[INFO] cloning repository https://github.com/lurgi/rust-basic [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lurgi/rust-basic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flurgi%2Frust-basic", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flurgi%2Frust-basic'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 533b4cb6b79010c94f3191f5cd3bfcda833b16cf [INFO] checking lurgi/rust-basic/533b4cb6b79010c94f3191f5cd3bfcda833b16cf against master#568b11762723b001bfa693d0f21c5dad01d4e813 for pr-149058 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flurgi%2Frust-basic" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/lurgi/rust-basic [INFO] finished tweaking git repo https://github.com/lurgi/rust-basic [INFO] tweaked toml for git repo https://github.com/lurgi/rust-basic written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/lurgi/rust-basic on toolchain 568b11762723b001bfa693d0f21c5dad01d4e813 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+568b11762723b001bfa693d0f21c5dad01d4e813" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/lurgi/rust-basic 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" "+568b11762723b001bfa693d0f21c5dad01d4e813" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+568b11762723b001bfa693d0f21c5dad01d4e813" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e243faa64128857d56d4edeb8dff198aff52f317bf9ecbd31f71f6b7758bcc5c [INFO] running `Command { std: "docker" "start" "-a" "e243faa64128857d56d4edeb8dff198aff52f317bf9ecbd31f71f6b7758bcc5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e243faa64128857d56d4edeb8dff198aff52f317bf9ecbd31f71f6b7758bcc5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e243faa64128857d56d4edeb8dff198aff52f317bf9ecbd31f71f6b7758bcc5c", kill_on_drop: false }` [INFO] [stdout] e243faa64128857d56d4edeb8dff198aff52f317bf9ecbd31f71f6b7758bcc5c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+568b11762723b001bfa693d0f21c5dad01d4e813" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7669bd28b9f3f824e3f5cab650fa05d575ad1a81346a0b515aa1d1a7a329b1fb [INFO] running `Command { std: "docker" "start" "-a" "7669bd28b9f3f824e3f5cab650fa05d575ad1a81346a0b515aa1d1a7a329b1fb", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.103 [INFO] [stderr] Compiling quote v1.0.42 [INFO] [stderr] Compiling unicode-ident v1.0.22 [INFO] [stderr] Compiling libc v0.2.177 [INFO] [stderr] Checking stable_deref_trait v1.2.1 [INFO] [stderr] Checking smallvec v1.15.1 [INFO] [stderr] Checking cfg-if v1.0.4 [INFO] [stderr] Compiling find-msvc-tools v0.1.5 [INFO] [stderr] Compiling parking_lot_core v0.9.12 [INFO] [stderr] Checking bytes v1.11.0 [INFO] [stderr] Checking lock_api v0.4.14 [INFO] [stderr] Checking litemap v0.8.1 [INFO] [stderr] Checking memchr v2.7.6 [INFO] [stderr] Checking writeable v0.6.2 [INFO] [stderr] Compiling icu_properties_data v2.1.1 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling icu_normalizer_data v2.1.1 [INFO] [stderr] Checking slab v0.4.11 [INFO] [stderr] Compiling openssl v0.10.75 [INFO] [stderr] Checking tracing-core v0.1.35 [INFO] [stderr] Checking hashbrown v0.16.1 [INFO] [stderr] Checking bitflags v2.10.0 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Checking log v0.4.28 [INFO] [stderr] Compiling cc v1.2.47 [INFO] [stderr] Checking percent-encoding v2.3.2 [INFO] [stderr] Compiling serde_json v1.0.145 [INFO] [stderr] Checking encoding_rs v0.8.35 [INFO] [stderr] Checking form_urlencoded v1.2.2 [INFO] [stderr] Checking http v0.2.12 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Checking indexmap v2.12.1 [INFO] [stderr] Compiling syn v2.0.111 [INFO] [stderr] Checking http-body v0.4.6 [INFO] [stderr] Checking socket2 v0.6.1 [INFO] [stderr] Checking signal-hook-registry v1.4.7 [INFO] [stderr] Checking mio v1.1.0 [INFO] [stderr] Checking socket2 v0.5.10 [INFO] [stderr] Compiling openssl-sys v0.9.111 [INFO] [stderr] Checking parking_lot v0.12.5 [INFO] [stderr] Compiling native-tls v0.2.14 [INFO] [stderr] Compiling synstructure v0.13.2 [INFO] [stderr] Compiling zerofrom-derive v0.1.6 [INFO] [stderr] Compiling yoke-derive v0.8.1 [INFO] [stderr] Compiling zerovec-derive v0.11.2 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Compiling tokio-macros v2.6.0 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking zerofrom v0.1.6 [INFO] [stderr] Checking tokio v1.48.0 [INFO] [stderr] Checking yoke v0.8.1 [INFO] [stderr] Checking zerotrie v0.2.3 [INFO] [stderr] Checking zerovec v0.11.5 [INFO] [stderr] Checking tinystr v0.8.2 [INFO] [stderr] Checking potential_utf v0.1.4 [INFO] [stderr] Checking icu_collections v2.1.1 [INFO] [stderr] Checking icu_locale_core v2.1.1 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking icu_provider v2.1.1 [INFO] [stderr] Checking icu_properties v2.1.1 [INFO] [stderr] Checking icu_normalizer v2.1.1 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Checking idna_adapter v1.2.1 [INFO] [stderr] Checking idna v1.1.0 [INFO] [stderr] Checking url v2.5.7 [INFO] [stderr] Checking tokio-util v0.7.17 [INFO] [stderr] Checking tokio-native-tls v0.3.1 [INFO] [stderr] Checking h2 v0.3.27 [INFO] [stderr] Checking hyper v0.14.32 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking reqwest v0.11.27 [INFO] [stderr] Checking rust-basic v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `thread::sleep` [INFO] [stdout] --> src/day15/default_type_params.rs:22:21 [INFO] [stdout] | [INFO] [stdout] 22 | use std::{ops::Add, thread::sleep}; [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::ops::Not` [INFO] [stdout] --> src/day15/trait_objects_notification.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | use std::ops::Not; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::sleep` [INFO] [stdout] --> src/day16/parser_struct.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | use std::thread::sleep; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/day18/basic_threads.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Thread` [INFO] [stdout] --> src/day18/mutex_counter.rs:29:25 [INFO] [stdout] | [INFO] [stdout] 29 | use std::thread::{self, Thread}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::format` [INFO] [stdout] --> src/day18/producer_consumer.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | use std::fmt::format; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::future::Pending` [INFO] [stdout] --> src/day7/todo_system.rs:73:5 [INFO] [stdout] | [INFO] [stdout] 73 | use std::future::Pending; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `thread::sleep` [INFO] [stdout] --> src/day15/default_type_params.rs:22:21 [INFO] [stdout] | [INFO] [stdout] 22 | use std::{ops::Add, thread::sleep}; [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::ops::Not` [INFO] [stdout] --> src/day15/trait_objects_notification.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | use std::ops::Not; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::sleep` [INFO] [stdout] --> src/day16/parser_struct.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | use std::thread::sleep; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/day18/basic_threads.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Thread` [INFO] [stdout] --> src/day18/mutex_counter.rs:29:25 [INFO] [stdout] | [INFO] [stdout] 29 | use std::thread::{self, Thread}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::format` [INFO] [stdout] --> src/day18/producer_consumer.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | use std::fmt::format; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::future::Pending` [INFO] [stdout] --> src/day7/todo_system.rs:73:5 [INFO] [stdout] | [INFO] [stdout] 73 | use std::future::Pending; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/day16/lifetime_basics.rs:25:26 [INFO] [stdout] | [INFO] [stdout] 25 | fn first<'a>(x: &'a str, y: &str) -> &'a str { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `id` [INFO] [stdout] --> src/day20/retry_logic.rs:32:31 [INFO] [stdout] | [INFO] [stdout] 32 | async fn unreliable_operation(id: u32, fail_count: &mut u32) -> Result { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/day16/lifetime_basics.rs:25:26 [INFO] [stdout] | [INFO] [stdout] 25 | fn first<'a>(x: &'a str, y: &str) -> &'a str { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `str` [INFO] [stdout] --> src/day6/vehicle.rs:38:22 [INFO] [stdout] | [INFO] [stdout] 38 | Vehicle::Car(str) => 30, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_str` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `line` [INFO] [stdout] --> src/day6/vehicle.rs:40:26 [INFO] [stdout] | [INFO] [stdout] 40 | Vehicle::Train { line, station } => 20, [INFO] [stdout] | ^^^^ help: try ignoring the field: `line: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `station` [INFO] [stdout] --> src/day6/vehicle.rs:40:32 [INFO] [stdout] | [INFO] [stdout] 40 | Vehicle::Train { line, station } => 20, [INFO] [stdout] | ^^^^^^^ help: try ignoring the field: `station: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `str` [INFO] [stdout] --> src/day6/vehicle.rs:48:22 [INFO] [stdout] | [INFO] [stdout] 48 | Vehicle::Car(str) => format!("차종으로 이동"), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_str` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_day10_exercises` is never used [INFO] [stdout] --> src/day10/mod.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn run_day10_exercises() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `FileError` is never used [INFO] [stdout] --> src/day10/file_simulator.rs:30:6 [INFO] [stdout] | [INFO] [stdout] 30 | enum FileError { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_file` is never used [INFO] [stdout] --> src/day10/file_simulator.rs:37:4 [INFO] [stdout] | [INFO] [stdout] 37 | fn read_file(_filename: &str) -> Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parse_csv` is never used [INFO] [stdout] --> src/day10/file_simulator.rs:47:4 [INFO] [stdout] | [INFO] [stdout] 47 | fn parse_csv(_content: &str) -> Result, FileError> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_and_parse` is never used [INFO] [stdout] --> src/day10/file_simulator.rs:58:4 [INFO] [stdout] | [INFO] [stdout] 58 | fn read_and_parse(_filename: &str) -> Result, FileError> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day10/file_simulator.rs:64:8 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `safe_divide_result` is never used [INFO] [stdout] --> src/day10/safe_division.rs:16:4 [INFO] [stdout] | [INFO] [stdout] 16 | fn safe_divide_result(_a: i32, _b: i32) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `safe_divide_option` is never used [INFO] [stdout] --> src/day10/safe_division.rs:24:4 [INFO] [stdout] | [INFO] [stdout] 24 | fn safe_divide_option(_a: i32, _b: i32) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day10/safe_division.rs:31:8 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Student` is never constructed [INFO] [stdout] --> src/day10/student_registry.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 32 | struct Student { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `StudentRegistry` is never constructed [INFO] [stdout] --> src/day10/student_registry.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | struct StudentRegistry { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `add_student`, `find_by_name`, and `get_grade` are never used [INFO] [stdout] --> src/day10/student_registry.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 44 | impl StudentRegistry { [INFO] [stdout] | -------------------- associated items in this implementation [INFO] [stdout] 45 | // TODO: new 메서드를 구현하세요 [INFO] [stdout] 46 | fn new() -> StudentRegistry { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 53 | fn add_student(&mut self, _student: Student) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 58 | fn find_by_name(&self, _name: &str) -> Option<&Student> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 63 | fn get_grade(&self, _name: &str) -> Option { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day10/student_registry.rs:75:8 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_day11_exercises` is never used [INFO] [stdout] --> src/day11/mod.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn run_day11_exercises() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `safe_add` is never used [INFO] [stdout] --> src/day11/calculator_chaining.