[INFO] cloning repository https://github.com/lristar/hello-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lristar/hello-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flristar%2Fhello-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flristar%2Fhello-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e6ea6a7f6d7e131b47aa0ac5ee38f1ef13188676 [INFO] building lristar/hello-rust against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flristar%2Fhello-rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lristar/hello-rust on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/lristar/hello-rust [INFO] finished tweaking git repo https://github.com/lristar/hello-rust [INFO] tweaked toml for git repo https://github.com/lristar/hello-rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/lristar/hello-rust 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dfbae3b54b919a4c710168d8065c227486206eb75aac8a01ab3774cef9d54df4 [INFO] running `Command { std: "docker" "start" "-a" "dfbae3b54b919a4c710168d8065c227486206eb75aac8a01ab3774cef9d54df4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dfbae3b54b919a4c710168d8065c227486206eb75aac8a01ab3774cef9d54df4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dfbae3b54b919a4c710168d8065c227486206eb75aac8a01ab3774cef9d54df4", kill_on_drop: false }` [INFO] [stdout] dfbae3b54b919a4c710168d8065c227486206eb75aac8a01ab3774cef9d54df4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5a867b4d099c878a91e2ae24c8d6f1c208c57f494555bad4ca36f089176c8a82 [INFO] running `Command { std: "docker" "start" "-a" "5a867b4d099c878a91e2ae24c8d6f1c208c57f494555bad4ca36f089176c8a82", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.117 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling hello_cargo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `ascii::AsciiExt` [INFO] [stdout] --> src/leetcode_test/test_leetcode.rs:60:11 [INFO] [stdout] | [INFO] [stdout] 60 | use std::{ascii::AsciiExt, u8, vec}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `say_hello` [INFO] [stdout] --> src/macro_rule/test_macro_rule.rs:1:14 [INFO] [stdout] | [INFO] [stdout] 1 | macro_rules! say_hello { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `write` [INFO] [stdout] --> src/one_display/test_display.rs:1:22 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt::{self, write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/test/leetcode_test/three_LongestSubstringWithoutRepeatingCharacters_test.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> src/test/leetcode_test/mod.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | pub mod three_LongestSubstringWithoutRepeatingCharacters_test; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/test/leetcode_test/three_LongestSubstringWithoutRepeatingCharacters_test.rs:21:28 [INFO] [stdout] | [INFO] [stdout] 21 | last[v as usize] = (i as i32); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 21 - last[v as usize] = (i as i32); [INFO] [stdout] 21 + last[v as usize] = i as i32; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `f32::consts::E` [INFO] [stdout] --> src/test/nine_error/front_return_error.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{f32::consts::E, num::ParseIntError}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::Error` [INFO] [stdout] --> src/test/nine_error/nine_error.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use rand::Error; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/test/nine_error/nine_error.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/test/seventeen_oop/test_trait_common.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc` [INFO] [stdout] --> src/test/sixteen_thread/test_thread_first.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::sync::mpsc; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/test/sixteen_thread/test_thread_first.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/test/sixteen_thread/test_thread_first.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/test/sixteen_thread/test_shared_concurrency.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Arc` and `Mutex` [INFO] [stdout] --> src/test/sixteen_thread/test_shared_concurrency.rs:2:17 [INFO] [stdout] | [INFO] [stdout] 2 | use std::sync::{Arc, Mutex}; [INFO] [stdout] | ^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/test/sixteen_thread/test_shared_concurrency.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::format` [INFO] [stdout] --> src/test/ten_genericity_trait_/test_trait.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt::format; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time` [INFO] [stdout] --> src/test/thirteen_iters/test_closure.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::time; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/test/thirteen_iters/test_update_io.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> src/test/twelve_cmd/test_cmd_env.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `collections::btree_map::Values` and `fs` [INFO] [stdout] --> src/test/twelve_cmd/test_file.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{fs, collections::btree_map::Values}; [INFO] [stdout] | ^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ptr::NonNull` [INFO] [stdout] --> src/test/twelve_cmd/test_env_vars.rs:1:34 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{env::{self, VarError}, ptr::NonNull}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> src/test/two_three_example/types_test.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> src/test/two_three_example/mod.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | pub mod types_test; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cmp::Ordering` [INFO] [stdout] --> src/test/two_three_example/types_test.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::cmp::Ordering; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> src/test/two_three_example/mod.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | pub mod types_test; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io` [INFO] [stdout] --> src/test/two_three_example/types_test.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> src/test/two_three_example/mod.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | pub mod types_test; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead [INFO] [stdout] --> src/leetcode_test/test_leetcode.rs:60:18 [INFO] [stdout] | [INFO] [stdout] 60 | use std::{ascii::AsciiExt, u8, vec}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/test/eight_collector/test_hashmap.rs:9:13 [INFO] [stdout] | [INFO] [stdout] 9 | let mut hm = HashMap::new(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/test/nine_error/error_map.rs:58:14 [INFO] [stdout] | [INFO] [stdout] 58 | Some(f) => {println!("is delision")}, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `expensive_result` [INFO] [stdout] --> src/test/thirteen_iters/test_closure.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut expensive_result = Cacher::new(|num| { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expensive_result` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `intensity` [INFO] [stdout] --> src/test/thirteen_iters/test_closure.rs:35:21 [INFO] [stdout] | [INFO] [stdout] 35 | fn generate_workout(intensity: u32, random_number: u32) { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_intensity` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `random_number` [INFO] [stdout] --> src/test/thirteen_iters/test_closure.rs:35:37 [INFO] [stdout] | [INFO] [stdout] 35 | fn generate_workout(intensity: u32, random_number: u32) { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_random_number` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/test/thirteen_iters/test_closure.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | let mut expensive_result = Cacher::new(|num| { [INFO] [stdout] | ----^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/test/two_three_example/test_package.rs:5:13 [INFO] [stdout] | [INFO] [stdout] 5 | let x = x * 2; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Parentheses` is never used [INFO] [stdout] --> src/leetcode_test/test_leetcode.rs:62:6 [INFO] [stdout] | [INFO] [stdout] 62 | enum Parentheses { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Brackets` is never used [INFO] [stdout] --> src/leetcode_test/test_leetcode.rs:67:6 [INFO] [stdout] | [INFO] [stdout] 67 | enum Brackets { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `CurlyBrackets` is never used [INFO] [stdout] --> src/leetcode_test/test_leetcode.rs:72:6 [INFO] [stdout] | [INFO] [stdout] 72 | enum CurlyBrackets { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Structure` is never constructed [INFO] [stdout] --> src/one_display/test_display.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | struct Structure(i32); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Point2D` is never constructed [INFO] [stdout] --> src/one_display/test_display.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct Point2D { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `List` is never constructed [INFO] [stdout] --> src/one_display/test_display.