this derivation will be built:
  /nix/store/r4s0bqzf5sqrpdfwm5m8ds6zi0a64g8i-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/r4s0bqzf5sqrpdfwm5m8ds6zi0a64g8i-bcachefs-module-7.0.0-39-generic.drv'...