[INFO] cloning repository https://github.com/csrene/rinites
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/csrene/rinites" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcsrene%2Frinites", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcsrene%2Frinites'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54dac5b6b005a6ff13efb0f0d958583a562f1d05
[INFO] testing csrene/rinites against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcsrene%2Frinites" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/csrene/rinites on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/csrene/rinites
[INFO] finished tweaking git repo https://github.com/csrene/rinites
[INFO] tweaked toml for git repo https://github.com/csrene/rinites written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/csrene/rinites already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77253c984f9903922a9c99f1578d967c28ead3cf5f58ca0498f92c0d5f75e636
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "77253c984f9903922a9c99f1578d967c28ead3cf5f58ca0498f92c0d5f75e636", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77253c984f9903922a9c99f1578d967c28ead3cf5f58ca0498f92c0d5f75e636", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77253c984f9903922a9c99f1578d967c28ead3cf5f58ca0498f92c0d5f75e636", kill_on_drop: false }`
[INFO] [stdout] 77253c984f9903922a9c99f1578d967c28ead3cf5f58ca0498f92c0d5f75e636
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08f91d484406b210152f93cf7a73e68ffa7344680559fbd3e7de21045c8f37d5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "08f91d484406b210152f93cf7a73e68ffa7344680559fbd3e7de21045c8f37d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling futures-core v0.3.1
[INFO] [stderr]    Compiling futures-sink v0.3.1
[INFO] [stderr]    Compiling bytes v0.5.3
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling futures-task v0.3.1
[INFO] [stderr]    Compiling futures-io v0.3.1
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling arc-swap v0.4.4
[INFO] [stderr]    Compiling pin-project-lite v0.1.1
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling json v0.12.0
[INFO] [stderr]    Compiling base64 v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling lock_api v0.3.2
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling futures-channel v0.3.1
[INFO] [stderr]    Compiling http v0.2.0
[INFO] [stderr]    Compiling bytestring v0.1.2
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.7.0
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling socket2 v0.3.11
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling flate2 v1.0.13
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling resolv-conf v0.6.2
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling parking_lot v0.10.0
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling url v2.1.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling tokio v0.2.6
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling actix-codec v0.2.0
[INFO] [stderr]    Compiling brotli2 v0.3.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling derive_more v0.99.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]    Compiling actix-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling enum-as-inner v0.3.0
[INFO] [stderr]    Compiling async-trait v0.1.21
[INFO] [stderr]    Compiling structopt-derive v0.3.5
[INFO] [stderr]    Compiling actix-web-codegen v0.2.0
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]    Compiling structopt v0.3.5
[INFO] [stderr]    Compiling futures-util v0.3.1
[INFO] [stderr]    Compiling pin-project v0.4.6
[INFO] [stderr]    Compiling actix-threadpool v0.3.1
[INFO] [stderr]    Compiling futures-executor v0.3.1
[INFO] [stderr]    Compiling actix-service v1.0.1
[INFO] [stderr]    Compiling h2 v0.2.1
[INFO] [stderr]    Compiling futures v0.3.1
[INFO] [stderr]    Compiling actix-rt v1.0.0
[INFO] [stderr]    Compiling trust-dns-proto v0.18.0-alpha.2
[INFO] [stderr]    Compiling actix-utils v1.0.4
[INFO] [stderr]    Compiling actix-server v1.0.0
[INFO] [stderr]    Compiling actix-tls v1.0.0
[INFO] [stderr]    Compiling actix-testing v1.0.0
[INFO] [stderr]    Compiling trust-dns-resolver v0.18.0-alpha.2
[INFO] [stderr]    Compiling actix-connect v1.0.1
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]    Compiling actix-router v0.2.0
[INFO] [stderr]    Compiling actix-http v1.0.1
[INFO] [stderr]    Compiling awc v1.0.1
[INFO] [stderr]    Compiling actix-web v2.0.0-rc
[INFO] [stderr]    Compiling rinites v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::net::SocketAddr`
[INFO] [stdout]  --> src/shards/shard_controller.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::SocketAddr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/shards/shard_controller.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `App`, `HttpRequest`, `HttpResponse`, `HttpServer`, `Responder`, `get`, `post`, `web`
[INFO] [stdout]  --> src/shards/shard_controller.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use actix_web::{App, get, HttpRequest, HttpResponse, HttpServer, post, Responder, web};
