[INFO] cloning repository https://github.com/giangndm/rust-client-server-benchmarks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/giangndm/rust-client-server-benchmarks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgiangndm%2Frust-client-server-benchmarks", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e59d7d431e94bb5f60e97a7c7c615cec581e5b6d
[INFO] testing giangndm/rust-client-server-benchmarks against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgiangndm%2Frust-client-server-benchmarks" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/giangndm/rust-client-server-benchmarks
[INFO] finished tweaking git repo https://github.com/giangndm/rust-client-server-benchmarks
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[INFO] validating manifest of git repo https://github.com/giangndm/rust-client-server-benchmarks on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/giangndm/rust-client-server-benchmarks 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" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3733ed11838680bac2f41f0eab2ab28d0542760605fd120d54909e4a2d60abde
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[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 43s
[INFO] running `Command { std: "docker" "inspect" "3733ed11838680bac2f41f0eab2ab28d0542760605fd120d54909e4a2d60abde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3733ed11838680bac2f41f0eab2ab28d0542760605fd120d54909e4a2d60abde", kill_on_drop: false }`
[INFO] [stdout] 3733ed11838680bac2f41f0eab2ab28d0542760605fd120d54909e4a2d60abde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c4e0d87e1563055935d0356b56bccc0970f918afbab0029a5877f2588e6f5d2
[INFO] running `Command { std: "docker" "start" "-a" "9c4e0d87e1563055935d0356b56bccc0970f918afbab0029a5877f2588e6f5d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling tunnel-benchmark v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> examples/tquic_client_tokio.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 119 | /         loop {
[INFO] [stdout] 120 | |             // Read datagram from the socket.
[INFO] [stdout] 121 | |             let (len, local, remote) = match self.sock.recv_from(&mut self.recv_buf) {
[INFO] [stdout] 122 | |                 Ok(v) => v,
[INFO] [stdout] ...   |
[INFO] [stdout] 142 | |             };
[INFO] [stdout] 143 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 144 |
[INFO] [stdout] 145 |           Ok(())
[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: `src`
[INFO] [stdout]   --> examples/tquic_tokio_utils/mod.rs:79:39
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn send_to(&self, buf: &[u8], src: SocketAddr, dst: SocketAddr) -> std::io::Result<usize> {
[INFO] [stdout]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> examples/tquic_client_tokio.rs:123:21
[INFO] [stdout]     |
[INFO] [stdout] 123 |                 Err(e) => {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> examples/tquic_server_async_std.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 122 | /         loop {
[INFO] [stdout] 123 | |             let (len, local, remote) = match self.sock.recv_from(&mut self.recv_buf) {
[INFO] [stdout] 124 | |                 Ok(v) => v,
[INFO] [stdout] 125 | |                 Err(e) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 144 | |             };
[INFO] [stdout] 145 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 146 |
[INFO] [stdout] 147 |           Ok(())
[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: unreachable expression
[INFO] [stdout]    --> examples/tquic_server_tokio.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 122 | /         loop {
[INFO] [stdout] 123 | |             let (len, local, remote) = match self.sock.recv_from(&mut self.recv_buf) {
[INFO] [stdout] 124 | |                 Ok(v) => v,
[INFO] [stdout] 125 | |                 Err(e) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 144 | |             };
[INFO] [stdout] 145 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 146 |
[INFO] [stdout] 147 |           Ok(())
[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: `src`
[INFO] [stdout]   --> examples/tquic_tokio_utils/mod.rs:79:39
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn send_to(&self, buf: &[u8], src: SocketAddr, dst: SocketAddr) -> std::io::Result<usize> {
[INFO] [stdout]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]   --> examples/tquic_async_std_utils/mod.rs:86:39
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn send_to(&self, buf: &[u8], src: SocketAddr, dst: SocketAddr) -> std::io::Result<usize> {
[INFO] [stdout]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> examples/tquic_server_tokio.rs:125:21
[INFO] [stdout]     |
[INFO] [stdout] 125 |                 Err(e) => {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]   --> examples/tquic_native_utils/mod.rs:68:39
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn send_to(&self, buf: &[u8], src: SocketAddr, dst: SocketAddr) -> std::io::Result<usize> {
[INFO] [stdout]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `local_addr` is never read
[INFO] [stdout]   --> examples/tquic_tokio_utils/mod.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct QuicSocket {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 36 |     local_addr: SocketAddr,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_client_socket` and `local_addr` are never used
[INFO] [stdout]   --> examples/tquic_tokio_utils/mod.rs:47:18
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl QuicSocket {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub async fn new_client_socket(is_ipv4: bool) -> Result<Self> {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn local_addr(&self) -> SocketAddr {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> examples/tquic_server_tokio.rs:251:29
[INFO] [stdout]     |
