[INFO] cloning repository https://github.com/jack-blue-2/Rust-Basics [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jack-blue-2/Rust-Basics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjack-blue-2%2FRust-Basics", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjack-blue-2%2FRust-Basics'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 96698c9cfd67631dfee8a74948a56cfce19de683 [INFO] testing jack-blue-2/Rust-Basics against 1.98.0-beta.8+cargoflags=--release for beta-release-1.99-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjack-blue-2%2FRust-Basics" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/jack-blue-2/Rust-Basics [INFO] finished tweaking git repo https://github.com/jack-blue-2/Rust-Basics [INFO] tweaked toml for git repo https://github.com/jack-blue-2/Rust-Basics written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/jack-blue-2/Rust-Basics on toolchain 1.98.0-beta.8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/jack-blue-2/Rust-Basics 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" "+1.98.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded zerocopy v0.8.37 [INFO] [stderr] Downloaded zerocopy-derive v0.8.37 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] f2720a69badfe6d8644d661a45311352b320605bd8440cfd33de00763b75b2c6 [INFO] running `Command { std: "docker" "start" "f2720a69badfe6d8644d661a45311352b320605bd8440cfd33de00763b75b2c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f2720a69badfe6d8644d661a45311352b320605bd8440cfd33de00763b75b2c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f2720a69badfe6d8644d661a45311352b320605bd8440cfd33de00763b75b2c6" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f2720a69badfe6d8644d661a45311352b320605bd8440cfd33de00763b75b2c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f2720a69badfe6d8644d661a45311352b320605bd8440cfd33de00763b75b2c6" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.180 [INFO] [stderr] Compiling zerocopy v0.8.37 [INFO] [stderr] Compiling getrandom v0.3.4 [INFO] [stderr] Compiling rand_core v0.9.5 [INFO] [stderr] Compiling ppv-lite86 v0.2.21 [INFO] [stderr] Compiling rand_chacha v0.9.0 [INFO] [stderr] Compiling rand v0.9.2 [INFO] [stderr] Compiling my_project_29_01_26 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng` [INFO] [stdout] --> src/utils/random_crate.rs:11:23 [INFO] [stdout] | [INFO] [stdout] 11 | let mut rng = rand::thread_rng(); // Create a random number generator [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range` [INFO] [stdout] --> src/utils/random_crate.rs:12:14 [INFO] [stdout] | [INFO] [stdout] 12 | return rng.gen_range(1..=n); // Generate a random integer between 1 and n [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | let mut yet_another_greeting: String = String::new(); // empty String [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: `my_num` [INFO] [stdout] --> src/main.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | let my_num = 5; // integer [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_num` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_double` [INFO] [stdout] --> src/main.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | let my_double = 5.99; // float [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_double` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_letter` [INFO] [stdout] --> src/main.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | let my_letter = 'D'; // character. Single quotes for single characters [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_letter` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_bool` [INFO] [stdout] --> src/main.rs:59:9 [INFO] [stdout] | [INFO] [stdout] 59 | let my_bool = true; // boolean [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_bool` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_text` [INFO] [stdout] --> src/main.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | let my_text = "Hello"; // string. Double quotes for string literals [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_text` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_explicit_num` [INFO] [stdout] --> src/main.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | let my_explicit_num: i32 = 5; // integer [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_explicit_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_explicit_double` [INFO] [stdout] --> src/main.rs:64:9 [INFO] [stdout] | [INFO] [stdout] 64 | let my_explicit_double: f64 = 5.99; // float [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_explicit_double` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_explicit_letter` [INFO] [stdout] --> src/main.rs:65:9 [INFO] [stdout] | [INFO] [stdout] 65 | let my_explicit_letter: char = 'D'; // character [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_explicit_letter` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_explicit_bool` [INFO] [stdout] --> src/main.rs:66:9 [INFO] [stdout] | [INFO] [stdout] 66 | let my_explicit_bool: bool = true; // boolean [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_explicit_bool` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_explicit_text` [INFO] [stdout] --> src/main.