[INFO] cloning repository https://github.com/davidHarwardt/neural-net
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidHarwardt/neural-net" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdavidHarwardt%2Fneural-net", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdavidHarwardt%2Fneural-net'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13d933aa67107c5d85b6d287c68ad500f32a8927
[INFO] testing davidHarwardt/neural-net against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdavidHarwardt%2Fneural-net" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/davidHarwardt/neural-net
[INFO] finished tweaking git repo https://github.com/davidHarwardt/neural-net
[INFO] tweaked toml for git repo https://github.com/davidHarwardt/neural-net written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/davidHarwardt/neural-net on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/davidHarwardt/neural-net 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-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing davidHarwardt/neural-net against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdavidHarwardt%2Fneural-net" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/davidHarwardt/neural-net
[INFO] finished tweaking git repo https://github.com/davidHarwardt/neural-net
[INFO] tweaked toml for git repo https://github.com/davidHarwardt/neural-net written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/davidHarwardt/neural-net on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/davidHarwardt/neural-net 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-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-complex v0.4.3
[INFO] [stderr]   Downloaded bytemuck v1.13.0
[INFO] [stderr]   Downloaded wide v0.7.6
[INFO] [stderr]   Downloaded nalgebra-macros v0.2.0
[INFO] [stderr]   Downloaded paste v1.0.11
[INFO] [stderr]   Downloaded simba v0.8.0
[INFO] [stderr]   Downloaded nalgebra v0.32.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5babf48744555a7f730cf533bfc9b8c281c0cf1f265049d86693a6d8525482ca
[INFO] running `Command { std: "docker" "start" "-a" "5babf48744555a7f730cf533bfc9b8c281c0cf1f265049d86693a6d8525482ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5babf48744555a7f730cf533bfc9b8c281c0cf1f265049d86693a6d8525482ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5babf48744555a7f730cf533bfc9b8c281c0cf1f265049d86693a6d8525482ca", kill_on_drop: false }`
[INFO] [stdout] 5babf48744555a7f730cf533bfc9b8c281c0cf1f265049d86693a6d8525482ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 044c8eafb666ad18c8323386be0abc397ea78a2abeb59f632458dd36c703e245
[INFO] running `Command { std: "docker" "start" "-a" "044c8eafb666ad18c8323386be0abc397ea78a2abeb59f632458dd36c703e245", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling bytemuck v1.13.0
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling paste v1.0.11
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.2
[INFO] [stderr]    Compiling safe_arch v0.6.0
[INFO] [stderr]    Compiling wide v0.7.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling num-complex v0.4.3
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling simba v0.8.0
[INFO] [stderr]    Compiling nalgebra-macros v0.2.0
[INFO] [stderr]    Compiling nalgebra v0.32.1
[INFO] [stderr]    Compiling neural-net v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find type `Matrix` in this scope
[INFO] [stdout]   --> src/main.rs:76:32
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn calculate(&self, input: Matrix<T>) -> Matrix<T> {
[INFO] [stdout]    |                                ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nalgebra-0.32.1/src/base/alias.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub type DMatrix<T> = Matrix<T, Dyn, Dyn, VecStorage<T, Dyn, Dyn>>;
[INFO] [stdout]    | ------------------- similarly named type alias `DMatrix` defined here
[INFO] [stdout]    |
[INFO] [stdout] help: a type alias with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn calculate(&self, input: DMatrix<T>) -> Matrix<T> {
[INFO] [stdout]    |                                +
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  2 + use nalgebra::Matrix;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Matrix` in this scope
[INFO] [stdout]   --> src/main.rs:76:46
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn calculate(&self, input: Matrix<T>) -> Matrix<T> {
[INFO] [stdout]    |                                              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nalgebra-0.32.1/src/base/alias.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub type DMatrix<T> = Matrix<T, Dyn, Dyn, VecStorage<T, Dyn, Dyn>>;
[INFO] [stdout]    | ------------------- similarly named type alias `DMatrix` defined here
[INFO] [stdout]    |
[INFO] [stdout] help: a type alias with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn calculate(&self, input: Matrix<T>) -> DMatrix<T> {
[INFO] [stdout]    |                                              +
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  2 + use nalgebra::Matrix;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Matrix` in this scope
[INFO] [stdout]    --> src/main.rs:103:32
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn calculate(&self, input: Matrix<T>) -> Matrix<T> {
[INFO] [stdout]     |                                ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nalgebra-0.32.1/src/base/alias.rs:51:1
[INFO] [stdout]     |
