[INFO] cloning repository https://github.com/6480689/MapReduceLite
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/6480689/MapReduceLite" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F6480689%2FMapReduceLite", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F6480689%2FMapReduceLite'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c3bb9b9e1aa58bb412831aa147598768e1c5b7d
[INFO] checking 6480689/MapReduceLite against try#d1d7143153307f561233bd4d93e2a3b24157b081 for pr-151539-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F6480689%2FMapReduceLite" "/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/6480689/MapReduceLite
[INFO] finished tweaking git repo https://github.com/6480689/MapReduceLite
[INFO] tweaked toml for git repo https://github.com/6480689/MapReduceLite written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/6480689/MapReduceLite on toolchain d1d7143153307f561233bd4d93e2a3b24157b081
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d1d7143153307f561233bd4d93e2a3b24157b081" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/6480689/MapReduceLite 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" "+d1d7143153307f561233bd4d93e2a3b24157b081" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 4a81c511285d061bdc95fc42e8784765713287af3040740d56f401e8ca5dd92b
[INFO] running `Command { std: "docker" "start" "4a81c511285d061bdc95fc42e8784765713287af3040740d56f401e8ca5dd92b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4a81c511285d061bdc95fc42e8784765713287af3040740d56f401e8ca5dd92b" "/opt/rustwide/cargo-home/bin/cargo" "+d1d7143153307f561233bd4d93e2a3b24157b081" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a81c511285d061bdc95fc42e8784765713287af3040740d56f401e8ca5dd92b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4a81c511285d061bdc95fc42e8784765713287af3040740d56f401e8ca5dd92b" "/opt/rustwide/cargo-home/bin/cargo" "+d1d7143153307f561233bd4d93e2a3b24157b081" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling mrlite v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> build.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::path::PathBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
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[INFO] [stderr]     Checking tokio-stream v0.1.15
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[INFO] [stderr]     Checking aws-sdk-s3 v1.34.0
[INFO] [stderr]     Checking aws-config v1.5.1
[INFO] [stderr]     Checking tonic v0.11.0
[INFO] [stdout] warning: unused import: `PresigningConfig`
[INFO] [stdout]  --> src/lib.rs:9:48
[INFO] [stdout]   |
[INFO] [stdout] 9 | use aws_sdk_s3::presigning::{PresignedRequest, PresigningConfig};
[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::net::SocketAddr`
[INFO] [stdout]  --> src/rpc/coordinator_ctl_server.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::SocketAddr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::rpc::server::MySay`
[INFO] [stdout]  --> src/rpc/coordinator_ctl_server.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::rpc::server::MySay;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Status` and `transport::Channel`
[INFO] [stdout]  --> src/rpc/coordinator_ctl_client.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use tonic::{transport::Channel, Request, Response, Status};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `glob::glob`
[INFO] [stdout]  --> src/distributed/engine.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use glob::glob;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/distributed/engine.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 |     io::{Read, Write},
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `decode` and `encode`
[INFO] [stdout]   --> src/distributed/engine.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 | use base64::{encode, decode, engine, Engine};
[INFO] [stdout]    |              ^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]   --> src/distributed/engine.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::collections::HashSet;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io`
[INFO] [stdout]   --> src/distributed/engine.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 | use tokio::{fs, io};
[INFO] [stdout]    |                 ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::distributed::s3::download_file`
[INFO] [stdout]   --> src/distributed/engine.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use crate::distributed::s3::download_file;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path`
[INFO] [stdout]   --> src/distributed/engine.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use std::path;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]   --> src/distributed/engine.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use std::sync::Arc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::Mutex`
[INFO] [stdout]   --> src/distributed/engine.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use tokio::sync::Mutex;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bytesize::MB`
[INFO] [stdout]   --> src/distributed/engine.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use bytesize::MB;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `env_logger`
[INFO] [stdout]   --> src/distributed/engine.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use env_logger;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ExternalSorterBuilder`, `ExternalSorter`, and `buffer::mem::MemoryLimitedBufferBuilder`
[INFO] [stdout]   --> src/distributed/engine.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 | use ext_sort::{buffer::mem::MemoryLimitedBufferBuilder, ExternalSorter, ExternalSorterBuilder};
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/distributed/engine.rs:329:16
[INFO] [stdout]     |
[INFO] [stdout] 329 |             if (!key_string.clone().chars().all(|arg0: char| char::is_ascii_alphanumeric(&arg0))) {
[INFO] [stdout]     |                ^                                                                                ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 329 -             if (!key_string.clone().chars().all(|arg0: char| char::is_ascii_alphanumeric(&arg0))) {
[INFO] [stdout] 329 +             if !key_string.clone().chars().all(|arg0: char| char::is_ascii_alphanumeric(&arg0))  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/distributed/s3.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufReader`
