[INFO] fetching crate pcw_regrs 1.9.0...
[INFO] testing pcw_regrs-1.9.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate pcw_regrs 1.9.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate pcw_regrs 1.9.0
[INFO] finished tweaking crates.io crate pcw_regrs 1.9.0
[INFO] tweaked toml for crates.io crate pcw_regrs 1.9.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pcw_regrs 1.9.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
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[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 92 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.7.0)
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[INFO] [stdout] 7a58f003d353993cf73e4ec37f647a31ba84781a998dcce5dfa1a10109b075bb
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[INFO] [stdout] 575cd01bb9fa85ce7c96291a007629d86c87ff30cdd14884db1732dd1ce09cc5
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[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.41
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[INFO] [stderr]    Compiling polyfit-residuals v0.6.5
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[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/prelude.rs:184:12
[INFO] [stdout]     |
[INFO] [stdout] 184 |         if let Some(w) = weights
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/prelude.rs:247:19
[INFO] [stdout]     |
[INFO] [stdout] 247 |         } else if let Some(weights) = timeseries_sample.weights
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(let_chains)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `let_chains` has been stable since `1.88.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(unchecked_math)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dep:rtrb`
[INFO] [stdout]    --> src/solve_dp.rs:538:11
[INFO] [stdout]     |
[INFO] [stdout] 538 |     #[cfg(feature = "dep:rtrb")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `dofs-sub-one`, `nightly-only`, `parallel_rayon`, `rtrb`, and `serde`
[INFO] [stdout]     = help: consider adding `dep:rtrb` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dep:rtrb`
[INFO] [stdout]    --> src/solve_dp.rs:707:11
[INFO] [stdout]     |
[INFO] [stdout] 707 |     #[cfg(feature = "dep:rtrb")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `dofs-sub-one`, `nightly-only`, `parallel_rayon`, `rtrb`, and `serde`
[INFO] [stdout]     = help: consider adding `dep:rtrb` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(let_chains)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `unchecked_math` has been stable since 1.79.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(unchecked_math)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: arguments to this function are incorrect
[INFO] [stdout]     --> src/approx.rs:35:21
[INFO] [stdout]      |
[INFO] [stdout]   35 |             None => try_fit_poly_with_residual(
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] note: expected `ArrayBase<ViewRepr<&_>, Dim<[usize; 1]>>`, found `ArrayBase<ViewRepr<&T>, Dim<[usize; 1]>>`
[INFO] [stdout]     --> src/approx.rs:36:17
[INFO] [stdout]      |
[INFO] [stdout]   36 |                 ArrayView1::from(timeseries.times()),
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: two different versions of crate `ndarray` are being used; two types coming from two different versions of the same crate are different types even if they look the same
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ndarray-0.15.6/src/lib.rs:1268:1
[INFO] [stdout]      |
[INFO] [stdout] 1268 | pub struct ArrayBase<S, D>
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^ this is the found type `ArrayBase`
[INFO] [stdout]      |
[INFO] [stdout]     ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ndarray-0.16.1/src/lib.rs:1280:1
[INFO] [stdout]      |
[INFO] [stdout] 1280 | pub struct ArrayBase<S, D>
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^ this is the expected type `ndarray::ArrayBase`
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/approx.rs:4:5
[INFO] [stdout]      |
[INFO] [stdout]    4 | use polyfit_residuals::{
[INFO] [stdout]      |     ----------------- one version of crate `ndarray` used here, as a dependency of crate `polyfit_residuals`
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/lib.rs:12:5
[INFO] [stdout]      |
[INFO] [stdout]   12 | use ndarray::Array2;
[INFO] [stdout]      |     ------- one version of crate `ndarray` used here, as a direct dependency of the current crate
[INFO] [stdout]      = help: you can use `cargo tree` to explore your dependency tree
[INFO] [stdout] note: expected `ArrayBase<ViewRepr<&_>, Dim<[usize; 1]>>`, found `ArrayBase<ViewRepr<&T>, Dim<[usize; 1]>>`
[INFO] [stdout]     --> src/approx.rs:37:17
[INFO] [stdout]      |
[INFO] [stdout]   37 |                 ArrayView1::from(timeseries.response()),
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: two different versions of crate `ndarray` are being used; two types coming from two different versions of the same crate are different types even if they look the same
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ndarray-0.15.6/src/lib.rs:1268:1
[INFO] [stdout]      |
[INFO] [stdout] 1268 | pub struct ArrayBase<S, D>
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^ this is the found type `ArrayBase`
[INFO] [stdout]      |
