warning: unexpected `cfg` condition name: `target_oz`
  --> $DIR/well-known-names.rs:6:7
   |
LL | #[cfg(target_oz = "linux")]
   |       ^^^^^^^^^^^^^^^^^^^
   |
   = note: `#[warn(unexpected_cfgs)]` on by default
help: there is a config with a similar name and value
   |
LL | #[cfg(target_os = "linux")]
   |       ~~~~~~~~~

warning: unexpected `cfg` condition name: `features`
  --> $DIR/well-known-names.rs:13:7
   |
LL | #[cfg(features = "foo")]
   |       ^^^^^^^^^^^^^^^^
   |
   = help: expected names are: `debug_assertions`, `doc`, `doctest`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `sanitize`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `unix`, `windows`

warning: unexpected `cfg` condition name: `feature`
  --> $DIR/well-known-names.rs:17:7
   |
LL | #[cfg(feature = "foo")]
   |       ^^^^^^^^^^^^^^^

warning: unexpected `cfg` condition name: `uniw`
  --> $DIR/well-known-names.rs:21:7
   |
LL | #[cfg(uniw)]
   |       ^^^^ help: there is a config with a similar name: `unix`

warning: 4 warnings emitted