[INFO] [stdout]  51 | pub type DMatrix<T> = Matrix<T, Dyn, Dyn, VecStorage<T, Dyn, Dyn>>;
[INFO] [stdout]     | ------------------- similarly named type alias `DMatrix` defined here
[INFO] [stdout]     |
[INFO] [stdout] help: a type alias with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn calculate(&self, input: DMatrix<T>) -> Matrix<T> {
[INFO] [stdout]     |                                +
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   2 + use nalgebra::Matrix;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Matrix` in this scope
[INFO] [stdout]    --> src/main.rs:103:46
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn calculate(&self, input: Matrix<T>) -> Matrix<T> {
[INFO] [stdout]     |                                              ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nalgebra-0.32.1/src/base/alias.rs:51:1
[INFO] [stdout]     |
[INFO] [stdout]  51 | pub type DMatrix<T> = Matrix<T, Dyn, Dyn, VecStorage<T, Dyn, Dyn>>;
[INFO] [stdout]     | ------------------- similarly named type alias `DMatrix` defined here
[INFO] [stdout]     |
[INFO] [stdout] help: a type alias with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn calculate(&self, input: Matrix<T>) -> DMatrix<T> {
[INFO] [stdout]     |                                              +
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   2 + use nalgebra::Matrix;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 2 arguments but 0 arguments were supplied
[INFO] [stdout]    --> src/main.rs:68:13
[INFO] [stdout]     |
[INFO] [stdout]  68 |     (0..mat.rows()).map(|row|
[INFO] [stdout]     |             ^^^^-- two arguments of type `usize` and `usize` are missing
[INFO] [stdout]     |
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nalgebra-0.32.1/src/base/matrix_view.rs:760:6
[INFO] [stdout]     |
[INFO] [stdout] 760 |      rows,
[INFO] [stdout]     |      ^^^^
[INFO] [stdout] help: provide the arguments
[INFO] [stdout]     |
[INFO] [stdout]  68 |     (0..mat.rows(/* usize */, /* usize */)).map(|row|
[INFO] [stdout]     |                  ++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     (0..mat.rows()).map(|row|
[INFO] [stdout]    |         ^^^^^^^^^^ expected integer, found `Matrix<T, Dyn, Dyn, ...>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `{integer}`
[INFO] [stdout]             found struct `Matrix<T, Dyn, Dyn, ViewStorage<'_, T, Dyn, Dyn, Const<1>, Dyn>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: `Matrix<T, Const<1>, Dyn, ViewStorage<'_, T, Const<1>, Dyn, Const<1>, Dyn>>` is not an iterator
[INFO] [stdout]    --> src/main.rs:69:22
[INFO] [stdout]     |
[INFO] [stdout]  69 |         mat.row(row).zip(std::iter::once(row))
[INFO] [stdout]     |                      ^^^ `Matrix<T, Const<1>, Dyn, ViewStorage<'_, T, Const<1>, Dyn, Const<1>, Dyn>>` is not an iterator
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nalgebra-0.32.1/src/base/matrix.rs:173:1
[INFO] [stdout]     |
[INFO] [stdout] 173 | pub struct Matrix<T, R, C, S> {
[INFO] [stdout]     | ----------------------------- doesn't satisfy `_: Iterator`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `Matrix<T, Const<1>, Dyn, ViewStorage<'_, T, Const<1>, Dyn, Const<1>, Dyn>>: Iterator`
[INFO] [stdout]             which is required by `&mut Matrix<T, Const<1>, Dyn, ViewStorage<'_, T, Const<1>, Dyn, Const<1>, Dyn>>: Iterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/main.rs:104:46
[INFO] [stdout]     |
[INFO] [stdout] 104 |         self.layers.iter().fold(input, |acc, v| {
[INFO] [stdout]     |                                              ^
[INFO] [stdout] 105 |             v.calculate(acc).apply_fn(|v| self.activation_fn.calculate(v))
[INFO] [stdout]     |             - type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]     |
[INFO] [stdout] 104 |         self.layers.iter().fold(input, |acc, v: /* Type */| {
[INFO] [stdout]     |                                               ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layers`
[INFO] [stdout]   --> src/main.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn new(layers: &[usize], activation_fn: A, cost_fn: C) -> Self {
[INFO] [stdout]    |            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layers`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `activation_fn`
[INFO] [stdout]   --> src/main.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn new(layers: &[usize], activation_fn: A, cost_fn: C) -> Self {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_activation_fn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cost_fn`
[INFO] [stdout]   --> src/main.rs:92:48
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn new(layers: &[usize], activation_fn: A, cost_fn: C) -> Self {
[INFO] [stdout]    |                                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cost_fn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/main.rs:99:36
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn calculate_data_point(&self, p: &DataPoint<T>) {
[INFO] [stdout]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0282, E0308, E0425, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `neural-net` (bin "neural-net") due to 8 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "044c8eafb666ad18c8323386be0abc397ea78a2abeb59f632458dd36c703e245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "044c8eafb666ad18c8323386be0abc397ea78a2abeb59f632458dd36c703e245", kill_on_drop: false }`
[INFO] [stdout] 044c8eafb666ad18c8323386be0abc397ea78a2abeb59f632458dd36c703e245
