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[INFO] checking langchain-0.2.2 against 5c543b0b8c73c7b72bc8284ced4fb22ead15734d for pr-160186
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[INFO] [stdout] warning: unused imports: `IntoUrl` and `RequestBuilder`
[INFO] [stdout]  --> src/openai_api/client.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use reqwest::{IntoUrl, RequestBuilder};
[INFO] [stdout]   |               ^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/openai_api/files.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HelperTemplate` and `Parameter`
[INFO] [stdout]  --> src/lib.rs:4:32
[INFO] [stdout]   |
[INFO] [stdout] 4 |     use handlebars::template::{HelperTemplate, Parameter, TemplateElement};
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RawWaker` and `Waker`
[INFO] [stdout]    --> src/lib.rs:153:36
[INFO] [stdout]     |
[INFO] [stdout] 153 |     use std::task::{Context, Poll, RawWaker, Waker};
[INFO] [stdout]     |                                    ^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IntoUrl` and `RequestBuilder`
[INFO] [stdout]  --> src/openai_api/client.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use reqwest::{IntoUrl, RequestBuilder};
[INFO] [stdout]   |               ^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/openai_api/files.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HelperTemplate` and `Parameter`
[INFO] [stdout]  --> src/lib.rs:4:32
[INFO] [stdout]   |
[INFO] [stdout] 4 |     use handlebars::template::{HelperTemplate, Parameter, TemplateElement};
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RawWaker` and `Waker`
[INFO] [stdout]    --> src/lib.rs:153:36
[INFO] [stdout]     |
[INFO] [stdout] 153 |     use std::task::{Context, Poll, RawWaker, Waker};
[INFO] [stdout]     |                                    ^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/lib.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 return bail!("Template must have a {{ question }} field");
[INFO] [stdout]    |                 ^^^^^^^--------------------------------------------------
[INFO] [stdout]    |                 |      |
[INFO] [stdout]    |                 |      any code following this expression is unreachable
[INFO] [stdout]    |                 unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/openai_api/client.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let request = client.0.get(server.url()).send().await;
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cx`
[INFO] [stdout]    --> src/lib.rs:168:34
[INFO] [stdout]     |
[INFO] [stdout] 168 |         fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
[INFO] [stdout]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_cx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cx`
[INFO] [stdout]    --> src/lib.rs:355:34
[INFO] [stdout]     |
[INFO] [stdout] 355 |         fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
[INFO] [stdout]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_cx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/lib.rs:393:24
[INFO] [stdout]     |
[INFO] [stdout] 393 |         fn init(&self, input: &str, memory: Option<Memory>) -> Memory {
[INFO] [stdout]     |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/lib.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 return bail!("Template must have a {{ question }} field");
[INFO] [stdout]    |                 ^^^^^^^--------------------------------------------------
[INFO] [stdout]    |                 |      |
[INFO] [stdout]    |                 |      any code following this expression is unreachable
[INFO] [stdout]    |                 unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:651:17
[INFO] [stdout]     |
[INFO] [stdout] 651 |             let mut chain = Chain::default().model(Chat::new(
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `prompt_tokens`, `completion_tokens`, and `total_tokens` are never read
[INFO] [stdout]   --> src/openai_api/chat.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct Usage {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout]  9 |     pub prompt_tokens: i64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 10 |     pub completion_tokens: i64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 11 |     pub total_tokens: i64,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Usage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `index` and `finish_reason` are never read
[INFO] [stdout]   --> src/openai_api/chat.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct Choice {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 42 |     pub index: i64,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 43 |     pub message: Message<'static>,
[INFO] [stdout] 44 |     pub finish_reason: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Choice` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `object`, `created`, and `usage` are never read
[INFO] [stdout]   --> src/openai_api/chat.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct Chat {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 49 |     pub id: String,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 50 |     pub object: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 51 |     pub created: i64,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 52 |     pub choices: Vec<Choice>,
[INFO] [stdout] 53 |     pub usage: Usage,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Chat` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Usage` is never constructed
[INFO] [stdout]  --> src/openai_api/embeddings.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Usage {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Embedding` is never constructed
[INFO] [stdout]   --> src/openai_api/embeddings.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Embedding {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Embeddings` is never constructed
