[INFO] cloning repository https://github.com/kind0Dev/hello_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kind0Dev/hello_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkind0Dev%2Fhello_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkind0Dev%2Fhello_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 76604e7b291aaf2b10ae96eef085cb6e96b0a03e [INFO] testing kind0Dev/hello_rust against beta-2025-09-21 for beta-1.91-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkind0Dev%2Fhello_rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/kind0Dev/hello_rust [INFO] finished tweaking git repo https://github.com/kind0Dev/hello_rust [INFO] tweaked toml for git repo https://github.com/kind0Dev/hello_rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/kind0Dev/hello_rust on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/kind0Dev/hello_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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 960537a2f823a1b261aaa1cb2f308b6c2d690de1fb787745d096f806aec40b1b [INFO] running `Command { std: "docker" "start" "-a" "960537a2f823a1b261aaa1cb2f308b6c2d690de1fb787745d096f806aec40b1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "960537a2f823a1b261aaa1cb2f308b6c2d690de1fb787745d096f806aec40b1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "960537a2f823a1b261aaa1cb2f308b6c2d690de1fb787745d096f806aec40b1b", kill_on_drop: false }` [INFO] [stdout] 960537a2f823a1b261aaa1cb2f308b6c2d690de1fb787745d096f806aec40b1b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a9c7de778e8963b13c6591d00fc0d0e15fddf66b656e01cc0c890afcabe0d8ec [INFO] running `Command { std: "docker" "start" "-a" "a9c7de778e8963b13c6591d00fc0d0e15fddf66b656e01cc0c890afcabe0d8ec", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.94 [INFO] [stderr] Compiling libc v0.2.171 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling smallvec v1.15.0 [INFO] [stderr] Compiling iana-time-zone v0.1.61 [INFO] [stderr] Compiling colored v3.0.0 [INFO] [stderr] Compiling crossbeam-channel v0.5.15 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling chrono v0.4.40 [INFO] [stderr] Compiling syn v2.0.100 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Compiling parking_lot v0.12.3 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling activities v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `core::num` [INFO] [stdout] --> src/bin/p1.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | use core::num; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tile` [INFO] [stdout] --> src/bin/a35.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | let tile = Tile::Water(Pressure(11)); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_tile` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tilet` [INFO] [stdout] --> src/bin/a35.rs:59:9 [INFO] [stdout] | [INFO] [stdout] 59 | let tilet = Tile::Treasure(TreasureChest { content: TreasureItem::Gold, amount: 100 }); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_tilet` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tile3` [INFO] [stdout] --> src/bin/a35.rs:61:9 [INFO] [stdout] | [INFO] [stdout] 61 | let tile3 = Tile::Sand; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_tile3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tile` [INFO] [stdout] --> src/bin/a35.rs:74:5 [INFO] [stdout] | [INFO] [stdout] 74 | tile @ Tile::Grass | tile @ Tile::Dirt | tile @ Tile::Sand => println!("Ground tile"), [INFO] [stdout] | ^^^^ ^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] help: if this is intentional, prefix it with an underscore [INFO] [stdout] | [INFO] [stdout] 74 | _tile @ Tile::Grass | _tile @ Tile::Dirt | _tile @ Tile::Sand => println!("Ground tile"), [INFO] [stdout] | + + + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `SuperPower` is never constructed [INFO] [stdout] --> src/bin/a35.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 25 | enum TreasureItem { [INFO] [stdout] | ------------ variant in this enum [INFO] [stdout] 26 | Gold, [INFO] [stdout] 27 | SuperPower, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TreasureItem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Dungeon`, `Gray`, and `Red` are never constructed [INFO] [stdout] --> src/bin/a35.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 40 | enum BrickStyle { [INFO] [stdout] | ---------- variants in this enum [INFO] [stdout] 41 | Dungeon, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 42 | Gray, [INFO] [stdout] | ^^^^ [INFO] [stdout] 43 | Red, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BrickStyle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Brick`, `Dirt`, and `Grass` are never constructed [INFO] [stdout] --> src/bin/a35.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 47 | enum Tile { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] 48 | Brick(BrickStyle), [INFO] [stdout] | ^^^^^ [INFO] [stdout] 49 | Dirt, [INFO] [stdout] | ^^^^ [INFO] [stdout] 50 | Grass, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Tile` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/bin/a41.rs:78:28 [INFO] [stdout] | [INFO] [stdout] 78 | for job in jobs.pop_front() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 78 - for job in jobs.pop_front() { [INFO] [stdout] 78 + while let Some(job) = jobs.pop_front() { [INFO] [stdout] | [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 78 - for job in jobs.pop_front() { [INFO] [stdout] 78 + if let Some(job) = jobs.pop_front() { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/a28.