tree-wide: disable doCheck and doInstallCheck where it fails (the trivial part)

pkgs/development/libraries/zeromq/3.x.nix

@@ -10,6 +10,8 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ libuuid ];
 
+  doCheck = false; # fails all the tests (ctest)
+
   meta = with stdenv.lib; {
     branch = "3";
     homepage = http://www.zeromq.org;

pkgs/development/libraries/zeromq/4.x.nix

@@ -19,6 +19,8 @@ stdenv.mkDerivation rec {
     sed -i 's,''${PACKAGE_PREFIX_DIR}/,,g' ZeroMQConfig.cmake.in
   '';
 
+  doCheck = false; # fails all the tests (ctest)
+
   meta = with stdenv.lib; {
     branch = "4";
     homepage = http://www.zeromq.org;