[INFO] [stdout] 251 | ...                   conn.stream_want_write(stream_id, true);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 251 |                             let _ = conn.stream_want_write(stream_id, true);
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> examples/tquic_server_tokio.rs:274:9
[INFO] [stdout]     |
[INFO] [stdout] 274 |         conn.stream_want_write(stream_id, false);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 274 |         let _ = conn.stream_want_write(stream_id, false);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `bytes::Bytes::split_to` that must be used
[INFO] [stdout]    --> examples/tquic_server_tokio.rs:281:29
[INFO] [stdout]     |
[INFO] [stdout] 281 | ...                   buf.split_to(written_size);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider Bytes::advance if you don't need the other half
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 281 |                             let _ = buf.split_to(written_size);
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> examples/tquic_server_tokio.rs:320:5
[INFO] [stdout]     |
[INFO] [stdout] 320 | /     tokio::spawn(async move {
[INFO] [stdout] 321 | |         loop {
[INFO] [stdout] 322 | |             // Process connections.
[INFO] [stdout] 323 | |             if let Err(e) = server.endpoint.process_connections() {
[INFO] [stdout] ...   |
[INFO] [stdout] 340 | |     })
[INFO] [stdout] 341 | |     .await;
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 320 |     let _ = tokio::spawn(async move {
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> examples/tquic_server_async_std.rs:125:21
[INFO] [stdout]     |
[INFO] [stdout] 125 |                 Err(e) => {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> examples/tquic_client_tokio.rs:293:29
[INFO] [stdout]     |
[INFO] [stdout] 293 | ...                   conn.stream_want_write(stream_id, true);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 293 |                             let _ = conn.stream_want_write(stream_id, true);
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> examples/tquic_client_tokio.rs:316:9
[INFO] [stdout]     |
[INFO] [stdout] 316 |         conn.stream_want_write(stream_id, false);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 316 |         let _ = conn.stream_want_write(stream_id, false);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `bytes::Bytes::split_to` that must be used
[INFO] [stdout]    --> examples/tquic_client_tokio.rs:323:29
[INFO] [stdout]     |
[INFO] [stdout] 323 | ...                   buf.split_to(written_size);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider Bytes::advance if you don't need the other half
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 323 |                             let _ = buf.split_to(written_size);
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> examples/tquic_server_native.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 |             Err(e) => {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `local_addr` is never read
[INFO] [stdout]   --> examples/tquic_native_utils/mod.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct QuicSocket {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 34 |     local_addr: SocketAddr,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_client_socket` and `local_addr` are never used
[INFO] [stdout]   --> examples/tquic_native_utils/mod.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl QuicSocket {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn new_client_socket(is_ipv4: bool) -> Result<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn local_addr(&self) -> SocketAddr {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `local_addr` is never read
[INFO] [stdout]   --> examples/tquic_async_std_utils/mod.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct QuicSocket {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 38 |     local_addr: SocketAddr,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_client_socket` and `local_addr` are never used
[INFO] [stdout]   --> examples/tquic_async_std_utils/mod.rs:54:18
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl QuicSocket {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub async fn new_client_socket(is_ipv4: bool) -> Result<Self> {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub fn local_addr(&self) -> SocketAddr {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> examples/tquic_server_native.rs:254:29
[INFO] [stdout]     |
[INFO] [stdout] 254 | ...                   conn.stream_want_write(stream_id, true);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 254 |                             let _ = conn.stream_want_write(stream_id, true);
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> examples/tquic_server_native.rs:277:9
[INFO] [stdout]     |
[INFO] [stdout] 277 |         conn.stream_want_write(stream_id, false);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 277 |         let _ = conn.stream_want_write(stream_id, false);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `bytes::Bytes::split_to` that must be used
[INFO] [stdout]    --> examples/tquic_server_native.rs:284:29
[INFO] [stdout]     |
[INFO] [stdout] 284 | ...                   buf.split_to(written_size);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider Bytes::advance if you don't need the other half
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 284 |                             let _ = buf.split_to(written_size);
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tquic::TIMER_GRANULARITY`
[INFO] [stdout]   --> examples/tquic_server.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | use tquic::TIMER_GRANULARITY;
[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 `std::result::Result` that must be used
