[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] testing lristar/hello-rust against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flristar%2Fhello-rust" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lristar/hello-rust on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-2/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: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 6c0ba36fecd59c69505f2574ae0be27f34496d1389aa62a009a942844c8afd71 [INFO] running `Command { std: "docker" "start" "-a" "6c0ba36fecd59c69505f2574ae0be27f34496d1389aa62a009a942844c8afd71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6c0ba36fecd59c69505f2574ae0be27f34496d1389aa62a009a942844c8afd71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c0ba36fecd59c69505f2574ae0be27f34496d1389aa62a009a942844c8afd71", kill_on_drop: false }` [INFO] [stdout] 6c0ba36fecd59c69505f2574ae0be27f34496d1389aa62a009a942844c8afd71 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7e4b1482f827b69d06f7f466a9a21f0572839b2534f590cdaefaa14cebcc1925 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "7e4b1482f827b69d06f7f466a9a21f0572839b2534f590cdaefaa14cebcc1925", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.117 [INFO] [stderr] Compiling getrandom v0.1.16 [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: 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`, `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`, `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: 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: 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: 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: 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: 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: 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: 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: enum is never used: `Parentheses` [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 is never used: `Brackets` [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 is never used: `CurlyBrackets` [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 is never read: `h` [INFO] [stdout] --> src/test/eight_collector/test_hashmap.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | h: HashMap, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `HM` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/test/eight_collector/test_hashmap.rs:2:10 [INFO] [stdout] | [INFO] [stdout] 2 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `test_new` [INFO] [stdout] --> src/test/eight_collector/test_hashmap.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | fn test_new() -> HM { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `test_get_value` [INFO] [stdout] --> src/test/eight_collector/test_hashmap.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | fn test_get_value(&self, s: i32) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `test_del_value` [INFO] [stdout] --> src/test/eight_collector/test_hashmap.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 19 | fn test_del_value(&mut self, s: i32) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `test_add_value` [INFO] [stdout] --> src/test/eight_collector/test_hashmap.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 22 | fn test_add_value(&mut self, k: i32, v: String) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `test_get_all` [INFO] [stdout] --> src/test/eight_collector/test_hashmap.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 25 | fn test_get_all(&self) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_add_value` [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 is never used: `test_del_value` [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 is never used: `List` [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 function is never used: `new` [INFO] [stdout] --> src/test/eight_collector/collect_listLink.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | fn new() -> List{ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `prepend` [INFO] [stdout] --> src/test/eight_collector/collect_listLink.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | fn prepend(self ,elem: u32) ->List{ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `len` [INFO] [stdout] --> src/test/eight_collector/collect_listLink.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | fn len(&self) -> u32{ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `stringify` [INFO] [stdout] --> src/test/eight_collector/collect_listLink.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | fn stringify(&self) ->String{ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `value` [INFO] [stdout] --> src/test/eight_collector/collect_listLink.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | value:i32, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `List` [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: field is never read: `sign_in_count` [INFO] [stdout] --> src/test/five_struct/struct_test.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | sign_in_count: u64, [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] --> src/test/five_struct/struct_test.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | #[derive(Debug)] // 加上这个可以用println输出 [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `active` [INFO] [stdout] --> src/test/five_struct/struct_test.rs:6:5 [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] --> src/test/five_struct/struct_test.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | #[derive(Debug)] // 加上这个可以用println输出 [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `no_dangle` [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 is never used: `AliasResult` [INFO] [stdout] --> src/test/nine_error/errors_handler.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | type AliasResult = Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `double_first` [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 is never used: `AliasResult` [INFO] [stdout] --> src/test/nine_error/front_return_error.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | type AliasResult = Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `multiply` [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 is never used: `multiply2` [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 is never used: `printf` [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 is never used: `read_text_from_file` [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 is never constructed: `Person` [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: field is never read: `phone_number` [INFO] [stdout] --> src/test/nine_error/nine_error.rs:71:5 [INFO] [stdout] | [INFO] [stdout] 71 | phone_number: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Job` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/test/nine_error/nine_error.rs:69:10 [INFO] [stdout] | [INFO] [stdout] 69 | #[derive(Clone, Copy)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `area_code` [INFO] [stdout] --> src/test/nine_error/nine_error.rs:76:5 [INFO] [stdout] | [INFO] [stdout] 76 | area_code: Option, [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] --> src/test/nine_error/nine_error.rs:74:10 [INFO] [stdout] | [INFO] [stdout] 74 | #[derive(Clone, Copy)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `number` [INFO] [stdout] --> src/test/nine_error/nine_error.rs:77:5 [INFO] [stdout] | [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] --> src/test/nine_error/nine_error.rs:74:10 [INFO] [stdout] | [INFO] [stdout] 74 | #[derive(Clone, Copy)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `work_phone_area_code` [INFO] [stdout] --> src/test/nine_error/nine_error.rs:81:8 [INFO] [stdout] | [INFO] [stdout] 81 | fn work_phone_area_code(&self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `AliasedResult` [INFO] [stdout] --> src/test/nine_error/nine_error.rs:101:1 [INFO] [stdout] | [INFO] [stdout] 101 | type AliasedResult = Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `multiply` [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 is never used: `printf` [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: associated function is never used: `fly` [INFO] [stdout] --> src/test/nineteen_top_level/test_top_trait.rs:24:6 [INFO] [stdout] | [INFO] [stdout] 24 | fn fly(&self) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `returns_closure` [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: function is never used: `random_animal` [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: field is never read: `options` [INFO] [stdout] --> src/test/seventeen_oop/test_trait_common.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | options: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `V4` [INFO] [stdout] --> src/test/six_em/enum_test.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | V4(u8, u8, u8, u8), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [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] --> src/test/six_em/enum_test.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `V6` [INFO] [stdout] --> src/test/six_em/enum_test.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | V6(i32), [INFO] [stdout] | ^^^^^^^ [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] --> src/test/six_em/enum_test.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_num` [INFO] [stdout] --> src/test/six_em/enum_test.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | fn get_num(&self) -> i8 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Message` [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: variant is never constructed: `Some` [INFO] [stdout] --> src/test/six_em/enum_test.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | Some(T), [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Option` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/test/six_em/enum_test.rs:20:10 [INFO] [stdout] | [INFO] [stdout] 20 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `None` [INFO] [stdout] --> src/test/six_em/enum_test.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | None, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Option` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/test/six_em/enum_test.rs:20:10 [INFO] [stdout] | [INFO] [stdout] 20 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Coin` [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 is never used: `value_in_cents` [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 is never used: `plus_one` [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 is never used: `get_one` [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 is never used: `get_two` [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 is never used: `get_three` [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 is never used: `get_other` [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 is never used: `select_fn` [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 is never constructed: `Point` [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: associated function is never used: `mixup` [INFO] [stdout] --> src/test/ten_genericity_trait_/test_genericity.