[INFO] cloning repository https://github.com/rojer-98/otus-async-lection
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rojer-98/otus-async-lection" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frojer-98%2Fotus-async-lection", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frojer-98%2Fotus-async-lection'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e39a2d9e170e0f3285c67b39c03756f287359f63
[INFO] checking rojer-98/otus-async-lection against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frojer-98%2Fotus-async-lection" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rojer-98/otus-async-lection
[INFO] finished tweaking git repo https://github.com/rojer-98/otus-async-lection
[INFO] tweaked toml for git repo https://github.com/rojer-98/otus-async-lection written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rojer-98/otus-async-lection on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rojer-98/otus-async-lection 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "b1354a2eed3422770a0ea3da78e8c4bf263f899f238420b77af8553f4e45f0d9", kill_on_drop: false }`
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[INFO] [stdout] 1925e96351fcfb5d52eca78a5249a70b753fe7608f2ea83f50eea29619bc7dc6
[INFO] running `Command { std: "docker" "start" "-a" "1925e96351fcfb5d52eca78a5249a70b753fe7608f2ea83f50eea29619bc7dc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking smallvec v1.11.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.32
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking tokio v1.33.0
[INFO] [stderr]     Checking otus_lection v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `new_runtime::runtime_main`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use new_runtime::runtime_main;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `pin_test_simple` and `pin_test`
[INFO] [stdout]  --> src/main.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 | use pinned::{pin_test, pin_test_simple};
[INFO] [stdout]   |              ^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `noop_waker` has been stable since 1.85.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(noop_waker)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `w_cast` is never used
[INFO] [stdout]   --> src/new_runtime.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn w_cast<T: Wakeable>(w: *const ()) -> Arc<T> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `WakeableTraitObject` is never used
[INFO] [stdout]   --> src/new_runtime.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | trait WakeableTraitObject: Wakeable + Sized {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Wakeable` is never used
[INFO] [stdout]   --> src/new_runtime.rs:74:11
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub trait Wakeable: Sized {
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Task` is never constructed
[INFO] [stdout]   --> src/new_runtime.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub struct Task {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Runtime` is never constructed
[INFO] [stdout]   --> src/new_runtime.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub struct Runtime {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `work_on` and `process` are never used
[INFO] [stdout]    --> src/new_runtime.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 112 | impl Runtime {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] 113 |     fn work_on(&mut self, fut: impl Future<Output = ()> + 'static) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |     fn process(&mut self) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GiveNumberFuture` is never constructed
[INFO] [stdout]    --> src/new_runtime.rs:141:8
[INFO] [stdout]     |
[INFO] [stdout] 141 | struct GiveNumberFuture {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fut` is never used
[INFO] [stdout]    --> src/new_runtime.rs:165:10
[INFO] [stdout]     |
[INFO] [stdout] 165 | async fn fut() {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `runtime_main` is never used
[INFO] [stdout]    --> src/new_runtime.rs:176:8
[INFO] [stdout]     |
[INFO] [stdout] 176 | pub fn runtime_main() {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Test` is never constructed
[INFO] [stdout]  --> src/pinned.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Test {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `init`, `a`, and `b` are never used
[INFO] [stdout]   --> src/pinned.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Test {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 11 |     fn new(txt: &str) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn init(&mut self) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn a(&self) -> &str {
[INFO] [stdout]    |        ^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn b(&self) -> &str {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pin_test_simple` is never used
[INFO] [stdout]   --> src/pinned.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn pin_test_simple() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestPin` is never constructed
[INFO] [stdout]   --> src/pinned.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | struct TestPin {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `init`, `a`, and `b` are never used
[INFO] [stdout]    --> src/pinned.rs:82:8
[INFO] [stdout]     |
[INFO] [stdout]  81 | impl TestPin {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout]  82 |     fn new(txt: &str) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  90 |     fn init(self: Pin<&mut Self>) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  97 |     fn a(self: Pin<&Self>) -> &str {
[INFO] [stdout]     |        ^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     fn b(self: Pin<&Self>) -> &str {
[INFO] [stdout]     |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pin_test` is never used
[INFO] [stdout]    --> src/pinned.rs:106:8
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub fn pin_test() {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Task` is never constructed
[INFO] [stdout]  --> src/runtime.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Task {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Runtime` is never constructed
[INFO] [stdout]   --> src/runtime.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Runtime {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `work_on` and `process` are never used
[INFO] [stdout]   --> src/runtime.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Runtime {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] 16 |     fn work_on(&mut self, fut: impl Future<Output = ()> + 'static) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn process(&mut self) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GiveNumberFuture` is never constructed
[INFO] [stdout]   --> src/runtime.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | struct GiveNumberFuture {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fut` is never used
[INFO] [stdout]   --> src/runtime.rs:63:10
[INFO] [stdout]    |
