diff --git a/engine/Cargo.lock b/engine/Cargo.lock
index fd95a5f29..a2c0ea492 100644
--- a/engine/Cargo.lock
+++ b/engine/Cargo.lock
@@ -932,6 +932,7 @@ dependencies = [
  "axum-extra",
  "baml-types",
  "base64 0.22.1",
+ "btrace",
  "bytes",
  "cfg-if",
  "chrono",
@@ -971,7 +972,6 @@ dependencies = [
  "mime",
  "mime_guess",
  "minijinja",
- "nonempty",
  "notify-debouncer-full",
  "pin-project-lite",
  "pretty_assertions",
@@ -3217,12 +3217,6 @@ dependencies = [
  "minimal-lexical",
 ]
 
-[[package]]
-name = "nonempty"
-version = "0.11.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "549e471b99ccaf2f89101bec68f4d244457d5a95a9c3d0672e9564124397741d"
-
 [[package]]
 name = "notify"
 version = "6.1.1"
diff --git a/engine/Cargo.toml b/engine/Cargo.toml
index 159e1cd0b..78c2e51f1 100644
--- a/engine/Cargo.toml
+++ b/engine/Cargo.toml
@@ -35,8 +35,10 @@ anyhow = "1.0"
 array-macro = "2"
 askama = "0.12.1"
 baml-cli = { path = "cli" }
+baml-types = { path = "baml-lib/baml-types" }
 base64 = "0.22.1"
 bstd = { path = "bstd" }
+btrace = { path = "btrace" }
 bytes = "1.6.0"
 cfg-if = "1.0.0"
 clap = { version = "4.4.6", features = ["cargo", "derive"] }
@@ -50,6 +52,12 @@ http = "1.1.0"
 http-body = "1.0.0"
 indexmap = { version = "2.1.0", features = ["serde"] }
 indoc = "2.0.5"
+jsonish = { path = "baml-lib/jsonish" }
+internal-baml-codegen = { path = "language_client_codegen" }
+internal-baml-core = { path = "baml-lib/baml-core" }
+internal-baml-jinja = { path = "baml-lib/jinja-runtime" }
+internal-baml-schema-ast = { path = "baml-lib/schema-ast" }
+internal-llm-client = { path = "baml-lib/llm-client" }
 log = "0.4.20"
 # TODO: disable imports, etc
 minijinja = { version = "1.0.16", default-features = false, features = [
@@ -92,11 +100,6 @@ uuid = { version = "1.8.0", features = ["v4", "v7", "serde"] }
 walkdir = "2.5.0"
 web-time = "1.1.0"
 
-baml-types = { path = "baml-lib/baml-types" }
-internal-baml-codegen = { path = "language_client_codegen" }
-internal-baml-core = { path = "baml-lib/baml-core" }
-internal-baml-jinja = { path = "baml-lib/jinja" }
-internal-baml-schema-ast = { path = "baml-lib/schema-ast" }
 
 [workspace.package]
 version = "0.70.1"
diff --git a/engine/baml-runtime/Cargo.toml b/engine/baml-runtime/Cargo.toml
index e4433314b..fc08dd52e 100644
--- a/engine/baml-runtime/Cargo.toml
+++ b/engine/baml-runtime/Cargo.toml
@@ -20,6 +20,7 @@ unused_variables = "allow"
 [dependencies]
 anyhow.workspace = true
 base64.workspace = true
+btrace.workspace = true
 bytes.workspace = true
 cfg-if.workspace = true
 clap.workspace = true
@@ -37,15 +38,14 @@ indexmap.workspace = true
 indoc.workspace = true
 # instant = "0.1"  # do not use this or wasm-timer - use web-time instead
 json_comments = "0.2.2"
-jsonish = { path = "../baml-lib/jsonish" }
+jsonish.workspace = true
 internal-baml-codegen.workspace = true
-baml-types = { path = "../baml-lib/baml-types" }
-internal-llm-client = { path = "../baml-lib/llm-client" }
-internal-baml-core = { path = "../baml-lib/baml-core" }
-internal-baml-jinja = { path = "../baml-lib/jinja-runtime" }
+baml-types.workspace = true
+internal-llm-client.workspace = true
+internal-baml-core.workspace = true
+internal-baml-jinja.workspace = true
 log.workspace = true
 minijinja.workspace = true
-nonempty = "0.11.0"
 pin-project-lite.workspace = true
 reqwest-eventsource = "0.6.0"
 scopeguard.workspace = true
diff --git a/engine/baml-runtime/src/internal/llm_client/orchestrator/mod.rs b/engine/baml-runtime/src/internal/llm_client/orchestrator/mod.rs
index 8a9238b60..ff4111c38 100644
--- a/engine/baml-runtime/src/internal/llm_client/orchestrator/mod.rs
+++ b/engine/baml-runtime/src/internal/llm_client/orchestrator/mod.rs
@@ -4,7 +4,7 @@ mod stream;
 use serde_json::json;
 use web_time::Duration; // Add this line
 