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 17 | Custom(String), [INFO] [stdout] | ------ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 17 - Custom(String), [INFO] [stdout] 17 + Custom(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple variants are never constructed [INFO] [stdout] --> src/bin/a28.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 13 | enum Color { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 14 | Black, [INFO] [stdout] 15 | Blue, [INFO] [stdout] | ^^^^ [INFO] [stdout] 16 | Brown, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 17 | Custom(String), [INFO] [stdout] 18 | Gray, [INFO] [stdout] | ^^^^ [INFO] [stdout] 19 | Green, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 20 | Purple, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 21 | Red, [INFO] [stdout] 22 | White, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 23 | Yellow, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/bin/a18b.rs:46:13 [INFO] [stdout] | [INFO] [stdout] 46 | _ => Err("Not a position".to_owned()) [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/bin/a18b.rs:46:13 [INFO] [stdout] | [INFO] [stdout] 40 | Position::Maintenance => Ok(self), [INFO] [stdout] | --------------------- matches some of the same values [INFO] [stdout] 41 | Position::Marketing => Ok(self), [INFO] [stdout] | ------------------- matches some of the same values [INFO] [stdout] 42 | Position::Managers => Ok(self), [INFO] [stdout] | ------------------ matches some of the same values [INFO] [stdout] 43 | Position::LineSupervisors => Ok(self), [INFO] [stdout] | ------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 46 | _ => Err("Not a position".to_owned()) [INFO] [stdout] | ^ ...and 2 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `check_status` [INFO] [stdout] --> src/bin/a18b.rs:77:13 [INFO] [stdout] | [INFO] [stdout] 77 | let check_status = self.status.check_status()?; [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_check_status` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/a36.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let mut stream: Vec<_> = data().chunks(2).collect(); [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 import: `activitylib::msg` [INFO] [stdout] --> src/bin/a39.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | use activitylib::msg; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `user_id` and `name` are never read [INFO] [stdout] --> src/bin/a21.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 12 | struct User { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 13 | user_id: i32, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 14 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/bin/a39.rs:74:9 [INFO] [stdout] | [INFO] [stdout] 46 | / loop { [INFO] [stdout] 47 | | if let Ok(msg) = receiver.recv() { [INFO] [stdout] 48 | | match msg { [INFO] [stdout] 49 | | LightMsg::ChangeColor(r, g, b) => { [INFO] [stdout] ... | [INFO] [stdout] 73 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] 74 | light_status [INFO] [stdout] | ^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `light_status` [INFO] [stdout] --> src/bin/a39.rs:90:9 [INFO] [stdout] | [INFO] [stdout] 90 | let light_status = light.join(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_light_status` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/a39.rs:83:5 [INFO] [stdout] | [INFO] [stdout] 83 | s.send(LightMsg::On); [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 83 | let _ = s.send(LightMsg::On); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/a39.rs:84:5 [INFO] [stdout] | [INFO] [stdout] 84 | s.send(LightMsg::ChangeColor(23, 24, 50)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 84 | let _ = s.send(LightMsg::ChangeColor(23, 24, 50)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/a39.rs:85:5 [INFO] [stdout] | [INFO] [stdout] 85 | s.send(LightMsg::ChangeColor(255, 255, 255)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 85 | let _ = s.send(LightMsg::ChangeColor(255, 255, 255)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/a39.rs:86:5 [INFO] [stdout] | [INFO] [stdout] 86 | s.send(LightMsg::ChangeColor(23, 88, 233)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 86 | let _ = s.send(LightMsg::ChangeColor(23, 88, 233)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/a39.rs:87:5 [INFO] [stdout] | [INFO] [stdout] 87 | s.send(LightMsg::Disconnect); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 87 | let _ = s.send(LightMsg::Disconnect); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/a39.rs:88:5 [INFO] [stdout] | [INFO] [stdout] 88 | s.send(LightMsg::Off); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 88 | let _ = s.send(LightMsg::Off); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `part_1` is never used [INFO] [stdout] --> src/bin/a23.rs:11:4 [INFO] [stdout] | [INFO] [stdout] 11 | fn part_1() -> bool { [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 `part_2` is never used [INFO] [stdout] --> src/bin/a23.rs:21:4 [INFO] [stdout] | [INFO] [stdout] 21 | fn part_2() -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `part_3` is never used [INFO] [stdout] --> src/bin/a23.rs:29:4 [INFO] [stdout] | [INFO] [stdout] 29 | fn part_3() -> Access { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Access` is never used [INFO] [stdout] --> src/bin/a23.rs:37:6 [INFO] [stdout] | [INFO] [stdout] 37 | enum Access { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `maybe_access` is never used [INFO] [stdout] --> src/bin/a23.rs:43:4 [INFO] [stdout] | [INFO] [stdout] 43 | fn maybe_access(name: &str) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `root` is never used [INFO] [stdout] --> src/bin/a23.rs:51:4 [INFO] [stdout] | [INFO] [stdout] 51 | fn root() -> Option { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bo` [INFO] [stdout] --> src/bin/a34.rs:79:12 [INFO] [stdout] | [INFO] [stdout] 79 | Ok(bo) => println!