[INFO] fetching crate guessing_game_new_one 0.1.0...
[INFO] testing guessing_game_new_one-0.1.0 against try#bd7d74411512a3dd3b35d2f699c51dd2557c7e7e+cargoflags=-Zbuild-dir-new-layout for pr-149852-1
[INFO] extracting crate guessing_game_new_one 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate guessing_game_new_one 0.1.0
[INFO] finished tweaking crates.io crate guessing_game_new_one 0.1.0
[INFO] tweaked toml for crates.io crate guessing_game_new_one 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate guessing_game_new_one 0.1.0 on toolchain bd7d74411512a3dd3b35d2f699c51dd2557c7e7e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate guessing_game_new_one 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4d0a7b6b7e0d27c70871460abea95796183c97d960cf8e50e814a20d9e1067a
[INFO] running `Command { std: "docker" "start" "-a" "a4d0a7b6b7e0d27c70871460abea95796183c97d960cf8e50e814a20d9e1067a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4d0a7b6b7e0d27c70871460abea95796183c97d960cf8e50e814a20d9e1067a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4d0a7b6b7e0d27c70871460abea95796183c97d960cf8e50e814a20d9e1067a", kill_on_drop: false }`
[INFO] [stdout] a4d0a7b6b7e0d27c70871460abea95796183c97d960cf8e50e814a20d9e1067a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "build" "--frozen" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] d811671768385ef598004f301e2a6b82ed1296abb76c8ad5732e3266d8681832
[INFO] running `Command { std: "docker" "start" "-a" "d811671768385ef598004f301e2a6b82ed1296abb76c8ad5732e3266d8681832", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling guessing_game_new_one v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `file1`
[INFO] [stdout]   --> src/concepts.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let file1 = File::open("hellow.txt").expect("File nahi mili");
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_file1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/vector.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut v = vec![1, 2, 3, 4, 5];
[INFO] [stdout]   |         ----^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Counter` should have a snake case name
[INFO] [stdout]   --> src/maths.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut Counter: HashMap<i32, i32> = HashMap::new();
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `counter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::sleep`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::thread::sleep;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v1`
[INFO] [stdout]   --> src/main.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn filter_items(v1: Vec<i32>) {
[INFO] [stdout]    |                 ^^ help: if this is intentional, prefix it with an underscore: `_v1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut new_file = File::open(path);
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/main.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |         other => 300,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |     let mut summer = 0;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `filter_items` is never used
[INFO] [stdout]   --> src/main.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn filter_items(v1: Vec<i32>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `file_reader` is never used
[INFO] [stdout]   --> src/main.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn file_reader(path: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mean_median_mode` is never used
[INFO] [stdout]   --> src/main.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn mean_median_mode() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `word_counter` is never used
[INFO] [stdout]   --> src/main.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn word_counter() {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `String_Basics` is never used
[INFO] [stdout]   --> src/main.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn String_Basics() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]   --> src/main.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 84 | struct Rectangle {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `can_hold` is never used
[INFO] [stdout]   --> src/main.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | impl Rectangle {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 90 |     fn can_hold(&self, other: &Rectangle) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Message` is never used
[INFO] [stdout]    --> src/main.rs:100:6
[INFO] [stdout]     |
[INFO] [stdout] 100 | enum Message {
[INFO] [stdout]     |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pick_random` is never used
[INFO] [stdout]    --> src/main.rs:107:4
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn pick_random(number: u32) -> u32 {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Coin` is never used
[INFO] [stdout]    --> src/main.rs:115:6
[INFO] [stdout]     |
[INFO] [stdout] 115 | enum Coin {
[INFO] [stdout]     |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `value_coin` is never used
[INFO] [stdout]    --> src/main.rs:122:4
[INFO] [stdout]     |
