this derivation will be built:
  /nix/store/5r6yrbbgfsixmkp9x5r5msqxw6w7kfn4-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/5r6yrbbgfsixmkp9x5r5msqxw6w7kfn4-bcachefs-module-7.0.0-39-generic.drv'...