[INFO] cloning repository https://github.com/Some-Asian/maths-game-sdl2 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Some-Asian/maths-game-sdl2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSome-Asian%2Fmaths-game-sdl2", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSome-Asian%2Fmaths-game-sdl2'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e12974f25424c55694c8eff6ff6a5007b9c36927 [INFO] building Some-Asian/maths-game-sdl2 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSome-Asian%2Fmaths-game-sdl2" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Some-Asian/maths-game-sdl2 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Some-Asian/maths-game-sdl2 [INFO] finished tweaking git repo https://github.com/Some-Asian/maths-game-sdl2 [INFO] tweaked toml for git repo https://github.com/Some-Asian/maths-game-sdl2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Some-Asian/maths-game-sdl2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7e1b016c4633c9a529b3b860d40726b8242b3cc30bf38aced114151aebb5277d [INFO] running `Command { std: "docker" "start" "-a" "7e1b016c4633c9a529b3b860d40726b8242b3cc30bf38aced114151aebb5277d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7e1b016c4633c9a529b3b860d40726b8242b3cc30bf38aced114151aebb5277d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e1b016c4633c9a529b3b860d40726b8242b3cc30bf38aced114151aebb5277d", kill_on_drop: false }` [INFO] [stdout] 7e1b016c4633c9a529b3b860d40726b8242b3cc30bf38aced114151aebb5277d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c030880aec80c11dea7811ceb7204eee899a73a25cf7f27dfbf8bb75f3c23047 [INFO] running `Command { std: "docker" "start" "-a" "c030880aec80c11dea7811ceb7204eee899a73a25cf7f27dfbf8bb75f3c23047", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling version-compare v0.1.1 [INFO] [stderr] Compiling sdl2 v0.35.2 [INFO] [stderr] Compiling sdl2-sys v0.35.2 [INFO] [stderr] Compiling getrandom v0.2.10 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling maths-game-sdl2 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: this labeled break expression is easy to confuse with an unlabeled break with a labeled value expression [INFO] [stdout] --> src/main.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | / break 'running [INFO] [stdout] 35 | | for event in event_pump.poll_iter() { [INFO] [stdout] 36 | | match event { [INFO] [stdout] 37 | | Event::Quit {..} | [INFO] [stdout] ... | [INFO] [stdout] 52 | | }; [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(break_with_label_and_loop)]` on by default [INFO] [stdout] help: wrap this expression in parentheses [INFO] [stdout] | [INFO] [stdout] 35 ~ (for event in event_pump.poll_iter() { [INFO] [stdout] 36 | match event { [INFO] [stdout] ... [INFO] [stdout] 51 | } [INFO] [stdout] 52 ~ }); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `Num_Type` should have an upper camel case name [INFO] [stdout] --> src/q_gen.rs:18:10 [INFO] [stdout] | [INFO] [stdout] 18 | pub enum Num_Type { [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to upper camel case: `NumType` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `Ans_Type` should have an upper camel case name [INFO] [stdout] --> src/q_gen.rs:26:10 [INFO] [stdout] | [INFO] [stdout] 26 | pub enum Ans_Type { [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to upper camel case: `AnsType` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/q_gen.rs:70:48 [INFO] [stdout] | [INFO] [stdout] 70 | Num_Type::Number(rng.gen_range((TEN.pow(target_difficulty - 1)..=(TEN.pow(target_difficulty)))) as isize) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 70 - Num_Type::Number(rng.gen_range((TEN.pow(target_difficulty - 1)..=(TEN.pow(target_difficulty)))) as isize) [INFO] [stdout] 70 + Num_Type::Number(rng.gen_range(TEN.pow(target_difficulty - 1)..=(TEN.pow(target_difficulty))) as isize) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Num_Type` [INFO] [stdout] --> src/main.rs:11:20 [INFO] [stdout] | [INFO] [stdout] 11 | use crate::q_gen::{Num_Type, Operations}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 34 | / break 'running [INFO] [stdout] 35 | | for event in event_pump.poll_iter() { [INFO] [stdout] 36 | | match event { [INFO] [stdout] 37 | | Event::Quit {..} | [INFO] [stdout] ... | [INFO] [stdout] 52 | | }; [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 56 | / render(&mut canvas, Color { [INFO] [stdout] 57 | | r, g, b, a: 255 [INFO] [stdout] 58 | | }); [INFO] [stdout] | |___________^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/q_gen.rs:85:13 [INFO] [stdout] | [INFO] [stdout] 85 | _ => todo!() [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/q_gen.rs:85:13 [INFO] [stdout] | [INFO] [stdout] 69 | Operations::Add | Operations::Subtract => { [INFO] [stdout] | -------------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 72 | Operations::Multiply | Operations::Square | Operations::Cube => { [INFO] [stdout] | ------------------------------------------------------------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 75 | Operations::Divide | Operations::Simplify => { [INFO] [stdout] | ----------------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 80 | Operations::Sqrt => { [INFO] [stdout] | ---------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 85 | _ => todo!