[INFO] [stdout]  --> src/distributed/s3.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{BufRead, BufReader};
[INFO] [stdout]   |                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/distributed/s3.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::Mutex`
[INFO] [stdout]  --> src/distributed/s3.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tokio::sync::Mutex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `aws_sdk_s3::Client`
[INFO] [stdout]   --> src/distributed/s3.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use aws_sdk_s3::Client;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufMut`, `BytesMut`, and `Bytes`
[INFO] [stdout]   --> src/distributed/s3.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 | use bytes::{BufMut, Bytes, BytesMut};
[INFO] [stdout]    |             ^^^^^^  ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::KeyValue`
[INFO] [stdout]   --> src/distributed/s3.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use crate::KeyValue;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `env_logger`
[INFO] [stdout]  --> src/distributed/external_sort.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use env_logger;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log`
[INFO] [stdout]  --> src/distributed/external_sort.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use log;
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `base64::encode`: Use Engine::encode
[INFO] [stdout]   --> src/distributed/engine.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 | use base64::{encode, decode, engine, Engine};
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `base64::decode`: Use Engine::decode
[INFO] [stdout]   --> src/distributed/engine.rs:11:22
[INFO] [stdout]    |
[INFO] [stdout] 11 | use base64::{encode, decode, engine, Engine};
[INFO] [stdout]    |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PresigningConfig`
[INFO] [stdout]  --> src/lib.rs:9:48
[INFO] [stdout]   |
[INFO] [stdout] 9 | use aws_sdk_s3::presigning::{PresignedRequest, PresigningConfig};
[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::net::SocketAddr`
[INFO] [stdout]  --> src/rpc/coordinator_ctl_server.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::SocketAddr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::rpc::server::MySay`
[INFO] [stdout]  --> src/rpc/coordinator_ctl_server.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::rpc::server::MySay;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Status` and `transport::Channel`
[INFO] [stdout]  --> src/rpc/coordinator_ctl_client.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use tonic::{transport::Channel, Request, Response, Status};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `glob::glob`
[INFO] [stdout]  --> src/distributed/engine.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use glob::glob;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/distributed/engine.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 |     io::{Read, Write},
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `decode` and `encode`
[INFO] [stdout]   --> src/distributed/engine.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 | use base64::{encode, decode, engine, Engine};
[INFO] [stdout]    |              ^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]   --> src/distributed/engine.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::collections::HashSet;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io`
[INFO] [stdout]   --> src/distributed/engine.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 | use tokio::{fs, io};
[INFO] [stdout]    |                 ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::distributed::s3::download_file`
[INFO] [stdout]   --> src/distributed/engine.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use crate::distributed::s3::download_file;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path`
[INFO] [stdout]   --> src/distributed/engine.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use std::path;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]   --> src/distributed/engine.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use std::sync::Arc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::Mutex`
[INFO] [stdout]   --> src/distributed/engine.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use tokio::sync::Mutex;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bytesize::MB`
[INFO] [stdout]   --> src/distributed/engine.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use bytesize::MB;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `env_logger`
[INFO] [stdout]   --> src/distributed/engine.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use env_logger;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ExternalSorterBuilder`, `ExternalSorter`, and `buffer::mem::MemoryLimitedBufferBuilder`
[INFO] [stdout]   --> src/distributed/engine.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 | use ext_sort::{buffer::mem::MemoryLimitedBufferBuilder, ExternalSorter, ExternalSorterBuilder};
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/distributed/engine.rs:329:16
[INFO] [stdout]     |
[INFO] [stdout] 329 |             if (!key_string.clone().chars().all(|arg0: char| char::is_ascii_alphanumeric(&arg0))) {
[INFO] [stdout]     |                ^                                                                                ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 329 -             if (!key_string.clone().chars().all(|arg0: char| char::is_ascii_alphanumeric(&arg0))) {
[INFO] [stdout] 329 +             if !key_string.clone().chars().all(|arg0: char| char::is_ascii_alphanumeric(&arg0))  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/distributed/s3.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufReader`
[INFO] [stdout]  --> src/distributed/s3.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{BufRead, BufReader};
[INFO] [stdout]   |                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/distributed/s3.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::Mutex`
[INFO] [stdout]  --> src/distributed/s3.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tokio::sync::Mutex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `aws_sdk_s3::Client`
[INFO] [stdout]   --> src/distributed/s3.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use aws_sdk_s3::Client;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufMut`, `BytesMut`, and `Bytes`