[INFO] [stdout]   --> src/openai_api/embeddings.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Embeddings {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EmbeddingRequest` is never constructed
[INFO] [stdout]   --> src/openai_api/embeddings.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct EmbeddingRequest {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `object`, `bytes`, `created_at`, `filename`, and `purpose` are never read
[INFO] [stdout]   --> src/openai_api/files.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct FileObject {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 47 |     pub id: String,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 48 |     pub object: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 49 |     pub bytes: i64,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 50 |     pub created_at: i64,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 51 |     pub filename: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 52 |     pub purpose: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FineTuningRequest` is never constructed
[INFO] [stdout]  --> src/openai_api/fine_tuning.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct FineTuningRequest {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FineTuneResponse` is never constructed
[INFO] [stdout]   --> src/openai_api/fine_tuning.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub struct FineTuneResponse {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FineTuneEvent` is never constructed
[INFO] [stdout]   --> src/openai_api/fine_tuning.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | struct FineTuneEvent {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hyperparams` is never constructed
[INFO] [stdout]   --> src/openai_api/fine_tuning.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 97 | struct Hyperparams {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TrainingFile` is never constructed
[INFO] [stdout]    --> src/openai_api/fine_tuning.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 | struct TrainingFile {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> src/lib.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |     pub struct Agent {
[INFO] [stdout]     |                ----- field in this struct
[INFO] [stdout] 157 |         name: Option<String>,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ToolError` is never used
[INFO] [stdout]    --> src/lib.rs:268:14
[INFO] [stdout]     |
[INFO] [stdout] 268 |     pub enum ToolError {
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `run` is never used
[INFO] [stdout]    --> src/lib.rs:277:18
[INFO] [stdout]     |
[INFO] [stdout] 274 |     pub trait Tool {
[INFO] [stdout]     |               ---- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 277 |         async fn run(&self, input: &str) -> Result<ToolOperation, ToolError>;
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ToolOperation` is never constructed
[INFO] [stdout]    --> src/lib.rs:281:16
[INFO] [stdout]     |
[INFO] [stdout] 281 |     pub struct ToolOperation {
[INFO] [stdout]     |                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Ada`, `Babbage`, `Curie`, `Davinci`, and `Gpt4` are never constructed
[INFO] [stdout]    --> src/lib.rs:415:13
[INFO] [stdout]     |
[INFO] [stdout] 414 |         pub enum ModelType {
[INFO] [stdout]     |                  --------- variants in this enum
[INFO] [stdout] 415 |             Ada,
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 416 |             Babbage,
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout] 417 |             Curie,
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 418 |             Davinci,
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout] 419 |             Gpt35Turbo,
[INFO] [stdout] 420 |             Gpt4,
[INFO] [stdout]     |             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cx`
[INFO] [stdout]    --> src/lib.rs:168:34
[INFO] [stdout]     |
[INFO] [stdout] 168 |         fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
[INFO] [stdout]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_cx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cx`
[INFO] [stdout]    --> src/lib.rs:355:34
[INFO] [stdout]     |
[INFO] [stdout] 355 |         fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
[INFO] [stdout]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_cx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/lib.rs:393:24
[INFO] [stdout]     |
[INFO] [stdout] 393 |         fn init(&self, input: &str, memory: Option<Memory>) -> Memory {
[INFO] [stdout]     |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Usage` is never constructed
[INFO] [stdout]  --> src/openai_api/chat.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Usage {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Role` is never used
[INFO] [stdout]   --> src/openai_api/chat.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub enum Role {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Message` is never constructed
[INFO] [stdout]   --> src/openai_api/chat.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct Message<'a> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Choice` is never constructed
[INFO] [stdout]   --> src/openai_api/chat.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct Choice {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Chat` is never constructed
[INFO] [stdout]   --> src/openai_api/chat.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct Chat {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ChatRequest` is never constructed
[INFO] [stdout]   --> src/openai_api/chat.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub struct ChatRequest<'a> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Client` is never constructed
[INFO] [stdout]  --> src/openai_api/client.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Client(reqwest::Client);
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ClientBuildError` is never constructed
