[INFO] cloning repository https://github.com/chenwanqq/kvs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chenwanqq/kvs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenwanqq%2Fkvs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenwanqq%2Fkvs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b4a9dae9f95adf90ea27e1b513b6a976a33c95fa
[INFO] checking chenwanqq/kvs against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenwanqq%2Fkvs" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/chenwanqq/kvs
[INFO] finished tweaking git repo https://github.com/chenwanqq/kvs
[INFO] tweaked toml for git repo https://github.com/chenwanqq/kvs written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chenwanqq/kvs on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/chenwanqq/kvs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.145
[INFO] [stderr]   Downloaded csv-core v0.1.10
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0690f55e53816f82e90bb937ec403916b46bc439c4f75e290f92aeb05492475
[INFO] running `Command { std: "docker" "start" "-a" "c0690f55e53816f82e90bb937ec403916b46bc439c4f75e290f92aeb05492475", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0690f55e53816f82e90bb937ec403916b46bc439c4f75e290f92aeb05492475", kill_on_drop: false }`
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[INFO] [stdout] 7df3c1bbf1ef290cab9ad8efc3cfe8712fce98ed29443d1a472ec3c688c45a87
[INFO] running `Command { std: "docker" "start" "-a" "7df3c1bbf1ef290cab9ad8efc3cfe8712fce98ed29443d1a472ec3c688c45a87", kill_on_drop: false }`
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[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking predicates-core v1.0.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
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[INFO] [stderr]     Checking termtree v0.2.4
[INFO] [stderr]     Checking os_str_bytes v6.3.0
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[INFO] [stderr]     Checking clap v4.0.13
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv v1.1.6
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[INFO] [stderr]     Checking kvs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::Error`
[INFO] [stdout]  --> src/store/bitCask.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt::Error;
[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::hint`
[INFO] [stdout]  --> src/store/bitCask.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::hint;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Error`
[INFO] [stdout]  --> src/store/bitCask.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt::Error;
[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::hint`
[INFO] [stdout]  --> src/store/bitCask.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::hint;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]  --> src/store/bitCask.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Data {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `file_id` and `value_pos` are never read
[INFO] [stdout]   --> src/store/bitCask.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct ValueIndex{
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 26 |     file_id: usize,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 27 |     value_pos: usize
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `index`, `readers`, and `writer` are never read
[INFO] [stdout]   --> src/store/bitCask.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct BitCask {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 31 |     index: HashMap<String,ValueIndex>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 32 |     readers: HashMap<usize,BufReader<File>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 33 |     writer: BufWriter<File>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `kvStore` should have a snake case name
[INFO] [stdout]  --> src/store/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod kvStore;
[INFO] [stdout]   |         ^^^^^^^ help: convert the identifier to snake case: `kv_store`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `bitCask` should have a snake case name
[INFO] [stdout]  --> src/store/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod bitCask;
[INFO] [stdout]   |         ^^^^^^^ help: convert the identifier to snake case: `bit_cask`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `workDir` should have a snake case name
[INFO] [stdout]   --> src/store/bitCask.rs:38:25
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn get_hint_ids(workDir: &str) -> std::io::Result<Vec<usize>>{
[INFO] [stdout]    |                         ^^^^^^^ help: convert the identifier to snake case: `work_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Hint` should have a snake case name
[INFO] [stdout]   --> src/store/bitCask.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let Hint:Vec<Hint> = rdr.deserialize().map(|x|{x.unwrap()}).collect();
[INFO] [stdout]    |             ^^^^ help: convert the identifier to snake case: `hint`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]  --> src/store/bitCask.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Data {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `file_id` and `value_pos` are never read
[INFO] [stdout]   --> src/store/bitCask.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct ValueIndex{
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 26 |     file_id: usize,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 27 |     value_pos: usize
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `index`, `readers`, and `writer` are never read
[INFO] [stdout]   --> src/store/bitCask.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct BitCask {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 31 |     index: HashMap<String,ValueIndex>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 32 |     readers: HashMap<usize,BufReader<File>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 33 |     writer: BufWriter<File>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `kvStore` should have a snake case name
[INFO] [stdout]  --> src/store/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod kvStore;
[INFO] [stdout]   |         ^^^^^^^ help: convert the identifier to snake case: `kv_store`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `bitCask` should have a snake case name
[INFO] [stdout]  --> src/store/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod bitCask;
[INFO] [stdout]   |         ^^^^^^^ help: convert the identifier to snake case: `bit_cask`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `workDir` should have a snake case name
[INFO] [stdout]   --> src/store/bitCask.rs:38:25
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn get_hint_ids(workDir: &str) -> std::io::Result<Vec<usize>>{
[INFO] [stdout]    |                         ^^^^^^^ help: convert the identifier to snake case: `work_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Hint` should have a snake case name
[INFO] [stdout]   --> src/store/bitCask.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let Hint:Vec<Hint> = rdr.deserialize().map(|x|{x.unwrap()}).collect();
[INFO] [stdout]    |             ^^^^ help: convert the identifier to snake case: `hint`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::exit`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::process::exit;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Error`
[INFO] [stdout]  --> src/store/bitCask.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hint`
[INFO] [stdout]  --> src/store/bitCask.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::hint;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `kvs::store::bitCask`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use kvs::store::bitCask;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `store::kvStore::KvStore`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use store::kvStore::KvStore;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `csv`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use csv;
