[INFO] cloning repository https://github.com/Nate-81/goms-distributed-mapreduce
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nate-81/goms-distributed-mapreduce" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNate-81%2Fgoms-distributed-mapreduce", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4aa24ad7083809fb007c0c58c296160159277bb6
[INFO] building Nate-81/goms-distributed-mapreduce against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNate-81%2Fgoms-distributed-mapreduce" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Nate-81/goms-distributed-mapreduce
[INFO] finished tweaking git repo https://github.com/Nate-81/goms-distributed-mapreduce
[INFO] tweaked toml for git repo https://github.com/Nate-81/goms-distributed-mapreduce written to /workspace/builds/worker-6-tc1/source/Cargo.toml
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[INFO] crate git repo https://github.com/Nate-81/goms-distributed-mapreduce already has a lockfile, it will not be regenerated
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[INFO] [stdout] warning: unused import: `list_objects_v2::ListObjectsV2Output`
[INFO] [stdout]  --> src/s3_client/client.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     list_objects_v2::ListObjectsV2Output,
[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: `escape`
[INFO] [stdout]   --> src/s3_client/client.rs:20:20
[INFO] [stdout]    |
[INFO] [stdout] 20 | use regex::{Regex, escape};
[INFO] [stdout]    |                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:225:13
[INFO] [stdout]     |
[INFO] [stdout] 225 |     let mut value = Bytes::new();
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[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_multiplication1.rs:63:15
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn reduce(key: Bytes, values: Box<dyn Iterator<Item = Bytes> + '_>, _aux: Bytes) -> Result<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: `num_reduce_worker`
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:119:68
[INFO] [stdout]     |
[INFO] [stdout] 119 | fn map_write(key_in: String, buckets: DashMap<u32, Vec<KeyValue>>, num_reduce_worker: usize, dir: &str){
[INFO] [stdout]     |                                                                    ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_reduce_worker`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `s3_gRPC` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub mod s3_gRPC;
[INFO] [stdout]    |         ^^^^^^^ help: convert the identifier to snake case: `s3_g_rpc`
[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_A` should have a snake case name
[INFO] [stdout]   --> src/workload/matrix_multiplication1.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let mut mat_A = Vec::new();
[INFO] [stdout]    |             ^^^^^ help: convert the identifier to snake case: `mat_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `mat_B` should have a snake case name
[INFO] [stdout]   --> src/workload/matrix_multiplication1.rs:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |     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_multiplication1.rs:81:15
[INFO] [stdout]    |
[INFO] [stdout] 81 |     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_multiplication1.rs:82:19
[INFO] [stdout]    |
[INFO] [stdout] 82 |         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: unused `Result` that must be used
[INFO] [stdout]   --> src/s3_gRPC/engine.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         create_dir(&dir);
[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] 50 |         let _ = create_dir(&dir);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |     remove_dir_all(&dir);
[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] 115 |     let _ = remove_dir_all(&dir);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |         file.write(body_bytes);
[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] 138 |         let _ = file.write(body_bytes);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |         create_dir(&dir);
[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] 188 |         let _ = create_dir(&dir);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 198 |         create_dir(&pile_dir);
[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] 198 |         let _ = create_dir(&pile_dir);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:209:5
[INFO] [stdout]     |
[INFO] [stdout] 209 |     remove_dir_all(&dir);
[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] 209 |     let _ = remove_dir_all(&dir);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:215:9
[INFO] [stdout]     |
[INFO] [stdout] 215 |         create_dir(&tmp);
[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] 215 |         let _ = create_dir(&tmp);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:218:5
[INFO] [stdout]     |
[INFO] [stdout] 218 |     remove_dir_all(&tmp);
[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] 218 |     let _ = remove_dir_all(&tmp);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 |         create_dir(&output);
[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] 234 |         let _ = create_dir(&output);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:309:29
[INFO] [stdout]     |
[INFO] [stdout] 309 | ...                   file.write(body_vec.as_ref());
[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] 309 |                             let _ = file.write(body_vec.as_ref());
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:331:5
[INFO] [stdout]     |
[INFO] [stdout] 331 |     file.write(body_vec.as_ref());
[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] 331 |     let _ = file.write(body_vec.as_ref());
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:340:5
[INFO] [stdout]     |
[INFO] [stdout] 340 |     remove_dir_all(&pile_dir);
[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] 340 |     let _ = remove_dir_all(&pile_dir);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:341:5
[INFO] [stdout]     |
[INFO] [stdout] 341 |     remove_dir_all(&output);