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn safe_add(_a: i32, _b: i32) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `safe_multiply` is never used [INFO] [stdout] --> src/day11/calculator_chaining.rs:33:4 [INFO] [stdout] | [INFO] [stdout] 33 | fn safe_multiply(_a: i32, _b: i32) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `safe_divide` is never used [INFO] [stdout] --> src/day11/calculator_chaining.rs:39:4 [INFO] [stdout] | [INFO] [stdout] 39 | fn safe_divide(_a: i32, _b: i32) -> Result { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `calculate_formula` is never used [INFO] [stdout] --> src/day11/calculator_chaining.rs:48:4 [INFO] [stdout] | [INFO] [stdout] 48 | fn calculate_formula(_a: i32, _b: i32, _c: i32) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day11/calculator_chaining.rs:54:8 [INFO] [stdout] | [INFO] [stdout] 54 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `DataError` is never used [INFO] [stdout] --> src/day11/data_pipeline.rs:38:6 [INFO] [stdout] | [INFO] [stdout] 38 | enum DataError { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_raw_data` is never used [INFO] [stdout] --> src/day11/data_pipeline.rs:47:4 [INFO] [stdout] | [INFO] [stdout] 47 | fn read_raw_data(_id: u32) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parse_numbers` is never used [INFO] [stdout] --> src/day11/data_pipeline.rs:67:4 [INFO] [stdout] | [INFO] [stdout] 67 | fn parse_numbers(_raw: &str) -> Result, DataError> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `validate_numbers` is never used [INFO] [stdout] --> src/day11/data_pipeline.rs:75:4 [INFO] [stdout] | [INFO] [stdout] 75 | fn validate_numbers(_numbers: &[i32]) -> Result<(), DataError> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `calculate_average` is never used [INFO] [stdout] --> src/day11/data_pipeline.rs:85:4 [INFO] [stdout] | [INFO] [stdout] 85 | fn calculate_average(_numbers: &[i32]) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process_data_pipeline` is never used [INFO] [stdout] --> src/day11/data_pipeline.rs:97:4 [INFO] [stdout] | [INFO] [stdout] 97 | fn process_data_pipeline(_id: u32) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day11/data_pipeline.rs:104:8 [INFO] [stdout] | [INFO] [stdout] 104 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `RegistrationError` is never used [INFO] [stdout] --> src/day11/user_registration.rs:41:6 [INFO] [stdout] | [INFO] [stdout] 41 | enum RegistrationError { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `validate_email` is never used [INFO] [stdout] --> src/day11/user_registration.rs:58:4 [INFO] [stdout] | [INFO] [stdout] 58 | fn validate_email(_email: &str) -> Result<(), RegistrationError> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `validate_password` is never used [INFO] [stdout] --> src/day11/user_registration.rs:66:4 [INFO] [stdout] | [INFO] [stdout] 66 | fn validate_password(_password: &str) -> Result<(), RegistrationError> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `validate_age` is never used [INFO] [stdout] --> src/day11/user_registration.rs:74:4 [INFO] [stdout] | [INFO] [stdout] 74 | fn validate_age(_age: u8) -> Result<(), RegistrationError> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `register_user` is never used [INFO] [stdout] --> src/day11/user_registration.rs:87:4 [INFO] [stdout] | [INFO] [stdout] 87 | fn register_user( [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day11/user_registration.rs:104:8 [INFO] [stdout] | [INFO] [stdout] 104 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_day12_exercises` is never used [INFO] [stdout] --> src/day12/mod.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn run_day12_exercises() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `add`, `get`, `remove`, `len`, and `is_empty` are never used [INFO] [stdout] --> src/day12/generic_storage.rs:43:8 [INFO] [stdout] | [INFO] [stdout] 42 | impl Storage { [INFO] [stdout] | ------------------ associated items in this implementation [INFO] [stdout] 43 | fn new() -> Storage { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | fn add(&mut self, _item: T) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | fn get(&self, _index: usize) -> Option<&T> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 55 | fn remove(&mut self, _index: usize) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 63 | fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 67 | fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `display_all` is never used [INFO] [stdout] --> src/day12/generic_storage.rs:74:8 [INFO] [stdout] | [INFO] [stdout] 73 | impl Storage { [INFO] [stdout] | ------------------------------------- method in this implementation [INFO] [stdout] 74 | fn display_all(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day12/generic_storage.rs:81:8 [INFO] [stdout] | [INFO] [stdout] 81 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_type_and_value` is never used [INFO] [stdout] --> src/day12/generic_utilities.rs:26:4 [INFO] [stdout] | [INFO] [stdout] 26 | fn print_type_and_value(_value: T) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_last` is never used [INFO] [stdout] --> src/day12/generic_utilities.rs:32:4 [INFO] [stdout] | [INFO] [stdout] 32 | fn get_last(_list: &[T]) -> Option<&T> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `swap_pair` is never used [INFO] [stdout] --> src/day12/generic_utilities.rs:37:4 [INFO] [stdout] | [INFO] [stdout] 37 | fn swap_pair(_pair: (T, T)) -> (T, T) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_index` is never used [INFO] [stdout] --> src/day12/generic_utilities.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn find_index(_list: &[T], _target: &T) -> Option { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day12/generic_utilities.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `get`, `unwrap`, and `map` are never used [INFO] [stdout] --> src/day12/wrapper_struct.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 37 | impl Wrapper { [INFO] [stdout] | ------------------ associated items in this implementation [INFO] [stdout] 38 | fn new(_value: T) -> Wrapper { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | fn get(&self) -> &T { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | fn unwrap(self) -> T { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 50 | fn map(self, _f: F) -> Wrapper [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `display` is never used [INFO] [stdout] --> src/day12/wrapper_struct.rs:62:8 [INFO] [stdout] | [INFO] [stdout] 61 | impl Wrapper { [INFO] [stdout] | ------------------------------------- method in this implementation [INFO] [stdout] 62 | fn display(&self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day12/wrapper_struct.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 67 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_day13_exercises` is never used [INFO] [stdout] --> src/day13/mod.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn run_day13_exercises() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Product` is never constructed [INFO] [stdout] --> src/day13/comparable_product.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 27 | struct Product { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_cheapest` is never used [INFO] [stdout] --> src/day13/comparable_product.rs:40:4 [INFO] [stdout] | [INFO] [stdout] 40 | fn find_cheapest(items: &[T]) -> &T { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_most_expensive` is never used [INFO] [stdout] --> src/day13/comparable_product.rs:45:4 [INFO] [stdout] | [INFO] [stdout] 45 | fn find_most_expensive(items: &[T]) -> &T { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day13/comparable_product.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Container` is never constructed [INFO] [stdout] --> src/day13/conditional_methods.rs:29:8 [INFO] [stdout] | [INFO] [stdout] 29 | struct Container { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/day13/conditional_methods.rs:35:8 [INFO] [stdout] | [INFO] [stdout] 34 | impl Container { [INFO] [stdout] | -------------------- associated function in this implementation [INFO] [stdout] 35 | fn new(value: T) -> Container { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `duplicate` is never used [INFO] [stdout] --> src/day13/conditional_methods.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 41 | impl Container { [INFO] [stdout] | --------------------------- method in this implementation [INFO] [stdout] 42 | fn duplicate(&self) -> (T, T) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_greater_than` is never used [INFO] [stdout] --> src/day13/conditional_methods.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 48 | impl Container { [INFO] [stdout] | -------------------------------- method in this implementation [INFO] [stdout] 49 | fn is_greater_than(&self, other: &T) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `display` is never used [INFO] [stdout] --> src/day13/conditional_methods.rs:56:8 [INFO] [stdout] | [INFO] [stdout] 55 | impl Container { [INFO] [stdout] | ----------------------------- method in this implementation [INFO] [stdout] 56 | fn display(&self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day13/conditional_methods.rs:61:8 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Logger` is never used [INFO] [stdout] --> src/day13/logging_system.rs:29:7 [INFO] [stdout] | [INFO] [stdout] 29 | trait Logger { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ConsoleLogger` is never constructed [INFO] [stdout] --> src/day13/logging_system.rs:40:8 [INFO] [stdout] | [INFO] [stdout] 40 | struct ConsoleLogger; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `FileLogger` is never constructed [INFO] [stdout] --> src/day13/logging_system.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | struct FileLogger { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `log_multiple` is never used [INFO] [stdout] --> src/day13/logging_system.rs:63:4 [INFO] [stdout] | [INFO] [stdout] 63 | fn log_multiple(logger: &T, messages: &[&str]) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day13/logging_system.rs:69:8 [INFO] [stdout] | [INFO] [stdout] 69 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Shape` is never used [INFO] [stdout] --> src/day13/shape_trait.rs:28:7 [INFO] [stdout] | [INFO] [stdout] 28 | trait Shape { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Rectangle` is never constructed [INFO] [stdout] --> src/day13/shape_trait.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 34 | struct Rectangle { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Circle` is never constructed [INFO] [stdout] --> src/day13/shape_trait.rs:50:8 [INFO] [stdout] | [INFO] [stdout] 50 | struct Circle { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_shape_info` is never used [INFO] [stdout] --> src/day13/shape_trait.rs:65:4 [INFO] [stdout] | [INFO] [stdout] 65 | fn print_shape_info(shape: &T) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day13/shape_trait.rs:70:8 [INFO] [stdout] | [INFO] [stdout] 70 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_day14_exercises` is never used [INFO] [stdout] --> src/day14/mod.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn run_day14_exercises() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `LibraryError` is never used [INFO] [stdout] --> src/day14/library_system.rs:54:6 [INFO] [stdout] | [INFO] [stdout] 54 | enum LibraryError { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Displayable` is never used [INFO] [stdout] --> src/day14/library_system.rs:61:7 [INFO] [stdout] | [INFO] [stdout] 61 | trait Displayable { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Book` is never constructed [INFO] [stdout] --> src/day14/library_system.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 67 | struct Book { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Library` is never constructed [INFO] [stdout] --> src/day14/library_system.rs:88:8 [INFO] [stdout] | [INFO] [stdout] 88 | struct Library { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `add_book`, `get_book`, `remove_book`, `list_all_books`, and `count` are never used [INFO] [stdout] --> src/day14/library_system.rs:94:8 [INFO] [stdout] | [INFO] [stdout] 93 | impl Library { [INFO] [stdout] | --------------------------------------- associated items in this implementation [INFO] [stdout] 94 | fn new() -> Library { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 100 | fn add_book(&mut self, id: u32, book: T) -> Result<(), LibraryError> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 108 | fn get_book(&self, id: u32) -> Result<&T, LibraryError> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 112 | fn remove_book(&mut self, id: u32) -> Result { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 116 | fn list_all_books(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 123 | fn count(&self) -> usize { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day14/library_system.rs:128:8 [INFO] [stdout] | [INFO] [stdout] 128 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static `CURRENT_TIME` is never used [INFO] [stdout] --> src/day14/cache_system.rs:54:12 [INFO] [stdout] | [INFO] [stdout] 54 | static mut CURRENT_TIME: u64 = 0; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_current_time` is never used [INFO] [stdout] --> src/day14/cache_system.rs:56:4 [INFO] [stdout] | [INFO] [stdout] 56 | fn get_current_time() -> u64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `advance_time` is never used [INFO] [stdout] --> src/day14/cache_system.rs:60:4 [INFO] [stdout] | [INFO] [stdout] 60 | fn advance_time(seconds: u64) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `CacheError` is never used [INFO] [stdout] --> src/day14/cache_system.rs:68:6 [INFO] [stdout] | [INFO] [stdout] 68 | enum CacheError { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Cacheable` is never used [INFO] [stdout] --> src/day14/cache_system.rs:74:7 [INFO] [stdout] | [INFO] [stdout] 74 | trait Cacheable { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CachedValue` is never constructed [INFO] [stdout] --> src/day14/cache_system.rs:79:8 [INFO] [stdout] | [INFO] [stdout] 79 | struct CachedValue { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Cache` is never constructed [INFO] [stdout] --> src/day14/cache_system.rs:93:8 [INFO] [stdout] | [INFO] [stdout] 93 | struct Cache { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `set`, `get`, `remove`, `clear`, and `size` are never used [INFO] [stdout] --> src/day14/cache_system.rs:100:8 [INFO] [stdout] | [INFO] [stdout] 99 | impl Cache { [INFO] [stdout] | ----------------------- associated items in this implementation [INFO] [stdout] 100 | fn new() -> Cache { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 106 | fn set(&mut self, key: String, value: T, ttl: u64) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 117 | fn get(&self, key: &str) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 130 | fn remove(&mut self, key: &str) -> Result { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 143 | fn clear(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 147 | fn size(&self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day14/cache_system.rs:152:8 [INFO] [stdout] | [INFO] [stdout] 152 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_day15_exercises` is never used [INFO] [stdout] --> src/day15/mod.