("user receive item successfully"), [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_bo` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `state` is never read [INFO] [stdout] --> src/bin/a34.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 19 | struct Luggage{ [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 20 | userid: i32, [INFO] [stdout] 21 | state: State [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 `clamp` is never used [INFO] [stdout] --> src/bin/a22.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | fn clamp(n: i32, lower: i32, upper: 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 `div` is never used [INFO] [stdout] --> src/bin/a22.rs:25:4 [INFO] [stdout] | [INFO] [stdout] 25 | fn div(a: i32, b: i32) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `concat` is never used [INFO] [stdout] --> src/bin/a22.rs:34:4 [INFO] [stdout] | [INFO] [stdout] 34 | fn concat(first: &str, second: &str) -> String { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Black` and `White` are never constructed [INFO] [stdout] --> src/bin/a7.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 13 | enum Color { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 14 | Black, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 15 | White, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Truck` is never constructed [INFO] [stdout] --> src/bin/a30.rs:45:8 [INFO] [stdout] | [INFO] [stdout] 45 | struct Truck; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::num` [INFO] [stdout] --> src/bin/a16.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use core::num; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `RgbError` is never used [INFO] [stdout] --> src/bin/a37.rs:29:6 [INFO] [stdout] | [INFO] [stdout] 29 | enum RgbError { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Rgb` is never constructed [INFO] [stdout] --> src/bin/a37.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | struct Rgb(u8, u8, u8); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Unavailable` and `Rented` are never constructed [INFO] [stdout] --> src/bin/a40.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 27 | enum VehicleStatus{ [INFO] [stdout] | ------------- variants in this enum [INFO] [stdout] 28 | Available, [INFO] [stdout] 29 | Unavailable, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 30 | Maintenance, [INFO] [stdout] 31 | Rented [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `VehicleStatus` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `vehicle_type`, `vin_number`, and `vehicle_status` are never read [INFO] [stdout] --> src/bin/a40.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 35 | struct RentalInfo{ [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 36 | vehicle_type: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 37 | vin_number: u64, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 38 | vehicle_status: VehicleStatus [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RentalInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.65s [INFO] running `Command { std: "docker" "inspect" "a9c7de778e8963b13c6591d00fc0d0e15fddf66b656e01cc0c890afcabe0d8ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a9c7de778e8963b13c6591d00fc0d0e15fddf66b656e01cc0c890afcabe0d8ec", kill_on_drop: false }` [INFO] [stdout] a9c7de778e8963b13c6591d00fc0d0e15fddf66b656e01cc0c890afcabe0d8ec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 27ed646a74aad599c8c490c6ed2f44e5223b1b497d3ab06e6fcdd4502c7df938 [INFO] running `Command { std: "docker" "start" "-a" "27ed646a74aad599c8c490c6ed2f44e5223b1b497d3ab06e6fcdd4502c7df938", kill_on_drop: false }` [INFO] [stderr] Compiling activities v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/bin/a41.rs:78:28 [INFO] [stdout] | [INFO] [stdout] 78 | for job in jobs.pop_front() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 78 - for job in jobs.pop_front() { [INFO] [stdout] 78 + while let Some(job) = jobs.pop_front() { [INFO] [stdout] | [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 78 - for job in jobs.pop_front() { [INFO] [stdout] 78 + if let Some(job) = jobs.pop_front() { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::num` [INFO] [stdout] --> src/bin/p1.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | use core::num; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Black` and `White` are never constructed [INFO] [stdout] --> src/bin/a7.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 13 | enum Color { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 14 | Black, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 15 | White, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::num` [INFO] [stdout] --> src/bin/a16.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use core::num; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `user_id` and `name` are never read [INFO] [stdout] --> src/bin/a21.