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[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jashwanth-k/rust-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJashwanth-k%2Frust-learn", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a4f90ea0f9cf8857acd1db91253b476c130e95a0
[INFO] checking Jashwanth-k/rust-learn against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJashwanth-k%2Frust-learn" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Jashwanth-k/rust-learn
[INFO] finished tweaking git repo https://github.com/Jashwanth-k/rust-learn
[INFO] tweaked toml for git repo https://github.com/Jashwanth-k/rust-learn written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Jashwanth-k/rust-learn on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
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[INFO] crate git repo https://github.com/Jashwanth-k/rust-learn already has a lockfile, it will not be regenerated
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[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]    --> src/main.rs:774:5
[INFO] [stdout]     |
[INFO] [stdout] 774 | use std::fmt::format;
[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: `std::rc::Rc`
[INFO] [stdout]    --> src/main.rs:776:5
[INFO] [stdout]     |
[INFO] [stdout] 776 | use std::rc::Rc;
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]    --> src/main.rs:777:5
[INFO] [stdout]     |
[INFO] [stdout] 777 | use std::sync::Arc;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc`
[INFO] [stdout]    --> src/main.rs:779:5
[INFO] [stdout]     |
[INFO] [stdout] 779 | use std::sync::mpsc;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Mutex`
[INFO] [stdout]    --> src/main.rs:780:5
[INFO] [stdout]     |
[INFO] [stdout] 780 | use std::sync::Mutex;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::JoinHandle`
[INFO] [stdout]    --> src/main.rs:781:5
[INFO] [stdout]     |
[INFO] [stdout] 781 | use std::thread::JoinHandle;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::vec`
[INFO] [stdout]    --> src/main.rs:783:5
[INFO] [stdout]     |
[INFO] [stdout] 783 | use std::vec;
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Context` and `Poll`
[INFO] [stdout]    --> src/main.rs:903:17
[INFO] [stdout]     |
[INFO] [stdout] 903 | use std::task::{Context, Poll};
[INFO] [stdout]     |                 ^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `executor::*`
[INFO] [stdout]    --> src/main.rs:917:5
[INFO] [stdout]     |
[INFO] [stdout] 917 | use executor::*;
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `while let` pattern
[INFO] [stdout]    --> src/main.rs:992:15
[INFO] [stdout]     |
[INFO] [stdout] 992 |         while let data = rx.recv().await {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the loop will never exit
[INFO] [stdout]     = help: consider instead using a `loop { ... }` with a `let` inside it
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:926:9
[INFO] [stdout]     |
[INFO] [stdout] 926 |     let mut future = Box::pin(get_data("https://example.com"));
[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: `future`
[INFO] [stdout]    --> src/main.rs:926:9
[INFO] [stdout]     |
[INFO] [stdout] 926 |     let mut future = Box::pin(get_data("https://example.com"));
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_future`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/main.rs:972:9
[INFO] [stdout]     |
[INFO] [stdout] 972 |     let result = trpl::join(async1, async2);
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `all_futures`
[INFO] [stdout]     --> src/main.rs:1014:9
[INFO] [stdout]      |
[INFO] [stdout] 1014 |     let all_futures: [Pin<&mut dyn Future<Output = ()>>; 3]= [tx_fut, rx_fut, tx2_fut];
[INFO] [stdout]      |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_all_futures`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `slow`
[INFO] [stdout]     --> src/main.rs:1018:9
[INFO] [stdout]      |
[INFO] [stdout] 1018 |     let slow = async {
[INFO] [stdout]      |         ^^^^ help: if this is intentional, prefix it with an underscore: `_slow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fast`
[INFO] [stdout]     --> src/main.rs:1023:9
[INFO] [stdout]      |
[INFO] [stdout] 1023 |     let fast = async {
[INFO] [stdout]      |         ^^^^ help: if this is intentional, prefix it with an underscore: `_fast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `slowBlocking` should have a snake case name
[INFO] [stdout]    --> src/main.rs:920:4
[INFO] [stdout]     |
[INFO] [stdout] 920 | fn slowBlocking(operType : &str, ms : u32) {
[INFO] [stdout]     |    ^^^^^^^^^^^^ help: convert the identifier to snake case: `slow_blocking`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `operType` should have a snake case name
[INFO] [stdout]    --> src/main.rs:920:17
[INFO] [stdout]     |
[INFO] [stdout] 920 | fn slowBlocking(operType : &str, ms : u32) {
[INFO] [stdout]     |                 ^^^^^^^^ help: convert the identifier to snake case: `oper_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:986:13
[INFO] [stdout]     |
[INFO] [stdout] 986 |             tx.send(i);
