Stabilize IsTerminal

closes: https://github.com/rust-lang/rust/issues/98070

compiler/rustc_driver_impl/src/lib.rs

@@ -5,7 +5,6 @@
 //! This API is completely unstable and subject to change.
 
 #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
-#![feature(is_terminal)]
 #![feature(lazy_cell)]
 #![feature(decl_macro)]
 #![recursion_limit = "256"]

compiler/rustc_errors/src/lib.rs

@@ -6,7 +6,6 @@
 #![feature(array_windows)]
 #![feature(drain_filter)]
 #![feature(if_let_guard)]
-#![feature(is_terminal)]
 #![feature(adt_const_params)]
 #![feature(let_chains)]
 #![feature(never_type)]

compiler/rustc_log/src/lib.rs

@@ -40,7 +40,6 @@
 
 #![deny(rustc::untranslatable_diagnostic)]
 #![deny(rustc::diagnostic_outside_of_impl)]
-#![feature(is_terminal)]
 
 use std::env::{self, VarError};
 use std::fmt::{self, Display};

library/std/src/io/mod.rs

@@ -268,7 +268,7 @@ pub(crate) use self::stdio::attempt_print_to_stderr;
 #[unstable(feature = "internal_output_capture", issue = "none")]
 #[doc(no_inline, hidden)]
 pub use self::stdio::set_output_capture;
-#[unstable(feature = "is_terminal", issue = "98070")]
+#[stable(feature = "is_terminal", since = "CURRENT_RUSTC_VERSION")]
 pub use self::stdio::IsTerminal;
 #[unstable(feature = "print_internals", issue = "none")]
 pub use self::stdio::{_eprint, _print};

library/std/src/io/stdio.rs

@@ -1047,7 +1047,7 @@ pub(crate) fn attempt_print_to_stderr(args: fmt::Arguments<'_>) {
 }
 
 /// Trait to determine if a descriptor/handle refers to a terminal/tty.
-#[unstable(feature = "is_terminal", issue = "98070")]
+#[stable(feature = "is_terminal", since = "CURRENT_RUSTC_VERSION")]
 pub trait IsTerminal: crate::sealed::Sealed {
     /// Returns `true` if the descriptor/handle refers to a terminal/tty.
     ///
@@ -1063,6 +1063,7 @@ pub trait IsTerminal: crate::sealed::Sealed {
     /// Note that this [may change in the future][changes].
     ///
     /// [changes]: io#platform-specific-behavior
+    #[stable(feature = "is_terminal", since = "CURRENT_RUSTC_VERSION")]
     fn is_terminal(&self) -> bool;
 }
 
@@ -1071,7 +1072,7 @@ macro_rules! impl_is_terminal {
         #[unstable(feature = "sealed", issue = "none")]
         impl crate::sealed::Sealed for $t {}
 
-        #[unstable(feature = "is_terminal", issue = "98070")]
+        #[stable(feature = "is_terminal", since = "CURRENT_RUSTC_VERSION")]
         impl IsTerminal for $t {
             #[inline]
             fn is_terminal(&self) -> bool {

library/std/src/lib.rs

@@ -254,7 +254,6 @@
 #![feature(exhaustive_patterns)]
 #![feature(if_let_guard)]
 #![feature(intra_doc_pointers)]
-#![feature(is_terminal)]
 #![feature(lang_items)]
 #![feature(let_chains)]
 #![feature(linkage)]

library/std/src/os/fd/owned.rs

@@ -201,7 +201,7 @@ macro_rules! impl_is_terminal {
         #[unstable(feature = "sealed", issue = "none")]
         impl crate::sealed::Sealed for $t {}
 
-        #[unstable(feature = "is_terminal", issue = "98070")]
+        #[stable(feature = "is_terminal", since = "CURRENT_RUSTC_VERSION")]
         impl crate::io::IsTerminal for $t {
             #[inline]
             fn is_terminal(&self) -> bool {

library/std/src/os/windows/io/handle.rs

@@ -389,7 +389,7 @@ macro_rules! impl_is_terminal {
         #[unstable(feature = "sealed", issue = "none")]
         impl crate::sealed::Sealed for $t {}
 
-        #[unstable(feature = "is_terminal", issue = "98070")]
+        #[stable(feature = "is_terminal", since = "CURRENT_RUSTC_VERSION")]
         impl crate::io::IsTerminal for $t {
             #[inline]
             fn is_terminal(&self) -> bool {

library/test/src/lib.rs

@@ -17,7 +17,6 @@
 #![unstable(feature = "test", issue = "50297")]
 #![doc(test(attr(deny(warnings))))]
 #![feature(internal_output_capture)]
-#![feature(is_terminal)]
 #![feature(staged_api)]
 #![feature(process_exitcode_internals)]
 #![feature(panic_can_unwind)]

src/librustdoc/lib.rs

@@ -7,7 +7,6 @@
 #![feature(assert_matches)]
 #![feature(box_patterns)]
 #![feature(drain_filter)]
-#![feature(is_terminal)]
 #![feature(let_chains)]
 #![feature(test)]
 #![feature(never_type)]

src/tools/miri/src/lib.rs

@@ -7,7 +7,6 @@
 #![feature(yeet_expr)]
 #![feature(nonzero_ops)]
 #![feature(local_key_cell_methods)]
-#![feature(is_terminal)]
 #![feature(round_ties_even)]
 // Configure clippy and other lints
 #![allow(

src/tools/miri/tests/pass/shims/fs.rs

@@ -3,7 +3,6 @@
 
 #![feature(io_error_more)]
 #![feature(io_error_uncategorized)]
-#![feature(is_terminal)]
 
 use std::collections::HashMap;
 use std::ffi::{c_char, OsString};

src/tools/miri/tests/pass/shims/io.rs

@@ -1,5 +1,3 @@
-#![feature(is_terminal)]
-
 use std::io::IsTerminal;
 
 fn main() {