this derivation will be built:
  /nix/store/db5c7v6j5pq0b9mc1pv0b1b3b86myx76-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/db5c7v6j5pq0b9mc1pv0b1b3b86myx76-bcachefs-module-7.0.0-39-generic.drv'...