[...]

Saving to: 'which-2.21.tar.gz'
     0K .......... .......... .......... .......... .......... 34%  808K 0s
    50K .......... .......... .......... .......... .......... 68% 1.57M 0s
   100K .......... .......... .......... .......... .....     100%  138M=0.09s
2021-05-09 17:32:32 (1.53 MB/s) - 'which-2.21.tar.gz' saved [149305/149305]
--2021-05-09 17:32:32--  http://distfiles.pld-linux.org/by-md5/8/c/8c6cfc55ca1046a2812eafd17d29561c/which-non-english-man-pages.tar.bz2
Resolving distfiles.pld-linux.org... 193.239.45.41
Connecting to distfiles.pld-linux.org|193.239.45.41|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 1958 (1.9K) [application/x-bzip2]
Saving to: 'which-non-english-man-pages.tar.bz2'
     0K .                                                     100%  267M=0s
2021-05-09 17:32:32 (267 MB/s) - 'which-non-english-man-pages.tar.bz2' saved [1958/1958]
./builder[2756]: ulimit: exceeds allowable limit
Building target platforms: i686-linux
Building for target i686-linux
Wrote: /home/users/builder/rpm/SRPMS/which-2.21-1.1.src.rpm
real 0.05
user 0.04
sys 0.01
exit status 0
Writing package revision
builder: SMP make flags are set to -j2
Already up to date.
Available branches: AC-branch RA-branch master rpm3
which-2.21.tar.gz having proper md5sum already exists
which-non-english-man-pages.tar.bz2 having proper md5sum already exists
./builder[2756]: ulimit: exceeds allowable limit
Building target platforms: i686-linux
Building for target i686-linux
Wrote: /home/users/builder/rpm/SRPMS/which-2.21-1.1.src.rpm
real 0.05
user 0.04
sys 0.01
Writing git revision for tag tld/which-2.21-1.1
error: Macro %_builddir has empty body
Begin-TLD-Builder-Info
Build-Time: user:1.08s sys:0.81s real:2.52s (faults io:0 non-io:176584)
Files queued for ftp:
    165347 which-2.21-1.1.src.rpm
       184 which-2.21-1.1.src.rpm.uploadinfo
End-TLD-Builder-Info