[INFO] [stdout]   --> src/openai_api/client.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct ClientBuildError(#[from] eyre::Report);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RequestError` is never constructed
[INFO] [stdout]   --> src/openai_api/client.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct RequestError(#[from] eyre::Report);
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `request` are never used
[INFO] [stdout]   --> src/openai_api/client.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Client {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 17 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub async fn request<T: OpenAIRequest>(&self, req: T) -> Result<T::Response, RequestError> {
[INFO] [stdout]    |                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `OpenAIRequest` is never used
[INFO] [stdout]   --> src/openai_api/client.rs:61:11
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub trait OpenAIRequest: Serialize {
[INFO] [stdout]    |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Usage` is never constructed
[INFO] [stdout]  --> src/openai_api/embeddings.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Usage {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Embedding` is never constructed
[INFO] [stdout]   --> src/openai_api/embeddings.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Embedding {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Embeddings` is never constructed
[INFO] [stdout]   --> src/openai_api/embeddings.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Embeddings {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EmbeddingRequest` is never constructed
[INFO] [stdout]   --> src/openai_api/embeddings.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct EmbeddingRequest {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `FilePayload` is never used
[INFO] [stdout]  --> src/openai_api/files.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum FilePayload<'a> {
[INFO] [stdout]   |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FileObject` is never constructed
[INFO] [stdout]   --> src/openai_api/files.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct FileObject {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FineTuningRequest` is never constructed
[INFO] [stdout]  --> src/openai_api/fine_tuning.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct FineTuningRequest {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FineTuneResponse` is never constructed
[INFO] [stdout]   --> src/openai_api/fine_tuning.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub struct FineTuneResponse {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FineTuneEvent` is never constructed
[INFO] [stdout]   --> src/openai_api/fine_tuning.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | struct FineTuneEvent {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hyperparams` is never constructed
[INFO] [stdout]   --> src/openai_api/fine_tuning.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 97 | struct Hyperparams {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TrainingFile` is never constructed
[INFO] [stdout]    --> src/openai_api/fine_tuning.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 | struct TrainingFile {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> src/lib.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |     pub struct Agent {
[INFO] [stdout]     |                ----- field in this struct
[INFO] [stdout] 157 |         name: Option<String>,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ToolError` is never used
[INFO] [stdout]    --> src/lib.rs:268:14
[INFO] [stdout]     |
[INFO] [stdout] 268 |     pub enum ToolError {
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `run` is never used
[INFO] [stdout]    --> src/lib.rs:277:18
[INFO] [stdout]     |
[INFO] [stdout] 274 |     pub trait Tool {
[INFO] [stdout]     |               ---- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 277 |         async fn run(&self, input: &str) -> Result<ToolOperation, ToolError>;
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ToolOperation` is never constructed
[INFO] [stdout]    --> src/lib.rs:281:16
[INFO] [stdout]     |
[INFO] [stdout] 281 |     pub struct ToolOperation {
[INFO] [stdout]     |                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ModelType` is never used
[INFO] [stdout]    --> src/lib.rs:414:18
[INFO] [stdout]     |
[INFO] [stdout] 414 |         pub enum ModelType {
[INFO] [stdout]     |                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_string` is never used
[INFO] [stdout]    --> src/lib.rs:424:16
[INFO] [stdout]     |
[INFO] [stdout] 423 |         impl ModelType {
[INFO] [stdout]     |         -------------- method in this implementation
[INFO] [stdout] 424 |             fn to_string(&self) -> String {
[INFO] [stdout]     |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Chat` is never constructed
[INFO] [stdout]    --> src/lib.rs:436:20
[INFO] [stdout]     |
[INFO] [stdout] 436 |         pub struct Chat {
[INFO] [stdout]     |                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/lib.rs:443:20
[INFO] [stdout]     |
[INFO] [stdout] 442 |         impl Chat {
[INFO] [stdout]     |         --------- associated function in this implementation
[INFO] [stdout] 443 |             pub fn new(
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `mustache`
[INFO] [stderr]   --> Cargo.toml:10:15
[INFO] [stderr]    |
[INFO] [stderr] 10 | [dependencies.mustache]
[INFO] [stderr]    |               ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `mustache`
[INFO] [stderr] warning: `langchain` (manifest) generated 1 warning
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.13s
[INFO] running `Command { std: "docker" "inspect" "9a7d37306d55770b1c595a31cca7ec3fc6ab2c0ea99ab87727f038652e5f1f36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a7d37306d55770b1c595a31cca7ec3fc6ab2c0ea99ab87727f038652e5f1f36", kill_on_drop: false }`
[INFO] [stdout] 9a7d37306d55770b1c595a31cca7ec3fc6ab2c0ea99ab87727f038652e5f1f36
