Use serde_json instead of rustc-serialize

Author: messense

Cargo.toml

@@ -19,8 +19,10 @@ diff = "0.1.10"
 filetime = "0.1"
 getopts = "0.2"
 log = "0.3"
-rustc-serialize = "0.3"
 tempdir = { version = "0.3", optional = true }
+serde = "1.0"
+serde_json = "1.0"
+serde_derive = "1.0"
 
 [target."cfg(unix)".dependencies]
 libc = "0.2"

src/json.rs

@@ -9,15 +9,15 @@
 // except according to those terms.
 
 use errors::{Error, ErrorKind};
-use rustc_serialize::json;
+use serde_json;
 use std::str::FromStr;
 use std::path::Path;
 use runtest::ProcRes;
 
 // These structs are a subset of the ones found in
 // `syntax::json`.
 
-#[derive(RustcEncodable, RustcDecodable)]
+#[derive(Serialize, Deserialize)]
 struct Diagnostic {
     message: String,
     code: Option<DiagnosticCode>,
@@ -27,7 +27,7 @@ struct Diagnostic {
     rendered: Option<String>,
 }
 
-#[derive(RustcEncodable, RustcDecodable, Clone)]
+#[derive(Serialize, Deserialize, Clone)]
 struct DiagnosticSpan {
     file_name: String,
     line_start: usize,
@@ -40,7 +40,7 @@ struct DiagnosticSpan {
     expansion: Option<Box<DiagnosticSpanMacroExpansion>>,
 }
 
-#[derive(RustcEncodable, RustcDecodable, Clone)]
+#[derive(Serialize, Deserialize, Clone)]
 struct DiagnosticSpanMacroExpansion {
     /// span where macro was applied to generate this code
     span: DiagnosticSpan,
@@ -49,7 +49,7 @@ struct DiagnosticSpanMacroExpansion {
     macro_decl_name: String,
 }
 
-#[derive(RustcEncodable, RustcDecodable, Clone)]
+#[derive(Serialize, Deserialize, Clone)]
 struct DiagnosticCode {
     /// The code itself.
     code: String,
@@ -67,7 +67,7 @@ fn parse_line(file_name: &str, line: &str, output: &str, proc_res: &ProcRes) ->
     // The compiler sometimes intermingles non-JSON stuff into the
     // output.  This hack just skips over such lines. Yuck.
     if line.starts_with('{') {
-        match json::decode::<Diagnostic>(line) {
+        match serde_json::from_str::<Diagnostic>(line) {
             Ok(diagnostic) => {
                 let mut expected_errors = vec![];
                 push_expected_errors(&mut expected_errors, &diagnostic, &[], file_name);

src/lib.rs

@@ -20,14 +20,16 @@
 extern crate libc;
 extern crate test;
 extern crate rustc;
-extern crate rustc_serialize;
 
 #[cfg(feature = "tmp")] extern crate tempdir;
 
 #[macro_use]
 extern crate log;
 extern crate filetime;
 extern crate diff;
+extern crate serde_json;
+#[macro_use]
+extern crate serde_derive;
 
 use std::env;
 use std::ffi::OsString;