSinghGandharav/Anvil
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MadhavSinghGandharav/Anvil" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMadhavSinghGandharav%2FAnvil", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMadhavSinghGandharav%2FAnvil'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 98d2dad0a17e3a5fb81717dd13ae7efbda4579b6
[INFO] testing MadhavSinghGandharav/Anvil against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMadhavSinghGandharav%2FAnvil" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MadhavSinghGandharav/Anvil
[INFO] finished tweaking git repo https://github.com/MadhavSinghGandharav/Anvil
[INFO] tweaked toml for git repo https://github.com/MadhavSinghGandharav/Anvil written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MadhavSinghGandharav/Anvil on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MadhavSinghGandharav/Anvil 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" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2669121d5e5a38b7b0ad62d4e890909b871861680eb9d05e502d2ec16f2751d6
[INFO] running `Command { std: "docker" "start" "-a" "2669121d5e5a38b7b0ad62d4e890909b871861680eb9d05e502d2ec16f2751d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2669121d5e5a38b7b0ad62d4e890909b871861680eb9d05e502d2ec16f2751d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2669121d5e5a38b7b0ad62d4e890909b871861680eb9d05e502d2ec16f2751d6", kill_on_drop: false }`
[INFO] [stdout] 2669121d5e5a38b7b0ad62d4e890909b871861680eb9d05e502d2ec16f2751d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2038be46fdd557ff3964e3d5423d2bf5252660bf2acb224d573a557f6d3f75e
[INFO] running `Command { std: "docker" "start" "-a" "a2038be46fdd557ff3964e3d5423d2bf5252660bf2acb224d573a557f6d3f75e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling rand_core v0.10.0
[INFO] [stderr]    Compiling getrandom v0.4.1
[INFO] [stderr]    Compiling cpufeatures v0.3.0
[INFO] [stderr]    Compiling chacha20 v0.10.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling ordered-float v5.1.0
[INFO] [stderr]    Compiling rand v0.10.0
[INFO] [stderr]    Compiling anvil v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `with_capacity` is never used
[INFO] [stdout]    --> src/core/dense_matrix.rs:224:19
[INFO] [stdout]     |
[INFO] [stdout]  56 | impl DenseMatrix {
[INFO] [stdout]     | ---------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 224 |     pub(crate) fn with_capacity(rows: usize, cols: usize) -> DenseMatrix {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "a2038be46fdd557ff3964e3d5423d2bf5252660bf2acb224d573a557f6d3f75e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2038be46fdd557ff3964e3d5423d2bf5252660bf2acb224d573a557f6d3f75e", kill_on_drop: false }`
[INFO] [stdout] a2038be46fdd557ff3964e3d5423d2bf5252660bf2acb224d573a557f6d3f75e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b454b5c77fd1a319a3db7264cacea54a074d5aeef275a5c57a16b3928c83adc
[INFO] running `Command { std: "docker" "start" "-a" "4b454b5c77fd1a319a3db7264cacea54a074d5aeef275a5c57a16b3928c83adc", kill_on_drop: false }`
[INFO] [stderr]    Compiling anvil v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `with_capacity` is never used
[INFO] [stdout]    --> src/core/dense_matrix.rs:224:19
[INFO] [stdout]     |
[INFO] [stdout]  56 | impl DenseMatrix {
[INFO] [stdout]     | ---------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 224 |     pub(crate) fn with_capacity(rows: usize, cols: usize) -> DenseMatrix {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `with_capacity` is never used
[INFO] [stdout]    --> src/core/dense_matrix.rs:224:19
[INFO] [stdout]     |
[INFO] [stdout]  56 | impl DenseMatrix {
[INFO] [stdout]     | ---------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 224 |     pub(crate) fn with_capacity(rows: usize, cols: usize) -> DenseMatrix {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "4b454b5c77fd1a319a3db7264cacea54a074d5aeef275a5c57a16b3928c83adc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b454b5c77fd1a319a3db7264cacea54a074d5aeef275a5c57a16b3928c83adc", kill_on_drop: false }`
[INFO] [stdout] 4b454b5c77fd1a319a3db7264cacea54a074d5aeef275a5c57a16b3928c83adc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0879b37f07f39af1fc8985de1ae125797bbe45cbcfc2541a0eb048eb01b5b8d3
[INFO] running `Command { std: "docker" "start" "-a" "0879b37f07f39af1fc8985de1ae125797bbe45cbcfc2541a0eb048eb01b5b8d3", kill_on_drop: false }`
