[INFO] fetching crate flyer 0.0.32...
[INFO] checking flyer-0.0.32 against try#f77b5bc6c7c84df104f86b0dd01d9490e3923fa8 for pr-147834
[INFO] extracting crate flyer 0.0.32 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate flyer 0.0.32
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate flyer 0.0.32
[INFO] tweaked toml for crates.io crate flyer 0.0.32 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate flyer 0.0.32 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 crates.io crate flyer 0.0.32 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 }`
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[INFO] [stdout] 1f2e275ab571be11b4d3f52e3508b6659da49cc96c8391acfbef9e5b58b607cc
[INFO] running `Command { std: "docker" "start" "-a" "1f2e275ab571be11b4d3f52e3508b6659da49cc96c8391acfbef9e5b58b607cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f2e275ab571be11b4d3f52e3508b6659da49cc96c8391acfbef9e5b58b607cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f2e275ab571be11b4d3f52e3508b6659da49cc96c8391acfbef9e5b58b607cc", kill_on_drop: false }`
[INFO] [stdout] 1f2e275ab571be11b4d3f52e3508b6659da49cc96c8391acfbef9e5b58b607cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 13e99990cb5f8fa332d17cdeec9e65a793e022ad1e53b76c541a9f33453ce269
[INFO] running `Command { std: "docker" "start" "-a" "13e99990cb5f8fa332d17cdeec9e65a793e022ad1e53b76c541a9f33453ce269", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `mem::take`
[INFO] [stdout]  --> src/utils/mod.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, mem::take};
[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 imports: `request::Request`, `response::Response`, `view::new_view`, and `ws::Ws`
[INFO] [stdout]   --> src/server/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     request::Request, response::Response, view::new_view, ws::Ws, HTTP
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `base64::encode`: Use Engine::encode
[INFO] [stdout]    --> src/server/handler/http1.rs:165:24
[INFO] [stdout]     |
[INFO] [stdout] 165 |         return base64::encode(&result)
[INFO] [stdout]     |                        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mem::take`
[INFO] [stdout]  --> src/utils/mod.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, mem::take};
[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 imports: `request::Request`, `response::Response`, `view::new_view`, and `ws::Ws`
[INFO] [stdout]   --> src/server/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     request::Request, response::Response, view::new_view, ws::Ws, HTTP
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `base64::encode`: Use Engine::encode
[INFO] [stdout]    --> src/server/handler/http1.rs:165:24
[INFO] [stdout]     |
[INFO] [stdout] 165 |         return base64::encode(&result)
[INFO] [stdout]     |                        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/ws.rs:38:35
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub async fn write(&mut self, data: Vec<u8>) {
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `json`
[INFO] [stdout]   --> src/ws.rs:41:43
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub async fn write_json<J>(&mut self, json: &J)
[INFO] [stdout]    |                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/ws.rs:47:42
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub async fn write_binary(&mut self, data: Vec<u8>) {
[INFO] [stdout]    |                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/session/cookie.rs:36:26
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn handle<'a>(&self, req: &'a mut Request, res: &'a mut Response) -> Box<dyn Session + 'a> {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/session/cookie.rs:36:48
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn handle<'a>(&self, req: &'a mut Request, res: &'a mut Response) -> Box<dyn Session + 'a> {
[INFO] [stdout]    |                                                ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/session/cookie.rs:44:19
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn set(&self, key: &str, value: &str) {
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/session/cookie.rs:44:30
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn set(&self, key: &str, value: &str) {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/session/cookie.rs:48:19
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn get(&self, key: &str) -> String {
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]    --> src/server/handler/http1.rs:182:14
[INFO] [stdout]     |
[INFO] [stdout] 182 |         let (writer, mut stream) = WebSocketStream::from_raw_socket(sender, Server, None).await.split();
[INFO] [stdout]     |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/ws.rs:38:35
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub async fn write(&mut self, data: Vec<u8>) {
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `json`
[INFO] [stdout]   --> src/ws.rs:41:43
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub async fn write_json<J>(&mut self, json: &J)
[INFO] [stdout]    |                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/ws.rs:47:42
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub async fn write_binary(&mut self, data: Vec<u8>) {
[INFO] [stdout]    |                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `http`
[INFO] [stdout]   --> src/server/handler/mod.rs:48:15
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn ws(http: &'a mut HTTP, req: &'a mut Request, ws: &'a mut Ws) -> IOResult<()> {
[INFO] [stdout]    |               ^^^^ help: if this is intentional, prefix it with an underscore: `_http`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/server/handler/mod.rs:48:35
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn ws(http: &'a mut HTTP, req: &'a mut Request, ws: &'a mut Ws) -> IOResult<()> {
[INFO] [stdout]    |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ws`
[INFO] [stdout]   --> src/server/handler/mod.rs:48:57
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn ws(http: &'a mut HTTP, req: &'a mut Request, ws: &'a mut Ws) -> IOResult<()> {
[INFO] [stdout]    |                                                         ^^ help: if this is intentional, prefix it with an underscore: `_ws`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `writer` is never read
[INFO] [stdout]   --> src/ws.rs:31:16
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Write<'a, R> {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 31 |     pub(crate) writer: SplitSink<WebSocketStream<Pin<&'a mut BufReader<R>>>, Message>,
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:120:19
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn router(&mut self) -> Router {
[INFO] [stdout]     |                   ^^^^^^^^^     ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn router(&mut self) -> Router<'_> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/server/tcp.rs:77:21
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn get_protocol(&mut self, buffer: &[u8]) -> Protocol
