[INFO] cloning repository https://github.com/destrex271/LokiKV
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/destrex271/LokiKV" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdestrex271%2FLokiKV", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdestrex271%2FLokiKV'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7bb0775ca068e427d3dec276130994858eedf22e
[INFO] testing destrex271/LokiKV against master#1ef7943ee607160a564655b6596f83670ef95df5 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdestrex271%2FLokiKV" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/destrex271/LokiKV
[INFO] finished tweaking git repo https://github.com/destrex271/LokiKV
[INFO] tweaked toml for git repo https://github.com/destrex271/LokiKV written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/destrex271/LokiKV on toolchain 1ef7943ee607160a564655b6596f83670ef95df5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/destrex271/LokiKV 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" "+1ef7943ee607160a564655b6596f83670ef95df5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83f7de5b1751f16b532a647a1eb413e6118bf0446c9003721021e6099cfbc682
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[INFO] [stderr]    Compiling lokikv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Read` and `error::Error`
[INFO] [stdout]  --> src/cli/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     error::Error,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 3 |     io::{self, BufRead, BufReader, Read, Write},
[INFO] [stdout]   |                                    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/db/loki_kv/data_structures/btree/btree.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::loki_kv::{self, loki_kv::ValueObject};
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::boxed::Box`
[INFO] [stdout]  --> src/db/loki_kv/data_structures/btree/btree.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::boxed::Box;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::HashMap`
[INFO] [stdout]  --> src/db/loki_kv/data_structures/hyperloglog.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::HashMap,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::loki_kv::loki_kv::ValueObject`
[INFO] [stdout]  --> src/db/loki_kv/data_structures/hyperloglog.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::loki_kv::loki_kv::ValueObject;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `f32`
[INFO] [stdout]  --> src/db/loki_kv/loki_kv.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::{f32, panic};
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Any` and `TypeId`
[INFO] [stdout]  --> src/db/loki_kv/loki_kv.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::any::{Any, TypeId};
[INFO] [stdout]   |                ^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/db/loki_kv/loki_kv.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{self, BTreeMap, HashMap};
[INFO] [stdout]   |                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env::VarError`
[INFO] [stdout]  --> src/db/loki_kv/loki_kv.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::env::VarError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr::null`
[INFO] [stdout]  --> src/db/loki_kv/loki_kv.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ptr::null;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mem`
[INFO] [stdout]  --> src/db/loki_kv/loki_kv.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::{env, mem};
[INFO] [stdout]   |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `clap::builder::StringValueParser`
[INFO] [stdout]   --> src/db/loki_kv/loki_kv.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use clap::builder::StringValueParser;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `paris::Logger`
[INFO] [stdout]   --> src/db/loki_kv/loki_kv.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use paris::Logger;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::RwLock`
[INFO] [stdout]  --> src/db/loki_kv/persist.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use tokio::sync::RwLock;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LokiKV`
[INFO] [stdout]  --> src/db/loki_kv/persist.rs:5:74
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Collection, CollectionBTree, CollectionBTreeCustom, CollectionProps, LokiKV, ValueObject,
[INFO] [stdout]   |                                                                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]   --> src/db/loki_kv/persist.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::sync::Arc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::SystemTime`
[INFO] [stdout]  --> src/db/parser/executor.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::SystemTime;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error_string`, `info`, `success_string`, `success`, `warning_string`, and `warning`
[INFO] [stdout]   --> src/db/parser/executor.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     info,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     error_string,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 17 |     warning_string,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 18 |     success_string,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 19 |     warning,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 20 |     success,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/db/parser/parser.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LOAD_BCUST` should have an upper camel case name
[INFO] [stdout]   --> src/db/parser/parser.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     LOAD_BCUST,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LoadBcust`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LOAD_BDEF` should have an upper camel case name
[INFO] [stdout]   --> src/db/parser/parser.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     LOAD_BDEF,
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `LoadBdef`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LOAD_HMAP` should have an upper camel case name
[INFO] [stdout]   --> src/db/parser/parser.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     LOAD_HMAP,
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `LoadHmap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ValueObject`
[INFO] [stdout]  --> src/db/server_multithread/server.rs:1:39
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::loki_kv::loki_kv::{LokiKV, ValueObject};
[INFO] [stdout]   |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Instant`
[INFO] [stdout]  --> src/db/server_multithread/server.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DerefMut` and `Deref`
[INFO] [stdout]  --> src/db/server_multithread/server.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 |     ops::{Deref, DerefMut},
[INFO] [stdout]   |           ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/db/server_multithread/server.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 |     io::{self, AsyncReadExt, AsyncWriteExt},
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/cli/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut stream = match TcpStream::connect(format!("{}:{}", args.host, args.port)) {
[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: irrefutable `if let` pattern
[INFO] [stdout]   --> src/db/server_multithread/server.rs:58:16
[INFO] [stdout]    |
[INFO] [stdout] 58 |             if let val = response {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncReadExt`
[INFO] [stdout]   --> src/db/server_multithread/server.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     io::{self, AsyncReadExt, AsyncWriteExt},
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stat`
[INFO] [stdout]   --> src/db/loki_kv/loki_kv.rs:61:18
[INFO] [stdout]    |
