error: this will panic at run-time if the environment variable doesn't exist at compile-time --> $DIR/option_env_unwrap.rs:18:13 | LL | let _ = option_env!("PATH").unwrap(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: `-D clippy::option-env-unwrap` implied by `-D warnings` = help: consider using the `env!` macro instead error: this will panic at run-time if the environment variable doesn't exist at compile-time --> $DIR/option_env_unwrap.rs:19:13 | LL | let _ = option_env!("PATH").expect("environment variable PATH isn't set"); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: consider using the `env!` macro instead error: this will panic at run-time if the environment variable doesn't exist at compile-time --> $DIR/option_env_unwrap.rs:10:9 | LL | option_env!($env).unwrap() | ^^^^^^^^^^^^^^^^^^^^^^^^^^ ... LL | let _ = option_env_unwrap!("PATH"); | -------------------------- in this macro invocation | = help: consider using the `env!` macro instead = note: this error originates in the macro `option_env_unwrap` (in Nightly builds, run with -Z macro-backtrace for more info) error: this will panic at run-time if the environment variable doesn't exist at compile-time --> $DIR/option_env_unwrap.rs:13:9 | LL | option_env!($env).expect($message) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ... LL | let _ = option_env_unwrap!("PATH", "environment variable PATH isn't set"); | ----------------------------------------------------------------- in this macro invocation | = help: consider using the `env!` macro instead = note: this error originates in the macro `option_env_unwrap` (in Nightly builds, run with -Z macro-backtrace for more info) error: this will panic at run-time if the environment variable doesn't exist at compile-time --> $DIR/option_env_unwrap.rs:22:13 | LL | let _ = option_env_unwrap_external!("PATH"); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: consider using the `env!` macro instead = note: this error originates in the macro `option_env_unwrap_external` (in Nightly builds, run with -Z macro-backtrace for more info) error: this will panic at run-time if the environment variable doesn't exist at compile-time --> $DIR/option_env_unwrap.rs:23:13 | LL | let _ = option_env_unwrap_external!("PATH", "environment variable PATH isn't set"); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: consider using the `env!` macro instead = note: this error originates in the macro `option_env_unwrap_external` (in Nightly builds, run with -Z macro-backtrace for more info) error: aborting due to 6 previous errors