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | struct List(Vec); [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `HM` is never constructed [INFO] [stdout] --> src/test/eight_collector/test_hashmap.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct HM { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `test_new`, `test_get_value`, `test_del_value`, `test_add_value`, and `test_get_all` are never used [INFO] [stdout] --> src/test/eight_collector/test_hashmap.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 7 | impl HM { [INFO] [stdout] | ------- associated items in this implementation [INFO] [stdout] 8 | fn test_new() -> HM { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 12 | fn test_get_value(&self, s: i32) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 19 | fn test_del_value(&mut self, s: i32) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | fn test_add_value(&mut self, k: i32, v: String) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | fn test_get_all(&self) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_add_value` is never used [INFO] [stdout] --> src/test/eight_collector/test_hashmap.rs:32:4 [INFO] [stdout] | [INFO] [stdout] 32 | fn test_add_value() -> HM { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_del_value` is never used [INFO] [stdout] --> src/test/eight_collector/test_hashmap.rs:41:4 [INFO] [stdout] | [INFO] [stdout] 41 | fn test_del_value() {} [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `List` is never used [INFO] [stdout] --> src/test/eight_collector/collect_listLink.rs:1:6 [INFO] [stdout] | [INFO] [stdout] 1 | enum List { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `prepend`, `len`, and `stringify` are never used [INFO] [stdout] --> src/test/eight_collector/collect_listLink.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 6 | impl List{ [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 7 | fn new() -> List{ [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 10 | fn prepend(self ,elem: u32) ->List{ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 14 | fn len(&self) -> u32{ [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | fn stringify(&self) ->String{ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> src/test/eight_collector/collect_listLink.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 41 | struct Number { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 42 | value:i32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `List` is never used [INFO] [stdout] --> src/test/fifteen_smart_point/test_box_point.rs:1:6 [INFO] [stdout] | [INFO] [stdout] 1 | enum List { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CustomSmartPointer` is never constructed [INFO] [stdout] --> src/test/fifteen_smart_point/test_drop_point.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct CustomSmartPointer { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `sign_in_count` and `active` are never read [INFO] [stdout] --> src/test/five_struct/struct_test.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct User { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 5 | sign_in_count: u64, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 6 | active: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `User` 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 `no_dangle` is never used [INFO] [stdout] --> src/test/four_owner/test_heap_stack.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn no_dangle() -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `AliasResult` is never used [INFO] [stdout] --> src/test/nine_error/errors_handler.rs:3:6 [INFO] [stdout] | [INFO] [stdout] 3 | type AliasResult = Result; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `double_first` is never used [INFO] [stdout] --> src/test/nine_error/errors_handler.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn double_first(vec: Vec<&str>) -> AliasResult> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `AliasResult` is never used [INFO] [stdout] --> src/test/nine_error/front_return_error.rs:3:6 [INFO] [stdout] | [INFO] [stdout] 3 | type AliasResult = Result; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `multiply` is never used [INFO] [stdout] --> src/test/nine_error/front_return_error.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn multiply(first_number_str: &str, second_number_str: &str) -> AliasResult { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `multiply2` is never used [INFO] [stdout] --> src/test/nine_error/front_return_error.rs:19:4 [INFO] [stdout] | [INFO] [stdout] 19 | fn multiply2(first_number_str: &str, second_number_str: &str) -> AliasResult { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `printf` is never used [INFO] [stdout] --> src/test/nine_error/front_return_error.rs:25:4 [INFO] [stdout] | [INFO] [stdout] 25 | fn printf(result: AliasResult) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_text_from_file` is never used [INFO] [stdout] --> src/test/nine_error/nine_error.rs:45:4 [INFO] [stdout] | [INFO] [stdout] 45 | fn read_text_from_file(path: String) -> io::Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Person` is never constructed [INFO] [stdout] --> src/test/nine_error/nine_error.rs:66:8 [INFO] [stdout] | [INFO] [stdout] 66 | struct Person { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Job` is never constructed [INFO] [stdout] --> src/test/nine_error/nine_error.rs:70:8 [INFO] [stdout] | [INFO] [stdout] 70 | struct Job { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `PhoneNumber` is never constructed [INFO] [stdout] --> src/test/nine_error/nine_error.rs:75:8 [INFO] [stdout] | [INFO] [stdout] 75 | struct PhoneNumber { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `work_phone_area_code` is never used [INFO] [stdout] --> src/test/nine_error/nine_error.rs:81:8 [INFO] [stdout] | [INFO] [stdout] 80 | impl Person { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] 81 | fn work_phone_area_code(&self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `AliasedResult` is never used [INFO] [stdout] --> src/test/nine_error/nine_error.rs:101:6 [INFO] [stdout] | [INFO] [stdout] 101 | type AliasedResult = Result; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `multiply` is never used [INFO] [stdout] --> src/test/nine_error/nine_error.rs:103:4 [INFO] [stdout] | [INFO] [stdout] 103 | fn multiply(first_number_str: &str, second_number_str: &str) -> AliasedResult { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `printf` is never used [INFO] [stdout] --> src/test/nine_error/nine_error.rs:111:4 [INFO] [stdout] | [INFO] [stdout] 111 | fn printf(result: AliasedResult) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Pilot` is never used [INFO] [stdout] --> src/test/nineteen_top_level/test_top_trait.rs:1:7 [INFO] [stdout] | [INFO] [stdout] 1 | trait Pilot { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Wizard` is never used [INFO] [stdout] --> src/test/nineteen_top_level/test_top_trait.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | trait Wizard { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Human` is never constructed [INFO] [stdout] --> src/test/nineteen_top_level/test_top_trait.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | struct Human; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `fly` is never used [INFO] [stdout] --> src/test/nineteen_top_level/test_top_trait.rs:24:6 [INFO] [stdout] | [INFO] [stdout] 23 | impl Human { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] 24 | fn fly(&self) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `returns_closure` is never used [INFO] [stdout] --> src/test/nineteen_top_level/test_top_package.rs:2:4 [INFO] [stdout] | [INFO] [stdout] 2 | fn returns_closure() -> Box i32> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Sheep` is never constructed [INFO] [stdout] --> src/test/nineteen_top_level/test_top_package.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | struct Sheep {} [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Cow` is never constructed [INFO] [stdout] --> src/test/nineteen_top_level/test_top_package.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | struct Cow {} [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Animal` is never used [INFO] [stdout] --> src/test/nineteen_top_level/test_top_package.rs:16:7 [INFO] [stdout] | [INFO] [stdout] 16 | trait Animal { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `random_animal` is never used [INFO] [stdout] --> src/test/nineteen_top_level/test_top_package.rs:32:4 [INFO] [stdout] | [INFO] [stdout] 32 | fn random_animal(random:i32) -> Box{ [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SelectBox` is never constructed [INFO] [stdout] --> src/test/seventeen_oop/test_trait_common.rs:31:8 [INFO] [stdout] | [INFO] [stdout] 31 | struct SelectBox { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `IpAddr` is never used [INFO] [stdout] --> src/test/six_em/enum_test.rs:2:6 [INFO] [stdout] | [INFO] [stdout] 2 | enum IpAddr { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_num` is never used [INFO] [stdout] --> src/test/six_em/enum_test.