[INFO] [stdout] 61 |             Some(stat) => {
[INFO] [stdout]    |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_stat`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stat`
[INFO] [stdout]    --> src/db/loki_kv/loki_kv.rs:252:18
[INFO] [stdout]     |
[INFO] [stdout] 252 |             Some(stat) => {
[INFO] [stdout]     |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_stat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/db/loki_kv/loki_kv.rs:362:13
[INFO] [stdout]     |
[INFO] [stdout] 362 |         let mut collections_bmap: HashMap<String, CollectionBTree> = HashMap::new();
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/db/loki_kv/loki_kv.rs:363:13
[INFO] [stdout]     |
[INFO] [stdout] 363 |         let mut collections_bmap_cust: HashMap<String, CollectionBTreeCustom> = HashMap::new();
[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/db/parser/executor.rs:496:21
[INFO] [stdout]     |
[INFO] [stdout] 496 |                 let mut ins = db.write().unwrap();
[INFO] [stdout]     |                     ----^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kv`
[INFO] [stdout]    --> src/db/parser/executor.rs:498:26
[INFO] [stdout]     |
[INFO] [stdout] 498 |                     Some(kv) => {
[INFO] [stdout]     |                          ^^ help: if this is intentional, prefix it with an underscore: `_kv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_vec`
[INFO] [stdout]    --> src/db/parser/executor.rs:500:58
[INFO] [stdout]     |
[INFO] [stdout] 500 | ...                   if let ValueObject::ListData(new_vec) = cur_list.clone() {
[INFO] [stdout]     |                                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `BTreeNode` is more private than the item `BTree::get_node`
[INFO] [stdout]   --> src/db/loki_kv/data_structures/btree/btree.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn get_node(&self, idx: usize) -> BTreeNode {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `BTree::get_node` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `BTreeNode` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/db/loki_kv/data_structures/btree/btree.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout]  7 | struct BTreeNode {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `BTreeNode` is more private than the item `BTree::get_node_ref`
[INFO] [stdout]   --> src/db/loki_kv/data_structures/btree/btree.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn get_node_ref(&self, idx: usize) -> &BTreeNode {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `BTree::get_node_ref` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `BTreeNode` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/db/loki_kv/data_structures/btree/btree.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout]  7 | struct BTreeNode {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `BTreeNode` is more private than the item `BTree::add_node`
[INFO] [stdout]   --> src/db/loki_kv/data_structures/btree/btree.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn add_node(&mut self, node: BTreeNode) -> Option<usize> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `BTree::add_node` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `BTreeNode` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/db/loki_kv/data_structures/btree/btree.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout]  7 | struct BTreeNode {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `BTreeNode` is more private than the item `BTree::replace_node`
[INFO] [stdout]   --> src/db/loki_kv/data_structures/btree/btree.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn replace_node(&mut self, node: BTreeNode, idx: usize) {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `BTree::replace_node` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `BTreeNode` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/db/loki_kv/data_structures/btree/btree.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout]  7 | struct BTreeNode {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `vals` is never read
[INFO] [stdout]   --> src/db/loki_kv/data_structures/btree/btree.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct BTree {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 31 |     root_index: usize,
[INFO] [stdout] 32 |     vals: Vec<ValueObject>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BTree` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `display_streams` is never used
[INFO] [stdout]   --> src/db/loki_kv/data_structures/hyperloglog.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl HLL {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 89 |     pub fn display_streams(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `key_exists` is never used
[INFO] [stdout]   --> src/db/loki_kv/loki_kv.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub trait CollectionProps {
[INFO] [stdout]    |           --------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn key_exists(&self, key: &str) -> bool;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `option_val` is never read
[INFO] [stdout]    --> src/db/loki_kv/loki_kv.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 140 | pub struct CollectionBTreeCustom {
[INFO] [stdout]     |            --------------------- field in this struct
[INFO] [stdout] 141 |     store: BTree,
[INFO] [stdout] 142 |     option_val: Option<ValueObject>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CollectionBTreeCustom` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FILE_EXTENSION` is never used
[INFO] [stdout]   --> src/db/loki_kv/persist.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const FILE_EXTENSION: &str = ".lktbl";
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Append` is never constructed
[INFO] [stdout]   --> src/db/parser/executor.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub enum OpMode {
[INFO] [stdout]    |          ------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 29 |     Append,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `QLHLL` is never constructed
[INFO] [stdout]   --> src/db/parser/parser.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub enum QLValues {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 47 |     QLHLL(HLL),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `QLValues` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_right_child_mut` is never used
[INFO] [stdout]   --> src/db/parser/parser.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | impl AST {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 92 |     pub fn get_right_child_mut(&mut self) -> Option<&mut Box<AST>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `host`, `port`, and `thread_count` are never read
[INFO] [stdout]   --> src/db/server_multithread/server.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct LokiServer {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 21 |     tcp_listener: TcpListener,
[INFO] [stdout] 22 |     host: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 23 |     port: u16,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 24 |     thread_count: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `start_checkpointing` is never used
[INFO] [stdout]    --> src/db/server_multithread/server.rs:132:18
[INFO] [stdout]     |
[INFO] [stdout]  69 | impl LokiServer {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 132 |     pub async fn start_checkpointing(&self) {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `success` is never used
[INFO] [stdout]   --> src/db/utils.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn success(msg: &str){
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `warning_string` is never used
[INFO] [stdout]   --> src/db/utils.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn warning_string(msg: String){