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 34 | fn mixup(self, other: Point) -> Point { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Empty` [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 is never constructed: `Null` [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: function is never used: `longest` [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 is never used: `s` [INFO] [stdout] --> src/test/ten_genericity_trait_/test_lifetime.rs:12:1 [INFO] [stdout] | [INFO] [stdout] 12 | const s: &'static str = "I have a static lifetime."; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Cacher` [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 function is never used: `new` [INFO] [stdout] --> src/test/thirteen_iters/test_closure.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | fn new(calculation: T) -> Cacher { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `value` [INFO] [stdout] --> src/test/thirteen_iters/test_closure.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | fn value(&mut self, arg: u32) -> u32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `generate_workout` [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 is never used: `generate_workout1` [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: associated function is never used: `new` [INFO] [stdout] --> src/test/thirteen_iters/test_iters.rs:54:6 [INFO] [stdout] | [INFO] [stdout] 54 | fn new() -> Counter { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `search` [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 is never used: `search` [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 is never used: `env_vars` [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: 107 warnings emitted [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 is never used: `NUM` [INFO] [stdout] --> src/main.rs:6:1 [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 is never used: `test` [INFO] [stdout] --> src/main.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | fn test() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.39s [INFO] running `Command { std: "docker" "inspect" "7e4b1482f827b69d06f7f466a9a21f0572839b2534f590cdaefaa14cebcc1925", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e4b1482f827b69d06f7f466a9a21f0572839b2534f590cdaefaa14cebcc1925", kill_on_drop: false }` [INFO] [stdout] 7e4b1482f827b69d06f7f466a9a21f0572839b2534f590cdaefaa14cebcc1925 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 98e83ea02fd211b2d261eac72cc896233bea166a649aa52d3e77a6d10af8a5fb [INFO] running `Command { std: "docker" "start" "-a" "98e83ea02fd211b2d261eac72cc896233bea166a649aa52d3e77a6d10af8a5fb", 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: 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`, `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`, `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: 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: 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: 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: 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: 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: 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: 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: enum is never used: `Parentheses` [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 is never used: `Brackets` [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 is never used: `CurlyBrackets` [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 is never read: `h` [INFO] [stdout] --> src/test/eight_collector/test_hashmap.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | h: HashMap, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `HM` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/test/eight_collector/test_hashmap.rs:2:10 [INFO] [stdout] | [INFO] [stdout] 2 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `test_new` [INFO] [stdout] --> src/test/eight_collector/test_hashmap.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | fn test_new() -> HM { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `test_get_value` [INFO] [stdout] --> src/test/eight_collector/test_hashmap.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | fn test_get_value(&self, s: i32) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `test_del_value` [INFO] [stdout] --> src/test/eight_collector/test_hashmap.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 19 | fn test_del_value(&mut self, s: i32) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `test_add_value` [INFO] [stdout] --> src/test/eight_collector/test_hashmap.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 22 | fn test_add_value(&mut self, k: i32, v: String) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `test_get_all` [INFO] [stdout] --> src/test/eight_collector/test_hashmap.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 25 | fn test_get_all(&self) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_add_value` [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 is never used: `test_del_value` [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 is never used: `List` [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 function is never used: `new` [INFO] [stdout] --> src/test/eight_collector/collect_listLink.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | fn new() -> List{ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `prepend` [INFO] [stdout] --> src/test/eight_collector/collect_listLink.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | fn prepend(self ,elem: u32) ->List{ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `len` [INFO] [stdout] --> src/test/eight_collector/collect_listLink.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | fn len(&self) -> u32{ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `stringify` [INFO] [stdout] --> src/test/eight_collector/collect_listLink.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | fn stringify(&self) ->String{ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `value` [INFO] [stdout] --> src/test/eight_collector/collect_listLink.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | value:i32, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `List` [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: field is never read: `sign_in_count` [INFO] [stdout] --> src/test/five_struct/struct_test.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | sign_in_count: u64, [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] --> src/test/five_struct/struct_test.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | #[derive(Debug)] // 加上这个可以用println输出 [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `active` [INFO] [stdout] --> src/test/five_struct/struct_test.rs:6:5 [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] --> src/test/five_struct/struct_test.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | #[derive(Debug)] // 加上这个可以用println输出 [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `no_dangle` [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 is never used: `AliasResult` [INFO] [stdout] --> src/test/nine_error/errors_handler.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | type AliasResult = Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `double_first` [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 is never used: `AliasResult` [INFO] [stdout] --> src/test/nine_error/front_return_error.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | type AliasResult = Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `multiply` [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 is never used: `multiply2` [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 is never used: `printf` [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 is never used: `read_text_from_file` [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 is never constructed: `Person` [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: field is never read: `phone_number` [INFO] [stdout] --> src/test/nine_error/nine_error.rs:71:5 [INFO] [stdout] | [INFO] [stdout] 71 | phone_number: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Job` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/test/nine_error/nine_error.rs:69:10 [INFO] [stdout] | [INFO] [stdout] 69 | #[derive(Clone, Copy)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling hello_cargo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `area_code` [INFO] [stdout] --> src/test/nine_error/nine_error.rs:76:5 [INFO] [stdout] | [INFO] [stdout] 76 | area_code: Option, [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] --> src/test/nine_error/nine_error.rs:74:10 [INFO] [stdout] | [INFO] [stdout] 74 | #[derive(Clone, Copy)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `number` [INFO] [stdout] --> src/test/nine_error/nine_error.rs:77:5 [INFO] [stdout] | [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] --> src/test/nine_error/nine_error.rs:74:10 [INFO] [stdout] | [INFO] [stdout] 74 | #[derive(Clone, Copy)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `work_phone_area_code` [INFO] [stdout] --> src/test/nine_error/nine_error.rs:81:8 [INFO] [stdout] | [INFO] [stdout] 81 | fn work_phone_area_code(&self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `AliasedResult` [INFO] [stdout] --> src/test/nine_error/nine_error.rs:101:1 [INFO] [stdout] | [INFO] [stdout] 101 | type AliasedResult = Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `multiply` [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 is never used: `printf` [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: associated function is never used: `fly` [INFO] [stdout] --> src/test/nineteen_top_level/test_top_trait.rs:24:6 [INFO] [stdout] | [INFO] [stdout] 24 | fn fly(&self) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `returns_closure` [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: function is never used: `random_animal` [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: field is never read: `options` [INFO] [stdout] --> src/test/seventeen_oop/test_trait_common.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | options: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `V4` [INFO] [stdout] --> src/test/six_em/enum_test.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | V4(u8, u8, u8, u8), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [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] --> src/test/six_em/enum_test.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `V6` [INFO] [stdout] --> src/test/six_em/enum_test.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | V6(i32), [INFO] [stdout] | ^^^^^^^ [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] --> src/test/six_em/enum_test.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_num` [INFO] [stdout] --> src/test/six_em/enum_test.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | fn get_num(&self) -> i8 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Message` [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: variant is never constructed: `Some` [INFO] [stdout] --> src/test/six_em/enum_test.