Bump rust toolchain

.cargo/config.toml

@@ -5,3 +5,6 @@ xtask = "run --manifest-path=crates/xtask/Cargo.toml --"
 
 [build]
 target-dir = "target"
+
+[unstable]
+panic-immediate-abort = true

crates/api/CHANGELOG.md

@@ -128,4 +128,4 @@
 
 ## 0.1.0
 
-<!-- Increment to skip CHANGELOG.md test: 0 -->
+<!-- Increment to skip CHANGELOG.md test: 1 -->

crates/api/src/lib.rs

@@ -19,7 +19,7 @@
 #![no_std]
 #![cfg_attr(all(feature = "wasm", feature = "native"), feature(linkage))]
 #![cfg_attr(feature = "host", feature(never_type))]
-#![feature(doc_auto_cfg)]
+#![feature(doc_cfg)]
 
 extern crate alloc;
 

crates/board/CHANGELOG.md

@@ -211,4 +211,4 @@
 
 ## 0.1.0
 
-<!-- Increment to skip CHANGELOG.md test: 1 -->
+<!-- Increment to skip CHANGELOG.md test: 2 -->

crates/board/src/lib.rs

@@ -18,7 +18,7 @@
 //! support triggering [events][Event].
 
 #![no_std]
-#![feature(doc_auto_cfg)]
+#![feature(doc_cfg)]
 #![feature(never_type)]
 
 extern crate alloc;

crates/cli-tools/CHANGELOG.md

@@ -4,6 +4,7 @@
 
 ### Minor
 
+- Use the `immediate-abort` panic strategy instead of `build-std-features`
 - Test in `changelog::execute_ci()` that skip counter is zero for releases
 
 ### Patch

crates/cli-tools/src/action.rs

@@ -714,11 +714,10 @@ impl RustAppletBuild {
             cargo.arg("-Zbuild-std=core,alloc");
             // TODO(https://github.com/rust-lang/rust/issues/122105): Remove when fixed.
             rustflags.push("--allow=unused-crate-dependencies".to_string());
-            let mut features = "-Zbuild-std-features=panic_immediate_abort".to_string();
             if self.opt_level.is_some_and(OptLevel::optimize_for_size) {
-                features.push_str(",optimize_for_size");
+                cargo.arg("-Zbuild-std-features=optimize_for_size");
             }
-            cargo.arg(features);
+            cargo.arg(format!("--config=profile.{profile}.panic=\"immediate-abort\""));
         } else {
             cargo.env("WASEFIRE_DEBUG", "");
         }

crates/cli-tools/src/lib.rs

@@ -17,9 +17,8 @@
 //! This library is also used for the internal maintenance CLI of Wasefire called xtask.
 
 #![feature(async_fn_track_caller)]
-#![feature(doc_auto_cfg)]
+#![feature(doc_cfg)]
 #![feature(never_type)]
-#![feature(path_add_extension)]
 #![feature(try_blocks)]
 #![feature(try_find)]
 

crates/prelude/CHANGELOG.md

@@ -215,4 +215,4 @@
 
 ## 0.1.0
 
-<!-- Increment to skip CHANGELOG.md test: 1 -->
+<!-- Increment to skip CHANGELOG.md test: 2 -->

crates/prelude/src/lib.rs

@@ -28,7 +28,7 @@
 
 #![no_std]
 #![feature(alloc_error_handler)]
-#![feature(doc_auto_cfg)]
+#![feature(doc_cfg)]
 #![feature(macro_metavar_expr)]
 #![feature(maybe_uninit_array_assume_init)]
 #![feature(negative_impls)]

crates/protocol/CHANGELOG.md

@@ -56,4 +56,4 @@
 
 ## 0.1.0
 
-<!-- Increment to skip CHANGELOG.md test: 1 -->
+<!-- Increment to skip CHANGELOG.md test: 2 -->

crates/protocol/src/lib.rs

@@ -27,7 +27,7 @@
 //! and cancel the request it was processing if any.
 
 #![no_std]
-#![feature(doc_auto_cfg)]
+#![feature(doc_cfg)]
 #![feature(macro_metavar_expr)]
 #![feature(never_type)]
 

crates/wire/CHANGELOG.md

@@ -32,4 +32,4 @@
 
 ## 0.1.0
 
-<!-- Increment to skip CHANGELOG.md test: 1 -->
+<!-- Increment to skip CHANGELOG.md test: 2 -->

crates/wire/src/lib.rs

@@ -36,7 +36,7 @@
 
 #![no_std]
 #![feature(array_try_from_fn)]
-#![feature(doc_auto_cfg)]
+#![feature(doc_cfg)]
 #![feature(never_type)]
 #![feature(try_blocks)]
 

crates/xtask/src/main.rs

@@ -736,13 +736,12 @@ impl RunnerOptions {
                 cargo.arg("-Zbuild-std=core,alloc");
                 // TODO(https://github.com/rust-lang/rust/issues/122105): Remove when fixed.
                 rustflags.push("--allow=unused-crate-dependencies".to_string());
-                let mut features = "-Zbuild-std-features=panic_immediate_abort".to_string();
                 if self.opt_level.is_some_and(action::OptLevel::optimize_for_size) {
-                    features.push_str(",optimize_for_size");
+                    cargo.arg("-Zbuild-std-features=optimize_for_size");
                 }
-                cargo.arg(features);
                 cargo.arg("--config=profile.release.codegen-units=1");
                 cargo.arg("--config=profile.release.lto=true");
+                cargo.arg("--config=profile.release.panic=\"immediate-abort\"");
             } else {
                 cargo.arg("--config=profile.release.debug=2");
                 rustflags.push("-C link-arg=-Tdefmt.x".to_string());
@@ -930,7 +929,7 @@ impl RunnerOptions {
             if self.single_sided {
                 cargo.arg("--features=single-sided");
             }
-            cargo.args(["-Zbuild-std=core", "-Zbuild-std-features=panic_immediate_abort"]);
+            cargo.args(["-Zbuild-std=core", "--config=profile.release.panic=\"immediate-abort\""]);
             // TODO(https://github.com/rust-lang/rust/issues/122105): Remove when fixed.
             cargo.env("RUSTFLAGS", "--allow=unused-crate-dependencies");
             cmd::execute(&mut cargo).await?;

rust-toolchain.toml

@@ -1,5 +1,5 @@
 [toolchain]
-channel = "nightly-2025-09-02"
+channel = "nightly-2025-10-07"
 components = ["clippy", "llvm-tools", "miri", "rust-src", "rustfmt"]
 targets = [
   "i686-unknown-linux-gnu",