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 7 | impl IpAddr { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] 8 | fn get_num(&self) -> i8 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Message` is never used [INFO] [stdout] --> src/test/six_em/enum_test.rs:13:6 [INFO] [stdout] | [INFO] [stdout] 13 | enum Message { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Option` is never used [INFO] [stdout] --> src/test/six_em/enum_test.rs:21:6 [INFO] [stdout] | [INFO] [stdout] 21 | enum Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Coin` is never used [INFO] [stdout] --> src/test/six_em/enum_test.rs:26:6 [INFO] [stdout] | [INFO] [stdout] 26 | enum Coin { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `value_in_cents` is never used [INFO] [stdout] --> src/test/six_em/enum_test.rs:33:4 [INFO] [stdout] | [INFO] [stdout] 33 | fn value_in_cents(coin: Coin) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `plus_one` is never used [INFO] [stdout] --> src/test/six_em/enum_test.rs:55:4 [INFO] [stdout] | [INFO] [stdout] 55 | fn plus_one(x: Option) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_one` is never used [INFO] [stdout] --> src/test/six_em/enum_test.rs:62:4 [INFO] [stdout] | [INFO] [stdout] 62 | fn get_one() -> i8 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_two` is never used [INFO] [stdout] --> src/test/six_em/enum_test.rs:66:4 [INFO] [stdout] | [INFO] [stdout] 66 | fn get_two() -> i8 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_three` is never used [INFO] [stdout] --> src/test/six_em/enum_test.rs:70:4 [INFO] [stdout] | [INFO] [stdout] 70 | fn get_three() -> i8 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_other` is never used [INFO] [stdout] --> src/test/six_em/enum_test.rs:74:4 [INFO] [stdout] | [INFO] [stdout] 74 | fn get_other() -> i8 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `select_fn` is never used [INFO] [stdout] --> src/test/six_em/enum_test.rs:78:4 [INFO] [stdout] | [INFO] [stdout] 78 | fn select_fn(x: i8) -> i8 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Point` is never constructed [INFO] [stdout] --> src/test/ten_genericity_trait_/test_genericity.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 27 | struct Point { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `mixup` is never used [INFO] [stdout] --> src/test/ten_genericity_trait_/test_genericity.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 33 | impl Point { [INFO] [stdout] | ---------------------- method in this implementation [INFO] [stdout] 34 | fn mixup(self, other: Point) -> Point { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Empty` is never constructed [INFO] [stdout] --> src/test/ten_genericity_trait_/test_trait.rs:82:8 [INFO] [stdout] | [INFO] [stdout] 82 | struct Empty; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Null` is never constructed [INFO] [stdout] --> src/test/ten_genericity_trait_/test_trait.rs:83:8 [INFO] [stdout] | [INFO] [stdout] 83 | struct Null; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `DoubleDrop` is never used [INFO] [stdout] --> src/test/ten_genericity_trait_/test_trait.rs:85:7 [INFO] [stdout] | [INFO] [stdout] 85 | trait DoubleDrop { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `longest` is never used [INFO] [stdout] --> src/test/ten_genericity_trait_/test_lifetime.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn longest<'a>(x: &'a str, y: &'a str) -> &'a str { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `s` is never used [INFO] [stdout] --> src/test/ten_genericity_trait_/test_lifetime.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | const s: &'static str = "I have a static lifetime."; [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Cacher` is never constructed [INFO] [stdout] --> src/test/thirteen_iters/test_closure.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | struct Cacher [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `value` are never used [INFO] [stdout] --> src/test/thirteen_iters/test_closure.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 12 | / impl Cacher [INFO] [stdout] 13 | | where [INFO] [stdout] 14 | | T: Fn(u32) -> u32, [INFO] [stdout] | |______________________- associated items in this implementation [INFO] [stdout] 15 | { [INFO] [stdout] 16 | fn new(calculation: T) -> Cacher { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | fn value(&mut self, arg: u32) -> u32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `generate_workout` is never used [INFO] [stdout] --> src/test/thirteen_iters/test_closure.rs:35:4 [INFO] [stdout] | [INFO] [stdout] 35 | fn generate_workout(intensity: u32, random_number: u32) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `generate_workout1` is never used [INFO] [stdout] --> src/test/thirteen_iters/test_closure.rs:43:4 [INFO] [stdout] | [INFO] [stdout] 43 | fn generate_workout1(intensity: u32, random_number: u32) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Counter` is never constructed [INFO] [stdout] --> src/test/thirteen_iters/test_iters.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | struct Counter { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/test/thirteen_iters/test_iters.rs:54:6 [INFO] [stdout] | [INFO] [stdout] 53 | impl Counter { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 54 | fn new() -> Counter { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `search` is never used [INFO] [stdout] --> src/test/thirteen_iters/test_update_io.rs:46:4 [INFO] [stdout] | [INFO] [stdout] 46 | fn search<'a>(query: &'a str, contest: &'a str) -> Vec<&'a str> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `search` is never used [INFO] [stdout] --> src/test/twelve_cmd/test_file.rs:32:4 [INFO] [stdout] | [INFO] [stdout] 32 | fn search<'a>(query:& 'a str, contest: & 'a str) -> Vec<& 'a str>{ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `env_vars` is never used [INFO] [stdout] --> src/test/twelve_cmd/test_env_vars.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | fn env_vars(env_name:String) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `curLevel` should have a snake case name [INFO] [stdout] --> src/leetcode_test/test_leetcode.rs:11:25 [INFO] [stdout] | [INFO] [stdout] 11 | let curLevel = priority_of(&a.to_string()); [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `cur_level` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `frontLevel` should have a snake case name [INFO] [stdout] --> src/leetcode_test/test_leetcode.rs:12:25 [INFO] [stdout] | [INFO] [stdout] 12 | let frontLevel = priority_of(&front.to_string()); [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `front_level` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `tailPro` should have a snake case name [INFO] [stdout] --> src/leetcode_test/test_leetcode.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn tailPro() {} [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `tail_pro` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: module `collect_listLink` should have a snake case name [INFO] [stdout] --> src/test/eight_collector/mod.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | mod collect_listLink; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `collect_list_link` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: module `three_LongestSubstringWithoutRepeatingCharacters_test` should have a snake case name [INFO] [stdout] --> src/test/leetcode_test/mod.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | pub mod three_LongestSubstringWithoutRepeatingCharacters_test; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `three_longest_substring_without_repeating_characters_test` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `s` should have an upper case name [INFO] [stdout] --> src/test/ten_genericity_trait_/test_lifetime.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | const s: &'static str = "I have a static lifetime."; [INFO] [stdout] | ^ help: convert the identifier to upper case (notice the capitalization): `S` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> src/main.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let res = easy_one_server::easy_one_server(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `secret_number` [INFO] [stdout] --> src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let secret_number = rand::thread_rng().gen_range(1, 101); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_secret_number` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `NUM` is never used [INFO] [stdout] --> src/main.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | const NUM: u32 = 10; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test` is never used [INFO] [stdout] --> src/main.