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `success_string` is never used
[INFO] [stdout]   --> src/db/utils.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn success_string(msg: String){
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/db/loki_kv/loki_kv.rs:191:31
[INFO] [stdout]     |
[INFO] [stdout] 191 |         let val = self.get(key.clone()).unwrap();
[INFO] [stdout]     |                               ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/db/loki_kv/loki_kv.rs:209:31
[INFO] [stdout]     |
[INFO] [stdout] 209 |         let val = self.get(key.clone()).unwrap();
[INFO] [stdout]     |                               ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/db/loki_kv/persist.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         file.write_all(&data);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let _ = file.write_all(&data);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/db/parser/executor.rs:420:25
[INFO] [stdout]     |
[INFO] [stdout] 420 |                         ins.incr(&local_key);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 420 |                         let _ = ins.incr(&local_key);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/db/parser/executor.rs:437:25
[INFO] [stdout]     |
[INFO] [stdout] 437 |                         ins.decr(&local_key);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 437 |                         let _ = ins.decr(&local_key);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.33s
[INFO] running `Command { std: "docker" "inspect" "35ea2535daf51f0258983ebb8cecb213843412ca140b07b3af0c6f567ec1c28e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35ea2535daf51f0258983ebb8cecb213843412ca140b07b3af0c6f567ec1c28e", kill_on_drop: false }`
[INFO] [stdout] 35ea2535daf51f0258983ebb8cecb213843412ca140b07b3af0c6f567ec1c28e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2e68468e1c026a8b3d5631a7b61ebbb03246984446fd952ffa08f0e51b5ef7d
[INFO] running `Command { std: "docker" "start" "-a" "c2e68468e1c026a8b3d5631a7b61ebbb03246984446fd952ffa08f0e51b5ef7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling lokikv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Read` and `error::Error`
[INFO] [stdout]  --> src/cli/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     error::Error,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 3 |     io::{self, BufRead, BufReader, Read, Write},
[INFO] [stdout]   |                                    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/db/loki_kv/data_structures/btree/btree.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::loki_kv::{self, loki_kv::ValueObject};
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::boxed::Box`
[INFO] [stdout]  --> src/db/loki_kv/data_structures/btree/btree.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::boxed::Box;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::HashMap`
[INFO] [stdout]  --> src/db/loki_kv/data_structures/hyperloglog.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::HashMap,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::loki_kv::loki_kv::ValueObject`
[INFO] [stdout]  --> src/db/loki_kv/data_structures/hyperloglog.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::loki_kv::loki_kv::ValueObject;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `f32`
[INFO] [stdout]  --> src/db/loki_kv/loki_kv.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::{f32, panic};
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Any` and `TypeId`
[INFO] [stdout]  --> src/db/loki_kv/loki_kv.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::any::{Any, TypeId};
[INFO] [stdout]   |                ^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/db/loki_kv/loki_kv.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{self, BTreeMap, HashMap};
[INFO] [stdout]   |                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env::VarError`
[INFO] [stdout]  --> src/db/loki_kv/loki_kv.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::env::VarError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr::null`
[INFO] [stdout]  --> src/db/loki_kv/loki_kv.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ptr::null;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mem`
[INFO] [stdout]  --> src/db/loki_kv/loki_kv.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::{env, mem};
[INFO] [stdout]   |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `clap::builder::StringValueParser`
[INFO] [stdout]   --> src/db/loki_kv/loki_kv.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use clap::builder::StringValueParser;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `paris::Logger`
[INFO] [stdout]   --> src/db/loki_kv/loki_kv.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use paris::Logger;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::RwLock`
[INFO] [stdout]  --> src/db/loki_kv/persist.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use tokio::sync::RwLock;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LokiKV`
[INFO] [stdout]  --> src/db/loki_kv/persist.rs:5:74
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Collection, CollectionBTree, CollectionBTreeCustom, CollectionProps, LokiKV, ValueObject,
[INFO] [stdout]   |                                                                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]   --> src/db/loki_kv/persist.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::sync::Arc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/db/loki_kv/persist.rs:148:20
[INFO] [stdout]     |
[INFO] [stdout] 148 |         for val in (1..1000000) {
[INFO] [stdout]     |                    ^          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 148 -         for val in (1..1000000) {
[INFO] [stdout] 148 +         for val in 1..1000000  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::SystemTime`
[INFO] [stdout]  --> src/db/parser/executor.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::SystemTime;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error_string`, `info`, `success_string`, `success`, `warning_string`, and `warning`
[INFO] [stdout]   --> src/db/parser/executor.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     info,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     error_string,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 17 |     warning_string,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 18 |     success_string,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 19 |     warning,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 20 |     success,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/db/parser/parser.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LOAD_BCUST` should have an upper camel case name
[INFO] [stdout]   --> src/db/parser/parser.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     LOAD_BCUST,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LoadBcust`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LOAD_BDEF` should have an upper camel case name
[INFO] [stdout]   --> src/db/parser/parser.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     LOAD_BDEF,
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `LoadBdef`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LOAD_HMAP` should have an upper camel case name
[INFO] [stdout]   --> src/db/parser/parser.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     LOAD_HMAP,
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `LoadHmap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ValueObject`
[INFO] [stdout]  --> src/db/server_multithread/server.rs:1:39
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::loki_kv::loki_kv::{LokiKV, ValueObject};
[INFO] [stdout]   |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Instant`
