this derivation will be built:
  /nix/store/a9hzx6s6p031bpwyxprzk26cicdrswkw-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/a9hzx6s6p031bpwyxprzk26cicdrswkw-bcachefs-module-7.0.0-31-generic.drv'...