-use crate::btrace::WithTraceContext;
+use btrace::WithTraceContext;
 use crate::RenderCurlSettings;
 use crate::{
     internal::prompt_renderer::PromptRenderer, runtime_interface::InternalClientLookup,
diff --git a/engine/baml-runtime/src/internal/llm_client/orchestrator/stream.rs b/engine/baml-runtime/src/internal/llm_client/orchestrator/stream.rs
index 8561c9424..91570b06a 100644
--- a/engine/baml-runtime/src/internal/llm_client/orchestrator/stream.rs
+++ b/engine/baml-runtime/src/internal/llm_client/orchestrator/stream.rs
@@ -1,13 +1,13 @@
 use anyhow::Result;
 use async_std::stream::StreamExt;
 use baml_types::BamlValue;
+use btrace::WithTraceContext;
 use internal_baml_core::ir::repr::IntermediateRepr;
 use jsonish::BamlValueWithFlags;
 use serde_json::json;
 use web_time::Duration;
 
 use crate::{
-    btrace::{self, WithTraceContext},
     internal::{
         llm_client::{
             parsed_value_to_response,
diff --git a/engine/baml-runtime/src/internal/llm_client/primitive/anthropic/anthropic_client.rs b/engine/baml-runtime/src/internal/llm_client/primitive/anthropic/anthropic_client.rs
index f947c412a..1109b8642 100644
--- a/engine/baml-runtime/src/internal/llm_client/primitive/anthropic/anthropic_client.rs
+++ b/engine/baml-runtime/src/internal/llm_client/primitive/anthropic/anthropic_client.rs
@@ -1,10 +1,8 @@
-use crate::{
-    btrace::{self, WithTraceContext},
-    internal::llm_client::{
-        traits::{ToProviderMessage, ToProviderMessageExt, WithClientProperties},
-        ResolveMediaUrls,
-    },
+use crate::internal::llm_client::{
+    traits::{ToProviderMessage, ToProviderMessageExt, WithClientProperties},
+    ResolveMediaUrls,
 };
+use btrace::WithTraceContext;
 use std::collections::HashMap;
 
 use anyhow::{Context, Result};
diff --git a/engine/baml-runtime/src/internal/llm_client/primitive/aws/aws_client.rs b/engine/baml-runtime/src/internal/llm_client/primitive/aws/aws_client.rs
index 55217f654..2140691fb 100644
--- a/engine/baml-runtime/src/internal/llm_client/primitive/aws/aws_client.rs
+++ b/engine/baml-runtime/src/internal/llm_client/primitive/aws/aws_client.rs
@@ -23,7 +23,6 @@ use serde_json::{json, Map};
 use web_time::Instant;
 use web_time::SystemTime;
 
-use crate::btrace::WithTraceContext;
 use crate::client_registry::ClientProperty;
 use crate::internal::llm_client::traits::{ToProviderMessageExt, WithClientProperties};
 use crate::internal::llm_client::{
@@ -35,8 +34,9 @@ use crate::internal::llm_client::{
     ErrorCode, LLMCompleteResponse, LLMCompleteResponseMetadata, LLMErrorResponse, LLMResponse,
     ModelFeatures, ResolveMediaUrls,
 };
+use btrace::WithTraceContext;
 
-use crate::{btrace, RenderCurlSettings, RuntimeContext};
+use crate::{RenderCurlSettings, RuntimeContext};
 