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn run_day15_exercises() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Container` is never used [INFO] [stdout] --> src/day15/associated_types_container.rs:24:7 [INFO] [stdout] | [INFO] [stdout] 24 | trait Container { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `VecContainer` is never constructed [INFO] [stdout] --> src/day15/associated_types_container.rs:31:8 [INFO] [stdout] | [INFO] [stdout] 31 | struct VecContainer { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `StringContainer` is never constructed [INFO] [stdout] --> src/day15/associated_types_container.rs:53:8 [INFO] [stdout] | [INFO] [stdout] 53 | struct StringContainer { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_container` is never used [INFO] [stdout] --> src/day15/associated_types_container.rs:75:4 [INFO] [stdout] | [INFO] [stdout] 75 | fn print_container(container: &impl Container) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day15/associated_types_container.rs:79:8 [INFO] [stdout] | [INFO] [stdout] 79 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Point` is never constructed [INFO] [stdout] --> src/day15/default_type_params.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 25 | struct Point { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/day15/default_type_params.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 31 | impl Point { [INFO] [stdout] | ---------------- associated function in this implementation [INFO] [stdout] 32 | fn new(x: T, y: T) -> Point { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `display` is never used [INFO] [stdout] --> src/day15/default_type_params.rs:51:8 [INFO] [stdout] | [INFO] [stdout] 50 | impl Point { [INFO] [stdout] | ----------------------------------- method in this implementation [INFO] [stdout] 51 | fn display(&self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day15/default_type_params.rs:56:8 [INFO] [stdout] | [INFO] [stdout] 56 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Notification` is never used [INFO] [stdout] --> src/day15/trait_objects_notification.rs:39:7 [INFO] [stdout] | [INFO] [stdout] 39 | trait Notification { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `EmailNotification` is never constructed [INFO] [stdout] --> src/day15/trait_objects_notification.rs:44:8 [INFO] [stdout] | [INFO] [stdout] 44 | struct EmailNotification { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SmsNotification` is never constructed [INFO] [stdout] --> src/day15/trait_objects_notification.rs:56:8 [INFO] [stdout] | [INFO] [stdout] 56 | struct SmsNotification { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `PushNotification` is never constructed [INFO] [stdout] --> src/day15/trait_objects_notification.rs:66:8 [INFO] [stdout] | [INFO] [stdout] 66 | struct PushNotification { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `NotificationService` is never constructed [INFO] [stdout] --> src/day15/trait_objects_notification.rs:78:8 [INFO] [stdout] | [INFO] [stdout] 78 | struct NotificationService { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `add_channel`, and `broadcast` are never used [INFO] [stdout] --> src/day15/trait_objects_notification.rs:84:8 [INFO] [stdout] | [INFO] [stdout] 83 | impl NotificationService { [INFO] [stdout] | ------------------------ associated items in this implementation [INFO] [stdout] 84 | fn new() -> NotificationService { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 90 | fn add_channel(&mut self, channel: Box) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 94 | fn broadcast(&self, message: &str) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day15/trait_objects_notification.rs:101:8 [INFO] [stdout] | [INFO] [stdout] 101 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Processor` is never used [INFO] [stdout] --> src/day15/combined_processor.rs:34:7 [INFO] [stdout] | [INFO] [stdout] 34 | trait Processor { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `UppercaseProcessor` is never constructed [INFO] [stdout] --> src/day15/combined_processor.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 42 | struct UppercaseProcessor; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LengthProcessor` is never constructed [INFO] [stdout] --> src/day15/combined_processor.rs:55:8 [INFO] [stdout] | [INFO] [stdout] 55 | struct LengthProcessor; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `DoubleProcessor` is never constructed [INFO] [stdout] --> src/day15/combined_processor.rs:68:8 [INFO] [stdout] | [INFO] [stdout] 68 | struct DoubleProcessor; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day15/combined_processor.rs:80:8 [INFO] [stdout] | [INFO] [stdout] 80 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_day16_exercises` is never used [INFO] [stdout] --> src/day16/mod.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn run_day16_exercises() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Context` is never constructed [INFO] [stdout] --> src/day16/complex_lifetimes.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 28 | struct Context<'a, 'b> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `title`, `body`, and `display` are never used [INFO] [stdout] --> src/day16/complex_lifetimes.rs:35:8 [INFO] [stdout] | [INFO] [stdout] 34 | impl<'a, 'b> Context<'a, 'b> { [INFO] [stdout] | ---------------------------- associated items in this implementation [INFO] [stdout] 35 | fn new(title: &'a str, body: &'b str) -> Context<'a, 'b> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | fn title(&self) -> &'a str { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | fn body(&self) -> &'b str { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | fn display(&self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `create_summary` is never used [INFO] [stdout] --> src/day16/complex_lifetimes.rs:53:4 [INFO] [stdout] | [INFO] [stdout] 53 | fn create_summary<'a>(ctx: &Context<'a, '_>) -> &'a str { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day16/complex_lifetimes.rs:57:8 [INFO] [stdout] | [INFO] [stdout] 57 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `longest` is never used [INFO] [stdout] --> src/day16/lifetime_basics.rs:20:4 [INFO] [stdout] | [INFO] [stdout] 20 | fn longest<'a>(x: &'a str, y: &'a str) -> &'a str { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `first` is never used [INFO] [stdout] --> src/day16/lifetime_basics.rs:25:4 [INFO] [stdout] | [INFO] [stdout] 25 | fn first<'a>(x: &'a str, y: &str) -> &'a str { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `contains_substring` is never used [INFO] [stdout] --> src/day16/lifetime_basics.rs:30:4 [INFO] [stdout] | [INFO] [stdout] 30 | fn contains_substring<'a>(text: &'a str, pattern: &str) -> Option<&'a str> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day16/lifetime_basics.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TextSlice` is never constructed [INFO] [stdout] --> src/day16/lifetime_struct.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 28 | struct TextSlice<'a> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `text`, `len`, and `concat` are never used [INFO] [stdout] --> src/day16/lifetime_struct.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 35 | impl<'a> TextSlice<'a> { [INFO] [stdout] | ---------------------- associated items in this implementation [INFO] [stdout] 36 | fn new(content: &'a str, start: usize, end: usize) -> TextSlice<'a> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 44 | fn text(&self) -> &str { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 48 | fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 52 | fn concat(&self, other: &str) -> String { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day16/lifetime_struct.rs:57:8 [INFO] [stdout] | [INFO] [stdout] 57 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Parser` is never constructed [INFO] [stdout] --> src/day16/parser_struct.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 32 | struct Parser<'a> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `current_char`, `advance`, `remaining`, and `is_finished` are never used [INFO] [stdout] --> src/day16/parser_struct.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 38 | impl<'a> Parser<'a> { [INFO] [stdout] | ------------------- associated items in this implementation [INFO] [stdout] 39 | fn new(input: &'a str) -> Parser<'a> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | fn current_char(&self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | fn advance(&mut self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | fn remaining(&self) -> &str { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 55 | fn is_finished(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day16/parser_struct.rs:60:8 [INFO] [stdout] | [INFO] [stdout] 60 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_day17_exercises` is never used [INFO] [stdout] --> src/day17/mod.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn run_day17_exercises() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `List` is never used [INFO] [stdout] --> src/day17/box_linked_list.rs:30:6 [INFO] [stdout] | [INFO] [stdout] 30 | enum List { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `prepend`, `len`, and `stringify` are never used [INFO] [stdout] --> src/day17/box_linked_list.rs:37:8 [INFO] [stdout] | [INFO] [stdout] 36 | impl List { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 37 | fn new() -> List { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 41 | fn prepend(self, value: i32) -> List { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 52 | fn stringify(&self) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day17/box_linked_list.rs:62:8 [INFO] [stdout] | [INFO] [stdout] 62 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Task` is never constructed [INFO] [stdout] --> src/day17/rc_refcell_shared_mutable.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | struct Task { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `id` [INFO] [stdout] --> src/day20/retry_logic.rs:32:31 [INFO] [stdout] | [INFO] [stdout] 32 | async fn unreliable_operation(id: u32, fail_count: &mut u32) -> Result { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TaskManager` is never constructed [INFO] [stdout] --> src/day17/rc_refcell_shared_mutable.rs:48:8 [INFO] [stdout] | [INFO] [stdout] 48 | struct TaskManager { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `add_task`, `complete_task`, `list_tasks`, and `completed_count` are never used [INFO] [stdout] --> src/day17/rc_refcell_shared_mutable.rs:54:8 [INFO] [stdout] | [INFO] [stdout] 53 | impl TaskManager { [INFO] [stdout] | ---------------- associated items in this implementation [INFO] [stdout] 54 | fn new() -> TaskManager { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 58 | fn add_task(&mut self, id: u32, description: String) -> Rc> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 68 | fn complete_task(&self, task: &Rc>) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 72 | fn list_tasks(&self) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 80 | fn completed_count(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day17/rc_refcell_shared_mutable.rs:88:8 [INFO] [stdout] | [INFO] [stdout] 88 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/day17/rc_shared_data.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 36 | struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Graph` is never constructed [INFO] [stdout] --> src/day17/rc_shared_data.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | struct Graph { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `add_node`, `node_count`, and `total_references` are never used [INFO] [stdout] --> src/day17/rc_shared_data.rs:47:8 [INFO] [stdout] | [INFO] [stdout] 46 | impl Graph { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 47 | fn new() -> Graph { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | fn add_node(&mut self, value: i32) -> Rc { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 57 | fn node_count(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 61 | fn total_references(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day17/rc_shared_data.rs:66:8 [INFO] [stdout] | [INFO] [stdout] 66 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Counter` is never constructed [INFO] [stdout] --> src/day17/refcell_interior_mutability.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 28 | struct Counter { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `increment`, `get`, and `reset` are never used [INFO] [stdout] --> src/day17/refcell_interior_mutability.