[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] testing 6480689/MapReduceLite against 1.95.0 for beta-1.96-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F6480689%2FMapReduceLite" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/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-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/6480689/MapReduceLite on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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_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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7ddabd5a1b1d3d188562e84679d13aaab9332de75fb38326a579a8f2456bdae
[INFO] running `Command { std: "docker" "start" "-a" "f7ddabd5a1b1d3d188562e84679d13aaab9332de75fb38326a579a8f2456bdae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7ddabd5a1b1d3d188562e84679d13aaab9332de75fb38326a579a8f2456bdae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7ddabd5a1b1d3d188562e84679d13aaab9332de75fb38326a579a8f2456bdae", kill_on_drop: false }`
[INFO] [stdout] f7ddabd5a1b1d3d188562e84679d13aaab9332de75fb38326a579a8f2456bdae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5b95e2885748dc4529ee6a6897e1e2583cc5a7eca12691fd76cb9a2cf6d74de
[INFO] running `Command { std: "docker" "start" "-a" "f5b95e2885748dc4529ee6a6897e1e2583cc5a7eca12691fd76cb9a2cf6d74de", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.83
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[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]    Compiling sync_wrapper v0.1.2
[INFO] [stderr]    Compiling matchit v0.7.3
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[INFO] [stderr]    Compiling clap_lex v0.7.0
[INFO] [stderr]    Compiling lru v0.12.3
[INFO] [stderr]    Compiling clap_builder v4.5.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling bytesize v1.3.0
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling deepsize_derive v0.1.2
[INFO] [stderr]    Compiling sct v0.7.1
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[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.3.0
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[INFO] [stderr]    Compiling zerofrom-derive v0.1.4
[INFO] [stderr]    Compiling yoke-derive v0.7.4
[INFO] [stderr]    Compiling zerovec-derive v0.10.2
[INFO] [stderr]    Compiling displaydoc v0.2.4
[INFO] [stderr]    Compiling prost-derive v0.12.6
[INFO] [stderr]    Compiling tokio v1.38.0
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.202
[INFO] [stderr]    Compiling regex v1.10.5
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling async-trait v0.1.80
[INFO] [stderr]    Compiling zerofrom v0.1.4
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling yoke v0.7.4
[INFO] [stderr]    Compiling zerovec v0.10.2
[INFO] [stderr]    Compiling env_filter v0.1.0
[INFO] [stderr]    Compiling deepsize v0.2.0
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]    Compiling async-stream v0.3.5
[INFO] [stderr]    Compiling env_logger v0.11.3
[INFO] [stderr]    Compiling dashmap v5.5.3
[INFO] [stderr]    Compiling prost v0.12.6
[INFO] [stderr]    Compiling tinystr v0.7.6
[INFO] [stderr]    Compiling icu_collections v1.5.0
[INFO] [stderr]    Compiling pin-project v1.1.5
[INFO] [stderr]    Compiling prost-types v0.12.6
[INFO] [stderr]    Compiling icu_locid v1.5.0
[INFO] [stderr]    Compiling icu_provider v1.5.0
[INFO] [stderr]    Compiling prost-build v0.12.6
[INFO] [stderr]    Compiling icu_locid_transform v1.5.0
[INFO] [stderr]    Compiling clap v4.5.4
[INFO] [stderr]    Compiling http-body-util v0.1.2
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling tonic-build v0.11.0
[INFO] [stderr]    Compiling icu_properties v1.5.0
[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] 
[INFO] [stderr]    Compiling icu_normalizer v1.5.0
[INFO] [stderr]    Compiling tokio-util v0.7.11
[INFO] [stderr]    Compiling aws-smithy-async v1.2.1
[INFO] [stderr]    Compiling tokio-rustls v0.24.1
[INFO] [stderr]    Compiling tokio-io-timeout v1.2.0
[INFO] [stderr]    Compiling tokio-stream v0.1.15
[INFO] [stderr]    Compiling idna v1.0.0
[INFO] [stderr]    Compiling url v2.5.1
[INFO] [stderr]    Compiling rmp-serde v1.3.0
[INFO] [stderr]    Compiling aws-smithy-types v1.2.0
[INFO] [stderr]    Compiling h2 v0.3.26
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling ext-sort v0.1.4
[INFO] [stderr]    Compiling aws-smithy-runtime-api v1.6.3
[INFO] [stderr]    Compiling aws-smithy-eventstream v0.60.4
[INFO] [stderr]    Compiling aws-smithy-json v0.60.7
[INFO] [stderr]    Compiling aws-smithy-query v0.60.7
[INFO] [stderr]    Compiling aws-smithy-http v0.60.8
