this derivation will be built:
  /nix/store/g7gnfmfx1km8kycsx7fd3swjmczkhc4f-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/g7gnfmfx1km8kycsx7fd3swjmczkhc4f-bcachefs-module-7.0.0-38-generic.drv'...