[INFO] cloning repository https://github.com/sulabhkothari/SkRustNetworking
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sulabhkothari/SkRustNetworking" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsulabhkothari%2FSkRustNetworking", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsulabhkothari%2FSkRustNetworking'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a62731cd5b147c32b556057f8beed983f439956
[INFO] testing sulabhkothari/SkRustNetworking against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsulabhkothari%2FSkRustNetworking" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sulabhkothari/SkRustNetworking on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sulabhkothari/SkRustNetworking
[INFO] finished tweaking git repo https://github.com/sulabhkothari/SkRustNetworking
[INFO] tweaked toml for git repo https://github.com/sulabhkothari/SkRustNetworking written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/sulabhkothari/SkRustNetworking already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mio-named-pipes v0.1.6
[INFO] [stderr]   Downloaded futures-macro v0.3.4
[INFO] [stderr]   Downloaded futures-executor v0.3.4
[INFO] [stderr]   Downloaded pin-utils v0.1.0-alpha.4
[INFO] [stderr]   Downloaded futures v0.3.4
[INFO] [stderr]   Downloaded num_cpus v1.12.0
[INFO] [stderr]   Downloaded proc-macro-nested v0.1.4
[INFO] [stderr]   Downloaded miow v0.3.3
[INFO] [stderr]   Downloaded hermit-abi v0.1.10
[INFO] [stderr]   Downloaded arc-swap v0.4.5
[INFO] [stderr]   Downloaded tokio v0.2.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b71cf89588aebbe853c72db0481c7fdb29d75d7f294c7de9213847a726cb1f5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4b71cf89588aebbe853c72db0481c7fdb29d75d7f294c7de9213847a726cb1f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b71cf89588aebbe853c72db0481c7fdb29d75d7f294c7de9213847a726cb1f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b71cf89588aebbe853c72db0481c7fdb29d75d7f294c7de9213847a726cb1f5", kill_on_drop: false }`
[INFO] [stdout] 4b71cf89588aebbe853c72db0481c7fdb29d75d7f294c7de9213847a726cb1f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97aa2eb62961707fb318ea62e2acb6f0371c005d1d87ff8f51b779191b49b2e5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "97aa2eb62961707fb318ea62e2acb6f0371c005d1d87ff8f51b779191b49b2e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling futures-sink v0.3.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling futures-io v0.3.4
[INFO] [stderr]    Compiling futures-task v0.3.4
[INFO] [stderr]    Compiling arc-swap v0.4.5
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling pin-project-lite v0.1.4
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling tokio v0.2.17
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling futures v0.3.4
[INFO] [stderr]    Compiling SkRustNetworking v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::thread::Thread`
[INFO] [stdout]  --> src/async_await_basics.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::thread::Thread;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc`
[INFO] [stdout]  --> src/async_await_basics.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::mpsc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::join`
[INFO] [stdout]  --> src/async_await_basics.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::join;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `async_await_basics_main`
[INFO] [stdout]   --> src/async_await_basics.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn async_await_basics_main() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Song`
[INFO] [stdout]   --> src/async_await_basics.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | struct Song {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/async_await_basics.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn new() -> Song {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `learn_song`
[INFO] [stdout]   --> src/async_await_basics.rs:58:10
[INFO] [stdout]    |
[INFO] [stdout] 58 | async fn learn_song() -> Song {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sing_song`
[INFO] [stdout]   --> src/async_await_basics.rs:66:10
[INFO] [stdout]    |
[INFO] [stdout] 66 | async fn sing_song(song: Song) {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dance`
[INFO] [stdout]   --> src/async_await_basics.rs:72:10
[INFO] [stdout]    |
[INFO] [stdout] 72 | async fn dance() {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `learn_and_sing`
[INFO] [stdout]   --> src/async_await_basics.rs:76:10
[INFO] [stdout]    |
[INFO] [stdout] 76 | async fn learn_and_sing() {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `async_main`
[INFO] [stdout]   --> src/async_await_basics.rs:81:10
[INFO] [stdout]    |
[INFO] [stdout] 81 | async fn async_main() {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Executor`
[INFO] [stdout]    --> src/async_await_basics.rs:163:8
[INFO] [stdout]     |
[INFO] [stdout] 163 | struct Executor {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `future`
[INFO] [stdout]    --> src/async_await_basics.rs:182:5
[INFO] [stdout]     |
[INFO] [stdout] 182 |     future: Mutex<Option<BoxFuture<'static, ()>>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `new_executor_and_spawner`
[INFO] [stdout]    --> src/async_await_basics.rs:188:4
[INFO] [stdout]     |
[INFO] [stdout] 188 | fn new_executor_and_spawner() -> (Executor, Spawner) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `spawn`
[INFO] [stdout]    --> src/async_await_basics.rs:198:8
[INFO] [stdout]     |
[INFO] [stdout] 198 |     fn spawn(&self, future: impl Future<Output=()> + 'static + Send) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run`
