[INFO] cloning repository https://github.com/swaploard/sandbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/swaploard/sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswaploard%2Fsandbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswaploard%2Fsandbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c25376f6c56315e70beffdcaa0178ea9acb2fef
[INFO] checking swaploard/sandbox against try#f77b5bc6c7c84df104f86b0dd01d9490e3923fa8 for pr-147834
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswaploard%2Fsandbox" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/swaploard/sandbox
[INFO] finished tweaking git repo https://github.com/swaploard/sandbox
[INFO] tweaked toml for git repo https://github.com/swaploard/sandbox written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/swaploard/sandbox on toolchain f77b5bc6c7c84df104f86b0dd01d9490e3923fa8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/swaploard/sandbox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dcfef1c78a96d866dab459710fac292194122c26045e3652b807ed9cd0cfd9ac
[INFO] running `Command { std: "docker" "start" "-a" "dcfef1c78a96d866dab459710fac292194122c26045e3652b807ed9cd0cfd9ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcfef1c78a96d866dab459710fac292194122c26045e3652b807ed9cd0cfd9ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcfef1c78a96d866dab459710fac292194122c26045e3652b807ed9cd0cfd9ac", kill_on_drop: false }`
[INFO] [stdout] dcfef1c78a96d866dab459710fac292194122c26045e3652b807ed9cd0cfd9ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b92722e3b0746677cbd8c8754c74f8a1af386b5c3443cf9184d86b88970294a
[INFO] running `Command { std: "docker" "start" "-a" "0b92722e3b0746677cbd8c8754c74f8a1af386b5c3443cf9184d86b88970294a", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `params`
[INFO] [stdout]    --> src/security/capabilities.rs:480:39
[INFO] [stdout]     |
[INFO] [stdout] 480 |     fn verify(&self, operation: &str, params: &[&str]) -> Result<()> {
[INFO] [stdout]     |                                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_params`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `params`
[INFO] [stdout]    --> src/security/capabilities.rs:522:39
[INFO] [stdout]     |
[INFO] [stdout] 522 |     fn verify(&self, operation: &str, params: &[&str]) -> Result<()> {
[INFO] [stdout]     |                                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_params`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `message`
[INFO] [stdout]    --> src/communication/channels.rs:142:24
[INFO] [stdout]     |
[INFO] [stdout] 142 |     pub fn send(&self, message: &[u8]) -> Result<()> {
[INFO] [stdout]     |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/communication/rpc.rs:95:13
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let request = RpcRequest {
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `params`
[INFO] [stdout]    --> src/security/capabilities.rs:480:39
[INFO] [stdout]     |
[INFO] [stdout] 480 |     fn verify(&self, operation: &str, params: &[&str]) -> Result<()> {
[INFO] [stdout]     |                                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_params`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `params`
[INFO] [stdout]    --> src/security/capabilities.rs:522:39
[INFO] [stdout]     |
[INFO] [stdout] 522 |     fn verify(&self, operation: &str, params: &[&str]) -> Result<()> {
[INFO] [stdout]     |                                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_params`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `message`
[INFO] [stdout]    --> src/communication/channels.rs:142:24
[INFO] [stdout]     |
[INFO] [stdout] 142 |     pub fn send(&self, message: &[u8]) -> Result<()> {
[INFO] [stdout]     |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/communication/rpc.rs:95:13
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let request = RpcRequest {
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `threads`
[INFO] [stdout]    --> src/wrappers/http_server.rs:251:13
[INFO] [stdout]     |
[INFO] [stdout] 251 |         let threads = config.threads.unwrap_or(4);
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_threads`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timeout`
[INFO] [stdout]    --> src/wrappers/http_server.rs:252:13
[INFO] [stdout]     |
[INFO] [stdout] 252 |         let timeout = config.timeout_seconds.unwrap_or(30);
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timeout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tls_config`
[INFO] [stdout]    --> src/wrappers/http_server.rs:419:21
[INFO] [stdout]     |
[INFO] [stdout] 419 |         if let Some(tls_config) = &config.cors {
[INFO] [stdout]     |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tls_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `allowed_origins`
[INFO] [stdout]    --> src/wrappers/http_server.rs:461:17
[INFO] [stdout]     |
[INFO] [stdout] 461 |             let allowed_origins = cors_config.allowed_origins
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_allowed_origins`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `allowed_methods`
[INFO] [stdout]    --> src/wrappers/http_server.rs:467:17
[INFO] [stdout]     |
[INFO] [stdout] 467 |             let allowed_methods = cors_config.allowed_methods
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_allowed_methods`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `allowed_headers`
[INFO] [stdout]    --> src/wrappers/http_server.rs:473:17
[INFO] [stdout]     |