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | fn test() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.64s [INFO] running `Command { std: "docker" "inspect" "5a867b4d099c878a91e2ae24c8d6f1c208c57f494555bad4ca36f089176c8a82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a867b4d099c878a91e2ae24c8d6f1c208c57f494555bad4ca36f089176c8a82", kill_on_drop: false }` [INFO] [stdout] 5a867b4d099c878a91e2ae24c8d6f1c208c57f494555bad4ca36f089176c8a82 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 00e3d141c589ca36c064b7ae4c23b10cbb707373fbab89cb483bc6ee9928d262 [INFO] running `Command { std: "docker" "start" "-a" "00e3d141c589ca36c064b7ae4c23b10cbb707373fbab89cb483bc6ee9928d262", kill_on_drop: false }` [INFO] [stdout] warning: unused import: `ascii::AsciiExt` [INFO] [stdout] --> src/leetcode_test/test_leetcode.rs:60:11 [INFO] [stdout] | [INFO] [stdout] 60 | use std::{ascii::AsciiExt, u8, vec}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `say_hello` [INFO] [stdout] --> src/macro_rule/test_macro_rule.rs:1:14 [INFO] [stdout] | [INFO] [stdout] 1 | macro_rules! say_hello { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `write` [INFO] [stdout] --> src/one_display/test_display.rs:1:22 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt::{self, write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/test/leetcode_test/three_LongestSubstringWithoutRepeatingCharacters_test.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> src/test/leetcode_test/mod.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | pub mod three_LongestSubstringWithoutRepeatingCharacters_test; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/test/leetcode_test/three_LongestSubstringWithoutRepeatingCharacters_test.rs:21:28 [INFO] [stdout] | [INFO] [stdout] 21 | last[v as usize] = (i as i32); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 21 - last[v as usize] = (i as i32); [INFO] [stdout] 21 + last[v as usize] = i as i32; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `f32::consts::E` [INFO] [stdout] --> src/test/nine_error/front_return_error.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{f32::consts::E, num::ParseIntError}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::Error` [INFO] [stdout] --> src/test/nine_error/nine_error.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use rand::Error; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/test/nine_error/nine_error.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/test/seventeen_oop/test_trait_common.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc` [INFO] [stdout] --> src/test/sixteen_thread/test_thread_first.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::sync::mpsc; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/test/sixteen_thread/test_thread_first.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/test/sixteen_thread/test_thread_first.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/test/sixteen_thread/test_shared_concurrency.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Arc` and `Mutex` [INFO] [stdout] --> src/test/sixteen_thread/test_shared_concurrency.rs:2:17 [INFO] [stdout] | [INFO] [stdout] 2 | use std::sync::{Arc, Mutex}; [INFO] [stdout] | ^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/test/sixteen_thread/test_shared_concurrency.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::format` [INFO] [stdout] --> src/test/ten_genericity_trait_/test_trait.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt::format; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time` [INFO] [stdout] --> src/test/thirteen_iters/test_closure.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::time; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/test/thirteen_iters/test_update_io.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> src/test/twelve_cmd/test_cmd_env.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `collections::btree_map::Values` and `fs` [INFO] [stdout] --> src/test/twelve_cmd/test_file.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{fs, collections::btree_map::Values}; [INFO] [stdout] | ^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ptr::NonNull` [INFO] [stdout] --> src/test/twelve_cmd/test_env_vars.rs:1:34 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{env::{self, VarError}, ptr::NonNull}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> src/test/two_three_example/types_test.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> src/test/two_three_example/mod.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | pub mod types_test; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cmp::Ordering` [INFO] [stdout] --> src/test/two_three_example/types_test.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::cmp::Ordering; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> src/test/two_three_example/mod.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | pub mod types_test; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling hello_cargo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io` [INFO] [stdout] --> src/test/two_three_example/types_test.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> src/test/two_three_example/mod.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | pub mod types_test; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead [INFO] [stdout] --> src/leetcode_test/test_leetcode.rs:60:18 [INFO] [stdout] | [INFO] [stdout] 60 | use std::{ascii::AsciiExt, u8, vec}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/test/eight_collector/test_hashmap.rs:9:13 [INFO] [stdout] | [INFO] [stdout] 9 | let mut hm = HashMap::new(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/test/nine_error/error_map.rs:58:14 [INFO] [stdout] | [INFO] [stdout] 58 | Some(f) => {println!("is delision")}, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `expensive_result` [INFO] [stdout] --> src/test/thirteen_iters/test_closure.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut expensive_result = Cacher::new(|num| { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expensive_result` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `intensity` [INFO] [stdout] --> src/test/thirteen_iters/test_closure.rs:35:21 [INFO] [stdout] | [INFO] [stdout] 35 | fn generate_workout(intensity: u32, random_number: u32) { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_intensity` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `random_number` [INFO] [stdout] --> src/test/thirteen_iters/test_closure.rs:35:37 [INFO] [stdout] | [INFO] [stdout] 35 | fn generate_workout(intensity: u32, random_number: u32) { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_random_number` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/test/thirteen_iters/test_closure.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | let mut expensive_result = Cacher::new(|num| { [INFO] [stdout] | ----^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/test/two_three_example/test_package.rs:5:13 [INFO] [stdout] | [INFO] [stdout] 5 | let x = x * 2; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Parentheses` is never used [INFO] [stdout] --> src/leetcode_test/test_leetcode.rs:62:6 [INFO] [stdout] | [INFO] [stdout] 62 | enum Parentheses { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Brackets` is never used [INFO] [stdout] --> src/leetcode_test/test_leetcode.rs:67:6 [INFO] [stdout] | [INFO] [stdout] 67 | enum Brackets { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `CurlyBrackets` is never used [INFO] [stdout] --> src/leetcode_test/test_leetcode.rs:72:6 [INFO] [stdout] | [INFO] [stdout] 72 | enum CurlyBrackets { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Structure` is never constructed [INFO] [stdout] --> src/one_display/test_display.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | struct Structure(i32); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Point2D` is never constructed [INFO] [stdout] --> src/one_display/test_display.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct Point2D { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `List` is never constructed [INFO] [stdout] --> src/one_display/test_display.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | struct List(Vec); [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `HM` is never constructed [INFO] [stdout] --> src/test/eight_collector/test_hashmap.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct HM { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `test_new`, `test_get_value`, `test_del_value`, `test_add_value`, and `test_get_all` are never used [INFO] [stdout] --> src/test/eight_collector/test_hashmap.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 7 | impl HM { [INFO] [stdout] | ------- associated items in this implementation [INFO] [stdout] 8 | fn test_new() -> HM { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 12 | fn test_get_value(&self, s: i32) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 19 | fn test_del_value(&mut self, s: i32) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | fn test_add_value(&mut self, k: i32, v: String) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | fn test_get_all(&self) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_add_value` is never used [INFO] [stdout] --> src/test/eight_collector/test_hashmap.rs:32:4 [INFO] [stdout] | [INFO] [stdout] 32 | fn test_add_value() -> HM { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_del_value` is never used [INFO] [stdout] --> src/test/eight_collector/test_hashmap.rs:41:4 [INFO] [stdout] | [INFO] [stdout] 41 | fn test_del_value() {} [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `List` is never used [INFO] [stdout] --> src/test/eight_collector/collect_listLink.rs:1:6 [INFO] [stdout] | [INFO] [stdout] 1 | enum List { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `prepend`, `len`, and `stringify` are never used [INFO] [stdout] --> src/test/eight_collector/collect_listLink.