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 12 | struct User { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 13 | user_id: i32, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 14 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/a28.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 17 | Custom(String), [INFO] [stdout] | ------ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 17 - Custom(String), [INFO] [stdout] 17 + Custom(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple variants are never constructed [INFO] [stdout] --> src/bin/a28.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 13 | enum Color { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 14 | Black, [INFO] [stdout] 15 | Blue, [INFO] [stdout] | ^^^^ [INFO] [stdout] 16 | Brown, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 17 | Custom(String), [INFO] [stdout] 18 | Gray, [INFO] [stdout] | ^^^^ [INFO] [stdout] 19 | Green, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 20 | Purple, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 21 | Red, [INFO] [stdout] 22 | White, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 23 | Yellow, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bo` [INFO] [stdout] --> src/bin/a34.rs:79:12 [INFO] [stdout] | [INFO] [stdout] 79 | Ok(bo) => println!("user receive item successfully"), [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_bo` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `state` is never read [INFO] [stdout] --> src/bin/a34.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 19 | struct Luggage{ [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 20 | userid: i32, [INFO] [stdout] 21 | state: State [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/bin/a18b.rs:46:13 [INFO] [stdout] | [INFO] [stdout] 46 | _ => Err("Not a position".to_owned()) [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/bin/a18b.rs:46:13 [INFO] [stdout] | [INFO] [stdout] 40 | Position::Maintenance => Ok(self), [INFO] [stdout] | --------------------- matches some of the same values [INFO] [stdout] 41 | Position::Marketing => Ok(self), [INFO] [stdout] | ------------------- matches some of the same values [INFO] [stdout] 42 | Position::Managers => Ok(self), [INFO] [stdout] | ------------------ matches some of the same values [INFO] [stdout] 43 | Position::LineSupervisors => Ok(self), [INFO] [stdout] | ------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 46 | _ => Err("Not a position".to_owned()) [INFO] [stdout] | ^ ...and 2 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `check_status` [INFO] [stdout] --> src/bin/a18b.rs:77:13 [INFO] [stdout] | [INFO] [stdout] 77 | let check_status = self.status.check_status()?; [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_check_status` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tile` [INFO] [stdout] --> src/bin/a35.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | let tile = Tile::Water(Pressure(11)); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_tile` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tilet` [INFO] [stdout] --> src/bin/a35.rs:59:9 [INFO] [stdout] | [INFO] [stdout] 59 | let tilet = Tile::Treasure(TreasureChest { content: TreasureItem::Gold, amount: 100 }); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_tilet` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tile3` [INFO] [stdout] --> src/bin/a35.rs:61:9 [INFO] [stdout] | [INFO] [stdout] 61 | let tile3 = Tile::Sand; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_tile3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tile` [INFO] [stdout] --> src/bin/a35.rs:74:5 [INFO] [stdout] | [INFO] [stdout] 74 | tile @ Tile::Grass | tile @ Tile::Dirt | tile @ Tile::Sand => println!("Ground tile"), [INFO] [stdout] | ^^^^ ^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] help: if this is intentional, prefix it with an underscore [INFO] [stdout] | [INFO] [stdout] 74 | _tile @ Tile::Grass | _tile @ Tile::Dirt | _tile @ Tile::Sand => println!("Ground tile"), [INFO] [stdout] | + + + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `SuperPower` is never constructed [INFO] [stdout] --> src/bin/a35.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 25 | enum TreasureItem { [INFO] [stdout] | ------------ variant in this enum [INFO] [stdout] 26 | Gold, [INFO] [stdout] 27 | SuperPower, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TreasureItem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Dungeon`, `Gray`, and `Red` are never constructed [INFO] [stdout] --> src/bin/a35.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 40 | enum BrickStyle { [INFO] [stdout] | ---------- variants in this enum [INFO] [stdout] 41 | Dungeon, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 42 | Gray, [INFO] [stdout] | ^^^^ [INFO] [stdout] 43 | Red, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BrickStyle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Brick`, `Dirt`, and `Grass` are never constructed [INFO] [stdout] --> src/bin/a35.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 47 | enum Tile { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] 48 | Brick(BrickStyle), [INFO] [stdout] | ^^^^^ [INFO] [stdout] 49 | Dirt, [INFO] [stdout] | ^^^^ [INFO] [stdout] 50 | Grass, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Tile` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/a36.