[INFO] [stdout]  --> src/db/server_multithread/server.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DerefMut` and `Deref`
[INFO] [stdout]  --> src/db/server_multithread/server.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 |     ops::{Deref, DerefMut},
[INFO] [stdout]   |           ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/db/server_multithread/server.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 |     io::{self, AsyncReadExt, AsyncWriteExt},
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/cli/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut stream = match TcpStream::connect(format!("{}:{}", args.host, args.port)) {
[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: irrefutable `if let` pattern
[INFO] [stdout]   --> src/db/server_multithread/server.rs:58:16
[INFO] [stdout]    |
[INFO] [stdout] 58 |             if let val = response {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncReadExt`
[INFO] [stdout]   --> src/db/server_multithread/server.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     io::{self, AsyncReadExt, AsyncWriteExt},
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/db/loki_kv/data_structures/hyperloglog.rs:106:13
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let mut large_test: Vec<String> = (0..count)
[INFO] [stdout]     |             ----^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stat`
[INFO] [stdout]   --> src/db/loki_kv/loki_kv.rs:61:18
[INFO] [stdout]    |
[INFO] [stdout] 61 |             Some(stat) => {
[INFO] [stdout]    |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_stat`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stat`
[INFO] [stdout]    --> src/db/loki_kv/loki_kv.rs:252:18
[INFO] [stdout]     |
[INFO] [stdout] 252 |             Some(stat) => {
[INFO] [stdout]     |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_stat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/db/loki_kv/loki_kv.rs:362:13
[INFO] [stdout]     |
[INFO] [stdout] 362 |         let mut collections_bmap: HashMap<String, CollectionBTree> = HashMap::new();
[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/db/loki_kv/loki_kv.rs:363:13
[INFO] [stdout]     |
[INFO] [stdout] 363 |         let mut collections_bmap_cust: HashMap<String, CollectionBTreeCustom> = HashMap::new();
[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/db/parser/executor.rs:496:21
[INFO] [stdout]     |
[INFO] [stdout] 496 |                 let mut ins = db.write().unwrap();
[INFO] [stdout]     |                     ----^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kv`
[INFO] [stdout]    --> src/db/parser/executor.rs:498:26
[INFO] [stdout]     |
[INFO] [stdout] 498 |                     Some(kv) => {
[INFO] [stdout]     |                          ^^ help: if this is intentional, prefix it with an underscore: `_kv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_vec`
[INFO] [stdout]    --> src/db/parser/executor.rs:500:58
[INFO] [stdout]     |
[INFO] [stdout] 500 | ...                   if let ValueObject::ListData(new_vec) = cur_list.clone() {
[INFO] [stdout]     |                                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `BTreeNode` is more private than the item `data_structures::btree::btree::BTree::get_node`
[INFO] [stdout]   --> src/db/loki_kv/data_structures/btree/btree.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn get_node(&self, idx: usize) -> BTreeNode {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `data_structures::btree::btree::BTree::get_node` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `BTreeNode` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/db/loki_kv/data_structures/btree/btree.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout]  7 | struct BTreeNode {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `BTreeNode` is more private than the item `data_structures::btree::btree::BTree::get_node_ref`
[INFO] [stdout]   --> src/db/loki_kv/data_structures/btree/btree.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn get_node_ref(&self, idx: usize) -> &BTreeNode {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `data_structures::btree::btree::BTree::get_node_ref` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `BTreeNode` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/db/loki_kv/data_structures/btree/btree.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout]  7 | struct BTreeNode {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `BTreeNode` is more private than the item `data_structures::btree::btree::BTree::add_node`
[INFO] [stdout]   --> src/db/loki_kv/data_structures/btree/btree.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn add_node(&mut self, node: BTreeNode) -> Option<usize> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `data_structures::btree::btree::BTree::add_node` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `BTreeNode` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/db/loki_kv/data_structures/btree/btree.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout]  7 | struct BTreeNode {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `BTreeNode` is more private than the item `data_structures::btree::btree::BTree::replace_node`
[INFO] [stdout]   --> src/db/loki_kv/data_structures/btree/btree.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn replace_node(&mut self, node: BTreeNode, idx: usize) {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `data_structures::btree::btree::BTree::replace_node` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `BTreeNode` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/db/loki_kv/data_structures/btree/btree.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout]  7 | struct BTreeNode {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `vals` is never read
[INFO] [stdout]   --> src/db/loki_kv/data_structures/btree/btree.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct BTree {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 31 |     root_index: usize,
[INFO] [stdout] 32 |     vals: Vec<ValueObject>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BTree` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `display_streams` is never used
[INFO] [stdout]   --> src/db/loki_kv/data_structures/hyperloglog.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl HLL {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 89 |     pub fn display_streams(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `key_exists` is never used
[INFO] [stdout]   --> src/db/loki_kv/loki_kv.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub trait CollectionProps {
[INFO] [stdout]    |           --------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn key_exists(&self, key: &str) -> bool;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `option_val` is never read
[INFO] [stdout]    --> src/db/loki_kv/loki_kv.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 140 | pub struct CollectionBTreeCustom {
[INFO] [stdout]     |            --------------------- field in this struct
[INFO] [stdout] 141 |     store: BTree,
[INFO] [stdout] 142 |     option_val: Option<ValueObject>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CollectionBTreeCustom` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FILE_EXTENSION` is never used
[INFO] [stdout]   --> src/db/loki_kv/persist.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const FILE_EXTENSION: &str = ".lktbl";
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Append` is never constructed
[INFO] [stdout]   --> src/db/parser/executor.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub enum OpMode {
[INFO] [stdout]    |          ------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 29 |     Append,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `QLHLL` is never constructed
