[...]

Building target platforms: i686-linux
Building for target i686-linux
Wrote: /home/users/builder/rpm/SRPMS/python3-cryptography-35.0.0-3.src.rpm
real 3.31
user 3.00
sys 0.21
exit status 0
Writing package revision
builder: SMP make flags are set to -j2
Already up to date.
warning: Macro expanded in comment on line 21: %{version}/src/rust
warning: Macro expanded in comment on line 23: %{version}.tar.xz vendor Cargo.lock
No conditional flags passed
from available:
--with   :	
--without:	 doc tests
Available branches: master
cryptography-35.0.0.tar.gz having proper md5sum already exists
cryptography_vectors-35.0.0.tar.gz having proper md5sum already exists
python3-cryptography-crates-35.0.0.tar.xz having proper md5sum already exists
./builder[2756]: ulimit: exceeds allowable limit
warning: Macro expanded in comment on line 21: %{version}/src/rust
warning: Macro expanded in comment on line 23: %{version}.tar.xz vendor Cargo.lock
Building target platforms: i686-linux
Building for target i686-linux
Wrote: /home/users/builder/rpm/SRPMS/python3-cryptography-35.0.0-3.src.rpm
real 3.31
user 2.95
sys 0.15
warning: Macro expanded in comment on line 21: %{version}/src/rust
warning: Macro expanded in comment on line 23: %{version}.tar.xz vendor Cargo.lock
Writing git revision for tag tld/python3-cryptography-35.0.0-3
error: Macro %_builddir has empty body
Begin-TLD-Builder-Info
Build-Time: user:7.54s sys:1.87s real:11.75s (faults io:15 non-io:159360)
Files queued for ftp:
  41611345 python3-cryptography-35.0.0-3.src.rpm
       199 python3-cryptography-35.0.0-3.src.rpm.uploadinfo
End-TLD-Builder-Info