[INFO] [stdout]   |                 ^^^  ^^^  ^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^  ^^^^  ^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `actix_web::body::Body`
[INFO] [stdout]  --> src/shards/shard_controller.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use actix_web::body::Body;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `json::JsonValue`
[INFO] [stdout]  --> src/shards/shard_controller.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use json::JsonValue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `structopt::StructOpt`
[INFO] [stdout]   --> src/shards/shard_controller.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use structopt::StructOpt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Response`
[INFO] [stdout]   --> src/shards/shard_controller.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::Response;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ShardIteratorType`, `assert_recordable`
[INFO] [stdout]   --> src/shards/shard_controller.rs:13:29
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::shards::shards::{assert_recordable, Record, ShardDir, ShardIteratorType, ShardReader, ShardWriter, ShaW};
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread`
[INFO] [stdout]  --> src/shards/shards.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs, thread};
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::SocketAddr`
[INFO] [stdout]  --> src/shards/shards.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::net::SocketAddr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]  --> src/shards/shards.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::{Arc, Mutex};
[INFO] [stdout]   |                 ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AtomicUsize`, `Ordering`
[INFO] [stdout]  --> src/shards/shards.rs:9:25
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::sync::atomic::{AtomicUsize, Ordering};
[INFO] [stdout]   |                         ^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Receiver`, `Sender`
[INFO] [stdout]   --> src/shards/shards.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::sync::mpsc::{Receiver, Sender};
[INFO] [stdout]    |                       ^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::JoinHandle`
[INFO] [stdout]   --> src/shards/shards.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::thread::JoinHandle;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Response`
[INFO] [stdout]   --> src/shards/shards.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::Response;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/shards/shards.rs:36:23
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn serialized(mut self) -> Vec<u8> {
[INFO] [stdout]    |                       ----^^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/shards/shard_controller.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         shard_writer.write(records);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/shards/shards.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |         reader.seek(SeekFrom::Start(self.offset));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/shards/shards.rs:236:13
[INFO] [stdout]     |
[INFO] [stdout] 236 |             fs::create_dir(&self.mount_dir);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ClientResponse`
[INFO] [stdout]  --> src/bin/benchmark_tcp.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 | use actix_web::client::{Client, ClientResponse};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng`, `thread_rng`
[INFO] [stdout]  --> src/bin/benchmark_tcp.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::{Rng, thread_rng};
[INFO] [stdout]   |            ^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::distributions::Alphanumeric`
[INFO] [stdout]  --> src/bin/benchmark_tcp.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand::distributions::Alphanumeric;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/benchmark_tcp.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut client = Client::default();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::SocketAddr`
[INFO] [stdout]  --> src/bin/rinites_tcp.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::SocketAddr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HttpRequest`
[INFO] [stdout]  --> src/bin/rinites_tcp.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 | use actix_web::{App, get, HttpRequest, HttpResponse, HttpServer, post, Responder, web};
[INFO] [stdout]   |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `actix_web::body::Body`
[INFO] [stdout]  --> src/bin/rinites_tcp.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use actix_web::body::Body;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `json::JsonValue`
[INFO] [stdout]   --> src/bin/rinites_tcp.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use json::JsonValue;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ShaW`, `ShardReader`, `ShardWriter`, `assert_recordable`
[INFO] [stdout]   --> src/bin/rinites_tcp.rs:16:31
[INFO] [stdout]    |
[INFO] [stdout] 16 | use rinites::shards::shards::{assert_recordable, Record, ShardDir, ShardReader, ShardWriter, ShaW};