[INFO] [stdout]   --> src/db/parser/parser.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub enum QLValues {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 47 |     QLHLL(HLL),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `QLValues` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_right_child_mut` is never used
[INFO] [stdout]   --> src/db/parser/parser.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | impl AST {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 92 |     pub fn get_right_child_mut(&mut self) -> Option<&mut Box<AST>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `host`, `port`, and `thread_count` are never read
[INFO] [stdout]   --> src/db/server_multithread/server.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct LokiServer {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 21 |     tcp_listener: TcpListener,
[INFO] [stdout] 22 |     host: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 23 |     port: u16,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 24 |     thread_count: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `start_checkpointing` is never used
[INFO] [stdout]    --> src/db/server_multithread/server.rs:132:18
[INFO] [stdout]     |
[INFO] [stdout]  69 | impl LokiServer {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 132 |     pub async fn start_checkpointing(&self) {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `success` is never used
[INFO] [stdout]   --> src/db/utils.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn success(msg: &str){
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `warning_string` is never used
[INFO] [stdout]   --> src/db/utils.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn warning_string(msg: String){
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `success_string` is never used
[INFO] [stdout]   --> src/db/utils.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn success_string(msg: String){
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/db/loki_kv/loki_kv.rs:191:31
[INFO] [stdout]     |
[INFO] [stdout] 191 |         let val = self.get(key.clone()).unwrap();
[INFO] [stdout]     |                               ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/db/loki_kv/loki_kv.rs:209:31
[INFO] [stdout]     |
[INFO] [stdout] 209 |         let val = self.get(key.clone()).unwrap();
[INFO] [stdout]     |                               ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/db/loki_kv/persist.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         file.write_all(&data);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let _ = file.write_all(&data);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/db/parser/executor.rs:420:25
[INFO] [stdout]     |
[INFO] [stdout] 420 |                         ins.incr(&local_key);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 420 |                         let _ = ins.incr(&local_key);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/db/parser/executor.rs:437:25
[INFO] [stdout]     |
[INFO] [stdout] 437 |                         ins.decr(&local_key);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 437 |                         let _ = ins.decr(&local_key);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "c2e68468e1c026a8b3d5631a7b61ebbb03246984446fd952ffa08f0e51b5ef7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2e68468e1c026a8b3d5631a7b61ebbb03246984446fd952ffa08f0e51b5ef7d", kill_on_drop: false }`
[INFO] [stdout] c2e68468e1c026a8b3d5631a7b61ebbb03246984446fd952ffa08f0e51b5ef7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cfabd910310b1135ec766b3cab05450e53923ca10d0193a3dc29ce955c3efc11
[INFO] running `Command { std: "docker" "start" "-a" "cfabd910310b1135ec766b3cab05450e53923ca10d0193a3dc29ce955c3efc11", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/db/loki_kv/data_structures/btree/btree.rs:1:22
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::loki_kv::{self, loki_kv::ValueObject};
[INFO] [stderr]   |                      ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::boxed::Box`
[INFO] [stderr]  --> src/db/loki_kv/data_structures/btree/btree.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::boxed::Box;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `collections::HashMap`
[INFO] [stderr]  --> src/db/loki_kv/data_structures/hyperloglog.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     collections::HashMap,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::loki_kv::loki_kv::ValueObject`
[INFO] [stderr]  --> src/db/loki_kv/data_structures/hyperloglog.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::loki_kv::loki_kv::ValueObject;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `f32`
[INFO] [stderr]  --> src/db/loki_kv/loki_kv.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | use core::{f32, panic};
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Any` and `TypeId`
[INFO] [stderr]  --> src/db/loki_kv/loki_kv.rs:2:16
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::any::{Any, TypeId};
[INFO] [stderr]   |                ^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/db/loki_kv/loki_kv.rs:3:24
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::collections::{self, BTreeMap, HashMap};
[INFO] [stderr]   |                        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env::VarError`
[INFO] [stderr]  --> src/db/loki_kv/loki_kv.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::env::VarError;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ptr::null`
[INFO] [stderr]  --> src/db/loki_kv/loki_kv.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::ptr::null;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mem`
[INFO] [stderr]  --> src/db/loki_kv/loki_kv.rs:8:16
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::{env, mem};
[INFO] [stderr]   |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `clap::builder::StringValueParser`
[INFO] [stderr]   --> src/db/loki_kv/loki_kv.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use clap::builder::StringValueParser;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `paris::Logger`
[INFO] [stderr]   --> src/db/loki_kv/loki_kv.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use paris::Logger;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::sync::RwLock`
[INFO] [stderr]  --> src/db/loki_kv/persist.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use tokio::sync::RwLock;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `LokiKV`
[INFO] [stderr]  --> src/db/loki_kv/persist.rs:5:74
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Collection, CollectionBTree, CollectionBTreeCustom, CollectionProps, LokiKV, ValueObject,
[INFO] [stderr]   |                                                                          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]   --> src/db/loki_kv/persist.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::sync::Arc;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]    --> src/db/loki_kv/persist.rs:148:20
[INFO] [stderr]     |
[INFO] [stderr] 148 |         for val in (1..1000000) {
[INFO] [stderr]     |                    ^          ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 148 -         for val in (1..1000000) {
[INFO] [stderr] 148 +         for val in 1..1000000  {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::SystemTime`
[INFO] [stderr]  --> src/db/parser/executor.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::time::SystemTime;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `error_string`, `info`, `success_string`, `success`, `warning_string`, and `warning`
