https://issues.dlang.org/show_bug.cgi?id=18667
--- Comment #1 from Seb <greensunn...@gmail.com> --- Another related segfault from Phobos's CircleCi --- Program received signal SIGHUP, Hangup. __lll_lock_wait_private () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95 95 ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S: No such file or directory. #0 __lll_lock_wait_private () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95 #1 0x00007ffff6fa7068 in _L_lock_29 () from /lib/x86_64-linux-gnu/libc.so.6 #2 0x00007ffff6fa6fc0 in __readdir (dirp=0x7ffff7f2af84) at ../sysdeps/posix/readdir.c:44 #3 0x0000000000aca6d1 in std.file.DirIteratorImpl.next() (this=...) at std/file.d:4555 #4 0x0000000000acab90 in std.file.DirIteratorImpl.popFront() (this=...) at std/file.d:4659 #5 0x0000000000acae39 in std.file.DirIterator.popFront() (this=...) at std/file.d:4681 #6 0x00000000008f9e65 in dsymbol.modulecache.ModuleCache.addImportPaths() (this=0x7ffff7ee9560, root=...) at dsymbol/src/dsymbol/modulecache.d:133 #7 0x00000000008f9e59 in dsymbol.modulecache.ModuleCache.addImportPaths() (this=0x7ffff7ee9560, root=...) at dsymbol/src/dsymbol/modulecache.d:132 #8 0x00000000008f9e59 in dsymbol.modulecache.ModuleCache.addImportPaths() (this=0x7ffff7ee9560, root=...) at dsymbol/src/dsymbol/modulecache.d:132 #9 0x00000000008f9c8f in dsymbol.modulecache.ModuleCache.addImportPaths() (this=..., paths=...) at dsymbol/src/dsymbol/modulecache.d:136 #10 0x0000000000a1896b in D main (args=...) at src/dscanner/main.d:158 #11 0x0000000000ab5d74 in rt.dmain2._d_run_main() (this=0x7fffffffe3c0) at src/rt/dmain2.d:508 #12 0x0000000000ab5bbc in rt.dmain2._d_run_main() (this=0x7fffffffe3c0, dg=...) at src/rt/dmain2.d:469 #13 0x0000000000ab5cc9 in rt.dmain2._d_run_main() (this=0x7fffffffe3c0) at src/rt/dmain2.d:508 #14 0x0000000000ab5bbc in rt.dmain2._d_run_main() (this=0x7fffffffe3c0, dg=...) at src/rt/dmain2.d:469 #15 0x0000000000ab5b20 in _d_run_main (argc=7, argv=0x7fffffffe4c8, mainFunc=0xa18328 <D main>) at src/rt/dmain2.d:528 #16 0x0000000000a26f82 in main () --- --