diff --git a/library/std/src/io/error.rs b/library/std/src/io/error.rs
index 56e6f08268ca3..65887fa74e207 100644
--- a/library/std/src/io/error.rs
+++ b/library/std/src/io/error.rs
@@ -191,6 +191,10 @@ pub enum ErrorKind {
     /// to allocate enough memory.
     #[stable(feature = "out_of_memory_error", since = "1.54.0")]
     OutOfMemory,
+
+    /// The operation failed because a directory is not empty.
+    #[stable(feature = "dir_not_empty_error", since = "1.55.0")]
+    DirNotEmpty,
 }
 
 impl ErrorKind {
@@ -216,6 +220,7 @@ impl ErrorKind {
             ErrorKind::UnexpectedEof => "unexpected end of file",
             ErrorKind::Unsupported => "unsupported",
             ErrorKind::OutOfMemory => "out of memory",
+            ErrorKind::DirNotEmpty => "directory not empty",
         }
     }
 }
diff --git a/library/std/src/sys/unix/mod.rs b/library/std/src/sys/unix/mod.rs
index ca9cc8ca7ba39..f514024191758 100644
--- a/library/std/src/sys/unix/mod.rs
+++ b/library/std/src/sys/unix/mod.rs
@@ -149,6 +149,7 @@ pub fn decode_error_kind(errno: i32) -> ErrorKind {
         libc::EEXIST => ErrorKind::AlreadyExists,
         libc::ENOSYS => ErrorKind::Unsupported,
         libc::ENOMEM => ErrorKind::OutOfMemory,
+        libc::ENOTEMPTY => ErrorKind::DirNotEmpty,
 