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | Some(T), [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Option` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/test/six_em/enum_test.rs:20:10 [INFO] [stdout] | [INFO] [stdout] 20 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `None` [INFO] [stdout] --> src/test/six_em/enum_test.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | None, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Option` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/test/six_em/enum_test.rs:20:10 [INFO] [stdout] | [INFO] [stdout] 20 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Coin` [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 is never used: `value_in_cents` [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 is never used: `plus_one` [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 is never used: `get_one` [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 is never used: `get_two` [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 is never used: `get_three` [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 is never used: `get_other` [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 is never used: `select_fn` [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 is never constructed: `Point` [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: associated function is never used: `mixup` [INFO] [stdout] --> src/test/ten_genericity_trait_/test_genericity.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 34 | fn mixup(self, other: Point) -> Point { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Empty` [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 is never constructed: `Null` [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: function is never used: `longest` [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 is never used: `s` [INFO] [stdout] --> src/test/ten_genericity_trait_/test_lifetime.rs:12:1 [INFO] [stdout] | [INFO] [stdout] 12 | const s: &'static str = "I have a static lifetime."; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Cacher` [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 function is never used: `new` [INFO] [stdout] --> src/test/thirteen_iters/test_closure.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | fn new(calculation: T) -> Cacher { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `value` [INFO] [stdout] --> src/test/thirteen_iters/test_closure.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | fn value(&mut self, arg: u32) -> u32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `generate_workout` [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 is never used: `generate_workout1` [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: associated function is never used: `new` [INFO] [stdout] --> src/test/thirteen_iters/test_iters.rs:54:6 [INFO] [stdout] | [INFO] [stdout] 54 | fn new() -> Counter { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `search` [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 is never used: `search` [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 is never used: `env_vars` [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: 107 warnings emitted [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 is never used: `NUM` [INFO] [stdout] --> src/main.rs:6:1 [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 is never used: `test` [INFO] [stdout] --> src/main.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | fn test() { [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] = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default [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: 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] help: 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::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: 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: 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: 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: 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: 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: 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: enum is never used: `Parentheses` [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 is never used: `Brackets` [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 is never used: `CurlyBrackets` [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: function is never used: `test_add_value` [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 is never used: `test_del_value` [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: associated function is never used: `len` [INFO] [stdout] --> src/test/eight_collector/collect_listLink.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | fn len(&self) -> u32{ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `value` [INFO] [stdout] --> src/test/eight_collector/collect_listLink.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | value:i32, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `sign_in_count` [INFO] [stdout] --> src/test/five_struct/struct_test.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | sign_in_count: u64, [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] --> src/test/five_struct/struct_test.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | #[derive(Debug)] // 加上这个可以用println输出 [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `active` [INFO] [stdout] --> src/test/five_struct/struct_test.rs:6:5 [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] --> src/test/five_struct/struct_test.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | #[derive(Debug)] // 加上这个可以用println输出 [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `no_dangle` [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 is never used: `multiply` [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 is never read: `number` [INFO] [stdout] --> src/test/nine_error/nine_error.rs:77:5 [INFO] [stdout] | [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] --> src/test/nine_error/nine_error.rs:74:10 [INFO] [stdout] | [INFO] [stdout] 74 | #[derive(Clone, Copy)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `fly` [INFO] [stdout] --> src/test/nineteen_top_level/test_top_trait.rs:24:6 [INFO] [stdout] | [INFO] [stdout] 24 | fn fly(&self) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `options` [INFO] [stdout] --> src/test/seventeen_oop/test_trait_common.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | options: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Message` [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: variant is never constructed: `Nickel` [INFO] [stdout] --> src/test/six_em/enum_test.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | Nickel(u8), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Dime` [INFO] [stdout] --> src/test/six_em/enum_test.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | Dime(u8), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Quarter` [INFO] [stdout] --> src/test/six_em/enum_test.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 30 | Quarter(u8), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_two` [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 is never constructed: `Empty` [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 is never constructed: `Null` [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: function is never used: `generate_workout` [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: 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_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: 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] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 72 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.39s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/hello_cargo-dbc631be50858ed2) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/hello_cargo-e4cd4ce4261a67b5) [INFO] running `Command { std: "docker" "inspect" "98e83ea02fd211b2d261eac72cc896233bea166a649aa52d3e77a6d10af8a5fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98e83ea02fd211b2d261eac72cc896233bea166a649aa52d3e77a6d10af8a5fb", kill_on_drop: false }` [INFO] [stdout] 98e83ea02fd211b2d261eac72cc896233bea166a649aa52d3e77a6d10af8a5fb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 58a1fe4aea2aa33edbf99710cbe7fcaf1c58f8e8c60f285250f29e50fae8364a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "58a1fe4aea2aa33edbf99710cbe7fcaf1c58f8e8c60f285250f29e50fae8364a", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `ascii::AsciiExt` [INFO] [stderr] --> src/leetcode_test/test_leetcode.rs:60:11 [INFO] [stderr] | [INFO] [stderr] 60 | use std::{ascii::AsciiExt, u8, vec}; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused macro definition: `say_hello` [INFO] [stderr] --> src/macro_rule/test_macro_rule.rs:1:14 [INFO] [stderr] | [INFO] [stderr] 1 | macro_rules! say_hello { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_macros)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `write` [INFO] [stderr] --> src/one_display/test_display.rs:1:22 [INFO] [stderr] | [INFO] [stderr] 1 | use std::fmt::{self, write}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stderr] --> src/test/leetcode_test/three_LongestSubstringWithoutRepeatingCharacters_test.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | use std::collections::HashMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: consider adding a `#[cfg(test)]` to the containing module [INFO] [stderr] --> src/test/leetcode_test/mod.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | pub mod three_LongestSubstringWithoutRepeatingCharacters_test; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/test/leetcode_test/three_LongestSubstringWithoutRepeatingCharacters_test.rs:21:28 [INFO] [stderr] | [INFO] [stderr] 21 | last[v as usize] = (i as i32); [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 21 - last[v as usize] = (i as i32); [INFO] [stderr] 21 + last[v as usize] = i as i32; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unused import: `f32::consts::E` [INFO] [stderr] --> src/test/nine_error/front_return_error.rs:1:11 [INFO] [stderr] | [INFO] [stderr] 1 | use std::{f32::consts::E, num::ParseIntError}; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand::Error` [INFO] [stderr] --> src/test/nine_error/nine_error.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use rand::Error; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs` [INFO] [stderr] --> src/test/nine_error/nine_error.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::fs; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fmt` [INFO] [stderr] --> src/test/seventeen_oop/test_trait_common.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::fmt; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync::mpsc` [INFO] [stderr] --> src/test/sixteen_thread/test_thread_first.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::sync::mpsc; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> src/test/sixteen_thread/test_thread_first.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time::Duration` [INFO] [stderr] --> src/test/sixteen_thread/test_thread_first.