[INFO] [stderr]    Compiling aws-credential-types v1.2.0
[INFO] [stderr]    Compiling aws-sigv4 v1.2.1
[INFO] [stderr]    Compiling aws-smithy-checksums v0.60.9
[INFO] [stderr]    Compiling hyper v0.14.29
[INFO] [stderr]    Compiling aws-runtime v1.2.2
[INFO] [stderr]    Compiling hyper-rustls v0.24.2
[INFO] [stderr]    Compiling hyper-timeout v0.4.1
[INFO] [stderr]    Compiling aws-smithy-runtime v1.5.7
[INFO] [stderr]    Compiling aws-sdk-sso v1.29.0
[INFO] [stderr]    Compiling aws-sdk-sts v1.29.0
[INFO] [stderr]    Compiling aws-sdk-ssooidc v1.30.0
[INFO] [stderr]    Compiling aws-sdk-s3 v1.34.0
[INFO] [stderr]    Compiling tonic v0.11.0
[INFO] [stderr]    Compiling aws-config v1.5.1
[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: 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: 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]     |                               ^^^^^^^^^^^^^^^^
[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: 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]     |                     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being 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] [stderr] error: could not compile `aws-sdk-s3` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.95.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name aws_sdk_s3 --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/aws-sdk-s3-1.34.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="rt-tokio"' --cfg 'feature="rustls"' --cfg 'feature="sigv4a"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("behavior-version-latest", "default", "rt-tokio", "rustls", "sigv4a", "test-util"))' -C metadata=43f385add4fe1b74 -C extra-filename=-19ef25e03ae8c221 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ahash=/opt/rustwide/target/debug/deps/libahash-ad825907de93e58f.rmeta --extern aws_credential_types=/opt/rustwide/target/debug/deps/libaws_credential_types-f017bd79bd64c476.rmeta --extern aws_runtime=/opt/rustwide/target/debug/deps/libaws_runtime-90a6e48f734f9a19.rmeta --extern aws_sigv4=/opt/rustwide/target/debug/deps/libaws_sigv4-3d8cfe6cb1fb4591.rmeta --extern aws_smithy_async=/opt/rustwide/target/debug/deps/libaws_smithy_async-61c42ce9557955f3.rmeta --extern aws_smithy_checksums=/opt/rustwide/target/debug/deps/libaws_smithy_checksums-fc01e7ea94686294.rmeta --extern aws_smithy_eventstream=/opt/rustwide/target/debug/deps/libaws_smithy_eventstream-aa3bda6961d2264e.rmeta --extern aws_smithy_http=/opt/rustwide/target/debug/deps/libaws_smithy_http-988d143de59fd292.rmeta --extern aws_smithy_json=/opt/rustwide/target/debug/deps/libaws_smithy_json-103e68673cde05c7.rmeta --extern aws_smithy_runtime=/opt/rustwide/target/debug/deps/libaws_smithy_runtime-2973ddcc36022fbc.rmeta --extern aws_smithy_runtime_api=/opt/rustwide/target/debug/deps/libaws_smithy_runtime_api-ef029db2fb49c110.rmeta --extern aws_smithy_types=/opt/rustwide/target/debug/deps/libaws_smithy_types-64871e19cee934e1.rmeta --extern aws_smithy_xml=/opt/rustwide/target/debug/deps/libaws_smithy_xml-63827f9f2e5ce3fb.rmeta --extern aws_types=/opt/rustwide/target/debug/deps/libaws_types-42e6ae77d8677f23.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-3dd81d65e02422e0.rmeta --extern fastrand=/opt/rustwide/target/debug/deps/libfastrand-e68bcbdbd936219a.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-0b3fae1a86581d8a.rmeta --extern hmac=/opt/rustwide/target/debug/deps/libhmac-43fb3cc566d3a95a.rmeta --extern http=/opt/rustwide/target/debug/deps/libhttp-be4f7075c6d8c0f1.rmeta --extern http_body=/opt/rustwide/target/debug/deps/libhttp_body-eb34d48e8de4aaf7.rmeta --extern lru=/opt/rustwide/target/debug/deps/liblru-4c2e360761137687.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-4f6cf5342f6e55c7.rmeta --extern percent_encoding=/opt/rustwide/target/debug/deps/libpercent_encoding-64aa0cd0dae32c77.rmeta --extern regex_lite=/opt/rustwide/target/debug/deps/libregex_lite-fe823e3602408a34.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-5da93e9e8e8bbe49.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-21840365e8710ae6.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-0754e8cd4ba3086e.rmeta --cap-lints allow --cap-lints=warn -L native=/opt/rustwide/target/debug/build/ring-494b89eaf56f2ff5/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f5b95e2885748dc4529ee6a6897e1e2583cc5a7eca12691fd76cb9a2cf6d74de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5b95e2885748dc4529ee6a6897e1e2583cc5a7eca12691fd76cb9a2cf6d74de", kill_on_drop: false }`
[INFO] [stdout] f5b95e2885748dc4529ee6a6897e1e2583cc5a7eca12691fd76cb9a2cf6d74de
