[INFO] cloning repository https://github.com/mateochauchet/learning_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mateochauchet/learning_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmateochauchet%2Flearning_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmateochauchet%2Flearning_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ceda2aea2ecd5ce400b700841bf97e31ee7c74c9
[INFO] checking mateochauchet/learning_rust against try#e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837 for pr-143619
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmateochauchet%2Flearning_rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mateochauchet/learning_rust
[INFO] finished tweaking git repo https://github.com/mateochauchet/learning_rust
[INFO] tweaked toml for git repo https://github.com/mateochauchet/learning_rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mateochauchet/learning_rust on toolchain e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mateochauchet/learning_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking mateochauchet/learning_rust against try#e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837 for pr-143619
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmateochauchet%2Flearning_rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mateochauchet/learning_rust
[INFO] finished tweaking git repo https://github.com/mateochauchet/learning_rust
[INFO] tweaked toml for git repo https://github.com/mateochauchet/learning_rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mateochauchet/learning_rust on toolchain e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mateochauchet/learning_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 478272c00122e414bd9c103c4adda9c758c300d72217bc105d072b3116a46834
[INFO] running `Command { std: "docker" "start" "-a" "478272c00122e414bd9c103c4adda9c758c300d72217bc105d072b3116a46834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "478272c00122e414bd9c103c4adda9c758c300d72217bc105d072b3116a46834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "478272c00122e414bd9c103c4adda9c758c300d72217bc105d072b3116a46834", kill_on_drop: false }`
[INFO] [stdout] 478272c00122e414bd9c103c4adda9c758c300d72217bc105d072b3116a46834
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ac3f77e24232b47a8d950a7f257fdf73f248e8321b6a6d9e45ef55d3a7dd78b
[INFO] running `Command { std: "docker" "start" "-a" "4ac3f77e24232b47a8d950a7f257fdf73f248e8321b6a6d9e45ef55d3a7dd78b", kill_on_drop: false }`
[INFO] [stderr]     Checking lerning_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/modules/e_if_bucles.rs:61:17
[INFO] [stdout]    |
[INFO] [stdout] 61 |   for number in (1..4) {
[INFO] [stdout]    |                 ^    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 61 -   for number in (1..4) {
[INFO] [stdout] 61 +   for number in 1..4 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Door_state` should have an upper camel case name
[INFO] [stdout]  --> src/modules/i_enums.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Door_state {
[INFO] [stdout]   |      ^^^^^^^^^^ help: convert the identifier to upper camel case: `DoorState`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error`
[INFO] [stdout]  --> src/modules/o_error_handling.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::error;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/modules/e_if_bucles.rs:61:17
[INFO] [stdout]    |
[INFO] [stdout] 61 |   for number in (1..4) {
[INFO] [stdout]    |                 ^    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 61 -   for number in (1..4) {
[INFO] [stdout] 61 +   for number in 1..4 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Door_state` should have an upper camel case name
[INFO] [stdout]  --> src/modules/i_enums.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Door_state {
[INFO] [stdout]   |      ^^^^^^^^^^ help: convert the identifier to upper camel case: `DoorState`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error`
[INFO] [stdout]  --> src/modules/o_error_handling.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::error;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `my_variable` is never read
[INFO] [stdout]  --> src/modules/a_variables.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 |   let mut my_variable = 10;
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `my_variable` is never read
[INFO] [stdout]  --> src/modules/a_variables.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 |   let mut my_variable = 10;
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/modules/a_variables.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 |   let a = 5;
[INFO] [stdout]    |       ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/modules/a_variables.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 |   let a = "hola";
[INFO] [stdout]    |       ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/modules/a_variables.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 |   let a = 5;
[INFO] [stdout]    |       ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/modules/a_variables.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 |   let a = "hola";
[INFO] [stdout]    |       ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/modules/a_variables.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |   let (name, number, active) = player;
[INFO] [stdout]    |        ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number`
[INFO] [stdout]   --> src/modules/a_variables.rs:39:14
[INFO] [stdout]    |
[INFO] [stdout] 39 |   let (name, number, active) = player;
[INFO] [stdout]    |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `active`
[INFO] [stdout]   --> src/modules/a_variables.rs:39:22
[INFO] [stdout]    |
[INFO] [stdout] 39 |   let (name, number, active) = player;
[INFO] [stdout]    |                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_active`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/modules/a_variables.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |   let (name, number, active) = player;
[INFO] [stdout]    |        ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number`
[INFO] [stdout]   --> src/modules/a_variables.rs:39:14
[INFO] [stdout]    |
[INFO] [stdout] 39 |   let (name, number, active) = player;
[INFO] [stdout]    |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `active`
[INFO] [stdout]   --> src/modules/a_variables.rs:39:22
