this derivation will be built:
  /nix/store/9w3prx1ik3d7545lmkg256wpqz6rx1hh-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/9w3prx1ik3d7545lmkg256wpqz6rx1hh-bcachefs-module-7.0.0-39-generic.drv'...