[INFO] [stdout] 122 | fn value_coin(coin: Coin) -> u8 {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `area_tuple` is never used
[INFO] [stdout]    --> src/main.rs:130:4
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn area_tuple(dimensions: (u32, u32)) -> u32 {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `area_struct` is never used
[INFO] [stdout]    --> src/main.rs:134:4
[INFO] [stdout]     |
[INFO] [stdout] 134 | fn area_struct(rect1: &Rectangle) -> u32 {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]    --> src/main.rs:140:8
[INFO] [stdout]     |
[INFO] [stdout] 140 | struct User {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `struct_example` is never used
[INFO] [stdout]    --> src/main.rs:145:4
[INFO] [stdout]     |
[INFO] [stdout] 145 | fn struct_example() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `array_slicing` is never used
[INFO] [stdout]    --> src/main.rs:153:4
[INFO] [stdout]     |
[INFO] [stdout] 153 | fn array_slicing() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `string_heap` is never used
[INFO] [stdout]    --> src/main.rs:159:4
[INFO] [stdout]     |
[INFO] [stdout] 159 | fn string_heap() {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `string_integer_scope` is never used
[INFO] [stdout]    --> src/main.rs:167:4
[INFO] [stdout]     |
[INFO] [stdout] 167 | fn string_integer_scope() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `give_it_to_string` is never used
[INFO] [stdout]    --> src/main.rs:179:4
[INFO] [stdout]     |
[INFO] [stdout] 179 | fn give_it_to_string(s: &String) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `give_to_integer` is never used
[INFO] [stdout]    --> src/main.rs:183:4
[INFO] [stdout]     |
[INFO] [stdout] 183 | fn give_to_integer(x: u32) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `learning_3` is never used
[INFO] [stdout]    --> src/main.rs:187:4
[INFO] [stdout]     |
[INFO] [stdout] 187 | fn learning_3() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `looper` is never used
[INFO] [stdout]    --> src/main.rs:191:4
[INFO] [stdout]     |
[INFO] [stdout] 191 | fn looper() {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `guesser` is never used
[INFO] [stdout]    --> src/main.rs:197:4
[INFO] [stdout]     |
[INFO] [stdout] 197 | fn guesser() {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `expression_understand` is never used
[INFO] [stdout]    --> src/main.rs:227:4
[INFO] [stdout]     |
[INFO] [stdout] 227 | fn expression_understand() -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `understanding_loops` is never used
[INFO] [stdout]    --> src/main.rs:236:4
[INFO] [stdout]     |
[INFO] [stdout] 236 | fn understanding_loops() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `String_Basics` should have a snake case name
[INFO] [stdout]   --> src/main.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn String_Basics() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^ help: convert the identifier to snake case: `string_basics`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.23s
[INFO] running `Command { std: "docker" "inspect" "d811671768385ef598004f301e2a6b82ed1296abb76c8ad5732e3266d8681832", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d811671768385ef598004f301e2a6b82ed1296abb76c8ad5732e3266d8681832", kill_on_drop: false }`
[INFO] [stdout] d811671768385ef598004f301e2a6b82ed1296abb76c8ad5732e3266d8681832
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "--no-run" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 69658e18362424116c9f82f99d3b70da1ea04e8758f87d012c595bd2ba7c113f
[INFO] running `Command { std: "docker" "start" "-a" "69658e18362424116c9f82f99d3b70da1ea04e8758f87d012c595bd2ba7c113f", kill_on_drop: false }`
[INFO] [stderr]    Compiling guessing_game_new_one v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `file1`
[INFO] [stdout]   --> src/concepts.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let file1 = File::open("hellow.txt").expect("File nahi mili");
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_file1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/vector.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut v = vec![1, 2, 3, 4, 5];
[INFO] [stdout]   |         ----^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Counter` should have a snake case name
[INFO] [stdout]   --> src/maths.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut Counter: HashMap<i32, i32> = HashMap::new();
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `counter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::sleep`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::thread::sleep;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v1`
[INFO] [stdout]   --> src/main.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn filter_items(v1: Vec<i32>) {
[INFO] [stdout]    |                 ^^ help: if this is intentional, prefix it with an underscore: `_v1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut new_file = File::open(path);
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/main.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |         other => 300,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |     let mut summer = 0;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file1`
