wasmtime-cli, obj, debug: upgrade to faerie 0.15

eliminating the faerie 0.14 dep

crates/debug/Cargo.toml

@@ -14,7 +14,7 @@ edition = "2018"
 [dependencies]
 gimli = "0.20.0"
 wasmparser = "0.51.2"
-faerie = "0.14.0"
+faerie = "0.15.0"
 wasmtime-environ = { path = "../environ", version = "0.12.0" }
 target-lexicon = { version = "0.10.0", default-features = false }
 anyhow = "1.0"

crates/debug/src/write_debuginfo.rs

@@ -35,7 +35,8 @@ pub fn emit_dwarf(
             id.name(),
             Decl::section(SectionKind::Debug),
             s.writer.take(),
-        )
+        )?;
+        Ok(())
     })?;
     sections.for_each_mut(|id, s| -> anyhow::Result<()> {
         for reloc in &s.relocs {