[INFO] [stdout]    --> examples/tquic_server_async_std.rs:251:29
[INFO] [stdout]     |
[INFO] [stdout] 251 | ...                   conn.stream_want_write(stream_id, true);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 251 |                             let _ = conn.stream_want_write(stream_id, true);
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> examples/tquic_server_async_std.rs:274:9
[INFO] [stdout]     |
[INFO] [stdout] 274 |         conn.stream_want_write(stream_id, false);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 274 |         let _ = conn.stream_want_write(stream_id, false);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `bytes::Bytes::split_to` that must be used
[INFO] [stdout]    --> examples/tquic_server_async_std.rs:281:29
[INFO] [stdout]     |
[INFO] [stdout] 281 | ...                   buf.split_to(written_size);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider Bytes::advance if you don't need the other half
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 281 |                             let _ = buf.split_to(written_size);
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> examples/tquic_async_std_utils/mod.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         socket.set_nonblocking(true);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let _ = socket.set_nonblocking(true);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> examples/udp_client_monoio.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let (res, buf) = stream.send(buf).await;
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `local_addr` is never read
[INFO] [stdout]   --> examples/tquic_utils/mod.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct QuicSocket {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 43 |     local_addr: SocketAddr,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_client_socket` and `local_addr` are never used
[INFO] [stdout]   --> examples/tquic_utils/mod.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 46 | impl QuicSocket {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn new_client_socket(is_ipv4: bool, registry: &Registry) -> Result<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn local_addr(&self) -> SocketAddr {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> examples/tquic_server.rs:262:29
[INFO] [stdout]     |
[INFO] [stdout] 262 | ...                   conn.stream_want_write(stream_id, true);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 262 |                             let _ = conn.stream_want_write(stream_id, true);
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> examples/tquic_server.rs:285:9
[INFO] [stdout]     |
[INFO] [stdout] 285 |         conn.stream_want_write(stream_id, false);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 285 |         let _ = conn.stream_want_write(stream_id, false);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `bytes::Bytes::split_to` that must be used
[INFO] [stdout]    --> examples/tquic_server.rs:292:29
[INFO] [stdout]     |
[INFO] [stdout] 292 | ...                   buf.split_to(written_size);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider Bytes::advance if you don't need the other half
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 292 |                             let _ = buf.split_to(written_size);
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> examples/tquic_client_async_std.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 119 | /         loop {
[INFO] [stdout] 120 | |             // Read datagram from the socket.
[INFO] [stdout] 121 | |             let (len, local, remote) = match self.sock.recv_from(&mut self.recv_buf) {
[INFO] [stdout] 122 | |                 Ok(v) => v,
[INFO] [stdout] ...   |
[INFO] [stdout] 142 | |             };
[INFO] [stdout] 143 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 144 |
[INFO] [stdout] 145 |           Ok(())
[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: `src`
[INFO] [stdout]   --> examples/tquic_async_std_utils/mod.rs:86:39
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn send_to(&self, buf: &[u8], src: SocketAddr, dst: SocketAddr) -> std::io::Result<usize> {
[INFO] [stdout]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> examples/tquic_client_async_std.rs:123:21
[INFO] [stdout]     |
[INFO] [stdout] 123 |                 Err(e) => {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tquic::TIMER_GRANULARITY`
[INFO] [stdout]   --> examples/tquic_client.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | use tquic::TIMER_GRANULARITY;
[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 `std::result::Result` that must be used
[INFO] [stdout]    --> examples/tquic_client_async_std.rs:293:29
[INFO] [stdout]     |
[INFO] [stdout] 293 | ...                   conn.stream_want_write(stream_id, true);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 293 |                             let _ = conn.stream_want_write(stream_id, true);
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> examples/tquic_client_async_std.rs:316:9
[INFO] [stdout]     |
[INFO] [stdout] 316 |         conn.stream_want_write(stream_id, false);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 316 |         let _ = conn.stream_want_write(stream_id, false);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `bytes::Bytes::split_to` that must be used
[INFO] [stdout]    --> examples/tquic_client_async_std.rs:323:29
[INFO] [stdout]     |
[INFO] [stdout] 323 | ...                   buf.split_to(written_size);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider Bytes::advance if you don't need the other half
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 323 |                             let _ = buf.split_to(written_size);