[INFO] [stdout] 473 |             let allowed_headers = cors_config.allowed_headers
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_allowed_headers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `app_path`
[INFO] [stdout]    --> src/wrappers/mcp_server.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 |         let app_path = spec.app_path.to_string_lossy();
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_app_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/wrappers/mcp_server.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |         let args = spec.arguments.join(", ");
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `threads`
[INFO] [stdout]    --> src/wrappers/http_server.rs:251:13
[INFO] [stdout]     |
[INFO] [stdout] 251 |         let threads = config.threads.unwrap_or(4);
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_threads`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timeout`
[INFO] [stdout]    --> src/wrappers/http_server.rs:252:13
[INFO] [stdout]     |
[INFO] [stdout] 252 |         let timeout = config.timeout_seconds.unwrap_or(30);
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timeout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tls_config`
[INFO] [stdout]    --> src/wrappers/http_server.rs:419:21
[INFO] [stdout]     |
[INFO] [stdout] 419 |         if let Some(tls_config) = &config.cors {
[INFO] [stdout]     |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tls_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `allowed_origins`
[INFO] [stdout]    --> src/wrappers/http_server.rs:461:17
[INFO] [stdout]     |
[INFO] [stdout] 461 |             let allowed_origins = cors_config.allowed_origins
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_allowed_origins`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `allowed_methods`
[INFO] [stdout]    --> src/wrappers/http_server.rs:467:17
[INFO] [stdout]     |
[INFO] [stdout] 467 |             let allowed_methods = cors_config.allowed_methods
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_allowed_methods`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `allowed_headers`
[INFO] [stdout]    --> src/wrappers/http_server.rs:473:17
[INFO] [stdout]     |
[INFO] [stdout] 473 |             let allowed_headers = cors_config.allowed_headers
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_allowed_headers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `app_path`
[INFO] [stdout]    --> src/wrappers/mcp_server.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 |         let app_path = spec.app_path.to_string_lossy();
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_app_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/wrappers/mcp_server.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |         let args = spec.arguments.join(", ");
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `options`
[INFO] [stdout]   --> src/compiler/wasi.rs:94:55
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn generate_wasi_wrapper(&self, wasm_path: &Path, options: &CompilerOptions) -> Result<PathBuf> {
[INFO] [stdout]    |                                                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `options`
[INFO] [stdout]   --> src/compiler/wasi.rs:94:55
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn generate_wasi_wrapper(&self, wasm_path: &Path, options: &CompilerOptions) -> Result<PathBuf> {
[INFO] [stdout]    |                                                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `module_id` is never read
[INFO] [stdout]    --> src/runtime/wasmtime.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub struct WasmtimeInstance {
[INFO] [stdout]     |            ---------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 115 |     module_id: ModuleId,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `host_to_guest`, `guest_to_host`, and `capacity` are never read
[INFO] [stdout]    --> src/communication/channels.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub struct GuestChannelInterface {
[INFO] [stdout]     |            --------------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 128 |     host_to_guest: VecDeque<Vec<u8>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 131 |     guest_to_host: VecDeque<Vec<u8>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 134 |     capacity: usize,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `channel` and `call_id` are never read
[INFO] [stdout]   --> src/communication/rpc.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct JsonRpcChannel {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 12 |     /// Communication channel
[INFO] [stdout] 13 |     channel: Arc<dyn CommunicationChannel>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     call_id: Mutex<u64>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `next_call_id`, `serialize`, and `deserialize` are never used
[INFO] [stdout]   --> src/communication/rpc.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl JsonRpcChannel {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn next_call_id(&self) -> u64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     fn serialize<T: Serialize>(&self, value: &T) -> Result<String> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     fn deserialize<T: DeserializeOwned>(&self, data: &str) -> Result<T> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/runtime/mod.rs:197:5
[INFO] [stdout]     |
[INFO] [stdout] 197 |     async fn call_function_json_async(
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout]     = note: `#[warn(async_fn_in_trait)]` on by default
