[INFO] cloning repository https://github.com/diabloproject/qkv-db
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/diabloproject/qkv-db" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdiabloproject%2Fqkv-db", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdiabloproject%2Fqkv-db'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a2d233681c06b7fa655a666246c731b824d97f1c
[INFO] checking diabloproject/qkv-db against 895980e0290783bb09b1ccf1b11f14eb09b10430 for pr-160186
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdiabloproject%2Fqkv-db" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/diabloproject/qkv-db
[INFO] finished tweaking git repo https://github.com/diabloproject/qkv-db
[INFO] tweaked toml for git repo https://github.com/diabloproject/qkv-db written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/diabloproject/qkv-db on toolchain 895980e0290783bb09b1ccf1b11f14eb09b10430
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/diabloproject/qkv-db 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" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6e3b5d356e2d9b5bc67d220d0c607532b3ea4d893be2a45d3d13fdcfb5c32497
[INFO] running `Command { std: "docker" "start" "6e3b5d356e2d9b5bc67d220d0c607532b3ea4d893be2a45d3d13fdcfb5c32497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e3b5d356e2d9b5bc67d220d0c607532b3ea4d893be2a45d3d13fdcfb5c32497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6e3b5d356e2d9b5bc67d220d0c607532b3ea4d893be2a45d3d13fdcfb5c32497" "/opt/rustwide/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e3b5d356e2d9b5bc67d220d0c607532b3ea4d893be2a45d3d13fdcfb5c32497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6e3b5d356e2d9b5bc67d220d0c607532b3ea4d893be2a45d3d13fdcfb5c32497" "/opt/rustwide/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `anyhow::Context`
[INFO] [stdout]  --> src/command.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use anyhow::Context;
[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: `Zip`
[INFO] [stdout]  --> src/command.rs:2:32
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::{zip, Peekable, Zip};
[INFO] [stdout]   |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]  --> src/storage.rs:3:36
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt::{Display, Formatter, write};
[INFO] [stdout]   |                                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufReader`
[INFO] [stdout]   --> src/storage.rs:12:60
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tokio::io::{AsyncReadExt, AsyncSeekExt, AsyncWriteExt, BufReader};
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]  --> src/main.rs:7:36
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fmt::{Display, Formatter, write};
[INFO] [stdout]   |                                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SeekFrom`
[INFO] [stdout]  --> src/main.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::{Error, SeekFrom, Write};
[INFO] [stdout]   |                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::sync::Arc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncSeekExt`
[INFO] [stdout]   --> src/main.rs:14:31
[INFO] [stdout]    |
[INFO] [stdout] 14 | use tokio::io::{AsyncReadExt, AsyncSeekExt, AsyncWriteExt};
[INFO] [stdout]    |                               ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::RwLock`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use tokio::sync::RwLock;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ParseError`
[INFO] [stdout]   --> src/main.rs:16:31
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::command::{Command, ParseError, PropertyValue, ScanTargetBucket};
[INFO] [stdout]    |                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AlreadyInUse`
[INFO] [stdout]   --> src/main.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::storage::{AlreadyInUse, DatabaseConfiguration, Storage};
[INFO] [stdout]    |                      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ndarray::prelude::*`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use ndarray::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::Context`
[INFO] [stdout]  --> src/command.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use anyhow::Context;
[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: `Zip`
[INFO] [stdout]  --> src/command.rs:2:32
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::{zip, Peekable, Zip};
[INFO] [stdout]   |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]  --> src/storage.rs:3:36
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt::{Display, Formatter, write};
[INFO] [stdout]   |                                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufReader`
[INFO] [stdout]   --> src/storage.rs:12:60
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tokio::io::{AsyncReadExt, AsyncSeekExt, AsyncWriteExt, BufReader};
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]  --> src/main.rs:7:36
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fmt::{Display, Formatter, write};
[INFO] [stdout]   |                                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SeekFrom`
[INFO] [stdout]  --> src/main.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::{Error, SeekFrom, Write};
[INFO] [stdout]   |                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::sync::Arc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncSeekExt`
[INFO] [stdout]   --> src/main.rs:14:31
[INFO] [stdout]    |
[INFO] [stdout] 14 | use tokio::io::{AsyncReadExt, AsyncSeekExt, AsyncWriteExt};
[INFO] [stdout]    |                               ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::RwLock`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use tokio::sync::RwLock;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ParseError`
[INFO] [stdout]   --> src/main.rs:16:31
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::command::{Command, ParseError, PropertyValue, ScanTargetBucket};
[INFO] [stdout]    |                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AlreadyInUse`