[INFO] [stderr] warning: associated function `with_capacity` is never used
[INFO] [stderr]    --> src/core/dense_matrix.rs:224:19
[INFO] [stderr]     |
[INFO] [stderr]  56 | impl DenseMatrix {
[INFO] [stderr]     | ---------------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 224 |     pub(crate) fn with_capacity(rows: usize, cols: usize) -> DenseMatrix {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `anvil` (lib) generated 1 warning
[INFO] [stderr] warning: `anvil` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/anvil-c327e844e7d43870)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests anvil
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test src/core/dense_matrix.rs - core::dense_matrix::DenseMatrix::as_slice (line 291) ... ignored
[INFO] [stdout] test src/core/dense_matrix.rs - core::dense_matrix::DenseMatrix::as_slice_mut (line 323) ... ignored
[INFO] [stdout] test src/core/dense_matrix.rs - core::dense_matrix::DenseMatrix::max (line 167) ... ignored
[INFO] [stdout] test src/core/dense_matrix.rs - core::dense_matrix::DenseMatrix::min (line 191) ... ignored
[INFO] [stdout] test src/linear_model/perceptron.rs - linear_model::perceptron::Perceptron (line 55) ... ignored
[INFO] [stdout] test src/linear_model/perceptron.rs - linear_model::perceptron::Perceptron::new (line 133) ... ignored
[INFO] [stdout] test src/linear_model/sgd_regressor.rs - linear_model::sgd_regressor::Builder::optimizer (line 241) ... ignored
[INFO] [stdout] test src/linear_model/sgd_regressor.rs - linear_model::sgd_regressor::SGDRegressor::new (line 79) ... ignored
[INFO] [stdout] test src/neighbours/knn_classifier.rs - neighbours::knn_classifier::KNNClassifier (line 41) ... ignored
[INFO] [stdout] test src/neighbours/knn_classifier.rs - neighbours::knn_classifier::KNNClassifier<Euclidean,BruteForce> (line 119) ... ignored
[INFO] [stdout] test src/neighbours/knn_regressor.rs - neighbours::knn_regressor::KNNRegressor (line 39) ... ignored
[INFO] [stdout] test src/neighbours/mod.rs - neighbours (line 22) ... ignored
[INFO] [stdout] test src/neighbours/mod.rs - neighbours::DistanceMetric (line 55) ... ignored
[INFO] [stdout] test src/optim/mod.rs - optim::Optimizer (line 37) ... ignored
[INFO] [stdout] test src/optim/mod.rs - optim::SGD (line 8) ... ignored
[INFO] [stdout] test src/optim/sgd.rs - optim::sgd::SGD::new (line 34) ... ignored
[INFO] [stdout] test src/linear_model/logistic_regression.rs - linear_model::logistic_regression::LogisticRegression (line 13) ... FAILED
[INFO] [stdout] test src/linear_model/logistic_regression.rs - linear_model::logistic_regression::LogisticRegression (line 17) ... FAILED
[INFO] [stdout] test src/linear_model/logistic_regression.rs - linear_model::logistic_regression::LogisticRegression (line 27) ... FAILED
[INFO] [stdout] test src/linear_model/logistic_regression.rs - linear_model::logistic_regression::LogisticRegression (line 21) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/linear_model/logistic_regression.rs - linear_model::logistic_regression::LogisticRegression (line 13) stdout ----
[INFO] [stdout] error: missing `fn` or `struct` for function or struct definition
[INFO] [stdout]   --> src/linear_model/logistic_regression.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | f(x) = w^T x + b
[INFO] [stdout]    | ^
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to call a macro, try
[INFO] [stdout]    |
[INFO] [stdout] 14 | f!(x) = w^T x + b
[INFO] [stdout]    |  +
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/linear_model/logistic_regression.rs - linear_model::logistic_regression::LogisticRegression (line 17) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `z` in this scope
[INFO] [stdout]   --> src/linear_model/logistic_regression.rs:18:3
[INFO] [stdout]    |
[INFO] [stdout] 18 | σ(z) = 1 / (1 + exp(-z))
[INFO] [stdout]    |   ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `z` in this scope
[INFO] [stdout]   --> src/linear_model/logistic_regression.rs:18:22
[INFO] [stdout]    |
[INFO] [stdout] 18 | σ(z) = 1 / (1 + exp(-z))
[INFO] [stdout]    |                      ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] warning: the usage of Script Group `Greek` in this crate consists solely of mixed script confusables
[INFO] [stdout]   --> src/linear_model/logistic_regression.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | σ(z) = 1 / (1 + exp(-z))
