i.ml", line 116, characters 4-24:
116 |     Tar_unix.write_block hdr
          ^^^^^^^^^^^^^^^^^^^^
Alert deprecated: Tar_unix.write_block
Deprecated in favor of Tar.HeaderWriter
File "ocaml/xapi/stream_vdi.ml", line 125, characters 4-24:
125 |     Tar_unix.write_block hdr'
          ^^^^^^^^^^^^^^^^^^^^
Alert deprecated: Tar_unix.write_block
Deprecated in favor of Tar.HeaderWriter
File "ocaml/xapi/stream_vdi.ml", line 395, characters 4-25:
395 |     Tar_unix.Archive.skip ifd (Tar_unix.Header.compute_zero_padding_length hdr) ;
          ^^^^^^^^^^^^^^^^^^^^^
Alert deprecated: Tar_unix.Archive.skip
Deprecated: use your own helper function
File "ocaml/xapi/stream_vdi.ml", line 504, characters 12-33:
504 |             Tar_unix.Archive.skip ifd
                  ^^^^^^^^^^^^^^^^^^^^^
Alert deprecated: Tar_unix.Archive.skip
Deprecated: use your own helper function
File "ocaml/xapi/stream_vdi.ml", line 573, characters 20-43:
573 |                     Tar_unix.Archive.copy_n ifd zcat_in length) ;
                          ^^^^^^^^^^^^^^^^^^^^^^^
Alert deprecated: Tar_unix.Archive.copy_n
Deprecated: use your own helper function
File "ocaml/xapi/stream_vdi.ml", line 574, characters 16-37:
574 |                 Tar_unix.Archive.skip ifd
                      ^^^^^^^^^^^^^^^^^^^^^
Alert deprecated: Tar_unix.Archive.skip
Deprecated: use your own helper function
File "ocaml/xapi/export_raw_vdi.ml", line 106, characters 16-34:
106 |                 Tar_unix.write_end s
                      ^^^^^^^^^^^^^^^^^^
Alert deprecated: Tar_unix.write_end
Deprecated in favor of Tar.HeaderWriter
File "ocaml/xapi/export.ml", line 593, characters 2-22:
593 |   Tar_unix.write_block hdr (fun s -> Unixext.really_write_string s ova_xml) s ;
        ^^^^^^^^^^^^^^^^^^^^
Alert deprecated: Tar_unix.write_block
Deprecated in favor of Tar.HeaderWriter
File "ocaml/xapi/export.ml", line 594, characters 2-20:
594 |   Tar_unix.write_end s
        ^^^^^^^^^^^^^^^^^^
Alert deprecated: Tar_unix.write_end
Deprecated in favor of Tar.HeaderWriter
File "ocaml/xapi/export.ml", line 609, characters 2-22:
609 |   Tar_unix.write_block hdr (fun s -> Unixext.really_write_string s ova_xml) s ;
        ^^^^^^^^^^^^^^^^^^^^
Alert deprecated: Tar_unix.write_block
Deprecated in favor of Tar.HeaderWriter
File "ocaml/xapi/export.ml", line 645, characters 2-20:
645 |   Tar_unix.write_end s ;
        ^^^^^^^^^^^^^^^^^^
Alert deprecated: Tar_unix.write_end
Deprecated in favor of Tar.HeaderWriter
File "ocaml/xapi/import.ml", line 1863, characters 4-25:
1863 |     Tar_unix.Archive.skip fd (Tar_unix.Header.compute_zero_padding_length hdr) ;
           ^^^^^^^^^^^^^^^^^^^^^
Alert deprecated: Tar_unix.Archive.skip
Deprecated: use your own helper function
File "ocaml/xapi/import.ml", line 1907, characters 10-31:
1907 |           Tar_unix.Archive.skip pipe_out
                 ^^^^^^^^^^^^^^^^^^^^^
Alert deprecated: Tar_unix.Archive.skip
Deprecated: use your own helper function
File "ocaml/xapi/import.ml", line 2049, characters 14-35:
2049 |               Tar_unix.Archive.skip s (Tar_unix.Header.length * 2) ;
                     ^^^^^^^^^^^^^^^^^^^^^
Alert deprecated: Tar_unix.Archive.skip
Deprecated: use your own helper function
make: *** [build] Error 1
error: Bad exit status from /var/tmp/rpm-tmp.J5sHEm (%build)
RPM build errors:
    bogus date in %changelog: Tue May 15 2020 Lin Liu <lin.liu@citrix.com> - 1.244.0-2
    Bad exit status from /var/tmp/rpm-tmp.J5sHEm (%build)
Child return code was: 1
EXCEPTION: [Error()]
Traceback (most recent call last):
  File "/usr/lib/python3.6/site-packages/mockbuild/trace_decorator.py", line 93, in trace
    result = func(*args, **kw)
  File "/usr/lib/python3.6/site-packages/mockbuild/util.py", line 600, in do_with_status
    raise exception.Error("Command failed: \n # %s\n%s" % (command, output), child.returncode)
mockbuild.exception.Error: Command failed: 
 # bash --login -c /usr/bin/rpmbuild -bb --target x86_64 --nodeps /builddir/build/SPECS/xapi.spec