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::rc::Rc` [INFO] [stderr] --> src/test/sixteen_thread/test_shared_concurrency.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::rc::Rc; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Arc`, `Mutex` [INFO] [stderr] --> src/test/sixteen_thread/test_shared_concurrency.rs:2:17 [INFO] [stderr] | [INFO] [stderr] 2 | use std::sync::{Arc, Mutex}; [INFO] [stderr] | ^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> src/test/sixteen_thread/test_shared_concurrency.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fmt::format` [INFO] [stderr] --> src/test/ten_genericity_trait_/test_trait.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::fmt::format; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time` [INFO] [stderr] --> src/test/thirteen_iters/test_closure.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::time; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs` [INFO] [stderr] --> src/test/thirteen_iters/test_update_io.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::fs; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> src/test/twelve_cmd/test_cmd_env.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `collections::btree_map::Values`, `fs` [INFO] [stderr] --> src/test/twelve_cmd/test_file.rs:1:11 [INFO] [stderr] | [INFO] [stderr] 1 | use std::{fs, collections::btree_map::Values}; [INFO] [stderr] | ^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `ptr::NonNull` [INFO] [stderr] --> src/test/twelve_cmd/test_env_vars.rs:1:34 [INFO] [stderr] | [INFO] [stderr] 1 | use std::{env::{self, VarError}, ptr::NonNull}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand::Rng` [INFO] [stderr] --> src/test/two_three_example/types_test.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use rand::Rng; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: consider adding a `#[cfg(test)]` to the containing module [INFO] [stderr] --> src/test/two_three_example/mod.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | pub mod types_test; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cmp::Ordering` [INFO] [stderr] --> src/test/two_three_example/types_test.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::cmp::Ordering; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: consider adding a `#[cfg(test)]` to the containing module [INFO] [stderr] --> src/test/two_three_example/mod.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | pub mod types_test; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> src/test/two_three_example/types_test.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: consider adding a `#[cfg(test)]` to the containing module [INFO] [stderr] --> src/test/two_three_example/mod.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | pub mod types_test; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead [INFO] [stderr] --> src/leetcode_test/test_leetcode.rs:60:18 [INFO] [stderr] | [INFO] [stderr] 60 | use std::{ascii::AsciiExt, u8, vec}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/test/nine_error/error_map.rs:58:14 [INFO] [stderr] | [INFO] [stderr] 58 | Some(f) => {println!("is delision")}, [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `expensive_result` [INFO] [stderr] --> src/test/thirteen_iters/test_closure.rs:36:13 [INFO] [stderr] | [INFO] [stderr] 36 | let mut expensive_result = Cacher::new(|num| { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expensive_result` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `intensity` [INFO] [stderr] --> src/test/thirteen_iters/test_closure.rs:35:21 [INFO] [stderr] | [INFO] [stderr] 35 | fn generate_workout(intensity: u32, random_number: u32) { [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_intensity` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `random_number` [INFO] [stderr] --> src/test/thirteen_iters/test_closure.rs:35:37 [INFO] [stderr] | [INFO] [stderr] 35 | fn generate_workout(intensity: u32, random_number: u32) { [INFO] [stderr] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_random_number` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/test/two_three_example/test_package.rs:5:13 [INFO] [stderr] | [INFO] [stderr] 5 | let x = x * 2; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/test/eight_collector/test_hashmap.rs:9:13 [INFO] [stderr] | [INFO] [stderr] 9 | let mut hm = HashMap::new(); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/test/thirteen_iters/test_closure.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | let mut expensive_result = Cacher::new(|num| { [INFO] [stderr] | ----^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `Parentheses` [INFO] [stderr] --> src/leetcode_test/test_leetcode.rs:62:6 [INFO] [stderr] | [INFO] [stderr] 62 | enum Parentheses { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `Brackets` [INFO] [stderr] --> src/leetcode_test/test_leetcode.rs:67:6 [INFO] [stderr] | [INFO] [stderr] 67 | enum Brackets { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `CurlyBrackets` [INFO] [stderr] --> src/leetcode_test/test_leetcode.rs:72:6 [INFO] [stderr] | [INFO] [stderr] 72 | enum CurlyBrackets { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `h` [INFO] [stderr] --> src/test/eight_collector/test_hashmap.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | h: HashMap, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `HM` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/test/eight_collector/test_hashmap.rs:2:10 [INFO] [stderr] | [INFO] [stderr] 2 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `test_new` [INFO] [stderr] --> src/test/eight_collector/test_hashmap.rs:8:8 [INFO] [stderr] | [INFO] [stderr] 8 | fn test_new() -> HM { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `test_get_value` [INFO] [stderr] --> src/test/eight_collector/test_hashmap.rs:12:8 [INFO] [stderr] | [INFO] [stderr] 12 | fn test_get_value(&self, s: i32) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `test_del_value` [INFO] [stderr] --> src/test/eight_collector/test_hashmap.rs:19:8 [INFO] [stderr] | [INFO] [stderr] 19 | fn test_del_value(&mut self, s: i32) { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `test_add_value` [INFO] [stderr] --> src/test/eight_collector/test_hashmap.rs:22:8 [INFO] [stderr] | [INFO] [stderr] 22 | fn test_add_value(&mut self, k: i32, v: String) { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `test_get_all` [INFO] [stderr] --> src/test/eight_collector/test_hashmap.rs:25:8 [INFO] [stderr] | [INFO] [stderr] 25 | fn test_get_all(&self) { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_add_value` [INFO] [stderr] --> src/test/eight_collector/test_hashmap.rs:32:4 [INFO] [stderr] | [INFO] [stderr] 32 | fn test_add_value() -> HM { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_del_value` [INFO] [stderr] --> src/test/eight_collector/test_hashmap.rs:41:4 [INFO] [stderr] | [INFO] [stderr] 41 | fn test_del_value() {} [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `List` [INFO] [stderr] --> src/test/eight_collector/collect_listLink.rs:1:6 [INFO] [stderr] | [INFO] [stderr] 1 | enum List { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/test/eight_collector/collect_listLink.rs:7:8 [INFO] [stderr] | [INFO] [stderr] 7 | fn new() -> List{ [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `prepend` [INFO] [stderr] --> src/test/eight_collector/collect_listLink.rs:10:8 [INFO] [stderr] | [INFO] [stderr] 10 | fn prepend(self ,elem: u32) ->List{ [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `len` [INFO] [stderr] --> src/test/eight_collector/collect_listLink.rs:14:8 [INFO] [stderr] | [INFO] [stderr] 14 | fn len(&self) -> u32{ [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `stringify` [INFO] [stderr] --> src/test/eight_collector/collect_listLink.rs:23:8 [INFO] [stderr] | [INFO] [stderr] 23 | fn stringify(&self) ->String{ [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `value` [INFO] [stderr] --> src/test/eight_collector/collect_listLink.rs:42:5 [INFO] [stderr] | [INFO] [stderr] 42 | value:i32, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `List` [INFO] [stderr] --> src/test/fifteen_smart_point/test_box_point.rs:1:6 [INFO] [stderr] | [INFO] [stderr] 1 | enum List { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `sign_in_count` [INFO] [stderr] --> src/test/five_struct/struct_test.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | sign_in_count: u64, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/test/five_struct/struct_test.rs:1:10 [INFO] [stderr] | [INFO] [stderr] 1 | #[derive(Debug)] // 加上这个可以用println输出 [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `active` [INFO] [stderr] --> src/test/five_struct/struct_test.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | active: bool, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/test/five_struct/struct_test.rs:1:10 [INFO] [stderr] | [INFO] [stderr] 1 | #[derive(Debug)] // 加上这个可以用println输出 [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: function is never used: `no_dangle` [INFO] [stderr] --> src/test/four_owner/test_heap_stack.rs:27:4 [INFO] [stderr] | [INFO] [stderr] 27 | fn no_dangle() -> String { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `AliasResult` [INFO] [stderr] --> src/test/nine_error/errors_handler.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | type AliasResult = Result; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `double_first` [INFO] [stderr] --> src/test/nine_error/errors_handler.rs:5:4 [INFO] [stderr] | [INFO] [stderr] 5 | fn double_first(vec: Vec<&str>) -> AliasResult> { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `AliasResult` [INFO] [stderr] --> src/test/nine_error/front_return_error.