diff --git a/mordant-baseline.toml b/mordant-baseline.toml
index 3f7bd7362d8c..28111e5bf22d 100644
--- a/mordant-baseline.toml
+++ b/mordant-baseline.toml
@@ -1,5 +1,3 @@
-[bun_ast]
-
 [bun_bundler]
 "defaulted_failure:src/bundler/bundle_v2.rs" = 2
 "narrowed_two_ways:src/bundler/bundle_v2.rs" = 1
@@ -31,7 +29,6 @@
 "defaulted_failure:src/runtime/server/RequestContext.rs" = 1
 "defaulted_failure:src/runtime/test_runner/pretty_format.rs" = 4
 "error_collapsed_to_bool:src/runtime/api/bun/Terminal.rs" = 1
-"error_collapsed_to_bool:src/runtime/api/bun/h2_frame_parser.rs" = 32
 "error_collapsed_to_bool:src/runtime/ffi/ffi_body.rs" = 1
 "field_valid_only_when:src/runtime/shell/builtin/rm.rs" = 1
 "reimplemented_helper:src/runtime/api/bun/Terminal.rs" = 1
@@ -44,7 +41,5 @@
 "unchecked_construction:src/runtime/server/HTMLBundle.rs" = 2
 "unchecked_construction:src/runtime/server/server_body.rs" = 5
 
-[bun_sql_jsc]
-
 [bun_sys]
 "error_collapsed_to_bool:src/sys/lib.rs" = 4
diff --git a/src/runtime/api/bun/h2_frame_parser.rs b/src/runtime/api/bun/h2_frame_parser.rs
index 3946d78284ee..4d01e53c1789 100644
--- a/src/runtime/api/bun/h2_frame_parser.rs
+++ b/src/runtime/api/bun/h2_frame_parser.rs
@@ -294,13 +294,13 @@ impl UInt31WithReserved {
         self.0
     }
     #[inline]
-    fn write(self, writer: &mut impl WireWriter) -> bool {
+    fn write(self, writer: &mut impl WireWriter) -> bun_io::Result<()> {
         let mut value: u32 = self.uint31();
         if self.reserved() {
             value |= 0x8000_0000;
         }
         value = value.swap_bytes();
-        writer.write_all(&value.to_ne_bytes()).is_ok()
+        writer.write_all(&value.to_ne_bytes())
     }
 }
 
@@ -320,10 +320,10 @@ const _: () = assert!(core::mem::size_of::<StreamPriority>() == StreamPriority::
 impl StreamPriority {
     pub(crate) const BYTE_SIZE: usize = 5;
     #[inline]
-    fn write(self, writer: &mut impl WireWriter) -> bool {
+    fn write(self, writer: &mut impl WireWriter) -> bun_io::Result<()> {
         let mut swap = self;
         swap.stream_identifier = swap.stream_identifier.swap_bytes();
-        writer.write_all(bytemuck::bytes_of(&swap)).is_ok()
+        writer.write_all(bytemuck::bytes_of(&swap))
     }
 }
 
@@ -350,7 +350,7 @@ impl Default for FrameHeader {
 impl FrameHeader {
     pub const BYTE_SIZE: usize = 9;
     #[inline]
-    fn write(&self, writer: &mut impl WireWriter, frames_sent: &Cell<u64>) -> bool {
+    fn write(&self, writer: &mut impl WireWriter, frames_sent: &Cell<u64>) -> bun_io::Result<()> {
         frames_sent.set(frames_sent.get() + 1);
         let mut buf = [0u8; Self::BYTE_SIZE];
         buf[0] = ((self.length >> 16) & 0xFF) as u8;
@@ -359,7 +359,7 @@ impl FrameHeader {
         buf[3] = self.type_;
         buf[4] = self.flags;
         buf[5..9].copy_from_slice(&self.stream_identifier.to_be_bytes());
-        writer.write_all(&buf).is_ok()
+        writer.write_all(&buf)
     }
     /// Decode a complete 9-byte big-endian frame header.
     ///
@@ -1427,7 +1427,9 @@ impl Stream {
                     length: 0,
                 };
                 owned_frame = Some(frame);
-                break 'brk data_header.write(&mut writer, &client.frames_sent_legacy);
+                break 'brk data_header
+                    .write(&mut writer, &client.frames_sent_legacy)
+                    .is_ok();
             } else {
                 let max_size = frame_remaining
                     .min(