[INFO] [stdout]   --> src/distributed/s3.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 | use bytes::{BufMut, Bytes, BytesMut};
[INFO] [stdout]    |             ^^^^^^  ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::KeyValue`
[INFO] [stdout]   --> src/distributed/s3.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use crate::KeyValue;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `env_logger`
[INFO] [stdout]  --> src/distributed/external_sort.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use env_logger;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log`
[INFO] [stdout]  --> src/distributed/external_sort.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use log;
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `base64::encode`: Use Engine::encode
[INFO] [stdout]   --> src/distributed/engine.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 | use base64::{encode, decode, engine, Engine};
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `base64::decode`: Use Engine::decode
[INFO] [stdout]   --> src/distributed/engine.rs:11:22
[INFO] [stdout]    |
[INFO] [stdout] 11 | use base64::{encode, decode, engine, Engine};
[INFO] [stdout]    |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/distributed/engine.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |     let mut buckets: Buckets = Buckets::new();
[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/distributed/engine.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |     let mut entries = fs::read_dir("upload").await;
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/distributed/engine.rs:249:9
[INFO] [stdout]     |
[INFO] [stdout] 249 |     let mut entries = fs::read_dir("download").await;
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/distributed/engine.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |     let mut buckets: Buckets = Buckets::new();
[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/distributed/engine.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |     let mut entries = fs::read_dir("upload").await;
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/distributed/engine.rs:249:9
[INFO] [stdout]     |
[INFO] [stdout] 249 |     let mut entries = fs::read_dir("download").await;
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::io::AsyncWriteExt`
[INFO] [stdout]   --> src/distributed/engine.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use tokio::io::AsyncWriteExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/distributed/engine.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::io::AsyncBufReadExt`
[INFO] [stdout]   --> src/distributed/engine.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use tokio::io::AsyncBufReadExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures_util::StreamExt`
[INFO] [stdout]   --> src/distributed/s3.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use futures_util::StreamExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tonic::codegen::Body`
[INFO] [stdout]   --> src/distributed/s3.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use tonic::codegen::Body;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/distributed/s3.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{BufRead, BufReader};
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/workload/matrix_multiply.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     key: Bytes,
[INFO] [stdout]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `aux`
[INFO] [stdout]   --> src/workload/matrix_multiply.rs:76:27
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub fn map2(kv: KeyValue, aux: Bytes) -> MapOutput{
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_aux`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::io::AsyncWriteExt`
[INFO] [stdout]   --> src/distributed/engine.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use tokio::io::AsyncWriteExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/distributed/engine.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::io::AsyncBufReadExt`
[INFO] [stdout]   --> src/distributed/engine.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use tokio::io::AsyncBufReadExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures_util::StreamExt`
[INFO] [stdout]   --> src/distributed/s3.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use futures_util::StreamExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tonic::codegen::Body`
[INFO] [stdout]   --> src/distributed/s3.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use tonic::codegen::Body;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/distributed/s3.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{BufRead, BufReader};
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `unique_filename` is never read
[INFO] [stdout]    --> src/distributed/s3.rs:203:31
[INFO] [stdout]     |
[INFO] [stdout] 203 |     let mut unique_filename = filename.clone();
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 211 |     unique_filename = format!("{}-{}-{}", filename, timestamp, worker_id);
[INFO] [stdout]     |     --------------- `unique_filename` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/workload/matrix_multiply.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     key: Bytes,
[INFO] [stdout]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]    --> src/distributed/engine.rs:377:21
[INFO] [stdout]     |
[INFO] [stdout] 377 |     let mut value = Bytes::new();
[INFO] [stdout]     |                     ^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 392 |             value = Bytes::from(valmut);
[INFO] [stdout]     |             ----- `value` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `aux`
[INFO] [stdout]   --> src/workload/matrix_multiply.rs:76:27
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub fn map2(kv: KeyValue, aux: Bytes) -> MapOutput{
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_aux`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_object` is never used
[INFO] [stdout]   --> src/minio/bucket_sandbox.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | async fn get_object(
[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 `put_object` is never used
[INFO] [stdout]   --> src/minio/bucket_sandbox.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 | async fn put_object(
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `serialize_key_value` is never used