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 33 | impl Counter { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 34 | fn new() -> Counter { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 40 | fn increment(&self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | fn get(&self) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | fn reset(&self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day17/refcell_interior_mutability.rs:54:8 [INFO] [stdout] | [INFO] [stdout] 54 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_day18_exercises` is never used [INFO] [stdout] --> src/day18/mod.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn run_day18_exercises() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `create_threads` is never used [INFO] [stdout] --> src/day18/basic_threads.rs:20:4 [INFO] [stdout] | [INFO] [stdout] 20 | fn create_threads(count: u32) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `wait_all` is never used [INFO] [stdout] --> src/day18/basic_threads.rs:31:4 [INFO] [stdout] | [INFO] [stdout] 31 | fn wait_all(handles: Vec>) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day18/basic_threads.rs:35:8 [INFO] [stdout] | [INFO] [stdout] 35 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Task` is never constructed [INFO] [stdout] --> src/day18/channel_messaging.rs:29:8 [INFO] [stdout] | [INFO] [stdout] 29 | struct Task { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TaskResult` is never constructed [INFO] [stdout] --> src/day18/channel_messaging.rs:35:8 [INFO] [stdout] | [INFO] [stdout] 35 | struct TaskResult { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process_tasks` is never used [INFO] [stdout] --> src/day18/channel_messaging.rs:41:4 [INFO] [stdout] | [INFO] [stdout] 41 | fn process_tasks(tasks: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day18/channel_messaging.rs:61:8 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Counter` is never constructed [INFO] [stdout] --> src/day18/mutex_counter.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 32 | struct Counter { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `increment`, `decrement`, and `get` are never used [INFO] [stdout] --> src/day18/mutex_counter.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 38 | impl Counter { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 39 | fn new() -> Arc { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | fn increment(&self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 50 | fn decrement(&self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 55 | fn get(&self) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parallel_increments` is never used [INFO] [stdout] --> src/day18/mutex_counter.rs:61:4 [INFO] [stdout] | [INFO] [stdout] 61 | fn parallel_increments(counter: Arc, threads: u32, increments_per_thread: u32) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day18/mutex_counter.rs:79:8 [INFO] [stdout] | [INFO] [stdout] 79 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Message` is never used [INFO] [stdout] --> src/day18/producer_consumer.rs:33:6 [INFO] [stdout] | [INFO] [stdout] 33 | enum Message { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `producer` is never used [INFO] [stdout] --> src/day18/producer_consumer.rs:39:4 [INFO] [stdout] | [INFO] [stdout] 39 | fn producer(id: u32, tx: mpsc::Sender, count: u32) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `consumer` is never used [INFO] [stdout] --> src/day18/producer_consumer.rs:47:4 [INFO] [stdout] | [INFO] [stdout] 47 | fn consumer(rx: mpsc::Receiver) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_producer_consumer` is never used [INFO] [stdout] --> src/day18/producer_consumer.rs:61:4 [INFO] [stdout] | [INFO] [stdout] 61 | fn run_producer_consumer(producer_count: u32, messages_per_producer: u32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day18/producer_consumer.rs:85:8 [INFO] [stdout] | [INFO] [stdout] 85 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_day20_exercises` is never used [INFO] [stdout] --> src/day20/mod.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn run_day20_exercises() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `compute` is never used [INFO] [stdout] --> src/day20/tokio_spawn_parallel.rs:20:10 [INFO] [stdout] | [INFO] [stdout] 20 | async fn compute(id: u32, duration_ms: u64) -> u32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parallel_compute` is never used [INFO] [stdout] --> src/day20/tokio_spawn_parallel.rs:26:10 [INFO] [stdout] | [INFO] [stdout] 26 | async fn parallel_compute(tasks: Vec<(u32, u64)>) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day20/tokio_spawn_parallel.rs:42:14 [INFO] [stdout] | [INFO] [stdout] 42 | pub async fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `ProcessError` is never used [INFO] [stdout] --> src/day20/async_error_handling.rs:30:6 [INFO] [stdout] | [INFO] [stdout] 30 | enum ProcessError { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process_with_validation` is never used [INFO] [stdout] --> src/day20/async_error_handling.rs:37:10 [INFO] [stdout] | [INFO] [stdout] 37 | async fn process_with_validation(value: i32) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process_with_timeout` is never used [INFO] [stdout] --> src/day20/async_error_handling.rs:52:10 [INFO] [stdout] | [INFO] [stdout] 52 | async fn process_with_timeout(value: i32, timeout_ms: u64) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process_batch` is never used [INFO] [stdout] --> src/day20/async_error_handling.rs:66:10 [INFO] [stdout] | [INFO] [stdout] 66 | async fn process_batch(values: Vec) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day20/async_error_handling.rs:83:14 [INFO] [stdout] | [INFO] [stdout] 83 | pub async fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ApiResponse` is never constructed [INFO] [stdout] --> src/day20/http_client_simulator.rs:37:8 [INFO] [stdout] | [INFO] [stdout] 37 | struct ApiResponse { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `HttpClient` is never constructed [INFO] [stdout] --> src/day20/http_client_simulator.rs:43:8 [INFO] [stdout] | [INFO] [stdout] 43 | struct HttpClient; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `get`, and `post` are never used [INFO] [stdout] --> src/day20/http_client_simulator.rs:47:8 [INFO] [stdout] | [INFO] [stdout] 46 | impl HttpClient { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] 47 | fn new() -> HttpClient { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | async fn get(&self, url: &str) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 63 | async fn post(&self, url: &str, body: &str) -> Result { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `fetch_multiple` is never used [INFO] [stdout] --> src/day20/http_client_simulator.rs:79:10 [INFO] [stdout] | [INFO] [stdout] 79 | async fn fetch_multiple(urls: Vec) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day20/http_client_simulator.rs:98:14 [INFO] [stdout] | [INFO] [stdout] 98 | pub async fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `unreliable_operation` is never used [INFO] [stdout] --> src/day20/retry_logic.rs:32:10 [INFO] [stdout] | [INFO] [stdout] 32 | async fn unreliable_operation(id: u32, fail_count: &mut u32) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `retry_operation` is never used [INFO] [stdout] --> src/day20/retry_logic.rs:45:10 [INFO] [stdout] | [INFO] [stdout] 45 | async fn retry_operation( [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process_with_retry` is never used [INFO] [stdout] --> src/day20/retry_logic.rs:71:10 [INFO] [stdout] | [INFO] [stdout] 71 | async fn process_with_retry(id: u32) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day20/retry_logic.rs:90:14 [INFO] [stdout] | [INFO] [stdout] 90 | pub async fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `owner` is never read [INFO] [stdout] --> src/day5/bank_account.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 28 | struct BankAccount { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 29 | // TODO: 필드들을 정의하세요 [INFO] [stdout] 30 | owner: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BankAccount` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_balance` is never used [INFO] [stdout] --> src/day5/bank_account.rs:63:8 [INFO] [stdout] | [INFO] [stdout] 35 | impl BankAccount { [INFO] [stdout] | ---------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 63 | fn get_balance(&self) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/day6/message.rs:28:10 [INFO] [stdout] | [INFO] [stdout] 28 | Text(String), [INFO] [stdout] | ---- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 28 - Text(String), [INFO] [stdout] 28 + Text(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `url`, `width`, and `height` are never read [INFO] [stdout] --> src/day6/message.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 29 | Image { [INFO] [stdout] | ----- fields in this variant [INFO] [stdout] 30 | url: String, [INFO] [stdout] | ^^^ [INFO] [stdout] 31 | width: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 32 | height: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `url` is never read [INFO] [stdout] --> src/day6/message.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 34 | Video { [INFO] [stdout] | ----- field in this variant [INFO] [stdout] 35 | url: String, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process_message` is never used [INFO] [stdout] --> src/day6/message.rs:41:4 [INFO] [stdout] | [INFO] [stdout] 41 | fn process_message(msg: &Message) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_day7_exercises` is never used [INFO] [stdout] --> src/day7/mod.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn run_day7_exercises() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `TodoStatus` is never used [INFO] [stdout] --> src/day7/todo_system.rs:77:6 [INFO] [stdout] | [INFO] [stdout] 77 | enum TodoStatus { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Todo` is never constructed [INFO] [stdout] --> src/day7/todo_system.rs:87:8 [INFO] [stdout] | [INFO] [stdout] 87 | struct Todo { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `start`, `complete`, `is_completed`, and `status_text` are never used [INFO] [stdout] --> src/day7/todo_system.rs:97:8 [INFO] [stdout] | [INFO] [stdout] 95 | impl Todo { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 96 | // TODO: new 메서드 구현 [INFO] [stdout] 97 | fn new(id: u32, title: String, description: String) -> Todo { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 107 | fn start(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 112 | fn complete(&mut self) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 117 | fn is_completed(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 125 | fn status_text(&self) -> &str { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TodoList` is never constructed [INFO] [stdout] --> src/day7/todo_system.rs:136:8 [INFO] [stdout] | [INFO] [stdout] 136 | struct TodoList { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/day7/todo_system.rs:145:8 [INFO] [stdout] | [INFO] [stdout] 143 | impl TodoList { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] 144 | // TODO: new 메서드 구현 [INFO] [stdout] 145 | fn new() -> TodoList { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 152 | fn add(&mut self, title: String, description: String) -> u32 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 160 | fn get(&self, id: u32) -> Option<&Todo> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 165 | fn get_mut(&mut self, id: u32) -> Option<&mut Todo> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 169 | fn remove(&mut self, id: u32) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 179 | fn list_all(&self) -> &Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 183 | fn list_by_status(&self, status: TodoStatus) -> Vec<&Todo> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 191 | fn count_by_status(&self, status: TodoStatus) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day7/todo_system.rs:199:8 [INFO] [stdout] | [INFO] [stdout] 199 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_day8_exercises` is never used [INFO] [stdout] --> src/day8/mod.