rustup: update to nightly-2025-06-30.

- `filter_landing_pad` no longer has a return value.
- `build_session` no longer has the `sysroot` argument.

Author: nnethercote

crates/rustc_codegen_spirv/build.rs

@@ -18,9 +18,9 @@ use std::{env, fs, mem};
 /// `cargo publish`. We need to figure out a way to do this properly, but let's hardcode it for now :/
 //const REQUIRED_RUST_TOOLCHAIN: &str = include_str!("../../rust-toolchain.toml");
 const REQUIRED_RUST_TOOLCHAIN: &str = r#"[toolchain]
-channel = "nightly-2025-06-23"
+channel = "nightly-2025-06-30"
 components = ["rust-src", "rustc-dev", "llvm-tools"]
-# commit_hash = be19eda0dc4c22c5cf5f1b48fd163acf9bd4b0a6"#;
+# commit_hash = 35f6036521777bdc0dcea1f980be4c192962a168"#;
 
 fn rustc_output(arg: &str) -> Result<String, Box<dyn Error>> {
     let rustc = env::var("RUSTC").unwrap_or_else(|_| "rustc".into());

crates/rustc_codegen_spirv/src/builder/builder_methods.rs

@@ -3035,7 +3035,7 @@ impl<'a, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'tcx> {
         todo!()
     }
 
-    fn filter_landing_pad(&mut self, _pers_fn: Self::Function) -> (Self::Value, Self::Value) {
+    fn filter_landing_pad(&mut self, _pers_fn: Self::Function) {
         todo!()
     }
 

crates/rustc_codegen_spirv/src/linker/test.rs

@@ -159,7 +159,6 @@ fn link_with_linker_opts(
                 Default::default(),
                 Default::default(),
                 target,
-                Default::default(),
                 rustc_interface::util::rustc_version_str().unwrap_or("unknown"),
                 Default::default(),
                 &rustc_driver_impl::USING_INTERNAL_FEATURES,

rust-toolchain.toml

@@ -1,7 +1,7 @@
 [toolchain]
-channel = "nightly-2025-06-23"
+channel = "nightly-2025-06-30"
 components = ["rust-src", "rustc-dev", "llvm-tools"]
-# commit_hash = be19eda0dc4c22c5cf5f1b48fd163acf9bd4b0a6
+# commit_hash = 35f6036521777bdc0dcea1f980be4c192962a168
 
 # Whenever changing the nightly channel, update the commit hash above, and
 # change `REQUIRED_RUST_TOOLCHAIN` in `crates/rustc_codegen_spirv/build.rs` too.