chore: bump rust version

Cargo.toml

@@ -16,6 +16,7 @@ unexpected_cfgs = { level = "warn", check-cfg = ['cfg(coverage)', 'cfg(coverage_
 tail_expr_drop_order = "warn"
 unsafe_op_in_unsafe_fn = "warn"
 unused_unsafe = "warn"
+long_running_const_eval = "allow"
 
 [workspace.lints.clippy]
 all = { level = "warn", priority = -1 }

crates/fspy/Cargo.toml

@@ -60,3 +60,6 @@ anyhow = { workspace = true }
 flate2 = { workspace = true }
 tar = { workspace = true }
 xxhash-rust = { workspace = true, features = ["xxh3"] }
+
+[lints]
+workspace = true

crates/fspy/src/unix/syscall_handler/mod.rs

@@ -16,7 +16,6 @@ use fspy_seccomp_unotify::{
     supervisor::handler::arg::{CStrPtr, Caller, Fd},
 };
 use fspy_shared::ipc::{AccessMode, NativeStr, PathAccess};
-use nix::NixPath;
 
 use crate::arena::PathAccessArena;
 
@@ -53,7 +52,7 @@ impl SyscallHandler {
         let mut path = Cow::Borrowed(Path::new(OsStr::from_bytes(&self.path_read_buf[..path_len])));
         if !path.is_absolute() {
             let mut resolved_path = PathBuf::from(dir_fd.get_path(caller)?);
-            if !path.is_empty() {
+            if !nix::NixPath::is_empty(path.as_ref()) {
                 resolved_path.push(&path);
             }
             path = Cow::Owned(resolved_path);

crates/fspy_e2e/Cargo.toml

@@ -9,3 +9,6 @@ fspy = { workspace = true }
 serde = { workspace = true, features = ["derive"] }
 tokio = { workspace = true, features = ["full"] }
 toml = { workspace = true }
+
+[lints]
+workspace = true

crates/fspy_preload_unix/Cargo.toml

@@ -15,3 +15,6 @@ fspy_shared = { workspace = true }
 fspy_shared_unix = { workspace = true }
 libc = { workspace = true }
 nix = { workspace = true, features = ["signal", "fs", "socket", "mman", "time"] }
+
+[lints]
+workspace = true

crates/fspy_preload_unix/src/interceptions/spawn/exec/with_argv.rs

@@ -1,5 +1,5 @@
 use std::{
-    ffi::VaListImpl,
+    ffi::VaList,
     mem::{self, MaybeUninit, transmute},
     slice,
 };
@@ -9,19 +9,19 @@ use nix::Error;
 
 // https://github.com/redox-os/relibc/blob/710911febb07a43716a6236cc9e5b864e227e36e/src/header/unistd/mod.rs#L1094
 pub unsafe fn with_argv(
-    mut va: VaListImpl,
+    mut va: VaList,
     arg0: *const c_char,
-    f: impl FnOnce(&[*const c_char], VaListImpl) -> c_int,
+    f: impl FnOnce(&[*const c_char], VaList) -> c_int,
 ) -> c_int {
-    let argc = 1 + unsafe {
-        va.with_copy(|mut copy| {
-            core::iter::from_fn(|| Some(copy.arg::<*const c_char>()))
-                .position(|s| {
-                    // Find the NULL terminator
-                    s.is_null()
-                })
-                .unwrap()
-        })
+    let argc = 1 + {
+        let mut va = va.clone();
+        // Safety: argv is guaranteed to be NULL-terminated
+        core::iter::from_fn(|| Some(unsafe { va.arg::<*const c_char>() }))
+            .position(|s| {
+                // Find the NULL terminator
+                s.is_null()
+            })
+            .unwrap()
     };
 
     let mut stack: [MaybeUninit<*const c_char>; 32] = [MaybeUninit::uninit(); 32];

crates/fspy_preload_windows/Cargo.toml

@@ -19,3 +19,6 @@ winsafe = { workspace = true }
 
 [target.'cfg(target_os = "windows")'.dev-dependencies]
 tempfile = { workspace = true }
+
+[lints]
+workspace = true

crates/fspy_seccomp_unotify/Cargo.toml

@@ -26,3 +26,6 @@ tokio = { workspace = true, features = ["macros", "time"] }
 [features]
 supervisor = ["dep:passfd", "passfd/async"]
 target = ["dep:passfd"]
+
+[lints]
+workspace = true

crates/fspy_shared/Cargo.toml

@@ -25,3 +25,6 @@ assert2 = { workspace = true }
 ctor = { workspace = true }
 fspy_test_utils = { workspace = true }
 shared_memory = { workspace = true, features = ["logging"] }
+
+[lints]
+workspace = true

crates/fspy_shared_unix/Cargo.toml

@@ -22,3 +22,6 @@ memmap2 = { workspace = true }
 
 [target.'cfg(target_os = "macos")'.dependencies]
 phf = { workspace = true }
+
+[lints]
+workspace = true

crates/vite_glob/Cargo.toml

@@ -13,3 +13,6 @@ wax = { workspace = true }
 
 [dev-dependencies]
 vite_str = { workspace = true }
+
+[lints]
+workspace = true

rust-toolchain.toml

@@ -2,5 +2,5 @@
 # Needed nightly features:
 # - cargo `Z-bindeps` to build and embed preload shared libraries as dependencies of fspy
 # - `windows_process_extensions_main_thread_handle` to get the main thread handle for Detours injection
-channel = "nightly-2025-10-31"
+channel = "nightly-2025-12-11"
 profile = "default"