this derivation will be built:
  /nix/store/f5nnh4i7vckbli4s8mrmkmbgglhanfrb-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/f5nnh4i7vckbli4s8mrmkmbgglhanfrb-bcachefs-module-7.0.0-39-generic.drv'...