trim of leading spaces added

build.zig

@@ -8,7 +8,7 @@ const print = std.debug.print;
 // When changing this version, be sure to also update README.md in two places:
 //     1) Getting Started
 //     2) Version Changes
-const needed_version = std.SemanticVersion.parse("0.10.0-dev.3978") catch unreachable;
+const needed_version = std.SemanticVersion.parse("0.11.0-dev.1302") catch unreachable;
 
 const Exercise = struct {
     /// main_file must have the format key_name.zig.
@@ -683,8 +683,8 @@ const ZiglingStep = struct {
             },
         }
 
-        const trimOutput = std.mem.trimRight(u8, output, " \r\n");
+        const trimOutput = std.mem.trim(u8, output, " \r\n");
-        const trimExerciseOutput = std.mem.trimRight(u8, self.exercise.output, " \r\n");
+        const trimExerciseOutput = std.mem.trim(u8, self.exercise.output, " \r\n");
         // validate the output
         if (std.mem.indexOf(u8, trimOutput, trimExerciseOutput) == null or trimOutput.len != trimExerciseOutput.len) {
             print(