() [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/q_gen.rs:274:13 [INFO] [stdout] | [INFO] [stdout] 274 | _ => todo!() [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/q_gen.rs:274:13 [INFO] [stdout] | [INFO] [stdout] 227 | Operations::Add => match (&self.lhs, &self.rhs) { [INFO] [stdout] | --------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 234 | Operations::Subtract => match (&self.lhs, &self.rhs) { [INFO] [stdout] | -------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 241 | Operations::Multiply => match (&self.lhs, &self.rhs) { [INFO] [stdout] | -------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 248 | Operations::Divide => match (&self.lhs, &self.rhs) { [INFO] [stdout] | ------------------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 274 | _ => todo!() [INFO] [stdout] | ^ ...and 4 other patterns collectively make this unreachable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `canvas` [INFO] [stdout] --> src/main.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | let mut canvas = window.into_canvas().build().unwrap(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_canvas` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:65:9 [INFO] [stdout] | [INFO] [stdout] 65 | for i in 1..100 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let mut canvas = window.into_canvas().build().unwrap(); [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: variant `Equation` is never constructed [INFO] [stdout] --> src/q_gen.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 18 | pub enum Num_Type { [INFO] [stdout] | -------- variant in this enum [INFO] [stdout] 19 | Number(isize), [INFO] [stdout] 20 | Equation(Box), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Num_Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Ans_Type` is never used [INFO] [stdout] --> src/q_gen.rs:26:10 [INFO] [stdout] | [INFO] [stdout] 26 | pub enum Ans_Type { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Ans_Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `pick_equation` is never used [INFO] [stdout] --> src/q_gen.rs:108:12 [INFO] [stdout] | [INFO] [stdout] 38 | impl Equation { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 108 | pub fn pick_equation(rng: &mut ThreadRng, sample_size: u32, target_difficulty: f64, strict: bool, allowed_ops: Option... [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | canvas.draw_rect(Rect::new(10, 10, 50, 90)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 15 | let _ = canvas.draw_rect(Rect::new(10, 10, 50, 90)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Equation` instead of cloning the inner type [INFO] [stdout] --> src/q_gen.rs:133:84 [INFO] [stdout] | [INFO] [stdout] 133 | return (sample_weighted.choose_weighted(rng, |item| item.1).unwrap().0).clone().clone() [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.49s [INFO] running `Command { std: "docker" "inspect" "c030880aec80c11dea7811ceb7204eee899a73a25cf7f27dfbf8bb75f3c23047", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c030880aec80c11dea7811ceb7204eee899a73a25cf7f27dfbf8bb75f3c23047", kill_on_drop: false }` [INFO] [stdout] c030880aec80c11dea7811ceb7204eee899a73a25cf7f27dfbf8bb75f3c23047 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d30709f02b5b6724cb2093b2159308b46ffd35aed75f91347daad16ca2e32838 [INFO] running `Command { std: "docker" "start" "-a" "d30709f02b5b6724cb2093b2159308b46ffd35aed75f91347daad16ca2e32838", kill_on_drop: false }` [INFO] [stderr] Compiling maths-game-sdl2 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: this labeled break expression is easy to confuse with an unlabeled break with a labeled value expression [INFO] [stdout] --> src/main.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | / break 'running [INFO] [stdout] 35 | | for event in event_pump.poll_iter() { [INFO] [stdout] 36 | | match event { [INFO] [stdout] 37 | | Event::Quit {..} | [INFO] [stdout] ... | [INFO] [stdout] 52 | | }; [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(break_with_label_and_loop)]` on by default [INFO] [stdout] help: wrap this expression in parentheses [INFO] [stdout] | [INFO] [stdout] 35 ~ (for event in event_pump.poll_iter() { [INFO] [stdout] 36 | match event { [INFO] [stdout] ... [INFO] [stdout] 51 | } [INFO] [stdout] 52 ~ }); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `Num_Type` should have an upper camel case name [INFO] [stdout] --> src/q_gen.rs:18:10 [INFO] [stdout] | [INFO] [stdout] 18 | pub enum Num_Type { [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to upper camel case: `NumType` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `Ans_Type` should have an upper camel case name [INFO] [stdout] --> src/q_gen.rs:26:10 [INFO] [stdout] | [INFO] [stdout] 26 | pub enum Ans_Type { [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to upper camel case: `AnsType` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/q_gen.rs:70:48 [INFO] [stdout] | [INFO] [stdout] 70 | Num_Type::Number(rng.gen_range((TEN.pow(target_difficulty - 1)..