[INFO] cloning repository https://github.com/JacksonSamuel42/100-exercises-to-learn-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JacksonSamuel42/100-exercises-to-learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJacksonSamuel42%2F100-exercises-to-learn-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJacksonSamuel42%2F100-exercises-to-learn-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0a0ecf08338e8453cb8db733944825812449694a [INFO] checking JacksonSamuel42/100-exercises-to-learn-rust against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJacksonSamuel42%2F100-exercises-to-learn-rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/JacksonSamuel42/100-exercises-to-learn-rust [INFO] finished tweaking git repo https://github.com/JacksonSamuel42/100-exercises-to-learn-rust [INFO] tweaked toml for git repo https://github.com/JacksonSamuel42/100-exercises-to-learn-rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/JacksonSamuel42/100-exercises-to-learn-rust on toolchain a5689b034ad287112f709693384a37f1377eb9cc [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/JacksonSamuel42/100-exercises-to-learn-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" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] 838eb3dd93d09eba39c4bbd2920dfb9ddebfae7d8ea5c0d93b18afb27d4b20a4 [INFO] running `Command { std: "docker" "start" "838eb3dd93d09eba39c4bbd2920dfb9ddebfae7d8ea5c0d93b18afb27d4b20a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "838eb3dd93d09eba39c4bbd2920dfb9ddebfae7d8ea5c0d93b18afb27d4b20a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "838eb3dd93d09eba39c4bbd2920dfb9ddebfae7d8ea5c0d93b18afb27d4b20a4" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "838eb3dd93d09eba39c4bbd2920dfb9ddebfae7d8ea5c0d93b18afb27d4b20a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "838eb3dd93d09eba39c4bbd2920dfb9ddebfae7d8ea5c0d93b18afb27d4b20a4" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.106 [INFO] [stderr] Compiling quote v1.0.45 [INFO] [stderr] Compiling unicode-ident v1.0.24 [INFO] [stderr] Checking common v0.1.0 (/opt/rustwide/workdir/helpers/common) [INFO] [stderr] Compiling libc v0.2.186 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Checking cfg-if v1.0.4 [INFO] [stderr] Checking log v0.4.30 [INFO] [stderr] Checking smallvec v1.15.1 [INFO] [stderr] Compiling parking_lot_core v0.9.12 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking bytes v1.11.1 [INFO] [stderr] Checking pin-project-lite 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Checking dtoa v1.0.11 [INFO] [stderr] Checking sync_wrapper v1.0.2 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking inotify v0.11.1 [INFO] [stderr] Checking dtoa-short v0.3.5 [INFO] [stderr] Checking notify-types v2.1.0 [INFO] [stderr] Checking num-modular v0.6.1 [INFO] [stderr] Checking fastrand v2.4.1 [INFO] [stderr] Compiling pulldown-cmark v0.10.3 [INFO] [stderr] Checking ryu v1.0.23 [INFO] [stderr] Checking axum-core v0.5.6 [INFO] [stderr] Checking iana-time-zone v0.1.65 [INFO] [stderr] Checking base64 v0.22.1 [INFO] [stderr] Checking notify v8.2.0 [INFO] [stderr] Checking crossbeam-deque v0.8.6 [INFO] [stderr] Checking http-range-header v0.4.2 [INFO] [stderr] Checking pulldown-cmark-escape v0.10.1 [INFO] [stderr] Checking matchit v0.8.4 [INFO] [stderr] Checking jiff v0.2.27 [INFO] [stderr] Checking maplit v1.0.2 [INFO] [stderr] Checking chrono v0.4.44 [INFO] [stderr] Checking hex v0.4.3 [INFO] [stderr] Checking shlex v1.3.0 [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Checking crypto-common v0.1.7 [INFO] [stderr] Checking pathdiff v0.2.3 [INFO] [stderr] Checking topological-sort v0.2.2 [INFO] [stderr] Checking semver v1.0.28 [INFO] [stderr] Checking num-order v1.2.0 [INFO] [stderr] Compiling pulldown-cmark v0.11.3 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking unicode-width v0.2.2 [INFO] [stderr] Checking pulldown-cmark-escape v0.11.0 [INFO] [stderr] Checking either v1.16.0 [INFO] [stderr] Checking packages v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/10_packages) [INFO] [stderr] Checking outro_03 v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/14_outro) [INFO] [stderr] Checking sha1 v0.10.6 [INFO] [stderr] Checking sha2 v0.10.9 [INFO] [stderr] Checking outro_02 v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/12_outro) [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking getopts v0.2.24 [INFO] [stderr] Checking error_trait v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/09_error_trait) [INFO] [stdout] warning: variants `InProgress` and `Done` are never constructed [INFO] [stdout] --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:49:5 [INFO] [stdout] | [INFO] [stdout] 47 | enum Status { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] 48 | ToDo, [INFO] [stdout] 49 | InProgress { assigned_to: String }, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 50 | Done, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Status` 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] [stderr] Checking deps