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> examples/tquic_async_std_utils/mod.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         socket.set_nonblocking(true);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let _ = socket.set_nonblocking(true);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]   --> examples/tquic_native_utils/mod.rs:68:39
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn send_to(&self, buf: &[u8], src: SocketAddr, dst: SocketAddr) -> std::io::Result<usize> {
[INFO] [stdout]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> examples/tquic_client.rs:308:29
[INFO] [stdout]     |
[INFO] [stdout] 308 | ...                   conn.stream_want_write(stream_id, true);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 308 |                             let _ = conn.stream_want_write(stream_id, true);
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> examples/tquic_client.rs:331:9
[INFO] [stdout]     |
[INFO] [stdout] 331 |         conn.stream_want_write(stream_id, false);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 331 |         let _ = conn.stream_want_write(stream_id, false);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `bytes::Bytes::split_to` that must be used
[INFO] [stdout]    --> examples/tquic_client.rs:338:29
[INFO] [stdout]     |
[INFO] [stdout] 338 | ...                   buf.split_to(written_size);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider Bytes::advance if you don't need the other half
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 338 |                             let _ = buf.split_to(written_size);
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> examples/tquic_client_native.rs:125:17
[INFO] [stdout]     |
[INFO] [stdout] 125 |             Err(e) => {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> examples/tquic_client_native.rs:295:29
[INFO] [stdout]     |
[INFO] [stdout] 295 | ...                   conn.stream_want_write(stream_id, true);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 295 |                             let _ = conn.stream_want_write(stream_id, true);
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> examples/tquic_client_native.rs:318:9
[INFO] [stdout]     |
[INFO] [stdout] 318 |         conn.stream_want_write(stream_id, false);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 318 |         let _ = conn.stream_want_write(stream_id, false);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `bytes::Bytes::split_to` that must be used
[INFO] [stdout]    --> examples/tquic_client_native.rs:325:29
[INFO] [stdout]     |
[INFO] [stdout] 325 | ...                   buf.split_to(written_size);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider Bytes::advance if you don't need the other half
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 325 |                             let _ = buf.split_to(written_size);
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.41s
[INFO] running `Command { std: "docker" "inspect" "9c4e0d87e1563055935d0356b56bccc0970f918afbab0029a5877f2588e6f5d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c4e0d87e1563055935d0356b56bccc0970f918afbab0029a5877f2588e6f5d2", kill_on_drop: false }`
[INFO] [stdout] 9c4e0d87e1563055935d0356b56bccc0970f918afbab0029a5877f2588e6f5d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4fbf29c82c23fe945a3338f1fb4a93c1db410f403a2b509b44b29b6fc8e6afd1
[INFO] running `Command { std: "docker" "start" "-a" "4fbf29c82c23fe945a3338f1fb4a93c1db410f403a2b509b44b29b6fc8e6afd1", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `tquic::TIMER_GRANULARITY`
[INFO] [stderr]   --> examples/tquic_server.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | use tquic::TIMER_GRANULARITY;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `local_addr` is never read
[INFO] [stderr]   --> examples/tquic_utils/mod.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub struct QuicSocket {
[INFO] [stderr]    |            ---------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 43 |     local_addr: SocketAddr,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new_client_socket` and `local_addr` are never used
[INFO] [stderr]   --> examples/tquic_utils/mod.rs:66:12
[INFO] [stderr]    |
[INFO] [stderr] 46 | impl QuicSocket {
[INFO] [stderr]    | --------------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 66 |     pub fn new_client_socket(is_ipv4: bool, registry: &Registry) -> Result<Self> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 75 |     pub fn local_addr(&self) -> SocketAddr {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> examples/tquic_server.rs:262:29
[INFO] [stderr]     |
[INFO] [stderr] 262 | ...                   conn.stream_want_write(stream_id, true);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 262 |                             let _ = conn.stream_want_write(stream_id, true);
[INFO] [stderr]     |                             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> examples/tquic_server.rs:285:9
[INFO] [stderr]     |
[INFO] [stderr] 285 |         conn.stream_want_write(stream_id, false);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 285 |         let _ = conn.stream_want_write(stream_id, false);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `bytes::Bytes::split_to` that must be used
[INFO] [stderr]    --> examples/tquic_server.rs:292:29
[INFO] [stderr]     |
[INFO] [stderr] 292 | ...                   buf.split_to(written_size);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider Bytes::advance if you don't need the other half
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 292 |                             let _ = buf.split_to(written_size);
[INFO] [stderr]     |                             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> examples/tquic_client_async_std.rs:145:9
[INFO] [stderr]     |
[INFO] [stderr] 119 | /         loop {
[INFO] [stderr] 120 | |             // Read datagram from the socket.
