Cargo Features

[dependencies]
observation-tools = { version = "0.0.12", default-features = false, features = ["files", "rust", "wasm"] }
default = rust

The rust feature is set by default whenever observation-tools is added without default-features = false somewhere in the dependency tree.

files rust = tempfile
rust default = files, tokio, tokio-util

Enables stream of reqwest ^0.11.14

wasm

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 files?
tokio rust
tokio-util rust