[INFO] [stdout]    |
[INFO] [stdout] 39 |   let (name, number, active) = player;
[INFO] [stdout]    |                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_active`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/modules/b_functions.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 |   let x = 5;
[INFO] [stdout]    |       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/modules/b_functions.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 |   let x = 5;
[INFO] [stdout]    |       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> src/modules/c_tuples.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 |   let (x, y, z) = myTuple;
[INFO] [stdout]   |        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]  --> src/modules/c_tuples.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 |   let (x, y, z) = myTuple;
[INFO] [stdout]   |           ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> src/modules/c_tuples.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 |   let (x, y, z) = myTuple;
[INFO] [stdout]   |        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]  --> src/modules/c_tuples.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 |   let (x, y, z) = myTuple;
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]  --> src/modules/c_tuples.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 |   let (x, y, z) = myTuple;
[INFO] [stdout]   |           ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]  --> src/modules/c_tuples.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 |   let (name, number, active) = player;
[INFO] [stdout]   |        ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]  --> src/modules/c_tuples.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 |   let (x, y, z) = myTuple;
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number`
[INFO] [stdout]  --> src/modules/c_tuples.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 |   let (name, number, active) = player;
[INFO] [stdout]   |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]  --> src/modules/c_tuples.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 |   let (name, number, active) = player;
[INFO] [stdout]   |        ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `active`
[INFO] [stdout]  --> src/modules/c_tuples.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 |   let (name, number, active) = player;
[INFO] [stdout]   |                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_active`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number`
[INFO] [stdout]  --> src/modules/c_tuples.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 |   let (name, number, active) = player;
[INFO] [stdout]   |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]  --> src/modules/d_arrays.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 |   let bytes = [3; 5]; // same as let bytes = [3, 3, 3, 3, 3];
[INFO] [stdout]   |       ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `active`
[INFO] [stdout]  --> src/modules/c_tuples.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 |   let (name, number, active) = player;
[INFO] [stdout]   |                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_active`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]  --> src/modules/d_arrays.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 |   let bytes = [3; 5]; // same as let bytes = [3, 3, 3, 3, 3];
[INFO] [stdout]   |       ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/modules/g_slices.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 |   let mut s = String::from("hello world");
[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/modules/g_slices.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 |   let mut s = String::from("hello world");
[INFO] [stdout]   |       ----^
[INFO] [stdout]   |       |
[INFO] [stdout]   |       help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `slice`
[INFO] [stdout]   --> src/modules/g_slices.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 |   let slice = &a[1..3];
[INFO] [stdout]    |       ^^^^^ help: if this is intentional, prefix it with an underscore: `_slice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `suarez`
[INFO] [stdout]   --> src/modules/h_structs.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 |   let suarez = Player::create("Luis suarez".to_string(), 34, true);
[INFO] [stdout]    |       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_suarez`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `messi_2012`
[INFO] [stdout]   --> src/modules/h_structs.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 |   let messi_2012 = Player {
[INFO] [stdout]    |       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_messi_2012`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `black`
[INFO] [stdout]   --> src/modules/h_structs.rs:55:7
[INFO] [stdout]    |
[INFO] [stdout] 55 |   let black = Color(0, 0, 0);
[INFO] [stdout]    |       ^^^^^ help: if this is intentional, prefix it with an underscore: `_black`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `slice`
[INFO] [stdout]   --> src/modules/g_slices.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 |   let slice = &a[1..3];
[INFO] [stdout]    |       ^^^^^ help: if this is intentional, prefix it with an underscore: `_slice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `suarez`
[INFO] [stdout]   --> src/modules/h_structs.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 |   let suarez = Player::create("Luis suarez".to_string(), 34, true);
[INFO] [stdout]    |       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_suarez`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `messi_2012`
[INFO] [stdout]   --> src/modules/h_structs.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 |   let messi_2012 = Player {
[INFO] [stdout]    |       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_messi_2012`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `my_door`
[INFO] [stdout]   --> src/modules/i_enums.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 |   let my_door = Door{
[INFO] [stdout]    |       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_door`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `black`
[INFO] [stdout]   --> src/modules/h_structs.rs:55:7
[INFO] [stdout]    |
[INFO] [stdout] 55 |   let black = Color(0, 0, 0);