[INFO] [stderr]   --> src/db/parser/executor.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     info,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 16 |     error_string,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 17 |     warning_string,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 18 |     success_string,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 19 |     warning,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 20 |     success,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Deref`
[INFO] [stderr]  --> src/db/parser/parser.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ops::Deref;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `LOAD_BCUST` should have an upper camel case name
[INFO] [stderr]   --> src/db/parser/parser.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     LOAD_BCUST,
[INFO] [stderr]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LoadBcust`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `LOAD_BDEF` should have an upper camel case name
[INFO] [stderr]   --> src/db/parser/parser.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     LOAD_BDEF,
[INFO] [stderr]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `LoadBdef`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `LOAD_HMAP` should have an upper camel case name
[INFO] [stderr]   --> src/db/parser/parser.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     LOAD_HMAP,
[INFO] [stderr]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `LoadHmap`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ValueObject`
[INFO] [stderr]  --> src/db/server_multithread/server.rs:1:39
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::loki_kv::loki_kv::{LokiKV, ValueObject};
[INFO] [stderr]   |                                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Instant`
[INFO] [stderr]  --> src/db/server_multithread/server.rs:6:27
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::time::{Duration, Instant};
[INFO] [stderr]   |                           ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DerefMut` and `Deref`
[INFO] [stderr]  --> src/db/server_multithread/server.rs:8:11
[INFO] [stderr]   |
[INFO] [stderr] 8 |     ops::{Deref, DerefMut},
[INFO] [stderr]   |           ^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]   --> src/db/server_multithread/server.rs:15:10
[INFO] [stderr]    |
[INFO] [stderr] 15 |     io::{self, AsyncReadExt, AsyncWriteExt},
[INFO] [stderr]    |          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: irrefutable `if let` pattern
[INFO] [stderr]   --> src/db/server_multithread/server.rs:58:16
[INFO] [stderr]    |
[INFO] [stderr] 58 |             if let val = response {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stderr]    = help: consider replacing the `if let` with a `let`
[INFO] [stderr]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `AsyncReadExt`
[INFO] [stderr]   --> src/db/server_multithread/server.rs:15:16
[INFO] [stderr]    |
[INFO] [stderr] 15 |     io::{self, AsyncReadExt, AsyncWriteExt},
[INFO] [stderr]    |                ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/db/loki_kv/data_structures/hyperloglog.rs:106:13
[INFO] [stderr]     |
[INFO] [stderr] 106 |         let mut large_test: Vec<String> = (0..count)
[INFO] [stderr]     |             ----^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stat`
[INFO] [stderr]   --> src/db/loki_kv/loki_kv.rs:61:18
[INFO] [stderr]    |
[INFO] [stderr] 61 |             Some(stat) => {
[INFO] [stderr]    |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_stat`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stat`
[INFO] [stderr]    --> src/db/loki_kv/loki_kv.rs:252:18
[INFO] [stderr]     |
[INFO] [stderr] 252 |             Some(stat) => {
[INFO] [stderr]     |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_stat`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/db/loki_kv/loki_kv.rs:362:13
[INFO] [stderr]     |
[INFO] [stderr] 362 |         let mut collections_bmap: HashMap<String, CollectionBTree> = HashMap::new();
[INFO] [stderr]     |             ----^^^^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/db/loki_kv/loki_kv.rs:363:13
[INFO] [stderr]     |
[INFO] [stderr] 363 |         let mut collections_bmap_cust: HashMap<String, CollectionBTreeCustom> = HashMap::new();
[INFO] [stderr]     |             ----^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/db/parser/executor.rs:496:21
[INFO] [stderr]     |
[INFO] [stderr] 496 |                 let mut ins = db.write().unwrap();
[INFO] [stderr]     |                     ----^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `kv`
[INFO] [stderr]    --> src/db/parser/executor.rs:498:26
[INFO] [stderr]     |
[INFO] [stderr] 498 |                     Some(kv) => {
[INFO] [stderr]     |                          ^^ help: if this is intentional, prefix it with an underscore: `_kv`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `new_vec`
[INFO] [stderr]    --> src/db/parser/executor.rs:500:58
[INFO] [stderr]     |
[INFO] [stderr] 500 | ...                   if let ValueObject::ListData(new_vec) = cur_list.clone() {
[INFO] [stderr]     |                                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_vec`
[INFO] [stderr] 
[INFO] [stderr] warning: type `BTreeNode` is more private than the item `data_structures::btree::btree::BTree::get_node`
[INFO] [stderr]   --> src/db/loki_kv/data_structures/btree/btree.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub fn get_node(&self, idx: usize) -> BTreeNode {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `data_structures::btree::btree::BTree::get_node` is reachable at visibility `pub(crate)`
[INFO] [stderr]    |
[INFO] [stderr] note: but type `BTreeNode` is only usable at visibility `pub(self)`
[INFO] [stderr]   --> src/db/loki_kv/data_structures/btree/btree.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr]  7 | struct BTreeNode {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `BTreeNode` is more private than the item `data_structures::btree::btree::BTree::get_node_ref`
[INFO] [stderr]   --> src/db/loki_kv/data_structures/btree/btree.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub fn get_node_ref(&self, idx: usize) -> &BTreeNode {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `data_structures::btree::btree::BTree::get_node_ref` is reachable at visibility `pub(crate)`
[INFO] [stderr]    |
[INFO] [stderr] note: but type `BTreeNode` is only usable at visibility `pub(self)`
[INFO] [stderr]   --> src/db/loki_kv/data_structures/btree/btree.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr]  7 | struct BTreeNode {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `BTreeNode` is more private than the item `data_structures::btree::btree::BTree::add_node`
[INFO] [stderr]   --> src/db/loki_kv/data_structures/btree/btree.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     pub fn add_node(&mut self, node: BTreeNode) -> Option<usize> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `data_structures::btree::btree::BTree::add_node` is reachable at visibility `pub(crate)`
[INFO] [stderr]    |
[INFO] [stderr] note: but type `BTreeNode` is only usable at visibility `pub(self)`
[INFO] [stderr]   --> src/db/loki_kv/data_structures/btree/btree.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr]  7 | struct BTreeNode {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `BTreeNode` is more private than the item `data_structures::btree::btree::BTree::replace_node`
[INFO] [stderr]   --> src/db/loki_kv/data_structures/btree/btree.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 |     pub fn replace_node(&mut self, node: BTreeNode, idx: usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `data_structures::btree::btree::BTree::replace_node` is reachable at visibility `pub(crate)`
[INFO] [stderr]    |
[INFO] [stderr] note: but type `BTreeNode` is only usable at visibility `pub(self)`