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^                    ^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 05s
[INFO] running `Command { std: "docker" "inspect" "08f91d484406b210152f93cf7a73e68ffa7344680559fbd3e7de21045c8f37d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08f91d484406b210152f93cf7a73e68ffa7344680559fbd3e7de21045c8f37d5", kill_on_drop: false }`
[INFO] [stdout] 08f91d484406b210152f93cf7a73e68ffa7344680559fbd3e7de21045c8f37d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff6b0bd1ac1f80cdf67a0db512744d8ba4e21d9b8c2a8209a569a247abab9ac3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ff6b0bd1ac1f80cdf67a0db512744d8ba4e21d9b8c2a8209a569a247abab9ac3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rinites v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::net::SocketAddr`
[INFO] [stdout]  --> src/shards/shard_controller.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::SocketAddr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/shards/shard_controller.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `App`, `HttpRequest`, `HttpResponse`, `HttpServer`, `Responder`, `get`, `post`, `web`
[INFO] [stdout]  --> src/shards/shard_controller.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use actix_web::{App, get, HttpRequest, HttpResponse, HttpServer, post, Responder, web};
[INFO] [stdout]   |                 ^^^  ^^^  ^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^  ^^^^  ^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `actix_web::body::Body`
[INFO] [stdout]  --> src/shards/shard_controller.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use actix_web::body::Body;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `json::JsonValue`
[INFO] [stdout]  --> src/shards/shard_controller.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use json::JsonValue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `structopt::StructOpt`
[INFO] [stdout]   --> src/shards/shard_controller.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use structopt::StructOpt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Response`
[INFO] [stdout]   --> src/shards/shard_controller.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::Response;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ShardIteratorType`, `assert_recordable`
[INFO] [stdout]   --> src/shards/shard_controller.rs:13:29
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::shards::shards::{assert_recordable, Record, ShardDir, ShardIteratorType, ShardReader, ShardWriter, ShaW};
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread`
[INFO] [stdout]  --> src/shards/shards.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs, thread};
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::SocketAddr`
[INFO] [stdout]  --> src/shards/shards.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::net::SocketAddr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]  --> src/shards/shards.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::{Arc, Mutex};
[INFO] [stdout]   |                 ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AtomicUsize`, `Ordering`
[INFO] [stdout]  --> src/shards/shards.rs:9:25
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::sync::atomic::{AtomicUsize, Ordering};
[INFO] [stdout]   |                         ^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Receiver`, `Sender`
[INFO] [stdout]   --> src/shards/shards.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::sync::mpsc::{Receiver, Sender};
[INFO] [stdout]    |                       ^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::JoinHandle`
[INFO] [stdout]   --> src/shards/shards.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::thread::JoinHandle;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Response`
[INFO] [stdout]   --> src/shards/shards.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::Response;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/shards/shards.rs:36:23
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn serialized(mut self) -> Vec<u8> {
[INFO] [stdout]    |                       ----^^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/shards/shard_controller.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         shard_writer.write(records);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/shards/shards.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |         reader.seek(SeekFrom::Start(self.offset));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/shards/shards.rs:236:13
[INFO] [stdout]     |
[INFO] [stdout] 236 |             fs::create_dir(&self.mount_dir);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ClientResponse`
[INFO] [stdout]  --> src/bin/benchmark_tcp.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 | use actix_web::client::{Client, ClientResponse};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng`, `thread_rng`
[INFO] [stdout]  --> src/bin/benchmark_tcp.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::{Rng, thread_rng};
[INFO] [stdout]   |            ^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::distributions::Alphanumeric`