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | type AliasResult = Result; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `multiply` [INFO] [stderr] --> src/test/nine_error/front_return_error.rs:5:4 [INFO] [stderr] | [INFO] [stderr] 5 | fn multiply(first_number_str: &str, second_number_str: &str) -> AliasResult { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `multiply2` [INFO] [stderr] --> src/test/nine_error/front_return_error.rs:19:4 [INFO] [stderr] | [INFO] [stderr] 19 | fn multiply2(first_number_str: &str, second_number_str: &str) -> AliasResult { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `printf` [INFO] [stderr] --> src/test/nine_error/front_return_error.rs:25:4 [INFO] [stderr] | [INFO] [stderr] 25 | fn printf(result: AliasResult) { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `read_text_from_file` [INFO] [stderr] --> src/test/nine_error/nine_error.rs:45:4 [INFO] [stderr] | [INFO] [stderr] 45 | fn read_text_from_file(path: String) -> io::Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Person` [INFO] [stderr] --> src/test/nine_error/nine_error.rs:66:8 [INFO] [stderr] | [INFO] [stderr] 66 | struct Person { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `phone_number` [INFO] [stderr] --> src/test/nine_error/nine_error.rs:71:5 [INFO] [stderr] | [INFO] [stderr] 71 | phone_number: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Job` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/test/nine_error/nine_error.rs:69:10 [INFO] [stderr] | [INFO] [stderr] 69 | #[derive(Clone, Copy)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `area_code` [INFO] [stderr] --> src/test/nine_error/nine_error.rs:76:5 [INFO] [stderr] | [INFO] [stderr] 76 | area_code: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `PhoneNumber` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/test/nine_error/nine_error.rs:74:10 [INFO] [stderr] | [INFO] [stderr] 74 | #[derive(Clone, Copy)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `number` [INFO] [stderr] --> src/test/nine_error/nine_error.rs:77:5 [INFO] [stderr] | [INFO] [stderr] 77 | number: u32, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `PhoneNumber` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/test/nine_error/nine_error.rs:74:10 [INFO] [stderr] | [INFO] [stderr] 74 | #[derive(Clone, Copy)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `work_phone_area_code` [INFO] [stderr] --> src/test/nine_error/nine_error.rs:81:8 [INFO] [stderr] | [INFO] [stderr] 81 | fn work_phone_area_code(&self) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `AliasedResult` [INFO] [stderr] --> src/test/nine_error/nine_error.rs:101:1 [INFO] [stderr] | [INFO] [stderr] 101 | type AliasedResult = Result; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `multiply` [INFO] [stderr] --> src/test/nine_error/nine_error.rs:103:4 [INFO] [stderr] | [INFO] [stderr] 103 | fn multiply(first_number_str: &str, second_number_str: &str) -> AliasedResult { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `printf` [INFO] [stderr] --> src/test/nine_error/nine_error.rs:111:4 [INFO] [stderr] | [INFO] [stderr] 111 | fn printf(result: AliasedResult) { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `fly` [INFO] [stderr] --> src/test/nineteen_top_level/test_top_trait.rs:24:6 [INFO] [stderr] | [INFO] [stderr] 24 | fn fly(&self) { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `returns_closure` [INFO] [stderr] --> src/test/nineteen_top_level/test_top_package.rs:2:4 [INFO] [stderr] | [INFO] [stderr] 2 | fn returns_closure() -> Box i32> { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `random_animal` [INFO] [stderr] --> src/test/nineteen_top_level/test_top_package.rs:32:4 [INFO] [stderr] | [INFO] [stderr] 32 | fn random_animal(random:i32) -> Box{ [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `options` [INFO] [stderr] --> src/test/seventeen_oop/test_trait_common.rs:34:5 [INFO] [stderr] | [INFO] [stderr] 34 | options: Vec, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `V4` [INFO] [stderr] --> src/test/six_em/enum_test.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | V4(u8, u8, u8, u8), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/test/six_em/enum_test.rs:1:10 [INFO] [stderr] | [INFO] [stderr] 1 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `V6` [INFO] [stderr] --> src/test/six_em/enum_test.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | V6(i32), [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/test/six_em/enum_test.rs:1:10 [INFO] [stderr] | [INFO] [stderr] 1 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `get_num` [INFO] [stderr] --> src/test/six_em/enum_test.rs:8:8 [INFO] [stderr] | [INFO] [stderr] 8 | fn get_num(&self) -> i8 { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `Message` [INFO] [stderr] --> src/test/six_em/enum_test.rs:13:6 [INFO] [stderr] | [INFO] [stderr] 13 | enum Message { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Some` [INFO] [stderr] --> src/test/six_em/enum_test.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | Some(T), [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Option` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/test/six_em/enum_test.rs:20:10 [INFO] [stderr] | [INFO] [stderr] 20 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `None` [INFO] [stderr] --> src/test/six_em/enum_test.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | None, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Option` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/test/six_em/enum_test.rs:20:10 [INFO] [stderr] | [INFO] [stderr] 20 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `Coin` [INFO] [stderr] --> src/test/six_em/enum_test.rs:26:6 [INFO] [stderr] | [INFO] [stderr] 26 | enum Coin { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `value_in_cents` [INFO] [stderr] --> src/test/six_em/enum_test.rs:33:4 [INFO] [stderr] | [INFO] [stderr] 33 | fn value_in_cents(coin: Coin) -> u8 { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `plus_one` [INFO] [stderr] --> src/test/six_em/enum_test.rs:55:4 [INFO] [stderr] | [INFO] [stderr] 55 | fn plus_one(x: Option) -> Option { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_one` [INFO] [stderr] --> src/test/six_em/enum_test.rs:62:4 [INFO] [stderr] | [INFO] [stderr] 62 | fn get_one() -> i8 { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_two` [INFO] [stderr] --> src/test/six_em/enum_test.rs:66:4 [INFO] [stderr] | [INFO] [stderr] 66 | fn get_two() -> i8 { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_three` [INFO] [stderr] --> src/test/six_em/enum_test.rs:70:4 [INFO] [stderr] | [INFO] [stderr] 70 | fn get_three() -> i8 { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_other` [INFO] [stderr] --> src/test/six_em/enum_test.rs:74:4 [INFO] [stderr] | [INFO] [stderr] 74 | fn get_other() -> i8 { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `select_fn` [INFO] [stderr] --> src/test/six_em/enum_test.rs:78:4 [INFO] [stderr] | [INFO] [stderr] 78 | fn select_fn(x: i8) -> i8 { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Point` [INFO] [stderr] --> src/test/ten_genericity_trait_/test_genericity.rs:27:8 [INFO] [stderr] | [INFO] [stderr] 27 | struct Point { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `mixup` [INFO] [stderr] --> src/test/ten_genericity_trait_/test_genericity.rs:34:8 [INFO] [stderr] | [INFO] [stderr] 34 | fn mixup(self, other: Point) -> Point { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Empty` [INFO] [stderr] --> src/test/ten_genericity_trait_/test_trait.rs:82:8 [INFO] [stderr] | [INFO] [stderr] 82 | struct Empty; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Null` [INFO] [stderr] --> src/test/ten_genericity_trait_/test_trait.rs:83:8 [INFO] [stderr] | [INFO] [stderr] 83 | struct Null; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `longest` [INFO] [stderr] --> src/test/ten_genericity_trait_/test_lifetime.rs:3:4 [INFO] [stderr] | [INFO] [stderr] 3 | fn longest<'a>(x: &'a str, y: &'a str) -> &'a str { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `s` [INFO] [stderr] --> src/test/ten_genericity_trait_/test_lifetime.rs:12:1 [INFO] [stderr] | [INFO] [stderr] 12 | const s: &'static str = "I have a static lifetime."; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Cacher` [INFO] [stderr] --> src/test/thirteen_iters/test_closure.rs:4:8 [INFO] [stderr] | [INFO] [stderr] 4 | struct Cacher [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/test/thirteen_iters/test_closure.rs:16:8 [INFO] [stderr] | [INFO] [stderr] 16 | fn new(calculation: T) -> Cacher { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `value` [INFO] [stderr] --> src/test/thirteen_iters/test_closure.rs:23:8 [INFO] [stderr] | [INFO] [stderr] 23 | fn value(&mut self, arg: u32) -> u32 { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `generate_workout` [INFO] [stderr] --> src/test/thirteen_iters/test_closure.rs:35:4 [INFO] [stderr] | [INFO] [stderr] 35 | fn generate_workout(intensity: u32, random_number: u32) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `generate_workout1` [INFO] [stderr] --> src/test/thirteen_iters/test_closure.rs:43:4 [INFO] [stderr] | [INFO] [stderr] 43 | fn generate_workout1(intensity: u32, random_number: u32) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/test/thirteen_iters/test_iters.rs:54:6 [INFO] [stderr] | [INFO] [stderr] 54 | fn new() -> Counter { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `search` [INFO] [stderr] --> src/test/thirteen_iters/test_update_io.rs:46:4 [INFO] [stderr] | [INFO] [stderr] 46 | fn search<'a>(query: &'a str, contest: &'a str) -> Vec<&'a str> { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `search` [INFO] [stderr] --> src/test/twelve_cmd/test_file.rs:32:4 [INFO] [stderr] | [INFO] [stderr] 32 | fn search<'a>(query:& 'a str, contest: & 'a str) -> Vec<& 'a str>{ [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `env_vars` [INFO] [stderr] --> src/test/twelve_cmd/test_env_vars.rs:9:4 [INFO] [stderr] | [INFO] [stderr] 9 | fn env_vars(env_name:String) -> Result { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `curLevel` should have a snake case name [INFO] [stderr] --> src/leetcode_test/test_leetcode.rs:11:25 [INFO] [stderr] | [INFO] [stderr] 11 | let curLevel = priority_of(&a.to_string()); [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `cur_level` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `frontLevel` should have a snake case name [INFO] [stderr] --> src/leetcode_test/test_leetcode.rs:12:25 [INFO] [stderr] | [INFO] [stderr] 12 | let frontLevel = priority_of(&front.to_string()); [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to snake case: `front_level` [INFO] [stderr] [INFO] [stderr] warning: function `tailPro` should have a snake case name [INFO] [stderr] --> src/leetcode_test/test_leetcode.rs:36:8 [INFO] [stderr] | [INFO] [stderr] 36 | pub fn tailPro() {} [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `tail_pro` [INFO] [stderr] [INFO] [stderr] warning: module `collect_listLink` should have a snake case name [INFO] [stderr] --> src/test/eight_collector/mod.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | mod collect_listLink; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `collect_list_link` [INFO] [stderr] [INFO] [stderr] warning: module `three_LongestSubstringWithoutRepeatingCharacters_test` should have a snake case name [INFO] [stderr] --> src/test/leetcode_test/mod.rs:1:9 [INFO] [stderr] | [INFO] [stderr] 1 | pub mod three_LongestSubstringWithoutRepeatingCharacters_test; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `three_longest_substring_without_repeating_characters_test` [INFO] [stderr] [INFO] [stderr] warning: constant `s` should have an upper case name [INFO] [stderr] --> src/test/ten_genericity_trait_/test_lifetime.rs:12:8 [INFO] [stderr] | [INFO] [stderr] 12 | const s: &'static str = "I have a static lifetime."; [INFO] [stderr] | ^ help: convert the identifier to upper case (notice the capitalization): `S` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trailing semicolon in macro used in expression position [INFO] [stderr] --> src/macro_rule/test_macro_rule.rs:5:25 [INFO] [stderr] | [INFO] [stderr] 5 | println!("Hello!"); [INFO] [stderr] | ^ [INFO] [stderr] ... [INFO] [stderr] 11 | say_hello!