[INFO] [stdout]    |                     ^^^^^^^^^                    ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn get_protocol(&mut self, buffer: &[u8]) -> Protocol<'_>
[INFO] [stdout]    |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/session/cookie.rs:36:26
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn handle<'a>(&self, req: &'a mut Request, res: &'a mut Response) -> Box<dyn Session + 'a> {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/session/cookie.rs:36:48
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn handle<'a>(&self, req: &'a mut Request, res: &'a mut Response) -> Box<dyn Session + 'a> {
[INFO] [stdout]    |                                                ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/session/cookie.rs:44:19
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn set(&self, key: &str, value: &str) {
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/session/cookie.rs:44:30
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn set(&self, key: &str, value: &str) {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/session/cookie.rs:48:19
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn get(&self, key: &str) -> String {
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]    --> src/server/handler/http1.rs:182:14
[INFO] [stdout]     |
[INFO] [stdout] 182 |         let (writer, mut stream) = WebSocketStream::from_raw_socket(sender, Server, None).await.split();
[INFO] [stdout]     |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `http`
[INFO] [stdout]   --> src/server/handler/mod.rs:48:15
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn ws(http: &'a mut HTTP, req: &'a mut Request, ws: &'a mut Ws) -> IOResult<()> {
[INFO] [stdout]    |               ^^^^ help: if this is intentional, prefix it with an underscore: `_http`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/server/handler/mod.rs:48:35
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn ws(http: &'a mut HTTP, req: &'a mut Request, ws: &'a mut Ws) -> IOResult<()> {
[INFO] [stdout]    |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ws`
[INFO] [stdout]   --> src/server/handler/mod.rs:48:57
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn ws(http: &'a mut HTTP, req: &'a mut Request, ws: &'a mut Ws) -> IOResult<()> {
[INFO] [stdout]    |                                                         ^^ help: if this is intentional, prefix it with an underscore: `_ws`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `writer` is never read
[INFO] [stdout]   --> src/ws.rs:31:16
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Write<'a, R> {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 31 |     pub(crate) writer: SplitSink<WebSocketStream<Pin<&'a mut BufReader<R>>>, Message>,
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:120:19
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn router(&mut self) -> Router {
[INFO] [stdout]     |                   ^^^^^^^^^     ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn router(&mut self) -> Router<'_> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/server/tcp.rs:77:21
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn get_protocol(&mut self, buffer: &[u8]) -> Protocol
[INFO] [stdout]    |                     ^^^^^^^^^                    ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn get_protocol(&mut self, buffer: &[u8]) -> Protocol<'_>
[INFO] [stdout]    |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]  --> examples/websocket/main.rs:7:30
[INFO] [stdout]   |
[INFO] [stdout] 7 |     server.router().ws("/", |req, ws| {
[INFO] [stdout]   |                              ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/main.rs:20:30
[INFO] [stdout]    |
[INFO] [stdout] 20 |     server.router().ws("/", |req, ws| {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]  --> src/main.rs:8:46
[INFO] [stdout]   |
[INFO] [stdout] 8 |     server.router().get("api/users/{user}", |req, res| {
[INFO] [stdout]   |                                              ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]  --> examples/basic/main.rs:6:31
[INFO] [stdout]   |
[INFO] [stdout] 6 |     server.router().get("/", |req, res| {
[INFO] [stdout]   |                               ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]  --> examples/routing/main.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn index<'a>(req: &'a mut Request, res: &'a mut Response) -> &'a mut Response {
[INFO] [stdout]   |              ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]  --> examples/routing/main.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn store<'a>(req: &'a mut Request, res: &'a mut Response) -> &'a mut Response {
[INFO] [stdout]   |              ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> examples/routing/main.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn view<'a>(req: &'a mut Request, res: &'a mut Response) -> &'a mut Response {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> examples/routing/main.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn update<'a>(req: &'a mut Request, res: &'a mut Response) -> &'a mut Response {
[INFO] [stdout]    |               ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> examples/routing/main.rs:19:16
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn destroy<'a>(req: &'a mut Request, res: &'a mut Response) -> &'a mut Response {
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/main.rs:20:30
[INFO] [stdout]    |
[INFO] [stdout] 20 |     server.router().ws("/", |req, ws| {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]  --> src/main.rs:8:46
[INFO] [stdout]   |
[INFO] [stdout] 8 |     server.router().get("api/users/{user}", |req, res| {
[INFO] [stdout]   |                                              ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> examples/view/main.rs:10:31
[INFO] [stdout]    |
[INFO] [stdout] 10 |     server.router().get("/", |req, res| {
[INFO] [stdout]    |                               ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> examples/middleware/main.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn auth<'a>(req: &'a mut Request, res: &'a mut Response, next: &'a mut Next<'a>) -> &'a mut Response {
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `next`
[INFO] [stdout]   --> examples/middleware/main.rs:15:62
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn auth<'a>(req: &'a mut Request, res: &'a mut Response, next: &'a mut Next<'a>) -> &'a mut Response {
[INFO] [stdout]    |                                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_next`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] running `Command { std: "docker" "inspect" "13e99990cb5f8fa332d17cdeec9e65a793e022ad1e53b76c541a9f33453ce269", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13e99990cb5f8fa332d17cdeec9e65a793e022ad1e53b76c541a9f33453ce269", kill_on_drop: false }`
[INFO] [stdout] 13e99990cb5f8fa332d17cdeec9e65a793e022ad1e53b76c541a9f33453ce269
