this derivation will be built:
  /nix/store/g2rczccaa33r3cy2vw83wdc5pij21qs9-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/g2rczccaa33r3cy2vw83wdc5pij21qs9-bcachefs-module-7.0.0-39-generic.drv'...