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn run_day8_exercises() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day8/calculator_module.rs:54:8 [INFO] [stdout] | [INFO] [stdout] 54 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `add` is never used [INFO] [stdout] --> src/day8/calculator_module.rs:26:16 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn add(a: f64, b: f64) -> f64 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `subtract` is never used [INFO] [stdout] --> src/day8/calculator_module.rs:29:16 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn subtract(a: f64, b: f64) -> f64 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `multiply` is never used [INFO] [stdout] --> src/day8/calculator_module.rs:32:16 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn multiply(a: f64, b: f64) -> f64 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `divide` is never used [INFO] [stdout] --> src/day8/calculator_module.rs:35:16 [INFO] [stdout] | [INFO] [stdout] 35 | pub fn divide(a: f64, b: f64) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `power` is never used [INFO] [stdout] --> src/day8/calculator_module.rs:44:16 [INFO] [stdout] | [INFO] [stdout] 44 | pub fn power(base: f64, exponent: f64) -> f64 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `square_root` is never used [INFO] [stdout] --> src/day8/calculator_module.rs:48:16 [INFO] [stdout] | [INFO] [stdout] 48 | pub fn square_root(x: f64) -> Option { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day8/config_management.rs:55:8 [INFO] [stdout] | [INFO] [stdout] 55 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `AppConfig` is never constructed [INFO] [stdout] --> src/day8/config_management.rs:29:16 [INFO] [stdout] | [INFO] [stdout] 29 | pub struct AppConfig { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `get_app_name`, and `enable_debug` are never used [INFO] [stdout] --> src/day8/config_management.rs:37:16 [INFO] [stdout] | [INFO] [stdout] 36 | impl AppConfig { [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] 37 | pub fn new(app_name: String, version: String) -> AppConfig { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | pub fn get_app_name(&self) -> &str { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | pub fn enable_debug(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day8/library_system.rs:48:8 [INFO] [stdout] | [INFO] [stdout] 48 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Book` is never constructed [INFO] [stdout] --> src/day8/library_system.rs:24:20 [INFO] [stdout] | [INFO] [stdout] 24 | pub struct Book { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `create_book` is never used [INFO] [stdout] --> src/day8/library_system.rs:29:16 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn create_book(title: String, author: String) -> Book { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Member` is never constructed [INFO] [stdout] --> src/day8/library_system.rs:37:20 [INFO] [stdout] | [INFO] [stdout] 37 | pub struct Member { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `create_member` is never used [INFO] [stdout] --> src/day8/library_system.rs:42:16 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn create_member(name: String, id: u32) -> Member { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_day9_exercises` is never used [INFO] [stdout] --> src/day9/mod.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn run_day9_exercises() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `PhoneBook` is never constructed [INFO] [stdout] --> src/day9/phone_book.rs:31:8 [INFO] [stdout] | [INFO] [stdout] 31 | struct PhoneBook { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `add`, `get`, `remove`, and `list_all` are never used [INFO] [stdout] --> src/day9/phone_book.rs:40:8 [INFO] [stdout] | [INFO] [stdout] 38 | impl PhoneBook { [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] 39 | // TODO: new 메서드를 구현하세요 [INFO] [stdout] 40 | fn new() -> PhoneBook { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | fn add(&mut self, _name: String, _phone: String) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 52 | fn get(&self, _name: &str) -> Option<&String> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 57 | fn remove(&mut self, _name: &str) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 62 | fn list_all(&self) -> Vec<(&String, &String)> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day9/phone_book.rs:75:8 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `calculate_average` is never used [INFO] [stdout] --> src/day9/student_grades.rs:26:4 [INFO] [stdout] | [INFO] [stdout] 26 | fn calculate_average(_scores: &Vec) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_highest` is never used [INFO] [stdout] --> src/day9/student_grades.rs:36:4 [INFO] [stdout] | [INFO] [stdout] 36 | fn find_highest(_scores: &Vec) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_lowest` is never used [INFO] [stdout] --> src/day9/student_grades.rs:51:4 [INFO] [stdout] | [INFO] [stdout] 51 | fn find_lowest(_scores: &Vec) -> Option { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `filter_passing` is never used [INFO] [stdout] --> src/day9/student_grades.rs:66:4 [INFO] [stdout] | [INFO] [stdout] 66 | fn filter_passing(_scores: &Vec, _passing_score: i32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day9/student_grades.rs:77:8 [INFO] [stdout] | [INFO] [stdout] 77 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `count_words` is never used [INFO] [stdout] --> src/day9/word_frequency.rs:20:4 [INFO] [stdout] | [INFO] [stdout] 20 | fn count_words(_text: &str) -> HashMap { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_most_frequent` is never used [INFO] [stdout] --> src/day9/word_frequency.rs:32:4 [INFO] [stdout] | [INFO] [stdout] 32 | fn find_most_frequent(_word_counts: &HashMap) -> Option<(String, usize)> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day9/word_frequency.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `str` [INFO] [stdout] --> src/day6/vehicle.rs:38:22 [INFO] [stdout] | [INFO] [stdout] 38 | Vehicle::Car(str) => 30, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_str` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `line` [INFO] [stdout] --> src/day6/vehicle.rs:40:26 [INFO] [stdout] | [INFO] [stdout] 40 | Vehicle::Train { line, station } => 20, [INFO] [stdout] | ^^^^ help: try ignoring the field: `line: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `station` [INFO] [stdout] --> src/day6/vehicle.rs:40:32 [INFO] [stdout] | [INFO] [stdout] 40 | Vehicle::Train { line, station } => 20, [INFO] [stdout] | ^^^^^^^ help: try ignoring the field: `station: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `str` [INFO] [stdout] --> src/day6/vehicle.rs:48:22 [INFO] [stdout] | [INFO] [stdout] 48 | Vehicle::Car(str) => format!("차종으로 이동"), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_str` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_day10_exercises` is never used [INFO] [stdout] --> src/day10/mod.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn run_day10_exercises() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `FileError` is never used [INFO] [stdout] --> src/day10/file_simulator.rs:30:6 [INFO] [stdout] | [INFO] [stdout] 30 | enum FileError { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_file` is never used [INFO] [stdout] --> src/day10/file_simulator.rs:37:4 [INFO] [stdout] | [INFO] [stdout] 37 | fn read_file(_filename: &str) -> Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parse_csv` is never used [INFO] [stdout] --> src/day10/file_simulator.rs:47:4 [INFO] [stdout] | [INFO] [stdout] 47 | fn parse_csv(_content: &str) -> Result, FileError> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_and_parse` is never used [INFO] [stdout] --> src/day10/file_simulator.rs:58:4 [INFO] [stdout] | [INFO] [stdout] 58 | fn read_and_parse(_filename: &str) -> Result, FileError> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day10/file_simulator.rs:64:8 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `safe_divide_result` is never used [INFO] [stdout] --> src/day10/safe_division.rs:16:4 [INFO] [stdout] | [INFO] [stdout] 16 | fn safe_divide_result(_a: i32, _b: i32) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `safe_divide_option` is never used [INFO] [stdout] --> src/day10/safe_division.rs:24:4 [INFO] [stdout] | [INFO] [stdout] 24 | fn safe_divide_option(_a: i32, _b: i32) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day10/safe_division.rs:31:8 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Student` is never constructed [INFO] [stdout] --> src/day10/student_registry.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 32 | struct Student { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `StudentRegistry` is never constructed [INFO] [stdout] --> src/day10/student_registry.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | struct StudentRegistry { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `add_student`, `find_by_name`, and `get_grade` are never used [INFO] [stdout] --> src/day10/student_registry.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 44 | impl StudentRegistry { [INFO] [stdout] | -------------------- associated items in this implementation [INFO] [stdout] 45 | // TODO: new 메서드를 구현하세요 [INFO] [stdout] 46 | fn new() -> StudentRegistry { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 53 | fn add_student(&mut self, _student: Student) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 58 | fn find_by_name(&self, _name: &str) -> Option<&Student> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 63 | fn get_grade(&self, _name: &str) -> Option { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day10/student_registry.rs:75:8 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_day11_exercises` is never used [INFO] [stdout] --> src/day11/mod.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn run_day11_exercises() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `safe_add` is never used [INFO] [stdout] --> src/day11/calculator_chaining.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn safe_add(_a: i32, _b: i32) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `safe_multiply` is never used [INFO] [stdout] --> src/day11/calculator_chaining.rs:33:4 [INFO] [stdout] | [INFO] [stdout] 33 | fn safe_multiply(_a: i32, _b: i32) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `safe_divide` is never used [INFO] [stdout] --> src/day11/calculator_chaining.rs:39:4 [INFO] [stdout] | [INFO] [stdout] 39 | fn safe_divide(_a: i32, _b: i32) -> Result { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `calculate_formula` is never used [INFO] [stdout] --> src/day11/calculator_chaining.rs:48:4 [INFO] [stdout] | [INFO] [stdout] 48 | fn calculate_formula(_a: i32, _b: i32, _c: i32) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day11/calculator_chaining.rs:54:8 [INFO] [stdout] | [INFO] [stdout] 54 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `DataError` is never used [INFO] [stdout] --> src/day11/data_pipeline.rs:38:6 [INFO] [stdout] | [INFO] [stdout] 38 | enum DataError { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_raw_data` is never used [INFO] [stdout] --> src/day11/data_pipeline.rs:47:4 [INFO] [stdout] | [INFO] [stdout] 47 | fn read_raw_data(_id: u32) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parse_numbers` is never used [INFO] [stdout] --> src/day11/data_pipeline.rs:67:4 [INFO] [stdout] | [INFO] [stdout] 67 | fn parse_numbers(_raw: &str) -> Result, DataError> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `validate_numbers` is never used [INFO] [stdout] --> src/day11/data_pipeline.rs:75:4 [INFO] [stdout] | [INFO] [stdout] 75 | fn validate_numbers(_numbers: &[i32]) -> Result<(), DataError> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `calculate_average` is never used [INFO] [stdout] --> src/day11/data_pipeline.rs:85:4 [INFO] [stdout] | [INFO] [stdout] 85 | fn calculate_average(_numbers: &[i32]) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process_data_pipeline` is never used [INFO] [stdout] --> src/day11/data_pipeline.rs:97:4 [INFO] [stdout] | [INFO] [stdout] 97 | fn process_data_pipeline(_id: u32) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day11/data_pipeline.rs:104:8 [INFO] [stdout] | [INFO] [stdout] 104 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `RegistrationError` is never used [INFO] [stdout] --> src/day11/user_registration.rs:41:6 [INFO] [stdout] | [INFO] [stdout] 41 | enum RegistrationError { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `validate_email` is never used [INFO] [stdout] --> src/day11/user_registration.rs:58:4 [INFO] [stdout] | [INFO] [stdout] 58 | fn validate_email(_email: &str) -> Result<(), RegistrationError> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `validate_password` is never used [INFO] [stdout] --> src/day11/user_registration.rs:66:4 [INFO] [stdout] | [INFO] [stdout] 66 | fn validate_password(_password: &str) -> Result<(), RegistrationError> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `validate_age` is never used [INFO] [stdout] --> src/day11/user_registration.rs:74:4 [INFO] [stdout] | [INFO] [stdout] 74 | fn validate_age(_age: u8) -> Result<(), RegistrationError> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `register_user` is never used [INFO] [stdout] --> src/day11/user_registration.rs:87:4 [INFO] [stdout] | [INFO] [stdout] 87 | fn register_user( [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day11/user_registration.rs:104:8 [INFO] [stdout] | [INFO] [stdout] 104 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_day12_exercises` is never used [INFO] [stdout] --> src/day12/mod.