[INFO] [stderr] 121 | |             let (len, local, remote) = match self.sock.recv_from(&mut self.recv_buf) {
[INFO] [stderr] 122 | |                 Ok(v) => v,
[INFO] [stderr] ...   |
[INFO] [stderr] 142 | |             };
[INFO] [stderr] 143 | |         }
[INFO] [stderr]     | |_________- any code following this expression is unreachable
[INFO] [stderr] 144 |
[INFO] [stderr] 145 |           Ok(())
[INFO] [stderr]     |           ^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `src`
[INFO] [stderr]   --> examples/tquic_async_std_utils/mod.rs:86:39
[INFO] [stderr]    |
[INFO] [stderr] 86 |     pub fn send_to(&self, buf: &[u8], src: SocketAddr, dst: SocketAddr) -> std::io::Result<usize> {
[INFO] [stderr]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> examples/tquic_client_async_std.rs:123:21
[INFO] [stderr]     |
[INFO] [stderr] 123 |                 Err(e) => {
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> examples/tquic_client_async_std.rs:293:29
[INFO] [stderr]     |
[INFO] [stderr] 293 | ...                   conn.stream_want_write(stream_id, true);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 293 |                             let _ = conn.stream_want_write(stream_id, true);
[INFO] [stderr]     |                             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> examples/tquic_client_async_std.rs:316:9
[INFO] [stderr]     |
[INFO] [stderr] 316 |         conn.stream_want_write(stream_id, false);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 316 |         let _ = conn.stream_want_write(stream_id, false);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `bytes::Bytes::split_to` that must be used
[INFO] [stderr]    --> examples/tquic_client_async_std.rs:323:29
[INFO] [stderr]     |
[INFO] [stderr] 323 | ...                   buf.split_to(written_size);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider Bytes::advance if you don't need the other half
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 323 |                             let _ = buf.split_to(written_size);
[INFO] [stderr]     |                             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> examples/tquic_async_std_utils/mod.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |         socket.set_nonblocking(true);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 44 |         let _ = socket.set_nonblocking(true);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `src`
[INFO] [stderr]   --> examples/tquic_native_utils/mod.rs:68:39
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn send_to(&self, buf: &[u8], src: SocketAddr, dst: SocketAddr) -> std::io::Result<usize> {
[INFO] [stderr]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> examples/tquic_server_native.rs:128:17
[INFO] [stderr]     |
[INFO] [stderr] 128 |             Err(e) => {
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: field `local_addr` is never read
[INFO] [stderr]   --> examples/tquic_native_utils/mod.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub struct QuicSocket {
[INFO] [stderr]    |            ---------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 34 |     local_addr: SocketAddr,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new_client_socket` and `local_addr` are never used
[INFO] [stderr]   --> examples/tquic_native_utils/mod.rs:45:12
[INFO] [stderr]    |
[INFO] [stderr] 37 | impl QuicSocket {
[INFO] [stderr]    | --------------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 45 |     pub fn new_client_socket(is_ipv4: bool) -> Result<Self> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 54 |     pub fn local_addr(&self) -> SocketAddr {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> examples/tquic_server_native.rs:254:29
[INFO] [stderr]     |
[INFO] [stderr] 254 | ...                   conn.stream_want_write(stream_id, true);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 254 |                             let _ = conn.stream_want_write(stream_id, true);
[INFO] [stderr]     |                             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> examples/tquic_server_native.rs:277:9
[INFO] [stderr]     |
[INFO] [stderr] 277 |         conn.stream_want_write(stream_id, false);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 277 |         let _ = conn.stream_want_write(stream_id, false);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `bytes::Bytes::split_to` that must be used
[INFO] [stderr]    --> examples/tquic_server_native.rs:284:29
[INFO] [stderr]     |
[INFO] [stderr] 284 | ...                   buf.split_to(written_size);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider Bytes::advance if you don't need the other half
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 284 |                             let _ = buf.split_to(written_size);
[INFO] [stderr]     |                             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]   --> examples/udp_client_monoio.rs:18:14
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let (res, buf) = stream.send(buf).await;
[INFO] [stderr]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> examples/tquic_client_tokio.rs:145:9
[INFO] [stderr]     |
[INFO] [stderr] 119 | /         loop {
[INFO] [stderr] 120 | |             // Read datagram from the socket.
