error[E0133]: call to unsafe function `std::env::set_var` is unsafe and requires unsafe block
  --> $DIR/unsafe-env.rs:10:5
   |
LL |     env::set_var("FOO", "BAR");
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
   |
   = note: for more information, see issue #71668 <https://github.com/rust-lang/rust/issues/71668>
   = note: consult the function's documentation for information on how to avoid undefined behavior
note: an unsafe function restricts its caller, but its body is safe by default
  --> $DIR/unsafe-env.rs:9:1
   |
LL | unsafe fn unsafe_fn() {
   | ^^^^^^^^^^^^^^^^^^^^^
note: the lint level is defined here
  --> $DIR/unsafe-env.rs:8:8
   |
LL | #[deny(unsafe_op_in_unsafe_fn)]
   |        ^^^^^^^^^^^^^^^^^^^^^^

error[E0133]: call to unsafe function `std::env::remove_var` is unsafe and requires unsafe block
  --> $DIR/unsafe-env.rs:12:5
   |
LL |     env::remove_var("FOO");
   |     ^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
   |
   = note: for more information, see issue #71668 <https://github.com/rust-lang/rust/issues/71668>
   = note: consult the function's documentation for information on how to avoid undefined behavior

error[E0133]: call to unsafe function `unsafe_fn` is unsafe and requires unsafe block
  --> $DIR/unsafe-env.rs:15:9
   |
LL |         unsafe_fn();
   |         ^^^^^^^^^^^ call to unsafe function
   |
   = note: for more information, see issue #71668 <https://github.com/rust-lang/rust/issues/71668>
   = note: consult the function's documentation for information on how to avoid undefined behavior

error[E0133]: call to unsafe function `set_var` is unsafe and requires unsafe block
  --> $DIR/unsafe-env.rs:23:5
   |
LL |     env::set_var("FOO", "BAR");
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
   |
   = note: consult the function's documentation for information on how to avoid undefined behavior

error[E0133]: call to unsafe function `remove_var` is unsafe and requires unsafe block
  --> $DIR/unsafe-env.rs:25:5
   |
LL |     env::remove_var("FOO");
   |     ^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
   |
   = note: consult the function's documentation for information on how to avoid undefined behavior

error[E0133]: call to unsafe function `unsafe_fn` is unsafe and requires unsafe block
  --> $DIR/unsafe-env.rs:33:5
   |
LL |     unsafe_fn();
   |     ^^^^^^^^^^^ call to unsafe function
   |
   = note: consult the function's documentation for information on how to avoid undefined behavior

error: unnecessary `unsafe` block
  --> $DIR/unsafe-env.rs:36:5
   |
LL |     unsafe {
   |     ^^^^^^ unnecessary `unsafe` block
   |
note: the lint level is defined here
  --> $DIR/unsafe-env.rs:21:8
   |
LL | #[deny(unused_unsafe)]
   |        ^^^^^^^^^^^^^

error: aborting due to 7 previous errors

For more information about this error, try `rustc --explain E0133`.