[INFO] [stdout]    |       ^^^^^ help: if this is intentional, prefix it with an underscore: `_black`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `my_door`
[INFO] [stdout]   --> src/modules/i_enums.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 |   let my_door = Door{
[INFO] [stdout]    |       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_door`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row`
[INFO] [stdout]   --> src/modules/l_vectors.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     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/modules/m_strings.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 |   let mut s = String::new();
[INFO] [stdout]   |           ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s2`
[INFO] [stdout]  --> src/modules/m_strings.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 |   let s2 = "Hola ".to_string();
[INFO] [stdout]   |       ^^ help: if this is intentional, prefix it with an underscore: `_s2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s3`
[INFO] [stdout]  --> src/modules/m_strings.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 |   let s3 = String::from("Mundo");
[INFO] [stdout]   |       ^^ help: if this is intentional, prefix it with an underscore: `_s3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s4`
[INFO] [stdout]   --> src/modules/m_strings.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 |   let s4 = h.to_string();
[INFO] [stdout]    |       ^^ help: if this is intentional, prefix it with an underscore: `_s4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/modules/m_strings.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 |   let mut s = String::new();
[INFO] [stdout]   |       ----^
[INFO] [stdout]   |       |
[INFO] [stdout]   |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]   --> src/modules/m_strings.rs:35:7
[INFO] [stdout]    |
[INFO] [stdout] 35 |   let h = &s1[0..4];
[INFO] [stdout]    |       ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]   --> src/modules/m_strings.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 |   let m = &s1[5..10];
[INFO] [stdout]    |       ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `messi_score`
[INFO] [stdout]   --> src/modules/n_hashmaps.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 |   let messi_score = scores.get("messi");
[INFO] [stdout]    |       ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_messi_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row`
[INFO] [stdout]   --> src/modules/l_vectors.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     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/modules/m_strings.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 |   let mut s = String::new();
[INFO] [stdout]   |           ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s2`
[INFO] [stdout]  --> src/modules/m_strings.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 |   let s2 = "Hola ".to_string();
[INFO] [stdout]   |       ^^ help: if this is intentional, prefix it with an underscore: `_s2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s3`
[INFO] [stdout]  --> src/modules/m_strings.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 |   let s3 = String::from("Mundo");
[INFO] [stdout]   |       ^^ help: if this is intentional, prefix it with an underscore: `_s3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s4`
[INFO] [stdout]   --> src/modules/m_strings.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 |   let s4 = h.to_string();
[INFO] [stdout]    |       ^^ help: if this is intentional, prefix it with an underscore: `_s4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/modules/m_strings.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 |   let mut s = String::new();
[INFO] [stdout]   |       ----^
[INFO] [stdout]   |       |
[INFO] [stdout]   |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/modules/o_error_handling.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 |   let f = File::open("hello.txt").unwrap();
[INFO] [stdout]    |       ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/modules/o_error_handling.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 |   let f = File::open("hello.txt").expect("Failed to open hello.txt");
[INFO] [stdout]    |       ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/modules/o_error_handling.rs:35:7
[INFO] [stdout]    |
[INFO] [stdout] 35 |   let f = match f {
[INFO] [stdout]    |       ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]   --> src/modules/m_strings.rs:35:7
[INFO] [stdout]    |
[INFO] [stdout] 35 |   let h = &s1[0..4];
[INFO] [stdout]    |       ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]   --> src/modules/m_strings.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 |   let m = &s1[5..10];
[INFO] [stdout]    |       ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/modules/o_error_handling.rs:46:7
[INFO] [stdout]    |
[INFO] [stdout] 46 |   let f = match f {
[INFO] [stdout]    |       ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/modules/o_error_handling.rs:60:7
[INFO] [stdout]    |
[INFO] [stdout] 60 |   let f = File::open("hello.txt")?;
[INFO] [stdout]    |       ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `messi_score`
[INFO] [stdout]   --> src/modules/n_hashmaps.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 |   let messi_score = scores.get("messi");
[INFO] [stdout]    |       ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_messi_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entero`
[INFO] [stdout]   --> src/modules/p_generics.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 |   let entero = Point { x: 5, y: 10 };
[INFO] [stdout]    |       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_entero`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `decimal`
[INFO] [stdout]   --> src/modules/p_generics.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 |   let decimal = Point { x: 1.0, y: 4.0 };
[INFO] [stdout]    |       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_decimal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entero_decimal`
[INFO] [stdout]   --> src/modules/p_generics.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 |   let entero_decimal = Point2 { x: 5, y: 4.0 };
[INFO] [stdout]    |       ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_entero_decimal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/modules/a_variables.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn main () {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `constants` is never used