[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] 341 |     let _ = remove_dir_all(&output);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::exit`
[INFO] [stdout]  --> src/app/s3_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::process::exit;
[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: `self as s3`
[INFO] [stdout]  --> src/app/s3_test.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use aws_sdk_s3::{self as s3};
[INFO] [stdout]   |                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `aws_sdk_s3::Client`
[INFO] [stdout]  --> src/app/mrl-ctl.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use aws_sdk_s3::Client;
[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: `tonic::transport::Channel`
[INFO] [stdout]  --> src/app/mrl-ctl.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tonic::transport::Channel;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SendJobResponse` and `StatusResponse`
[INFO] [stdout]  --> src/app/mrl-ctl.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 | use clientele::{SendJobRequest, SendJobResponse, StatusRequest, StatusResponse};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^^                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GetAllJobsResponse`
[INFO] [stdout]  --> src/app/mrl-ctl.rs:7:36
[INFO] [stdout]   |
[INFO] [stdout] 7 | use clientele::{GetAllJobsRequest, GetAllJobsResponse};
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `map_reduce_server`
[INFO] [stdout]   --> src/app/mrl-coordinator.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 | use mapreduce::{map_reduce_server, Job as ProtoJob, MapRequest, MapResponse, ReduceRequest, ReduceResponse};
[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: `Channel`
[INFO] [stdout]   --> src/app/mrl-coordinator.rs:18:24
[INFO] [stdout]    |
[INFO] [stdout] 18 | use tonic::transport::{Channel, Server};
[INFO] [stdout]    |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/app/s3_test.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     client::delete_objects(&client, &bucket_name, "testcases/graph-edges").await;
[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] 32 |     let _ = client::delete_objects(&client, &bucket_name, "testcases/graph-edges").await;
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `map_response` is assigned to, but never used
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:252:9
[INFO] [stdout]     |
[INFO] [stdout] 252 |     let map_response: Response<MapResponse>;
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_map_response` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `map_response` is never read
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:254:18
[INFO] [stdout]     |
[INFO] [stdout] 254 |         Ok(w) => map_response = w?,
[INFO] [stdout]     |                  ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `reduce_response` is assigned to, but never used
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:270:9
[INFO] [stdout]     |
[INFO] [stdout] 270 |     let reduce_response: Response<ReduceResponse>;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_reduce_response` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `reduce_response` is never read
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:273:13
[INFO] [stdout]     |
[INFO] [stdout] 273 |             reduce_response = w?;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `completed` is never read
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:325:29
[INFO] [stdout]     |
[INFO] [stdout] 325 | ...                   completed = true;
[INFO] [stdout]     |                       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:310:21
[INFO] [stdout]     |
[INFO] [stdout] 310 |                 let mut nr;
[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: value assigned to `completed` is never read
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:366:37
[INFO] [stdout]     |
[INFO] [stdout] 366 | ...                   completed = true;
[INFO] [stdout]     |                       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keyring`
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:402:9
[INFO] [stdout]     |
[INFO] [stdout] 402 |     let keyring = Arc::new(Keyring::new());
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keyring`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prev`
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:421:13
[INFO] [stdout]     |
[INFO] [stdout] 421 |     let mut prev = inputs.len();
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_prev`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:421:9
[INFO] [stdout]     |
[INFO] [stdout] 421 |     let mut prev = inputs.len();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `worker`
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:134:14
[INFO] [stdout]     |
[INFO] [stdout] 134 |         for (worker, state) in workers.iter().zip(states.iter()) {
[INFO] [stdout]     |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_worker`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:179:13
[INFO] [stdout]     |
[INFO] [stdout] 179 |         let mut proto_jobs = jobs.iter().map(|job| ProtoJob {
[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/app/mrl-coordinator.rs:195:13
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let mut proto_states: Vec<i32> = states.iter().map(|state| match state {
[INFO] [stdout]     |             ----^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:535:5
[INFO] [stdout]     |
[INFO] [stdout] 535 |     unsafe{parse_args();}//theoretically fine
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Failed` is never constructed
[INFO] [stdout]   --> src/app/mrl-coordinator.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | enum JobStatus{
[INFO] [stdout]    |      --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 53 |     Failed,
[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 `Result` that must be used
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:324:29
[INFO] [stdout]     |
[INFO] [stdout] 324 | ...                   tx.send(worker.id).await;