[INFO] [stdout]   --> src/distributed/engine.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn serialize_key_value(key: &Bytes, value: &Bytes, CUSTOM_ENGINE: &engine::GeneralPurpose) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CUSTOM_ENGINE` is never used
[INFO] [stdout]    --> src/distributed/engine.rs:441:11
[INFO] [stdout]     |
[INFO] [stdout] 441 |     const CUSTOM_ENGINE: engine::GeneralPurpose =
[INFO] [stdout]     |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `mat_A` should have a snake case name
[INFO] [stdout]   --> src/workload/matrix_multiply.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let mut mat_A = Vec::new();
[INFO] [stdout]    |             ^^^^^ help: convert the identifier to snake case: `mat_a`
[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 `mat_B` should have a snake case name
[INFO] [stdout]   --> src/workload/matrix_multiply.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let mut mat_B = Vec::new();
[INFO] [stdout]    |             ^^^^^ help: convert the identifier to snake case: `mat_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `val_A` should have a snake case name
[INFO] [stdout]   --> src/workload/matrix_multiply.rs:67:15
[INFO] [stdout]    |
[INFO] [stdout] 67 |     for (row, val_A) in mat_A{
[INFO] [stdout]    |               ^^^^^ help: convert the identifier to snake case: `val_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `val_B` should have a snake case name
[INFO] [stdout]   --> src/workload/matrix_multiply.rs:68:19
[INFO] [stdout]    |
[INFO] [stdout] 68 |         for (col, val_B) in mat_B.iter(){
[INFO] [stdout]    |                   ^^^^^ help: convert the identifier to snake case: `val_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `CUSTOM_ENGINE` should have a snake case name
[INFO] [stdout]   --> src/distributed/engine.rs:88:52
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn serialize_key_value(key: &Bytes, value: &Bytes, CUSTOM_ENGINE: &engine::GeneralPurpose) -> String {
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^ help: convert the identifier to snake case: `custom_engine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/distributed/s3.rs:297:22
[INFO] [stdout]     |
[INFO] [stdout] 297 |         .key(filename.clone())
[INFO] [stdout]     |                      ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/distributed/s3.rs:342:26
[INFO] [stdout]     |
[INFO] [stdout] 342 |             .key(filename.clone())
[INFO] [stdout]     |                          ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/distributed/s3.rs:363:22
[INFO] [stdout]     |
[INFO] [stdout] 363 |         .key(filename.clone())
[INFO] [stdout]     |                      ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `unique_filename` is never read
[INFO] [stdout]    --> src/distributed/s3.rs:203:31
[INFO] [stdout]     |
[INFO] [stdout] 203 |     let mut unique_filename = filename.clone();
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 211 |     unique_filename = format!("{}-{}-{}", filename, timestamp, worker_id);
[INFO] [stdout]     |     --------------- `unique_filename` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]    --> src/distributed/engine.rs:377:21
[INFO] [stdout]     |
[INFO] [stdout] 377 |     let mut value = Bytes::new();
[INFO] [stdout]     |                     ^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 392 |             value = Bytes::from(valmut);
[INFO] [stdout]     |             ----- `value` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_object` is never used
[INFO] [stdout]   --> src/minio/bucket_sandbox.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | async fn get_object(
[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 `put_object` is never used
[INFO] [stdout]   --> src/minio/bucket_sandbox.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 | async fn put_object(
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `serialize_key_value` is never used
[INFO] [stdout]   --> src/distributed/engine.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn serialize_key_value(key: &Bytes, value: &Bytes, CUSTOM_ENGINE: &engine::GeneralPurpose) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CUSTOM_ENGINE` is never used
[INFO] [stdout]    --> src/distributed/engine.rs:441:11
[INFO] [stdout]     |
[INFO] [stdout] 441 |     const CUSTOM_ENGINE: engine::GeneralPurpose =
[INFO] [stdout]     |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `mat_A` should have a snake case name
[INFO] [stdout]   --> src/workload/matrix_multiply.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let mut mat_A = Vec::new();
[INFO] [stdout]    |             ^^^^^ help: convert the identifier to snake case: `mat_a`
[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 `mat_B` should have a snake case name
[INFO] [stdout]   --> src/workload/matrix_multiply.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let mut mat_B = Vec::new();
[INFO] [stdout]    |             ^^^^^ help: convert the identifier to snake case: `mat_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `val_A` should have a snake case name
[INFO] [stdout]   --> src/workload/matrix_multiply.rs:67:15
[INFO] [stdout]    |
[INFO] [stdout] 67 |     for (row, val_A) in mat_A{
[INFO] [stdout]    |               ^^^^^ help: convert the identifier to snake case: `val_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `val_B` should have a snake case name
[INFO] [stdout]   --> src/workload/matrix_multiply.rs:68:19
[INFO] [stdout]    |
[INFO] [stdout] 68 |         for (col, val_B) in mat_B.iter(){
[INFO] [stdout]    |                   ^^^^^ help: convert the identifier to snake case: `val_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `CUSTOM_ENGINE` should have a snake case name
[INFO] [stdout]   --> src/distributed/engine.rs:88:52
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn serialize_key_value(key: &Bytes, value: &Bytes, CUSTOM_ENGINE: &engine::GeneralPurpose) -> String {
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^ help: convert the identifier to snake case: `custom_engine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/distributed/s3.rs:297:22
[INFO] [stdout]     |
[INFO] [stdout] 297 |         .key(filename.clone())
[INFO] [stdout]     |                      ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/distributed/s3.rs:342:26
[INFO] [stdout]     |
[INFO] [stdout] 342 |             .key(filename.clone())
[INFO] [stdout]     |                          ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/distributed/s3.rs:363:22
