Cargo Features

[dependencies]
thiserror-nostd-notrait-impl = { version = "1.0.57", default-features = false, features = ["std"] }
default = std

The std feature is set by default whenever thiserror-nostd-notrait-impl is added without default-features = false somewhere in the dependency tree.

std default

thiserror-nostd-notrait-impl has 2 features without comments.