[INFO] [stdout]  --> src/bin/benchmark_tcp.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand::distributions::Alphanumeric;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::SocketAddr`
[INFO] [stdout]  --> src/bin/rinites_tcp.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::SocketAddr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HttpRequest`
[INFO] [stdout]  --> src/bin/rinites_tcp.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 | use actix_web::{App, get, HttpRequest, HttpResponse, HttpServer, post, Responder, web};
[INFO] [stdout]   |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `actix_web::body::Body`
[INFO] [stdout]  --> src/bin/rinites_tcp.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use actix_web::body::Body;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `json::JsonValue`
[INFO] [stdout]   --> src/bin/rinites_tcp.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use json::JsonValue;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ShaW`, `ShardReader`, `ShardWriter`, `assert_recordable`
[INFO] [stdout]   --> src/bin/rinites_tcp.rs:16:31
[INFO] [stdout]    |
[INFO] [stdout] 16 | use rinites::shards::shards::{assert_recordable, Record, ShardDir, ShardReader, ShardWriter, ShaW};
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^                    ^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::SocketAddr`
[INFO] [stdout]  --> src/shards/shard_controller.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::SocketAddr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/shards/shard_controller.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `App`, `HttpRequest`, `HttpResponse`, `HttpServer`, `Responder`, `get`, `post`, `web`
[INFO] [stdout]  --> src/shards/shard_controller.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use actix_web::{App, get, HttpRequest, HttpResponse, HttpServer, post, Responder, web};
[INFO] [stdout]   |                 ^^^  ^^^  ^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^  ^^^^  ^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `actix_web::body::Body`
[INFO] [stdout]  --> src/shards/shard_controller.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use actix_web::body::Body;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `json::JsonValue`
[INFO] [stdout]  --> src/shards/shard_controller.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use json::JsonValue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `structopt::StructOpt`
[INFO] [stdout]   --> src/shards/shard_controller.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use structopt::StructOpt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Response`
[INFO] [stdout]   --> src/shards/shard_controller.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::Response;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ShardIteratorType`, `assert_recordable`
[INFO] [stdout]   --> src/shards/shard_controller.rs:13:29
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::shards::shards::{assert_recordable, Record, ShardDir, ShardIteratorType, ShardReader, ShardWriter, ShaW};
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File`, `create_dir`
[INFO] [stdout]   --> src/shards/shard_controller.rs:80:19
[INFO] [stdout]    |
[INFO] [stdout] 80 |     use std::fs::{create_dir, File};
[INFO] [stdout]    |                   ^^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufReader`
[INFO] [stdout]   --> src/shards/shard_controller.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |     use std::io::BufReader;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ordering`
[INFO] [stdout]   --> src/shards/shard_controller.rs:85:42
[INFO] [stdout]    |
[INFO] [stdout] 85 |     use std::sync::atomic::{AtomicUsize, Ordering};
[INFO] [stdout]    |                                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ShaW`, `ShardReader`, `ShardWriter`
[INFO] [stdout]   --> src/shards/shard_controller.rs:91:51
[INFO] [stdout]    |
[INFO] [stdout] 91 |     use crate::shards::shards::{Record, ShardDir, ShardReader, ShardWriter, ShaW};
[INFO] [stdout]    |                                                   ^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread`
[INFO] [stdout]  --> src/shards/shards.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs, thread};
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::SocketAddr`
[INFO] [stdout]  --> src/shards/shards.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::net::SocketAddr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]  --> src/shards/shards.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::{Arc, Mutex};
[INFO] [stdout]   |                 ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AtomicUsize`, `Ordering`
[INFO] [stdout]  --> src/shards/shards.rs:9:25
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::sync::atomic::{AtomicUsize, Ordering};
[INFO] [stdout]   |                         ^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Receiver`, `Sender`
[INFO] [stdout]   --> src/shards/shards.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::sync::mpsc::{Receiver, Sender};