[INFO] [stdout]   --> src/concepts.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let file1 = File::open("hellow.txt").expect("File nahi mili");
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_file1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `filter_items` is never used
[INFO] [stdout]   --> src/main.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn filter_items(v1: Vec<i32>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `file_reader` is never used
[INFO] [stdout]   --> src/main.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn file_reader(path: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mean_median_mode` is never used
[INFO] [stdout]   --> src/main.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn mean_median_mode() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `word_counter` is never used
[INFO] [stdout]   --> src/main.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn word_counter() {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `String_Basics` is never used
[INFO] [stdout]   --> src/main.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn String_Basics() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]   --> src/main.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 84 | struct Rectangle {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `can_hold` is never used
[INFO] [stdout]   --> src/main.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | impl Rectangle {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 90 |     fn can_hold(&self, other: &Rectangle) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Message` is never used
[INFO] [stdout]    --> src/main.rs:100:6
[INFO] [stdout]     |
[INFO] [stdout] 100 | enum Message {
[INFO] [stdout]     |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pick_random` is never used
[INFO] [stdout]    --> src/main.rs:107:4
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn pick_random(number: u32) -> u32 {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Coin` is never used
[INFO] [stdout]    --> src/main.rs:115:6
[INFO] [stdout]     |
[INFO] [stdout] 115 | enum Coin {
[INFO] [stdout]     |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `value_coin` is never used
[INFO] [stdout]    --> src/main.rs:122:4
[INFO] [stdout]     |
[INFO] [stdout] 122 | fn value_coin(coin: Coin) -> u8 {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `area_tuple` is never used
[INFO] [stdout]    --> src/main.rs:130:4
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn area_tuple(dimensions: (u32, u32)) -> u32 {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `area_struct` is never used
[INFO] [stdout]    --> src/main.rs:134:4
[INFO] [stdout]     |
[INFO] [stdout] 134 | fn area_struct(rect1: &Rectangle) -> u32 {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]    --> src/main.rs:140:8
[INFO] [stdout]     |
[INFO] [stdout] 140 | struct User {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `struct_example` is never used
[INFO] [stdout]    --> src/main.rs:145:4
[INFO] [stdout]     |
[INFO] [stdout] 145 | fn struct_example() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `array_slicing` is never used
[INFO] [stdout]    --> src/main.rs:153:4
[INFO] [stdout]     |
[INFO] [stdout] 153 | fn array_slicing() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `string_heap` is never used
[INFO] [stdout]    --> src/main.rs:159:4
[INFO] [stdout]     |
[INFO] [stdout] 159 | fn string_heap() {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `string_integer_scope` is never used
[INFO] [stdout]    --> src/main.rs:167:4
[INFO] [stdout]     |
[INFO] [stdout] 167 | fn string_integer_scope() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `give_it_to_string` is never used
[INFO] [stdout]    --> src/main.rs:179:4
[INFO] [stdout]     |
[INFO] [stdout] 179 | fn give_it_to_string(s: &String) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `give_to_integer` is never used
[INFO] [stdout]    --> src/main.rs:183:4
[INFO] [stdout]     |
[INFO] [stdout] 183 | fn give_to_integer(x: u32) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `learning_3` is never used
[INFO] [stdout]    --> src/main.rs:187:4
[INFO] [stdout]     |
[INFO] [stdout] 187 | fn learning_3() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `looper` is never used
[INFO] [stdout]    --> src/main.rs:191:4
[INFO] [stdout]     |
[INFO] [stdout] 191 | fn looper() {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `guesser` is never used
[INFO] [stdout]    --> src/main.rs:197:4
[INFO] [stdout]     |
[INFO] [stdout] 197 | fn guesser() {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `expression_understand` is never used
[INFO] [stdout]    --> src/main.rs:227:4
[INFO] [stdout]     |
[INFO] [stdout] 227 | fn expression_understand() -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `understanding_loops` is never used
[INFO] [stdout]    --> src/main.rs:236:4
[INFO] [stdout]     |
[INFO] [stdout] 236 | fn understanding_loops() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `String_Basics` should have a snake case name
