[INFO] cloning repository https://github.com/divoxx/echosrv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/divoxx/echosrv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdivoxx%2Fechosrv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdivoxx%2Fechosrv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a1b0b6d0135ee308a17c669e9edf300af6f3d213
[INFO] fixing divoxx/echosrv against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdivoxx%2Fechosrv" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/divoxx/echosrv
[INFO] finished tweaking git repo https://github.com/divoxx/echosrv
[INFO] tweaked toml for git repo https://github.com/divoxx/echosrv written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/divoxx/echosrv on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/divoxx/echosrv 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "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-6-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 195fbd416bfa07950fa106b4fb0e6f8a2a3c23382e9b7cf3f0ac66cd7eb1b0c5
[INFO] running `Command { std: "docker" "start" "195fbd416bfa07950fa106b4fb0e6f8a2a3c23382e9b7cf3f0ac66cd7eb1b0c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "195fbd416bfa07950fa106b4fb0e6f8a2a3c23382e9b7cf3f0ac66cd7eb1b0c5" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "195fbd416bfa07950fa106b4fb0e6f8a2a3c23382e9b7cf3f0ac66cd7eb1b0c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "195fbd416bfa07950fa106b4fb0e6f8a2a3c23382e9b7cf3f0ac66cd7eb1b0c5" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `std::os::unix::io::AsRawFd`
[INFO] [stdout]    --> src/network/fd_inheritance.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |     use std::os::unix::io::AsRawFd;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FromRawFd`
[INFO] [stdout]   --> src/network/socket_builder.rs:21:25
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::os::unix::io::{FromRawFd, RawFd};
[INFO] [stdout]    |                         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BindStrategy`
[INFO] [stdout]   --> src/unix/datagram_protocol.rs:16:38
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::network::fd_inheritance::{BindStrategy, FdInheritanceConfig};
[INFO] [stdout]    |                                      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `UnixDatagramExt`
[INFO] [stdout]  --> src/unix/server.rs:4:38
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::unix::datagram_protocol::{UnixDatagramExt, UnixDatagramProtocol};
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `UnixStreamExt`
[INFO] [stdout]  --> src/unix/server.rs:5:56
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::unix::stream_protocol::{UnixStreamProtocol, UnixStreamExt};
[INFO] [stdout]   |                                                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BindStrategy`
[INFO] [stdout]   --> src/unix/stream_protocol.rs:19:38
[INFO] [stdout]    |
[INFO] [stdout] 19 | use crate::network::fd_inheritance::{BindStrategy, FdInheritanceConfig};
[INFO] [stdout]    |                                      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::datagram::protocol::DatagramProtocol`
[INFO] [stdout]  --> src/unix/server.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::datagram::protocol::DatagramProtocol;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::stream::protocol::StreamProtocol`
[INFO] [stdout]  --> src/unix/server.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::stream::protocol::StreamProtocol;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/unix/datagram_protocol.rs:135:19
[INFO] [stdout]     |
[INFO] [stdout] 135 |     async fn bind(config: &crate::datagram::DatagramConfig) -> std::result::Result<Self::Socket, Self::Error> {
[INFO] [stdout]     |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/unix/server.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let mut listener = UnixStreamProtocol::bind_unix_with_inheritance(
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/unix/stream_protocol.rs:140:19
[INFO] [stdout]     |
[INFO] [stdout] 140 |     async fn bind(config: &crate::stream::StreamConfig) -> std::result::Result<Self::Listener, Self::Error> {
[INFO] [stdout]     |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/security/limits.rs:113:37
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub async fn acquire_connection(&self) -> Result<ConnectionGuard, ConnectionError> {
[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] 113 |     pub async fn acquire_connection(&self) -> Result<ConnectionGuard<'_>, ConnectionError> {
[INFO] [stdout]     |                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/unix/datagram_protocol.rs:216:5
[INFO] [stdout]     |
[INFO] [stdout] 216 |     async fn create_client_socket() -> Result<UnixDatagram>;
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout]     = note: `#[warn(async_fn_in_trait)]` on by default