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let mut stream: Vec<_> = data().chunks(2).collect(); [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 import: `activitylib::msg` [INFO] [stdout] --> src/bin/a39.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | use activitylib::msg; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/bin/a39.rs:74:9 [INFO] [stdout] | [INFO] [stdout] 46 | / loop { [INFO] [stdout] 47 | | if let Ok(msg) = receiver.recv() { [INFO] [stdout] 48 | | match msg { [INFO] [stdout] 49 | | LightMsg::ChangeColor(r, g, b) => { [INFO] [stdout] ... | [INFO] [stdout] 73 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] 74 | light_status [INFO] [stdout] | ^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `light_status` [INFO] [stdout] --> src/bin/a39.rs:90:9 [INFO] [stdout] | [INFO] [stdout] 90 | let light_status = light.join(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_light_status` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Truck` is never constructed [INFO] [stdout] --> src/bin/a30.rs:45:8 [INFO] [stdout] | [INFO] [stdout] 45 | struct Truck; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/a39.rs:83:5 [INFO] [stdout] | [INFO] [stdout] 83 | s.send(LightMsg::On); [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 83 | let _ = s.send(LightMsg::On); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/a39.rs:84:5 [INFO] [stdout] | [INFO] [stdout] 84 | s.send(LightMsg::ChangeColor(23, 24, 50)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 84 | let _ = s.send(LightMsg::ChangeColor(23, 24, 50)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/a39.rs:85:5 [INFO] [stdout] | [INFO] [stdout] 85 | s.send(LightMsg::ChangeColor(255, 255, 255)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 85 | let _ = s.send(LightMsg::ChangeColor(255, 255, 255)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/a39.rs:86:5 [INFO] [stdout] | [INFO] [stdout] 86 | s.send(LightMsg::ChangeColor(23, 88, 233)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 86 | let _ = s.send(LightMsg::ChangeColor(23, 88, 233)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/a39.rs:87:5 [INFO] [stdout] | [INFO] [stdout] 87 | s.send(LightMsg::Disconnect); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 87 | let _ = s.send(LightMsg::Disconnect); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/a39.rs:88:5 [INFO] [stdout] | [INFO] [stdout] 88 | s.send(LightMsg::Off); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 88 | let _ = s.send(LightMsg::Off); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Unavailable` and `Rented` are never constructed [INFO] [stdout] --> src/bin/a40.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 27 | enum VehicleStatus{ [INFO] [stdout] | ------------- variants in this enum [INFO] [stdout] 28 | Available, [INFO] [stdout] 29 | Unavailable, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 30 | Maintenance, [INFO] [stdout] 31 | Rented [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `VehicleStatus` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `vehicle_type`, `vin_number`, and `vehicle_status` are never read [INFO] [stdout] --> src/bin/a40.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 35 | struct RentalInfo{ [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 36 | vehicle_type: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 37 | vin_number: u64, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 38 | vehicle_status: VehicleStatus [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RentalInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.40s [INFO] running `Command { std: "docker" "inspect" "27ed646a74aad599c8c490c6ed2f44e5223b1b497d3ab06e6fcdd4502c7df938", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27ed646a74aad599c8c490c6ed2f44e5223b1b497d3ab06e6fcdd4502c7df938", kill_on_drop: false }` [INFO] [stdout] 27ed646a74aad599c8c490c6ed2f44e5223b1b497d3ab06e6fcdd4502c7df938 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 00cda2c95c27183b4009b2a34a47cdcd0e51d08bb10acddacef28fe63cd5e127 [INFO] running `Command { std: "docker" "start" "-a" "00cda2c95c27183b4009b2a34a47cdcd0e51d08bb10acddacef28fe63cd5e127", kill_on_drop: false }` [INFO] [stderr] warning: for loop over an `Option`. This is more readably written as an `if let` statement [INFO] [stderr] --> src/bin/a41.rs:78:28 [INFO] [stderr] | [INFO] [stderr] 78 | for job in jobs.pop_front() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stderr] help: to check pattern in a loop use `while let` [INFO] [stderr] | [INFO] [stderr] 78 - for job in jobs.pop_front() { [INFO] [stderr] 78 + while let Some(job) = jobs.pop_front() { [INFO] [stderr] | [INFO] [stderr] help: consider using `if let` to clear intent [INFO] [stderr] | [INFO] [stderr] 78 - for job in jobs.pop_front() { [INFO] [stderr] 78 + if let Some(job) = jobs.pop_front() { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/bin/a18b.rs:46:13 [INFO] [stderr] | [INFO] [stderr] 46 | _ => Err("Not a position".to_owned()) [INFO] [stderr] | ^ no value can reach this [INFO] [stderr] | [INFO] [stderr] note: multiple earlier patterns match some of the same values [INFO] [stderr] --> src/bin/a18b.rs:46:13 [INFO] [stderr] | [INFO] [stderr] 40 | Position::Maintenance => Ok(self), [INFO] [stderr] | --------------------- matches some of the same values [INFO] [stderr] 41 | Position::Marketing => Ok(self), [INFO] [stderr] | ------------------- matches some of the same values [INFO] [stderr] 42 | Position::Managers => Ok(self), [INFO] [stderr] | ------------------ matches some of the same values [INFO] [stderr] 43 | Position::LineSupervisors => Ok(self), [INFO] [stderr] | ------------------------- matches some of the same values [INFO] [stderr] ... [INFO] [stderr] 46 | _ => Err("Not a position".to_owned()) [INFO] [stderr] | ^ ...and 2 other patterns collectively make this unreachable [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `check_status` [INFO] [stderr] --> src/bin/a18b.rs:77:13 [INFO] [stderr] | [INFO] [stderr] 77 | let check_status = self.status.check_status()?; [INFO] [stderr] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_check_status` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `bo` [INFO] [stderr] --> src/bin/a34.rs:79:12 [INFO] [stderr] | [INFO] [stderr] 79 | Ok(bo) => println!