[INFO] [stdout]    | ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the usage includes 'σ' (U+03C3)
[INFO] [stdout]    = note: please recheck to make sure their usages are indeed what you want
[INFO] [stdout]    = note: `#[warn(mixed_script_confusables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `σ` in this scope
[INFO] [stdout]   --> src/linear_model/logistic_regression.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | σ(z) = 1 / (1 + exp(-z))
[INFO] [stdout]    | ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `exp` in this scope
[INFO] [stdout]   --> src/linear_model/logistic_regression.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 | σ(z) = 1 / (1 + exp(-z))
[INFO] [stdout]    |                 ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0070]: invalid left-hand side of assignment
[INFO] [stdout]   --> src/linear_model/logistic_regression.rs:18:6
[INFO] [stdout]    |
[INFO] [stdout] 18 | σ(z) = 1 / (1 + exp(-z))
[INFO] [stdout]    | ---- ^
[INFO] [stdout]    | |
[INFO] [stdout]    | cannot assign to this expression
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0070, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0070`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/linear_model/logistic_regression.rs - linear_model::logistic_regression::LogisticRegression (line 27) stdout ----
[INFO] [stdout] error: expected one of `!`, `)`, `,`, `.`, `::`, `?`, `{`, or an operator, found `f`
[INFO] [stdout]   --> src/linear_model/logistic_regression.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 28 | L = log(1 + exp(-y f(x)))
[INFO] [stdout]    |                   -^ expected one of 8 possible tokens
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   help: missing `,`
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `L` in this scope
[INFO] [stdout]   --> src/linear_model/logistic_regression.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | L = log(1 + exp(-y f(x)))
[INFO] [stdout]    | ^
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to introduce a new binding
[INFO] [stdout]    |
[INFO] [stdout] 28 | let L = log(1 + exp(-y f(x)))
[INFO] [stdout]    | +++
[INFO] [stdout] help: you might be missing a const parameter
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_linear_model_logistic_regression_rs_27_0<const L: /* Type */>() {
[INFO] [stdout]    |                                                                                                   +++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `y` in this scope
[INFO] [stdout]   --> src/linear_model/logistic_regression.rs:28:18
[INFO] [stdout]    |
[INFO] [stdout] 28 | L = log(1 + exp(-y f(x)))
[INFO] [stdout]    |                  ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `x` in this scope
[INFO] [stdout]   --> src/linear_model/logistic_regression.rs:28:22
[INFO] [stdout]    |
[INFO] [stdout] 28 | L = log(1 + exp(-y f(x)))
[INFO] [stdout]    |                      ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `f` in this scope
[INFO] [stdout]   --> src/linear_model/logistic_regression.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 28 | L = log(1 + exp(-y f(x)))
[INFO] [stdout]    |                    ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `exp` in this scope
[INFO] [stdout]   --> src/linear_model/logistic_regression.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 | L = log(1 + exp(-y f(x)))
[INFO] [stdout]    |             ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `log` in this scope
[INFO] [stdout]   --> src/linear_model/logistic_regression.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | L = log(1 + exp(-y f(x)))
[INFO] [stdout]    |     ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/linear_model/logistic_regression.rs - linear_model::logistic_regression::LogisticRegression (line 21) stdout ----
[INFO] [stdout] error: expected one of `!`, `)`, `,`, `.`, `::`, `?`, `{`, or an operator, found `x`
[INFO] [stdout]   --> src/linear_model/logistic_regression.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 | P(y=1 | x) = σ(w^T x + b)
[INFO] [stdout]    |                   -^ expected one of 8 possible tokens
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   help: missing `,`
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `P` in this scope
[INFO] [stdout]   --> src/linear_model/logistic_regression.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | P(y=1 | x) = σ(w^T x + b)