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 197 ~     fn call_function_json_async(
[INFO] [stdout] 198 |         &self,
[INFO] [stdout] 199 |         function_name: &str,
[INFO] [stdout] 200 |         params_json: &str,
[INFO] [stdout] 201 ~     ) -> impl std::future::Future<Output = Result<String>> + Send;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/runtime/mod.rs:204:5
[INFO] [stdout]     |
[INFO] [stdout] 204 |     async fn call_function_msgpack_async(
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 204 ~     fn call_function_msgpack_async(
[INFO] [stdout] 205 |         &self,
[INFO] [stdout] 206 |         function_name: &str,
[INFO] [stdout] 207 |         params_msgpack: &[u8],
[INFO] [stdout] 208 ~     ) -> impl std::future::Future<Output = Result<Vec<u8>>> + Send;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/runtime/mod.rs:214:5
[INFO] [stdout]     |
[INFO] [stdout] 214 |     async fn call_function<P, R>(
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 214 ~     fn call_function<P, R>(
[INFO] [stdout] 215 |         &self,
[INFO] [stdout] 216 |         function_name: &str,
[INFO] [stdout] 217 |         params: &P,
[INFO] [stdout] 218 ~     ) -> impl std::future::Future<Output = Result<R>> + Send
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `module_id` is never read
[INFO] [stdout]    --> src/runtime/wasmtime.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub struct WasmtimeInstance {
[INFO] [stdout]     |            ---------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 115 |     module_id: ModuleId,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `host_to_guest`, `guest_to_host`, and `capacity` are never read
[INFO] [stdout]    --> src/communication/channels.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub struct GuestChannelInterface {
[INFO] [stdout]     |            --------------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 128 |     host_to_guest: VecDeque<Vec<u8>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 131 |     guest_to_host: VecDeque<Vec<u8>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 134 |     capacity: usize,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `channel` and `call_id` are never read
[INFO] [stdout]   --> src/communication/rpc.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct JsonRpcChannel {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 12 |     /// Communication channel
[INFO] [stdout] 13 |     channel: Arc<dyn CommunicationChannel>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     call_id: Mutex<u64>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `next_call_id`, `serialize`, and `deserialize` are never used
[INFO] [stdout]   --> src/communication/rpc.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl JsonRpcChannel {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn next_call_id(&self) -> u64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     fn serialize<T: Serialize>(&self, value: &T) -> Result<String> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     fn deserialize<T: DeserializeOwned>(&self, data: &str) -> Result<T> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/runtime/mod.rs:197:5
[INFO] [stdout]     |
[INFO] [stdout] 197 |     async fn call_function_json_async(
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout]     = note: `#[warn(async_fn_in_trait)]` on by default
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 197 ~     fn call_function_json_async(
[INFO] [stdout] 198 |         &self,
[INFO] [stdout] 199 |         function_name: &str,
[INFO] [stdout] 200 |         params_json: &str,
[INFO] [stdout] 201 ~     ) -> impl std::future::Future<Output = Result<String>> + Send;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/runtime/mod.rs:204:5
[INFO] [stdout]     |
[INFO] [stdout] 204 |     async fn call_function_msgpack_async(
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 204 ~     fn call_function_msgpack_async(
[INFO] [stdout] 205 |         &self,
[INFO] [stdout] 206 |         function_name: &str,
[INFO] [stdout] 207 |         params_msgpack: &[u8],
[INFO] [stdout] 208 ~     ) -> impl std::future::Future<Output = Result<Vec<u8>>> + Send;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/runtime/mod.rs:214:5
[INFO] [stdout]     |
[INFO] [stdout] 214 |     async fn call_function<P, R>(
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 214 ~     fn call_function<P, R>(
[INFO] [stdout] 215 |         &self,
[INFO] [stdout] 216 |         function_name: &str,
[INFO] [stdout] 217 |         params: &P,
[INFO] [stdout] 218 ~     ) -> impl std::future::Future<Output = Result<R>> + Send
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SandboxConfig`
[INFO] [stdout]  --> examples/http_server.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 |     WasmSandbox, SandboxConfig, InstanceConfig, 
[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: `SandboxConfig`
[INFO] [stdout]  --> examples/cli_wrapper.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 |     WasmSandbox, SandboxConfig, InstanceConfig, 
[INFO] [stdout]   |                  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 07s
[INFO] running `Command { std: "docker" "inspect" "0b92722e3b0746677cbd8c8754c74f8a1af386b5c3443cf9184d86b88970294a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b92722e3b0746677cbd8c8754c74f8a1af386b5c3443cf9184d86b88970294a", kill_on_drop: false }`
[INFO] [stdout] 0b92722e3b0746677cbd8c8754c74f8a1af386b5c3443cf9184d86b88970294a