[INFO] [stdout]   --> src/main.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::storage::{AlreadyInUse, DatabaseConfiguration, Storage};
[INFO] [stdout]    |                      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ndarray::prelude::*`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use ndarray::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:24:18
[INFO] [stdout]    |
[INFO] [stdout] 24 |     return move |mut acc: &mut Array2<f32>, k: &[f32], v: &[f32]| {
[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/main.rs:24:18
[INFO] [stdout]    |
[INFO] [stdout] 24 |     return move |mut acc: &mut Array2<f32>, k: &[f32], v: &[f32]| {
[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: unreachable expression
[INFO] [stdout]    --> src/main.rs:455:5
[INFO] [stdout]     |
[INFO] [stdout] 357 | /     loop {
[INFO] [stdout] 358 | |         let (mut stream, address) = listener.accept().await?;
[INFO] [stdout] 359 | |         let mut content_size = [0u8; 4];
[INFO] [stdout] 360 | |         match stream.read_exact(&mut content_size).await {
[INFO] [stdout] ...   |
[INFO] [stdout] 452 | |         stream.flush().await?;
[INFO] [stdout] 453 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 454 |
[INFO] [stdout] 455 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/main.rs:8:32
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::{Error, SeekFrom, Write};
[INFO] [stdout]   |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/command.rs:407:17
[INFO] [stdout]     |
[INFO] [stdout] 407 |             let mut line_counter: usize = 0;
[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/command.rs:408:17
[INFO] [stdout]     |
[INFO] [stdout] 408 |             let mut char_counter: usize = 0;
[INFO] [stdout]     |                 ----^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `q`
[INFO] [stdout]    --> src/main.rs:107:24
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn scan(&self, q: Vec<f32>, b: Bucket<'_>) -> Vec<f32> {
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_q`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:107:37
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn scan(&self, q: Vec<f32>, b: Bucket<'_>) -> Vec<f32> {
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/main.rs:112:29
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn store(&mut self, k: Vec<f32>, v: Vec<f32>, bucket_name: &'_ str) {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/main.rs:112:42
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn store(&mut self, k: Vec<f32>, v: Vec<f32>, bucket_name: &'_ str) {
[INFO] [stdout]     |                                          ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bucket_name`
[INFO] [stdout]    --> src/main.rs:112:55
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn store(&mut self, k: Vec<f32>, v: Vec<f32>, bucket_name: &'_ str) {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bucket_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `properties`
[INFO] [stdout]    --> src/main.rs:237:53
[INFO] [stdout]     |
[INFO] [stdout] 237 |             Command::CreateBucket { database, name, properties } => {
[INFO] [stdout]     |                                                     ^^^^^^^^^^ help: try ignoring the field: `properties: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `properties`
[INFO] [stdout]    --> src/main.rs:241:58
[INFO] [stdout]     |
[INFO] [stdout] 241 |             Command::Insert { database, bucket, entries, properties } => {
[INFO] [stdout]     |                                                          ^^^^^^^^^^ help: try ignoring the field: `properties: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `properties`
[INFO] [stdout]    --> src/main.rs:266:56
[INFO] [stdout]     |
[INFO] [stdout] 266 |             Command::Scan { database, bucket, queries, properties } => {
[INFO] [stdout]     |                                                        ^^^^^^^^^^ help: try ignoring the field: `properties: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/main.rs:321:32
[INFO] [stdout]     |
[INFO] [stdout] 321 |     async fn insert(&mut self, data: Vec<(Vec<f32>, Vec<f32>)>, bucket: &str, database: &str) {}
[INFO] [stdout]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bucket`
[INFO] [stdout]    --> src/main.rs:321:65
[INFO] [stdout]     |
[INFO] [stdout] 321 |     async fn insert(&mut self, data: Vec<(Vec<f32>, Vec<f32>)>, bucket: &str, database: &str) {}
[INFO] [stdout]     |                                                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_bucket`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `database`
[INFO] [stdout]    --> src/main.rs:321:79
[INFO] [stdout]     |
[INFO] [stdout] 321 |     async fn insert(&mut self, data: Vec<(Vec<f32>, Vec<f32>)>, bucket: &str, database: &str) {}
[INFO] [stdout]     |                                                                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_database`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/main.rs:362:17
[INFO] [stdout]     |
[INFO] [stdout] 362 |             Err(err) => {
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/main.rs:371:17
[INFO] [stdout]     |
[INFO] [stdout] 371 |             Err(err) => {
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/main.rs:390:24
[INFO] [stdout]     |
[INFO] [stdout] 390 |                     Ok(c) => (),
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/main.rs:414:28
[INFO] [stdout]     |
[INFO] [stdout] 414 |                         Ok(c) => (),
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/main.rs:437:16
[INFO] [stdout]     |
[INFO] [stdout] 437 |             Ok(c) => (),
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/main.rs:445:16
[INFO] [stdout]     |
[INFO] [stdout] 445 |             Ok(c) => (),
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `vec_size`, `buckets`, and `data_directory` are never read
[INFO] [stdout]    --> src/main.rs:97:5
[INFO] [stdout]     |
[INFO] [stdout]  95 | pub struct Database {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout]  96 |     /// Size of the individual q, k or v vector in the database.
