[INFO] cloning repository https://github.com/w32s/async_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/w32s/async_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fw32s%2Fasync_rust", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f2facab8693c25a65be56ba9d3abb1fcff1bd77
[INFO] checking w32s/async_rust against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fw32s%2Fasync_rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/w32s/async_rust
[INFO] finished tweaking git repo https://github.com/w32s/async_rust
[INFO] tweaked toml for git repo https://github.com/w32s/async_rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/w32s/async_rust on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
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[INFO] crate git repo https://github.com/w32s/async_rust 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]    Compiling proc-macro2 v1.0.88
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[INFO] [stdout] warning: unused import: `BitAndAssign`
[INFO] [stdout]  --> src/shared.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{BitAndAssign, Deref};
[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: `MutexGuard`
[INFO] [stdout]  --> src/shared.rs:2:38
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::{Arc, Condvar, Mutex, MutexGuard};
[INFO] [stdout]   |                                      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BitAndAssign`
[INFO] [stdout]  --> src/shared.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{BitAndAssign, Deref};
[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: `MutexGuard`
[INFO] [stdout]  --> src/shared.rs:2:38
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::{Arc, Condvar, Mutex, MutexGuard};
[INFO] [stdout]   |                                      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/shared.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut received_value = match shared_data.lock() {
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/shared.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut received_value = match shared_data.lock() {
[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: `received_value`
[INFO] [stdout]   --> src/shared.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut received_value = match shared_data.lock() {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_received_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/shared.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let res = clone.lock();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `contents`
[INFO] [stdout]   --> src/fileread.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let contents = read_file(filename).await.unwrap();
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_contents`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sync_http_calls` is never used
[INFO] [stdout]   --> src/main.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 | async fn sync_http_calls() -> Result<Result<(), Error>, Error> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `async_http` is never used
[INFO] [stdout]   --> src/main.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 45 | async fn async_http() -> Result<Result<(), Error>, Error> {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `single_threaded_fib` is never used
[INFO] [stdout]   --> src/main.rs:62:10
[INFO] [stdout]    |
[INFO] [stdout] 62 | async fn single_threaded_fib() -> Result<(), Error> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `multi_threaded_fib` is never used
[INFO] [stdout]   --> src/main.rs:75:10
[INFO] [stdout]    |
[INFO] [stdout] 75 | async fn multi_threaded_fib() -> Result<(), Error> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fibonacci` is never used
[INFO] [stdout]   --> src/main.rs:96:4
[INFO] [stdout]    |
[INFO] [stdout] 96 | fn fibonacci(n: u64) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `poisoned_mutex` is never used
[INFO] [stdout]   --> src/shared.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub async fn poisoned_mutex(){
[INFO] [stdout]    |              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sharing_data_between_threads` is never used
[INFO] [stdout]   --> src/shared.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub(crate) async fn sharing_data_between_threads() {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_file` is never used
[INFO] [stdout]  --> src/fileread.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | async fn read_file(filename: &str) -> Result<String, std::io::Error> {
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `file_demo` is never used
[INFO] [stdout]   --> src/fileread.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) async fn file_demo() {
[INFO] [stdout]    |                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `watch_file_changes` is never used
[INFO] [stdout]   --> src/fileread.rs:29:10
[INFO] [stdout]    |
[INFO] [stdout] 29 | async fn watch_file_changes(tx: watch::Sender<bool>) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Response` is never constructed
[INFO] [stdout]  --> src/http.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Response {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PostResponse` is never constructed
[INFO] [stdout]   --> src/http.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct PostResponse {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fetch_data` is never used
[INFO] [stdout]   --> src/http.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | async fn fetch_data(seconds: u64) -> Result<Response, Error> {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fetch_post` is never used
[INFO] [stdout]   --> src/http.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 | async fn fetch_post() { // Simulate database call
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_last_login` is never used
[INFO] [stdout]   --> src/http.rs:36:10
[INFO] [stdout]    |
[INFO] [stdout] 36 | async fn calculate_last_login() { // Simulate database call
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `async_http_example` is never used
[INFO] [stdout]   --> src/http.rs:42:21
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub(crate) async fn async_http_example()-> Result<(), Error> {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `received_value`
[INFO] [stdout]   --> src/shared.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut received_value = match shared_data.lock() {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_received_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/shared.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let res = clone.lock();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `contents`
[INFO] [stdout]   --> src/fileread.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let contents = read_file(filename).await.unwrap();
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_contents`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sync_http_calls` is never used
[INFO] [stdout]   --> src/main.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 | async fn sync_http_calls() -> Result<Result<(), Error>, Error> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `async_http` is never used
[INFO] [stdout]   --> src/main.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 45 | async fn async_http() -> Result<Result<(), Error>, Error> {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `single_threaded_fib` is never used
[INFO] [stdout]   --> src/main.rs:62:10
[INFO] [stdout]    |
[INFO] [stdout] 62 | async fn single_threaded_fib() -> Result<(), Error> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `multi_threaded_fib` is never used
[INFO] [stdout]   --> src/main.rs:75:10
[INFO] [stdout]    |
[INFO] [stdout] 75 | async fn multi_threaded_fib() -> Result<(), Error> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fibonacci` is never used
[INFO] [stdout]   --> src/main.rs:96:4
[INFO] [stdout]    |
[INFO] [stdout] 96 | fn fibonacci(n: u64) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `poisoned_mutex` is never used
[INFO] [stdout]   --> src/shared.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub async fn poisoned_mutex(){
[INFO] [stdout]    |              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sharing_data_between_threads` is never used
[INFO] [stdout]   --> src/shared.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub(crate) async fn sharing_data_between_threads() {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_file` is never used
[INFO] [stdout]  --> src/fileread.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | async fn read_file(filename: &str) -> Result<String, std::io::Error> {
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `file_demo` is never used
[INFO] [stdout]   --> src/fileread.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) async fn file_demo() {
[INFO] [stdout]    |                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `watch_file_changes` is never used
[INFO] [stdout]   --> src/fileread.rs:29:10
[INFO] [stdout]    |
[INFO] [stdout] 29 | async fn watch_file_changes(tx: watch::Sender<bool>) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Response` is never constructed
[INFO] [stdout]  --> src/http.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Response {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PostResponse` is never constructed
[INFO] [stdout]   --> src/http.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct PostResponse {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fetch_data` is never used
[INFO] [stdout]   --> src/http.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | async fn fetch_data(seconds: u64) -> Result<Response, Error> {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fetch_post` is never used
[INFO] [stdout]   --> src/http.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 | async fn fetch_post() { // Simulate database call
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_last_login` is never used
[INFO] [stdout]   --> src/http.rs:36:10
[INFO] [stdout]    |
[INFO] [stdout] 36 | async fn calculate_last_login() { // Simulate database call
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `async_http_example` is never used
[INFO] [stdout]   --> src/http.rs:42:21
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub(crate) async fn async_http_example()-> Result<(), Error> {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.72s
[INFO] running `Command { std: "docker" "inspect" "93dc9e8ce45e4232fcfb0e611d74aec8620326854fc68f034f96dc946abea555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93dc9e8ce45e4232fcfb0e611d74aec8620326854fc68f034f96dc946abea555", kill_on_drop: false }`
[INFO] [stdout] 93dc9e8ce45e4232fcfb0e611d74aec8620326854fc68f034f96dc946abea555