[INFO] [stdout]    |                       ^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::JoinHandle`
[INFO] [stdout]   --> src/shards/shards.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::thread::JoinHandle;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Response`
[INFO] [stdout]   --> src/shards/shards.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::Response;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufReader`
[INFO] [stdout]    --> src/shards/shards.rs:269:9
[INFO] [stdout]     |
[INFO] [stdout] 269 |     use std::io::BufReader;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]    --> src/shards/shards.rs:272:9
[INFO] [stdout]     |
[INFO] [stdout] 272 |     use std::sync::Arc;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AtomicUsize`, `Ordering`
[INFO] [stdout]    --> src/shards/shards.rs:273:29
[INFO] [stdout]     |
[INFO] [stdout] 273 |     use std::sync::atomic::{AtomicUsize, Ordering};
[INFO] [stdout]     |                             ^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/benchmark_tcp.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut client = Client::default();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude`
[INFO] [stdout]   --> src/shards/shard_controller.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     use std::io::prelude::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `string_data_2`
[INFO] [stdout]    --> src/shards/shards.rs:463:17
[INFO] [stdout]     |
[INFO] [stdout] 463 |             let string_data_2 = base64::encode("meucu_tem_oculos_2".as_bytes());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_string_data_2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/shards/shards.rs:36:23
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn serialized(mut self) -> Vec<u8> {
[INFO] [stdout]    |                       ----^^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/shards/shard_controller.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         shard_writer.write(records);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/shards/shard_controller.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |         std::fs::remove_dir_all(&mount_dir);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/shards/shard_controller.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |         std::fs::remove_dir_all(mount_dir);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/shards/shards.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |         reader.seek(SeekFrom::Start(self.offset));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/shards/shards.rs:236:13
[INFO] [stdout]     |
[INFO] [stdout] 236 |             fs::create_dir(&self.mount_dir);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/shards/shards.rs:288:9
[INFO] [stdout]     |
[INFO] [stdout] 288 |         std::fs::remove_dir_all(&mount_dir);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/shards/shards.rs:295:9
[INFO] [stdout]     |
[INFO] [stdout] 295 |         std::fs::remove_dir_all(mount_dir);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/shards/shards.rs:372:13
[INFO] [stdout]     |
[INFO] [stdout] 372 |             shard_writer.write(record);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/shards/shards.rs:379:17
[INFO] [stdout]     |
[INFO] [stdout] 379 |                 f.read_to_string(& mut res);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/shards/shards.rs:409:13
[INFO] [stdout]     |
[INFO] [stdout] 409 |             shard_writer.write(record.clone());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/shards/shards.rs:411:13
[INFO] [stdout]     |
[INFO] [stdout] 411 |             shard_writer.write(record.clone());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/shards/shards.rs:466:13
[INFO] [stdout]     |
[INFO] [stdout] 466 |             shard_writer.write(record_1.clone());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/shards/shards.rs:468:13
[INFO] [stdout]     |
[INFO] [stdout] 468 |             shard_writer.write(record_2.clone());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 38 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.10s
[INFO] running `Command { std: "docker" "inspect" "ff6b0bd1ac1f80cdf67a0db512744d8ba4e21d9b8c2a8209a569a247abab9ac3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff6b0bd1ac1f80cdf67a0db512744d8ba4e21d9b8c2a8209a569a247abab9ac3", kill_on_drop: false }`
[INFO] [stdout] ff6b0bd1ac1f80cdf67a0db512744d8ba4e21d9b8c2a8209a569a247abab9ac3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dbcec9819627e665e41636a427b9aed065834e73d41a3a40772925ff2d0d3598
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dbcec9819627e665e41636a427b9aed065834e73d41a3a40772925ff2d0d3598", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::net::SocketAddr`
[INFO] [stderr]  --> src/shards/shard_controller.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::net::SocketAddr;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/shards/shard_controller.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `App`, `HttpRequest`, `HttpResponse`, `HttpServer`, `Responder`, `get`, `post`, `web`