[INFO] [stderr] 121 | |             let (len, local, remote) = match self.sock.recv_from(&mut self.recv_buf) {
[INFO] [stderr] 122 | |                 Ok(v) => v,
[INFO] [stderr] ...   |
[INFO] [stderr] 142 | |             };
[INFO] [stderr] 143 | |         }
[INFO] [stderr]     | |_________- any code following this expression is unreachable
[INFO] [stderr] 144 |
[INFO] [stderr] 145 |           Ok(())
[INFO] [stderr]     |           ^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `src`
[INFO] [stderr]   --> examples/tquic_tokio_utils/mod.rs:79:39
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn send_to(&self, buf: &[u8], src: SocketAddr, dst: SocketAddr) -> std::io::Result<usize> {
[INFO] [stderr]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> examples/tquic_client_tokio.rs:123:21
[INFO] [stderr]     |
[INFO] [stderr] 123 |                 Err(e) => {
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> examples/tquic_client_tokio.rs:293:29
[INFO] [stderr]     |
[INFO] [stderr] 293 | ...                   conn.stream_want_write(stream_id, true);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 293 |                             let _ = conn.stream_want_write(stream_id, true);
[INFO] [stderr]     |                             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> examples/tquic_client_tokio.rs:316:9
[INFO] [stderr]     |
[INFO] [stderr] 316 |         conn.stream_want_write(stream_id, false);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 316 |         let _ = conn.stream_want_write(stream_id, false);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `bytes::Bytes::split_to` that must be used
[INFO] [stderr]    --> examples/tquic_client_tokio.rs:323:29
[INFO] [stderr]     |
[INFO] [stderr] 323 | ...                   buf.split_to(written_size);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider Bytes::advance if you don't need the other half
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 323 |                             let _ = buf.split_to(written_size);
[INFO] [stderr]     |                             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> examples/tquic_server_async_std.rs:147:9
[INFO] [stderr]     |
[INFO] [stderr] 122 | /         loop {
[INFO] [stderr] 123 | |             let (len, local, remote) = match self.sock.recv_from(&mut self.recv_buf) {
[INFO] [stderr] 124 | |                 Ok(v) => v,
[INFO] [stderr] 125 | |                 Err(e) => {
[INFO] [stderr] ...   |
[INFO] [stderr] 144 | |             };
[INFO] [stderr] 145 | |         }
[INFO] [stderr]     | |_________- any code following this expression is unreachable
[INFO] [stderr] 146 |
[INFO] [stderr] 147 |           Ok(())
[INFO] [stderr]     |           ^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> examples/tquic_server_async_std.rs:125:21
[INFO] [stderr]     |
[INFO] [stderr] 125 |                 Err(e) => {
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: field `local_addr` is never read
[INFO] [stderr]   --> examples/tquic_async_std_utils/mod.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub struct QuicSocket {
[INFO] [stderr]    |            ---------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 38 |     local_addr: SocketAddr,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new_client_socket` and `local_addr` are never used
[INFO] [stderr]   --> examples/tquic_async_std_utils/mod.rs:54:18
[INFO] [stderr]    |
[INFO] [stderr] 41 | impl QuicSocket {
[INFO] [stderr]    | --------------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 54 |     pub async fn new_client_socket(is_ipv4: bool) -> Result<Self> {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 63 |     pub fn local_addr(&self) -> SocketAddr {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> examples/tquic_server_async_std.rs:251:29
[INFO] [stderr]     |
[INFO] [stderr] 251 | ...                   conn.stream_want_write(stream_id, true);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 251 |                             let _ = conn.stream_want_write(stream_id, true);
[INFO] [stderr]     |                             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> examples/tquic_server_async_std.rs:274:9
[INFO] [stderr]     |
[INFO] [stderr] 274 |         conn.stream_want_write(stream_id, false);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 274 |         let _ = conn.stream_want_write(stream_id, false);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `bytes::Bytes::split_to` that must be used
[INFO] [stderr]    --> examples/tquic_server_async_std.rs:281:29
[INFO] [stderr]     |