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 216 -     async fn create_client_socket() -> Result<UnixDatagram>;
[INFO] [stdout] 216 +     fn create_client_socket() -> impl std::future::Future<Output = Result<UnixDatagram>> + Send;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/unix/datagram_protocol.rs:225:5
[INFO] [stdout]     |
[INFO] [stdout] 225 |     async fn connect_unix(path: &PathBuf) -> Result<UnixDatagram>;
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 225 -     async fn connect_unix(path: &PathBuf) -> Result<UnixDatagram>;
[INFO] [stdout] 225 +     fn connect_unix(path: &PathBuf) -> impl std::future::Future<Output = Result<UnixDatagram>> + Send;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/unix/datagram_protocol.rs:235:5
[INFO] [stdout]     |
[INFO] [stdout] 235 |     async fn bind_abstract(name: &str) -> Result<UnixDatagram>;
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 235 -     async fn bind_abstract(name: &str) -> Result<UnixDatagram>;
[INFO] [stdout] 235 +     fn bind_abstract(name: &str) -> impl std::future::Future<Output = Result<UnixDatagram>> + Send;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/unix/stream_protocol.rs:230:5
[INFO] [stdout]     |
[INFO] [stdout] 230 |     async fn connect_unix(path: &PathBuf) -> Result<UnixStream>;
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 230 -     async fn connect_unix(path: &PathBuf) -> Result<UnixStream>;
[INFO] [stdout] 230 +     fn connect_unix(path: &PathBuf) -> impl std::future::Future<Output = Result<UnixStream>> + Send;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/unix/stream_protocol.rs:240:5
[INFO] [stdout]     |
[INFO] [stdout] 240 |     async fn connect_abstract(name: &str) -> Result<UnixStream>;
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 240 -     async fn connect_abstract(name: &str) -> Result<UnixStream>;
[INFO] [stdout] 240 +     fn connect_abstract(name: &str) -> impl std::future::Future<Output = Result<UnixStream>> + Send;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `echosrv::unix::Protocol`, `echosrv::unix::StreamExt`
[INFO] [stdout]    --> tests/comprehensive_integration.rs:209:25
[INFO] [stdout]     |
[INFO] [stdout] 209 |     use echosrv::unix::{Protocol, StreamExt};
[INFO] [stdout]     |                         ^^^^^^^^  ^^^^^^^^^ no `StreamExt` in `unix`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         no `Protocol` in `unix`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `futures` in this scope
[INFO] [stdout]    --> benches/echo_performance.rs:100:35
[INFO] [stdout]     |
[INFO] [stdout] 100 |                     let results = futures::future::join_all(handles).await;
[INFO] [stdout]     |                                   ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_async` found for mutable reference `&mut criterion::Bencher<'_>` in the current scope
[INFO] [stdout]   --> benches/echo_performance.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 18 |             b.to_async(&rt).iter(|| async {
[INFO] [stdout]    |               ^^^^^^^^ method not found in `&mut criterion::Bencher<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `echosrv` (test "comprehensive_integration") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no method named `to_async` found for mutable reference `&mut criterion::Bencher<'_>` in the current scope
[INFO] [stdout]   --> benches/echo_performance.rs:68:19
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 b.to_async(&rt).iter(|| async {
[INFO] [stdout]    |                   ^^^^^^^^ method not found in `&mut criterion::Bencher<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_async` found for mutable reference `&mut criterion::Bencher<'_>` in the current scope
[INFO] [stdout]    --> benches/echo_performance.rs:159:11
[INFO] [stdout]     |
[INFO] [stdout] 159 |         b.to_async(&rt).iter(|| async {
[INFO] [stdout]     |           ^^^^^^^^ method not found in `&mut criterion::Bencher<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `echosrv` (bench "echo_performance") due to 4 previous errors
[INFO] [stdout] warning: unused import: `std::os::unix::io::AsRawFd`
[INFO] [stdout]    --> src/network/fd_inheritance.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |     use std::os::unix::io::AsRawFd;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FromRawFd`
[INFO] [stdout]   --> src/network/socket_builder.rs:21:25
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::os::unix::io::{FromRawFd, RawFd};
[INFO] [stdout]    |                         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BindStrategy`
[INFO] [stdout]   --> src/unix/datagram_protocol.rs:16:38
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::network::fd_inheritance::{BindStrategy, FdInheritanceConfig};
[INFO] [stdout]    |                                      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `UnixDatagramExt`