[INFO] [stdout]     |
[INFO] [stdout] 363 |         .key(filename.clone())
[INFO] [stdout]     |                      ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/app/standalone.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/app/standalone.rs:45:32
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let _ = fs::create_dir_all((&"download"));
[INFO] [stdout]    |                                ^           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 -     let _ = fs::create_dir_all((&"download"));
[INFO] [stdout] 45 +     let _ = fs::create_dir_all(&"download" );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/app/standalone.rs:46:32
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let _ = fs::create_dir_all((&"upload"));
[INFO] [stdout]    |                                ^         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 46 -     let _ = fs::create_dir_all((&"upload"));
[INFO] [stdout] 46 +     let _ = fs::create_dir_all(&"upload" );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_reduce`
[INFO] [stdout]   --> src/app/standalone.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let n_reduce = 11;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_reduce`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_reduce`
[INFO] [stdout]   --> src/app/standalone.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let n_reduce = 11;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_reduce`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_distributed_mr_job` is never used
[INFO] [stdout]   --> src/app/standalone.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 41 | async fn run_distributed_mr_job(job: Job, engine: String) -> Result<()> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::sleep`
[INFO] [stdout]  --> src/app/mrl-worker.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::thread::sleep;
[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: `Builder`
[INFO] [stdout]  --> src/app/mrl-worker.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 | use aws_sdk_s3::config::{Builder, Credentials};
[INFO] [stdout]   |                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `aws_smithy_types::timeout::TimeoutConfig`
[INFO] [stdout]  --> src/app/mrl-worker.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use aws_smithy_types::timeout::TimeoutConfig;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Status`
[INFO] [stdout]   --> src/app/mrl-worker.rs:11:51
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tonic::{transport::Server, Request, Response, Status};
[INFO] [stdout]    |                                                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::coordinator::coordinator_service_client::CoordinatorServiceClient`
[INFO] [stdout]   --> src/app/mrl-worker.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use crate::coordinator::coordinator_service_client::CoordinatorServiceClient;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/app/mrl-worker.rs:97:141
[INFO] [stdout]    |
[INFO] [stdout] 97 | ...re: WorkerDetailStore) -> Result<(), Box<(dyn std::error::Error + Send + Sync + 'static)>> {
[INFO] [stdout]    |                                             ^                                             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 97 - async fn handle_task (task: Task, worker_id: String, coordinator_address: String, worker_detail_store: WorkerDetailStore) -> Result<(), Box<(dyn std::error::Error + Send + Sync + 'static)>> {
[INFO] [stdout] 97 + async fn handle_task (task: Task, worker_id: String, coordinator_address: String, worker_detail_store: WorkerDetailStore) -> Result<(), Box<dyn std::error::Error + Send + Sync + 'static >> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]    --> src/app/mrl-ctl.rs:210:13
[INFO] [stdout]     |
[INFO] [stdout] 210 |             {job_queue.lock().await.enqueue(parsed_args).await}
[INFO] [stdout]     |             ^                                                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 210 -             {job_queue.lock().await.enqueue(parsed_args).await}
[INFO] [stdout] 210 +             job_queue.lock().await.enqueue(parsed_args).await 
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error` and `info`
[INFO] [stdout]    --> src/app/mrl-ctl.rs:218:11
[INFO] [stdout]     |
[INFO] [stdout] 218 | use log::{info, error};
[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: `mpsc`
[INFO] [stdout]   --> src/app/mrl-coordinator.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 | use tokio::sync::{mpsc, Mutex};
[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: `JobStatusResponse`
[INFO] [stdout]   --> src/app/mrl-coordinator.rs:16:43
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::coordinator::{HistoryResponse, JobStatusResponse};
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/app/standalone.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/app/standalone.rs:45:32
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let _ = fs::create_dir_all((&"download"));
[INFO] [stdout]    |                                ^           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 -     let _ = fs::create_dir_all((&"download"));
[INFO] [stdout] 45 +     let _ = fs::create_dir_all(&"download" );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/app/standalone.rs:46:32
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let _ = fs::create_dir_all((&"upload"));
[INFO] [stdout]    |                                ^         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 46 -     let _ = fs::create_dir_all((&"upload"));
[INFO] [stdout] 46 +     let _ = fs::create_dir_all(&"upload" );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::sleep`
[INFO] [stdout]  --> src/app/mrl-worker.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::thread::sleep;
[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: `Builder`
[INFO] [stdout]  --> src/app/mrl-worker.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 | use aws_sdk_s3::config::{Builder, Credentials};
[INFO] [stdout]   |                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `aws_smithy_types::timeout::TimeoutConfig`
[INFO] [stdout]  --> src/app/mrl-worker.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use aws_smithy_types::timeout::TimeoutConfig;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Status`
[INFO] [stdout]   --> src/app/mrl-worker.rs:11:51
