Include build ID in dart2js

dart/lib/compiler/implementation/dart2js.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #library('dart2js');
 
 #import('dart:io');
 #import('dart:uri');
 #import('dart:utf');
 
@@ skipping 221 matching lines @@
       isAborting = true;
       throw new AbortLeg(message);
     }
   }
 
   Uri uri = cwd.resolve(arguments[0]);
   if (packageRoot === null) {
     packageRoot = uri.resolve('./packages/');
   }
 
-  info('compiling $uri');
   info('package root is $packageRoot');
 
   // TODO(ahe): We expect the future to be complete and call value
   // directly. In effect, we don't support truly asynchronous API.
   String code = api.compile(uri, libraryRoot, packageRoot, provider, handler,
                             options).value;
   if (code === null) {
     fail('Error: Compilation failed.');
   }
   writeString(out, code);
@@ skipping 131 matching lines @@
     } catch (ignored) {
       print('Internal error: error while printing exception');
     }
     try {
       print(trace);
     } finally {
       exit(253); // 253 is recognized as a crash by our test scripts.
     }
   }
 }