this derivation will be built:
  /nix/store/35b7fijzk9538ns7rlwr9hvhbpnfvjz3-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/35b7fijzk9538ns7rlwr9hvhbpnfvjz3-bcachefs-module-7.0.0-30-generic.drv'...