this derivation will be built:
  /nix/store/71wzv354zk1fqz36qk9ij4qpwqf2pjg3-bcachefs-module-7.0.0-26-generic.drv
building '/nix/store/71wzv354zk1fqz36qk9ij4qpwqf2pjg3-bcachefs-module-7.0.0-26-generic.drv'...