this derivation will be built:
  /nix/store/bi32v9hsnnp7b2pnnbls8w2d07dfll9k-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/bi32v9hsnnp7b2pnnbls8w2d07dfll9k-bcachefs-module-7.0.0-29-generic.drv'...