[INFO] [stdout]   --> src/modules/a_variables.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn constants () {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `shadowing` is never used
[INFO] [stdout]   --> src/modules/a_variables.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn shadowing () {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tuples` is never used
[INFO] [stdout]   --> src/modules/a_variables.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn tuples () {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/modules/b_functions.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn main () {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_my_name` is never used
[INFO] [stdout]   --> src/modules/b_functions.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn say_my_name (name: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divide_by_5` is never used
[INFO] [stdout]   --> src/modules/b_functions.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn divide_by_5(num: u32) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `expression` is never used
[INFO] [stdout]   --> src/modules/b_functions.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn expression() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/modules/c_tuples.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tuples` is never used
[INFO] [stdout]  --> src/modules/c_tuples.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn tuples () {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/modules/d_arrays.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main () {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/modules/e_if_bucles.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn main () {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `if_expression` is never used
[INFO] [stdout]  --> src/modules/e_if_bucles.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn if_expression (number: u8) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `conditional_expression` is never used
[INFO] [stdout]   --> src/modules/e_if_bucles.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn conditional_expression (number: u8) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `loop_expression` is never used
[INFO] [stdout]   --> src/modules/e_if_bucles.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn loop_expression () {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `while_expression` is never used
[INFO] [stdout]   --> src/modules/e_if_bucles.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn while_expression () {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `for_expression` is never used
[INFO] [stdout]   --> src/modules/e_if_bucles.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn for_expression () {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/modules/f_references.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn main () {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_properties` is never used
[INFO] [stdout]  --> src/modules/f_references.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn take_properties (string: String) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_length` is never used
[INFO] [stdout]   --> src/modules/f_references.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn calculate_length (string: &String) -> (&String, usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mutable_references` is never used
[INFO] [stdout]   --> src/modules/f_references.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn mutable_references () {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `change` is never used
[INFO] [stdout]   --> src/modules/f_references.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn change (some_string: &mut String) {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_value` is never used
[INFO] [stdout]   --> src/modules/f_references.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn print_value(value: &String) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `change_value` is never used
[INFO] [stdout]   --> src/modules/f_references.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn change_value(value: &mut String) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main_2` is never used
[INFO] [stdout]   --> src/modules/f_references.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn main_2() {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/modules/g_slices.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn main() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `first_word_bytes` is never used
[INFO] [stdout]  --> src/modules/g_slices.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn first_word_bytes(string: &String) -> (usize, &String) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `first_word` is never used
[INFO] [stdout]   --> src/modules/g_slices.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn first_word (text: &String) -> &str {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `slices` is never used
[INFO] [stdout]   --> src/modules/g_slices.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn slices() {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Player` is never constructed
[INFO] [stdout]  --> src/modules/h_structs.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Player {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/modules/o_error_handling.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 |   let f = File::open("hello.txt").unwrap();
[INFO] [stdout]    |       ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `create` and `display_name` are never used
[INFO] [stdout]   --> src/modules/h_structs.rs:9:6
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl Player {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 9  |   fn create(name: String, age: u32, is_active: bool) -> Player {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |   fn display_name(&self) {
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/modules/h_structs.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/modules/o_error_handling.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 |   let f = File::open("hello.txt").expect("Failed to open hello.txt");
[INFO] [stdout]    |       ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mutability` is never used