[INFO] [stderr]  --> src/shards/shard_controller.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 | use actix_web::{App, get, HttpRequest, HttpResponse, HttpServer, post, Responder, web};
[INFO] [stderr]   |                 ^^^  ^^^  ^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^  ^^^^  ^^^^^^^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `actix_web::body::Body`
[INFO] [stderr]  --> src/shards/shard_controller.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use actix_web::body::Body;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `json::JsonValue`
[INFO] [stderr]  --> src/shards/shard_controller.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use json::JsonValue;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `structopt::StructOpt`
[INFO] [stderr]   --> src/shards/shard_controller.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use structopt::StructOpt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::Response`
[INFO] [stderr]   --> src/shards/shard_controller.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use crate::Response;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ShardIteratorType`, `assert_recordable`
[INFO] [stderr]   --> src/shards/shard_controller.rs:13:29
[INFO] [stderr]    |
[INFO] [stderr] 13 | use crate::shards::shards::{assert_recordable, Record, ShardDir, ShardIteratorType, ShardReader, ShardWriter, ShaW};
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^                    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::net::SocketAddr`
[INFO] [stderr]  --> src/shards/shard_controller.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::net::SocketAddr;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `thread`
[INFO] [stderr]  --> src/shards/shards.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{fs, thread};
[INFO] [stderr]   |               ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/shards/shard_controller.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::net::SocketAddr`
[INFO] [stderr]  --> src/shards/shards.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::net::SocketAddr;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Arc`, `Mutex`
[INFO] [stderr]  --> src/shards/shards.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::sync::{Arc, Mutex};
[INFO] [stderr]   |                 ^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AtomicUsize`, `Ordering`
[INFO] [stderr]  --> src/shards/shards.rs:9:25
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::sync::atomic::{AtomicUsize, Ordering};
[INFO] [stderr]   |                         ^^^^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `App`, `HttpRequest`, `HttpResponse`, `HttpServer`, `Responder`, `get`, `post`, `web`
[INFO] [stderr]  --> src/shards/shard_controller.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 | use actix_web::{App, get, HttpRequest, HttpResponse, HttpServer, post, Responder, web};
[INFO] [stderr]   |                 ^^^  ^^^  ^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^  ^^^^  ^^^^^^^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Receiver`, `Sender`
[INFO] [stderr]   --> src/shards/shards.rs:10:23
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::sync::mpsc::{Receiver, Sender};
[INFO] [stderr]    |                       ^^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `actix_web::body::Body`
[INFO] [stderr]  --> src/shards/shard_controller.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use actix_web::body::Body;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread::JoinHandle`
[INFO] [stderr]   --> src/shards/shards.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::thread::JoinHandle;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `json::JsonValue`
[INFO] [stderr]  --> src/shards/shard_controller.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use json::JsonValue;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::Response`
[INFO] [stderr]   --> src/shards/shards.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use crate::Response;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `structopt::StructOpt`
[INFO] [stderr]   --> src/shards/shard_controller.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use structopt::StructOpt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::Response`
[INFO] [stderr]   --> src/shards/shard_controller.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use crate::Response;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/shards/shards.rs:36:23
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn serialized(mut self) -> Vec<u8> {
[INFO] [stderr]    |                       ----^^^^
[INFO] [stderr]    |                       |
[INFO] [stderr]    |                       help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ShardIteratorType`, `assert_recordable`
[INFO] [stderr]   --> src/shards/shard_controller.rs:13:29
[INFO] [stderr]    |
[INFO] [stderr] 13 | use crate::shards::shards::{assert_recordable, Record, ShardDir, ShardIteratorType, ShardReader, ShardWriter, ShaW};