[INFO] [stdout]    --> src/async_await_basics.rs:224:8
[INFO] [stdout]     |
[INFO] [stdout] 224 |     fn run(&self) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `SkRustNetworking` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `sk_rust_networking`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::net::TcpStream`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use tokio::net::TcpStream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::io::AsyncWrite`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::io::AsyncWrite;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::prelude::*`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::prelude`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tokio::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `SkRustNetworking` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `sk_rust_networking`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.65s
[INFO] running `Command { std: "docker" "inspect" "97aa2eb62961707fb318ea62e2acb6f0371c005d1d87ff8f51b779191b49b2e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97aa2eb62961707fb318ea62e2acb6f0371c005d1d87ff8f51b779191b49b2e5", kill_on_drop: false }`
[INFO] [stdout] 97aa2eb62961707fb318ea62e2acb6f0371c005d1d87ff8f51b779191b49b2e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 564a6f17cc475df1b95a1805c324b0c29320d3af7a26d2bdb352e6e8e47bf019
[INFO] running `Command { std: "docker" "start" "-a" "564a6f17cc475df1b95a1805c324b0c29320d3af7a26d2bdb352e6e8e47bf019", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::thread::Thread`
[INFO] [stdout]  --> src/async_await_basics.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::thread::Thread;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc`
[INFO] [stdout]  --> src/async_await_basics.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::mpsc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::join`
[INFO] [stdout]  --> src/async_await_basics.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::join;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `async_await_basics_main`
[INFO] [stdout]   --> src/async_await_basics.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn async_await_basics_main() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Song`
[INFO] [stdout]   --> src/async_await_basics.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | struct Song {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/async_await_basics.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn new() -> Song {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `learn_song`
[INFO] [stdout]   --> src/async_await_basics.rs:58:10
[INFO] [stdout]    |
[INFO] [stdout] 58 | async fn learn_song() -> Song {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sing_song`
[INFO] [stdout]   --> src/async_await_basics.rs:66:10
[INFO] [stdout]    |
[INFO] [stdout] 66 | async fn sing_song(song: Song) {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dance`
[INFO] [stdout]   --> src/async_await_basics.rs:72:10
[INFO] [stdout]    |
[INFO] [stdout] 72 | async fn dance() {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `learn_and_sing`
[INFO] [stdout]   --> src/async_await_basics.rs:76:10
[INFO] [stdout]    |
[INFO] [stdout] 76 | async fn learn_and_sing() {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `async_main`
[INFO] [stdout]   --> src/async_await_basics.rs:81:10
[INFO] [stdout]    |
[INFO] [stdout] 81 | async fn async_main() {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Executor`
[INFO] [stdout]    --> src/async_await_basics.rs:163:8
[INFO] [stdout]     |
[INFO] [stdout] 163 | struct Executor {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `future`
[INFO] [stdout]    --> src/async_await_basics.rs:182:5
[INFO] [stdout]     |
[INFO] [stdout] 182 |     future: Mutex<Option<BoxFuture<'static, ()>>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `new_executor_and_spawner`
[INFO] [stdout]    --> src/async_await_basics.rs:188:4
[INFO] [stdout]     |
[INFO] [stdout] 188 | fn new_executor_and_spawner() -> (Executor, Spawner) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `spawn`
[INFO] [stdout]    --> src/async_await_basics.rs:198:8
[INFO] [stdout]     |
[INFO] [stdout] 198 |     fn spawn(&self, future: impl Future<Output=()> + 'static + Send) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run`
[INFO] [stdout]    --> src/async_await_basics.rs:224:8
[INFO] [stdout]     |
[INFO] [stdout] 224 |     fn run(&self) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `SkRustNetworking` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `sk_rust_networking`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling SkRustNetworking v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::thread::Thread`
[INFO] [stdout]  --> src/async_await_basics.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::thread::Thread;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc`
[INFO] [stdout]  --> src/async_await_basics.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::mpsc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::join`
[INFO] [stdout]  --> src/async_await_basics.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::join;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `async_await_basics_main`
[INFO] [stdout]   --> src/async_await_basics.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn async_await_basics_main() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Song`
