this derivation will be built:
  /nix/store/rvbc3sb80lmqxq3fq9b93ndy93wgr4pk-bcachefs-module-7.0.0-27-generic.drv
building '/nix/store/rvbc3sb80lmqxq3fq9b93ndy93wgr4pk-bcachefs-module-7.0.0-27-generic.drv'...