Features json and lazy together implicitly require parquet to compile

[rben01]

Checks

• I have checked that this issue has not already been reported.
• I have confirmed this bug exists on the latest version of Polars.

Reproducible example

Cargo.toml

[dependencies]
	polars = { version = "0.42", features = ["json", "lazy"] }

main.rs

use polars::prelude::*;
fn main() {}

Log output

Compiling other deps...
   Compiling polars-plan v0.42.0
error[E0412]: cannot find type `CloudOptions` in this scope
   --> /Users/rben01/.cargo/registry/src/index.crates.io-6f17d22bba15001f/polars-plan-0.42.0/src/plans/functions/count.rs:189:28
    |
189 |     cloud_options: Option<&CloudOptions>,
    |                            ^^^^^^^^^^^^
    |
   ::: /Users/rben01/.cargo/registry/src/index.crates.io-6f17d22bba15001f/polars-plan-0.42.0/src/dsl/options.rs:47:1
    |
47  | pub struct JoinOptions {
    | ---------------------- similarly named struct `JoinOptions` defined here
    |
help: a struct with a similar name exists
    |
189 |     cloud_options: Option<&JoinOptions>,
    |                            ~~~~~~~~~~~
help: consider importing this struct
    |
5   + use polars_io::cloud::CloudOptions;
    |

error[E0425]: cannot find function `is_cloud_url` in this scope
   --> /Users/rben01/.cargo/registry/src/index.crates.io-6f17d22bba15001f/polars-plan-0.42.0/src/plans/functions/count.rs:193:42
    |
193 |     let run_async = !paths.is_empty() && is_cloud_url(&paths[0]) || config::force_async();
    |                                          ^^^^^^^^^^^^ not found in this scope
    |
help: consider importing this function
    |
5   + use polars_io::is_cloud_url;
    |

Some errors have detailed explanations: E0412, E0425.
For more information about an error, try `rustc --explain E0412`.
error: could not compile `polars-plan` (lib) due to 2 previous errors

Issue description

With only features json and lazy, compilation fails as shown above. Adding feature parquet makes compilation succeed.

Expected behavior

No combination of features should prevent code from compiling.

Installed versions

[dependencies]
	polars = { version = "0.42", features = ["json", "lazy"] }

[rob-sil]

This looks like the error in #18258, which was fixed in #18305 for the next rust version.

[rben01]

Thanks, I'll close this then.