The directories are found, just not copied. Fails on both windows and solaris.

Windows output.

% sh get_source.sh |& tee i.getsrc
# Repositories: corba jaxp jaxws langtools jdk hotspot nashorn closed jdk/src/
closed jdk/make/closed jdk/test/closed hotspot/make/closed hotspot/src/closed ho
tspot/test/closed deploy install sponsors pubs
                corba: hg clone /cygdrive/d/java/ws/dev/corba corba
                corba: updating to branch default
                corba: 1191 files updated, 0 files merged, 0 files removed, 0
files unresolved
                 jaxp: hg clone /cygdrive/d/java/ws/dev/jaxp jaxp
                 jaxp: updating to branch default
                 jaxp: 2067 files updated, 0 files merged, 0 files removed, 0
files unresolved
                jaxws: hg clone /cygdrive/d/java/ws/dev/jaxws jaxws
                jaxws: updating to branch default
                jaxws: 3747 files updated, 0 files merged, 0 files removed, 0
files unresolved
            langtools: hg clone /cygdrive/d/java/ws/dev/langtools langtools
            langtools: updating to branch default
            langtools: 6589 files updated, 0 files merged, 0 files removed, 0
files unresolved
              hotspot: hg clone /cygdrive/d/java/ws/dev/hotspot hotspot
              hotspot: updating to branch default
              hotspot: 4646 files updated, 0 files merged, 0 files removed, 0
files unresolved
              nashorn: hg clone /cygdrive/d/java/ws/dev/nashorn nashorn
              nashorn: updating to branch default
              nashorn: 2358 files updated, 0 files merged, 0 files removed, 0
files unresolved
               closed: hg clone /closed closed
               closed: abort: repository /closed not found!
       jdk/src/closed: jdk/src still not created, waiting...
       jdk/src/closed: hg clone /jdk/src/closed jdk/src/closed
       jdk/src/closed: abort: repository /jdk/src/closed not found!
      jdk/make/closed: hg clone /jdk/make/closed jdk/make/closed
      jdk/make/closed: abort: repository /jdk/make/closed not found!
      jdk/test/closed: hg clone /jdk/test/closed jdk/test/closed
      jdk/test/closed: abort: repository /jdk/test/closed not found!
  hotspot/make/closed: hg clone /hotspot/make/closed hotspot/make/closed
  hotspot/make/closed: abort: repository /hotspot/make/closed not found!
   hotspot/src/closed: hg clone /hotspot/src/closed hotspot/src/closed
   hotspot/src/closed: abort: repository /hotspot/src/closed not found!
  hotspot/test/closed: hg clone /hotspot/test/closed hotspot/test/closed
  hotspot/test/closed: abort: repository /hotspot/test/closed not found!
               deploy: hg clone /deploy deploy
               deploy: abort: repository /deploy not found!
              install: hg clone /install install
              install: abort: repository /install not found!
             sponsors: hg clone /sponsors sponsors
             sponsors: abort: repository /sponsors not found!
                 pubs: hg clone /pubs pubs
                 pubs: abort: repository /pubs not found!
                  jdk: hg clone /cygdrive/d/java/ws/dev/jdk jdk
                  jdk: updating to branch default
                  jdk: 22859 files updated, 0 files merged, 0 files removed, 0
 files unresolved
WARNING: closed exited abnormally (255)
WARNING: deploy exited abnormally (255)
WARNING: hotspomake/closed exited abnormally (255)
WARNING: hotsposrc/closed exited abnormally (255)
WARNING: hotspotest/closed exited abnormally (255)
WARNING: install exited abnormally (255)
WARNING: jdmake/closed exited abnormally (255)
WARNING: jdsrc/closed exited abnormally (255)
WARNING: jdtest/closed exited abnormally (255)
WARNING: pubs exited abnormally (255)
WARNING: sponsors exited abnormally (255)

Solaris output:

% sh get_source.sh
# Repositories: corba jaxp jaxws langtools jdk hotspot nashorn closed jdk/src/closed jdk/make/closed jdk/test/closed hotspot/make/closed hotspot/src/closed hotspot/test/closed deploy install sponsors pubs
                corba: hg clone /export/home/brwetmor/dev/corba corba
                corba: updating to branch default
                corba: 1191 files updated, 0 files merged, 0 files removed, 0 files unresolved
                 jaxp: hg clone /export/home/brwetmor/dev/jaxp jaxp
                 jaxp: updating to branch default
                 jaxp: 2067 files updated, 0 files merged, 0 files removed, 0 files unresolved
                jaxws: hg clone /export/home/brwetmor/dev/jaxws jaxws
            langtools: hg clone /export/home/brwetmor/dev/langtools langtools
                jaxws: updating to branch default
                jaxws: 3747 files updated, 0 files merged, 0 files removed, 0 files unresolved
            langtools: updating to branch default
            langtools: 6589 files updated, 0 files merged, 0 files removed, 0 files unresolved
              hotspot: hg clone /export/home/brwetmor/dev/hotspot hotspot
              hotspot: updating to branch default
              hotspot: 4646 files updated, 0 files merged, 0 files removed, 0 files unresolved
              nashorn: hg clone /export/home/brwetmor/dev/nashorn nashorn
              nashorn: updating to branch default
              nashorn: 2358 files updated, 0 files merged, 0 files removed, 0 files unresolved
               closed: hg clone /closed closed
               closed: abort: repository /closed not found!
                  jdk: hg clone /export/home/brwetmor/dev/jdk jdk
       jdk/src/closed: hg clone /jdk/src/closed jdk/src/closed
       jdk/src/closed: abort: repository /jdk/src/closed not found!
      jdk/make/closed: hg clone /jdk/make/closed jdk/make/closed
      jdk/make/closed: abort: repository /jdk/make/closed not found!
      jdk/test/closed: hg clone /jdk/test/closed jdk/test/closed
      jdk/test/closed: abort: repository /jdk/test/closed not found!
  hotspot/make/closed: hg clone /hotspot/make/closed hotspot/make/closed
  hotspot/make/closed: abort: repository /hotspot/make/closed not found!
   hotspot/src/closed: hg clone /hotspot/src/closed hotspot/src/closed
   hotspot/src/closed: abort: repository /hotspot/src/closed not found!
  hotspot/test/closed: hg clone /hotspot/test/closed hotspot/test/closed
  hotspot/test/closed: abort: repository /hotspot/test/closed not found!
               deploy: hg clone /deploy deploy
               deploy: abort: repository /deploy not found!
              install: hg clone /install install
              install: abort: repository /install not found!
             sponsors: hg clone /sponsors sponsors
             sponsors: abort: repository /sponsors not found!
                 pubs: hg clone /pubs pubs
                 pubs: abort: repository /pubs not found!
                  jdk: updating to branch default
                  jdk: 22859 files updated, 0 files merged, 0 files removed, 0 files unresolved
WARNING: closed exited abnormally (255)
WARNING: deploy exited abnormally (255)
WARNING: hotspomake/closed exited abnormally (255)
WARNING: hotsposrc/closed exited abnormally (255)
WARNING: hotspotest/closed exited abnormally (255)
WARNING: install exited abnormally (255)
WARNING: jdmake/closed exited abnormally (255)
WARNING: jdsrc/closed exited abnormally (255)
WARNING: jdtest/closed exited abnormally (255)
WARNING: pubs exited abnormally (255)
WARNING: sponsors exited abnormally (255)

This might also indicated that JDK-8043363 is no longer a problem.