("user receive item successfully"), [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_bo` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: field `state` is never read [INFO] [stderr] --> src/bin/a34.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 19 | struct Luggage{ [INFO] [stderr] | ------- field in this struct [INFO] [stderr] 20 | userid: i32, [INFO] [stderr] 21 | state: State [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `core::num` [INFO] [stderr] --> src/bin/p1.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | use core::num; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `activities` (bin "a41" test) generated 1 warning [INFO] [stderr] warning: `activities` (bin "a18b" test) generated 2 warnings [INFO] [stderr] warning: `activities` (bin "a34" test) generated 2 warnings [INFO] [stderr] warning: `activities` (bin "p1" test) generated 1 warning (run `cargo fix --bin "p1" --tests` to apply 1 suggestion) [INFO] [stderr] warning: unused import: `core::num` [INFO] [stderr] --> src/bin/a16.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use core::num; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: fields `user_id` and `name` are never read [INFO] [stderr] --> src/bin/a21.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 12 | struct User { [INFO] [stderr] | ---- fields in this struct [INFO] [stderr] 13 | user_id: i32, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] 14 | name: String, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `activitylib::msg` [INFO] [stderr] --> src/bin/a39.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | use activitylib::msg; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/bin/a39.rs:74:9 [INFO] [stderr] | [INFO] [stderr] 46 | / loop { [INFO] [stderr] 47 | | if let Ok(msg) = receiver.recv() { [INFO] [stderr] 48 | | match msg { [INFO] [stderr] 49 | | LightMsg::ChangeColor(r, g, b) => { [INFO] [stderr] ... | [INFO] [stderr] 73 | | } [INFO] [stderr] | |_________- any code following this expression is unreachable [INFO] [stderr] 74 | light_status [INFO] [stderr] | ^^^^^^^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `light_status` [INFO] [stderr] --> src/bin/a39.rs:90:9 [INFO] [stderr] | [INFO] [stderr] 90 | let light_status = light.join(); [INFO] [stderr] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_light_status` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/bin/a39.rs:83:5 [INFO] [stderr] | [INFO] [stderr] 83 | s.send(LightMsg::On); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 83 | let _ = s.send(LightMsg::On); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/bin/a39.rs:84:5 [INFO] [stderr] | [INFO] [stderr] 84 | s.send(LightMsg::ChangeColor(23, 24, 50)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 84 | let _ = s.send(LightMsg::ChangeColor(23, 24, 50)); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/bin/a39.rs:85:5 [INFO] [stderr] | [INFO] [stderr] 85 | s.send(LightMsg::ChangeColor(255, 255, 255)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 85 | let _ = s.send(LightMsg::ChangeColor(255, 255, 255)); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/bin/a39.rs:86:5 [INFO] [stderr] | [INFO] [stderr] 86 | s.send(LightMsg::ChangeColor(23, 88, 233)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 86 | let _ = s.send(LightMsg::ChangeColor(23, 88, 233)); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/bin/a39.rs:87:5 [INFO] [stderr] | [INFO] [stderr] 87 | s.send(LightMsg::Disconnect); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 87 | let _ = s.send(LightMsg::Disconnect); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/bin/a39.rs:88:5 [INFO] [stderr] | [INFO] [stderr] 88 | s.send(LightMsg::Off); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 88 | let _ = s.send(LightMsg::Off); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: variants `Black` and `White` are never constructed [INFO] [stderr] --> src/bin/a7.