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^                    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/shards/shard_controller.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |         shard_writer.write(records);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `File`, `create_dir`
[INFO] [stderr]   --> src/shards/shard_controller.rs:80:19
[INFO] [stderr]    |
[INFO] [stderr] 80 |     use std::fs::{create_dir, File};
[INFO] [stderr]    |                   ^^^^^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/shards/shards.rs:118:9
[INFO] [stderr]     |
[INFO] [stderr] 118 |         reader.seek(SeekFrom::Start(self.offset));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::BufReader`
[INFO] [stderr]   --> src/shards/shard_controller.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 81 |     use std::io::BufReader;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/shards/shards.rs:236:13
[INFO] [stderr]     |
[INFO] [stderr] 236 |             fs::create_dir(&self.mount_dir);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Ordering`
[INFO] [stderr]   --> src/shards/shard_controller.rs:85:42
[INFO] [stderr]    |
[INFO] [stderr] 85 |     use std::sync::atomic::{AtomicUsize, Ordering};
[INFO] [stderr]    |                                          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 19 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ShaW`, `ShardReader`, `ShardWriter`
[INFO] [stderr]   --> src/shards/shard_controller.rs:91:51
[INFO] [stderr]    |
[INFO] [stderr] 91 |     use crate::shards::shards::{Record, ShardDir, ShardReader, ShardWriter, ShaW};
[INFO] [stderr]    |                                                   ^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `thread`
[INFO] [stderr]  --> src/shards/shards.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{fs, thread};
[INFO] [stderr]   |               ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::net::SocketAddr`
[INFO] [stderr]  --> src/shards/shards.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::net::SocketAddr;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Arc`, `Mutex`
[INFO] [stderr]  --> src/shards/shards.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::sync::{Arc, Mutex};
[INFO] [stderr]   |                 ^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AtomicUsize`, `Ordering`
[INFO] [stderr]  --> src/shards/shards.rs:9:25
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::sync::atomic::{AtomicUsize, Ordering};
[INFO] [stderr]   |                         ^^^^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Receiver`, `Sender`
[INFO] [stderr]   --> src/shards/shards.rs:10:23
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::sync::mpsc::{Receiver, Sender};
[INFO] [stderr]    |                       ^^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread::JoinHandle`
[INFO] [stderr]   --> src/shards/shards.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::thread::JoinHandle;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::Response`
[INFO] [stderr]   --> src/shards/shards.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use crate::Response;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::BufReader`
[INFO] [stderr]    --> src/shards/shards.rs:269:9
[INFO] [stderr]     |
[INFO] [stderr] 269 |     use std::io::BufReader;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::net::SocketAddr`
[INFO] [stderr]  --> src/bin/rinites_tcp.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::net::SocketAddr;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]    --> src/shards/shards.rs:272:9
[INFO] [stderr]     |
[INFO] [stderr] 272 |     use std::sync::Arc;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HttpRequest`
[INFO] [stderr]  --> src/bin/rinites_tcp.rs:6:27
[INFO] [stderr]   |
[INFO] [stderr] 6 | use actix_web::{App, get, HttpRequest, HttpResponse, HttpServer, post, Responder, web};
[INFO] [stderr]   |                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `actix_web::body::Body`
[INFO] [stderr]  --> src/bin/rinites_tcp.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use actix_web::body::Body;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AtomicUsize`, `Ordering`
[INFO] [stderr]    --> src/shards/shards.rs:273:29
[INFO] [stderr]     |
[INFO] [stderr] 273 |     use std::sync::atomic::{AtomicUsize, Ordering};
[INFO] [stderr]     |                             ^^^^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `json::JsonValue`
[INFO] [stderr]   --> src/bin/rinites_tcp.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use json::JsonValue;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude`
[INFO] [stderr]   --> src/shards/shard_controller.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |     use std::io::prelude::*;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ShaW`, `ShardReader`, `ShardWriter`, `assert_recordable`
[INFO] [stderr]   --> src/bin/rinites_tcp.rs:16:31
[INFO] [stderr]    |
[INFO] [stderr] 16 | use rinites::shards::shards::{assert_recordable, Record, ShardDir, ShardReader, ShardWriter, ShaW};
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^                    ^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `string_data_2`
