[INFO] cloning repository https://github.com/6amson/rtmp-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/6amson/rtmp-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F6amson%2Frtmp-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F6amson%2Frtmp-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de89524bccf30e86dd2e8542b206394251bbc314
[INFO] checking 6amson/rtmp-server against master#32cd9114712a24010b0583624dc52ac302194128 for pr-143717
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F6amson%2Frtmp-server" "/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/6amson/rtmp-server
[INFO] finished tweaking git repo https://github.com/6amson/rtmp-server
[INFO] tweaked toml for git repo https://github.com/6amson/rtmp-server written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/6amson/rtmp-server on toolchain 32cd9114712a24010b0583624dc52ac302194128
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/6amson/rtmp-server 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" "+32cd9114712a24010b0583624dc52ac302194128" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rml_amf0 v0.1.2
[INFO] [stderr]   Downloaded signal-hook-registry v1.4.5
[INFO] [stderr]   Downloaded thread_local v1.1.9
[INFO] [stderr]   Downloaded rustc-demangle v0.1.25
[INFO] [stderr]   Downloaded clap_derive v4.5.40
[INFO] [stderr]   Downloaded tokio-test v0.4.4
[INFO] [stderr]   Downloaded lock_api v0.4.13
[INFO] [stderr]   Downloaded clap v4.5.40
[INFO] [stderr]   Downloaded parking_lot v0.12.4
[INFO] [stderr]   Downloaded redox_syscall v0.5.13
[INFO] [stderr]   Downloaded mio v1.0.4
[INFO] [stderr]   Downloaded backtrace v0.3.75
[INFO] [stderr]   Downloaded tokio-util v0.7.15
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.19
[INFO] [stderr]   Downloaded socket2 v0.5.10
[INFO] [stderr]   Downloaded clap_builder v4.5.40
[INFO] [stderr]   Downloaded parking_lot_core v0.9.11
[INFO] [stderr]   Downloaded tracing-attributes v0.1.29
[INFO] [stderr]   Downloaded syn v2.0.103
[INFO] [stderr]   Downloaded libc v0.2.173
[INFO] [stderr]   Downloaded tokio v1.45.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3264a61cc6f71e9169c11dd8d9b467b7d7fdc29da78e3ab32e319b79ec5320f3
[INFO] running `Command { std: "docker" "start" "-a" "3264a61cc6f71e9169c11dd8d9b467b7d7fdc29da78e3ab32e319b79ec5320f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3264a61cc6f71e9169c11dd8d9b467b7d7fdc29da78e3ab32e319b79ec5320f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3264a61cc6f71e9169c11dd8d9b467b7d7fdc29da78e3ab32e319b79ec5320f3", kill_on_drop: false }`
[INFO] [stdout] 3264a61cc6f71e9169c11dd8d9b467b7d7fdc29da78e3ab32e319b79ec5320f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aab5fa6471172ca2721f255c0dc1abcd0f47e454c4a1da3ddf6d6065040c9138
[INFO] running `Command { std: "docker" "start" "-a" "aab5fa6471172ca2721f255c0dc1abcd0f47e454c4a1da3ddf6d6065040c9138", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libc v0.2.173
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]     Checking adler2 v2.0.1
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking anstyle-parse v0.2.7
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking anstyle-query v1.1.3
[INFO] [stderr]     Checking anstyle v1.0.11
[INFO] [stderr]     Checking rustc-demangle v0.1.25
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking colorchoice v1.0.4
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking slab v0.4.10
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking clap_lex v0.7.5
[INFO] [stderr]     Checking anstream v0.6.19
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]     Checking equivalent v1.0.2
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking thread_local v1.1.9
[INFO] [stderr]     Checking clap_builder v4.5.40
[INFO] [stderr]     Checking unsafe-libyaml v0.2.11
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking indexmap v2.9.0
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.5
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking addr2line v0.24.2
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking backtrace v0.3.75
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking rml_amf0 v0.1.2
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling tracing-attributes v0.1.29
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling clap_derive v4.5.40
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking async-stream v0.3.6
[INFO] [stderr]     Checking tokio v1.45.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking clap v4.5.40
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking tokio-util v0.7.15
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]     Checking tokio-test v0.4.4
[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated
[INFO] [stderr]     Checking rtmp-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `bytes::BytesMut`
[INFO] [stdout]  --> src/server/connection.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bytes::BytesMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread_rng`
[INFO] [stdout]  --> src/server/connection.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::{thread_rng, RngCore};
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize` and `Serialize`
[INFO] [stdout]  --> src/utils/config.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::SocketAddr`
[INFO] [stdout]  --> src/helpers/session.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::SocketAddr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bytes::BytesMut`
