this derivation will be built:
  /nix/store/0dgmky6awz7d0ybc5walfy12nxcplzqh-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/0dgmky6awz7d0ybc5walfy12nxcplzqh-bcachefs-module-7.0.0-28-generic.drv'...