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn run_day12_exercises() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `add`, `get`, `remove`, `len`, and `is_empty` are never used [INFO] [stdout] --> src/day12/generic_storage.rs:43:8 [INFO] [stdout] | [INFO] [stdout] 42 | impl Storage { [INFO] [stdout] | ------------------ associated items in this implementation [INFO] [stdout] 43 | fn new() -> Storage { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | fn add(&mut self, _item: T) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | fn get(&self, _index: usize) -> Option<&T> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 55 | fn remove(&mut self, _index: usize) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 63 | fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 67 | fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `display_all` is never used [INFO] [stdout] --> src/day12/generic_storage.rs:74:8 [INFO] [stdout] | [INFO] [stdout] 73 | impl Storage { [INFO] [stdout] | ------------------------------------- method in this implementation [INFO] [stdout] 74 | fn display_all(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day12/generic_storage.rs:81:8 [INFO] [stdout] | [INFO] [stdout] 81 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_type_and_value` is never used [INFO] [stdout] --> src/day12/generic_utilities.rs:26:4 [INFO] [stdout] | [INFO] [stdout] 26 | fn print_type_and_value(_value: T) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_last` is never used [INFO] [stdout] --> src/day12/generic_utilities.rs:32:4 [INFO] [stdout] | [INFO] [stdout] 32 | fn get_last(_list: &[T]) -> Option<&T> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `swap_pair` is never used [INFO] [stdout] --> src/day12/generic_utilities.rs:37:4 [INFO] [stdout] | [INFO] [stdout] 37 | fn swap_pair(_pair: (T, T)) -> (T, T) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_index` is never used [INFO] [stdout] --> src/day12/generic_utilities.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn find_index(_list: &[T], _target: &T) -> Option { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day12/generic_utilities.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `get`, `unwrap`, and `map` are never used [INFO] [stdout] --> src/day12/wrapper_struct.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 37 | impl Wrapper { [INFO] [stdout] | ------------------ associated items in this implementation [INFO] [stdout] 38 | fn new(_value: T) -> Wrapper { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | fn get(&self) -> &T { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | fn unwrap(self) -> T { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 50 | fn map(self, _f: F) -> Wrapper [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `display` is never used [INFO] [stdout] --> src/day12/wrapper_struct.rs:62:8 [INFO] [stdout] | [INFO] [stdout] 61 | impl Wrapper { [INFO] [stdout] | ------------------------------------- method in this implementation [INFO] [stdout] 62 | fn display(&self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day12/wrapper_struct.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 67 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_day13_exercises` is never used [INFO] [stdout] --> src/day13/mod.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn run_day13_exercises() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Product` is never constructed [INFO] [stdout] --> src/day13/comparable_product.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 27 | struct Product { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_cheapest` is never used [INFO] [stdout] --> src/day13/comparable_product.rs:40:4 [INFO] [stdout] | [INFO] [stdout] 40 | fn find_cheapest(items: &[T]) -> &T { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_most_expensive` is never used [INFO] [stdout] --> src/day13/comparable_product.rs:45:4 [INFO] [stdout] | [INFO] [stdout] 45 | fn find_most_expensive(items: &[T]) -> &T { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day13/comparable_product.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Container` is never constructed [INFO] [stdout] --> src/day13/conditional_methods.rs:29:8 [INFO] [stdout] | [INFO] [stdout] 29 | struct Container { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/day13/conditional_methods.rs:35:8 [INFO] [stdout] | [INFO] [stdout] 34 | impl Container { [INFO] [stdout] | -------------------- associated function in this implementation [INFO] [stdout] 35 | fn new(value: T) -> Container { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `duplicate` is never used [INFO] [stdout] --> src/day13/conditional_methods.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 41 | impl Container { [INFO] [stdout] | --------------------------- method in this implementation [INFO] [stdout] 42 | fn duplicate(&self) -> (T, T) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_greater_than` is never used [INFO] [stdout] --> src/day13/conditional_methods.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 48 | impl Container { [INFO] [stdout] | -------------------------------- method in this implementation [INFO] [stdout] 49 | fn is_greater_than(&self, other: &T) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `display` is never used [INFO] [stdout] --> src/day13/conditional_methods.rs:56:8 [INFO] [stdout] | [INFO] [stdout] 55 | impl Container { [INFO] [stdout] | ----------------------------- method in this implementation [INFO] [stdout] 56 | fn display(&self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day13/conditional_methods.rs:61:8 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Logger` is never used [INFO] [stdout] --> src/day13/logging_system.rs:29:7 [INFO] [stdout] | [INFO] [stdout] 29 | trait Logger { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ConsoleLogger` is never constructed [INFO] [stdout] --> src/day13/logging_system.rs:40:8 [INFO] [stdout] | [INFO] [stdout] 40 | struct ConsoleLogger; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `FileLogger` is never constructed [INFO] [stdout] --> src/day13/logging_system.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | struct FileLogger { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `log_multiple` is never used [INFO] [stdout] --> src/day13/logging_system.rs:63:4 [INFO] [stdout] | [INFO] [stdout] 63 | fn log_multiple(logger: &T, messages: &[&str]) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day13/logging_system.rs:69:8 [INFO] [stdout] | [INFO] [stdout] 69 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Shape` is never used [INFO] [stdout] --> src/day13/shape_trait.rs:28:7 [INFO] [stdout] | [INFO] [stdout] 28 | trait Shape { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Rectangle` is never constructed [INFO] [stdout] --> src/day13/shape_trait.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 34 | struct Rectangle { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Circle` is never constructed [INFO] [stdout] --> src/day13/shape_trait.rs:50:8 [INFO] [stdout] | [INFO] [stdout] 50 | struct Circle { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_shape_info` is never used [INFO] [stdout] --> src/day13/shape_trait.rs:65:4 [INFO] [stdout] | [INFO] [stdout] 65 | fn print_shape_info(shape: &T) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day13/shape_trait.rs:70:8 [INFO] [stdout] | [INFO] [stdout] 70 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_day14_exercises` is never used [INFO] [stdout] --> src/day14/mod.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn run_day14_exercises() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `LibraryError` is never used [INFO] [stdout] --> src/day14/library_system.rs:54:6 [INFO] [stdout] | [INFO] [stdout] 54 | enum LibraryError { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Displayable` is never used [INFO] [stdout] --> src/day14/library_system.rs:61:7 [INFO] [stdout] | [INFO] [stdout] 61 | trait Displayable { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Book` is never constructed [INFO] [stdout] --> src/day14/library_system.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 67 | struct Book { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Library` is never constructed [INFO] [stdout] --> src/day14/library_system.rs:88:8 [INFO] [stdout] | [INFO] [stdout] 88 | struct Library { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `add_book`, `get_book`, `remove_book`, `list_all_books`, and `count` are never used [INFO] [stdout] --> src/day14/library_system.rs:94:8 [INFO] [stdout] | [INFO] [stdout] 93 | impl Library { [INFO] [stdout] | --------------------------------------- associated items in this implementation [INFO] [stdout] 94 | fn new() -> Library { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 100 | fn add_book(&mut self, id: u32, book: T) -> Result<(), LibraryError> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 108 | fn get_book(&self, id: u32) -> Result<&T, LibraryError> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 112 | fn remove_book(&mut self, id: u32) -> Result { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 116 | fn list_all_books(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 123 | fn count(&self) -> usize { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day14/library_system.rs:128:8 [INFO] [stdout] | [INFO] [stdout] 128 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static `CURRENT_TIME` is never used [INFO] [stdout] --> src/day14/cache_system.rs:54:12 [INFO] [stdout] | [INFO] [stdout] 54 | static mut CURRENT_TIME: u64 = 0; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_current_time` is never used [INFO] [stdout] --> src/day14/cache_system.rs:56:4 [INFO] [stdout] | [INFO] [stdout] 56 | fn get_current_time() -> u64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `advance_time` is never used [INFO] [stdout] --> src/day14/cache_system.rs:60:4 [INFO] [stdout] | [INFO] [stdout] 60 | fn advance_time(seconds: u64) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `CacheError` is never used [INFO] [stdout] --> src/day14/cache_system.rs:68:6 [INFO] [stdout] | [INFO] [stdout] 68 | enum CacheError { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Cacheable` is never used [INFO] [stdout] --> src/day14/cache_system.rs:74:7 [INFO] [stdout] | [INFO] [stdout] 74 | trait Cacheable { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CachedValue` is never constructed [INFO] [stdout] --> src/day14/cache_system.rs:79:8 [INFO] [stdout] | [INFO] [stdout] 79 | struct CachedValue { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Cache` is never constructed [INFO] [stdout] --> src/day14/cache_system.rs:93:8 [INFO] [stdout] | [INFO] [stdout] 93 | struct Cache { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `set`, `get`, `remove`, `clear`, and `size` are never used [INFO] [stdout] --> src/day14/cache_system.rs:100:8 [INFO] [stdout] | [INFO] [stdout] 99 | impl Cache { [INFO] [stdout] | ----------------------- associated items in this implementation [INFO] [stdout] 100 | fn new() -> Cache { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 106 | fn set(&mut self, key: String, value: T, ttl: u64) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 117 | fn get(&self, key: &str) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 130 | fn remove(&mut self, key: &str) -> Result { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 143 | fn clear(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 147 | fn size(&self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day14/cache_system.rs:152:8 [INFO] [stdout] | [INFO] [stdout] 152 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_day15_exercises` is never used [INFO] [stdout] --> src/day15/mod.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn run_day15_exercises() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Container` is never used [INFO] [stdout] --> src/day15/associated_types_container.rs:24:7 [INFO] [stdout] | [INFO] [stdout] 24 | trait Container { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `VecContainer` is never constructed [INFO] [stdout] --> src/day15/associated_types_container.rs:31:8 [INFO] [stdout] | [INFO] [stdout] 31 | struct VecContainer { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `StringContainer` is never constructed [INFO] [stdout] --> src/day15/associated_types_container.rs:53:8 [INFO] [stdout] | [INFO] [stdout] 53 | struct StringContainer { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_container` is never used [INFO] [stdout] --> src/day15/associated_types_container.rs:75:4 [INFO] [stdout] | [INFO] [stdout] 75 | fn print_container(container: &impl Container) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day15/associated_types_container.rs:79:8 [INFO] [stdout] | [INFO] [stdout] 79 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Point` is never constructed [INFO] [stdout] --> src/day15/default_type_params.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 25 | struct Point { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/day15/default_type_params.