() [INFO] [stderr] | ------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #79813 [INFO] [stderr] = note: macro invocations at the end of a block are treated as expressions [INFO] [stderr] = note: to ignore the value produced by the macro, add a semicolon after the invocation of `say_hello` [INFO] [stderr] = note: this warning originates in the macro `say_hello` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused import: `collections::btree_map::Values` [INFO] [stderr] --> src/test/twelve_cmd/test_file.rs:1:15 [INFO] [stderr] | [INFO] [stderr] 1 | use std::{fs, collections::btree_map::Values}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `token` [INFO] [stderr] --> src/leetcode_test/test_leetcode.rs:78:9 [INFO] [stderr] | [INFO] [stderr] 78 | let token: Vec = vec![ [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_token` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v1` [INFO] [stderr] --> src/test/eight_collector/collector_test.rs:6:10 [INFO] [stderr] | [INFO] [stderr] 6 | let v1 = vec![1, 2, 3]; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_v1` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v2` [INFO] [stderr] --> src/test/eight_collector/collector_test.rs:8:9 [INFO] [stderr] | [INFO] [stderr] 8 | let v2:[i32;5] =[1,2,3,4,5]; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_v2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v3` [INFO] [stderr] --> src/test/eight_collector/collector_test.rs:10:9 [INFO] [stderr] | [INFO] [stderr] 10 | let v3:[i32;5]=[0;5]; // 这个设置默认值五个0 [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_v3` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `row` [INFO] [stderr] --> src/test/eight_collector/collector_test.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | let row = vec![ [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_row` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/test/eight_collector/collector_test.rs:39:9 [INFO] [stderr] | [INFO] [stderr] 39 | let s = "initial contents".to_string(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/test/eight_collector/collector_test.rs:40:9 [INFO] [stderr] | [INFO] [stderr] 40 | let s = String::from("initial contents"); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `list` [INFO] [stderr] --> src/test/fifteen_smart_point/test_box_point.rs:8:9 [INFO] [stderr] | [INFO] [stderr] 8 | let list = List::Cons(1,Box::new(List::Cons(2,Box::new(List::Cons(3,Box::new(List::Nil)))))); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_list` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `d` [INFO] [stderr] --> src/test/fifteen_smart_point/test_drop_point.rs:16:9 [INFO] [stderr] | [INFO] [stderr] 16 | let d = CustomSmartPointer { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/test/nine_error/error_map.rs:58:14 [INFO] [stderr] | [INFO] [stderr] 58 | Some(f) => {println!("is delision")}, [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cooked_carrot` [INFO] [stderr] --> src/test/nine_error/error_map.rs:70:9 [INFO] [stderr] | [INFO] [stderr] 70 | let cooked_carrot = cook(chop(peer(carrot))); [INFO] [stderr] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cooked_carrot` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> src/test/nineteen_top_level/test_top_trait.rs:56:7 [INFO] [stderr] | [INFO] [stderr] 56 | let c = Counter{}; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `aa` [INFO] [stderr] --> src/test/six_em/enum_test.rs:120:9 [INFO] [stderr] | [INFO] [stderr] 120 | let aa = crate::test::five_struct::struct_test::create_user(); [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_aa` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t2` [INFO] [stderr] --> src/test/sixteen_thread/test_thread_first.rs:78:8 [INFO] [stderr] | [INFO] [stderr] 78 | let t2 = thread::spawn(move || { [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_t2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `sum` [INFO] [stderr] --> src/test/sixteen_thread/test_shared_concurrency.rs:10:13 [INFO] [stderr] | [INFO] [stderr] 10 | let mut sum = 0; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_sum` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v1` [INFO] [stderr] --> src/test/thirteen_iters/test_closure.rs:94:9 [INFO] [stderr] | [INFO] [stderr] 94 | let v1 = c.value(1); [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_v1` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `pair` [INFO] [stderr] --> src/test/thirteen_iters/test_closure.rs:101:9 [INFO] [stderr] | [INFO] [stderr] 101 | let pair = (2, -2); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_pair` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/test/sixteen_thread/test_shared_concurrency.rs:10:9 [INFO] [stderr] | [INFO] [stderr] 10 | let mut sum = 0; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Nickel` [INFO] [stderr] --> src/test/six_em/enum_test.rs:28:5 [INFO] [stderr] | [INFO] [stderr] 28 | Nickel(u8), [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Dime` [INFO] [stderr] --> src/test/six_em/enum_test.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | Dime(u8), [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Quarter` [INFO] [stderr] --> src/test/six_em/enum_test.rs:30:5 [INFO] [stderr] | [INFO] [stderr] 30 | Quarter(u8), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `Stu` should have a snake case name [INFO] [stderr] --> src/one_display/test_display.rs:44:9 [INFO] [stderr] | [INFO] [stderr] 44 | let Stu = Structure(4); [INFO] [stderr] | ^^^ help: convert the identifier to snake case (notice the capitalization): `stu` [INFO] [stderr] [INFO] [stderr] warning: function `test_linkList` should have a snake case name [INFO] [stderr] --> src/test/eight_collector/collect_listLink.rs:34:4 [INFO] [stderr] | [INFO] [stderr] 34 | fn test_linkList(){ [INFO] [stderr] | ^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_link_list` [INFO] [stderr] [INFO] [stderr] warning: function `test_typesChange` should have a snake case name [INFO] [stderr] --> src/test/eight_collector/collect_listLink.rs:52:4 [INFO] [stderr] | [INFO] [stderr] 52 | fn test_typesChange(){ [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_types_change` [INFO] [stderr] [INFO] [stderr] warning: function `test_Type` should have a snake case name [INFO] [stderr] --> src/test/nineteen_top_level/test_top_trait.rs:55:4 [INFO] [stderr] | [INFO] [stderr] 55 | fn test_Type(){ [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `test_type` [INFO] [stderr] [INFO] [stderr] warning: function `test_randonAnimal` should have a snake case name [INFO] [stderr] --> src/test/nineteen_top_level/test_top_package.rs:41:4 [INFO] [stderr] | [INFO] [stderr] 41 | fn test_randonAnimal(){ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_randon_animal` [INFO] [stderr] [INFO] [stderr] warning: `hello_cargo` (lib) generated 107 warnings [INFO] [stderr] warning: `hello_cargo` (lib test) generated 72 warnings (44 duplicates) [INFO] [stderr] warning: unused variable: `res` [INFO] [stderr] --> src/main.rs:10:9 [INFO] [stderr] | [INFO] [stderr] 10 | let res = easy_one_server::easy_one_server(); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `secret_number` [INFO] [stderr] --> src/main.rs:17:9 [INFO] [stderr] | [INFO] [stderr] 17 | let secret_number = rand::thread_rng().gen_range(1, 101); [INFO] [stderr] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_secret_number` [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `NUM` [INFO] [stderr] --> src/main.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | const NUM: u32 = 10; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test` [INFO] [stderr] --> src/main.rs:14:4 [INFO] [stderr] | [INFO] [stderr] 14 | fn test() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: `hello_cargo` (bin "hello_cargo" test) generated 4 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hello_cargo-dbc631be50858ed2) [INFO] [stdout] [INFO] [stdout] running 62 tests [INFO] [stdout] test macro_rule::test_macro_rule::test ... ok [INFO] [stdout] test one_display::test_display::test_display ... ok [INFO] [stdout] test one_display::test_display::test_display_list ... ok [INFO] [stdout] test test::eight_collector::collect_listLink::test_typesChange ... ok [INFO] [stdout] test test::eight_collector::collect_listLink::test_linkList ... ok [INFO] [stdout] test test::eleven_autotest::test_autotest::tests::add_three_and_two ... ignored, test [INFO] [stdout] test test::eight_collector::collector_test::test_vector ... ok [INFO] [stdout] test test::eight_collector::test_hashmap::test_hash_map ... ok [INFO] [stdout] test test::eleven_autotest::test_autotest::tests::one_hundred ... ok [INFO] [stdout] test test::fifteen_smart_point::test_box_point::test_box ... ok [INFO] [stdout] test test::fifteen_smart_point::test_deref::test_box_first ... ok [INFO] [stdout] test test::fifteen_smart_point::test_deref::test_deref_first ... ok [INFO] [stdout] test test::fifteen_smart_point::test_drop_point::test_drop ... ok [INFO] [stdout] test test::eight_collector::collector_test::test_string ... ok [INFO] [stdout] test test::fifteen_smart_point::test_box_point::test_con_list ... ok [INFO] [stdout] test test::four_owner::test_heap_stack::test_slice ... ok [INFO] [stdout] test test::leetcode_test::three_LongestSubstringWithoutRepeatingCharacters_test::test_length_of_longest_substring ... ok [INFO] [stdout] test test::eleven_autotest::test_autotest::tests::add_two_and_two ... ok [INFO] [stdout] test test::nine_error::error_andthen::test_andthen ... ok [INFO] [stdout] test test::nine_error::error_map::test_cookie ... ok [INFO] [stdout] test test::nine_error::front_return_error::test_front_result ... ok [INFO] [stdout] test test::nineteen_top_level::test_top_trait::test_Type ... ok [INFO] [stdout] test test::nine_error::nine_error::test_hahaha ... ok [INFO] [stdout] test test::nineteen_top_level::test_top_trait::test_implement ... ok [INFO] [stdout] test test::nine_error::nine_error::test_parse ... ok [INFO] [stdout] test test::seventeen_oop::test_trait_common::test_trait_common ... ok [INFO] [stdout] test test::nineteen_top_level::test_top_package::test_top_package ... ok [INFO] [stdout] test test::six_em::enum_other_test::test_other_enum ... ok [INFO] [stdout] test test::six_em::enum_test::test_enum ... ok [INFO] [stdout] test test::nine_error::errors_handler::test_map_or ... ok [INFO] [stdout] test test::nine_error::nine_error::test_option_judge ... ok [INFO] [stdout] test test::nineteen_top_level::test_top_package::test_randonAnimal ... ok [INFO] [stdout] test test::six_em::enum_test::test_match ... ok [INFO] [stdout] test test::ten_genericity_trait_::test_genericity::main ... ok [INFO] [stdout] test test::ten_genericity_trait_::test_lifetime::test_lifetime ... ok [INFO] [stdout] test test::ten_genericity_trait_::test_trait::test_trait ... ok [INFO] [stdout] test test::thirteen_iters::test_closure::call_with_different_values ... ok [INFO] [stdout] test test::thirteen_iters::test_closure::test_guard_match ... ok [INFO] [stdout] test test::thirteen_iters::test_closure::test_match_other ... ok [INFO] [stdout] test test::thirteen_iters::test_iters::calling_next_directly ... ok [INFO] [stdout] test test::thirteen_iters::test_iters::test_iter ... ok [INFO] [stdout] test test::thirteen_iters::test_iters::test_iter1 ... ok [INFO] [stdout] test test::thirteen_iters::test_iters::test_iter_filter ... ok [INFO] [stdout] test test::thirteen_iters::test_iters::test_iter_rev ... ok [INFO] [stdout] test