Hide regular backtrace information from user-facing errors

Author: oli-obk

ui_test/Cargo.toml

@@ -17,5 +17,5 @@ crossbeam = "0.8.1"
 lazy_static = "1.4.0"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
-color-eyre = "0.6.1"
+color-eyre = { version = "0.6.1", default-features = false, features = ["capture-spantrace"] }