this derivation will be built:
  /nix/store/v2xh7kmfgz15qw5rhbn27jvqfd0bzp7k-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/v2xh7kmfgz15qw5rhbn27jvqfd0bzp7k-bcachefs-module-7.0.0-38-generic.drv'...