feat(tvix/build): add BuildService trait r/7383

Also provide a dummy implementation that just fails on any build that's
requested.

Change-Id: I0df743a730c5331ec9ce6e97a966abe18ce067f5
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10627
Autosubmit: flokli <flokli@flokli.de>
Reviewed-by: raitobezarius <tvl@lahfa.xyz>
Tested-by: BuildkiteCI

1 files changed, 4 insertions, 0 deletions

diff --git a/tvix/Cargo.nix b/tvix/Cargo.nix
index d3947281dcd0..a67738397f66 100644
--- a/tvix/Cargo.nix
+++ b/tvix/Cargo.nix
@@ -10247,6 +10247,10 @@ rec {
             optional = true;
           }
           {
+            name = "tracing";
+            packageId = "tracing";
+          }
+          {
             name = "tvix-castore";
             packageId = "tvix-castore";
           }