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 6 | impl List{ [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 7 | fn new() -> List{ [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 10 | fn prepend(self ,elem: u32) ->List{ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 14 | fn len(&self) -> u32{ [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | fn stringify(&self) ->String{ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> src/test/eight_collector/collect_listLink.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 41 | struct Number { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 42 | value:i32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `List` is never used [INFO] [stdout] --> src/test/fifteen_smart_point/test_box_point.rs:1:6 [INFO] [stdout] | [INFO] [stdout] 1 | enum List { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CustomSmartPointer` is never constructed [INFO] [stdout] --> src/test/fifteen_smart_point/test_drop_point.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct CustomSmartPointer { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `sign_in_count` and `active` are never read [INFO] [stdout] --> src/test/five_struct/struct_test.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct User { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 5 | sign_in_count: u64, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 6 | active: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `User` 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 `no_dangle` is never used [INFO] [stdout] --> src/test/four_owner/test_heap_stack.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn no_dangle() -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `AliasResult` is never used [INFO] [stdout] --> src/test/nine_error/errors_handler.rs:3:6 [INFO] [stdout] | [INFO] [stdout] 3 | type AliasResult = Result; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `double_first` is never used [INFO] [stdout] --> src/test/nine_error/errors_handler.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn double_first(vec: Vec<&str>) -> AliasResult> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `AliasResult` is never used [INFO] [stdout] --> src/test/nine_error/front_return_error.rs:3:6 [INFO] [stdout] | [INFO] [stdout] 3 | type AliasResult = Result; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `multiply` is never used [INFO] [stdout] --> src/test/nine_error/front_return_error.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn multiply(first_number_str: &str, second_number_str: &str) -> AliasResult { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `multiply2` is never used [INFO] [stdout] --> src/test/nine_error/front_return_error.rs:19:4 [INFO] [stdout] | [INFO] [stdout] 19 | fn multiply2(first_number_str: &str, second_number_str: &str) -> AliasResult { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `printf` is never used [INFO] [stdout] --> src/test/nine_error/front_return_error.rs:25:4 [INFO] [stdout] | [INFO] [stdout] 25 | fn printf(result: AliasResult) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_text_from_file` is never used [INFO] [stdout] --> src/test/nine_error/nine_error.rs:45:4 [INFO] [stdout] | [INFO] [stdout] 45 | fn read_text_from_file(path: String) -> io::Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Person` is never constructed [INFO] [stdout] --> src/test/nine_error/nine_error.rs:66:8 [INFO] [stdout] | [INFO] [stdout] 66 | struct Person { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Job` is never constructed [INFO] [stdout] --> src/test/nine_error/nine_error.rs:70:8 [INFO] [stdout] | [INFO] [stdout] 70 | struct Job { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `PhoneNumber` is never constructed [INFO] [stdout] --> src/test/nine_error/nine_error.rs:75:8 [INFO] [stdout] | [INFO] [stdout] 75 | struct PhoneNumber { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `work_phone_area_code` is never used [INFO] [stdout] --> src/test/nine_error/nine_error.rs:81:8 [INFO] [stdout] | [INFO] [stdout] 80 | impl Person { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] 81 | fn work_phone_area_code(&self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `AliasedResult` is never used [INFO] [stdout] --> src/test/nine_error/nine_error.rs:101:6 [INFO] [stdout] | [INFO] [stdout] 101 | type AliasedResult = Result; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `multiply` is never used [INFO] [stdout] --> src/test/nine_error/nine_error.rs:103:4 [INFO] [stdout] | [INFO] [stdout] 103 | fn multiply(first_number_str: &str, second_number_str: &str) -> AliasedResult { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `printf` is never used [INFO] [stdout] --> src/test/nine_error/nine_error.rs:111:4 [INFO] [stdout] | [INFO] [stdout] 111 | fn printf(result: AliasedResult) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Pilot` is never used [INFO] [stdout] --> src/test/nineteen_top_level/test_top_trait.rs:1:7 [INFO] [stdout] | [INFO] [stdout] 1 | trait Pilot { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Wizard` is never used [INFO] [stdout] --> src/test/nineteen_top_level/test_top_trait.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | trait Wizard { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Human` is never constructed [INFO] [stdout] --> src/test/nineteen_top_level/test_top_trait.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | struct Human; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `fly` is never used [INFO] [stdout] --> src/test/nineteen_top_level/test_top_trait.rs:24:6 [INFO] [stdout] | [INFO] [stdout] 23 | impl Human { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] 24 | fn fly(&self) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `returns_closure` is never used [INFO] [stdout] --> src/test/nineteen_top_level/test_top_package.rs:2:4 [INFO] [stdout] | [INFO] [stdout] 2 | fn returns_closure() -> Box i32> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Sheep` is never constructed [INFO] [stdout] --> src/test/nineteen_top_level/test_top_package.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | struct Sheep {} [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Cow` is never constructed [INFO] [stdout] --> src/test/nineteen_top_level/test_top_package.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | struct Cow {} [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Animal` is never used [INFO] [stdout] --> src/test/nineteen_top_level/test_top_package.rs:16:7 [INFO] [stdout] | [INFO] [stdout] 16 | trait Animal { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `random_animal` is never used [INFO] [stdout] --> src/test/nineteen_top_level/test_top_package.rs:32:4 [INFO] [stdout] | [INFO] [stdout] 32 | fn random_animal(random:i32) -> Box{ [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SelectBox` is never constructed [INFO] [stdout] --> src/test/seventeen_oop/test_trait_common.rs:31:8 [INFO] [stdout] | [INFO] [stdout] 31 | struct SelectBox { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `IpAddr` is never used [INFO] [stdout] --> src/test/six_em/enum_test.rs:2:6 [INFO] [stdout] | [INFO] [stdout] 2 | enum IpAddr { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_num` is never used [INFO] [stdout] --> src/test/six_em/enum_test.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 7 | impl IpAddr { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] 8 | fn get_num(&self) -> i8 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Message` is never used [INFO] [stdout] --> src/test/six_em/enum_test.rs:13:6 [INFO] [stdout] | [INFO] [stdout] 13 | enum Message { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Option` is never used [INFO] [stdout] --> src/test/six_em/enum_test.rs:21:6 [INFO] [stdout] | [INFO] [stdout] 21 | enum Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Coin` is never used [INFO] [stdout] --> src/test/six_em/enum_test.rs:26:6 [INFO] [stdout] | [INFO] [stdout] 26 | enum Coin { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `value_in_cents` is never used [INFO] [stdout] --> src/test/six_em/enum_test.rs:33:4 [INFO] [stdout] | [INFO] [stdout] 33 | fn value_in_cents(coin: Coin) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `plus_one` is never used [INFO] [stdout] --> src/test/six_em/enum_test.rs:55:4 [INFO] [stdout] | [INFO] [stdout] 55 | fn plus_one(x: Option) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_one` is never used [INFO] [stdout] --> src/test/six_em/enum_test.rs:62:4 [INFO] [stdout] | [INFO] [stdout] 62 | fn get_one() -> i8 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_two` is never used [INFO] [stdout] --> src/test/six_em/enum_test.rs:66:4 [INFO] [stdout] | [INFO] [stdout] 66 | fn get_two() -> i8 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_three` is never used [INFO] [stdout] --> src/test/six_em/enum_test.rs:70:4 [INFO] [stdout] | [INFO] [stdout] 70 | fn get_three() -> i8 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_other` is never used [INFO] [stdout] --> src/test/six_em/enum_test.rs:74:4 [INFO] [stdout] | [INFO] [stdout] 74 | fn get_other() -> i8 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `select_fn` is never used [INFO] [stdout] --> src/test/six_em/enum_test.rs:78:4 [INFO] [stdout] | [INFO] [stdout] 78 | fn select_fn(x: i8) -> i8 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Point` is never constructed [INFO] [stdout] --> src/test/ten_genericity_trait_/test_genericity.