[INFO] [stdout]   --> src/async_await_basics.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | struct Song {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/async_await_basics.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn new() -> Song {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `learn_song`
[INFO] [stdout]   --> src/async_await_basics.rs:58:10
[INFO] [stdout]    |
[INFO] [stdout] 58 | async fn learn_song() -> Song {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sing_song`
[INFO] [stdout]   --> src/async_await_basics.rs:66:10
[INFO] [stdout]    |
[INFO] [stdout] 66 | async fn sing_song(song: Song) {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dance`
[INFO] [stdout]   --> src/async_await_basics.rs:72:10
[INFO] [stdout]    |
[INFO] [stdout] 72 | async fn dance() {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `learn_and_sing`
[INFO] [stdout]   --> src/async_await_basics.rs:76:10
[INFO] [stdout]    |
[INFO] [stdout] 76 | async fn learn_and_sing() {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `async_main`
[INFO] [stdout]   --> src/async_await_basics.rs:81:10
[INFO] [stdout]    |
[INFO] [stdout] 81 | async fn async_main() {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Executor`
[INFO] [stdout]    --> src/async_await_basics.rs:163:8
[INFO] [stdout]     |
[INFO] [stdout] 163 | struct Executor {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `future`
[INFO] [stdout]    --> src/async_await_basics.rs:182:5
[INFO] [stdout]     |
[INFO] [stdout] 182 |     future: Mutex<Option<BoxFuture<'static, ()>>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `new_executor_and_spawner`
[INFO] [stdout]    --> src/async_await_basics.rs:188:4
[INFO] [stdout]     |
[INFO] [stdout] 188 | fn new_executor_and_spawner() -> (Executor, Spawner) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `spawn`
[INFO] [stdout]    --> src/async_await_basics.rs:198:8
[INFO] [stdout]     |
[INFO] [stdout] 198 |     fn spawn(&self, future: impl Future<Output=()> + 'static + Send) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run`
[INFO] [stdout]    --> src/async_await_basics.rs:224:8
[INFO] [stdout]     |
[INFO] [stdout] 224 |     fn run(&self) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `SkRustNetworking` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `sk_rust_networking`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::net::TcpStream`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use tokio::net::TcpStream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::io::AsyncWrite`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::io::AsyncWrite;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::prelude::*`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::prelude`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tokio::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `SkRustNetworking` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `sk_rust_networking`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "564a6f17cc475df1b95a1805c324b0c29320d3af7a26d2bdb352e6e8e47bf019", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "564a6f17cc475df1b95a1805c324b0c29320d3af7a26d2bdb352e6e8e47bf019", kill_on_drop: false }`
[INFO] [stdout] 564a6f17cc475df1b95a1805c324b0c29320d3af7a26d2bdb352e6e8e47bf019
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 058ca43ec5880697208c7dcf7c8b96d1d53511c9b0c4dafefe83b1530171da23
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "058ca43ec5880697208c7dcf7c8b96d1d53511c9b0c4dafefe83b1530171da23", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `std::thread::Thread`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/async_await_basics.rs:2:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 2 | use std::thread::Thread;
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::mpsc`
[INFO] [stderr]  --> src/async_await_basics.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::sync::mpsc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures::join`
[INFO] [stderr]  --> src/async_await_basics.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use futures::join;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `async_await_basics_main`
[INFO] [stderr]   --> src/async_await_basics.rs:26:4
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn async_await_basics_main() {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Song`
[INFO] [stderr]   --> src/async_await_basics.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 48 | struct Song {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/async_await_basics.rs:53:8
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn new() -> Song {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `learn_song`
[INFO] [stderr]   --> src/async_await_basics.rs:58:10
[INFO] [stderr]    |
[INFO] [stderr] 58 | async fn learn_song() -> Song {
[INFO] [stderr]    |          ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sing_song`
[INFO] [stderr]   --> src/async_await_basics.rs:66:10
[INFO] [stderr]    |
[INFO] [stderr] 66 | async fn sing_song(song: Song) {
[INFO] [stderr]    |          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dance`
[INFO] [stderr]   --> src/async_await_basics.rs:72:10
[INFO] [stderr]    |
[INFO] [stderr] 72 | async fn dance() {
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `learn_and_sing`
[INFO] [stderr]   --> src/async_await_basics.rs:76:10
[INFO] [stderr]    |
[INFO] [stderr] 76 | async fn learn_and_sing() {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `async_main`
[INFO] [stderr]   --> src/async_await_basics.rs:81:10
[INFO] [stderr]    |
[INFO] [stderr] 81 | async fn async_main() {
[INFO] [stderr]    |          ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Executor`