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 31 | impl Point { [INFO] [stdout] | ---------------- associated function in this implementation [INFO] [stdout] 32 | fn new(x: T, y: T) -> Point { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `display` is never used [INFO] [stdout] --> src/day15/default_type_params.rs:51:8 [INFO] [stdout] | [INFO] [stdout] 50 | impl Point { [INFO] [stdout] | ----------------------------------- method in this implementation [INFO] [stdout] 51 | fn display(&self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day15/default_type_params.rs:56:8 [INFO] [stdout] | [INFO] [stdout] 56 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Notification` is never used [INFO] [stdout] --> src/day15/trait_objects_notification.rs:39:7 [INFO] [stdout] | [INFO] [stdout] 39 | trait Notification { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `EmailNotification` is never constructed [INFO] [stdout] --> src/day15/trait_objects_notification.rs:44:8 [INFO] [stdout] | [INFO] [stdout] 44 | struct EmailNotification { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SmsNotification` is never constructed [INFO] [stdout] --> src/day15/trait_objects_notification.rs:56:8 [INFO] [stdout] | [INFO] [stdout] 56 | struct SmsNotification { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `PushNotification` is never constructed [INFO] [stdout] --> src/day15/trait_objects_notification.rs:66:8 [INFO] [stdout] | [INFO] [stdout] 66 | struct PushNotification { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `NotificationService` is never constructed [INFO] [stdout] --> src/day15/trait_objects_notification.rs:78:8 [INFO] [stdout] | [INFO] [stdout] 78 | struct NotificationService { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `add_channel`, and `broadcast` are never used [INFO] [stdout] --> src/day15/trait_objects_notification.rs:84:8 [INFO] [stdout] | [INFO] [stdout] 83 | impl NotificationService { [INFO] [stdout] | ------------------------ associated items in this implementation [INFO] [stdout] 84 | fn new() -> NotificationService { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 90 | fn add_channel(&mut self, channel: Box) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 94 | fn broadcast(&self, message: &str) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day15/trait_objects_notification.rs:101:8 [INFO] [stdout] | [INFO] [stdout] 101 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Processor` is never used [INFO] [stdout] --> src/day15/combined_processor.rs:34:7 [INFO] [stdout] | [INFO] [stdout] 34 | trait Processor { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `UppercaseProcessor` is never constructed [INFO] [stdout] --> src/day15/combined_processor.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 42 | struct UppercaseProcessor; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LengthProcessor` is never constructed [INFO] [stdout] --> src/day15/combined_processor.rs:55:8 [INFO] [stdout] | [INFO] [stdout] 55 | struct LengthProcessor; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `DoubleProcessor` is never constructed [INFO] [stdout] --> src/day15/combined_processor.rs:68:8 [INFO] [stdout] | [INFO] [stdout] 68 | struct DoubleProcessor; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day15/combined_processor.rs:80:8 [INFO] [stdout] | [INFO] [stdout] 80 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_day16_exercises` is never used [INFO] [stdout] --> src/day16/mod.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn run_day16_exercises() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Context` is never constructed [INFO] [stdout] --> src/day16/complex_lifetimes.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 28 | struct Context<'a, 'b> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `title`, `body`, and `display` are never used [INFO] [stdout] --> src/day16/complex_lifetimes.rs:35:8 [INFO] [stdout] | [INFO] [stdout] 34 | impl<'a, 'b> Context<'a, 'b> { [INFO] [stdout] | ---------------------------- associated items in this implementation [INFO] [stdout] 35 | fn new(title: &'a str, body: &'b str) -> Context<'a, 'b> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | fn title(&self) -> &'a str { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | fn body(&self) -> &'b str { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | fn display(&self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `create_summary` is never used [INFO] [stdout] --> src/day16/complex_lifetimes.rs:53:4 [INFO] [stdout] | [INFO] [stdout] 53 | fn create_summary<'a>(ctx: &Context<'a, '_>) -> &'a str { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day16/complex_lifetimes.rs:57:8 [INFO] [stdout] | [INFO] [stdout] 57 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `longest` is never used [INFO] [stdout] --> src/day16/lifetime_basics.rs:20:4 [INFO] [stdout] | [INFO] [stdout] 20 | fn longest<'a>(x: &'a str, y: &'a str) -> &'a str { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `first` is never used [INFO] [stdout] --> src/day16/lifetime_basics.rs:25:4 [INFO] [stdout] | [INFO] [stdout] 25 | fn first<'a>(x: &'a str, y: &str) -> &'a str { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `contains_substring` is never used [INFO] [stdout] --> src/day16/lifetime_basics.rs:30:4 [INFO] [stdout] | [INFO] [stdout] 30 | fn contains_substring<'a>(text: &'a str, pattern: &str) -> Option<&'a str> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day16/lifetime_basics.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TextSlice` is never constructed [INFO] [stdout] --> src/day16/lifetime_struct.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 28 | struct TextSlice<'a> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `text`, `len`, and `concat` are never used [INFO] [stdout] --> src/day16/lifetime_struct.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 35 | impl<'a> TextSlice<'a> { [INFO] [stdout] | ---------------------- associated items in this implementation [INFO] [stdout] 36 | fn new(content: &'a str, start: usize, end: usize) -> TextSlice<'a> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 44 | fn text(&self) -> &str { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 48 | fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 52 | fn concat(&self, other: &str) -> String { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day16/lifetime_struct.rs:57:8 [INFO] [stdout] | [INFO] [stdout] 57 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Parser` is never constructed [INFO] [stdout] --> src/day16/parser_struct.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 32 | struct Parser<'a> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `current_char`, `advance`, `remaining`, and `is_finished` are never used [INFO] [stdout] --> src/day16/parser_struct.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 38 | impl<'a> Parser<'a> { [INFO] [stdout] | ------------------- associated items in this implementation [INFO] [stdout] 39 | fn new(input: &'a str) -> Parser<'a> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | fn current_char(&self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | fn advance(&mut self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | fn remaining(&self) -> &str { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 55 | fn is_finished(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day16/parser_struct.rs:60:8 [INFO] [stdout] | [INFO] [stdout] 60 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_day17_exercises` is never used [INFO] [stdout] --> src/day17/mod.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn run_day17_exercises() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `List` is never used [INFO] [stdout] --> src/day17/box_linked_list.rs:30:6 [INFO] [stdout] | [INFO] [stdout] 30 | enum List { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `prepend`, `len`, and `stringify` are never used [INFO] [stdout] --> src/day17/box_linked_list.rs:37:8 [INFO] [stdout] | [INFO] [stdout] 36 | impl List { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 37 | fn new() -> List { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 41 | fn prepend(self, value: i32) -> List { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 52 | fn stringify(&self) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day17/box_linked_list.rs:62:8 [INFO] [stdout] | [INFO] [stdout] 62 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Task` is never constructed [INFO] [stdout] --> src/day17/rc_refcell_shared_mutable.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | struct Task { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TaskManager` is never constructed [INFO] [stdout] --> src/day17/rc_refcell_shared_mutable.rs:48:8 [INFO] [stdout] | [INFO] [stdout] 48 | struct TaskManager { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `add_task`, `complete_task`, `list_tasks`, and `completed_count` are never used [INFO] [stdout] --> src/day17/rc_refcell_shared_mutable.rs:54:8 [INFO] [stdout] | [INFO] [stdout] 53 | impl TaskManager { [INFO] [stdout] | ---------------- associated items in this implementation [INFO] [stdout] 54 | fn new() -> TaskManager { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 58 | fn add_task(&mut self, id: u32, description: String) -> Rc> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 68 | fn complete_task(&self, task: &Rc>) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 72 | fn list_tasks(&self) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 80 | fn completed_count(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day17/rc_refcell_shared_mutable.rs:88:8 [INFO] [stdout] | [INFO] [stdout] 88 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/day17/rc_shared_data.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 36 | struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Graph` is never constructed [INFO] [stdout] --> src/day17/rc_shared_data.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | struct Graph { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `add_node`, `node_count`, and `total_references` are never used [INFO] [stdout] --> src/day17/rc_shared_data.rs:47:8 [INFO] [stdout] | [INFO] [stdout] 46 | impl Graph { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 47 | fn new() -> Graph { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | fn add_node(&mut self, value: i32) -> Rc { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 57 | fn node_count(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 61 | fn total_references(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day17/rc_shared_data.rs:66:8 [INFO] [stdout] | [INFO] [stdout] 66 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Counter` is never constructed [INFO] [stdout] --> src/day17/refcell_interior_mutability.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 28 | struct Counter { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `increment`, `get`, and `reset` are never used [INFO] [stdout] --> src/day17/refcell_interior_mutability.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 33 | impl Counter { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 34 | fn new() -> Counter { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 40 | fn increment(&self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | fn get(&self) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | fn reset(&self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day17/refcell_interior_mutability.rs:54:8 [INFO] [stdout] | [INFO] [stdout] 54 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_day18_exercises` is never used [INFO] [stdout] --> src/day18/mod.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn run_day18_exercises() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `create_threads` is never used [INFO] [stdout] --> src/day18/basic_threads.rs:20:4 [INFO] [stdout] | [INFO] [stdout] 20 | fn create_threads(count: u32) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `wait_all` is never used [INFO] [stdout] --> src/day18/basic_threads.rs:31:4 [INFO] [stdout] | [INFO] [stdout] 31 | fn wait_all(handles: Vec>) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day18/basic_threads.rs:35:8 [INFO] [stdout] | [INFO] [stdout] 35 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Task` is never constructed [INFO] [stdout] --> src/day18/channel_messaging.rs:29:8 [INFO] [stdout] | [INFO] [stdout] 29 | struct Task { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TaskResult` is never constructed [INFO] [stdout] --> src/day18/channel_messaging.rs:35:8 [INFO] [stdout] | [INFO] [stdout] 35 | struct TaskResult { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process_tasks` is never used [INFO] [stdout] --> src/day18/channel_messaging.rs:41:4 [INFO] [stdout] | [INFO] [stdout] 41 | fn process_tasks(tasks: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day18/channel_messaging.rs:61:8 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Counter` is never constructed [INFO] [stdout] --> src/day18/mutex_counter.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 32 | struct Counter { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `increment`, `decrement`, and `get` are never used [INFO] [stdout] --> src/day18/mutex_counter.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 38 | impl Counter { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 39 | fn new() -> Arc { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | fn increment(&self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 50 | fn decrement(&self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 55 | fn get(&self) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parallel_increments` is never used [INFO] [stdout] --> src/day18/mutex_counter.rs:61:4 [INFO] [stdout] | [INFO] [stdout] 61 | fn parallel_increments(counter: Arc, threads: u32, increments_per_thread: u32) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day18/mutex_counter.rs:79:8 [INFO] [stdout] | [INFO] [stdout] 79 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Message` is never used [INFO] [stdout] --> src/day18/producer_consumer.rs:33:6 [INFO] [stdout] | [INFO] [stdout] 33 | enum Message { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `producer` is never used [INFO] [stdout] --> src/day18/producer_consumer.rs:39:4 [INFO] [stdout] | [INFO] [stdout] 39 | fn producer(id: u32, tx: mpsc::Sender, count: u32) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `consumer` is never used [INFO] [stdout] --> src/day18/producer_consumer.rs:47:4 [INFO] [stdout] | [INFO] [stdout] 47 | fn consumer(rx: mpsc::Receiver) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_producer_consumer` is never used [INFO] [stdout] --> src/day18/producer_consumer.rs:61:4 [INFO] [stdout] | [INFO] [stdout] 61 | fn run_producer_consumer(producer_count: u32, messages_per_producer: u32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day18/producer_consumer.rs:85:8 [INFO] [stdout] | [INFO] [stdout] 85 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_day20_exercises` is never used [INFO] [stdout] --> src/day20/mod.