[INFO] cloning repository https://github.com/g9in128/voca_injector
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/g9in128/voca_injector" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fg9in128%2Fvoca_injector", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fg9in128%2Fvoca_injector'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e2a3046e13ea943c8a348cd0c8d52d945975dee4
[INFO] linting g9in128/voca_injector against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fg9in128%2Fvoca_injector" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/g9in128/voca_injector
[INFO] finished tweaking git repo https://github.com/g9in128/voca_injector
[INFO] tweaked toml for git repo https://github.com/g9in128/voca_injector written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/g9in128/voca_injector on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/g9in128/voca_injector 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" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fce95c941e1cb168802cd3d08d09f1fb9d6402d94eff0f0520b34aa712c28de2
[INFO] running `Command { std: "docker" "start" "-a" "fce95c941e1cb168802cd3d08d09f1fb9d6402d94eff0f0520b34aa712c28de2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fce95c941e1cb168802cd3d08d09f1fb9d6402d94eff0f0520b34aa712c28de2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fce95c941e1cb168802cd3d08d09f1fb9d6402d94eff0f0520b34aa712c28de2", kill_on_drop: false }`
[INFO] [stdout] fce95c941e1cb168802cd3d08d09f1fb9d6402d94eff0f0520b34aa712c28de2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed9d1db19d8596eb590d9627b90ce14b5496de71f51c448c06b2a31de8bd7ed8
[INFO] running `Command { std: "docker" "start" "-a" "ed9d1db19d8596eb590d9627b90ce14b5496de71f51c448c06b2a31de8bd7ed8", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]    Compiling cc v1.2.1
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking hashlink v0.9.1
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
[INFO] [stderr]     Checking rusqlite v0.32.1
[INFO] [stderr]     Checking voca_injector v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `voca_injector::VocaInjector`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use voca_injector::VocaInjector;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/voca_dao.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |         if (!is_db_empty) {
[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] 26 -         if (!is_db_empty) {
[INFO] [stdout] 26 +         if !is_db_empty  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/voca_dao.rs:101:20
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 if (!self.dicts.contains_key(&tag)) {
[INFO] [stdout]     |                    ^                              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 101 -                 if (!self.dicts.contains_key(&tag)) {
[INFO] [stdout] 101 +                 if !self.dicts.contains_key(&tag)  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/voca_dao.rs:130:16
[INFO] [stdout]     |
[INFO] [stdout] 130 |             if (voca.eng == eng) {
[INFO] [stdout]     |                ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 130 -             if (voca.eng == eng) {
[INFO] [stdout] 130 +             if voca.eng == eng  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/voca_dao.rs:140:16
[INFO] [stdout]     |
[INFO] [stdout] 140 |             if (voca.kor == kor) {
[INFO] [stdout]     |                ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 140 -             if (voca.kor == kor) {
[INFO] [stdout] 140 +             if voca.kor == kor  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::HashMap`
[INFO] [stdout]  --> src/voca_injector.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, vec};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `voca_injector::VocaInjector`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use voca_injector::VocaInjector;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/voca_dao.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |         if (!is_db_empty) {
[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] 26 -         if (!is_db_empty) {
[INFO] [stdout] 26 +         if !is_db_empty  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/voca_dao.rs:101:20
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 if (!self.dicts.contains_key(&tag)) {
[INFO] [stdout]     |                    ^                              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 101 -                 if (!self.dicts.contains_key(&tag)) {
[INFO] [stdout] 101 +                 if !self.dicts.contains_key(&tag)  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/voca_dao.rs:130:16
[INFO] [stdout]     |
[INFO] [stdout] 130 |             if (voca.eng == eng) {
[INFO] [stdout]     |                ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 130 -             if (voca.eng == eng) {
[INFO] [stdout] 130 +             if voca.eng == eng  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/voca_dao.rs:140:16
[INFO] [stdout]     |
[INFO] [stdout] 140 |             if (voca.kor == kor) {
[INFO] [stdout]     |                ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 140 -             if (voca.kor == kor) {
[INFO] [stdout] 140 +             if voca.kor == kor  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::HashMap`
[INFO] [stdout]  --> src/voca_injector.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, vec};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IoManager` is never constructed
