this derivation will be built:
  /nix/store/adwkzd2a4nqawg6ff11j761mqy9dx40i-fail.drv
building '/nix/store/adwkzd2a4nqawg6ff11j761mqy9dx40i-fail.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/adwkzd2a4nqawg6ff11j761mqy9dx40i-fail.drv'
fail> This build will fail
error: build of '/nix/store/adwkzd2a4nqawg6ff11j761mqy9dx40i-fail.drv' on 'ssh-ng://customer@mac02' failed: Cannot build '/nix/store/adwkzd2a4nqawg6ff11j761mqy9dx40i-fail.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/4l3cjbs9dsla2x67lpnx0i74a26nk7h6-fail
       Last 1 log lines:
       > This build will fail
       For full logs, run:
         nix log /nix/store/adwkzd2a4nqawg6ff11j761mqy9dx40i-fail.drv
error: Cannot build '/nix/store/adwkzd2a4nqawg6ff11j761mqy9dx40i-fail.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/4l3cjbs9dsla2x67lpnx0i74a26nk7h6-fail