 // represents client that interacts with the Anthropic API
 pub struct AwsClient {
diff --git a/engine/baml-runtime/src/internal/llm_client/primitive/google/googleai_client.rs b/engine/baml-runtime/src/internal/llm_client/primitive/google/googleai_client.rs
index 7002c3d60..d7c785371 100644
--- a/engine/baml-runtime/src/internal/llm_client/primitive/google/googleai_client.rs
+++ b/engine/baml-runtime/src/internal/llm_client/primitive/google/googleai_client.rs
@@ -1,10 +1,9 @@
-use crate::btrace::WithTraceContext;
 use crate::client_registry::ClientProperty;
 use crate::internal::llm_client::traits::{
     ToProviderMessage, ToProviderMessageExt, WithClientProperties,
 };
 use crate::internal::llm_client::ResolveMediaUrls;
-use crate::{btrace, RuntimeContext};
+use crate::RuntimeContext;
 use crate::{
     internal::llm_client::{
         primitive::{
@@ -22,6 +21,7 @@ use crate::{
 };
 use anyhow::{Context, Result};
 use baml_types::{BamlMap, BamlMedia, BamlMediaContent};
+use btrace::WithTraceContext;
 use eventsource_stream::Eventsource;
 use futures::StreamExt;
 use http::header;
diff --git a/engine/baml-runtime/src/internal/llm_client/primitive/openai/openai_client.rs b/engine/baml-runtime/src/internal/llm_client/primitive/openai/openai_client.rs
index 6b0b86ec2..0c9a2c129 100644
--- a/engine/baml-runtime/src/internal/llm_client/primitive/openai/openai_client.rs
+++ b/engine/baml-runtime/src/internal/llm_client/primitive/openai/openai_client.rs
@@ -1,9 +1,9 @@
 use std::collections::HashMap;
 
-use crate::btrace::WithTraceContext;
 use crate::internal::llm_client::ResolveMediaUrls;
 use anyhow::Result;
 use baml_types::{BamlMap, BamlMedia, BamlMediaContent, BamlMediaType};
+use btrace::WithTraceContext;
 use internal_baml_core::ir::ClientWalker;
 use internal_baml_jinja::{ChatMessagePart, RenderContext_Client, RenderedChatMessage};
 use internal_llm_client::openai::ResolvedOpenAI;
@@ -31,7 +31,7 @@ use crate::internal::llm_client::{
 };
 
 use crate::request::create_client;
-use crate::{btrace, RuntimeContext};
+use crate::RuntimeContext;
 use eventsource_stream::Eventsource;
 use futures::StreamExt;
 
diff --git a/engine/baml-runtime/src/internal/llm_client/primitive/vertex/vertex_client.rs b/engine/baml-runtime/src/internal/llm_client/primitive/vertex/vertex_client.rs
index 3825c658b..7c1a2c05c 100644
--- a/engine/baml-runtime/src/internal/llm_client/primitive/vertex/vertex_client.rs
+++ b/engine/baml-runtime/src/internal/llm_client/primitive/vertex/vertex_client.rs
@@ -1,4 +1,3 @@
-use crate::btrace::WithTraceContext;
 use crate::client_registry::ClientProperty;
 use crate::internal::llm_client::traits::{
     ToProviderMessage, ToProviderMessageExt, WithClientProperties,
@@ -6,7 +5,7 @@ use crate::internal::llm_client::traits::{
 use crate::internal::llm_client::ResolveMediaUrls;
 #[cfg(target_arch = "wasm32")]
 use crate::internal::wasm_jwt::{encode_jwt, JwtError};
-use crate::{btrace, RuntimeContext};
+use crate::RuntimeContext;
 use crate::{
     internal::llm_client::{
         primitive::{
@@ -23,6 +22,7 @@ use crate::{
     request::create_client,
 };
 use anyhow::{Context, Result};
+use btrace::WithTraceContext;
 use chrono::{Duration, Utc};
 use futures::StreamExt;
 use internal_llm_client::vertex::{ResolvedServiceAccountDetails, ResolvedVertex, ServiceAccount};
diff --git a/engine/baml-runtime/src/internal/llm_client/traits/mod.rs b/engine/baml-runtime/src/internal/llm_client/traits/mod.rs
index 759020506..b7e0e36f5 100644
--- a/engine/baml-runtime/src/internal/llm_client/traits/mod.rs
+++ b/engine/baml-runtime/src/internal/llm_client/traits/mod.rs
@@ -12,10 +12,11 @@ pub use self::{
     completion::{WithCompletion, WithNoCompletion, WithStreamCompletion},
 };
 use super::{primitive::request::RequestBuilder, LLMResponse, ModelFeatures};
-use crate::{btrace::WithTraceContext, internal::llm_client::ResolveMediaUrls, RenderCurlSettings};
+use crate::{internal::llm_client::ResolveMediaUrls, RenderCurlSettings};
 use crate::{internal::prompt_renderer::PromptRenderer, RuntimeContext};
 use baml_types::{BamlMedia, BamlMediaContent, BamlMediaType, BamlValue, MediaBase64, MediaUrl};
 use base64::{prelude::BASE64_STANDARD, Engine};
+use btrace::WithTraceContext;
 use futures::stream::StreamExt;
 use infer;
 use internal_baml_core::ir::repr::IntermediateRepr;
diff --git a/engine/baml-runtime/src/lib.rs b/engine/baml-runtime/src/lib.rs
index 677267030..ec6295d7b 100644
--- a/engine/baml-runtime/src/lib.rs
+++ b/engine/baml-runtime/src/lib.rs
@@ -5,7 +5,6 @@ pub mod internal;
 #[cfg(not(feature = "internal"))]
 pub(crate) mod internal;
 