[INFO] [stdout]  --> src/io_manager.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct IoManager {
[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` and `first_menu` are never used
[INFO] [stdout]   --> src/io_manager.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl IoManager {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 11 |     pub fn new() -> IoManager {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn first_menu(&self) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VocaDao` is never constructed
[INFO] [stdout]  --> src/voca_dao.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct VocaDao {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/voca_dao.rs:14:12
[INFO] [stdout]     |
[INFO] [stdout]  13 | impl VocaDao {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout]  14 |     pub fn connect() -> VocaDao {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  33 |     fn create_table(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  57 |     fn fetch_data_from_db(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 111 |     pub fn insert_voca(&self, voca: &Voca) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |     pub fn insert_tag(&self, voca: &Voca) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |     pub fn get_voca_eng(&self, eng: &str) -> Box<[&Voca]> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 137 |     pub fn get_voca_kor(&self, kor: &str) -> Box<[&Voca]> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 147 |     pub fn get_voca_tag(&self, tag: &str) -> Box<[&Voca]> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 160 |     fn get_voca_num(&self, num: usize) -> Option<&Voca> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VocaInjector` is never constructed
[INFO] [stdout]  --> src/voca_injector.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct VocaInjector {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/voca_injector.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl VocaInjector {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn new() -> VocaInjector {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dict` is never constructed
[INFO] [stdout]   --> src/voca_injector.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Dict {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/voca_injector.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Dict {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 24 |     pub fn new(name: &str) -> Dict {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Voca` is never constructed
[INFO] [stdout]   --> src/voca_injector.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Voca {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/voca_injector.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl Voca {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 40 |     pub fn new(num: usize, eng: String, kor: String) -> Voca {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/voca_dao.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         !a.is_err() && a.unwrap() > 0 && !b.is_err() && b.unwrap() > 0
[INFO] [stdout]    |         ^^^^^^^^^^^ help: try: `a.is_ok()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/voca_dao.rs:54:42
[INFO] [stdout]    |
[INFO] [stdout] 54 |         !a.is_err() && a.unwrap() > 0 && !b.is_err() && b.unwrap() > 0
[INFO] [stdout]    |                                          ^^^^^^^^^^^ help: try: `b.is_ok()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded late initialization
[INFO] [stdout]    --> src/voca_dao.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 let dict: &mut Dict;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^ created here
[INFO] [stdout] ...
[INFO] [stdout] 105 |                 dict = self.dicts.get_mut(&tag).unwrap();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ initialised here
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
[INFO] [stdout]     = note: `#[warn(clippy::needless_late_init)]` on by default
[INFO] [stdout] help: move the declaration `dict` here
[INFO] [stdout]     |
[INFO] [stdout] 100 ~                 
[INFO] [stdout] 101 |                 if (!self.dicts.contains_key(&tag)) {
[INFO] [stdout] ...
[INFO] [stdout] 104 |                 }
[INFO] [stdout] 105 ~                 let dict: &mut Dict = self.dicts.get_mut(&tag).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to want to iterate on a map's values
[INFO] [stdout]    --> src/voca_dao.rs:129:27
[INFO] [stdout]     |
[INFO] [stdout] 129 |         for (_i, voca) in &self.vocas {
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_kv_map
[INFO] [stdout]     = note: `#[warn(clippy::for_kv_map)]` on by default
[INFO] [stdout] help: use the corresponding method
[INFO] [stdout]     |
[INFO] [stdout] 129 -         for (_i, voca) in &self.vocas {
[INFO] [stdout] 129 +         for voca in self.vocas.values() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to want to iterate on a map's values
[INFO] [stdout]    --> src/voca_dao.rs:139:27
[INFO] [stdout]     |
[INFO] [stdout] 139 |         for (_i, voca) in &self.vocas {
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_kv_map
[INFO] [stdout] help: use the corresponding method
[INFO] [stdout]     |
[INFO] [stdout] 139 -         for (_i, voca) in &self.vocas {
[INFO] [stdout] 139 +         for voca in self.vocas.values() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IoManager` is never constructed
[INFO] [stdout]  --> src/io_manager.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct IoManager {
[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` and `first_menu` are never used