=(TEN.pow(target_difficulty)))) as isize) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 70 - Num_Type::Number(rng.gen_range((TEN.pow(target_difficulty - 1)..=(TEN.pow(target_difficulty)))) as isize) [INFO] [stdout] 70 + Num_Type::Number(rng.gen_range(TEN.pow(target_difficulty - 1)..=(TEN.pow(target_difficulty))) as isize) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Num_Type` [INFO] [stdout] --> src/main.rs:11:20 [INFO] [stdout] | [INFO] [stdout] 11 | use crate::q_gen::{Num_Type, Operations}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 34 | / break 'running [INFO] [stdout] 35 | | for event in event_pump.poll_iter() { [INFO] [stdout] 36 | | match event { [INFO] [stdout] 37 | | Event::Quit {..} | [INFO] [stdout] ... | [INFO] [stdout] 52 | | }; [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 56 | / render(&mut canvas, Color { [INFO] [stdout] 57 | | r, g, b, a: 255 [INFO] [stdout] 58 | | }); [INFO] [stdout] | |___________^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/q_gen.rs:85:13 [INFO] [stdout] | [INFO] [stdout] 85 | _ => todo!() [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/q_gen.rs:85:13 [INFO] [stdout] | [INFO] [stdout] 69 | Operations::Add | Operations::Subtract => { [INFO] [stdout] | -------------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 72 | Operations::Multiply | Operations::Square | Operations::Cube => { [INFO] [stdout] | ------------------------------------------------------------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 75 | Operations::Divide | Operations::Simplify => { [INFO] [stdout] | ----------------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 80 | Operations::Sqrt => { [INFO] [stdout] | ---------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 85 | _ => todo!() [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/q_gen.rs:274:13 [INFO] [stdout] | [INFO] [stdout] 274 | _ => todo!() [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/q_gen.rs:274:13 [INFO] [stdout] | [INFO] [stdout] 227 | Operations::Add => match (&self.lhs, &self.rhs) { [INFO] [stdout] | --------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 234 | Operations::Subtract => match (&self.lhs, &self.rhs) { [INFO] [stdout] | -------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 241 | Operations::Multiply => match (&self.lhs, &self.rhs) { [INFO] [stdout] | -------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 248 | Operations::Divide => match (&self.lhs, &self.rhs) { [INFO] [stdout] | ------------------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 274 | _ => todo!() [INFO] [stdout] | ^ ...and 4 other patterns collectively make this unreachable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `canvas` [INFO] [stdout] --> src/main.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | let mut canvas = window.into_canvas().build().unwrap(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_canvas` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:65:9 [INFO] [stdout] | [INFO] [stdout] 65 | for i in 1..100 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let mut canvas = window.into_canvas().build().unwrap(); [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: variant `Equation` is never constructed [INFO] [stdout] --> src/q_gen.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 18 | pub enum Num_Type { [INFO] [stdout] | -------- variant in this enum [INFO] [stdout] 19 | Number(isize), [INFO] [stdout] 20 | Equation(Box), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Num_Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Ans_Type` is never used [INFO] [stdout] --> src/q_gen.rs:26:10 [INFO] [stdout] | [INFO] [stdout] 26 | pub enum Ans_Type { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Ans_Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `pick_equation` is never used [INFO] [stdout] --> src/q_gen.rs:108:12 [INFO] [stdout] | [INFO] [stdout] 38 | impl Equation { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 108 | pub fn pick_equation(rng: &mut ThreadRng, sample_size: u32, target_difficulty: f64, strict: bool, allowed_ops: Option... [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | canvas.draw_rect(Rect::new(10, 10, 50, 90)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 15 | let _ = canvas.draw_rect(Rect::new(10, 10, 50, 90)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Equation` instead of cloning the inner type [INFO] [stdout] --> src/q_gen.rs:133:84 [INFO] [stdout] | [INFO] [stdout] 133 | return (sample_weighted.choose_weighted(rng, |item| item.1).unwrap().0).clone().clone() [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s [INFO] running `Command { std: "docker" "inspect" "d30709f02b5b6724cb2093b2159308b46ffd35aed75f91347daad16ca2e32838", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d30709f02b5b6724cb2093b2159308b46ffd35aed75f91347daad16ca2e32838", kill_on_drop: false }` [INFO] [stdout] d30709f02b5b6724cb2093b2159308b46ffd35aed75f91347daad16ca2e32838