[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] 324 |                             let _ = tx.send(worker.id).await;
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:558:13
[INFO] [stdout]     |
[INFO] [stdout] 558 |             execute_mapreduce(master_service.clone(), client_service.clone(),  job).await;
[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] 558 |             let _ = execute_mapreduce(master_service.clone(), client_service.clone(),  job).await;
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 22s
[INFO] running `Command { std: "docker" "inspect" "c5c9c5686ce3f4f7fa95ffafd00c336dab7ef0ca39243389cb1a441b5d53be1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5c9c5686ce3f4f7fa95ffafd00c336dab7ef0ca39243389cb1a441b5d53be1a", kill_on_drop: false }`
[INFO] [stdout] c5c9c5686ce3f4f7fa95ffafd00c336dab7ef0ca39243389cb1a441b5d53be1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f33f10d69a9b5a44a9abb12cb07c179fe56e386fe83394899dcd3bbda544cdf7
[INFO] running `Command { std: "docker" "start" "-a" "f33f10d69a9b5a44a9abb12cb07c179fe56e386fe83394899dcd3bbda544cdf7", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `list_objects_v2::ListObjectsV2Output`
[INFO] [stdout]  --> src/s3_client/client.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     list_objects_v2::ListObjectsV2Output,
[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: `escape`
[INFO] [stdout]   --> src/s3_client/client.rs:20:20
[INFO] [stdout]    |
[INFO] [stdout] 20 | use regex::{Regex, escape};
[INFO] [stdout]    |                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:225:13
[INFO] [stdout]     |
[INFO] [stdout] 225 |     let mut value = Bytes::new();
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[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_multiplication1.rs:63:15
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn reduce(key: Bytes, values: Box<dyn Iterator<Item = Bytes> + '_>, _aux: Bytes) -> Result<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: `num_reduce_worker`
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:119:68
[INFO] [stdout]     |
[INFO] [stdout] 119 | fn map_write(key_in: String, buckets: DashMap<u32, Vec<KeyValue>>, num_reduce_worker: usize, dir: &str){
[INFO] [stdout]     |                                                                    ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_reduce_worker`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `s3_gRPC` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub mod s3_gRPC;
[INFO] [stdout]    |         ^^^^^^^ help: convert the identifier to snake case: `s3_g_rpc`
[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_A` should have a snake case name
[INFO] [stdout]   --> src/workload/matrix_multiplication1.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let mut mat_A = Vec::new();
[INFO] [stdout]    |             ^^^^^ help: convert the identifier to snake case: `mat_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `mat_B` should have a snake case name
[INFO] [stdout]   --> src/workload/matrix_multiplication1.rs:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |     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_multiplication1.rs:81:15
[INFO] [stdout]    |
[INFO] [stdout] 81 |     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_multiplication1.rs:82:19
[INFO] [stdout]    |
[INFO] [stdout] 82 |         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: unused `Result` that must be used
[INFO] [stdout]   --> src/s3_gRPC/engine.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         create_dir(&dir);
[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] 50 |         let _ = create_dir(&dir);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |     remove_dir_all(&dir);
[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] 115 |     let _ = remove_dir_all(&dir);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |         file.write(body_bytes);
[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] 138 |         let _ = file.write(body_bytes);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mrlite v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |         create_dir(&dir);
[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] 188 |         let _ = create_dir(&dir);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 198 |         create_dir(&pile_dir);
[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] 198 |         let _ = create_dir(&pile_dir);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:209:5
[INFO] [stdout]     |
[INFO] [stdout] 209 |     remove_dir_all(&dir);
[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] 209 |     let _ = remove_dir_all(&dir);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:215:9
[INFO] [stdout]     |
[INFO] [stdout] 215 |         create_dir(&tmp);
[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] 215 |         let _ = create_dir(&tmp);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:218:5
[INFO] [stdout]     |
[INFO] [stdout] 218 |     remove_dir_all(&tmp);
[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] 218 |     let _ = remove_dir_all(&tmp);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 |         create_dir(&output);
[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] 234 |         let _ = create_dir(&output);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:309:29
[INFO] [stdout]     |
[INFO] [stdout] 309 | ...                   file.write(body_vec.as_ref());
[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] 309 |                             let _ = file.write(body_vec.as_ref());
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:331:5
[INFO] [stdout]     |
[INFO] [stdout] 331 |     file.write(body_vec.as_ref());
[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] 331 |     let _ = file.write(body_vec.as_ref());
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:340:5
[INFO] [stdout]     |
[INFO] [stdout] 340 |     remove_dir_all(&pile_dir);
[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] 340 |     let _ = remove_dir_all(&pile_dir);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:341:5