[INFO] [stdout]     ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ndarray-0.16.1/src/lib.rs:1280:1
[INFO] [stdout]      |
[INFO] [stdout] 1280 | pub struct ArrayBase<S, D>
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^ this is the expected type `ndarray::ArrayBase`
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/approx.rs:4:5
[INFO] [stdout]      |
[INFO] [stdout]    4 | use polyfit_residuals::{
[INFO] [stdout]      |     ----------------- one version of crate `ndarray` used here, as a dependency of crate `polyfit_residuals`
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/lib.rs:12:5
[INFO] [stdout]      |
[INFO] [stdout]   12 | use ndarray::Array2;
[INFO] [stdout]      |     ------- one version of crate `ndarray` used here, as a direct dependency of the current crate
[INFO] [stdout]      = help: you can use `cargo tree` to explore your dependency tree
[INFO] [stdout] note: function defined here
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/polyfit-residuals-0.6.5/src/lib.rs:809:8
[INFO] [stdout]      |
[INFO] [stdout]  809 | pub fn try_fit_poly_with_residual<R>(
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: arguments to this function are incorrect
[INFO] [stdout]     --> src/approx.rs:41:30
[INFO] [stdout]      |
[INFO] [stdout]   41 |             Some(weights) => weighted::try_fit_poly_with_residual(
[INFO] [stdout]      |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] note: expected `ArrayBase<ViewRepr<&_>, Dim<[usize; 1]>>`, found `ArrayBase<ViewRepr<&T>, Dim<[usize; 1]>>`
[INFO] [stdout]     --> src/approx.rs:42:17
[INFO] [stdout]      |
[INFO] [stdout]   42 |                 ArrayView1::from(timeseries.times()),
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: two different versions of crate `ndarray` are being used; two types coming from two different versions of the same crate are different types even if they look the same
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ndarray-0.15.6/src/lib.rs:1268:1
[INFO] [stdout]      |
[INFO] [stdout] 1268 | pub struct ArrayBase<S, D>
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^ this is the found type `ArrayBase`
[INFO] [stdout]      |
[INFO] [stdout]     ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ndarray-0.16.1/src/lib.rs:1280:1
[INFO] [stdout]      |
[INFO] [stdout] 1280 | pub struct ArrayBase<S, D>
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^ this is the expected type `ndarray::ArrayBase`
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/approx.rs:4:5
[INFO] [stdout]      |
[INFO] [stdout]    4 | use polyfit_residuals::{
[INFO] [stdout]      |     ----------------- one version of crate `ndarray` used here, as a dependency of crate `polyfit_residuals`
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/lib.rs:12:5
[INFO] [stdout]      |
[INFO] [stdout]   12 | use ndarray::Array2;
[INFO] [stdout]      |     ------- one version of crate `ndarray` used here, as a direct dependency of the current crate
[INFO] [stdout]      = help: you can use `cargo tree` to explore your dependency tree
[INFO] [stdout] note: expected `ArrayBase<ViewRepr<&_>, Dim<[usize; 1]>>`, found `ArrayBase<ViewRepr<&T>, Dim<[usize; 1]>>`
[INFO] [stdout]     --> src/approx.rs:43:17
[INFO] [stdout]      |
[INFO] [stdout]   43 |                 ArrayView1::from(timeseries.response()),
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: two different versions of crate `ndarray` are being used; two types coming from two different versions of the same crate are different types even if they look the same
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ndarray-0.15.6/src/lib.rs:1268:1
[INFO] [stdout]      |
[INFO] [stdout] 1268 | pub struct ArrayBase<S, D>
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^ this is the found type `ArrayBase`
[INFO] [stdout]      |
[INFO] [stdout]     ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ndarray-0.16.1/src/lib.rs:1280:1
[INFO] [stdout]      |
[INFO] [stdout] 1280 | pub struct ArrayBase<S, D>
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^ this is the expected type `ndarray::ArrayBase`
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/approx.rs:4:5
[INFO] [stdout]      |
[INFO] [stdout]    4 | use polyfit_residuals::{
[INFO] [stdout]      |     ----------------- one version of crate `ndarray` used here, as a dependency of crate `polyfit_residuals`
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/lib.rs:12:5
[INFO] [stdout]      |
[INFO] [stdout]   12 | use ndarray::Array2;
[INFO] [stdout]      |     ------- one version of crate `ndarray` used here, as a direct dependency of the current crate
[INFO] [stdout]      = help: you can use `cargo tree` to explore your dependency tree
[INFO] [stdout] note: expected `ArrayBase<ViewRepr<&_>, Dim<[usize; 1]>>`, found `ArrayBase<ViewRepr<&T>, Dim<[usize; 1]>>`
[INFO] [stdout]     --> src/approx.rs:45:17
[INFO] [stdout]      |
[INFO] [stdout]   45 |                 ArrayView1::from(weights),
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: two different versions of crate `ndarray` are being used; two types coming from two different versions of the same crate are different types even if they look the same
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ndarray-0.15.6/src/lib.rs:1268:1
[INFO] [stdout]      |
[INFO] [stdout] 1268 | pub struct ArrayBase<S, D>