[INFO] [stdout]   --> src/modules/h_structs.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn mutability() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/modules/o_error_handling.rs:35:7
[INFO] [stdout]    |
[INFO] [stdout] 35 |   let f = match f {
[INFO] [stdout]    |       ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tuple_structs` is never used
[INFO] [stdout]   --> src/modules/h_structs.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn tuple_structs() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SoccerPlayer` is never constructed
[INFO] [stdout]   --> src/modules/h_structs.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | struct SoccerPlayer {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `score_goal`, and `transfer` are never used
[INFO] [stdout]   --> src/modules/h_structs.rs:67:6
[INFO] [stdout]    |
[INFO] [stdout] 66 | impl SoccerPlayer {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] 67 |   fn new(name: String, age: u8, position: String, team: String) -> SoccerPlayer {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |   fn score_goal(&mut self) {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |   fn transfer(&mut self, new_team: String) {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main_2` is never used
[INFO] [stdout]   --> src/modules/h_structs.rs:89:4
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn main_2() {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Door_state` is never used
[INFO] [stdout]  --> src/modules/i_enums.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Door_state {
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Door` is never constructed
[INFO] [stdout]  --> src/modules/i_enums.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Door {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/modules/i_enums.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `change_door` is never used
[INFO] [stdout]   --> src/modules/i_enums.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn change_door(state: Door_state) -> Door_state {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Message` is never used
[INFO] [stdout]   --> src/modules/i_enums.rs:34:6
[INFO] [stdout]    |
[INFO] [stdout] 34 | enum Message {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `call` is never used
[INFO] [stdout]   --> src/modules/i_enums.rs:42:6
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl Message {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 42 |   fn call(&self) {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `enum_with_values` is never used
[INFO] [stdout]   --> src/modules/i_enums.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn enum_with_values() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Option` is never used
[INFO] [stdout]   --> src/modules/i_enums.rs:60:6
[INFO] [stdout]    |
[INFO] [stdout] 60 | enum Option<T> {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/modules/matchers.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn main() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `matchers` is never used
[INFO] [stdout]  --> src/modules/matchers.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn matchers() {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Time` is never used
[INFO] [stdout]   --> src/modules/matchers.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum Time {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `value_in_seconds` is never used
[INFO] [stdout]   --> src/modules/matchers.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn value_in_seconds(time: Time) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Month` is never used
[INFO] [stdout]   --> src/modules/matchers.rs:49:6
[INFO] [stdout]    |
[INFO] [stdout] 49 | enum Month {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/modules/k_if_let.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/modules/l_vectors.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vector` is never used
[INFO] [stdout]   --> src/modules/l_vectors.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn vector() {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/modules/o_error_handling.rs:46:7
[INFO] [stdout]    |
[INFO] [stdout] 46 |   let f = match f {
[INFO] [stdout]    |       ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vector2` is never used
[INFO] [stdout]   --> src/modules/l_vectors.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn vector2() {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `iterar_vector` is never used
[INFO] [stdout]   --> src/modules/l_vectors.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn iterar_vector() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SpreadsheetCell` is never used
[INFO] [stdout]   --> src/modules/l_vectors.rs:64:6
[INFO] [stdout]    |
[INFO] [stdout] 64 | enum SpreadsheetCell {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vector_de_enum` is never used
[INFO] [stdout]   --> src/modules/l_vectors.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn vector_de_enum() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/modules/m_strings.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn main() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `string` is never used
[INFO] [stdout]  --> src/modules/m_strings.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn string() {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `string_concatenation` is never used
[INFO] [stdout]   --> src/modules/m_strings.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn string_concatenation() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `string_indexing` is never used
[INFO] [stdout]   --> src/modules/m_strings.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn string_indexing() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/modules/n_hashmaps.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hashmaps` is never used
[INFO] [stdout]  --> src/modules/n_hashmaps.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn hashmaps() {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `recoverable_error` is never used
[INFO] [stdout]   --> src/modules/o_error_handling.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn recoverable_error() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `error_kind` is never used