[INFO] [stdout]     |
[INFO] [stdout] 341 |     remove_dir_all(&output);
[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] 341 |     let _ = remove_dir_all(&output);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::exit`
[INFO] [stdout]  --> src/app/s3_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::process::exit;
[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: `self as s3`
[INFO] [stdout]  --> src/app/s3_test.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use aws_sdk_s3::{self as s3};
[INFO] [stdout]   |                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `aws_sdk_s3::Client`
[INFO] [stdout]  --> src/app/mrl-ctl.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use aws_sdk_s3::Client;
[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: `tonic::transport::Channel`
[INFO] [stdout]  --> src/app/mrl-ctl.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tonic::transport::Channel;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SendJobResponse` and `StatusResponse`
[INFO] [stdout]  --> src/app/mrl-ctl.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 | use clientele::{SendJobRequest, SendJobResponse, StatusRequest, StatusResponse};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^^                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GetAllJobsResponse`
[INFO] [stdout]  --> src/app/mrl-ctl.rs:7:36
[INFO] [stdout]   |
[INFO] [stdout] 7 | use clientele::{GetAllJobsRequest, GetAllJobsResponse};
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `list_objects_v2::ListObjectsV2Output`
[INFO] [stdout]  --> src/s3_client/client.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     list_objects_v2::ListObjectsV2Output,
[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: `escape`
[INFO] [stdout]   --> src/s3_client/client.rs:20:20
[INFO] [stdout]    |
[INFO] [stdout] 20 | use regex::{Regex, escape};
[INFO] [stdout]    |                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/app/s3_test.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     client::delete_objects(&client, &bucket_name, "testcases/graph-edges").await;
[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] 32 |     let _ = client::delete_objects(&client, &bucket_name, "testcases/graph-edges").await;
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `map_reduce_server`
[INFO] [stdout]   --> src/app/mrl-coordinator.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 | use mapreduce::{map_reduce_server, Job as ProtoJob, MapRequest, MapResponse, ReduceRequest, ReduceResponse};
[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: `Channel`
[INFO] [stdout]   --> src/app/mrl-coordinator.rs:18:24
[INFO] [stdout]    |
[INFO] [stdout] 18 | use tonic::transport::{Channel, Server};
[INFO] [stdout]    |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:225:13
[INFO] [stdout]     |
[INFO] [stdout] 225 |     let mut value = Bytes::new();
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `map_response` is assigned to, but never used
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:252:9
[INFO] [stdout]     |
[INFO] [stdout] 252 |     let map_response: Response<MapResponse>;
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_map_response` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `map_response` is never read
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:254:18
[INFO] [stdout]     |
[INFO] [stdout] 254 |         Ok(w) => map_response = w?,
[INFO] [stdout]     |                  ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `reduce_response` is assigned to, but never used
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:270:9
[INFO] [stdout]     |
[INFO] [stdout] 270 |     let reduce_response: Response<ReduceResponse>;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_reduce_response` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `reduce_response` is never read
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:273:13
[INFO] [stdout]     |
[INFO] [stdout] 273 |             reduce_response = w?;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `completed` is never read
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:325:29
[INFO] [stdout]     |
[INFO] [stdout] 325 | ...                   completed = true;
[INFO] [stdout]     |                       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:310:21
[INFO] [stdout]     |
[INFO] [stdout] 310 |                 let mut nr;
[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: value assigned to `completed` is never read
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:366:37
[INFO] [stdout]     |
[INFO] [stdout] 366 | ...                   completed = true;
[INFO] [stdout]     |                       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keyring`
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:402:9
[INFO] [stdout]     |
[INFO] [stdout] 402 |     let keyring = Arc::new(Keyring::new());
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keyring`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prev`
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:421:13
[INFO] [stdout]     |
[INFO] [stdout] 421 |     let mut prev = inputs.len();
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_prev`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:421:9
[INFO] [stdout]     |
[INFO] [stdout] 421 |     let mut prev = inputs.len();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/workload/matrix_multiplication1.rs:63:15
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn reduce(key: Bytes, values: Box<dyn Iterator<Item = Bytes> + '_>, _aux: Bytes) -> Result<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: `num_reduce_worker`
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:119:68
[INFO] [stdout]     |
[INFO] [stdout] 119 | fn map_write(key_in: String, buckets: DashMap<u32, Vec<KeyValue>>, num_reduce_worker: usize, dir: &str){
[INFO] [stdout]     |                                                                    ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_reduce_worker`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `s3_gRPC` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub mod s3_gRPC;