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 27 | struct Point { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `mixup` is never used [INFO] [stdout] --> src/test/ten_genericity_trait_/test_genericity.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 33 | impl Point { [INFO] [stdout] | ---------------------- method in this implementation [INFO] [stdout] 34 | fn mixup(self, other: Point) -> Point { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Empty` is never constructed [INFO] [stdout] --> src/test/ten_genericity_trait_/test_trait.rs:82:8 [INFO] [stdout] | [INFO] [stdout] 82 | struct Empty; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Null` is never constructed [INFO] [stdout] --> src/test/ten_genericity_trait_/test_trait.rs:83:8 [INFO] [stdout] | [INFO] [stdout] 83 | struct Null; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `DoubleDrop` is never used [INFO] [stdout] --> src/test/ten_genericity_trait_/test_trait.rs:85:7 [INFO] [stdout] | [INFO] [stdout] 85 | trait DoubleDrop { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `longest` is never used [INFO] [stdout] --> src/test/ten_genericity_trait_/test_lifetime.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn longest<'a>(x: &'a str, y: &'a str) -> &'a str { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `s` is never used [INFO] [stdout] --> src/test/ten_genericity_trait_/test_lifetime.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | const s: &'static str = "I have a static lifetime."; [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Cacher` is never constructed [INFO] [stdout] --> src/test/thirteen_iters/test_closure.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | struct Cacher [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `value` are never used [INFO] [stdout] --> src/test/thirteen_iters/test_closure.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 12 | / impl Cacher [INFO] [stdout] 13 | | where [INFO] [stdout] 14 | | T: Fn(u32) -> u32, [INFO] [stdout] | |______________________- associated items in this implementation [INFO] [stdout] 15 | { [INFO] [stdout] 16 | fn new(calculation: T) -> Cacher { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | fn value(&mut self, arg: u32) -> u32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `generate_workout` is never used [INFO] [stdout] --> src/test/thirteen_iters/test_closure.rs:35:4 [INFO] [stdout] | [INFO] [stdout] 35 | fn generate_workout(intensity: u32, random_number: u32) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `generate_workout1` is never used [INFO] [stdout] --> src/test/thirteen_iters/test_closure.rs:43:4 [INFO] [stdout] | [INFO] [stdout] 43 | fn generate_workout1(intensity: u32, random_number: u32) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Counter` is never constructed [INFO] [stdout] --> src/test/thirteen_iters/test_iters.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | struct Counter { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/test/thirteen_iters/test_iters.rs:54:6 [INFO] [stdout] | [INFO] [stdout] 53 | impl Counter { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 54 | fn new() -> Counter { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `search` is never used [INFO] [stdout] --> src/test/thirteen_iters/test_update_io.rs:46:4 [INFO] [stdout] | [INFO] [stdout] 46 | fn search<'a>(query: &'a str, contest: &'a str) -> Vec<&'a str> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `search` is never used [INFO] [stdout] --> src/test/twelve_cmd/test_file.rs:32:4 [INFO] [stdout] | [INFO] [stdout] 32 | fn search<'a>(query:& 'a str, contest: & 'a str) -> Vec<& 'a str>{ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `env_vars` is never used [INFO] [stdout] --> src/test/twelve_cmd/test_env_vars.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | fn env_vars(env_name:String) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `curLevel` should have a snake case name [INFO] [stdout] --> src/leetcode_test/test_leetcode.rs:11:25 [INFO] [stdout] | [INFO] [stdout] 11 | let curLevel = priority_of(&a.to_string()); [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `cur_level` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `frontLevel` should have a snake case name [INFO] [stdout] --> src/leetcode_test/test_leetcode.rs:12:25 [INFO] [stdout] | [INFO] [stdout] 12 | let frontLevel = priority_of(&front.to_string()); [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `front_level` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `tailPro` should have a snake case name [INFO] [stdout] --> src/leetcode_test/test_leetcode.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn tailPro() {} [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `tail_pro` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: module `collect_listLink` should have a snake case name [INFO] [stdout] --> src/test/eight_collector/mod.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | mod collect_listLink; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `collect_list_link` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: module `three_LongestSubstringWithoutRepeatingCharacters_test` should have a snake case name [INFO] [stdout] --> src/test/leetcode_test/mod.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | pub mod three_LongestSubstringWithoutRepeatingCharacters_test; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `three_longest_substring_without_repeating_characters_test` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `s` should have an upper case name [INFO] [stdout] --> src/test/ten_genericity_trait_/test_lifetime.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | const s: &'static str = "I have a static lifetime."; [INFO] [stdout] | ^ help: convert the identifier to upper case (notice the capitalization): `S` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> src/main.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let res = easy_one_server::easy_one_server(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `secret_number` [INFO] [stdout] --> src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let secret_number = rand::thread_rng().gen_range(1, 101); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_secret_number` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `NUM` is never used [INFO] [stdout] --> src/main.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | const NUM: u32 = 10; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test` is never used [INFO] [stdout] --> src/main.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | fn test() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: named argument `x` is not used by name [INFO] [stdout] --> src/test/six_em/enum_test.rs:116:30 [INFO] [stdout] | [INFO] [stdout] 116 | println!("four is{:#?}", x = four); [INFO] [stdout] | ----- ^ this named argument is referred to by position in formatting string [INFO] [stdout] | | [INFO] [stdout] | this formatting argument uses named argument `x` by position [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(named_arguments_used_positionally)]` on by default [INFO] [stdout] help: use the named argument by name to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 116 | println!("four is{x:#?}", x = four); [INFO] [stdout] | + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ascii::AsciiExt` [INFO] [stdout] --> src/leetcode_test/test_leetcode.rs:60:11 [INFO] [stdout] | [INFO] [stdout] 60 | use std::{ascii::AsciiExt, u8, vec}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trailing semicolon in macro used in expression position [INFO] [stdout] --> src/macro_rule/test_macro_rule.rs:5:25 [INFO] [stdout] | [INFO] [stdout] 5 | println!("Hello!"); [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 11 | say_hello!() [INFO] [stdout] | ------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79813 [INFO] [stdout] = note: macro invocations at the end of a block are treated as expressions [INFO] [stdout] = note: to ignore the value produced by the macro, add a semicolon after the invocation of `say_hello` [INFO] [stdout] = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default [INFO] [stdout] = note: this warning originates in the macro `say_hello` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `write` [INFO] [stdout] --> src/one_display/test_display.rs:1:22 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt::{self, write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/test/leetcode_test/three_LongestSubstringWithoutRepeatingCharacters_test.