-pub mod btrace;
 #[cfg(not(target_arch = "wasm32"))]
 pub mod cli;
 pub mod client_registry;
diff --git a/engine/baml-runtime/src/runtime/runtime_interface.rs b/engine/baml-runtime/src/runtime/runtime_interface.rs
index 59f3188ac..68e3292ce 100644
--- a/engine/baml-runtime/src/runtime/runtime_interface.rs
+++ b/engine/baml-runtime/src/runtime/runtime_interface.rs
@@ -1,7 +1,6 @@
 use std::{collections::HashMap, path::PathBuf, sync::Arc};
 
 use super::InternalBamlRuntime;
-use crate::btrace;
 use crate::internal::llm_client::traits::WithClientProperties;
 use crate::internal::llm_client::LLMResponse;
 use crate::{
diff --git a/engine/baml-runtime/src/runtime_interface.rs b/engine/baml-runtime/src/runtime_interface.rs
index 2d72648fc..8202c2d00 100644
--- a/engine/baml-runtime/src/runtime_interface.rs
+++ b/engine/baml-runtime/src/runtime_interface.rs
@@ -10,13 +10,13 @@ use crate::internal::llm_client::llm_provider::LLMProvider;
 use crate::internal::llm_client::orchestrator::{OrchestrationScope, OrchestratorNode};
 use crate::tracing::{BamlTracer, TracingSpan};
 use crate::types::on_log_event::LogEventCallbackSync;
-use crate::{btrace, RenderCurlSettings, RuntimeContextManager};
 use crate::{
     internal::{ir_features::IrFeatures, llm_client::retry_policy::CallablePolicy},
     runtime::InternalBamlRuntime,
     types::FunctionResultStream,
     FunctionResult, RuntimeContext,
 };
+use crate::{RenderCurlSettings, RuntimeContextManager};
 
 pub(crate) trait RuntimeConstructor {
     #[cfg(not(target_arch = "wasm32"))]
diff --git a/engine/baml-runtime/src/types/stream.rs b/engine/baml-runtime/src/types/stream.rs
index fbc34866f..79ae64133 100644
--- a/engine/baml-runtime/src/types/stream.rs
+++ b/engine/baml-runtime/src/types/stream.rs
@@ -6,7 +6,6 @@ use serde_json::json;
 use std::sync::Arc;
 
 use crate::{
-    btrace::{self, WithTraceContext},
     client_registry::ClientRegistry,
     internal::{
         llm_client::orchestrator::{orchestrate_stream, OrchestratorNodeIterator},
@@ -16,6 +15,7 @@ use crate::{
     type_builder::TypeBuilder,
     FunctionResult, RuntimeContextManager,
 };
+use btrace::WithTraceContext;
 
 /// Wrapper that holds a stream of responses from a BAML function call.
 ///
diff --git a/engine/btrace/Cargo.toml b/engine/btrace/Cargo.toml
index ba936e60b..c1bce32db 100644
--- a/engine/btrace/Cargo.toml
+++ b/engine/btrace/Cargo.toml
@@ -13,7 +13,7 @@ crate-type = ["cdylib", "rlib"]
 RSTEST_TIMEOUT = "10"
 
 [lints.rust]
-dead_code = "deny"
+dead_code = "warn"
 unused_imports = "deny"
 unused_variables = "deny"
 
diff --git a/engine/btrace/tracer_thread.rs b/engine/btrace/src/tracer_thread.rs
similarity index 98%
rename from engine/btrace/tracer_thread.rs
rename to engine/btrace/src/tracer_thread.rs
index 46492868f..81b6bef4f 100644
--- a/engine/btrace/tracer_thread.rs
+++ b/engine/btrace/src/tracer_thread.rs
@@ -1,5 +1,3 @@
-use crate::btrace::InstrumentationScope;
-
 use super::TraceEvent;
 pub struct TracerThread {
     rx: tokio::sync::mpsc::UnboundedReceiver<TraceEvent>,