Update Magnus to v0.8.2 (#510)

Author: jeffcharles

Cargo.lock

@@ -20,7 +20,7 @@ winch = ["wasmtime/winch"]
 async-trait = "*" # Needed for `OutputLimitedBuffer`. Use wasmtime's version.
 bytes = "*" # Needed for `OutputLimitedBuffer`. Use wasmtime's version.
 lazy_static = "1.5.0"
-magnus = { version = "0.7", features = ["rb-sys"] }
+magnus = { version = "0.8", features = ["old-api", "rb-sys"] }
 rb-sys = { version = "*", default-features = false, features = [
   "stable-api-compiled-fallback",
 ] }

ext/Cargo.toml

@@ -201,9 +201,13 @@ pub(crate) fn rb_to_component_val(
                 .find(|case| case.name == name.as_str())
                 .ok_or_else(|| {
                     error!(
-                        "invalid variant case \"{}\", valid cases: {:?}",
+                        "invalid variant case \"{}\", valid cases: [{}]",
                         name,
-                        RArray::from_iter(variant.cases().map(|c| c.name))
+                        variant
+                            .cases()
+                            .map(|c| format!("\"{}\"", c.name))
+                            .collect::<Vec<_>>()
+                            .join(", ")
                     )
                 })?;
 

ext/src/ruby_api/component/convert.rs

@@ -85,7 +85,7 @@ def call_func(name, *args)
           ["s64", "1", TypeError, /conversion of String into Integer/],
           ["s64", 2**64, RangeError, /too big/],
           ["string", 1, TypeError, /conversion of Integer into String/],
-          ["string", "\xFF\xFF", EncodingError, /invalid utf-8 sequence/],
+          ["string", "\xFF\xFF", EncodingError, /invalid byte sequence in UTF-8/],
           ["char", "ab", TypeError, /too many characters in string/],
           ["list", nil, /no implicit conversion of NilClass into Array/],
           ["record", {"x" => 1}, /struct field missing: y/],