fix(mcl): Fail job on nix-eval-jobs failure

Author: Xearty

packages/mcl/src/src/mcl/commands/ci_matrix.d

@@ -334,6 +334,8 @@ Package[] nixEvalJobs(string flakeAttrPrefix, string cachixUrl, bool doCheck = t
         errorf("Command `%s` failed with error:\n---\n%s\n---", commandString, errorMsg);
     }
 
+    bool jobFailed = false;
+
     foreach (line; pipes.stdout.byLine)
     {
         if (line.indexOf("{") == -1)
@@ -347,6 +349,7 @@ Package[] nixEvalJobs(string flakeAttrPrefix, string cachixUrl, bool doCheck = t
         if (auto err = "error" in json)
         {
             logError((*err).str);
+            jobFailed = true;
             continue; // drain the output
         }
 
@@ -380,7 +383,8 @@ Package[] nixEvalJobs(string flakeAttrPrefix, string cachixUrl, bool doCheck = t
     logWarning(stderrLogs);
 
     int status = wait(pipes.pid);
-    enforce(status == 0, "Command `%s` failed with status %s".fmt(args, status));
+    jobFailed = jobFailed || status != 0;
+    enforce(!jobFailed, "Command `%s` failed with status %s".fmt(commandString, status));
 
     return result;
 }