[INFO] [stderr]    --> src/shards/shards.rs:463:17
[INFO] [stderr]     |
[INFO] [stderr] 463 |             let string_data_2 = base64::encode("meucu_tem_oculos_2".as_bytes());
[INFO] [stderr]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_string_data_2`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/shards/shards.rs:36:23
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn serialized(mut self) -> Vec<u8> {
[INFO] [stderr]    |                       ----^^^^
[INFO] [stderr]    |                       |
[INFO] [stderr]    |                       help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ClientResponse`
[INFO] [stderr]  --> src/bin/benchmark_tcp.rs:4:33
[INFO] [stderr]   |
[INFO] [stderr] 4 | use actix_web::client::{Client, ClientResponse};
[INFO] [stderr]   |                                 ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/shards/shard_controller.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |         shard_writer.write(records);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Rng`, `thread_rng`
[INFO] [stderr]  --> src/bin/benchmark_tcp.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | use rand::{Rng, thread_rng};
[INFO] [stderr]   |            ^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/shards/shard_controller.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 |         std::fs::remove_dir_all(&mount_dir);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::distributions::Alphanumeric`
[INFO] [stderr]  --> src/bin/benchmark_tcp.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use rand::distributions::Alphanumeric;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/shards/shard_controller.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 108 |         std::fs::remove_dir_all(mount_dir);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/shards/shards.rs:118:9
[INFO] [stderr]     |
[INFO] [stderr] 118 |         reader.seek(SeekFrom::Start(self.offset));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/benchmark_tcp.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let mut client = Client::default();
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/shards/shards.rs:236:13
[INFO] [stderr]     |
[INFO] [stderr] 236 |             fs::create_dir(&self.mount_dir);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/shards/shards.rs:288:9
[INFO] [stderr]     |
[INFO] [stderr] 288 |         std::fs::remove_dir_all(&mount_dir);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/shards/shards.rs:295:9
[INFO] [stderr]     |
[INFO] [stderr] 295 |         std::fs::remove_dir_all(mount_dir);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/shards/shards.rs:372:13
[INFO] [stderr]     |
[INFO] [stderr] 372 |             shard_writer.write(record);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/shards/shards.rs:379:17
[INFO] [stderr]     |
[INFO] [stderr] 379 |                 f.read_to_string(& mut res);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/shards/shards.rs:409:13
[INFO] [stderr]     |
[INFO] [stderr] 409 |             shard_writer.write(record.clone());
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/shards/shards.rs:411:13
[INFO] [stderr]     |
[INFO] [stderr] 411 |             shard_writer.write(record.clone());
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/shards/shards.rs:466:13
[INFO] [stderr]     |
[INFO] [stderr] 466 |             shard_writer.write(record_1.clone());
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/shards/shards.rs:468:13
[INFO] [stderr]     |
[INFO] [stderr] 468 |             shard_writer.write(record_2.clone());
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 38 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rinites-92b44319f68d91ac
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test shards::shards::tests::shard_dir_does_not_delete_existing_dir ... ok
[INFO] [stdout] test shards::shard_controller::tests::get_records_should_just_work_empty ... ok
[INFO] [stdout] test shards::shards::tests::shard_dir_creates_dir ... ok
[INFO] [stdout] test shards::shard_controller::tests::put_records_should_just_work ... ok
[INFO] [stdout] test shards::shards::tests::shard_writer2_writes_to_shard ... ok
[INFO] [stdout] test shards::shards::tests::shard_dir_gives_a_0_segment_on_new_dir ... ok
[INFO] [stdout] test shards::shards::tests::shard_reader_read_containing ... ok
[INFO] [stdout] test shards::shards::tests::shard_reader_read_empty ... ok
[INFO] [stdout] test shards::shards::tests::shard_writer2_writes_to_shard_rolls ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/benchmark_tcp-2ae4d6fad2540fe2
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rinites_tcp-89819c17d3b8e636
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rinites
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dbcec9819627e665e41636a427b9aed065834e73d41a3a40772925ff2d0d3598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbcec9819627e665e41636a427b9aed065834e73d41a3a40772925ff2d0d3598", kill_on_drop: false }`
[INFO] [stdout] dbcec9819627e665e41636a427b9aed065834e73d41a3a40772925ff2d0d3598
