Different Output after each execution

[Vino.B via Digitalmars-d-learn]

Hi All,

  I have written a small program to just list the directories, but 
when i run the program each time i am getting different output, 
hence request you help, below is the code

Program:
import std.file: dirEntries, isFile, SpanMode, remove;
import std.stdio: writefln;
import std.algorithm: filter;
import std.parallelism: parallel;
import std.array: array;
import std.datetime;

auto AgedDirlst = [ "C:\\Temp\\TEAM", "C:\\Temp\\PROD_TEAM", 
"C:\\Temp\\BACKUP", "C:\\Temp\\EXPORT", 
"C:\\Temp\\sapnas3\\BACKUP", "C:\\Temp\\EXPORT"];


void AgedDir (string[] Dirlist)
{
  for (auto i = 0; i < Dirlist.length; ++i)
      {
       auto dFiles = dirEntries(Dirlist[i], 
SpanMode.shallow).filter!(a => a.isDir);
	  foreach (d; parallel(dFiles , 1))
	          {
			    writefln("%-63s %.20s", d, d.timeCreated().toSimpleString);
			  }
	 }
}

void main ()
{
  AgedDir(AgedDirlst);
}

If i replace the line(.isDir to .isFile) "auto dFiles = 
dirEntries(Dirlist[i], SpanMode.shallow).filter!(a => a.isDir)" 
to auto dFiles = dirEntries(Dirlist[i], 
SpanMode.shallow).filter!(a => a.isFile), then is it working 
perfectly.

From,
Vino.B
Output
C:\Users\Admin\Desktop\Script\D>rdmd AgedDir.d
C:\Temp\TEAM\DIR1                                       
2017-Aug-16 18:49:21
C:\Temp\TEAM\DIR1                                       
2017-Aug-16 18:49:21
C:\Temp\TEAM\DND1                                       
2017-Jun-30 21:02:09
C:\Temp\TEAM\DIR2                                       
2017-Jun-29 23:21:36
C:\Temp\TEAM\DND5                                       
2017-Jun-30 23:49:24
C:\Temp\PROD_TEAM\dir1                                  
2017-Jun-30 05:38:05
C:\Temp\PROD_TEAM\dir1                                  
2017-Jun-30 05:38:05
C:\Temp\PROD_TEAM\dir2                                  
2017-Jun-30 05:38:05
C:\Temp\PROD_TEAM\DND1                                  
2017-Jun-30 21:08:32

C:\Users\Admin\Desktop\Script\D>rdmd AgedDir.d
C:\Temp\TEAM\DIR1                                       
2017-Aug-16 18:49:21
C:\Temp\TEAM\DIR2                                       
2017-Jun-29 23:21:36
C:\Temp\TEAM\DND1                                       
2017-Jun-30 21:02:09
C:\Temp\TEAM\DND5                                       
2017-Jun-30 23:49:24
C:\Temp\PROD_TEAM\dir1                                  
2017-Jun-30 05:38:05
C:\Temp\PROD_TEAM\dir1                                  
2017-Jun-30 05:38:05
C:\Temp\PROD_TEAM\dir2                                  
2017-Jun-30 05:38:05
C:\Temp\PROD_TEAM\DND1                                  
2017-Jun-30 21:08:32

C:\Users\Admin\Desktop\Script\D>rdmd AgedDir.d
C:\Temp\TEAM\DND1                                       
2017-Jun-30 21:02:09
C:\Temp\TEAM\DIR1                                       
2017-Aug-16 18:49:21
C:\Temp\TEAM\DIR2                                       
2017-Jun-29 23:21:36
C:\Temp\TEAM\DND5                                       
2017-Jun-30 23:49:24
C:\Temp\PROD_TEAM\dir1                                  
2017-Jun-30 05:38:05_TEAM\dir2
C:\Temp\PROD_TEAM\dir1                                  
2017-Jun-30 05:38:05_TEAM\dir2
                   2017-Jun-30 05:38:05
C:\Temp\PROD_TEAM\DND1                                  
2017-Jun-30 21:08:32

C:\Users\Admin\Desktop\Script\D>rdmd AgedDir.d
C:\Temp\TEAM\DIR1                                       
2017-Aug-16 18:49:21
C:\Temp\TEAM\DIR1                                       
2017-Aug-16 18:49:21
C:\Temp\TEAM\DND1                                       
2017-Jun-30 21:02:09
C:\Temp\TEAM\DIR2                   C:\Temp\TEAM\DND5             
                           2017-Jun-30 23:49:24
C:\Temp\TEAM\DIR2                   C:\Temp\TEAM\DND5             
                           2017-Jun-30 23:49:24
                     2017-Jun-29 23:21:36
C:\Temp\PROD_TEAM\dir1                                  
2017-Jun-30 05:38:05
C:\Temp\PROD_TEAM\dir1                                  
2017-Jun-30 05:38:05
C:\Temp\PROD_TEAM\dir2                                  
2017-Jun-30 05:38:05
C:\Temp\PROD_TEAM\DND1                                  
2017-Jun-30 21:08:32