[INFO] cloning repository https://github.com/Sithaarth24/rust-practice [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sithaarth24/rust-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSithaarth24%2Frust-practice", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSithaarth24%2Frust-practice'... 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[INFO] started tweaking git repo https://github.com/Sithaarth24/rust-practice [INFO] finished tweaking git repo https://github.com/Sithaarth24/rust-practice [INFO] tweaked toml for git repo https://github.com/Sithaarth24/rust-practice written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Sithaarth24/rust-practice on toolchain b28cc4eb48a6415b914e8ad0308be255ff8d73ed [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Sithaarth24/rust-practice 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" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 05ee365182e937363fffe020e282d3d25d8a4294fef5fd3e3739861da206d61e [INFO] running `Command { std: "docker" "start" "-a" "05ee365182e937363fffe020e282d3d25d8a4294fef5fd3e3739861da206d61e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "05ee365182e937363fffe020e282d3d25d8a4294fef5fd3e3739861da206d61e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "05ee365182e937363fffe020e282d3d25d8a4294fef5fd3e3739861da206d61e", kill_on_drop: false }` [INFO] [stdout] 05ee365182e937363fffe020e282d3d25d8a4294fef5fd3e3739861da206d61e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2959c55aad84411766d8b53b8add7a185d1420f555834ab820beadee6c2c33a7 [INFO] running `Command { std: "docker" "start" "-a" "2959c55aad84411766d8b53b8add7a185d1420f555834ab820beadee6c2c33a7", kill_on_drop: false }` [INFO] [stderr] Checking rust_proj v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `cmp::Ordering::*` [INFO] [stdout] --> src/practice/binary_search_tree.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{cmp::Ordering::*, fmt::Display}; [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: `RefCell` [INFO] [stdout] --> src/practice/timer.rs:1:23 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cell::{Cell, RefCell}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `cell::RefCell` and `self` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | cell::RefCell, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 5 | collections::{self, LinkedList}, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `str_split::*` [INFO] [stdout] --> src/main.rs:8:71 [INFO] [stdout] | [INFO] [stdout] 8 | use crate::{linked_list::*, practice::binary_search_tree::BinaryTree, str_split::*}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `cmp::Ordering::*` [INFO] [stdout] --> src/practice/binary_search_tree.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{cmp::Ordering::*, fmt::Display}; [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: `RefCell` [INFO] [stdout] --> src/practice/timer.rs:1:23 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cell::{Cell, RefCell}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `cell::RefCell` and `self` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | cell::RefCell, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 5 | collections::{self, LinkedList}, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `str_split::*` [INFO] [stdout] --> src/main.rs:8:71 [INFO] [stdout] | [INFO] [stdout] 8 | use crate::{linked_list::*, practice::binary_search_tree::BinaryTree, str_split::*}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/practice/binary_search_tree.rs:59:19 [INFO] [stdout] | [INFO] [stdout] 59 | fn largest_v3(mut root1: N) -> (N, T) { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let mut ll = LinkedList::::new(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/practice/binary_search_tree.rs:43:8 [INFO] [stdout] | [INFO] [stdout] 24 | / impl BinaryTree [INFO] [stdout] 25 | | where [INFO] [stdout] 26 | | T: Copy + PartialOrd + Display, [INFO] [stdout] | |___________________________________- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 43 | fn largest_v4(root: &mut N) -> T { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 59 | fn largest_v3(mut root1: N) -> (N, T) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 74 | unsafe fn largest_v2<'a>(root: *mut Node, parent: *mut Node) -> &'a T { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 86 | fn largest_v1(root: &Box>) -> &T { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 93 | fn delete_node_v2(mut root: Box>, val: &T) -> N { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 129 | fn delete_node_v1(mut root: Box>, val: &T) -> N { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 177 | pub fn delete_v1(&mut self, val: T) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 183 | pub fn delete_v2(&mut self, val: T) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Cache` is never constructed [INFO] [stdout] --> src/practice/cache.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Cache { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `from_vec`, and `get_or_insert` are never used [INFO] [stdout] --> src/practice/cache.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 7 | / impl Cache [INFO] [stdout] 8 | | where [INFO] [stdout] 9 | | K: Eq + Clone + Hash, [INFO] [stdout] 10 | | V: Clone, [INFO] [stdout] | |_____________- associated items in this implementation [INFO] [stdout] 11 | { [INFO] [stdout] 12 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 18 | pub fn from_vec(kv: Vec<(K, V)>) -> Self { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | pub fn get_or_insert(&self, key: K, val: V) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LinkedList` is never constructed [INFO] [stdout] --> src/practice/linked_list.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct LinkedList { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `push`, and `pop` are never used [INFO] [stdout] --> src/practice/linked_list.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 16 | impl LinkedList { [INFO] [stdout] | --------------------- associated items in this implementation [INFO] [stdout] 17 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn push(&mut self, val: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 26 | pub fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `push_front` and `pop_front` are never used [INFO] [stdout] --> src/practice/linked_list.rs:47:12 [INFO] [stdout] | [INFO] [stdout] 40 | impl LinkedListV2 { [INFO] [stdout] | ----------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 47 | pub fn push_front(&mut self, val: T) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 71 | pub fn pop_front(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `StrSplit` is never constructed [INFO] [stdout] --> src/practice/str_split.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 32 | pub struct StrSplit<'a> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/practice/str_split.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 37 | impl<'a> StrSplit<'a> { [INFO] [stdout] | --------------------- associated function in this implementation [INFO] [stdout] 38 | pub fn new(line: Option<&'a str>, ch: char) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `TimerState` is never used [INFO] [stdout] --> src/practice/timer.rs:4:6 [INFO] [stdout] | [INFO] [stdout] 4 | enum TimerState { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Timer` is never constructed [INFO] [stdout] --> src/practice/timer.