this derivation will be built:
  /nix/store/4809gd13m3rl87zblypv9v1vvvcacqn1-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/4809gd13m3rl87zblypv9v1vvvcacqn1-bcachefs-module-7.0.0-34-generic.drv'...