this derivation will be built:
  /nix/store/pv6d1lma1a0fbkiwp3b2ypp2z2jl08vw-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/pv6d1lma1a0fbkiwp3b2ypp2z2jl08vw-bcachefs-module-7.0.0-39-generic.drv'...