[INFO] [stdout] 63 | async fn fut() {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `runtime_main` is never used
[INFO] [stdout]   --> src/runtime.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn runtime_main() {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_print` is never used
[INFO] [stdout]   --> src/use_tokio.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub async fn random_print(num: i32) {
[INFO] [stdout]    |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_tokio` is never used
[INFO] [stdout]   --> src/use_tokio.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn test_tokio() {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `new_runtime::runtime_main`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use new_runtime::runtime_main;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `pin_test_simple` and `pin_test`
[INFO] [stdout]  --> src/main.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 | use pinned::{pin_test, pin_test_simple};
[INFO] [stdout]   |              ^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `noop_waker` has been stable since 1.85.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(noop_waker)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `w_cast` is never used
[INFO] [stdout]   --> src/new_runtime.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn w_cast<T: Wakeable>(w: *const ()) -> Arc<T> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `WakeableTraitObject` is never used
[INFO] [stdout]   --> src/new_runtime.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | trait WakeableTraitObject: Wakeable + Sized {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Wakeable` is never used
[INFO] [stdout]   --> src/new_runtime.rs:74:11
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub trait Wakeable: Sized {
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Task` is never constructed
[INFO] [stdout]   --> src/new_runtime.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub struct Task {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Runtime` is never constructed
[INFO] [stdout]   --> src/new_runtime.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub struct Runtime {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `work_on` and `process` are never used
[INFO] [stdout]    --> src/new_runtime.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 112 | impl Runtime {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] 113 |     fn work_on(&mut self, fut: impl Future<Output = ()> + 'static) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |     fn process(&mut self) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GiveNumberFuture` is never constructed
[INFO] [stdout]    --> src/new_runtime.rs:141:8
[INFO] [stdout]     |
[INFO] [stdout] 141 | struct GiveNumberFuture {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fut` is never used
[INFO] [stdout]    --> src/new_runtime.rs:165:10
[INFO] [stdout]     |
[INFO] [stdout] 165 | async fn fut() {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `runtime_main` is never used
[INFO] [stdout]    --> src/new_runtime.rs:176:8
[INFO] [stdout]     |
[INFO] [stdout] 176 | pub fn runtime_main() {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Test` is never constructed
[INFO] [stdout]  --> src/pinned.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Test {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `init`, `a`, and `b` are never used
[INFO] [stdout]   --> src/pinned.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Test {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 11 |     fn new(txt: &str) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn init(&mut self) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn a(&self) -> &str {
[INFO] [stdout]    |        ^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn b(&self) -> &str {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pin_test_simple` is never used
[INFO] [stdout]   --> src/pinned.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn pin_test_simple() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestPin` is never constructed
[INFO] [stdout]   --> src/pinned.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | struct TestPin {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `init`, `a`, and `b` are never used
[INFO] [stdout]    --> src/pinned.rs:82:8
[INFO] [stdout]     |
[INFO] [stdout]  81 | impl TestPin {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout]  82 |     fn new(txt: &str) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  90 |     fn init(self: Pin<&mut Self>) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  97 |     fn a(self: Pin<&Self>) -> &str {
[INFO] [stdout]     |        ^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     fn b(self: Pin<&Self>) -> &str {
[INFO] [stdout]     |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pin_test` is never used
[INFO] [stdout]    --> src/pinned.rs:106:8
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub fn pin_test() {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Task` is never constructed
[INFO] [stdout]  --> src/runtime.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Task {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Runtime` is never constructed
[INFO] [stdout]   --> src/runtime.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Runtime {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `work_on` and `process` are never used
[INFO] [stdout]   --> src/runtime.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Runtime {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] 16 |     fn work_on(&mut self, fut: impl Future<Output = ()> + 'static) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn process(&mut self) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GiveNumberFuture` is never constructed
[INFO] [stdout]   --> src/runtime.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | struct GiveNumberFuture {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fut` is never used
[INFO] [stdout]   --> src/runtime.rs:63:10
[INFO] [stdout]    |
[INFO] [stdout] 63 | async fn fut() {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `runtime_main` is never used
[INFO] [stdout]   --> src/runtime.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn runtime_main() {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_print` is never used
[INFO] [stdout]   --> src/use_tokio.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub async fn random_print(num: i32) {
[INFO] [stdout]    |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_tokio` is never used
[INFO] [stdout]   --> src/use_tokio.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn test_tokio() {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.98s
[INFO] running `Command { std: "docker" "inspect" "1925e96351fcfb5d52eca78a5249a70b753fe7608f2ea83f50eea29619bc7dc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1925e96351fcfb5d52eca78a5249a70b753fe7608f2ea83f50eea29619bc7dc6", kill_on_drop: false }`
[INFO] [stdout] 1925e96351fcfb5d52eca78a5249a70b753fe7608f2ea83f50eea29619bc7dc6