[INFO] [stdout]  97 |     vec_size: u32,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]  98 |     /// Buckets that exist in this database besides two virtual ones (`hot` and `all`)
[INFO] [stdout]  99 |     buckets: Vec<String>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 100 |     /// Directory containing database files
[INFO] [stdout] 101 |     data_directory: PathBuf,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `IfExists` is never used
[INFO] [stdout]   --> src/command.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub enum IfExists {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `EntityType` is never used
[INFO] [stdout]    --> src/command.rs:470:18
[INFO] [stdout]     |
[INFO] [stdout] 470 |             enum EntityType {
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get` is never used
[INFO] [stdout]   --> src/storage.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl<'p, T: Sized> VecView<'p, T> {
[INFO] [stdout]    | --------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn get(&self) -> &[T] {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Row` is never constructed
[INFO] [stdout]   --> src/storage.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub struct Row {}
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `insert_kv` and `clear` are never used
[INFO] [stdout]    --> src/storage.rs:117:18
[INFO] [stdout]     |
[INFO] [stdout]  69 | impl Bucket {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 117 |     pub async fn insert_kv(&mut self, data: Vec<(Vec<f32>, Vec<f32>)>) -> Result<(), std::io::Error> {
[INFO] [stdout]     |                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 135 |     pub async fn clear(&mut self) -> Result<(), std::io::Error>{
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:455:5
[INFO] [stdout]     |
[INFO] [stdout] 357 | /     loop {
[INFO] [stdout] 358 | |         let (mut stream, address) = listener.accept().await?;
[INFO] [stdout] 359 | |         let mut content_size = [0u8; 4];
[INFO] [stdout] 360 | |         match stream.read_exact(&mut content_size).await {
[INFO] [stdout] ...   |
[INFO] [stdout] 452 | |         stream.flush().await?;
[INFO] [stdout] 453 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 454 |
[INFO] [stdout] 455 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/main.rs:8:32
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::{Error, SeekFrom, Write};
[INFO] [stdout]   |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/command.rs:407:17
[INFO] [stdout]     |
[INFO] [stdout] 407 |             let mut line_counter: usize = 0;
[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/command.rs:408:17
[INFO] [stdout]     |
[INFO] [stdout] 408 |             let mut char_counter: usize = 0;
[INFO] [stdout]     |                 ----^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `q`
[INFO] [stdout]    --> src/main.rs:107:24
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn scan(&self, q: Vec<f32>, b: Bucket<'_>) -> Vec<f32> {
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_q`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:107:37
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn scan(&self, q: Vec<f32>, b: Bucket<'_>) -> Vec<f32> {
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/main.rs:112:29
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn store(&mut self, k: Vec<f32>, v: Vec<f32>, bucket_name: &'_ str) {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/main.rs:112:42
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn store(&mut self, k: Vec<f32>, v: Vec<f32>, bucket_name: &'_ str) {
[INFO] [stdout]     |                                          ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bucket_name`
[INFO] [stdout]    --> src/main.rs:112:55
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn store(&mut self, k: Vec<f32>, v: Vec<f32>, bucket_name: &'_ str) {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bucket_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `properties`
[INFO] [stdout]    --> src/main.rs:237:53
[INFO] [stdout]     |
[INFO] [stdout] 237 |             Command::CreateBucket { database, name, properties } => {
[INFO] [stdout]     |                                                     ^^^^^^^^^^ help: try ignoring the field: `properties: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `properties`
[INFO] [stdout]    --> src/main.rs:241:58
[INFO] [stdout]     |
[INFO] [stdout] 241 |             Command::Insert { database, bucket, entries, properties } => {
[INFO] [stdout]     |                                                          ^^^^^^^^^^ help: try ignoring the field: `properties: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `properties`
[INFO] [stdout]    --> src/main.rs:266:56
[INFO] [stdout]     |