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^ this is the found type `ArrayBase`
[INFO] [stdout]      |
[INFO] [stdout]     ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ndarray-0.16.1/src/lib.rs:1280:1
[INFO] [stdout]      |
[INFO] [stdout] 1280 | pub struct ArrayBase<S, D>
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^ this is the expected type `ndarray::ArrayBase`
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/approx.rs:4:5
[INFO] [stdout]      |
[INFO] [stdout]    4 | use polyfit_residuals::{
[INFO] [stdout]      |     ----------------- one version of crate `ndarray` used here, as a dependency of crate `polyfit_residuals`
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/lib.rs:12:5
[INFO] [stdout]      |
[INFO] [stdout]   12 | use ndarray::Array2;
[INFO] [stdout]      |     ------- one version of crate `ndarray` used here, as a direct dependency of the current crate
[INFO] [stdout]      = help: you can use `cargo tree` to explore your dependency tree
[INFO] [stdout] note: function defined here
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/polyfit-residuals-0.6.5/src/lib.rs:498:12
[INFO] [stdout]      |
[INFO] [stdout]  498 |     pub fn try_fit_poly_with_residual<R>(
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> src/lib.rs:60:21
[INFO] [stdout]      |
[INFO] [stdout]   50 |     ) -> Vec<Array2<S>>
[INFO] [stdout]      |          -------------- expected `Vec<ArrayBase<OwnedRepr<S>, Dim<[usize; 2]>>>` because of return type
[INFO] [stdout] ...
[INFO] [stdout]   60 |                     pr::weighted::all_residuals_par(xs, ys, max_degree, weights)
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `ArrayBase<OwnedRepr<S>, Dim<[usize; 2]>>`, found a different `ArrayBase<OwnedRepr<S>, Dim<[usize; 2]>>`
[INFO] [stdout]      |
[INFO] [stdout] note: two different versions of crate `ndarray` are being used; two types coming from two different versions of the same crate are different types even if they look the same
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ndarray-0.15.6/src/lib.rs:1268:1
[INFO] [stdout]      |
[INFO] [stdout] 1268 | pub struct ArrayBase<S, D>
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^ this is the expected type `ArrayBase`
[INFO] [stdout]      |
[INFO] [stdout]     ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ndarray-0.16.1/src/lib.rs:1280:1
[INFO] [stdout]      |
[INFO] [stdout] 1280 | pub struct ArrayBase<S, D>
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^ this is the found type `ndarray::ArrayBase`
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/lib.rs:12:5
[INFO] [stdout]      |
[INFO] [stdout]   12 | use ndarray::Array2;
[INFO] [stdout]      |     ------- one version of crate `ndarray` used here, as a direct dependency of the current crate
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/approx.rs:4:5
[INFO] [stdout]      |
[INFO] [stdout]    4 | use polyfit_residuals::{
[INFO] [stdout]      |     ----------------- one version of crate `ndarray` used here, as a dependency of crate `polyfit_residuals`
[INFO] [stdout]      = help: you can use `cargo tree` to explore your dependency tree
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> src/lib.rs:62:21
[INFO] [stdout]      |
[INFO] [stdout]   50 |     ) -> Vec<Array2<S>>
[INFO] [stdout]      |          -------------- expected `Vec<ArrayBase<OwnedRepr<S>, Dim<[usize; 2]>>>` because of return type
[INFO] [stdout] ...
[INFO] [stdout]   62 |                     pr::weighted::all_residuals(xs, ys, max_degree, weights)
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `ArrayBase<OwnedRepr<S>, Dim<[usize; 2]>>`, found a different `ArrayBase<OwnedRepr<S>, Dim<[usize; 2]>>`
[INFO] [stdout]      |
[INFO] [stdout] note: two different versions of crate `ndarray` are being used; two types coming from two different versions of the same crate are different types even if they look the same
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ndarray-0.15.6/src/lib.rs:1268:1
[INFO] [stdout]      |
[INFO] [stdout] 1268 | pub struct ArrayBase<S, D>
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^ this is the expected type `ArrayBase`
[INFO] [stdout]      |
[INFO] [stdout]     ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ndarray-0.16.1/src/lib.rs:1280:1
[INFO] [stdout]      |
[INFO] [stdout] 1280 | pub struct ArrayBase<S, D>
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^ this is the found type `ndarray::ArrayBase`
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/lib.rs:12:5
[INFO] [stdout]      |
[INFO] [stdout]   12 | use ndarray::Array2;
[INFO] [stdout]      |     ------- one version of crate `ndarray` used here, as a direct dependency of the current crate
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/approx.rs:4:5
[INFO] [stdout]      |
[INFO] [stdout]    4 | use polyfit_residuals::{
[INFO] [stdout]      |     ----------------- one version of crate `ndarray` used here, as a dependency of crate `polyfit_residuals`
[INFO] [stdout]      = help: you can use `cargo tree` to explore your dependency tree
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> src/lib.rs:67:21
[INFO] [stdout]      |
[INFO] [stdout]   50 |     ) -> Vec<Array2<S>>
[INFO] [stdout]      |          -------------- expected `Vec<ArrayBase<OwnedRepr<S>, Dim<[usize; 2]>>>` because of return type
[INFO] [stdout] ...