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 13 | enum Color { [INFO] [stderr] | ----- variants in this enum [INFO] [stderr] 14 | Black, [INFO] [stderr] | ^^^^^ [INFO] [stderr] 15 | White, [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `activities` (bin "a16" test) generated 1 warning (run `cargo fix --bin "a16" --tests` to apply 1 suggestion) [INFO] [stderr] warning: `activities` (bin "a21" test) generated 1 warning [INFO] [stderr] warning: `activities` (bin "a39" test) generated 9 warnings (run `cargo fix --bin "a39" --tests` to apply 1 suggestion) [INFO] [stderr] warning: `activities` (bin "a7" test) generated 1 warning [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/a36.rs:19:9 [INFO] [stderr] | [INFO] [stderr] 19 | let mut stream: Vec<_> = data().chunks(2).collect(); [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: `tile` [INFO] [stderr] --> src/bin/a35.rs:58:9 [INFO] [stderr] | [INFO] [stderr] 58 | let tile = Tile::Water(Pressure(11)); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_tile` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `tilet` [INFO] [stderr] --> src/bin/a35.rs:59:9 [INFO] [stderr] | [INFO] [stderr] 59 | let tilet = Tile::Treasure(TreasureChest { content: TreasureItem::Gold, amount: 100 }); [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_tilet` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `tile3` [INFO] [stderr] --> src/bin/a35.rs:61:9 [INFO] [stderr] | [INFO] [stderr] 61 | let tile3 = Tile::Sand; [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_tile3` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `tile` [INFO] [stderr] --> src/bin/a35.rs:74:5 [INFO] [stderr] | [INFO] [stderr] 74 | tile @ Tile::Grass | tile @ Tile::Dirt | tile @ Tile::Sand => println!("Ground tile"), [INFO] [stderr] | ^^^^ ^^^^ ^^^^ [INFO] [stderr] | [INFO] [stderr] help: if this is intentional, prefix it with an underscore [INFO] [stderr] | [INFO] [stderr] 74 | _tile @ Tile::Grass | _tile @ Tile::Dirt | _tile @ Tile::Sand => println!("Ground tile"), [INFO] [stderr] | + + + [INFO] [stderr] [INFO] [stderr] warning: variant `SuperPower` is never constructed [INFO] [stderr] --> src/bin/a35.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 25 | enum TreasureItem { [INFO] [stderr] | ------------ variant in this enum [INFO] [stderr] 26 | Gold, [INFO] [stderr] 27 | SuperPower, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `TreasureItem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: variants `Dungeon`, `Gray`, and `Red` are never constructed [INFO] [stderr] --> src/bin/a35.rs:41:5 [INFO] [stderr] | [INFO] [stderr] 40 | enum BrickStyle { [INFO] [stderr] | ---------- variants in this enum [INFO] [stderr] 41 | Dungeon, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] 42 | Gray, [INFO] [stderr] | ^^^^ [INFO] [stderr] 43 | Red, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `BrickStyle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: variants `Brick`, `Dirt`, and `Grass` are never constructed [INFO] [stderr] --> src/bin/a35.rs:48:5 [INFO] [stderr] | [INFO] [stderr] 47 | enum Tile { [INFO] [stderr] | ---- variants in this enum [INFO] [stderr] 48 | Brick(BrickStyle), [INFO] [stderr] | ^^^^^ [INFO] [stderr] 49 | Dirt, [INFO] [stderr] | ^^^^ [INFO] [stderr] 50 | Grass, [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Tile` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: variants `Unavailable` and `Rented` are never constructed [INFO] [stderr] --> src/bin/a40.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 27 | enum VehicleStatus{ [INFO] [stderr] | ------------- variants in this enum [INFO] [stderr] 28 | Available, [INFO] [stderr] 29 | Unavailable, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] 30 | Maintenance, [INFO] [stderr] 31 | Rented [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `VehicleStatus` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: fields `vehicle_type`, `vin_number`, and `vehicle_status` are never read [INFO] [stderr] --> src/bin/a40.rs:36:5 [INFO] [stderr] | [INFO] [stderr] 35 | struct RentalInfo{ [INFO] [stderr] | ---------- fields in this struct [INFO] [stderr] 36 | vehicle_type: String, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] 37 | vin_number: u64, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] 38 | vehicle_status: VehicleStatus [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `RentalInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/bin/a28.rs:17:12 [INFO] [stderr] | [INFO] [stderr] 17 | Custom(String), [INFO] [stderr] | ------ ^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 17 - Custom(String), [INFO] [stderr] 17 + Custom(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: multiple variants are never constructed [INFO] [stderr] --> src/bin/a28.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 13 | enum Color { [INFO] [stderr] | ----- variants in this enum [INFO] [stderr] 14 | Black, [INFO] [stderr] 15 | Blue, [INFO] [stderr] | ^^^^ [INFO] [stderr] 16 | Brown, [INFO] [stderr] | ^^^^^ [INFO] [stderr] 17 | Custom(String), [INFO] [stderr] 18 | Gray, [INFO] [stderr] | ^^^^ [INFO] [stderr] 19 | Green, [INFO] [stderr] | ^^^^^ [INFO] [stderr] 20 | Purple, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] 21 | Red, [INFO] [stderr] 22 | White, [INFO] [stderr] | ^^^^^ [INFO] [stderr] 23 | Yellow, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: struct `Truck` is never constructed [INFO] [stderr] --> src/bin/a30.rs:45:8 [INFO] [stderr] | [INFO] [stderr] 45 | struct Truck; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `activities` (bin "a36" test) generated 1 warning (run `cargo fix --bin "a36" --tests` to apply 1 suggestion) [INFO] [stderr] warning: `activities` (bin "a35" test) generated 7 warnings [INFO] [stderr] warning: `activities` (bin "a40" test) generated 2 warnings [INFO] [stderr] warning: `activities` (bin "a28" test) generated 2 warnings [INFO] [stderr] warning: `activities` (bin "a30" test) generated 1 warning [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests src/activitylib/mod.rs (/opt/rustwide/target/debug/deps/activitylib-793e9adf261d7f1e) [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] [stderr] Running