this derivation will be built:
  /nix/store/iwjbvlbn2n36l3p7rmafl7qd44k7r08v-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/iwjbvlbn2n36l3p7rmafl7qd44k7r08v-bcachefs-module-7.0.0-39-generic.drv'...