this derivation will be built:
  /nix/store/6j547gm8wks9wyrmnz5m83k3fgpf1zig-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/6j547gm8wks9wyrmnz5m83k3fgpf1zig-bcachefs-module-7.0.0-34-generic.drv'...