[INFO] [stderr]   --> src/db/loki_kv/data_structures/btree/btree.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr]  7 | struct BTreeNode {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `vals` is never read
[INFO] [stderr]   --> src/db/loki_kv/data_structures/btree/btree.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub struct BTree {
[INFO] [stderr]    |            ----- field in this struct
[INFO] [stderr] 31 |     root_index: usize,
[INFO] [stderr] 32 |     vals: Vec<ValueObject>,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `BTree` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `display_streams` is never used
[INFO] [stderr]   --> src/db/loki_kv/data_structures/hyperloglog.rs:89:12
[INFO] [stderr]    |
[INFO] [stderr] 29 | impl HLL {
[INFO] [stderr]    | -------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 89 |     pub fn display_streams(&self) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `key_exists` is never used
[INFO] [stderr]   --> src/db/loki_kv/loki_kv.rs:38:8
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub trait CollectionProps {
[INFO] [stderr]    |           --------------- method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 38 |     fn key_exists(&self, key: &str) -> bool;
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `option_val` is never read
[INFO] [stderr]    --> src/db/loki_kv/loki_kv.rs:142:5
[INFO] [stderr]     |
[INFO] [stderr] 140 | pub struct CollectionBTreeCustom {
[INFO] [stderr]     |            --------------------- field in this struct
[INFO] [stderr] 141 |     store: BTree,
[INFO] [stderr] 142 |     option_val: Option<ValueObject>,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `CollectionBTreeCustom` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: constant `FILE_EXTENSION` is never used
[INFO] [stderr]   --> src/db/loki_kv/persist.rs:14:7
[INFO] [stderr]    |
[INFO] [stderr] 14 | const FILE_EXTENSION: &str = ".lktbl";
[INFO] [stderr]    |       ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Append` is never constructed
[INFO] [stderr]   --> src/db/parser/executor.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub enum OpMode {
[INFO] [stderr]    |          ------ variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 29 |     Append,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `QLHLL` is never constructed
[INFO] [stderr]   --> src/db/parser/parser.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub enum QLValues {
[INFO] [stderr]    |          -------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 47 |     QLHLL(HLL),
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `QLValues` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `get_right_child_mut` is never used
[INFO] [stderr]   --> src/db/parser/parser.rs:92:12
[INFO] [stderr]    |
[INFO] [stderr] 56 | impl AST {
[INFO] [stderr]    | -------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 92 |     pub fn get_right_child_mut(&mut self) -> Option<&mut Box<AST>> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `host`, `port`, and `thread_count` are never read
[INFO] [stderr]   --> src/db/server_multithread/server.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub struct LokiServer {
[INFO] [stderr]    |            ---------- fields in this struct
[INFO] [stderr] 21 |     tcp_listener: TcpListener,
[INFO] [stderr] 22 |     host: String,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 23 |     port: u16,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 24 |     thread_count: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `start_checkpointing` is never used
[INFO] [stderr]    --> src/db/server_multithread/server.rs:132:18
[INFO] [stderr]     |
[INFO] [stderr]  69 | impl LokiServer {
[INFO] [stderr]     | --------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 132 |     pub async fn start_checkpointing(&self) {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `success` is never used
[INFO] [stderr]   --> src/db/utils.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn success(msg: &str){
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `warning_string` is never used
[INFO] [stderr]   --> src/db/utils.rs:38:8
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn warning_string(msg: String){
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `success_string` is never used
[INFO] [stderr]   --> src/db/utils.rs:44:8
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub fn success_string(msg: String){
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]    --> src/db/loki_kv/loki_kv.rs:191:31
[INFO] [stderr]     |
[INFO] [stderr] 191 |         let val = self.get(key.clone()).unwrap();
[INFO] [stderr]     |                               ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]     |
[INFO] [stderr]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stderr]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]    --> src/db/loki_kv/loki_kv.rs:209:31
[INFO] [stderr]     |
[INFO] [stderr] 209 |         let val = self.get(key.clone()).unwrap();
[INFO] [stderr]     |                               ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]     |
[INFO] [stderr]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/db/loki_kv/persist.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |         file.write_all(&data);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 43 |         let _ = file.write_all(&data);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/db/parser/executor.rs:420:25
[INFO] [stderr]     |
[INFO] [stderr] 420 |                         ins.incr(&local_key);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 420 |                         let _ = ins.incr(&local_key);
[INFO] [stderr]     |                         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/db/parser/executor.rs:437:25
[INFO] [stderr]     |
[INFO] [stderr] 437 |                         ins.decr(&local_key);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 437 |                         let _ = ins.decr(&local_key);
[INFO] [stderr]     |                         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Read` and `error::Error`
[INFO] [stderr]  --> src/cli/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     error::Error,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 3 |     io::{self, BufRead, BufReader, Read, Write},
[INFO] [stderr]   |                                    ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/cli/main.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let mut stream = match TcpStream::connect(format!("{}:{}", args.host, args.port)) {
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `lokikv` (bin "server-db" test) generated 58 warnings (run `cargo fix --bin "server-db" -p lokikv --tests` to apply 33 suggestions)
[INFO] [stderr] warning: `lokikv` (bin "client" test) generated 2 warnings (run `cargo fix --bin "client" -p lokikv --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/cli/main.rs (/opt/rustwide/target/debug/deps/client-1bfc029c3399834e)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/db/main.rs (/opt/rustwide/target/debug/deps/server_db-86a41863ce198863)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test loki_kv::data_structures::btree::btree::tests::try_btree ... ok
[INFO] [stdout] test loki_kv::data_structures::hyperloglog::tests::try_hll_non_unique ... ok
[INFO] [stdout] test loki_kv::data_structures::hyperloglog::tests::try_hll ... ok
[INFO] [stdout] test loki_kv::persist::tests::test_persistor_hmap_collection ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- loki_kv::persist::tests::test_persistor_hmap_collection stdout ----
[INFO] [stdout] got some error, lets ignore it for now...Read-only file system (os error 30)
[INFO] [stdout] [2m20:52:49 PM: [0m[31m✖[0m got some error, lets ignore it for now...
[INFO] [stdout] [2m20:52:49 PM: [0m[36mℹ[0m WRITING hii/testCollection...
