this derivation will be built:
  /nix/store/zn9xs67k2a2iqa3z41nw9igdrh3ynfpq-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/zn9xs67k2a2iqa3z41nw9igdrh3ynfpq-bcachefs-module-7.0.0-39-generic.drv'...