error: unneeded sub `cfg` when there is only one condition
  --> $DIR/non_minimal_cfg.rs:3:7
   |
LL | #[cfg(all(windows))]
   |       ^^^^^^^^^^^^ help: try: `windows`
   |
   = note: `-D clippy::non-minimal-cfg` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::non_minimal_cfg)]`

error: unneeded sub `cfg` when there is only one condition
  --> $DIR/non_minimal_cfg.rs:6:7
   |
LL | #[cfg(any(windows))]
   |       ^^^^^^^^^^^^ help: try: `windows`

error: unneeded sub `cfg` when there is only one condition
  --> $DIR/non_minimal_cfg.rs:9:11
   |
LL | #[cfg(all(any(unix), all(not(windows))))]
   |           ^^^^^^^^^ help: try: `unix`

error: unneeded sub `cfg` when there is only one condition
  --> $DIR/non_minimal_cfg.rs:9:22
   |
LL | #[cfg(all(any(unix), all(not(windows))))]
   |                      ^^^^^^^^^^^^^^^^^ help: try: `not(windows)`

error: aborting due to 4 previous errors