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | let my_explicit_text: &str = "Hello"; // string [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_explicit_text` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `greeting` [INFO] [stdout] --> src/main.rs:80:9 [INFO] [stdout] | [INFO] [stdout] 80 | let greeting: &str = "Hello, World!"; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_greeting` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result2` [INFO] [stdout] --> src/main.rs:332:9 [INFO] [stdout] | [INFO] [stdout] 332 | let result2 = LoginStatus::Error(String::from("Incorrect password")); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sum` [INFO] [stdout] --> src/main.rs:340:9 [INFO] [stdout] | [INFO] [stdout] 340 | let sum = 5 + 10; // Addition [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sum` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `difference` [INFO] [stdout] --> src/main.rs:341:9 [INFO] [stdout] | [INFO] [stdout] 341 | let difference = 95.5 - 4.3; // Subtraction [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_difference` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `product` [INFO] [stdout] --> src/main.rs:342:9 [INFO] [stdout] | [INFO] [stdout] 342 | let product = 4 * 30; // Multiplication [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_product` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `quotient` [INFO] [stdout] --> src/main.rs:343:9 [INFO] [stdout] | [INFO] [stdout] 343 | let quotient = 56.7 / 32.2; // Division [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_quotient` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `remainder` [INFO] [stdout] --> src/main.rs:344:9 [INFO] [stdout] | [INFO] [stdout] 344 | let remainder = 43 % 5; // Modulus (remainder) [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remainder` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `greeting` [INFO] [stdout] --> src/main.rs:372:9 [INFO] [stdout] | [INFO] [stdout] 372 | let greeting = if time < 18 { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_greeting` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `greeting_one_liner` [INFO] [stdout] --> src/main.rs:380:9 [INFO] [stdout] | [INFO] [stdout] 380 | let greeting_one_liner = if time < 18 { "Good day." } else { "Good evening." }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_greeting_one_liner` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:416:9 [INFO] [stdout] | [INFO] [stdout] 416 | let x = 1; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `description` [INFO] [stdout] --> src/main.rs:427:9 [INFO] [stdout] | [INFO] [stdout] 427 | let description = match number { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_description` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/main.rs:450:9 [INFO] [stdout] | [INFO] [stdout] 450 | let result = loop { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `surname` is never read [INFO] [stdout] --> src/main.rs:48:23 [INFO] [stdout] | [INFO] [stdout] 48 | let mut surname = "Doe"; [INFO] [stdout] | ^^^^^ this value is reassigned later and never used [INFO] [stdout] 49 | // name = "Alice"; // This line would cause a compile-time error [INFO] [stdout] 50 | surname = "Smith"; // This is allowed because surname is mutable [INFO] [stdout] | ----------------- `surname` is overwritten here before the previous value is read [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `add1` is never used [INFO] [stdout] --> src/main.rs:24:4 [INFO] [stdout] | [INFO] [stdout] 24 | fn add1(a: i32, b: i32) -> 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 `get_first_element` is never used [INFO] [stdout] --> src/main.rs:71:8 [INFO] [stdout] | [INFO] [stdout] 71 | fn get_first_element(arr: &[T]) -> &T { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `MY_CONSTANT` is never used [INFO] [stdout] --> src/main.rs:77:11 [INFO] [stdout] | [INFO] [stdout] 77 | const MY_CONSTANT: i32 = 100; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Down`, `Left`, and `Right` are never constructed [INFO] [stdout] --> src/main.rs:311:9 [INFO] [stdout] | [INFO] [stdout] 309 | enum Direction { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] 310 | Up, [INFO] [stdout] 311 | Down, [INFO] [stdout] | ^^^^ [INFO] [stdout] 312 | Left, [INFO] [stdout] | ^^^^ [INFO] [stdout] 313 | Right, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `capitalCities` should have a snake case name [INFO] [stdout] --> src/main.rs:278:13 [INFO] [stdout] | [INFO] [stdout] 278 | let mut capitalCities = HashMap::new(); [INFO] [stdout] | ^^^^^^^^^^^^^ help: convert the identifier to snake case: `capital_cities` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `release` profile [optimized] target(s) in 8.36s [INFO] running `Command { std: "docker" "inspect" "f2720a69badfe6d8644d661a45311352b320605bd8440cfd33de00763b75b2c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f2720a69badfe6d8644d661a45311352b320605bd8440cfd33de00763b75b2c6" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }` [INFO] [stderr] Compiling my_project_29_01_26 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng` [INFO] [stdout] --> src/utils/random_crate.rs:11:23 [INFO] [stdout] | [INFO] [stdout] 11 | let mut rng = rand::thread_rng(); // Create a random number generator [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range` [INFO] [stdout] --> src/utils/random_crate.rs:12:14 [INFO] [stdout] | [INFO] [stdout] 12 | return rng.gen_range(1..