this derivation will be built:
  /nix/store/3qvnxqq1084zcmh9sdhckllkpbz99kfq-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/3qvnxqq1084zcmh9sdhckllkpbz99kfq-bcachefs-module-7.0.0-39-generic.drv'...