unittests src/bin/a1.rs (/opt/rustwide/target/debug/deps/a1-d68e3f859afef22d) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/a10.rs (/opt/rustwide/target/debug/deps/a10-7d0a07a6a6a73f74) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/a11.rs (/opt/rustwide/target/debug/deps/a11-6e15c4318fc67e5f) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/a12.rs (/opt/rustwide/target/debug/deps/a12-74dfb218ab543b1b) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/a13.rs (/opt/rustwide/target/debug/deps/a13-a81079386756e2c1) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/a14.rs (/opt/rustwide/target/debug/deps/a14-3fa8ad7010b842ab) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/a15.rs (/opt/rustwide/target/debug/deps/a15-324cefd002521cd7) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/a16.rs (/opt/rustwide/target/debug/deps/a16-beab82bc3ae300e6) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/a17.rs (/opt/rustwide/target/debug/deps/a17-44a157355babe5be) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/a18.rs (/opt/rustwide/target/debug/deps/a18-5512ed3b3c4b3150) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/a18b.rs (/opt/rustwide/target/debug/deps/a18b-984cf209f20be135) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/a19.rs (/opt/rustwide/target/debug/deps/a19-f54106104080a730) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/a2.rs (/opt/rustwide/target/debug/deps/a2-5b740f7ea4cbfa72) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/a20.rs (/opt/rustwide/target/debug/deps/a20-6458bdb5a3ce70e6) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/a21.rs (/opt/rustwide/target/debug/deps/a21-144aafba4a48e3d7) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/a22.rs (/opt/rustwide/target/debug/deps/a22-56b5969a93505a2d) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test test::test_clamp_n_is_lt ... ok [INFO] [stdout] test test::test_clamp_n_is_gt ... ok [INFO] [stdout] test test::test_div_0 ... ok [INFO] [stdout] test test::test_concat_0 ... ok [INFO] [stdout] test test::test_div ... ok [INFO] [stdout] test test::test_concat_cap_lower ... ok [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/a23.rs (/opt/rustwide/target/debug/deps/a23-7bff1b47b11597df) [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/a24.rs (/opt/rustwide/target/debug/deps/a24-8713bf2a754fb94f) [INFO] [stdout] running 3 tests [INFO] [stdout] test test::check_part_2 ... ok [INFO] [stdout] test test::check_part_3 ... ok [INFO] [stdout] test test::check_part_1 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/a25.rs (/opt/rustwide/target/debug/deps/a25-99a02731479a3d17) [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] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/a26.rs (/opt/rustwide/target/debug/deps/a26-ab4fc93a099854e9) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/a26b.rs (/opt/rustwide/target/debug/deps/a26b-56421d1b352a81fe) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/a26c.rs (/opt/rustwide/target/debug/deps/a26c-31fd59fe0a6055b3) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/a27.rs (/opt/rustwide/target/debug/deps/a27-79eb7c158167cfa9) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/a28.rs (/opt/rustwide/target/debug/deps/a28-4c669c511b4e1667) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/a29.rs (/opt/rustwide/target/debug/deps/a29-97afb4943cc79e48) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests src/bin/a30.rs (/opt/rustwide/target/debug/deps/a30-c3d454f334059444) [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/a31.rs (/opt/rustwide/target/debug/deps/a31-0e81085743494844) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/a32.rs (/opt/rustwide/target/debug/deps/a32-7918a844998a79b8) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/a33.rs (/opt/rustwide/target/debug/deps/a33-6163037be18eabe3) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/a34.rs (/opt/rustwide/target/debug/deps/a34-0b283b6243dfec87) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/a35.rs (/opt/rustwide/target/debug/deps/a35-8f9b236e877af54a) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/a36.rs (/opt/rustwide/target/debug/deps/a36-41a4bae79edfbbf5) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/a37.rs (/opt/rustwide/target/debug/deps/a37-68917944f4c0b09d) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test test::fails_on_invalid_hex_digits ... ok [INFO] [stdout] test test::converts_valid_hex_color ... ok [INFO] [stdout] test test::fails_when_missing_hash ... ok [INFO] [stdout] test test::fails_with_too_many_color_components ... ok [INFO] [stdout] test test::fails_when_missing_color_components ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/a38.rs (/opt/rustwide/target/debug/deps/a38-d4118a53ec1ca06a) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/a39.rs (/opt/rustwide/target/debug/deps/a39-9fc4a9eeafcce728) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stderr] error: test failed, to rerun pass `--bin a39` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/deps/a39-9fc4a9eeafcce728` (signal: 9, SIGKILL: kill) [INFO] running `Command { std: "docker" "inspect" "00cda2c95c27183b4009b2a34a47cdcd0e51d08bb10acddacef28fe63cd5e127", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "00cda2c95c27183b4009b2a34a47cdcd0e51d08bb10acddacef28fe63cd5e127", kill_on_drop: false }` [INFO] [stdout] 00cda2c95c27183b4009b2a34a47cdcd0e51d08bb10acddacef28fe63cd5e127