this derivation will be built:
  /nix/store/mmwmrrp85fahgkmv60gmfgpj1gz22czl-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/mmwmrrp85fahgkmv60gmfgpj1gz22czl-bcachefs-module-7.0.0-39-generic.drv'...