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tonic::{transport::Server, Request, Response, Status};
[INFO] [stdout]    |                                                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::coordinator::coordinator_service_client::CoordinatorServiceClient`
[INFO] [stdout]   --> src/app/mrl-worker.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use crate::coordinator::coordinator_service_client::CoordinatorServiceClient;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/app/mrl-worker.rs:97:141
[INFO] [stdout]    |
[INFO] [stdout] 97 | ...re: WorkerDetailStore) -> Result<(), Box<(dyn std::error::Error + Send + Sync + 'static)>> {
[INFO] [stdout]    |                                             ^                                             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 97 - async fn handle_task (task: Task, worker_id: String, coordinator_address: String, worker_detail_store: WorkerDetailStore) -> Result<(), Box<(dyn std::error::Error + Send + Sync + 'static)>> {
[INFO] [stdout] 97 + async fn handle_task (task: Task, worker_id: String, coordinator_address: String, worker_detail_store: WorkerDetailStore) -> Result<(), Box<dyn std::error::Error + Send + Sync + 'static >> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_reduce`
[INFO] [stdout]   --> src/app/standalone.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let n_reduce = 11;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_reduce`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_reduce`
[INFO] [stdout]   --> src/app/standalone.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let n_reduce = 11;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_reduce`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]    --> src/app/mrl-ctl.rs:210:13
[INFO] [stdout]     |
[INFO] [stdout] 210 |             {job_queue.lock().await.enqueue(parsed_args).await}
[INFO] [stdout]     |             ^                                                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 210 -             {job_queue.lock().await.enqueue(parsed_args).await}
[INFO] [stdout] 210 +             job_queue.lock().await.enqueue(parsed_args).await 
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error` and `info`
[INFO] [stdout]    --> src/app/mrl-ctl.rs:218:11
[INFO] [stdout]     |
[INFO] [stdout] 218 | use log::{info, error};
[INFO] [stdout]     |           ^^^^  ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_distributed_mr_job` is never used
[INFO] [stdout]   --> src/app/standalone.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 41 | async fn run_distributed_mr_job(job: Job, engine: String) -> Result<()> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/app/mrl-worker.rs:92:13
[INFO] [stdout]    |
[INFO] [stdout] 92 | ...   let mut client = coordinator::coordinator_service_client::CoordinatorServiceClient::connect(self.coordinator_address.clone())....
[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 import: `mpsc`
[INFO] [stdout]   --> src/app/mrl-coordinator.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 | use tokio::sync::{mpsc, Mutex};
[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: `JobStatusResponse`
[INFO] [stdout]   --> src/app/mrl-coordinator.rs:16:43
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::coordinator::{HistoryResponse, JobStatusResponse};
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/app/mrl-worker.rs:92:13
[INFO] [stdout]    |
[INFO] [stdout] 92 | ...   let mut client = coordinator::coordinator_service_client::CoordinatorServiceClient::connect(self.coordinator_address.clone())....
[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/app/mrl-ctl.rs:224:17
[INFO] [stdout]     |
[INFO] [stdout] 224 |             let mut jobs = job_queue.lock().await;
[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/app/mrl-ctl.rs:224:17
[INFO] [stdout]     |
[INFO] [stdout] 224 |             let mut jobs = job_queue.lock().await;
[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 import: `futures::stream::StreamExt`
[INFO] [stdout]  --> src/app/mrl-coordinator.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures::stream::StreamExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::stream::StreamExt`
[INFO] [stdout]  --> src/app/mrl-coordinator.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures::stream::StreamExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `foo`
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |     let foo = re.captures(s3_path);
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_foo`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `provider_name_clone`
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let provider_name_clone = details.provider_name.clone();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_provider_name_clone`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:505:130
[INFO] [stdout]     |
[INFO] [stdout] 505 | ...ls.is_complete).for_each(|(index, task_details)| {
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:394:127
[INFO] [stdout]     |
[INFO] [stdout] 394 | ...ls.is_complete).for_each(|(index, task_details)| {
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `reduce_done` is never read
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:382:31
[INFO] [stdout]     |
[INFO] [stdout] 382 |         let mut reduce_done = false;
[INFO] [stdout]     |                               ^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 387 |             reduce_done = false;
[INFO] [stdout]     |             ------------------- `reduce_done` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `match_job_status` is never read
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:665:36
[INFO] [stdout]     |
[INFO] [stdout] 665 |         let mut match_job_status = JobStatus::STARTING;
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 668 |             match_job_status = current_job.status.clone();
[INFO] [stdout]     |             --------------------------------------------- `match_job_status` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `foo`
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |     let foo = re.captures(s3_path);
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_foo`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:748:39
[INFO] [stdout]     |
[INFO] [stdout] 748 |     async fn get_previous_jobs(&self, request: tonic::Request<Empty>) -> std::result::Result<tonic::Response<coordinator::HistoryRe...