[INFO] [stdout]   --> src/main.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn String_Basics() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^ help: convert the identifier to snake case: `string_basics`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/vector.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut v = vec![1, 2, 3, 4, 5];
[INFO] [stdout]   |         ----^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Counter` should have a snake case name
[INFO] [stdout]   --> src/maths.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut Counter: HashMap<i32, i32> = HashMap::new();
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `counter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "69658e18362424116c9f82f99d3b70da1ea04e8758f87d012c595bd2ba7c113f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69658e18362424116c9f82f99d3b70da1ea04e8758f87d012c595bd2ba7c113f", kill_on_drop: false }`
[INFO] [stdout] 69658e18362424116c9f82f99d3b70da1ea04e8758f87d012c595bd2ba7c113f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] b3d3a6cc5540547b1a3c5eba61c72d16474b277984081b9e1bfbeff127fe1b52
[INFO] running `Command { std: "docker" "start" "-a" "b3d3a6cc5540547b1a3c5eba61c72d16474b277984081b9e1bfbeff127fe1b52", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `file1`
[INFO] [stderr]   --> src/concepts.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let file1 = File::open("hellow.txt").expect("File nahi mili");
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_file1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/vector.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 |     let mut v = vec![1, 2, 3, 4, 5];
[INFO] [stderr]   |         ----^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Counter` should have a snake case name
[INFO] [stderr]   --> src/maths.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let mut Counter: HashMap<i32, i32> = HashMap::new();
[INFO] [stderr]    |             ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `counter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `guessing_game_new_one` (lib) generated 3 warnings (run `cargo fix --lib -p guessing_game_new_one` to apply 2 suggestions)
[INFO] [stderr] warning: `guessing_game_new_one` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr] warning: unused import: `std::thread::sleep`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::thread::sleep;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v1`
[INFO] [stderr]   --> src/main.rs:15:17
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn filter_items(v1: Vec<i32>) {
[INFO] [stderr]    |                 ^^ help: if this is intentional, prefix it with an underscore: `_v1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let mut new_file = File::open(path);
[INFO] [stderr]    |         ----^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/main.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |         other => 300,
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:188:9
[INFO] [stderr]     |
[INFO] [stderr] 188 |     let mut summer = 0;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function `filter_items` is never used
[INFO] [stderr]   --> src/main.rs:15:4
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn filter_items(v1: Vec<i32>) {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `file_reader` is never used
[INFO] [stderr]   --> src/main.rs:23:4
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn file_reader(path: &str) {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `mean_median_mode` is never used
[INFO] [stderr]   --> src/main.rs:45:4
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn mean_median_mode() {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `word_counter` is never used
[INFO] [stderr]   --> src/main.rs:60:4
[INFO] [stderr]    |
[INFO] [stderr] 60 | fn word_counter() {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `String_Basics` is never used
[INFO] [stderr]   --> src/main.rs:69:4
[INFO] [stderr]    |
[INFO] [stderr] 69 | fn String_Basics() {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Rectangle` is never constructed
[INFO] [stderr]   --> src/main.rs:84:8
[INFO] [stderr]    |
[INFO] [stderr] 84 | struct Rectangle {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `can_hold` is never used
[INFO] [stderr]   --> src/main.rs:90:8
[INFO] [stderr]    |
[INFO] [stderr] 89 | impl Rectangle {
[INFO] [stderr]    | -------------- method in this implementation
[INFO] [stderr] 90 |     fn can_hold(&self, other: &Rectangle) -> bool {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Message` is never used
[INFO] [stderr]    --> src/main.rs:100:6
[INFO] [stderr]     |
[INFO] [stderr] 100 | enum Message {
[INFO] [stderr]     |      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `pick_random` is never used
[INFO] [stderr]    --> src/main.rs:107:4
[INFO] [stderr]     |
[INFO] [stderr] 107 | fn pick_random(number: u32) -> u32 {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Coin` is never used
[INFO] [stderr]    --> src/main.rs:115:6
[INFO] [stderr]     |
[INFO] [stderr] 115 | enum Coin {
[INFO] [stderr]     |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `value_coin` is never used
[INFO] [stderr]    --> src/main.rs:122:4
