this derivation will be built:
  /nix/store/a814gls0cwx7hcs05wfjnap3y3d0l3j0-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/a814gls0cwx7hcs05wfjnap3y3d0l3j0-bcachefs-module-7.0.0-39-generic.drv'...