[INFO] [stdout]  --> src/server/connection.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bytes::BytesMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread_rng`
[INFO] [stdout]  --> src/server/connection.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::{thread_rng, RngCore};
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize` and `Serialize`
[INFO] [stdout]  --> src/utils/config.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::SocketAddr`
[INFO] [stdout]  --> src/helpers/session.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::SocketAddr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry`
[INFO] [stdout]    --> src/server/connection.rs:481:13
[INFO] [stdout]     |
[INFO] [stdout] 481 |         let entry = manager.streams.entry(key.clone()).or_insert_with(|| {
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry`
[INFO] [stdout]    --> src/server/connection.rs:481:13
[INFO] [stdout]     |
[INFO] [stdout] 481 |         let entry = manager.streams.entry(key.clone()).or_insert_with(|| {
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_or_create` and `get` are never used
[INFO] [stdout]   --> src/server/stream.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl StreamManager {
[INFO] [stdout]    | ------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub fn get_or_create(&mut self, key: &str) -> &mut Stream {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn get(&self, key: &str) -> Option<&Stream> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Timeout` and `StreamNotFound` are never constructed
[INFO] [stdout]   --> src/utils/error.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub enum RtmpError {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 18 |     Timeout,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     StreamNotFound(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RtmpError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stream_manager` is never read
[INFO] [stdout]   --> src/utils/types.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct RtmpServer {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub stream_manager: Arc<RwLock<StreamManager>>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `key` is never read
[INFO] [stdout]    --> src/utils/types.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 126 | pub struct Stream {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] 127 |     pub key: String,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `addr` is never read
[INFO] [stdout]    --> src/utils/types.rs:140:9
[INFO] [stdout]     |
[INFO] [stdout] 139 | pub struct Session {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] 140 |     pub addr: SocketAddr,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Session` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_or_create` and `get` are never used
[INFO] [stdout]   --> src/server/stream.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl StreamManager {
[INFO] [stdout]    | ------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub fn get_or_create(&mut self, key: &str) -> &mut Stream {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn get(&self, key: &str) -> Option<&Stream> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Timeout` and `StreamNotFound` are never constructed
[INFO] [stdout]   --> src/utils/error.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub enum RtmpError {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 18 |     Timeout,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     StreamNotFound(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RtmpError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stream_manager` is never read
[INFO] [stdout]   --> src/utils/types.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct RtmpServer {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub stream_manager: Arc<RwLock<StreamManager>>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `key` is never read
[INFO] [stdout]    --> src/utils/types.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 126 | pub struct Stream {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] 127 |     pub key: String,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `addr` is never read
[INFO] [stdout]    --> src/utils/types.rs:140:9
[INFO] [stdout]     |
[INFO] [stdout] 139 | pub struct Session {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] 140 |     pub addr: SocketAddr,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Session` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/server/connection.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |             stream.write_all(&mut &s0_s1).await;
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 109 |             let _ = stream.write_all(&mut &s0_s1).await;
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/server/connection.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |             stream.write_all(&mut &s0_s1).await;
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 109 |             let _ = stream.write_all(&mut &s0_s1).await;
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.88s
[INFO] running `Command { std: "docker" "inspect" "aab5fa6471172ca2721f255c0dc1abcd0f47e454c4a1da3ddf6d6065040c9138", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aab5fa6471172ca2721f255c0dc1abcd0f47e454c4a1da3ddf6d6065040c9138", kill_on_drop: false }`
[INFO] [stdout] aab5fa6471172ca2721f255c0dc1abcd0f47e454c4a1da3ddf6d6065040c9138