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn run_day20_exercises() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `compute` is never used [INFO] [stdout] --> src/day20/tokio_spawn_parallel.rs:20:10 [INFO] [stdout] | [INFO] [stdout] 20 | async fn compute(id: u32, duration_ms: u64) -> u32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parallel_compute` is never used [INFO] [stdout] --> src/day20/tokio_spawn_parallel.rs:26:10 [INFO] [stdout] | [INFO] [stdout] 26 | async fn parallel_compute(tasks: Vec<(u32, u64)>) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day20/tokio_spawn_parallel.rs:42:14 [INFO] [stdout] | [INFO] [stdout] 42 | pub async fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `ProcessError` is never used [INFO] [stdout] --> src/day20/async_error_handling.rs:30:6 [INFO] [stdout] | [INFO] [stdout] 30 | enum ProcessError { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process_with_validation` is never used [INFO] [stdout] --> src/day20/async_error_handling.rs:37:10 [INFO] [stdout] | [INFO] [stdout] 37 | async fn process_with_validation(value: i32) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process_with_timeout` is never used [INFO] [stdout] --> src/day20/async_error_handling.rs:52:10 [INFO] [stdout] | [INFO] [stdout] 52 | async fn process_with_timeout(value: i32, timeout_ms: u64) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process_batch` is never used [INFO] [stdout] --> src/day20/async_error_handling.rs:66:10 [INFO] [stdout] | [INFO] [stdout] 66 | async fn process_batch(values: Vec) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day20/async_error_handling.rs:83:14 [INFO] [stdout] | [INFO] [stdout] 83 | pub async fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ApiResponse` is never constructed [INFO] [stdout] --> src/day20/http_client_simulator.rs:37:8 [INFO] [stdout] | [INFO] [stdout] 37 | struct ApiResponse { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `HttpClient` is never constructed [INFO] [stdout] --> src/day20/http_client_simulator.rs:43:8 [INFO] [stdout] | [INFO] [stdout] 43 | struct HttpClient; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `get`, and `post` are never used [INFO] [stdout] --> src/day20/http_client_simulator.rs:47:8 [INFO] [stdout] | [INFO] [stdout] 46 | impl HttpClient { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] 47 | fn new() -> HttpClient { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | async fn get(&self, url: &str) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 63 | async fn post(&self, url: &str, body: &str) -> Result { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `fetch_multiple` is never used [INFO] [stdout] --> src/day20/http_client_simulator.rs:79:10 [INFO] [stdout] | [INFO] [stdout] 79 | async fn fetch_multiple(urls: Vec) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day20/http_client_simulator.rs:98:14 [INFO] [stdout] | [INFO] [stdout] 98 | pub async fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `unreliable_operation` is never used [INFO] [stdout] --> src/day20/retry_logic.rs:32:10 [INFO] [stdout] | [INFO] [stdout] 32 | async fn unreliable_operation(id: u32, fail_count: &mut u32) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `retry_operation` is never used [INFO] [stdout] --> src/day20/retry_logic.rs:45:10 [INFO] [stdout] | [INFO] [stdout] 45 | async fn retry_operation( [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process_with_retry` is never used [INFO] [stdout] --> src/day20/retry_logic.rs:71:10 [INFO] [stdout] | [INFO] [stdout] 71 | async fn process_with_retry(id: u32) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day20/retry_logic.rs:90:14 [INFO] [stdout] | [INFO] [stdout] 90 | pub async fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_balance` is never used [INFO] [stdout] --> src/day5/bank_account.rs:63:8 [INFO] [stdout] | [INFO] [stdout] 35 | impl BankAccount { [INFO] [stdout] | ---------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 63 | fn get_balance(&self) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_day7_exercises` is never used [INFO] [stdout] --> src/day7/mod.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn run_day7_exercises() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `TodoStatus` is never used [INFO] [stdout] --> src/day7/todo_system.rs:77:6 [INFO] [stdout] | [INFO] [stdout] 77 | enum TodoStatus { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Todo` is never constructed [INFO] [stdout] --> src/day7/todo_system.rs:87:8 [INFO] [stdout] | [INFO] [stdout] 87 | struct Todo { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `start`, `complete`, `is_completed`, and `status_text` are never used [INFO] [stdout] --> src/day7/todo_system.rs:97:8 [INFO] [stdout] | [INFO] [stdout] 95 | impl Todo { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 96 | // TODO: new 메서드 구현 [INFO] [stdout] 97 | fn new(id: u32, title: String, description: String) -> Todo { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 107 | fn start(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 112 | fn complete(&mut self) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 117 | fn is_completed(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 125 | fn status_text(&self) -> &str { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TodoList` is never constructed [INFO] [stdout] --> src/day7/todo_system.rs:136:8 [INFO] [stdout] | [INFO] [stdout] 136 | struct TodoList { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/day7/todo_system.rs:145:8 [INFO] [stdout] | [INFO] [stdout] 143 | impl TodoList { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] 144 | // TODO: new 메서드 구현 [INFO] [stdout] 145 | fn new() -> TodoList { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 152 | fn add(&mut self, title: String, description: String) -> u32 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 160 | fn get(&self, id: u32) -> Option<&Todo> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 165 | fn get_mut(&mut self, id: u32) -> Option<&mut Todo> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 169 | fn remove(&mut self, id: u32) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 179 | fn list_all(&self) -> &Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 183 | fn list_by_status(&self, status: TodoStatus) -> Vec<&Todo> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 191 | fn count_by_status(&self, status: TodoStatus) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day7/todo_system.rs:199:8 [INFO] [stdout] | [INFO] [stdout] 199 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_day8_exercises` is never used [INFO] [stdout] --> src/day8/mod.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn run_day8_exercises() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day8/calculator_module.rs:54:8 [INFO] [stdout] | [INFO] [stdout] 54 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `add` is never used [INFO] [stdout] --> src/day8/calculator_module.rs:26:16 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn add(a: f64, b: f64) -> f64 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `subtract` is never used [INFO] [stdout] --> src/day8/calculator_module.rs:29:16 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn subtract(a: f64, b: f64) -> f64 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `multiply` is never used [INFO] [stdout] --> src/day8/calculator_module.rs:32:16 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn multiply(a: f64, b: f64) -> f64 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `divide` is never used [INFO] [stdout] --> src/day8/calculator_module.rs:35:16 [INFO] [stdout] | [INFO] [stdout] 35 | pub fn divide(a: f64, b: f64) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `power` is never used [INFO] [stdout] --> src/day8/calculator_module.rs:44:16 [INFO] [stdout] | [INFO] [stdout] 44 | pub fn power(base: f64, exponent: f64) -> f64 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `square_root` is never used [INFO] [stdout] --> src/day8/calculator_module.rs:48:16 [INFO] [stdout] | [INFO] [stdout] 48 | pub fn square_root(x: f64) -> Option { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day8/config_management.rs:55:8 [INFO] [stdout] | [INFO] [stdout] 55 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `AppConfig` is never constructed [INFO] [stdout] --> src/day8/config_management.rs:29:16 [INFO] [stdout] | [INFO] [stdout] 29 | pub struct AppConfig { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `get_app_name`, and `enable_debug` are never used [INFO] [stdout] --> src/day8/config_management.rs:37:16 [INFO] [stdout] | [INFO] [stdout] 36 | impl AppConfig { [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] 37 | pub fn new(app_name: String, version: String) -> AppConfig { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | pub fn get_app_name(&self) -> &str { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | pub fn enable_debug(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day8/library_system.rs:48:8 [INFO] [stdout] | [INFO] [stdout] 48 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Book` is never constructed [INFO] [stdout] --> src/day8/library_system.rs:24:20 [INFO] [stdout] | [INFO] [stdout] 24 | pub struct Book { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `create_book` is never used [INFO] [stdout] --> src/day8/library_system.rs:29:16 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn create_book(title: String, author: String) -> Book { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Member` is never constructed [INFO] [stdout] --> src/day8/library_system.rs:37:20 [INFO] [stdout] | [INFO] [stdout] 37 | pub struct Member { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `create_member` is never used [INFO] [stdout] --> src/day8/library_system.rs:42:16 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn create_member(name: String, id: u32) -> Member { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_day9_exercises` is never used [INFO] [stdout] --> src/day9/mod.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn run_day9_exercises() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `PhoneBook` is never constructed [INFO] [stdout] --> src/day9/phone_book.rs:31:8 [INFO] [stdout] | [INFO] [stdout] 31 | struct PhoneBook { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `add`, `get`, `remove`, and `list_all` are never used [INFO] [stdout] --> src/day9/phone_book.rs:40:8 [INFO] [stdout] | [INFO] [stdout] 38 | impl PhoneBook { [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] 39 | // TODO: new 메서드를 구현하세요 [INFO] [stdout] 40 | fn new() -> PhoneBook { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | fn add(&mut self, _name: String, _phone: String) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 52 | fn get(&self, _name: &str) -> Option<&String> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 57 | fn remove(&mut self, _name: &str) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 62 | fn list_all(&self) -> Vec<(&String, &String)> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day9/phone_book.rs:75:8 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `calculate_average` is never used [INFO] [stdout] --> src/day9/student_grades.rs:26:4 [INFO] [stdout] | [INFO] [stdout] 26 | fn calculate_average(_scores: &Vec) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_highest` is never used [INFO] [stdout] --> src/day9/student_grades.rs:36:4 [INFO] [stdout] | [INFO] [stdout] 36 | fn find_highest(_scores: &Vec) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_lowest` is never used [INFO] [stdout] --> src/day9/student_grades.rs:51:4 [INFO] [stdout] | [INFO] [stdout] 51 | fn find_lowest(_scores: &Vec) -> Option { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `filter_passing` is never used [INFO] [stdout] --> src/day9/student_grades.rs:66:4 [INFO] [stdout] | [INFO] [stdout] 66 | fn filter_passing(_scores: &Vec, _passing_score: i32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day9/student_grades.rs:77:8 [INFO] [stdout] | [INFO] [stdout] 77 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `count_words` is never used [INFO] [stdout] --> src/day9/word_frequency.rs:20:4 [INFO] [stdout] | [INFO] [stdout] 20 | fn count_words(_text: &str) -> HashMap { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_most_frequent` is never used [INFO] [stdout] --> src/day9/word_frequency.rs:32:4 [INFO] [stdout] | [INFO] [stdout] 32 | fn find_most_frequent(_word_counts: &HashMap) -> Option<(String, usize)> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/day9/word_frequency.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.85s [INFO] running `Command { std: "docker" "inspect" "7669bd28b9f3f824e3f5cab650fa05d575ad1a81346a0b515aa1d1a7a329b1fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7669bd28b9f3f824e3f5cab650fa05d575ad1a81346a0b515aa1d1a7a329b1fb", kill_on_drop: false }` [INFO] [stdout] 7669bd28b9f3f824e3f5cab650fa05d575ad1a81346a0b515aa1d1a7a329b1fb