test::thirteen_iters::test_iters::test_iter_zip ... ok [INFO] [stdout] test test::thirteen_iters::test_iters::test_iters2 ... ok [INFO] [stdout] test test::thirteen_iters::test_update_io::test_assert1 ... ok [INFO] [stdout] test leetcode_test::test_leetcode::leetcode_test ... ok [INFO] [stdout] test test::twelve_cmd::test_file::test_assert ... ok [INFO] [stdout] test test::sixteen_thread::test_thread_first::test_move ... ok [INFO] [stdout] test test::sixteen_thread::test_thread_first::test_channel_two ... ok [INFO] [stdout] test test::two_three_example::types_test::test_array ... ok [INFO] [stdout] test test::two_three_example::types_test::test_rand ... ok [INFO] [stdout] test test::twelve_cmd::test_env_vars::test_env_vars ... ok [INFO] [stdout] test test::sixteen_thread::test_shared_concurrency::test_mutex ... ok [INFO] [stdout] test test::twelve_cmd::test_file::test_read_file ... FAILED [INFO] [stdout] test test::two_three_example::types_test::test_ordering ... FAILED [INFO] [stdout] test test::two_three_example::types_test::test_tuple - should panic ... ok [INFO] [stdout] test test::twelve_cmd::test_cmd_env::test_cmd ... FAILED [INFO] [stdout] test test::sixteen_thread::test_thread_first::test_thread_first ... ok [INFO] [stdout] test test::thirteen_iters::test_closure::test_closure ... ok [INFO] [stdout] test test::sixteen_thread::test_thread_first::test_channel ... ok [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- test::twelve_cmd::test_file::test_read_file stdout ---- [INFO] [stdout] In file hello.txt [INFO] [stdout] thread 'test::twelve_cmd::test_file::test_read_file' panicked at 'hello11111: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/test/twelve_cmd/test_file.rs:10:10 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x559b859284bd - std::backtrace_rs::backtrace::libunwind::trace::ha359b7f0090e2792 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x559b859284bd - std::backtrace_rs::backtrace::trace_unsynchronized::h0584631f25c1d70e [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x559b859284bd - std::sys_common::backtrace::_print_fmt::hdadffd97d279ff14 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stdout] 3: 0x559b859284bd - ::fmt::h26f189e611080a74 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stdout] 4: 0x559b8594bc0c - core::fmt::write::hfb5d11dfe037e8b7 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/fmt/mod.rs:1194:17 [INFO] [stdout] 5: 0x559b859249e1 - std::io::Write::write_fmt::h6a24ec64406df9e2 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/io/mod.rs:1655:15 [INFO] [stdout] 6: 0x559b8592a205 - std::sys_common::backtrace::_print::h7a0e44402913ba60 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stdout] 7: 0x559b8592a205 - std::sys_common::backtrace::print::h9767dc455a84e728 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stdout] 8: 0x559b8592a205 - std::panicking::default_hook::{{closure}}::h60afd6c8b12988ad [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x559b85929ef4 - std::panicking::default_hook::ha7b9bac6813f9d21 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:311:9 [INFO] [stdout] 10: 0x559b8592a752 - std::panicking::rust_panic_with_hook::h7b117a162a6f8664 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:698:17 [INFO] [stdout] 11: 0x559b8592a637 - std::panicking::begin_panic_handler::{{closure}}::h346750923c608600 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:588:13 [INFO] [stdout] 12: 0x559b85928974 - std::sys_common::backtrace::__rust_end_short_backtrace::h768c56c6a0c055c0 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stdout] 13: 0x559b8592a369 - rust_begin_unwind [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:584:5 [INFO] [stdout] 14: 0x559b8583a8a3 - core::panicking::panic_fmt::h5c41cb2fa118fdbc [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panicking.rs:143:14 [INFO] [stdout] 15: 0x559b8583a993 - core::result::unwrap_failed::h6bc7b183ec719494 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/result.rs:1785:5 [INFO] [stdout] 16: 0x559b85863935 - core::result::Result::expect::h7f004e18de60b5d1 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/result.rs:1035:23 [INFO] [stdout] 17: 0x559b858428c3 - hello_cargo::test::twelve_cmd::test_file::test_read_file::h4742e59f3998847e [INFO] [stdout] at /opt/rustwide/workdir/src/test/twelve_cmd/test_file.rs:9:20 [INFO] [stdout] 18: 0x559b858427fa - hello_cargo::test::twelve_cmd::test_file::test_read_file::{{closure}}::hd0f334a76e527063 [INFO] [stdout] at /opt/rustwide/workdir/src/test/twelve_cmd/test_file.rs:5:1 [INFO] [stdout] 19: 0x559b8586e2de - core::ops::function::FnOnce::call_once::h8f7c688e9f93a93f [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x559b858c4ad3 - core::ops::function::FnOnce::call_once::h018fc248431ce8de [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x559b858c4ad3 - test::__rust_begin_short_backtrace::h293b982b6069d6e3 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:574:5 [INFO] [stdout] 22: 0x559b858c3889 - as core::ops::function::FnOnce>::call_once::h4fc1be1a762c7a46 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/alloc/src/boxed.rs:1861:9 [INFO] [stdout] 23: 0x559b858c3889 - as core::ops::function::FnOnce<()>>::call_once::hd44623ec51b9e897 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x559b858c3889 - std::panicking::try::do_call::ha8cfa4b025f5b832 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:492:40 [INFO] [stdout] 25: 0x559b858c3889 - std::panicking::try::h664f75e41c112145 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:456:19 [INFO] [stdout] 26: 0x559b858c3889 - std::panic::catch_unwind::h4932ec05cd60558e [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panic.rs:137:14 [INFO] [stdout] 27: 0x559b858c3889 - test::run_test_in_process::ha14a47756671755c [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:597:18 [INFO] [stdout] 28: 0x559b858c3889 - test::run_test::run_test_inner::{{closure}}::h0ec9e37c8f67b62d [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:491:39 [INFO] [stdout] 29: 0x559b8588fa3e - test::run_test::run_test_inner::{{closure}}::hd9d2e7f26d4f59e6 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:518:37 [INFO] [stdout] 30: 0x559b8588fa3e - std::sys_common::backtrace::__rust_begin_short_backtrace::h41c0a39fac5123f8 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stdout] 31: 0x559b85894fa8 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h69a02ca0bebb6eeb [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/thread/mod.rs:498:17 [INFO] [stdout] 32: 0x559b85894fa8 - as core::ops::function::FnOnce<()>>::call_once::hdd05632920ce689b [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x559b85894fa8 - std::panicking::try::do_call::hb4947142729b90fd [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:492:40 [INFO] [stdout] 34: 0x559b85894fa8 - std::panicking::try::h15a7e9b8394e6878 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:456:19 [INFO] [stdout] 35: 0x559b85894fa8 - std::panic::catch_unwind::hbd3f4a3f9df49b85 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panic.rs:137:14 [INFO] [stdout] 36: 0x559b85894fa8 - std::thread::Builder::spawn_unchecked_::{{closure}}::h880b5d5f1b9799f4 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/thread/mod.rs:497:30 [INFO] [stdout] 37: 0x559b85894fa8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h304d5eaf401f5061 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 38: 0x559b8592ef63 - as core::ops::function::FnOnce>::call_once::hdba7f2afed0c35b3 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/alloc/src/boxed.rs:1861:9 [INFO] [stdout] 39: 0x559b8592ef63 - as core::ops::function::FnOnce>::call_once::h38b0832765bf7961 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/alloc/src/boxed.rs:1861:9 [INFO] [stdout] 40: 0x559b8592ef63 - std::sys::unix::thread::Thread::new::thread_start::h70236dc17753425e [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 41: 0x7f857a545609 - start_thread [INFO] [stdout] 42: 0x7f857a7ce163 - clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- test::two_three_example::types_test::test_ordering stdout ---- [INFO] [stdout] Guess the number! [INFO] [stdout] Please input your guess. [INFO] [stdout] thread 'test::two_three_example::types_test::test_ordering' panicked at 'Please type a number!: ParseIntError { kind: Empty }', src/test/two_three_example/types_test.rs:37:43 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x559b859284bd - std::backtrace_rs::backtrace::libunwind::trace::ha359b7f0090e2792 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x559b859284bd - std::backtrace_rs::backtrace::trace_unsynchronized::h0584631f25c1d70e [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x559b859284bd - std::sys_common::backtrace::_print_fmt::hdadffd97d279ff14 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stdout] 3: 0x559b859284bd - ::fmt::h26f189e611080a74 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stdout] 4: 0x559b8594bc0c - core::fmt::write::hfb5d11dfe037e8b7 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/fmt/mod.rs:1194:17 [INFO] [stdout] 5: 0x559b859249e1 - std::io::Write::write_fmt::h6a24ec64406df9e2 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/io/mod.rs:1655:15 [INFO] [stdout] 6: 0x559b8592a205 - std::sys_common::backtrace::_print::h7a0e44402913ba60 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stdout] 7: 0x559b8592a205 - std::sys_common::backtrace::print::h9767dc455a84e728 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stdout] 8: 0x559b8592a205 - std::panicking::default_hook::{{closure}}::h60afd6c8b12988ad [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x559b85929ef4 - std::panicking::default_hook::ha7b9bac6813f9d21 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:311:9 [INFO] [stdout] 10: 0x559b8592a752 - std::panicking::rust_panic_with_hook::h7b117a162a6f8664 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:698:17 [INFO] [stdout] 11: 0x559b8592a637 - std::panicking::begin_panic_handler::{{closure}}::h346750923c608600 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:588:13 [INFO] [stdout] 12: 0x559b85928974 - std::sys_common::backtrace::__rust_end_short_backtrace::h768c56c6a0c055c0 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stdout] 13: 0x559b8592a369 - rust_begin_unwind [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:584:5 [INFO] [stdout] 14: 0x559b8583a8a3 - core::panicking::panic_fmt::h5c41cb2fa118fdbc [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panicking.rs:143:14 [INFO] [stdout] 15: 0x559b8583a993 - core::result::unwrap_failed::h6bc7b183ec719494 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/result.rs:1785:5 [INFO] [stdout] 16: 0x559b85863872 - core::result::Result::expect::h77644de25bf474df [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/result.rs:1035:23 [INFO] [stdout] 17: 0x559b85879f61 - hello_cargo::test::two_three_example::types_test::test_ordering::hbd67cf4665d9e303 [INFO] [stdout] at /opt/rustwide/workdir/src/test/two_three_example/types_test.rs:37:22 [INFO] [stdout] 18: 0x559b85879d9a - hello_cargo::test::two_three_example::types_test::test_ordering::{{closure}}::h9ac6422e2f73c926 [INFO] [stdout] at /opt/rustwide/workdir/src/test/two_three_example/types_test.rs:29:1 [INFO] [stdout] 19: 0x559b8586e98e - core::ops::function::FnOnce::call_once::hed2cfde9d366bf8f [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x559b858c4ad3 - core::ops::function::FnOnce::call_once::h018fc248431ce8de [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x559b858c4ad3 - test::__rust_begin_short_backtrace::h293b982b6069d6e3 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:574:5 [INFO] [stdout] 22: 0x559b858c3889 - as core::ops::function::FnOnce>::call_once::h4fc1be1a762c7a46 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/alloc/src/boxed.rs:1861:9 [INFO] [stdout] 23: 0x559b858c3889 - as core::ops::function::FnOnce<()>>::call_once::hd44623ec51b9e897 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x559b858c3889 - std::panicking::try::do_call::ha8cfa4b025f5b832 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:492:40 [INFO] [stdout] 25: 0x559b858c3889 - std::panicking::try::h664f75e41c112145 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:456:19 [INFO] [stdout] 26: 0x559b858c3889 - std::panic::catch_unwind::h4932ec05cd60558e [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panic.rs:137:14 [INFO] [stdout] 27: 0x559b858c3889 - test::run_test_in_process::ha14a47756671755c [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:597:18 [INFO] [stdout] 28: 0x559b858c3889 - test::run_test::run_test_inner::{{closure}}::h0ec9e37c8f67b62d [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:491:39 [INFO] [stdout] 29: 0x559b8588fa3e - test::run_test::run_test_inner::{{closure}}::hd9d2e7f26d4f59e6 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:518:37 [INFO] [stdout] 30: 0x559b8588fa3e - std::sys_common::backtrace::__rust_begin_short_backtrace::h41c0a39fac5123f8 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stdout] 31: 0x559b85894fa8 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h69a02ca0bebb6eeb [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/thread/mod.rs:498:17 [INFO] [stdout] 32: 0x559b85894fa8 - as core::ops::function::FnOnce<()>>::call_once::hdd05632920ce689b [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x559b85894fa8 - std::panicking::try::do_call::hb4947142729b90fd [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:492:40 [INFO] [stdout] 34: 0x559b85894fa8 - std::panicking::try::h15a7e9b8394e6878 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:456:19 [INFO] [stdout] 35: 0x559b85894fa8 - std::panic::catch_unwind::hbd3f4a3f9df49b85 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panic.rs:137:14 [INFO] [stdout] 36: 0x559b85894fa8 - std::thread::Builder::spawn_unchecked_::{{closure}}::h880b5d5f1b9799f4 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/thread/mod.rs:497:30 [INFO] [stdout] 37: 0x559b85894fa8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h304d5eaf401f5061 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 38: 0x559b8592ef63 - as core::ops::function::FnOnce>::call_once::hdba7f2afed0c35b3 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/alloc/src/boxed.rs:1861:9 [INFO] [stdout] 39: 0x559b8592ef63 - as core::ops::function::FnOnce>::call_once::h38b0832765bf7961 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/alloc/src/boxed.rs:1861:9 [INFO] [stdout] 40: 0x559b8592ef63 - std::sys::unix::thread::Thread::new::thread_start::h70236dc17753425e [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 41: 0x7f857a545609 - start_thread [INFO] [stdout] 42: 0x7f857a7ce163 - clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- test::twelve_cmd::test_cmd_env::test_cmd stdout ---- [INFO] [stdout] thread 'test::twelve_cmd::test_cmd_env::test_cmd' panicked at 'index out of bounds: the len is 1 but the index is 3', src/test/twelve_cmd/test_cmd_env.rs:7:20 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x559b859284bd - std::backtrace_rs::backtrace::libunwind::trace::ha359b7f0090e2792 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x559b859284bd - std::backtrace_rs::backtrace::trace_unsynchronized::h0584631f25c1d70e [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x559b859284bd - std::sys_common::backtrace::_print_fmt::hdadffd97d279ff14 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stdout] 3: 0x559b859284bd - ::fmt::h26f189e611080a74 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stdout] 4: 0x559b8594bc0c - core::fmt::write::hfb5d11dfe037e8b7 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/fmt/mod.rs:1194:17 [INFO] [stdout] 5: 0x559b859249e1 - std::io::Write::write_fmt::h6a24ec64406df9e2 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/io/mod.rs:1655:15 [INFO] [stdout] 6: 0x559b8592a205 - std::sys_common::backtrace::_print::h7a0e44402913ba60 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stdout] 7: 0x559b8592a205 - std::sys_common::backtrace::print::h9767dc455a84e728 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stdout] 8: 0x559b8592a205 - std::panicking::default_hook::{{closure}}::h60afd6c8b12988ad [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x559b85929ef4 - std::panicking::default_hook::ha7b9bac6813f9d21 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:311:9 [INFO] [stdout] 10: 0x559b8592a752 - std::panicking::rust_panic_with_hook::h7b117a162a6f8664 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:698:17 [INFO] [stdout] 11: 0x559b8592a637 - std::panicking::begin_panic_handler::{{closure}}::h346750923c608600 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:588:13 [INFO] [stdout] 12: 0x559b85928974 - std::sys_common::backtrace::__rust_end_short_backtrace::h768c56c6a0c055c0 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stdout] 13: 0x559b8592a369 - rust_begin_unwind [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:584:5 [INFO] [stdout] 14: 0x559b8583a8a3 - core::panicking::panic_fmt::h5c41cb2fa118fdbc [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panicking.rs:143:14 [INFO] [stdout] 15: 0x559b8583a7e2 - core::panicking::panic_bounds_check::h9d07f4c185f11f52 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panicking.rs:84:5 [INFO] [stdout] 16: 0x559b8586503e - >::index::h0534dc046731cb76 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/slice/index.rs:241:10 [INFO] [stdout] 17: 0x559b8583d616 - core::slice::index:: for [T]>::index::hf5651f5ce8942e74 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/slice/index.rs:18:9 [INFO] [stdout] 18: 0x559b8588e3ca - as core::ops::index::Index>::index::h8dfc35070470fad9 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/alloc/src/vec/mod.rs:2533:9 [INFO] [stdout] 19: 0x559b858668f7 - hello_cargo::test::twelve_cmd::test_cmd_env::test_cmd::h5d612ef20a83d052 [INFO] [stdout] at /opt/rustwide/workdir/src/test/twelve_cmd/test_cmd_env.rs:7:20 [INFO] [stdout] 20: 0x559b858668aa - hello_cargo::test::twelve_cmd::test_cmd_env::test_cmd::{{closure}}::h9d78c9beb6804eb3 [INFO] [stdout] at /opt/rustwide/workdir/src/test/twelve_cmd/test_cmd_env.rs:5:1 [INFO] [stdout] 21: 0x559b8586da6e - core::ops::function::FnOnce::call_once::h122b772fb4cc793c [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 22: 0x559b858c4ad3 - core::ops::function::FnOnce::call_once::h018fc248431ce8de [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 23: 0x559b858c4ad3 - test::__rust_begin_short_backtrace::h293b982b6069d6e3 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:574:5 [INFO] [stdout] 24: 0x559b858c3889 - as core::ops::function::FnOnce>::call_once::h4fc1be1a762c7a46 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/alloc/src/boxed.rs:1861:9 [INFO] [stdout] 25: 0x559b858c3889 - as core::ops::function::FnOnce<()>>::call_once::hd44623ec51b9e897 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 26: 0x559b858c3889 - std::panicking::try::do_call::ha8cfa4b025f5b832 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:492:40 [INFO] [stdout] 27: 0x559b858c3889 - std::panicking::try::h664f75e41c112145 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:456:19 [INFO] [stdout] 28: 0x559b858c3889 - std::panic::catch_unwind::h4932ec05cd60558e [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panic.rs:137:14 [INFO] [stdout] 29: 0x559b858c3889 - test::run_test_in_process::ha14a47756671755c [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:597:18 [INFO] [stdout] 30: 0x559b858c3889 - test::run_test::run_test_inner::{{closure}}::h0ec9e37c8f67b62d [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:491:39 [INFO] [stdout] 31: 0x559b8588fa3e - test::run_test::run_test_inner::{{closure}}::hd9d2e7f26d4f59e6 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:518:37 [INFO] [stdout] 32: 0x559b8588fa3e - std::sys_common::backtrace::__rust_begin_short_backtrace::h41c0a39fac5123f8 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stdout] 33: 0x559b85894fa8 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h69a02ca0bebb6eeb [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/thread/mod.rs:498:17 [INFO] [stdout] 34: 0x559b85894fa8 - as core::ops::function::FnOnce<()>>::call_once::hdd05632920ce689b [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 35: 0x559b85894fa8 - std::panicking::try::do_call::hb4947142729b90fd [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:492:40 [INFO] [stdout] 36: 0x559b85894fa8 - std::panicking::try::h15a7e9b8394e6878 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:456:19 [INFO] [stdout] 37: 0x559b85894fa8 - std::panic::catch_unwind::hbd3f4a3f9df49b85 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panic.rs:137:14 [INFO] [stdout] 38: 0x559b85894fa8 - std::thread::Builder::spawn_unchecked_::{{closure}}::h880b5d5f1b9799f4 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/thread/mod.rs:497:30 [INFO] [stdout] 39: 0x559b85894fa8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h304d5eaf401f5061 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 40: 0x559b8592ef63 - as core::ops::function::FnOnce>::call_once::hdba7f2afed0c35b3 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/alloc/src/boxed.rs:1861:9 [INFO] [stdout] 41: 0x559b8592ef63 - as core::ops::function::FnOnce>::call_once::h38b0832765bf7961 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/alloc/src/boxed.rs:1861:9 [INFO] [stdout] 42: 0x559b8592ef63 - std::sys::unix::thread::Thread::new::thread_start::h70236dc17753425e [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 43: 0x7f857a545609 - start_thread [INFO] [stdout] 44: 0x7f857a7ce163 - clone [INFO] [stdout] 45: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] test::twelve_cmd::test_cmd_env::test_cmd [INFO] [stdout] test::twelve_cmd::test_file::test_read_file [INFO] [stdout] test::two_three_example::types_test::test_ordering [INFO] [stdout] [INFO] [stdout] test result: FAILED. 58 passed; 3 failed; 1 ignored; 0 measured; 0 filtered out; finished in 4.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "58a1fe4aea2aa33edbf99710cbe7fcaf1c58f8e8c60f285250f29e50fae8364a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "58a1fe4aea2aa33edbf99710cbe7fcaf1c58f8e8c60f285250f29e50fae8364a", kill_on_drop: false }` [INFO] [stdout] 58a1fe4aea2aa33edbf99710cbe7fcaf1c58f8e8c60f285250f29e50fae8364a