[INFO] [stdout]   --> src/modules/o_error_handling.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn error_kind() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `error_handling_with_question_mark` is never used
[INFO] [stdout]   --> src/modules/o_error_handling.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn error_handling_with_question_mark() -> Result<String, std::io::Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]  --> src/modules/p_generics.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Point<T> {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point2` is never constructed
[INFO] [stdout]  --> src/modules/p_generics.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Point2<T, U> {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/modules/o_error_handling.rs:60:7
[INFO] [stdout]    |
[INFO] [stdout] 60 |   let f = File::open("hello.txt")?;
[INFO] [stdout]    |       ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/modules/p_generics.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/ejs/triangle.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_area` is never used
[INFO] [stdout]   --> src/ejs/triangle.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn calculate_area(width: u32, height: u32) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dimensions` is never constructed
[INFO] [stdout]   --> src/ejs/triangle.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Dimensions(u32, u32);
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_area_2` is never used
[INFO] [stdout]   --> src/ejs/triangle.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn calculate_area_2(dimensions: Dimensions) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]   --> src/ejs/triangle.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct Rectangle {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_area_3` is never used
[INFO] [stdout]   --> src/ejs/triangle.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn calculate_area_3(rectangle: Rectangle) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `calculate_area` is never used
[INFO] [stdout]   --> src/ejs/triangle.rs:43:6
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl Rectangle {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 43 |   fn calculate_area(&self) -> u32 {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_area_4` is never used
[INFO] [stdout]   --> src/ejs/triangle.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn calculate_area_4(rectangle: Rectangle) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `myTuple` should have a snake case name
[INFO] [stdout]  --> src/modules/c_tuples.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 |   let myTuple: (u8, u8, u8) = (1, 2, 3);
[INFO] [stdout]   |       ^^^^^^^ help: convert the identifier to snake case: `my_tuple`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `myArray` should have a snake case name
[INFO] [stdout]  --> src/modules/d_arrays.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 |   let myArray: [u8; 5] = [1, 2, 3, 4, 5];
[INFO] [stdout]   |       ^^^^^^^ help: convert the identifier to snake case: `my_array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entero`
[INFO] [stdout]   --> src/modules/p_generics.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 |   let entero = Point { x: 5, y: 10 };
[INFO] [stdout]    |       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_entero`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `decimal`
[INFO] [stdout]   --> src/modules/p_generics.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 |   let decimal = Point { x: 1.0, y: 4.0 };
[INFO] [stdout]    |       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_decimal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entero_decimal`
[INFO] [stdout]   --> src/modules/p_generics.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 |   let entero_decimal = Point2 { x: 5, y: 4.0 };
[INFO] [stdout]    |       ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_entero_decimal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/modules/a_variables.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn main () {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `constants` is never used
[INFO] [stdout]   --> src/modules/a_variables.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn constants () {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `shadowing` is never used
[INFO] [stdout]   --> src/modules/a_variables.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn shadowing () {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tuples` is never used
[INFO] [stdout]   --> src/modules/a_variables.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn tuples () {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/modules/b_functions.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn main () {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_my_name` is never used
[INFO] [stdout]   --> src/modules/b_functions.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn say_my_name (name: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divide_by_5` is never used
[INFO] [stdout]   --> src/modules/b_functions.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn divide_by_5(num: u32) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `expression` is never used
[INFO] [stdout]   --> src/modules/b_functions.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn expression() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/modules/c_tuples.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tuples` is never used
[INFO] [stdout]  --> src/modules/c_tuples.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn tuples () {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/modules/d_arrays.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main () {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/modules/e_if_bucles.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn main () {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `if_expression` is never used
[INFO] [stdout]  --> src/modules/e_if_bucles.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn if_expression (number: u8) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `conditional_expression` is never used
[INFO] [stdout]   --> src/modules/e_if_bucles.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn conditional_expression (number: u8) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `loop_expression` is never used