[INFO] [stdout]    | ^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: you might be missing a const parameter
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_linear_model_logistic_regression_rs_21_0<const P: /* Type */>() {
[INFO] [stdout]    |                                                                                                   +++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `y` in this scope
[INFO] [stdout]   --> src/linear_model/logistic_regression.rs:22:3
[INFO] [stdout]    |
[INFO] [stdout] 22 | P(y=1 | x) = σ(w^T x + b)
[INFO] [stdout]    |   ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `x` in this scope
[INFO] [stdout]   --> src/linear_model/logistic_regression.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | P(y=1 | x) = σ(w^T x + b)
[INFO] [stdout]    |         ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `w` in this scope
[INFO] [stdout]   --> src/linear_model/logistic_regression.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 | P(y=1 | x) = σ(w^T x + b)
[INFO] [stdout]    |                ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `T` in this scope
[INFO] [stdout]   --> src/linear_model/logistic_regression.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 22 | P(y=1 | x) = σ(w^T x + b)
[INFO] [stdout]    |                  ^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: you might be missing a const parameter
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_linear_model_logistic_regression_rs_21_0<const T: /* Type */>() {
[INFO] [stdout]    |                                                                                                   +++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `x` in this scope
[INFO] [stdout]   --> src/linear_model/logistic_regression.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 | P(y=1 | x) = σ(w^T x + b)
[INFO] [stdout]    |                    ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `b` in this scope
[INFO] [stdout]   --> src/linear_model/logistic_regression.rs:22:24
[INFO] [stdout]    |
[INFO] [stdout] 22 | P(y=1 | x) = σ(w^T x + b)
[INFO] [stdout]    |                        ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] warning: the usage of Script Group `Greek` in this crate consists solely of mixed script confusables
[INFO] [stdout]   --> src/linear_model/logistic_regression.rs:22:14
[INFO] [stdout]    |
[INFO] [stdout] 22 | P(y=1 | x) = σ(w^T x + b)
[INFO] [stdout]    |              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the usage includes 'σ' (U+03C3)
[INFO] [stdout]    = note: please recheck to make sure their usages are indeed what you want
[INFO] [stdout]    = note: `#[warn(mixed_script_confusables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `σ` in this scope
[INFO] [stdout]   --> src/linear_model/logistic_regression.rs:22:14
[INFO] [stdout]    |
[INFO] [stdout] 22 | P(y=1 | x) = σ(w^T x + b)
[INFO] [stdout]    |              ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0070]: invalid left-hand side of assignment
[INFO] [stdout]   --> src/linear_model/logistic_regression.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | P(y=1 | x) = σ(w^T x + b)
[INFO] [stdout]    | ---------- ^
[INFO] [stdout]    | |
[INFO] [stdout]    | cannot assign to this expression
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0070, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0070`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/linear_model/logistic_regression.rs - linear_model::logistic_regression::LogisticRegression (line 13)
[INFO] [stdout]     src/linear_model/logistic_regression.rs - linear_model::logistic_regression::LogisticRegression (line 17)
[INFO] [stdout]     src/linear_model/logistic_regression.rs - linear_model::logistic_regression::LogisticRegression (line 21)
[INFO] [stdout]     src/linear_model/logistic_regression.rs - linear_model::logistic_regression::LogisticRegression (line 27)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 16 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.13s; merged doctests compilation took 0.08s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "0879b37f07f39af1fc8985de1ae125797bbe45cbcfc2541a0eb048eb01b5b8d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0879b37f07f39af1fc8985de1ae125797bbe45cbcfc2541a0eb048eb01b5b8d3", kill_on_drop: false }`
[INFO] [stdout] 0879b37f07f39af1fc8985de1ae125797bbe45cbcfc2541a0eb048eb01b5b8d3