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct Timer { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `tick`, `toggle_state`, `reset`, `get_ticks`, and `is_running` are never used [INFO] [stdout] --> src/practice/timer.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 14 | impl Timer { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 15 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | pub fn tick(&self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | pub fn toggle_state(&self) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 36 | pub fn reset(&self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 41 | pub fn get_ticks(&self) -> u32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | pub fn is_running(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `User` is never constructed [INFO] [stdout] --> src/practice/user.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct User { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `add_roles` are never used [INFO] [stdout] --> src/practice/user.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 8 | impl User { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 9 | pub fn new(name: String, initial_roles: Vec) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 16 | pub fn add_roles(&self, role: String) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/practice/binary_search_tree.rs:59:19 [INFO] [stdout] | [INFO] [stdout] 59 | fn largest_v3(mut root1: N) -> (N, T) { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let mut ll = LinkedList::::new(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/practice/binary_search_tree.rs:43:8 [INFO] [stdout] | [INFO] [stdout] 24 | / impl BinaryTree [INFO] [stdout] 25 | | where [INFO] [stdout] 26 | | T: Copy + PartialOrd + Display, [INFO] [stdout] | |___________________________________- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 43 | fn largest_v4(root: &mut N) -> T { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 59 | fn largest_v3(mut root1: N) -> (N, T) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 74 | unsafe fn largest_v2<'a>(root: *mut Node, parent: *mut Node) -> &'a T { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 86 | fn largest_v1(root: &Box>) -> &T { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 93 | fn delete_node_v2(mut root: Box>, val: &T) -> N { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 129 | fn delete_node_v1(mut root: Box>, val: &T) -> N { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 177 | pub fn delete_v1(&mut self, val: T) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 183 | pub fn delete_v2(&mut self, val: T) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Cache` is never constructed [INFO] [stdout] --> src/practice/cache.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Cache { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `from_vec`, and `get_or_insert` are never used [INFO] [stdout] --> src/practice/cache.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 7 | / impl Cache [INFO] [stdout] 8 | | where [INFO] [stdout] 9 | | K: Eq + Clone + Hash, [INFO] [stdout] 10 | | V: Clone, [INFO] [stdout] | |_____________- associated items in this implementation [INFO] [stdout] 11 | { [INFO] [stdout] 12 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 18 | pub fn from_vec(kv: Vec<(K, V)>) -> Self { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | pub fn get_or_insert(&self, key: K, val: V) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LinkedList` is never constructed [INFO] [stdout] --> src/practice/linked_list.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct LinkedList { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `push`, and `pop` are never used [INFO] [stdout] --> src/practice/linked_list.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 16 | impl LinkedList { [INFO] [stdout] | --------------------- associated items in this implementation [INFO] [stdout] 17 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn push(&mut self, val: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 26 | pub fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `push_front` and `pop_front` are never used [INFO] [stdout] --> src/practice/linked_list.rs:47:12 [INFO] [stdout] | [INFO] [stdout] 40 | impl LinkedListV2 { [INFO] [stdout] | ----------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 47 | pub fn push_front(&mut self, val: T) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 71 | pub fn pop_front(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `StrSplit` is never constructed [INFO] [stdout] --> src/practice/str_split.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 32 | pub struct StrSplit<'a> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/practice/str_split.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 37 | impl<'a> StrSplit<'a> { [INFO] [stdout] | --------------------- associated function in this implementation [INFO] [stdout] 38 | pub fn new(line: Option<&'a str>, ch: char) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `TimerState` is never used [INFO] [stdout] --> src/practice/timer.rs:4:6 [INFO] [stdout] | [INFO] [stdout] 4 | enum TimerState { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Timer` is never constructed [INFO] [stdout] --> src/practice/timer.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct Timer { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `tick`, `toggle_state`, `reset`, `get_ticks`, and `is_running` are never used [INFO] [stdout] --> src/practice/timer.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 14 | impl Timer { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 15 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | pub fn tick(&self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | pub fn toggle_state(&self) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 36 | pub fn reset(&self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 41 | pub fn get_ticks(&self) -> u32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | pub fn is_running(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `User` is never constructed [INFO] [stdout] --> src/practice/user.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct User { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `add_roles` are never used [INFO] [stdout] --> src/practice/user.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 8 | impl User { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 9 | pub fn new(name: String, initial_roles: Vec) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 16 | pub fn add_roles(&self, role: String) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s [INFO] running `Command { std: "docker" "inspect" "2959c55aad84411766d8b53b8add7a185d1420f555834ab820beadee6c2c33a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2959c55aad84411766d8b53b8add7a185d1420f555834ab820beadee6c2c33a7", kill_on_drop: false }` [INFO] [stdout] 2959c55aad84411766d8b53b8add7a185d1420f555834ab820beadee6c2c33a7