chmod $out not $src as this fails under NixOS.

pkgs/banlist.nix

@@ -9,7 +9,7 @@ stdenv.mkDerivation {
   installPhase = ''
     mkdir -p $out
     mkdir -p $out/bin
-    chmod +wx $src
     cp $src $out/bin/banlist
+    chmod +x $out/bin/banlist
     '';
 }

pkgs/nodeinfo.nix

@@ -9,7 +9,7 @@ stdenv.mkDerivation {
   installPhase = ''
     mkdir -p $out
     mkdir -p $out/bin
-    chmod +wx $src
     cp $src $out/bin/nodeinfo
+    chmod +x $out/bin/nodeinfo
     '';
 }