[...]

286350K .......... .......... .......... .......... .......... 99% 56.6M 0s
286400K .......... .......... .......... .......... .......... 99% 70.8M 0s
286450K .......... .......... .......... .......... .......... 99% 1.47M 0s
286500K .......... .......... .......... .......... .......... 99% 74.3M 0s
286550K .......... .......... .......... .......... .......... 99% 14.9M 0s
286600K .......... .......... .......... .......... .......... 99% 36.7M 0s
286650K .......... .......... .......... .......... .......... 99% 55.1M 0s
286700K .......... .......... .......... .......... .......... 99% 33.1M 0s
286750K .......... .......... .......... .......... .......... 99% 1.46M 0s
286800K .......... .......... .......... .......... .......... 99% 71.5M 0s
286850K .......... .......... .......... .......... .......... 99% 15.4M 0s
286900K .......... .......... .......... .......... .......... 99% 63.1M 0s
286950K .......... .......... .......... .......... .......... 99% 32.7M 0s
287000K .......... .......... .......... .......... .......... 99% 73.9M 0s
287050K .......... .......... .......... .......... .......... 99% 51.1M 0s
287100K .......... .......... .......... .......... .......... 99% 1.47M 0s
287150K .......... .......... .......... .......... .......... 99% 78.5M 0s
287200K .......... .......... .......... .......... .......... 99% 14.8M 0s
287250K .                                                     100% 41.3M=28s
2019-09-21 15:39:23 (10.1 MB/s) - 'rust-1.36.0-i686-unknown-linux-gnu.tar.gz' saved [294145062/294145062]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/rust-1.37.0-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	 bootstrap full_debuginfo tests
--without:	 system_llvm
Writing git revision for tag auto/ti/rust-1.37.0-1
error: Macro %_builddir has empty body
error: Macro %_builddir has empty body
Executing(--clean): env -i TMP=/home/users/builder/tmp HOME=/home/users/builder PATH=/bin:/usr/bin:/usr/sbin:/sbin:/usr/X11R6/bin TMPDIR=/home/users/builder/tmp  /bin/sh -e /home/users/builder/tmp/rpm-tmp.86658
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf rustc-1.37.0-src
Begin-TLD-Builder-Info
Build-Time: user:26.72s sys:5.12s real:178.12s (faults io:462 non-io:117169)
Files queued for ftp:
 715509475 rust-1.37.0-1.src.rpm
       183 rust-1.37.0-1.src.rpm.uploadinfo
End-TLD-Builder-Info