std.exception.ErrnoException@std/stdio.d(461): Could not close pipe `' (No such file or directory)
----------------
5 file 0x0010aa66 void std.stdio.File.close() + 170
6 file 0x001048e5 std.process.Pid std.process.spawnProcessImpl(immutable(char)[], const(immutable(char)[][]), const(char**), std.stdio.File, std.stdio.File, std.stdio.File, std.process.Config) + 725
7 file 0x00104593 std.process.Pid std.process.spawnProcess(immutable(char)[], const(immutable(char)[][]), std.stdio.File, std.stdio.File, std.stdio.File, std.process.Config) + 147
8 file 0x00105623 std.process.ProcessPipes std.process.pipeProcess(immutable(char)[], immutable(char)[][], std.process.Redirect) + 1183
9 file 0x00105169 std.process.ProcessPipes std.process.pipeProcess(immutable(char)[], std.process.Redirect) + 117
10 file 0x00105b07 std.typecons.Tuple!(int, "status", immutable(char)[], "output").Tuple std.process.execute(immutable(char)[]) + 31
11 file 0x000bba1f void std.file.__unittestL2208_20() + 607
12 file 0x000b8523 void std.file.__modtest() + 91
13 file 0x000da481 extern (C) bool core.runtime.runModuleUnitTests().int __foreachbody320(ref object.ModuleInfo*) + 45
14 file 0x000e9ac6 int rt.minfo.moduleinfos_apply(scope int delegate(ref object.ModuleInfo*)) + 66
15 file 0x000da372 runModuleUnitTests + 134
16 file 0x000e5461 extern (C) int rt.dmain2._d_run_main(int, char**, extern (C) int function(char[][])*).void runAll() + 41
17 file 0x000e4fe0 extern (C) int rt.dmain2._d_run_main(int, char**, extern (C) int function(char[][])*).void tryExec(scope void delegate()) + 24
18 file 0x000e4fae _d_run_main + 342
19 file 0x000e4e51 main + 29
20 libdyld.dylib 0x958d4725 start + 0
21 ??? 0x00000001 0x0 + 1
make[1]: *** [generated/osx/debug/32/unittest/std/file] Error 1
make: *** [unittest] Error 2