[INFO] [stdout]   67 |                     pr::all_residuals_par(xs, ys, max_degree)
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `ArrayBase<OwnedRepr<S>, Dim<[usize; 2]>>`, found a different `ArrayBase<OwnedRepr<S>, Dim<[usize; 2]>>`
[INFO] [stdout]      |
[INFO] [stdout] note: two different versions of crate `ndarray` are being used; two types coming from two different versions of the same crate are different types even if they look the same
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ndarray-0.15.6/src/lib.rs:1268:1
[INFO] [stdout]      |
[INFO] [stdout] 1268 | pub struct ArrayBase<S, D>
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^ this is the expected type `ArrayBase`
[INFO] [stdout]      |
[INFO] [stdout]     ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ndarray-0.16.1/src/lib.rs:1280:1
[INFO] [stdout]      |
[INFO] [stdout] 1280 | pub struct ArrayBase<S, D>
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^ this is the found type `ndarray::ArrayBase`
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/lib.rs:12:5
[INFO] [stdout]      |
[INFO] [stdout]   12 | use ndarray::Array2;
[INFO] [stdout]      |     ------- one version of crate `ndarray` used here, as a direct dependency of the current crate
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/approx.rs:4:5
[INFO] [stdout]      |
[INFO] [stdout]    4 | use polyfit_residuals::{
[INFO] [stdout]      |     ----------------- one version of crate `ndarray` used here, as a dependency of crate `polyfit_residuals`
[INFO] [stdout]      = help: you can use `cargo tree` to explore your dependency tree
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> src/lib.rs:69:21
[INFO] [stdout]      |
[INFO] [stdout]   50 |     ) -> Vec<Array2<S>>
[INFO] [stdout]      |          -------------- expected `Vec<ArrayBase<OwnedRepr<S>, Dim<[usize; 2]>>>` because of return type
[INFO] [stdout] ...
[INFO] [stdout]   69 |                     pr::all_residuals(xs, ys, max_degree)
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `ArrayBase<OwnedRepr<S>, Dim<[usize; 2]>>`, found a different `ArrayBase<OwnedRepr<S>, Dim<[usize; 2]>>`
[INFO] [stdout]      |
[INFO] [stdout] note: two different versions of crate `ndarray` are being used; two types coming from two different versions of the same crate are different types even if they look the same
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ndarray-0.15.6/src/lib.rs:1268:1
[INFO] [stdout]      |
[INFO] [stdout] 1268 | pub struct ArrayBase<S, D>
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^ this is the expected type `ArrayBase`
[INFO] [stdout]      |
[INFO] [stdout]     ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ndarray-0.16.1/src/lib.rs:1280:1
[INFO] [stdout]      |
[INFO] [stdout] 1280 | pub struct ArrayBase<S, D>
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^ this is the found type `ndarray::ArrayBase`
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/lib.rs:12:5
[INFO] [stdout]      |
[INFO] [stdout]   12 | use ndarray::Array2;
[INFO] [stdout]      |     ------- one version of crate `ndarray` used here, as a direct dependency of the current crate
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/approx.rs:4:5
[INFO] [stdout]      |
[INFO] [stdout]    4 | use polyfit_residuals::{
[INFO] [stdout]      |     ----------------- one version of crate `ndarray` used here, as a dependency of crate `polyfit_residuals`
[INFO] [stdout]      = help: you can use `cargo tree` to explore your dependency tree
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pcw_regrs` (lib) due to 10 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "575cd01bb9fa85ce7c96291a007629d86c87ff30cdd14884db1732dd1ce09cc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "575cd01bb9fa85ce7c96291a007629d86c87ff30cdd14884db1732dd1ce09cc5", kill_on_drop: false }`
[INFO] [stdout] 575cd01bb9fa85ce7c96291a007629d86c87ff30cdd14884db1732dd1ce09cc5
