Cargo Features

arrow-udf-wasm has no features set by default.

arrow-udf-wasm = { version = "0.2.2", features = ["build"] }
build = tempfile

Affects arrow-udf-wasm::build

Features from optional dependencies

In crates that don't use the dep: syntax, optional dependencies automatically become Cargo features. These features may have been created by mistake, and this functionality may be removed in the future.

tempfile build?