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/test/leetcode_test/three_LongestSubstringWithoutRepeatingCharacters_test.rs:21:28 [INFO] [stdout] | [INFO] [stdout] 21 | last[v as usize] = (i as i32); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 21 - last[v as usize] = (i as i32); [INFO] [stdout] 21 + last[v as usize] = i as i32; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `f32::consts::E` [INFO] [stdout] --> src/test/nine_error/front_return_error.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{f32::consts::E, num::ParseIntError}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::Error` [INFO] [stdout] --> src/test/nine_error/nine_error.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use rand::Error; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/test/nine_error/nine_error.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/test/seventeen_oop/test_trait_common.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/test/sixteen_thread/test_shared_concurrency.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::format` [INFO] [stdout] --> src/test/ten_genericity_trait_/test_trait.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt::format; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time` [INFO] [stdout] --> src/test/thirteen_iters/test_closure.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::time; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `collections::btree_map::Values` [INFO] [stdout] --> src/test/twelve_cmd/test_file.rs:1:15 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{fs, collections::btree_map::Values}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ptr::NonNull` [INFO] [stdout] --> src/test/twelve_cmd/test_env_vars.rs:1:34 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{env::{self, VarError}, ptr::NonNull}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead [INFO] [stdout] --> src/leetcode_test/test_leetcode.rs:60:18 [INFO] [stdout] | [INFO] [stdout] 60 | use std::{ascii::AsciiExt, u8, vec}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `token` [INFO] [stdout] --> src/leetcode_test/test_leetcode.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | let token: Vec = vec![ [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_token` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v1` [INFO] [stdout] --> src/test/eight_collector/collector_test.rs:6:10 [INFO] [stdout] | [INFO] [stdout] 6 | let v1 = vec![1, 2, 3]; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_v1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v2` [INFO] [stdout] --> src/test/eight_collector/collector_test.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let v2:[i32;5] =[1,2,3,4,5]; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_v2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v3` [INFO] [stdout] --> src/test/eight_collector/collector_test.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let v3:[i32;5]=[0;5]; // 这个设置默认值五个0 [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_v3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `row` [INFO] [stdout] --> src/test/eight_collector/collector_test.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let row = vec![ [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_row` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/test/eight_collector/collector_test.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | let s = "initial contents".to_string(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/test/eight_collector/collector_test.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | let s = String::from("initial contents"); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/test/eight_collector/test_hashmap.rs:9:13 [INFO] [stdout] | [INFO] [stdout] 9 | let mut hm = HashMap::new(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `list` [INFO] [stdout] --> src/test/fifteen_smart_point/test_box_point.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let list = List::Cons(1,Box::new(List::Cons(2,Box::new(List::Cons(3,Box::new(List::Nil)))))); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_list` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `d` [INFO] [stdout] --> src/test/fifteen_smart_point/test_drop_point.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let d = CustomSmartPointer { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/test/nine_error/error_map.rs:58:14 [INFO] [stdout] | [INFO] [stdout] 58 | Some(f) => {println!("is delision")}, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cooked_carrot` [INFO] [stdout] --> src/test/nine_error/error_map.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | let cooked_carrot = cook(chop(peer(carrot))); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cooked_carrot` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/test/nineteen_top_level/test_top_trait.rs:56:7 [INFO] [stdout] | [INFO] [stdout] 56 | let c = Counter{}; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `aa` [INFO] [stdout] --> src/test/six_em/enum_test.rs:120:9 [INFO] [stdout] | [INFO] [stdout] 120 | let aa = crate::test::five_struct::struct_test::create_user(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_aa` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t2` [INFO] [stdout] --> src/test/sixteen_thread/test_thread_first.rs:78:8 [INFO] [stdout] | [INFO] [stdout] 78 | let t2 = thread::spawn(move || { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_t2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sum` [INFO] [stdout] --> src/test/sixteen_thread/test_shared_concurrency.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | let mut sum = 0; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sum` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/test/sixteen_thread/test_shared_concurrency.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let mut sum = 0; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `expensive_result` [INFO] [stdout] --> src/test/thirteen_iters/test_closure.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut expensive_result = Cacher::new(|num| { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expensive_result` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `intensity` [INFO] [stdout] --> src/test/thirteen_iters/test_closure.rs:35:21 [INFO] [stdout] | [INFO] [stdout] 35 | fn generate_workout(intensity: u32, random_number: u32) { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_intensity` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `random_number` [INFO] [stdout] --> src/test/thirteen_iters/test_closure.rs:35:37 [INFO] [stdout] | [INFO] [stdout] 35 | fn generate_workout(intensity: u32, random_number: u32) { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_random_number` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/test/thirteen_iters/test_closure.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | let mut expensive_result = Cacher::new(|num| { [INFO] [stdout] | ----^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v1` [INFO] [stdout] --> src/test/thirteen_iters/test_closure.rs:94:9 [INFO] [stdout] | [INFO] [stdout] 94 | let v1 = c.value(1); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_v1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pair` [INFO] [stdout] --> src/test/thirteen_iters/test_closure.rs:101:9 [INFO] [stdout] | [INFO] [stdout] 101 | let pair = (2, -2); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_pair` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/test/two_three_example/test_package.rs:5:13 [INFO] [stdout] | [INFO] [stdout] 5 | let x = x * 2; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Parentheses` is never used [INFO] [stdout] --> src/leetcode_test/test_leetcode.rs:62:6 [INFO] [stdout] | [INFO] [stdout] 62 | enum Parentheses { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Brackets` is never used [INFO] [stdout] --> src/leetcode_test/test_leetcode.rs:67:6 [INFO] [stdout] | [INFO] [stdout] 67 | enum Brackets { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `CurlyBrackets` is never used [INFO] [stdout] --> src/leetcode_test/test_leetcode.rs:72:6 [INFO] [stdout] | [INFO] [stdout] 72 | enum CurlyBrackets { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/test/eight_collector/collector_test.