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 986 |             let _ = tx.send(i);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/main.rs:1009:13
[INFO] [stdout]      |
[INFO] [stdout] 1009 |             tx_clone.send(i);
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1009 |             let _ = tx_clone.send(i);
[INFO] [stdout]      |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]    --> src/main.rs:774:5
[INFO] [stdout]     |
[INFO] [stdout] 774 | use std::fmt::format;
[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: `std::rc::Rc`
[INFO] [stdout]    --> src/main.rs:776:5
[INFO] [stdout]     |
[INFO] [stdout] 776 | use std::rc::Rc;
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]    --> src/main.rs:777:5
[INFO] [stdout]     |
[INFO] [stdout] 777 | use std::sync::Arc;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc`
[INFO] [stdout]    --> src/main.rs:779:5
[INFO] [stdout]     |
[INFO] [stdout] 779 | use std::sync::mpsc;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Mutex`
[INFO] [stdout]    --> src/main.rs:780:5
[INFO] [stdout]     |
[INFO] [stdout] 780 | use std::sync::Mutex;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::JoinHandle`
[INFO] [stdout]    --> src/main.rs:781:5
[INFO] [stdout]     |
[INFO] [stdout] 781 | use std::thread::JoinHandle;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::vec`
[INFO] [stdout]    --> src/main.rs:783:5
[INFO] [stdout]     |
[INFO] [stdout] 783 | use std::vec;
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Context` and `Poll`
[INFO] [stdout]    --> src/main.rs:903:17
[INFO] [stdout]     |
[INFO] [stdout] 903 | use std::task::{Context, Poll};
[INFO] [stdout]     |                 ^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `executor::*`
[INFO] [stdout]    --> src/main.rs:917:5
[INFO] [stdout]     |
[INFO] [stdout] 917 | use executor::*;
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `while let` pattern
[INFO] [stdout]    --> src/main.rs:992:15
[INFO] [stdout]     |
[INFO] [stdout] 992 |         while let data = rx.recv().await {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the loop will never exit
[INFO] [stdout]     = help: consider instead using a `loop { ... }` with a `let` inside it
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:926:9
[INFO] [stdout]     |
[INFO] [stdout] 926 |     let mut future = Box::pin(get_data("https://example.com"));
[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: `future`
[INFO] [stdout]    --> src/main.rs:926:9
[INFO] [stdout]     |
[INFO] [stdout] 926 |     let mut future = Box::pin(get_data("https://example.com"));
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_future`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/main.rs:972:9
[INFO] [stdout]     |
[INFO] [stdout] 972 |     let result = trpl::join(async1, async2);
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `all_futures`
[INFO] [stdout]     --> src/main.rs:1014:9
[INFO] [stdout]      |
[INFO] [stdout] 1014 |     let all_futures: [Pin<&mut dyn Future<Output = ()>>; 3]= [tx_fut, rx_fut, tx2_fut];
[INFO] [stdout]      |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_all_futures`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `slow`
[INFO] [stdout]     --> src/main.rs:1018:9
[INFO] [stdout]      |
[INFO] [stdout] 1018 |     let slow = async {
[INFO] [stdout]      |         ^^^^ help: if this is intentional, prefix it with an underscore: `_slow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fast`
[INFO] [stdout]     --> src/main.rs:1023:9
[INFO] [stdout]      |
[INFO] [stdout] 1023 |     let fast = async {
[INFO] [stdout]      |         ^^^^ help: if this is intentional, prefix it with an underscore: `_fast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `slowBlocking` should have a snake case name
[INFO] [stdout]    --> src/main.rs:920:4
[INFO] [stdout]     |
[INFO] [stdout] 920 | fn slowBlocking(operType : &str, ms : u32) {
[INFO] [stdout]     |    ^^^^^^^^^^^^ help: convert the identifier to snake case: `slow_blocking`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `operType` should have a snake case name
[INFO] [stdout]    --> src/main.rs:920:17
[INFO] [stdout]     |
[INFO] [stdout] 920 | fn slowBlocking(operType : &str, ms : u32) {
[INFO] [stdout]     |                 ^^^^^^^^ help: convert the identifier to snake case: `oper_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:986:13
[INFO] [stdout]     |
[INFO] [stdout] 986 |             tx.send(i);
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 986 |             let _ = tx.send(i);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/main.rs:1009:13
[INFO] [stdout]      |
[INFO] [stdout] 1009 |             tx_clone.send(i);
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1009 |             let _ = tx_clone.send(i);
[INFO] [stdout]      |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.43s
[INFO] running `Command { std: "docker" "inspect" "fcc2fbb522540260c729f7fe36b2be5f28678c0fbe3b22fe9957cbe54551711a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcc2fbb522540260c729f7fe36b2be5f28678c0fbe3b22fe9957cbe54551711a", kill_on_drop: false }`
[INFO] [stdout] fcc2fbb522540260c729f7fe36b2be5f28678c0fbe3b22fe9957cbe54551711a