[INFO] [stdout]     |                                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:763:36
[INFO] [stdout]     |
[INFO] [stdout] 763 |     async fn get_job_status(&self, request: Request<Empty>) -> Result<Response<coordinator::JobStatusResponse>, Status> {
[INFO] [stdout]     |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `provider_name_clone`
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let provider_name_clone = details.provider_name.clone();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_provider_name_clone`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:505:130
[INFO] [stdout]     |
[INFO] [stdout] 505 | ...ls.is_complete).for_each(|(index, task_details)| {
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:394:127
[INFO] [stdout]     |
[INFO] [stdout] 394 | ...ls.is_complete).for_each(|(index, task_details)| {
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `reduce_done` is never read
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:382:31
[INFO] [stdout]     |
[INFO] [stdout] 382 |         let mut reduce_done = false;
[INFO] [stdout]     |                               ^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 387 |             reduce_done = false;
[INFO] [stdout]     |             ------------------- `reduce_done` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `JobStatus` is more private than the item `JobWithStatus::status`
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:200:5
[INFO] [stdout]     |
[INFO] [stdout] 200 |     pub status: JobStatus,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^ field `JobWithStatus::status` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `JobStatus` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:165:1
[INFO] [stdout]     |
[INFO] [stdout] 165 | enum JobStatus { STARTING, MAP, SHUFFLE, REDUCE, #[default] DONE }
[INFO] [stdout]     | ^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_reassigned` is never read
[INFO] [stdout]   --> src/app/mrl-coordinator.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 89 | struct TaskDetails {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 94 |     pub is_reassigned: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TaskDetails` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_s3_path` is never used
[INFO] [stdout]   --> src/app/mrl-coordinator.rs:97:4
[INFO] [stdout]    |
[INFO] [stdout] 97 | fn parse_s3_path(s3_path: &str) -> Option<S3Path> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `call_connect_s3` is never used
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:111:10
[INFO] [stdout]     |
[INFO] [stdout] 111 | async fn call_connect_s3() {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SHUFFLE` is never constructed
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:165:33
[INFO] [stdout]     |
[INFO] [stdout] 165 | enum JobStatus { STARTING, MAP, SHUFFLE, REDUCE, #[default] DONE }
[INFO] [stdout]     |      ---------                  ^^^^^^^
[INFO] [stdout]     |      |
[INFO] [stdout]     |      variant in this enum
[INFO] [stdout]     |
[INFO] [stdout]     = note: `JobStatus` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `map_tasks` and `reduce_tasks` are never read
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:207:5
[INFO] [stdout]     |
[INFO] [stdout] 204 | pub struct CoordinatorServiceImpl {
[INFO] [stdout]     |            ---------------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 207 |     map_tasks: Arc<Mutex<VecDeque<Task>>>, // Task queue produced when job is received
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 208 |     reduce_tasks: Arc<Mutex<VecDeque<Task>>>, // Task queue produced when job is received
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `match_directory` is never used
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:233:4
[INFO] [stdout]     |
[INFO] [stdout] 233 | fn match_directory(input_dir: &str, file_path: &str) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `list_files_in_directory` is never used
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:239:10
[INFO] [stdout]     |
[INFO] [stdout] 239 | async fn list_files_in_directory(bucket: &str, directory: &str, client: &aws_sdk_s3::Client) -> Result<Vec<String>, Box<dyn Error>> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `match_job_status` is never read
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:665:36
[INFO] [stdout]     |
[INFO] [stdout] 665 |         let mut match_job_status = JobStatus::STARTING;
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 668 |             match_job_status = current_job.status.clone();
[INFO] [stdout]     |             --------------------------------------------- `match_job_status` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:748:39
[INFO] [stdout]     |
[INFO] [stdout] 748 |     async fn get_previous_jobs(&self, request: tonic::Request<Empty>) -> std::result::Result<tonic::Response<coordinator::HistoryRe...
