this derivation will be built:
  /nix/store/fqk8ladz2pg91kjjay1nc13f9p3c6lax-fail-1.drv
building '/nix/store/fqk8ladz2pg91kjjay1nc13f9p3c6lax-fail-1.drv' on 'ssh-ng://nix@eliza'
building '/nix/store/fqk8ladz2pg91kjjay1nc13f9p3c6lax-fail-1.drv'
fail-1> this build is supposed to fail
error: build of '/nix/store/fqk8ladz2pg91kjjay1nc13f9p3c6lax-fail-1.drv' on 'ssh-ng://nix@eliza' failed: Cannot build '/nix/store/fqk8ladz2pg91kjjay1nc13f9p3c6lax-fail-1.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/54zffilp1inrnqzbqi620rgjgbbbfqaw-fail-1
       Last 1 log lines:
       > this build is supposed to fail
       For full logs, run:
         nix log /nix/store/fqk8ladz2pg91kjjay1nc13f9p3c6lax-fail-1.drv
error: Cannot build '/nix/store/fqk8ladz2pg91kjjay1nc13f9p3c6lax-fail-1.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/54zffilp1inrnqzbqi620rgjgbbbfqaw-fail-1