Bugzilla Bug 69504

I'm seeing this error message when emerging kdevelop-3.1.1 (flagged ~x86):

Making all in imports
make[4]: Entering directory `/var/tmp/portage/kdevelop-3.1.1/work/kdevelop-3.1.1/parts/appwizard/imports'
make[4]: Nothing to be done for `all'.
make[4]: Leaving directory `/var/tmp/portage/kdevelop-3.1.1/work/kdevelop-3.1.1/parts/appwizard/imports'
Making all in common
make[4]: Entering directory `/var/tmp/portage/kdevelop-3.1.1/work/kdevelop-3.1.1/parts/appwizard/common'
gnutar -cf admin.tar -C . admin
gnutar -cf gnu.tar -C ./gnu AUTHORS  COPYING \
        ChangeLog  INSTALL  NEWS  README  TODO
gnutar: No such file or directory. Cannot stat 'ChangeLog'.
gnutar: No such file or directory. Cannot stat 'INSTALL'.
gnutar: No such file or directory. Cannot stat 'NEWS'.
gnutar: No such file or directory. Cannot stat 'README'.
gnutar: No such file or directory. Cannot stat 'TODO'.
gnutar: 87 blocks + 0 bytes (total of 890880 bytes = 870.00k).
gnutar: 3 blocks + 0 bytes (total of 30720 bytes = 30.00k).
gnutar: The following problems occurred during archive processing:
gnutar: Cannot: stat 5, open 0, read/write 0. Size changed 0.
gnutar: Missing links 0, Name too long 0, File too big 0, Not dumped 0.
gnutar: Processed all possible files, despite earlier errors.
gzip admin.tar
make[4]: *** [gnu.tar.gz] Error 254
make[4]: *** Waiting for unfinished jobs....

I don't understand if there are files missing from any of the downloaded packages, or what else might have gone wrong?

Reproducible: Always
Steps to Reproduce:

*** This bug has been marked as a duplicate of 33119 ***