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | Int(i32), [INFO] [stdout] | --- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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] 24 | Int(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/test/eight_collector/collector_test.rs:25:15 [INFO] [stdout] | [INFO] [stdout] 25 | Float(f64), [INFO] [stdout] | ----- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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] 25 | Float(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/test/eight_collector/collector_test.rs:26:14 [INFO] [stdout] | [INFO] [stdout] 26 | Text(String), [INFO] [stdout] | ---- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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] 26 | Text(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_add_value` is never used [INFO] [stdout] --> src/test/eight_collector/test_hashmap.rs:32:4 [INFO] [stdout] | [INFO] [stdout] 32 | fn test_add_value() -> HM { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_del_value` is never used [INFO] [stdout] --> src/test/eight_collector/test_hashmap.rs:41:4 [INFO] [stdout] | [INFO] [stdout] 41 | fn test_del_value() {} [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `len` is never used [INFO] [stdout] --> src/test/eight_collector/collect_listLink.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 6 | impl List{ [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 14 | fn len(&self) -> u32{ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> src/test/eight_collector/collect_listLink.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 41 | struct Number { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 42 | value:i32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/test/fifteen_smart_point/test_box_point.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | Cons(i32, Box), [INFO] [stdout] | ---- ^^^ ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 2 | Cons((), ()), [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `sign_in_count` and `active` are never read [INFO] [stdout] --> src/test/five_struct/struct_test.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct User { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 5 | sign_in_count: u64, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 6 | active: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `User` 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 `no_dangle` is never used [INFO] [stdout] --> src/test/four_owner/test_heap_stack.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn no_dangle() -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `multiply` is never used [INFO] [stdout] --> src/test/nine_error/front_return_error.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn multiply(first_number_str: &str, second_number_str: &str) -> AliasResult { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `number` is never read [INFO] [stdout] --> src/test/nine_error/nine_error.rs:77:5 [INFO] [stdout] | [INFO] [stdout] 75 | struct PhoneNumber { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 76 | area_code: Option, [INFO] [stdout] 77 | number: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PhoneNumber` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `fly` is never used [INFO] [stdout] --> src/test/nineteen_top_level/test_top_trait.rs:24:6 [INFO] [stdout] | [INFO] [stdout] 23 | impl Human { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] 24 | fn fly(&self) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `options` is never read [INFO] [stdout] --> src/test/seventeen_oop/test_trait_common.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 31 | struct SelectBox { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 34 | options: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/test/six_em/enum_test.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | V6(i32), [INFO] [stdout] | -- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `IpAddr` 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] 4 | V6(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Message` is never used [INFO] [stdout] --> src/test/six_em/enum_test.rs:13:6 [INFO] [stdout] | [INFO] [stdout] 13 | enum Message { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Nickel`, `Dime`, and `Quarter` are never constructed [INFO] [stdout] --> src/test/six_em/enum_test.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 26 | enum Coin { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] 27 | Penny(u8), [INFO] [stdout] 28 | Nickel(u8), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 29 | Dime(u8), [INFO] [stdout] | ^^^^ [INFO] [stdout] 30 | Quarter(u8), [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_two` is never used [INFO] [stdout] --> src/test/six_em/enum_test.rs:66:4 [INFO] [stdout] | [INFO] [stdout] 66 | fn get_two() -> i8 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Empty` is never constructed [INFO] [stdout] --> src/test/ten_genericity_trait_/test_trait.rs:82:8 [INFO] [stdout] | [INFO] [stdout] 82 | struct Empty; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Null` is never constructed [INFO] [stdout] --> src/test/ten_genericity_trait_/test_trait.rs:83:8 [INFO] [stdout] | [INFO] [stdout] 83 | struct Null; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `DoubleDrop` is never used [INFO] [stdout] --> src/test/ten_genericity_trait_/test_trait.rs:85:7 [INFO] [stdout] | [INFO] [stdout] 85 | trait DoubleDrop { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `generate_workout` is never used [INFO] [stdout] --> src/test/thirteen_iters/test_closure.rs:35:4 [INFO] [stdout] | [INFO] [stdout] 35 | fn generate_workout(intensity: u32, random_number: u32) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `curLevel` should have a snake case name [INFO] [stdout] --> src/leetcode_test/test_leetcode.rs:11:25 [INFO] [stdout] | [INFO] [stdout] 11 | let curLevel = priority_of(&a.to_string()); [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `cur_level` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `frontLevel` should have a snake case name [INFO] [stdout] --> src/leetcode_test/test_leetcode.rs:12:25 [INFO] [stdout] | [INFO] [stdout] 12 | let frontLevel = priority_of(&front.to_string()); [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `front_level` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `tailPro` should have a snake case name [INFO] [stdout] --> src/leetcode_test/test_leetcode.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn tailPro() {} [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `tail_pro` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Stu` should have a snake case name [INFO] [stdout] --> src/one_display/test_display.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | let Stu = Structure(4); [INFO] [stdout] | ^^^ help: convert the identifier to snake case (notice the capitalization): `stu` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: module `collect_listLink` should have a snake case name [INFO] [stdout] --> src/test/eight_collector/mod.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | mod collect_listLink; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `collect_list_link` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_linkList` should have a snake case name [INFO] [stdout] --> src/test/eight_collector/collect_listLink.rs:34:4 [INFO] [stdout] | [INFO] [stdout] 34 | fn test_linkList(){ [INFO] [stdout] | ^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_link_list` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_typesChange` should have a snake case name [INFO] [stdout] --> src/test/eight_collector/collect_listLink.rs:52:4 [INFO] [stdout] | [INFO] [stdout] 52 | fn test_typesChange(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_types_change` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: module `three_LongestSubstringWithoutRepeatingCharacters_test` should have a snake case name [INFO] [stdout] --> src/test/leetcode_test/mod.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | pub mod three_LongestSubstringWithoutRepeatingCharacters_test; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `three_longest_substring_without_repeating_characters_test` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_Type` should have a snake case name [INFO] [stdout] --> src/test/nineteen_top_level/test_top_trait.rs:55:4 [INFO] [stdout] | [INFO] [stdout] 55 | fn test_Type(){ [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `test_type` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_randonAnimal` should have a snake case name [INFO] [stdout] --> src/test/nineteen_top_level/test_top_package.rs:41:4 [INFO] [stdout] | [INFO] [stdout] 41 | fn test_randonAnimal(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_randon_animal` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `s` should have an upper case name [INFO] [stdout] --> src/test/ten_genericity_trait_/test_lifetime.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | const s: &'static str = "I have a static lifetime."; [INFO] [stdout] | ^ help: convert the identifier to upper case (notice the capitalization): `S` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.16s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: hello_cargo v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "00e3d141c589ca36c064b7ae4c23b10cbb707373fbab89cb483bc6ee9928d262", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "00e3d141c589ca36c064b7ae4c23b10cbb707373fbab89cb483bc6ee9928d262", kill_on_drop: false }` [INFO] [stdout] 00e3d141c589ca36c064b7ae4c23b10cbb707373fbab89cb483bc6ee9928d262