         // These two constants can have the same value on some systems,
         // but different values on others, so we can't use a match
diff --git a/library/std/src/sys/wasi/mod.rs b/library/std/src/sys/wasi/mod.rs
index 45a829c0cd212..bfb3f2810f05f 100644
--- a/library/std/src/sys/wasi/mod.rs
+++ b/library/std/src/sys/wasi/mod.rs
@@ -77,6 +77,7 @@ pub fn decode_error_kind(errno: i32) -> std_io::ErrorKind {
         wasi::ERRNO_AGAIN => WouldBlock,
         wasi::ERRNO_NOSYS => Unsupported,
         wasi::ERRNO_NOMEM => OutOfMemory,
+        wasi::ERRNO_ENOTEMPTY => DirNotEmpty,
         _ => Other,
     }
 }
diff --git a/library/std/src/sys/windows/c.rs b/library/std/src/sys/windows/c.rs
index 193c28c7673d7..eed33d8d3b61d 100644
--- a/library/std/src/sys/windows/c.rs
+++ b/library/std/src/sys/windows/c.rs
@@ -183,6 +183,7 @@ pub const ERROR_BROKEN_PIPE: DWORD = 109;
 pub const ERROR_CALL_NOT_IMPLEMENTED: DWORD = 120;
 pub const ERROR_SEM_TIMEOUT: DWORD = 121;
 pub const ERROR_INSUFFICIENT_BUFFER: DWORD = 122;
+pub const ERROR_DIR_NOT_EMPTY: DWORD = 145;
 pub const ERROR_ALREADY_EXISTS: DWORD = 183;
 pub const ERROR_ENVVAR_NOT_FOUND: DWORD = 203;
 pub const ERROR_NO_DATA: DWORD = 232;
diff --git a/library/std/src/sys/windows/mod.rs b/library/std/src/sys/windows/mod.rs
index f23e874f24905..4b220293ec116 100644
--- a/library/std/src/sys/windows/mod.rs
+++ b/library/std/src/sys/windows/mod.rs
@@ -71,6 +71,7 @@ pub fn decode_error_kind(errno: i32) -> ErrorKind {
         c::ERROR_NO_DATA => return ErrorKind::BrokenPipe,
         c::ERROR_INVALID_PARAMETER => return ErrorKind::InvalidInput,
         c::ERROR_NOT_ENOUGH_MEMORY | c::ERROR_OUTOFMEMORY => return ErrorKind::OutOfMemory,
+        c::ERROR_DIR_NOT_EMPTY => return ErrorKind::DirNotEmpty,
         c::ERROR_SEM_TIMEOUT
         | c::WAIT_TIMEOUT
         | c::ERROR_DRIVER_CANCEL_TIMEOUT
diff --git a/src/tools/clippy/tests/ui/wildcard_enum_match_arm.fixed b/src/tools/clippy/tests/ui/wildcard_enum_match_arm.fixed
index 5ad27bb14501f..5d1ccc998648c 100644
--- a/src/tools/clippy/tests/ui/wildcard_enum_match_arm.fixed
+++ b/src/tools/clippy/tests/ui/wildcard_enum_match_arm.fixed
@@ -77,7 +77,7 @@ fn main() {
     let error_kind = ErrorKind::NotFound;
     match error_kind {
         ErrorKind::NotFound => {},
-        ErrorKind::PermissionDenied | ErrorKind::ConnectionRefused | ErrorKind::ConnectionReset | ErrorKind::ConnectionAborted | ErrorKind::NotConnected | ErrorKind::AddrInUse | ErrorKind::AddrNotAvailable | ErrorKind::BrokenPipe | ErrorKind::AlreadyExists | ErrorKind::WouldBlock | ErrorKind::InvalidInput | ErrorKind::InvalidData | ErrorKind::TimedOut | ErrorKind::WriteZero | ErrorKind::Interrupted | ErrorKind::Other | ErrorKind::UnexpectedEof | ErrorKind::Unsupported | ErrorKind::OutOfMemory | _ => {},
+        ErrorKind::PermissionDenied | ErrorKind::ConnectionRefused | ErrorKind::ConnectionReset | ErrorKind::ConnectionAborted | ErrorKind::NotConnected | ErrorKind::AddrInUse | ErrorKind::AddrNotAvailable | ErrorKind::BrokenPipe | ErrorKind::AlreadyExists | ErrorKind::WouldBlock | ErrorKind::InvalidInput | ErrorKind::InvalidData | ErrorKind::TimedOut | ErrorKind::WriteZero | ErrorKind::Interrupted | ErrorKind::Other | ErrorKind::UnexpectedEof | ErrorKind::Unsupported | ErrorKind::OutOfMemory | ErrorKind::DirNotEmpty | _ => {},
     }
     match error_kind {
         ErrorKind::NotFound => {},
@@ -100,6 +100,7 @@ fn main() {
         ErrorKind::UnexpectedEof => {},
         ErrorKind::Unsupported => {},
         ErrorKind::OutOfMemory => {},
+        ErrorKind::DirNotEmpty => {},
         _ => {},
     }
 }
diff --git a/src/tools/clippy/tests/ui/wildcard_enum_match_arm.rs b/src/tools/clippy/tests/ui/wildcard_enum_match_arm.rs
index adca0738bba5b..f52fd645ed06e 100644
--- a/src/tools/clippy/tests/ui/wildcard_enum_match_arm.rs
+++ b/src/tools/clippy/tests/ui/wildcard_enum_match_arm.rs
@@ -100,6 +100,7 @@ fn main() {
         ErrorKind::UnexpectedEof => {},
         ErrorKind::Unsupported => {},
         ErrorKind::OutOfMemory => {},
+        ErrorKind::DirNotEmpty => {},
         _ => {},
     }
 }
diff --git a/src/tools/clippy/tests/ui/wildcard_enum_match_arm.stderr b/src/tools/clippy/tests/ui/wildcard_enum_match_arm.stderr
index 73f6a4a80c960..c17b70ba9c3e9 100644
--- a/src/tools/clippy/tests/ui/wildcard_enum_match_arm.stderr
+++ b/src/tools/clippy/tests/ui/wildcard_enum_match_arm.stderr
@@ -32,7 +32,7 @@ error: wildcard matches known variants and will also match future added variants
   --> $DIR/wildcard_enum_match_arm.rs:80:9
    |
 LL |         _ => {},
-   |         ^ help: try this: `ErrorKind::PermissionDenied | ErrorKind::ConnectionRefused | ErrorKind::ConnectionReset | ErrorKind::ConnectionAborted | ErrorKind::NotConnected | ErrorKind::AddrInUse | ErrorKind::AddrNotAvailable | ErrorKind::BrokenPipe | ErrorKind::AlreadyExists | ErrorKind::WouldBlock | ErrorKind::InvalidInput | ErrorKind::InvalidData | ErrorKind::TimedOut | ErrorKind::WriteZero | ErrorKind::Interrupted | ErrorKind::Other | ErrorKind::UnexpectedEof | ErrorKind::Unsupported | ErrorKind::OutOfMemory | _`
+   |         ^ help: try this: `ErrorKind::PermissionDenied | ErrorKind::ConnectionRefused | ErrorKind::ConnectionReset | ErrorKind::ConnectionAborted | ErrorKind::NotConnected | ErrorKind::AddrInUse | ErrorKind::AddrNotAvailable | ErrorKind::BrokenPipe | ErrorKind::AlreadyExists | ErrorKind::WouldBlock | ErrorKind::InvalidInput | ErrorKind::InvalidData | ErrorKind::TimedOut | ErrorKind::WriteZero | ErrorKind::Interrupted | ErrorKind::Other | ErrorKind::UnexpectedEof | ErrorKind::Unsupported | ErrorKind::OutOfMemory | ErrorKind::DirNotEmpty | _`
 
 error: aborting due to 5 previous errors