this derivation will be built:
  /nix/store/cq9wrbi4k37hac10nrwwafq57x2xhwz4-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/cq9wrbi4k37hac10nrwwafq57x2xhwz4-bcachefs-module-7.0.0-39-generic.drv'...