Implemented tracing and agent sampling in sidecar

Author: bwoebi

.github/workflows/test.yml

@@ -31,12 +31,17 @@ jobs:
         run: cargo build --workspace --verbose
       - name: "[${{ steps.rust-version.outputs.version}}] cargo test --workspace --verbose"
         run: cargo test --workspace --verbose
+        env:
+          RUST_BACKTRACE: 1
       - name: "[${{ steps.rust-version.outputs.version}}] cargo test --workspace --verbose -- --ignored --test-threads=1"
         run: cargo test --workspace --verbose -- --ignored --test-threads=1
+        env:
+          RUST_BACKTRACE: 1
       - name: "[${{ steps.rust-version.outputs.version}}] RUSTFLAGS=\"-C prefer-dynamic\" cargo test --package test_spawn_from_lib --features prefer-dynamic -- --ignored"
         run: cargo test --package test_spawn_from_lib --features prefer-dynamic -- --ignored
         env:
-          RUSTFLAGS: "-C prefer-dynamic" 
+          RUSTFLAGS: "-C prefer-dynamic"
+          RUST_BACKTRACE: 1
   ffi:
     name: "FFI #${{ matrix.platform }} ${{ matrix.rust_version }}"
     runs-on: ${{ matrix.platform }}