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `KvStore` is never constructed
[INFO] [stdout]  --> src/store/kvStore.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct KvStore {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `set`, `get`, and `remove` are never used
[INFO] [stdout]   --> src/store/kvStore.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl KvStore {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout]  9 |     pub fn new() -> KvStore {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub fn set(&mut self, key: String, value: String) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn get(&self, key: String) -> Option<String> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn remove(&mut self, key: String) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]  --> src/store/bitCask.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Data {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `file_id` and `value_pos` are never read
[INFO] [stdout]   --> src/store/bitCask.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct ValueIndex{
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 26 |     file_id: usize,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 27 |     value_pos: usize
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `index`, `readers`, and `writer` are never read
[INFO] [stdout]   --> src/store/bitCask.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct BitCask {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 31 |     index: HashMap<String,ValueIndex>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 32 |     readers: HashMap<usize,BufReader<File>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 33 |     writer: BufWriter<File>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get_hint_ids` is never used
[INFO] [stdout]   --> src/store/bitCask.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl BitCask {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 38 |     pub fn get_hint_ids(workDir: &str) -> std::io::Result<Vec<usize>>{
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `kvStore` should have a snake case name
[INFO] [stdout]  --> src/store/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod kvStore;
[INFO] [stdout]   |         ^^^^^^^ help: convert the identifier to snake case: `kv_store`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `bitCask` should have a snake case name
[INFO] [stdout]  --> src/store/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod bitCask;
[INFO] [stdout]   |         ^^^^^^^ help: convert the identifier to snake case: `bit_cask`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `workDir` should have a snake case name
[INFO] [stdout]   --> src/store/bitCask.rs:38:25
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn get_hint_ids(workDir: &str) -> std::io::Result<Vec<usize>>{
[INFO] [stdout]    |                         ^^^^^^^ help: convert the identifier to snake case: `work_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Hint` should have a snake case name
[INFO] [stdout]   --> src/store/bitCask.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let Hint:Vec<Hint> = rdr.deserialize().map(|x|{x.unwrap()}).collect();
[INFO] [stdout]    |             ^^^^ help: convert the identifier to snake case: `hint`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::exit`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::process::exit;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Error`
[INFO] [stdout]  --> src/store/bitCask.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hint`
[INFO] [stdout]  --> src/store/bitCask.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::hint;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `kvs::store::bitCask`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use kvs::store::bitCask;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `store::kvStore::KvStore`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use store::kvStore::KvStore;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `csv`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use csv;
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `KvStore` is never constructed
[INFO] [stdout]  --> src/store/kvStore.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct KvStore {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `set`, `get`, and `remove` are never used
[INFO] [stdout]   --> src/store/kvStore.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl KvStore {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout]  9 |     pub fn new() -> KvStore {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub fn set(&mut self, key: String, value: String) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn get(&self, key: String) -> Option<String> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn remove(&mut self, key: String) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]  --> src/store/bitCask.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Data {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `file_id` and `value_pos` are never read
[INFO] [stdout]   --> src/store/bitCask.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct ValueIndex{
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 26 |     file_id: usize,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 27 |     value_pos: usize
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `index`, `readers`, and `writer` are never read
[INFO] [stdout]   --> src/store/bitCask.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct BitCask {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 31 |     index: HashMap<String,ValueIndex>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 32 |     readers: HashMap<usize,BufReader<File>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 33 |     writer: BufWriter<File>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get_hint_ids` is never used
[INFO] [stdout]   --> src/store/bitCask.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl BitCask {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 38 |     pub fn get_hint_ids(workDir: &str) -> std::io::Result<Vec<usize>>{
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `kvStore` should have a snake case name
[INFO] [stdout]  --> src/store/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod kvStore;
[INFO] [stdout]   |         ^^^^^^^ help: convert the identifier to snake case: `kv_store`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `bitCask` should have a snake case name
[INFO] [stdout]  --> src/store/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod bitCask;
[INFO] [stdout]   |         ^^^^^^^ help: convert the identifier to snake case: `bit_cask`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `workDir` should have a snake case name
[INFO] [stdout]   --> src/store/bitCask.rs:38:25
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn get_hint_ids(workDir: &str) -> std::io::Result<Vec<usize>>{
[INFO] [stdout]    |                         ^^^^^^^ help: convert the identifier to snake case: `work_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Hint` should have a snake case name
[INFO] [stdout]   --> src/store/bitCask.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let Hint:Vec<Hint> = rdr.deserialize().map(|x|{x.unwrap()}).collect();
[INFO] [stdout]    |             ^^^^ help: convert the identifier to snake case: `hint`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.35s
[INFO] running `Command { std: "docker" "inspect" "7df3c1bbf1ef290cab9ad8efc3cfe8712fce98ed29443d1a472ec3c688c45a87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7df3c1bbf1ef290cab9ad8efc3cfe8712fce98ed29443d1a472ec3c688c45a87", kill_on_drop: false }`
[INFO] [stdout] 7df3c1bbf1ef290cab9ad8efc3cfe8712fce98ed29443d1a472ec3c688c45a87