[INFO] [stderr] 281 | ...                   buf.split_to(written_size);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider Bytes::advance if you don't need the other half
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 281 |                             let _ = buf.split_to(written_size);
[INFO] [stderr]     |                             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `tunnel-benchmark` (example "tquic_server") generated 6 warnings (run `cargo fix --example "tquic_server" -p tunnel-benchmark` to apply 1 suggestion)
[INFO] [stderr] warning: `tunnel-benchmark` (example "tquic_client_async_std") generated 7 warnings (run `cargo fix --example "tquic_client_async_std" -p tunnel-benchmark` to apply 2 suggestions)
[INFO] [stderr] warning: `tunnel-benchmark` (example "tquic_server_native") generated 7 warnings (run `cargo fix --example "tquic_server_native" -p tunnel-benchmark` to apply 2 suggestions)
[INFO] [stderr] warning: `tunnel-benchmark` (example "udp_client_monoio") generated 1 warning (run `cargo fix --example "udp_client_monoio" -p tunnel-benchmark` to apply 1 suggestion)
[INFO] [stderr] warning: `tunnel-benchmark` (example "tquic_client_tokio") generated 6 warnings (run `cargo fix --example "tquic_client_tokio" -p tunnel-benchmark` to apply 2 suggestions)
[INFO] [stderr] warning: `tunnel-benchmark` (example "tquic_server_async_std") generated 9 warnings (2 duplicates) (run `cargo fix --example "tquic_server_async_std" -p tunnel-benchmark` to apply 1 suggestion)
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> examples/tquic_server_tokio.rs:147:9
[INFO] [stderr]     |
[INFO] [stderr] 122 | /         loop {
[INFO] [stderr] 123 | |             let (len, local, remote) = match self.sock.recv_from(&mut self.recv_buf) {
[INFO] [stderr] 124 | |                 Ok(v) => v,
[INFO] [stderr] 125 | |                 Err(e) => {
[INFO] [stderr] ...   |
[INFO] [stderr] 144 | |             };
[INFO] [stderr] 145 | |         }
[INFO] [stderr]     | |_________- any code following this expression is unreachable
[INFO] [stderr] 146 |
[INFO] [stderr] 147 |           Ok(())
[INFO] [stderr]     |           ^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> examples/tquic_server_tokio.rs:125:21
[INFO] [stderr]     |
[INFO] [stderr] 125 |                 Err(e) => {
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: field `local_addr` is never read
[INFO] [stderr]   --> examples/tquic_tokio_utils/mod.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub struct QuicSocket {
[INFO] [stderr]    |            ---------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 36 |     local_addr: SocketAddr,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new_client_socket` and `local_addr` are never used
[INFO] [stderr]   --> examples/tquic_tokio_utils/mod.rs:47:18
[INFO] [stderr]    |
[INFO] [stderr] 39 | impl QuicSocket {
[INFO] [stderr]    | --------------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 47 |     pub async fn new_client_socket(is_ipv4: bool) -> Result<Self> {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 56 |     pub fn local_addr(&self) -> SocketAddr {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> examples/tquic_server_tokio.rs:251:29
[INFO] [stderr]     |
[INFO] [stderr] 251 | ...                   conn.stream_want_write(stream_id, true);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 251 |                             let _ = conn.stream_want_write(stream_id, true);
[INFO] [stderr]     |                             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> examples/tquic_server_tokio.rs:274:9
[INFO] [stderr]     |
[INFO] [stderr] 274 |         conn.stream_want_write(stream_id, false);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 274 |         let _ = conn.stream_want_write(stream_id, false);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `bytes::Bytes::split_to` that must be used
[INFO] [stderr]    --> examples/tquic_server_tokio.rs:281:29
[INFO] [stderr]     |
[INFO] [stderr] 281 | ...                   buf.split_to(written_size);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider Bytes::advance if you don't need the other half
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 281 |                             let _ = buf.split_to(written_size);
[INFO] [stderr]     |                             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> examples/tquic_server_tokio.rs:320:5
[INFO] [stderr]     |
[INFO] [stderr] 320 | /     tokio::spawn(async move {
[INFO] [stderr] 321 | |         loop {
[INFO] [stderr] 322 | |             // Process connections.