[INFO] [stdout]   --> src/modules/e_if_bucles.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn loop_expression () {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `while_expression` is never used
[INFO] [stdout]   --> src/modules/e_if_bucles.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn while_expression () {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `for_expression` is never used
[INFO] [stdout]   --> src/modules/e_if_bucles.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn for_expression () {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/modules/f_references.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn main () {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_properties` is never used
[INFO] [stdout]  --> src/modules/f_references.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn take_properties (string: String) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_length` is never used
[INFO] [stdout]   --> src/modules/f_references.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn calculate_length (string: &String) -> (&String, usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mutable_references` is never used
[INFO] [stdout]   --> src/modules/f_references.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn mutable_references () {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `change` is never used
[INFO] [stdout]   --> src/modules/f_references.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn change (some_string: &mut String) {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_value` is never used
[INFO] [stdout]   --> src/modules/f_references.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn print_value(value: &String) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `change_value` is never used
[INFO] [stdout]   --> src/modules/f_references.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn change_value(value: &mut String) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main_2` is never used
[INFO] [stdout]   --> src/modules/f_references.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn main_2() {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/modules/g_slices.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn main() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `first_word_bytes` is never used
[INFO] [stdout]  --> src/modules/g_slices.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn first_word_bytes(string: &String) -> (usize, &String) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `first_word` is never used
[INFO] [stdout]   --> src/modules/g_slices.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn first_word (text: &String) -> &str {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `slices` is never used
[INFO] [stdout]   --> src/modules/g_slices.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn slices() {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Player` is never constructed
[INFO] [stdout]  --> src/modules/h_structs.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Player {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `create` and `display_name` are never used
[INFO] [stdout]   --> src/modules/h_structs.rs:9:6
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl Player {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 9  |   fn create(name: String, age: u32, is_active: bool) -> Player {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |   fn display_name(&self) {
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/modules/h_structs.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mutability` is never used
[INFO] [stdout]   --> src/modules/h_structs.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn mutability() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tuple_structs` is never used
[INFO] [stdout]   --> src/modules/h_structs.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn tuple_structs() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SoccerPlayer` is never constructed
[INFO] [stdout]   --> src/modules/h_structs.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | struct SoccerPlayer {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `score_goal`, and `transfer` are never used
[INFO] [stdout]   --> src/modules/h_structs.rs:67:6
[INFO] [stdout]    |
[INFO] [stdout] 66 | impl SoccerPlayer {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] 67 |   fn new(name: String, age: u8, position: String, team: String) -> SoccerPlayer {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |   fn score_goal(&mut self) {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |   fn transfer(&mut self, new_team: String) {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main_2` is never used
[INFO] [stdout]   --> src/modules/h_structs.rs:89:4
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn main_2() {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Door_state` is never used
[INFO] [stdout]  --> src/modules/i_enums.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Door_state {
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Door` is never constructed
[INFO] [stdout]  --> src/modules/i_enums.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Door {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/modules/i_enums.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `change_door` is never used
[INFO] [stdout]   --> src/modules/i_enums.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn change_door(state: Door_state) -> Door_state {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Message` is never used
[INFO] [stdout]   --> src/modules/i_enums.rs:34:6
[INFO] [stdout]    |
[INFO] [stdout] 34 | enum Message {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `call` is never used
[INFO] [stdout]   --> src/modules/i_enums.rs:42:6
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl Message {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 42 |   fn call(&self) {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `enum_with_values` is never used
[INFO] [stdout]   --> src/modules/i_enums.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn enum_with_values() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Option` is never used
[INFO] [stdout]   --> src/modules/i_enums.rs:60:6
[INFO] [stdout]    |
[INFO] [stdout] 60 | enum Option<T> {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/modules/matchers.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn main() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `matchers` is never used