[INFO] [stdout] [2m20:52:49 PM: [0m[36mℹ[0m Persisting to page at hii/testCollection/chunk_0.lqlpage
[INFO] [stdout] 
[INFO] [stdout] thread 'loki_kv::persist::tests::test_persistor_hmap_collection' (29) panicked at src/db/loki_kv/persist.rs:39:23:
[INFO] [stdout] failed to create No such file or directory (os error 2)
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55c6fd784cd2 - std::backtrace_rs::backtrace::libunwind::trace::h786de35fecf3582f
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55c6fd784cd2 - std::backtrace_rs::backtrace::trace_unsynchronized::h4a7da1a2a64387f1
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55c6fd784cd2 - std::sys::backtrace::_print_fmt::h6bd7d500070c788c
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x55c6fd784cd2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h6d82c1afff976903
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x55c6fd795eff - core::fmt::rt::Argument::fmt::hc4ce6d643d397690
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x55c6fd795eff - core::fmt::write::hb1e7ca88b6a3936e
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x55c6fd752583 - std::io::default_write_fmt::haffd49d96f1984a8
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x55c6fd752583 - std::io::Write::write_fmt::h027871c57cf57c01
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x55c6fd75e532 - std::sys::backtrace::BacktraceLock::print::ha2430613ee79d059
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x55c6fd76300f - std::panicking::default_hook::{{closure}}::hdbd2db9e5c303cf6
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x55c6fd762ea1 - std::panicking::default_hook::hed93c70cba5fdcf0
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x55c6fd704bae - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd0ee8b569efc6a07
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x55c6fd704bae - test::test_main_with_exit_callback::{{closure}}::hf10864b576ecd15d
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x55c6fd76361f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h3a55ca34534c0d00
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x55c6fd76361f - std::panicking::panic_with_hook::h3862d766c2cec19b
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x55c6fd76347a - std::panicking::panic_handler::{{closure}}::hb95eb402b5e28ee1
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x55c6fd75e669 - std::sys::backtrace::__rust_end_short_backtrace::hf73a26dc1835d85a
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x55c6fd74694d - __rustc[6ed5915ee467787]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x55c6fd79db80 - core::panicking::panic_fmt::h3454303eb8e6f7cd
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55c6fd6d3f5e - server_db::loki_kv::persist::StoragePage::flush_to_disk::hb59e403e6bc8a301
[INFO] [stdout]                                at /opt/rustwide/workdir/src/db/loki_kv/persist.rs:39:23
[INFO] [stdout]   20:     0x55c6fd6d497f - server_db::loki_kv::persist::Persistor::persist::h9259a129f64aa293
[INFO] [stdout]                                at /opt/rustwide/workdir/src/db/loki_kv/persist.rs:133:22
[INFO] [stdout]   21:     0x55c6fd6d4161 - server_db::loki_kv::persist::tests::test_persistor_hmap_collection::hc44cf87d9ca7e6fc
[INFO] [stdout]                                at /opt/rustwide/workdir/src/db/loki_kv/persist.rs:155:22
[INFO] [stdout]   22:     0x55c6fd6d4257 - server_db::loki_kv::persist::tests::test_persistor_hmap_collection::{{closure}}::h813173a9d950e6c0
[INFO] [stdout]                                at /opt/rustwide/workdir/src/db/loki_kv/persist.rs:146:40
[INFO] [stdout]   23:     0x55c6fd6dc9e6 - core::ops::function::FnOnce::call_once::h1c10e74a314c2e5a
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55c6fd70498b - core::ops::function::FnOnce::call_once::ha729ee35d2fab541
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55c6fd70498b - test::__rust_begin_short_backtrace::ha40f4db8207e1111
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x55c6fd718a0d - test::run_test_in_process::{{closure}}::hc1b77cda5d44f0f3
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x55c6fd718a0d - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1dbea1de64785521
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x55c6fd718a0d - std::panicking::catch_unwind::do_call::hd5febe9affd5a1b3
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x55c6fd718a0d - std::panicking::catch_unwind::h51ea89627559b6f4
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x55c6fd718a0d - std::panic::catch_unwind::hb8b8c2367cae3d66
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x55c6fd718a0d - test::run_test_in_process::ha5b55801407ea100
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x55c6fd718a0d - test::run_test::{{closure}}::h0b9d4072b527abf5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x55c6fd6f1f24 - test::run_test::{{closure}}::hb1056b5731205822
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x55c6fd6f1f24 - std::sys::backtrace::__rust_begin_short_backtrace::hb61ff5a34023c7ef
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x55c6fd6f585a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hb0a83c0e8b353cff
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   36:     0x55c6fd6f585a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb4f32cb008535298
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x55c6fd6f585a - std::panicking::catch_unwind::do_call::h16d110e4fc35789a
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x55c6fd6f585a - std::panicking::catch_unwind::hea9118f355699c4b
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x55c6fd6f585a - std::panic::catch_unwind::hf4b3c2a06d3f42f5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x55c6fd6f585a - std::thread::Builder::spawn_unchecked_::{{closure}}::h3f4cb733a52d53d5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   41:     0x55c6fd6f585a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h4052f0967b37caeb
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55c6fd759a6f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7ec433abd3f148b4
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   43:     0x55c6fd759a6f - std::sys::thread::unix::Thread::new::thread_start::he514622d3d7ba65c
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   44:     0x777e5f909aa4 - <unknown>
[INFO] [stdout]   45:     0x777e5f996a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     loki_kv::persist::tests::test_persistor_hmap_collection
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.45s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin server-db`
[INFO] running `Command { std: "docker" "inspect" "cfabd910310b1135ec766b3cab05450e53923ca10d0193a3dc29ce955c3efc11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfabd910310b1135ec766b3cab05450e53923ca10d0193a3dc29ce955c3efc11", kill_on_drop: false }`
[INFO] [stdout] cfabd910310b1135ec766b3cab05450e53923ca10d0193a3dc29ce955c3efc11