[INFO] [stdout]   --> src/io_manager.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl IoManager {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 11 |     pub fn new() -> IoManager {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn first_menu(&self) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VocaDao` is never constructed
[INFO] [stdout]  --> src/voca_dao.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct VocaDao {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/voca_dao.rs:14:12
[INFO] [stdout]     |
[INFO] [stdout]  13 | impl VocaDao {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout]  14 |     pub fn connect() -> VocaDao {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  33 |     fn create_table(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  57 |     fn fetch_data_from_db(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 111 |     pub fn insert_voca(&self, voca: &Voca) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |     pub fn insert_tag(&self, voca: &Voca) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |     pub fn get_voca_eng(&self, eng: &str) -> Box<[&Voca]> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 137 |     pub fn get_voca_kor(&self, kor: &str) -> Box<[&Voca]> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 147 |     pub fn get_voca_tag(&self, tag: &str) -> Box<[&Voca]> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 160 |     fn get_voca_num(&self, num: usize) -> Option<&Voca> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VocaInjector` is never constructed
[INFO] [stdout]  --> src/voca_injector.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct VocaInjector {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/voca_injector.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl VocaInjector {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn new() -> VocaInjector {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dict` is never constructed
[INFO] [stdout]   --> src/voca_injector.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Dict {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/voca_injector.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Dict {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 24 |     pub fn new(name: &str) -> Dict {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Voca` is never constructed
[INFO] [stdout]   --> src/voca_injector.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Voca {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/voca_injector.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl Voca {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 40 |     pub fn new(num: usize, eng: String, kor: String) -> Voca {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/voca_dao.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         !a.is_err() && a.unwrap() > 0 && !b.is_err() && b.unwrap() > 0
[INFO] [stdout]    |         ^^^^^^^^^^^ help: try: `a.is_ok()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/voca_dao.rs:54:42
[INFO] [stdout]    |
[INFO] [stdout] 54 |         !a.is_err() && a.unwrap() > 0 && !b.is_err() && b.unwrap() > 0
[INFO] [stdout]    |                                          ^^^^^^^^^^^ help: try: `b.is_ok()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded late initialization
[INFO] [stdout]    --> src/voca_dao.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 let dict: &mut Dict;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^ created here
[INFO] [stdout] ...
[INFO] [stdout] 105 |                 dict = self.dicts.get_mut(&tag).unwrap();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ initialised here
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
[INFO] [stdout]     = note: `#[warn(clippy::needless_late_init)]` on by default
[INFO] [stdout] help: move the declaration `dict` here
[INFO] [stdout]     |
[INFO] [stdout] 100 ~                 
[INFO] [stdout] 101 |                 if (!self.dicts.contains_key(&tag)) {
[INFO] [stdout] ...
[INFO] [stdout] 104 |                 }
[INFO] [stdout] 105 ~                 let dict: &mut Dict = self.dicts.get_mut(&tag).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to want to iterate on a map's values
[INFO] [stdout]    --> src/voca_dao.rs:129:27
[INFO] [stdout]     |
[INFO] [stdout] 129 |         for (_i, voca) in &self.vocas {
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_kv_map
[INFO] [stdout]     = note: `#[warn(clippy::for_kv_map)]` on by default
[INFO] [stdout] help: use the corresponding method
[INFO] [stdout]     |
[INFO] [stdout] 129 -         for (_i, voca) in &self.vocas {
[INFO] [stdout] 129 +         for voca in self.vocas.values() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to want to iterate on a map's values
[INFO] [stdout]    --> src/voca_dao.rs:139:27
[INFO] [stdout]     |
[INFO] [stdout] 139 |         for (_i, voca) in &self.vocas {
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_kv_map
[INFO] [stdout] help: use the corresponding method
[INFO] [stdout]     |
[INFO] [stdout] 139 -         for (_i, voca) in &self.vocas {
[INFO] [stdout] 139 +         for voca in self.vocas.values() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.04s
[INFO] running `Command { std: "docker" "inspect" "ed9d1db19d8596eb590d9627b90ce14b5496de71f51c448c06b2a31de8bd7ed8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed9d1db19d8596eb590d9627b90ce14b5496de71f51c448c06b2a31de8bd7ed8", kill_on_drop: false }`
[INFO] [stdout] ed9d1db19d8596eb590d9627b90ce14b5496de71f51c448c06b2a31de8bd7ed8