[INFO] [stdout]  --> src/modules/matchers.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn matchers() {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Time` is never used
[INFO] [stdout]   --> src/modules/matchers.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum Time {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `value_in_seconds` is never used
[INFO] [stdout]   --> src/modules/matchers.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn value_in_seconds(time: Time) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Month` is never used
[INFO] [stdout]   --> src/modules/matchers.rs:49:6
[INFO] [stdout]    |
[INFO] [stdout] 49 | enum Month {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/modules/k_if_let.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/modules/l_vectors.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vector` is never used
[INFO] [stdout]   --> src/modules/l_vectors.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn vector() {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vector2` is never used
[INFO] [stdout]   --> src/modules/l_vectors.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn vector2() {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `iterar_vector` is never used
[INFO] [stdout]   --> src/modules/l_vectors.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn iterar_vector() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SpreadsheetCell` is never used
[INFO] [stdout]   --> src/modules/l_vectors.rs:64:6
[INFO] [stdout]    |
[INFO] [stdout] 64 | enum SpreadsheetCell {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vector_de_enum` is never used
[INFO] [stdout]   --> src/modules/l_vectors.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn vector_de_enum() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/modules/m_strings.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn main() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `string` is never used
[INFO] [stdout]  --> src/modules/m_strings.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn string() {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `string_concatenation` is never used
[INFO] [stdout]   --> src/modules/m_strings.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn string_concatenation() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `string_indexing` is never used
[INFO] [stdout]   --> src/modules/m_strings.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn string_indexing() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/modules/n_hashmaps.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hashmaps` is never used
[INFO] [stdout]  --> src/modules/n_hashmaps.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn hashmaps() {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `recoverable_error` is never used
[INFO] [stdout]   --> src/modules/o_error_handling.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn recoverable_error() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `error_kind` is never used
[INFO] [stdout]   --> src/modules/o_error_handling.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn error_kind() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `error_handling_with_question_mark` is never used
[INFO] [stdout]   --> src/modules/o_error_handling.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn error_handling_with_question_mark() -> Result<String, std::io::Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]  --> src/modules/p_generics.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Point<T> {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point2` is never constructed
[INFO] [stdout]  --> src/modules/p_generics.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Point2<T, U> {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/modules/p_generics.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/ejs/triangle.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_area` is never used
[INFO] [stdout]   --> src/ejs/triangle.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn calculate_area(width: u32, height: u32) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dimensions` is never constructed
[INFO] [stdout]   --> src/ejs/triangle.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Dimensions(u32, u32);
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_area_2` is never used
[INFO] [stdout]   --> src/ejs/triangle.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn calculate_area_2(dimensions: Dimensions) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]   --> src/ejs/triangle.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct Rectangle {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_area_3` is never used
[INFO] [stdout]   --> src/ejs/triangle.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn calculate_area_3(rectangle: Rectangle) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `calculate_area` is never used
[INFO] [stdout]   --> src/ejs/triangle.rs:43:6
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl Rectangle {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 43 |   fn calculate_area(&self) -> u32 {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_area_4` is never used
[INFO] [stdout]   --> src/ejs/triangle.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn calculate_area_4(rectangle: Rectangle) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `myTuple` should have a snake case name
[INFO] [stdout]  --> src/modules/c_tuples.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 |   let myTuple: (u8, u8, u8) = (1, 2, 3);
[INFO] [stdout]   |       ^^^^^^^ help: convert the identifier to snake case: `my_tuple`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `myArray` should have a snake case name
[INFO] [stdout]  --> src/modules/d_arrays.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 |   let myArray: [u8; 5] = [1, 2, 3, 4, 5];
[INFO] [stdout]   |       ^^^^^^^ help: convert the identifier to snake case: `my_array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "4ac3f77e24232b47a8d950a7f257fdf73f248e8321b6a6d9e45ef55d3a7dd78b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ac3f77e24232b47a8d950a7f257fdf73f248e8321b6a6d9e45ef55d3a7dd78b", kill_on_drop: false }`
[INFO] [stdout] 4ac3f77e24232b47a8d950a7f257fdf73f248e8321b6a6d9e45ef55d3a7dd78b