[INFO] [stderr]     |
[INFO] [stderr] 122 | fn value_coin(coin: Coin) -> u8 {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `area_tuple` is never used
[INFO] [stderr]    --> src/main.rs:130:4
[INFO] [stderr]     |
[INFO] [stderr] 130 | fn area_tuple(dimensions: (u32, u32)) -> u32 {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `area_struct` is never used
[INFO] [stderr]    --> src/main.rs:134:4
[INFO] [stderr]     |
[INFO] [stderr] 134 | fn area_struct(rect1: &Rectangle) -> u32 {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `User` is never constructed
[INFO] [stderr]    --> src/main.rs:140:8
[INFO] [stderr]     |
[INFO] [stderr] 140 | struct User {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `struct_example` is never used
[INFO] [stderr]    --> src/main.rs:145:4
[INFO] [stderr]     |
[INFO] [stderr] 145 | fn struct_example() {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `array_slicing` is never used
[INFO] [stderr]    --> src/main.rs:153:4
[INFO] [stderr]     |
[INFO] [stderr] 153 | fn array_slicing() {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `string_heap` is never used
[INFO] [stderr]    --> src/main.rs:159:4
[INFO] [stderr]     |
[INFO] [stderr] 159 | fn string_heap() {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `string_integer_scope` is never used
[INFO] [stderr]    --> src/main.rs:167:4
[INFO] [stderr]     |
[INFO] [stderr] 167 | fn string_integer_scope() {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `give_it_to_string` is never used
[INFO] [stderr]    --> src/main.rs:179:4
[INFO] [stderr]     |
[INFO] [stderr] 179 | fn give_it_to_string(s: &String) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `give_to_integer` is never used
[INFO] [stderr]    --> src/main.rs:183:4
[INFO] [stderr]     |
[INFO] [stderr] 183 | fn give_to_integer(x: u32) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `learning_3` is never used
[INFO] [stderr]    --> src/main.rs:187:4
[INFO] [stderr]     |
[INFO] [stderr] 187 | fn learning_3() {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `looper` is never used
[INFO] [stderr]    --> src/main.rs:191:4
[INFO] [stderr]     |
[INFO] [stderr] 191 | fn looper() {
[INFO] [stderr]     |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `guesser` is never used
[INFO] [stderr]    --> src/main.rs:197:4
[INFO] [stderr]     |
[INFO] [stderr] 197 | fn guesser() {
[INFO] [stderr]     |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `expression_understand` is never used
[INFO] [stderr]    --> src/main.rs:227:4
[INFO] [stderr]     |
[INFO] [stderr] 227 | fn expression_understand() -> i32 {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `understanding_loops` is never used
[INFO] [stderr]    --> src/main.rs:236:4
[INFO] [stderr]     |
[INFO] [stderr] 236 | fn understanding_loops() {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `String_Basics` should have a snake case name
[INFO] [stderr]   --> src/main.rs:69:4
[INFO] [stderr]    |
[INFO] [stderr] 69 | fn String_Basics() {
[INFO] [stderr]    |    ^^^^^^^^^^^^^ help: convert the identifier to snake case: `string_basics`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `guessing_game_new_one` (bin "guessing_game_new_one" test) generated 32 warnings (run `cargo fix --bin "guessing_game_new_one" -p guessing_game_new_one --tests` to apply 6 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/guessing_game_new_one/30540ded59082105/deps/guessing_game_new_one-30540ded59082105)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/build/guessing_game_new_one/641bdf33c188edc5/deps/guessing_game_new_one-641bdf33c188edc5)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests guessing_game_new_one
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/concepts.rs - concepts::last_char_of_first_line (line 35) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/concepts.rs - concepts::last_char_of_first_line (line 35) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `guessing_game`
[INFO] [stdout]   --> src/concepts.rs:36:14
[INFO] [stdout]    |
[INFO] [stdout] 36 | let answer = guessing_game::concepts::last_char_of_first_line("Ramesh singhania");
[INFO] [stdout]    |              ^^^^^^^^^^^^^ use of unresolved module or unlinked crate `guessing_game`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `guessing_game`, use `cargo add guessing_game` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout] 35 + use guessing_game_new_one::concepts;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `concepts`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 36 - let answer = guessing_game::concepts::last_char_of_first_line("Ramesh singhania");
[INFO] [stdout] 36 + let answer = concepts::last_char_of_first_line("Ramesh singhania");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/concepts.rs - concepts::last_char_of_first_line (line 35)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "b3d3a6cc5540547b1a3c5eba61c72d16474b277984081b9e1bfbeff127fe1b52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3d3a6cc5540547b1a3c5eba61c72d16474b277984081b9e1bfbeff127fe1b52", kill_on_drop: false }`
[INFO] [stdout] b3d3a6cc5540547b1a3c5eba61c72d16474b277984081b9e1bfbeff127fe1b52