[INFO] [stdout]     |                                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:763:36
[INFO] [stdout]     |
[INFO] [stdout] 763 |     async fn get_job_status(&self, request: Request<Empty>) -> Result<Response<coordinator::JobStatusResponse>, Status> {
[INFO] [stdout]     |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `JobStatus` is more private than the item `JobWithStatus::status`
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:200:5
[INFO] [stdout]     |
[INFO] [stdout] 200 |     pub status: JobStatus,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^ field `JobWithStatus::status` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `JobStatus` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:165:1
[INFO] [stdout]     |
[INFO] [stdout] 165 | enum JobStatus { STARTING, MAP, SHUFFLE, REDUCE, #[default] DONE }
[INFO] [stdout]     | ^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_reassigned` is never read
[INFO] [stdout]   --> src/app/mrl-coordinator.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 89 | struct TaskDetails {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 94 |     pub is_reassigned: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TaskDetails` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_s3_path` is never used
[INFO] [stdout]   --> src/app/mrl-coordinator.rs:97:4
[INFO] [stdout]    |
[INFO] [stdout] 97 | fn parse_s3_path(s3_path: &str) -> Option<S3Path> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `call_connect_s3` is never used
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:111:10
[INFO] [stdout]     |
[INFO] [stdout] 111 | async fn call_connect_s3() {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SHUFFLE` is never constructed
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:165:33
[INFO] [stdout]     |
[INFO] [stdout] 165 | enum JobStatus { STARTING, MAP, SHUFFLE, REDUCE, #[default] DONE }
[INFO] [stdout]     |      ---------                  ^^^^^^^
[INFO] [stdout]     |      |
[INFO] [stdout]     |      variant in this enum
[INFO] [stdout]     |
[INFO] [stdout]     = note: `JobStatus` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `map_tasks` and `reduce_tasks` are never read
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:207:5
[INFO] [stdout]     |
[INFO] [stdout] 204 | pub struct CoordinatorServiceImpl {
[INFO] [stdout]     |            ---------------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 207 |     map_tasks: Arc<Mutex<VecDeque<Task>>>, // Task queue produced when job is received
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 208 |     reduce_tasks: Arc<Mutex<VecDeque<Task>>>, // Task queue produced when job is received
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `match_directory` is never used
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:233:4
[INFO] [stdout]     |
[INFO] [stdout] 233 | fn match_directory(input_dir: &str, file_path: &str) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `list_files_in_directory` is never used
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:239:10
[INFO] [stdout]     |
[INFO] [stdout] 239 | async fn list_files_in_directory(bucket: &str, directory: &str, client: &aws_sdk_s3::Client) -> Result<Vec<String>, Box<dyn Error>> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_map`
[INFO] [stdout]   --> src/app/mrl-worker.rs:91:35
[INFO] [stdout]    |
[INFO] [stdout] 91 |     async fn send_feedback(&self, is_map: bool) {
[INFO] [stdout]    |                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_map`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client`
[INFO] [stdout]   --> src/app/mrl-worker.rs:92:13
[INFO] [stdout]    |
[INFO] [stdout] 92 | ...   let mut client = coordinator::coordinator_service_client::CoordinatorServiceClient::connect(self.coordinator_address.clone())....
[INFO] [stdout]    |           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reduce_output`
[INFO] [stdout]    --> src/app/mrl-worker.rs:123:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |         let reduce_output = perform_reduce(
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reduce_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_map`
[INFO] [stdout]   --> src/app/mrl-worker.rs:91:35
[INFO] [stdout]    |
[INFO] [stdout] 91 |     async fn send_feedback(&self, is_map: bool) {
[INFO] [stdout]    |                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_map`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client`
[INFO] [stdout]   --> src/app/mrl-worker.rs:92:13
[INFO] [stdout]    |
[INFO] [stdout] 92 | ...   let mut client = coordinator::coordinator_service_client::CoordinatorServiceClient::connect(self.coordinator_address.clone())....
[INFO] [stdout]    |           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reduce_output`
[INFO] [stdout]    --> src/app/mrl-worker.rs:123:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |         let reduce_output = perform_reduce(
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reduce_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `registration_result` is never read
[INFO] [stdout]    --> src/app/mrl-worker.rs:214:74
[INFO] [stdout]     |
[INFO] [stdout] 214 |     let mut registration_result: Option<coordinator::RegisterResponse> = None;
[INFO] [stdout]     |                                                                          ^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 223 |                 registration_result = Some(response.into_inner());
[INFO] [stdout]     |                 ------------------- `registration_result` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `send_feedback` is never used
[INFO] [stdout]   --> src/app/mrl-worker.rs:91:14
[INFO] [stdout]    |
[INFO] [stdout] 86 | impl WorkerServiceImpl {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 91 |     async fn send_feedback(&self, is_map: bool) {
[INFO] [stdout]    |              ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `registration_result` is never read
[INFO] [stdout]    --> src/app/mrl-worker.rs:214:74
[INFO] [stdout]     |
[INFO] [stdout] 214 |     let mut registration_result: Option<coordinator::RegisterResponse> = None;
[INFO] [stdout]     |                                                                          ^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 223 |                 registration_result = Some(response.into_inner());
[INFO] [stdout]     |                 ------------------- `registration_result` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `send_feedback` is never used
[INFO] [stdout]   --> src/app/mrl-worker.rs:91:14
[INFO] [stdout]    |
[INFO] [stdout] 86 | impl WorkerServiceImpl {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 91 |     async fn send_feedback(&self, is_map: bool) {
[INFO] [stdout]    |              ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 28s
[INFO] running `Command { std: "docker" "inspect" "4a81c511285d061bdc95fc42e8784765713287af3040740d56f401e8ca5dd92b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a81c511285d061bdc95fc42e8784765713287af3040740d56f401e8ca5dd92b", kill_on_drop: false }`
[INFO] [stdout] 4a81c511285d061bdc95fc42e8784765713287af3040740d56f401e8ca5dd92b
