| error: environment variable `CARGO__HOPEFULLY_NOT_DEFINED__` not defined at compile time | |
| --> $DIR/env-not-defined-default.rs:2:5 | |
| | | |
| LL | env!("CARGO__HOPEFULLY_NOT_DEFINED__"); | |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | |
| | | |
| = help: Cargo sets build script variables at run time. Use `std::env::var("CARGO__HOPEFULLY_NOT_DEFINED__")` instead | |
| = note: this error originates in the macro `env` (in Nightly builds, run with -Z macro-backtrace for more info) | |
| error: aborting due to 1 previous error | |