[INFO] [stdout]    |         ^^^^^^^ help: convert the identifier to snake case: `s3_g_rpc`
[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_A` should have a snake case name
[INFO] [stdout]   --> src/workload/matrix_multiplication1.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let mut mat_A = Vec::new();
[INFO] [stdout]    |             ^^^^^ help: convert the identifier to snake case: `mat_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `mat_B` should have a snake case name
[INFO] [stdout]   --> src/workload/matrix_multiplication1.rs:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |     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_multiplication1.rs:81:15
[INFO] [stdout]    |
[INFO] [stdout] 81 |     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_multiplication1.rs:82:19
[INFO] [stdout]    |
[INFO] [stdout] 82 |         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: unused `Result` that must be used
[INFO] [stdout]   --> src/s3_gRPC/engine.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         create_dir(&dir);
[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] 50 |         let _ = create_dir(&dir);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |     remove_dir_all(&dir);
[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] 115 |     let _ = remove_dir_all(&dir);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |         file.write(body_bytes);
[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] 138 |         let _ = file.write(body_bytes);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |         create_dir(&dir);
[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] 188 |         let _ = create_dir(&dir);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 198 |         create_dir(&pile_dir);
[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] 198 |         let _ = create_dir(&pile_dir);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:209:5
[INFO] [stdout]     |
[INFO] [stdout] 209 |     remove_dir_all(&dir);
[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] 209 |     let _ = remove_dir_all(&dir);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:215:9
[INFO] [stdout]     |
[INFO] [stdout] 215 |         create_dir(&tmp);
[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] 215 |         let _ = create_dir(&tmp);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:218:5
[INFO] [stdout]     |
[INFO] [stdout] 218 |     remove_dir_all(&tmp);
[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] 218 |     let _ = remove_dir_all(&tmp);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 |         create_dir(&output);
[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] 234 |         let _ = create_dir(&output);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:309:29
[INFO] [stdout]     |
[INFO] [stdout] 309 | ...                   file.write(body_vec.as_ref());
[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] 309 |                             let _ = file.write(body_vec.as_ref());
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:331:5
[INFO] [stdout]     |
[INFO] [stdout] 331 |     file.write(body_vec.as_ref());
[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] 331 |     let _ = file.write(body_vec.as_ref());
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:340:5
[INFO] [stdout]     |
[INFO] [stdout] 340 |     remove_dir_all(&pile_dir);
[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] 340 |     let _ = remove_dir_all(&pile_dir);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/s3_gRPC/engine.rs:341:5
[INFO] [stdout]     |
[INFO] [stdout] 341 |     remove_dir_all(&output);
[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] 341 |     let _ = remove_dir_all(&output);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `worker`
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:134:14
[INFO] [stdout]     |
[INFO] [stdout] 134 |         for (worker, state) in workers.iter().zip(states.iter()) {
[INFO] [stdout]     |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_worker`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:179:13
[INFO] [stdout]     |
[INFO] [stdout] 179 |         let mut proto_jobs = jobs.iter().map(|job| ProtoJob {
[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/app/mrl-coordinator.rs:195:13
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let mut proto_states: Vec<i32> = states.iter().map(|state| match state {
[INFO] [stdout]     |             ----^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:535:5
[INFO] [stdout]     |
[INFO] [stdout] 535 |     unsafe{parse_args();}//theoretically fine
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Failed` is never constructed
[INFO] [stdout]   --> src/app/mrl-coordinator.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | enum JobStatus{
[INFO] [stdout]    |      --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 53 |     Failed,
[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 `Result` that must be used
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:324:29
[INFO] [stdout]     |
[INFO] [stdout] 324 | ...                   tx.send(worker.id).await;
[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] 324 |                             let _ = tx.send(worker.id).await;
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/app/mrl-coordinator.rs:558:13
[INFO] [stdout]     |
[INFO] [stdout] 558 |             execute_mapreduce(master_service.clone(), client_service.clone(),  job).await;
[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] 558 |             let _ = execute_mapreduce(master_service.clone(), client_service.clone(),  job).await;
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.91s
[INFO] running `Command { std: "docker" "inspect" "f33f10d69a9b5a44a9abb12cb07c179fe56e386fe83394899dcd3bbda544cdf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f33f10d69a9b5a44a9abb12cb07c179fe56e386fe83394899dcd3bbda544cdf7", kill_on_drop: false }`
[INFO] [stdout] f33f10d69a9b5a44a9abb12cb07c179fe56e386fe83394899dcd3bbda544cdf7