[INFO] [stderr] 323 | |             if let Err(e) = server.endpoint.process_connections() {
[INFO] [stderr] ...   |
[INFO] [stderr] 340 | |     })
[INFO] [stderr] 341 | |     .await;
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 320 |     let _ = tokio::spawn(async move {
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> examples/tquic_client_native.rs:125:17
[INFO] [stderr]     |
[INFO] [stderr] 125 |             Err(e) => {
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> examples/tquic_client_native.rs:295:29
[INFO] [stderr]     |
[INFO] [stderr] 295 | ...                   conn.stream_want_write(stream_id, true);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 295 |                             let _ = conn.stream_want_write(stream_id, true);
[INFO] [stderr]     |                             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> examples/tquic_client_native.rs:318:9
[INFO] [stderr]     |
[INFO] [stderr] 318 |         conn.stream_want_write(stream_id, false);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 318 |         let _ = conn.stream_want_write(stream_id, false);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `bytes::Bytes::split_to` that must be used
[INFO] [stderr]    --> examples/tquic_client_native.rs:325:29
[INFO] [stderr]     |
[INFO] [stderr] 325 | ...                   buf.split_to(written_size);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider Bytes::advance if you don't need the other half
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 325 |                             let _ = buf.split_to(written_size);
[INFO] [stderr]     |                             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tquic::TIMER_GRANULARITY`
[INFO] [stderr]   --> examples/tquic_client.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | use tquic::TIMER_GRANULARITY;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> examples/tquic_client.rs:308:29
[INFO] [stderr]     |
[INFO] [stderr] 308 | ...                   conn.stream_want_write(stream_id, true);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 308 |                             let _ = conn.stream_want_write(stream_id, true);
[INFO] [stderr]     |                             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> examples/tquic_client.rs:331:9
[INFO] [stderr]     |
[INFO] [stderr] 331 |         conn.stream_want_write(stream_id, false);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 331 |         let _ = conn.stream_want_write(stream_id, false);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `bytes::Bytes::split_to` that must be used
[INFO] [stderr]    --> examples/tquic_client.rs:338:29
[INFO] [stderr]     |
[INFO] [stderr] 338 | ...                   buf.split_to(written_size);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider Bytes::advance if you don't need the other half
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 338 |                             let _ = buf.split_to(written_size);
[INFO] [stderr]     |                             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `tunnel-benchmark` (example "tquic_server_tokio") generated 9 warnings (1 duplicate) (run `cargo fix --example "tquic_server_tokio" -p tunnel-benchmark` to apply 1 suggestion)
[INFO] [stderr] warning: `tunnel-benchmark` (example "tquic_client_native") generated 5 warnings (1 duplicate) (run `cargo fix --example "tquic_client_native" -p tunnel-benchmark` to apply 1 suggestion)
[INFO] [stderr] warning: `tunnel-benchmark` (example "tquic_client") generated 4 warnings (run `cargo fix --example "tquic_client" -p tunnel-benchmark` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tunnel_benchmark-1f9d8486ab67503b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tunnel_benchmark
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4fbf29c82c23fe945a3338f1fb4a93c1db410f403a2b509b44b29b6fc8e6afd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fbf29c82c23fe945a3338f1fb4a93c1db410f403a2b509b44b29b6fc8e6afd1", kill_on_drop: false }`
[INFO] [stdout] 4fbf29c82c23fe945a3338f1fb4a93c1db410f403a2b509b44b29b6fc8e6afd1
