fix result copy in case of build failure.

2 jobs for master in 3 minutes and 4 seconds
Status Job ID Name Coverage
  Build
failed #23456
integration
argonix

00:03:04

 
  Quality
skipped #23457
integration
repoquality
 
Name Stage Failure
failed
argonix Build
checking for references to /tmp/tmpdir-dN5x/nix-build-argonix-0.1.0.0.drv-0 in /nix/store/z4zr0rxykwjvghd69xyfhcqv52fk6jzw-argonix-0.1.0.0-doc...
/nix/store/1vs89853flddg7b740b51asjm5fn2wpn-argonix-0.1.0.0
cp-r /tmp/papa ./result
cp: cannot create symbolic link './result': No such file or directory
argonix: Received ExitFailure 1 when running
Raw command: cp -r /tmp/papa ./result

bash: line 66: cd: /home/gitlab-runner/builds/259091ff/0/argo/argonix: No such file or directory
ERROR: Job failed: exit status 1