this derivation will be built:
  /nix/store/hax8d3m370qvwg89cdxfg1bjdls7dm2j-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/hax8d3m370qvwg89cdxfg1bjdls7dm2j-bcachefs-module-7.0.0-39-generic.drv'...