gistfile1.txt

$ darwin-rebuild switch
building the system configuration...
these derivations will be built:
  /nix/store/8fsh7kil9q8gm132avnyr7pk1xdnq045-org.nixos.nix-gc.plist.drv
  /nix/store/fh8kd1b348l1hxglqzdnag7zlc0hap01-org.nixos.nix-daemon.plist.drv
  /nix/store/ffn5rplm2vfy8jsw5d7jza41x4zxhb2z-launchd.drv
  /nix/store/gynplhnql0w0760djhh5jnhcj3v3g1rr-system-applications.drv
  /nix/store/lf2b1ivima0wakmingrmcgckfxmmf84y-etc-authorized_keys.drv
  /nix/store/mvn9hq7582fh8igynkxcscjq60ncw1g4-system-path.drv
  /nix/store/s7x546jif3yby22cbfxmqm2fhh9vn1kk-nix.conf.drv
  /nix/store/zf6v0pgnvjwns9b1ix977w3dpggy0fll-etc.drv
  /nix/store/rrfbhv4s8gznni49sl9j8akppv2v04d7-darwin-system-17.09pre-git.drv
error: derivation '/nix/store/gynplhnql0w0760djhh5jnhcj3v3g1rr-system-applications.drv' specifies a sandbox profile, but this is only allowed when 'sandbox' is 'relaxed'