[INFO] [stdout] 266 |             Command::Scan { database, bucket, queries, properties } => {
[INFO] [stdout]     |                                                        ^^^^^^^^^^ help: try ignoring the field: `properties: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/main.rs:321:32
[INFO] [stdout]     |
[INFO] [stdout] 321 |     async fn insert(&mut self, data: Vec<(Vec<f32>, Vec<f32>)>, bucket: &str, database: &str) {}
[INFO] [stdout]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bucket`
[INFO] [stdout]    --> src/main.rs:321:65
[INFO] [stdout]     |
[INFO] [stdout] 321 |     async fn insert(&mut self, data: Vec<(Vec<f32>, Vec<f32>)>, bucket: &str, database: &str) {}
[INFO] [stdout]     |                                                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_bucket`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `database`
[INFO] [stdout]    --> src/main.rs:321:79
[INFO] [stdout]     |
[INFO] [stdout] 321 |     async fn insert(&mut self, data: Vec<(Vec<f32>, Vec<f32>)>, bucket: &str, database: &str) {}
[INFO] [stdout]     |                                                                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_database`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/main.rs:362:17
[INFO] [stdout]     |
[INFO] [stdout] 362 |             Err(err) => {
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/main.rs:371:17
[INFO] [stdout]     |
[INFO] [stdout] 371 |             Err(err) => {
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/main.rs:390:24
[INFO] [stdout]     |
[INFO] [stdout] 390 |                     Ok(c) => (),
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/main.rs:414:28
[INFO] [stdout]     |
[INFO] [stdout] 414 |                         Ok(c) => (),
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/main.rs:437:16
[INFO] [stdout]     |
[INFO] [stdout] 437 |             Ok(c) => (),
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/main.rs:445:16
[INFO] [stdout]     |
[INFO] [stdout] 445 |             Ok(c) => (),
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `vec_size`, `buckets`, and `data_directory` are never read
[INFO] [stdout]    --> src/main.rs:97:5
[INFO] [stdout]     |
[INFO] [stdout]  95 | pub struct Database {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout]  96 |     /// Size of the individual q, k or v vector in the database.
[INFO] [stdout]  97 |     vec_size: u32,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]  98 |     /// Buckets that exist in this database besides two virtual ones (`hot` and `all`)
[INFO] [stdout]  99 |     buckets: Vec<String>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 100 |     /// Directory containing database files
[INFO] [stdout] 101 |     data_directory: PathBuf,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `IfExists` is never used
[INFO] [stdout]   --> src/command.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub enum IfExists {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `EntityType` is never used
[INFO] [stdout]    --> src/command.rs:470:18
[INFO] [stdout]     |
[INFO] [stdout] 470 |             enum EntityType {
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get` is never used
[INFO] [stdout]   --> src/storage.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl<'p, T: Sized> VecView<'p, T> {
[INFO] [stdout]    | --------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn get(&self) -> &[T] {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Row` is never constructed
[INFO] [stdout]   --> src/storage.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub struct Row {}
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `insert_kv` and `clear` are never used
[INFO] [stdout]    --> src/storage.rs:117:18
[INFO] [stdout]     |
[INFO] [stdout]  69 | impl Bucket {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 117 |     pub async fn insert_kv(&mut self, data: Vec<(Vec<f32>, Vec<f32>)>) -> Result<(), std::io::Error> {
[INFO] [stdout]     |                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 135 |     pub async fn clear(&mut self) -> Result<(), std::io::Error>{
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `rand`
[INFO] [stderr]  --> Cargo.toml:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | rand = "0.8.5"
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `rand`
[INFO] [stderr] warning: `qkv-db` (manifest) generated 1 warning
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 58.93s
[INFO] running `Command { std: "docker" "inspect" "6e3b5d356e2d9b5bc67d220d0c607532b3ea4d893be2a45d3d13fdcfb5c32497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e3b5d356e2d9b5bc67d220d0c607532b3ea4d893be2a45d3d13fdcfb5c32497", kill_on_drop: false }`
[INFO] [stdout] 6e3b5d356e2d9b5bc67d220d0c607532b3ea4d893be2a45d3d13fdcfb5c32497
