this derivation will be built:
  /nix/store/2ajprk4wa9z2w9zm0z1zw4s07kb6b9gi-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/2ajprk4wa9z2w9zm0z1zw4s07kb6b9gi-bcachefs-module-7.0.0-39-generic.drv'...