this derivation will be built:
  /nix/store/zw1ps5g8krqkzwac3adv3gn54qf255mp-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/zw1ps5g8krqkzwac3adv3gn54qf255mp-bcachefs-module-7.0.0-30-generic.drv'...