[INFO] [stdout]  --> src/unix/server.rs:4:38
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::unix::datagram_protocol::{UnixDatagramExt, UnixDatagramProtocol};
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `UnixStreamExt`
[INFO] [stdout]  --> src/unix/server.rs:5:56
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::unix::stream_protocol::{UnixStreamProtocol, UnixStreamExt};
[INFO] [stdout]   |                                                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BindStrategy`
[INFO] [stdout]   --> src/unix/stream_protocol.rs:19:38
[INFO] [stdout]    |
[INFO] [stdout] 19 | use crate::network::fd_inheritance::{BindStrategy, FdInheritanceConfig};
[INFO] [stdout]    |                                      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::datagram::protocol::DatagramProtocol`
[INFO] [stdout]  --> src/unix/server.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::datagram::protocol::DatagramProtocol;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::stream::protocol::StreamProtocol`
[INFO] [stdout]  --> src/unix/server.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::stream::protocol::StreamProtocol;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/unix/datagram_protocol.rs:135:19
[INFO] [stdout]     |
[INFO] [stdout] 135 |     async fn bind(config: &crate::datagram::DatagramConfig) -> std::result::Result<Self::Socket, Self::Error> {
[INFO] [stdout]     |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/unix/server.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let mut listener = UnixStreamProtocol::bind_unix_with_inheritance(
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/unix/stream_protocol.rs:140:19
[INFO] [stdout]     |
[INFO] [stdout] 140 |     async fn bind(config: &crate::stream::StreamConfig) -> std::result::Result<Self::Listener, Self::Error> {
[INFO] [stdout]     |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/security/limits.rs:113:37
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub async fn acquire_connection(&self) -> Result<ConnectionGuard, ConnectionError> {
[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] 113 |     pub async fn acquire_connection(&self) -> Result<ConnectionGuard<'_>, ConnectionError> {
[INFO] [stdout]     |                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/unix/datagram_protocol.rs:216:5
[INFO] [stdout]     |
[INFO] [stdout] 216 |     async fn create_client_socket() -> Result<UnixDatagram>;
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout]     = note: `#[warn(async_fn_in_trait)]` on by default
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 216 -     async fn create_client_socket() -> Result<UnixDatagram>;
[INFO] [stdout] 216 +     fn create_client_socket() -> impl std::future::Future<Output = Result<UnixDatagram>> + Send;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/unix/datagram_protocol.rs:225:5
[INFO] [stdout]     |
[INFO] [stdout] 225 |     async fn connect_unix(path: &PathBuf) -> Result<UnixDatagram>;
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 225 -     async fn connect_unix(path: &PathBuf) -> Result<UnixDatagram>;
[INFO] [stdout] 225 +     fn connect_unix(path: &PathBuf) -> impl std::future::Future<Output = Result<UnixDatagram>> + Send;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/unix/datagram_protocol.rs:235:5
[INFO] [stdout]     |
[INFO] [stdout] 235 |     async fn bind_abstract(name: &str) -> Result<UnixDatagram>;
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 235 -     async fn bind_abstract(name: &str) -> Result<UnixDatagram>;
[INFO] [stdout] 235 +     fn bind_abstract(name: &str) -> impl std::future::Future<Output = Result<UnixDatagram>> + Send;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/unix/stream_protocol.rs:230:5
[INFO] [stdout]     |
[INFO] [stdout] 230 |     async fn connect_unix(path: &PathBuf) -> Result<UnixStream>;
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 230 -     async fn connect_unix(path: &PathBuf) -> Result<UnixStream>;
[INFO] [stdout] 230 +     fn connect_unix(path: &PathBuf) -> impl std::future::Future<Output = Result<UnixStream>> + Send;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/unix/stream_protocol.rs:240:5
[INFO] [stdout]     |
[INFO] [stdout] 240 |     async fn connect_abstract(name: &str) -> Result<UnixStream>;
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 240 -     async fn connect_abstract(name: &str) -> Result<UnixStream>;
[INFO] [stdout] 240 +     fn connect_abstract(name: &str) -> impl std::future::Future<Output = Result<UnixStream>> + Send;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "195fbd416bfa07950fa106b4fb0e6f8a2a3c23382e9b7cf3f0ac66cd7eb1b0c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "195fbd416bfa07950fa106b4fb0e6f8a2a3c23382e9b7cf3f0ac66cd7eb1b0c5", kill_on_drop: false }`
[INFO] [stdout] 195fbd416bfa07950fa106b4fb0e6f8a2a3c23382e9b7cf3f0ac66cd7eb1b0c5
