feat(tvix/cli): set up tracing[-subscriber] r/7543

No otlp yet, this simply gives us structured log output and a cli
argument for the log level.

Change-Id: Ifaa60bae419640e92baebb6ee59eedd775c769c2
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10853
Reviewed-by: raitobezarius <tvl@lahfa.xyz>
Tested-by: BuildkiteCI
Autosubmit: flokli <flokli@flokli.de>

1 files changed, 5 insertions, 0 deletions

diff --git a/tvix/Cargo.nix b/tvix/Cargo.nix
index 4e6c037d0f..3e74c4776e 100644
--- a/tvix/Cargo.nix
+++ b/tvix/Cargo.nix
@@ -10381,6 +10381,11 @@ rec {
             packageId = "tracing";
           }
           {
+            name = "tracing-subscriber";
+            packageId = "tracing-subscriber";
+            features = [ "json" ];
+          }
+          {
             name = "tvix-build";
             packageId = "tvix-build";
           }