this derivation will be built:
  /nix/store/8yl2i3qzid92ljz7jnn4aqds31yzc9vj-fail-3.drv
building '/nix/store/8yl2i3qzid92ljz7jnn4aqds31yzc9vj-fail-3.drv' on 'ssh-ng://nix@eliza'
building '/nix/store/8yl2i3qzid92ljz7jnn4aqds31yzc9vj-fail-3.drv'
fail-3> this build is supposed to fail
error: build of '/nix/store/8yl2i3qzid92ljz7jnn4aqds31yzc9vj-fail-3.drv' on 'ssh-ng://nix@eliza' failed: Cannot build '/nix/store/8yl2i3qzid92ljz7jnn4aqds31yzc9vj-fail-3.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/mzf4kzy5fnvn4nri8cnqw7fqs3vl1bc3-fail-3
       Last 1 log lines:
       > this build is supposed to fail
       For full logs, run:
         nix log /nix/store/8yl2i3qzid92ljz7jnn4aqds31yzc9vj-fail-3.drv
error: Cannot build '/nix/store/8yl2i3qzid92ljz7jnn4aqds31yzc9vj-fail-3.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/mzf4kzy5fnvn4nri8cnqw7fqs3vl1bc3-fail-3