Bump rust-toolchain, fix compilation.

Author: gz

kernel/src/fs/file.rs

@@ -64,7 +64,7 @@ impl File {
                         len
                     }
                     // If file is filled till last buffer
-                    last_buffer_len => ((buffer_num - 1) * BASE_PAGE_SIZE + last_buffer_len),
+                    last_buffer_len => (buffer_num - 1) * BASE_PAGE_SIZE + last_buffer_len,
                 }
             }
         }

kernel/src/main.rs

@@ -22,15 +22,15 @@
     linkage,
     c_variadic,
     drain_filter,
+    let_chains,
     new_uninit,
     get_mut_unchecked,
-    const_ptr_offset_from,
     const_refs_to_cell,
     nonnull_slice_from_raw_parts,
     cell_update,
     thread_local,
-    generic_associated_types,
-    maybe_uninit_write_slice
+    maybe_uninit_write_slice,
+    alloc_error_handler
 )]
 
 extern crate alloc;

kernel/src/panic.rs

@@ -279,7 +279,7 @@ pub(crate) fn rust_eh_personality(
 
 #[cfg(target_os = "none")]
 #[no_mangle]
-#[cfg_attr(target_os = "none", lang = "oom")]
+#[alloc_error_handler]
 pub(crate) fn oom(layout: Layout) -> ! {
     sprintln!(
         "OOM: Unable to satisfy allocation request for size {} with alignment {}.",

lib/vibrio/src/rumprt/crt/mod.rs

@@ -89,7 +89,7 @@ const AT_STACKBASE: Elf64Word = 13;
 /// Store initial information about the process.
 ///
 /// (auxiliary table, command line arguments and environment arguments)
-#[repr(C, packed)]
+#[repr(C)]
 #[derive(Debug, Copy, Clone)]
 pub struct InitInfo {
     pub argv_dummy: *mut c_char,

rust-toolchain

@@ -1,4 +1,4 @@
 [toolchain]
-channel = "nightly-2022-07-21"
+channel = "nightly-2022-11-21"
 components = [ "rustfmt", "rustc-dev", "rust-src", "cargo", "clippy" ]
 profile = "default"