=n); // Generate a random integer between 1 and n [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | let mut yet_another_greeting: String = String::new(); // empty String [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: `my_num` [INFO] [stdout] --> src/main.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | let my_num = 5; // integer [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_num` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_double` [INFO] [stdout] --> src/main.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | let my_double = 5.99; // float [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_double` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_letter` [INFO] [stdout] --> src/main.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | let my_letter = 'D'; // character. Single quotes for single characters [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_letter` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_bool` [INFO] [stdout] --> src/main.rs:59:9 [INFO] [stdout] | [INFO] [stdout] 59 | let my_bool = true; // boolean [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_bool` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_text` [INFO] [stdout] --> src/main.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | let my_text = "Hello"; // string. Double quotes for string literals [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_text` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_explicit_num` [INFO] [stdout] --> src/main.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | let my_explicit_num: i32 = 5; // integer [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_explicit_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_explicit_double` [INFO] [stdout] --> src/main.rs:64:9 [INFO] [stdout] | [INFO] [stdout] 64 | let my_explicit_double: f64 = 5.99; // float [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_explicit_double` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_explicit_letter` [INFO] [stdout] --> src/main.rs:65:9 [INFO] [stdout] | [INFO] [stdout] 65 | let my_explicit_letter: char = 'D'; // character [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_explicit_letter` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_explicit_bool` [INFO] [stdout] --> src/main.rs:66:9 [INFO] [stdout] | [INFO] [stdout] 66 | let my_explicit_bool: bool = true; // boolean [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_explicit_bool` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_explicit_text` [INFO] [stdout] --> src/main.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | let my_explicit_text: &str = "Hello"; // string [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_explicit_text` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `greeting` [INFO] [stdout] --> src/main.rs:80:9 [INFO] [stdout] | [INFO] [stdout] 80 | let greeting: &str = "Hello, World!"; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_greeting` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result2` [INFO] [stdout] --> src/main.rs:332:9 [INFO] [stdout] | [INFO] [stdout] 332 | let result2 = LoginStatus::Error(String::from("Incorrect password")); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sum` [INFO] [stdout] --> src/main.rs:340:9 [INFO] [stdout] | [INFO] [stdout] 340 | let sum = 5 + 10; // Addition [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sum` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `difference` [INFO] [stdout] --> src/main.rs:341:9 [INFO] [stdout] | [INFO] [stdout] 341 | let difference = 95.5 - 4.3; // Subtraction [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_difference` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `product` [INFO] [stdout] --> src/main.rs:342:9 [INFO] [stdout] | [INFO] [stdout] 342 | let product = 4 * 30; // Multiplication [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_product` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `quotient` [INFO] [stdout] --> src/main.rs:343:9 [INFO] [stdout] | [INFO] [stdout] 343 | let quotient = 56.7 / 32.2; // Division [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_quotient` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `remainder` [INFO] [stdout] --> src/main.rs:344:9 [INFO] [stdout] | [INFO] [stdout] 344 | let remainder = 43 % 5; // Modulus (remainder) [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remainder` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `greeting` [INFO] [stdout] --> src/main.rs:372:9 [INFO] [stdout] | [INFO] [stdout] 372 | let greeting = if time < 18 { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_greeting` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `greeting_one_liner` [INFO] [stdout] --> src/main.rs:380:9 [INFO] [stdout] | [INFO] [stdout] 380 | let greeting_one_liner = if time < 18 { "Good day." } else { "Good evening." }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_greeting_one_liner` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:416:9 [INFO] [stdout] | [INFO] [stdout] 416 | let x = 1; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `description` [INFO] [stdout] --> src/main.rs:427:9 [INFO] [stdout] | [INFO] [stdout] 427 | let description = match number { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_description` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/main.rs:450:9 [INFO] [stdout] | [INFO] [stdout] 450 | let result = loop { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `surname` is never read [INFO] [stdout] --> src/main.rs:48:23 [INFO] [stdout] | [INFO] [stdout] 48 | let mut surname = "Doe"; [INFO] [stdout] | ^^^^^ this value is reassigned later and never used [INFO] [stdout] 49 | // name = "Alice"; // This line would cause a compile-time error [INFO] [stdout] 50 | surname = "Smith"; // This is allowed because surname is mutable [INFO] [stdout] | ----------------- `surname` is overwritten here before the previous value is read [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `add1` is never used [INFO] [stdout] --> src/main.rs:24:4 [INFO] [stdout] | [INFO] [stdout] 24 | fn add1(a: i32, b: i32) -> 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 `get_first_element` is never used [INFO] [stdout] --> src/main.rs:71:8 [INFO] [stdout] | [INFO] [stdout] 71 | fn get_first_element(arr: &[T]) -> &T { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `MY_CONSTANT` is never used [INFO] [stdout] --> src/main.rs:77:11 [INFO] [stdout] | [INFO] [stdout] 77 | const MY_CONSTANT: i32 = 100; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Down`, `Left`, and `Right` are never constructed [INFO] [stdout] --> src/main.rs:311:9 [INFO] [stdout] | [INFO] [stdout] 309 | enum Direction { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] 310 | Up, [INFO] [stdout] 311 | Down, [INFO] [stdout] | ^^^^ [INFO] [stdout] 312 | Left, [INFO] [stdout] | ^^^^ [INFO] [stdout] 313 | Right, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `capitalCities` should have a snake case name [INFO] [stdout] --> src/main.rs:278:13 [INFO] [stdout] | [INFO] [stdout] 278 | let mut capitalCities = HashMap::new(); [INFO] [stdout] | ^^^^^^^^^^^^^ help: convert the identifier to snake case: `capital_cities` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `release` profile [optimized] target(s) in 0.35s [INFO] running `Command { std: "docker" "inspect" "f2720a69badfe6d8644d661a45311352b320605bd8440cfd33de00763b75b2c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f2720a69badfe6d8644d661a45311352b320605bd8440cfd33de00763b75b2c6" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }` [INFO] [stderr] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng` [INFO] [stderr] --> src/utils/random_crate.rs:11:23 [INFO] [stderr] | [INFO] [stderr] 11 | let mut rng = rand::thread_rng(); // Create a random number generator [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range` [INFO] [stderr] --> src/utils/random_crate.rs:12:14 [INFO] [stderr] | [INFO] [stderr] 12 | return rng.gen_range(1..=n); // Generate a random integer between 1 and n [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:85:9 [INFO] [stderr] | [INFO] [stderr] 85 | let mut yet_another_greeting: String = String::new(); // empty String [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: `my_num` [INFO] [stderr] --> src/main.rs:56:9 [INFO] [stderr] | [INFO] [stderr] 56 | let my_num = 5; // integer [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_num` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `my_double` [INFO] [stderr] --> src/main.rs:57:9 [INFO] [stderr] | [INFO] [stderr] 57 | let my_double = 5.99; // float [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_double` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `my_letter` [INFO] [stderr] --> src/main.rs:58:9 [INFO] [stderr] | [INFO] [stderr] 58 | let my_letter = 'D'; // character. Single quotes for single characters [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_letter` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `my_bool` [INFO] [stderr] --> src/main.rs:59:9 [INFO] [stderr] | [INFO] [stderr] 59 | let my_bool = true; // boolean [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_bool` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `my_text` [INFO] [stderr] --> src/main.rs:60:9 [INFO] [stderr] | [INFO] [stderr] 60 | let my_text = "Hello"; // string. Double quotes for string literals [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_text` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `my_explicit_num` [INFO] [stderr] --> src/main.rs:63:9 [INFO] [stderr] | [INFO] [stderr] 63 | let my_explicit_num: i32 = 5; // integer [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_explicit_num` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `my_explicit_double` [INFO] [stderr] --> src/main.rs:64:9 [INFO] [stderr] | [INFO] [stderr] 64 | let my_explicit_double: f64 = 5.99; // float [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_explicit_double` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `my_explicit_letter` [INFO] [stderr] --> src/main.rs:65:9 [INFO] [stderr] | [INFO] [stderr] 65 | let my_explicit_letter: char = 'D'; // character [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_explicit_letter` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `my_explicit_bool` [INFO] [stderr] --> src/main.rs:66:9 [INFO] [stderr] | [INFO] [stderr] 66 | let my_explicit_bool: bool = true; // boolean [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_explicit_bool` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `my_explicit_text` [INFO] [stderr] --> src/main.rs:67:9 [INFO] [stderr] | [INFO] [stderr] 67 | let my_explicit_text: &str = "Hello"; // string [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_explicit_text` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `greeting` [INFO] [stderr] --> src/main.rs:80:9 [INFO] [stderr] | [INFO] [stderr] 80 | let greeting: &str = "Hello, World!"; [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_greeting` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `result2` [INFO] [stderr] --> src/main.rs:332:9 [INFO] [stderr] | [INFO] [stderr] 332 | let result2 = LoginStatus::Error(String::from("Incorrect password")); [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `sum` [INFO] [stderr] --> src/main.rs:340:9 [INFO] [stderr] | [INFO] [stderr] 340 | let sum = 5 + 10; // Addition [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_sum` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `difference` [INFO] [stderr] --> src/main.rs:341:9 [INFO] [stderr] | [INFO] [stderr] 341 | let difference = 95.5 - 4.3; // Subtraction [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_difference` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `product` [INFO] [stderr] --> src/main.rs:342:9 [INFO] [stderr] | [INFO] [stderr] 342 | let product = 4 * 30; // Multiplication [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_product` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `quotient` [INFO] [stderr] --> src/main.rs:343:9 [INFO] [stderr] | [INFO] [stderr] 343 | let quotient = 56.7 / 32.2; // Division [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_quotient` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `remainder` [INFO] [stderr] --> src/main.rs:344:9 [INFO] [stderr] | [INFO] [stderr] 344 | let remainder = 43 % 5; // Modulus (remainder) [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remainder` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `greeting` [INFO] [stderr] --> src/main.rs:372:9 [INFO] [stderr] | [INFO] [stderr] 372 | let greeting = if time < 18 { [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_greeting` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `greeting_one_liner` [INFO] [stderr] --> src/main.rs:380:9 [INFO] [stderr] | [INFO] [stderr] 380 | let greeting_one_liner = if time < 18 { "Good day." } else { "Good evening." }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_greeting_one_liner` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/main.rs:416:9 [INFO] [stderr] | [INFO] [stderr] 416 | let x = 1; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `description` [INFO] [stderr] --> src/main.rs:427:9 [INFO] [stderr] | [INFO] [stderr] 427 | let description = match number { [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_description` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `result` [INFO] [stderr] --> src/main.rs:450:9 [INFO] [stderr] | [INFO] [stderr] 450 | let result = loop { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `surname` is never read [INFO] [stderr] --> src/main.rs:48:23 [INFO] [stderr] | [INFO] [stderr] 48 | let mut surname = "Doe"; [INFO] [stderr] | ^^^^^ this value is reassigned later and never used [INFO] [stderr] 49 | // name = "Alice"; // This line would cause a compile-time error [INFO] [stderr] 50 | surname = "Smith"; // This is allowed because surname is mutable [INFO] [stderr] | ----------------- `surname` is overwritten here before the previous value is read [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: function `add1` is never used [INFO] [stderr] --> src/main.rs:24:4 [INFO] [stderr] | [INFO] [stderr] 24 | fn add1(a: i32, b: i32) -> i32 { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: function `get_first_element` is never used [INFO] [stderr] --> src/main.rs:71:8 [INFO] [stderr] | [INFO] [stderr] 71 | fn get_first_element(arr: &[T]) -> &T { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant `MY_CONSTANT` is never used [INFO] [stderr] --> src/main.rs:77:11 [INFO] [stderr] | [INFO] [stderr] 77 | const MY_CONSTANT: i32 = 100; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variants `Down`, `Left`, and `Right` are never constructed [INFO] [stderr] --> src/main.rs:311:9 [INFO] [stderr] | [INFO] [stderr] 309 | enum Direction { [INFO] [stderr] | --------- variants in this enum [INFO] [stderr] 310 | Up, [INFO] [stderr] 311 | Down, [INFO] [stderr] | ^^^^ [INFO] [stderr] 312 | Left, [INFO] [stderr] | ^^^^ [INFO] [stderr] 313 | Right, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `capitalCities` should have a snake case name [INFO] [stderr] --> src/main.rs:278:13 [INFO] [stderr] | [INFO] [stderr] 278 | let mut capitalCities = HashMap::new(); [INFO] [stderr] | ^^^^^^^^^^^^^ help: convert the identifier to snake case: `capital_cities` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `my_project_29_01_26` (bin "my_project_29_01_26" test) generated 31 warnings (run `cargo fix --bin "my_project_29_01_26" -p my_project_29_01_26 --tests` to apply 23 suggestions) [INFO] [stderr] Finished `release` profile [optimized] target(s) in 0.06s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/release/deps/my_project_29_01_26-8684a0fa4f9223f5) [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] running `Command { std: "docker" "inspect" "f2720a69badfe6d8644d661a45311352b320605bd8440cfd33de00763b75b2c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2720a69badfe6d8644d661a45311352b320605bd8440cfd33de00763b75b2c6", kill_on_drop: false }` [INFO] [stdout] f2720a69badfe6d8644d661a45311352b320605bd8440cfd33de00763b75b2c6