Dependencies resolved.
DEBUG util.py:556:  ================================================================================
DEBUG util.py:556:   Package           Arch      Version                              Repository
DEBUG util.py:556:                                                                             Size
DEBUG util.py:556:  ================================================================================
DEBUG util.py:556:  Installing:
DEBUG util.py:556:   gcc               riscv64   9.1.1-2.0.riscv64.fc31               build    17 M
DEBUG util.py:556:  Installing dependencies:
DEBUG util.py:556:   annobin           riscv64   8.77-1.0.riscv64.fc31                build   106 k
DEBUG util.py:556:   cpp               riscv64   9.1.1-2.0.riscv64.fc31               build   6.7 M
DEBUG util.py:556:   glibc-devel       riscv64   2.29.9000-33.fc31                    build   1.0 M
DEBUG util.py:556:   glibc-headers     riscv64   2.29.9000-33.fc31                    build   459 k
DEBUG util.py:556:   isl               riscv64   0.16.1-7.fc30                        build   741 k
DEBUG util.py:556:   kernel-headers    riscv64   5.2.0-0.rc7.git0.1.1.riscv64.fc31    build   1.2 M
DEBUG util.py:556:   libatomic         riscv64   9.1.1-2.0.riscv64.fc31               build    32 k
DEBUG util.py:556:   libmpc            riscv64   1.1.0-2.fc30                         build    55 k
DEBUG util.py:556:   libxcrypt-devel   riscv64   4.4.6-2.fc31                         build    35 k
DEBUG util.py:556:  Transaction Summary
DEBUG util.py:556:  ================================================================================
DEBUG util.py:556:  Install  10 Packages
DEBUG util.py:556:  Total download size: 28 M
DEBUG util.py:556:  Installed size: 65 M
DEBUG util.py:556:  Downloading Packages:
DEBUG util.py:554:  BUILDSTDERR: Error: Error downloading packages:
DEBUG util.py:554:  BUILDSTDERR:   Cannot download toplink/packages/gcc/9.1.1/2.0.riscv64.fc31/riscv64/gcc-9.1.1-2.0.riscv64.fc31.riscv64.rpm: All mirrors were tried
DEBUG util.py:698:  Child return code was: 1
DEBUG util.py:292:  kill orphans
DEBUG util.py:717:  child environment: None
DEBUG util.py:643:  Executing command: ['/bin/umount', '-n', '/var/lib/mock/f31-build-49011-27197/root/proc/filesystems'] with env {'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'LANG': 'en_US.UTF-8'} and shell False
DEBUG util.py:698:  Child return code was: 0
DEBUG util.py:717:  child environment: None
DEBUG util.py:643:  Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/f31-build-49011-27197/root/dev/pts'] with env {'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'LANG': 'en_US.UTF-8'} and shell False
DEBUG util.py:698:  Child return code was: 0
DEBUG util.py:717:  child environment: None
DEBUG util.py:643:  Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/f31-build-49011-27197/root/dev/shm'] with env {'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'LANG': 'en_US.UTF-8'} and shell False
DEBUG util.py:698:  Child return code was: 0
DEBUG util.py:717:  child environment: None
DEBUG util.py:643:  Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/f31-build-49011-27197/root/sys'] with env {'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'LANG': 'en_US.UTF-8'} and shell False
DEBUG util.py:698:  Child return code was: 0
DEBUG util.py:717:  child environment: None
DEBUG util.py:643:  Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/f31-build-49011-27197/root/proc'] with env {'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'LANG': 'en_US.UTF-8'} and shell False
DEBUG util.py:698:  Child return code was: 0