diff --git a/artiq-full.nix b/artiq-full.nix
index 2c62f6e..9177f15 100644
--- a/artiq-full.nix
+++ b/artiq-full.nix
@@ -260,10 +260,10 @@ let
   };
 in
   builtins.mapAttrs (key: value: builtins.trace "full-${key}" pkgs.lib.hydraJob value) jobs // {
-    artiq-full = pkgs.releaseTools.channel {
+    artiq-full = builtins.trace "channel" (pkgs.releaseTools.channel {
       name = "artiq-full";
       src = generatedNix;
       constituents = builtins.attrValues jobs;
-    };
-    conda-channel = import ./artiq-full/conda-channel.nix { inherit pkgs; } { inherit jobs; };
+    });
+    conda-channel = builtins.trace "conda-channel" (import ./artiq-full/conda-channel.nix { inherit pkgs; }) { inherit jobs; };
   }