[INFO] [stderr]    --> src/async_await_basics.rs:163:8
[INFO] [stderr]     |
[INFO] [stderr] 163 | struct Executor {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `future`
[INFO] [stderr]    --> src/async_await_basics.rs:182:5
[INFO] [stderr]     |
[INFO] [stderr] 182 |     future: Mutex<Option<BoxFuture<'static, ()>>>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `new_executor_and_spawner`
[INFO] [stderr]    --> src/async_await_basics.rs:188:4
[INFO] [stderr]     |
[INFO] [stderr] 188 | fn new_executor_and_spawner() -> (Executor, Spawner) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `spawn`
[INFO] [stderr]    --> src/async_await_basics.rs:198:8
[INFO] [stderr]     |
[INFO] [stderr] 198 |     fn spawn(&self, future: impl Future<Output=()> + 'static + Send) {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `run`
[INFO] [stderr]    --> src/async_await_basics.rs:224:8
[INFO] [stderr]     |
[INFO] [stderr] 224 |     fn run(&self) {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `SkRustNetworking` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `sk_rust_networking`
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread::Thread`
[INFO] [stderr]  --> src/async_await_basics.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::thread::Thread;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::mpsc`
[INFO] [stderr]  --> src/async_await_basics.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::sync::mpsc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures::join`
[INFO] [stderr]  --> src/async_await_basics.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use futures::join;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `async_await_basics_main`
[INFO] [stderr]   --> src/async_await_basics.rs:26:4
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn async_await_basics_main() {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Song`
[INFO] [stderr]   --> src/async_await_basics.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 48 | struct Song {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/async_await_basics.rs:53:8
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn new() -> Song {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `learn_song`
[INFO] [stderr]   --> src/async_await_basics.rs:58:10
[INFO] [stderr]    |
[INFO] [stderr] 58 | async fn learn_song() -> Song {
[INFO] [stderr]    |          ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sing_song`
[INFO] [stderr]   --> src/async_await_basics.rs:66:10
[INFO] [stderr]    |
[INFO] [stderr] 66 | async fn sing_song(song: Song) {
[INFO] [stderr]    |          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dance`
[INFO] [stderr]   --> src/async_await_basics.rs:72:10
[INFO] [stderr]    |
[INFO] [stderr] 72 | async fn dance() {
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `learn_and_sing`
[INFO] [stderr]   --> src/async_await_basics.rs:76:10
[INFO] [stderr]    |
[INFO] [stderr] 76 | async fn learn_and_sing() {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `async_main`
[INFO] [stderr]   --> src/async_await_basics.rs:81:10
[INFO] [stderr]    |
[INFO] [stderr] 81 | async fn async_main() {
[INFO] [stderr]    |          ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Executor`
[INFO] [stderr]    --> src/async_await_basics.rs:163:8
[INFO] [stderr]     |
[INFO] [stderr] 163 | struct Executor {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `future`
[INFO] [stderr]    --> src/async_await_basics.rs:182:5
[INFO] [stderr]     |
[INFO] [stderr] 182 |     future: Mutex<Option<BoxFuture<'static, ()>>>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `new_executor_and_spawner`
[INFO] [stderr]    --> src/async_await_basics.rs:188:4
[INFO] [stderr]     |
[INFO] [stderr] 188 | fn new_executor_and_spawner() -> (Executor, Spawner) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `spawn`
[INFO] [stderr]    --> src/async_await_basics.rs:198:8
[INFO] [stderr]     |
[INFO] [stderr] 198 |     fn spawn(&self, future: impl Future<Output=()> + 'static + Send) {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `run`
[INFO] [stderr]    --> src/async_await_basics.rs:224:8
[INFO] [stderr]     |
[INFO] [stderr] 224 |     fn run(&self) {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `SkRustNetworking` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `sk_rust_networking`
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::net::TcpStream`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use tokio::net::TcpStream;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::io::AsyncWrite`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use tokio::io::AsyncWrite;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::prelude::*`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use tokio::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::prelude`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use tokio::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `SkRustNetworking` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `sk_rust_networking`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/SkRustNetworking-c80af1abc6b319b7)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/SkRustNetworking-afd68c16ab20f2e3)
[INFO] [stderr]    Doc-tests SkRustNetworking
[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] [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" "058ca43ec5880697208c7dcf7c8b96d1d53511c9b0c4dafefe83b1530171da23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "058ca43ec5880697208c7dcf7c8b96d1d53511c9b0c4dafefe83b1530171da23", kill_on_drop: false }`
[INFO] [stdout] 058ca43ec5880697208c7dcf7c8b96d1d53511c9b0c4dafefe83b1530171da23