v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/11_dependencies) [INFO] [stdout] warning: unused import: `anyhow::Error` [INFO] [stdout] --> exercises/05_ticket_v2/11_dependencies/src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use anyhow::Error; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking itertools v0.13.0 [INFO] [stderr] Checking enum_ v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/01_enum) [INFO] [stdout] warning: unused import: `anyhow::Error` [INFO] [stdout] --> exercises/05_ticket_v2/11_dependencies/src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use anyhow::Error; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking nullability v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/05_nullability) [INFO] [stdout] warning: associated items `new`, `title`, `description`, and `status` are never used [INFO] [stdout] --> exercises/05_ticket_v2/01_enum/src/lib.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 21 | impl Ticket { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 22 | pub fn new(title: String, description: String, status: Status) -> Ticket { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | pub fn title(&self) -> &String { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | pub fn description(&self) -> &String { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | pub fn status(&self) -> &Status { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking variants_with_data v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/03_variants_with_data) [INFO] [stderr] Checking unwrap v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/07_unwrap) [INFO] [stderr] Checking setters v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/07_setters) [INFO] [stderr] Checking fallibility v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/06_fallibility) [INFO] [stdout] warning: variants `InProgress` and `Done` are never constructed [INFO] [stdout] --> exercises/05_ticket_v2/07_unwrap/src/lib.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 32 | enum Status { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] 33 | ToDo, [INFO] [stdout] 34 | InProgress { assigned_to: String }, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 35 | Done, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Status` 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: associated function `new` is never used [INFO] [stdout] --> exercises/05_ticket_v2/07_unwrap/src/lib.rs:39:12 [INFO] [stdout] | [INFO] [stdout] 38 | impl Ticket { [INFO] [stdout] | ----------- associated function in this implementation [INFO] [stdout] 39 | pub fn new(title: String, description: String, status: Status) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling pest_meta v2.8.6 [INFO] [stderr] Checking str_slice v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/06_str_slice) [INFO] [stderr] Checking validation v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/02_validation) [INFO] [stdout] warning: variants `InProgress` and `Done` are never constructed [INFO] [stdout] --> exercises/05_ticket_v2/06_fallibility/src/lib.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 12 | enum Status { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] 13 | ToDo, [INFO] [stdout] 14 | InProgress { assigned_to: String }, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 15 | Done, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Status` 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] [stderr] Checking error_enums v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/08_error_enums) [INFO] [stderr] Checking factorial v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/05_factorial) [INFO] [stdout] warning: enum `TicketNewError` is never used [INFO] [stdout] --> exercises/05_ticket_v2/08_error_enums/src/lib.rs:6:6 [INFO] [stdout] | [INFO] [stdout] 6 | enum TicketNewError { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `InProgress` and `Done` are never constructed [INFO] [stdout] --> exercises/05_ticket_v2/08_error_enums/src/lib.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 43 | enum Status { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] 44 | ToDo, [INFO] [stdout] 45 | InProgress { assigned_to: String }, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 46 | Done, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Status` 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 `new` is never used [INFO] [stdout] --> exercises/05_ticket_v2/08_error_enums/src/lib.rs:50:12 [INFO] [stdout] | [INFO] [stdout] 49 | impl Ticket { [INFO] [stdout] | ----------- associated function in this implementation [INFO] [stdout] 50 | pub fn new( [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking derives v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/04_derive) [INFO] [stderr] Checking intro_07 v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/00_intro) [INFO] [stderr] Checking modules v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/03_modules) [INFO] [stderr] Checking terminal_size v0.4.4 [INFO] [stderr] Checking tempfile v3.27.0 [INFO] [stderr] Checking trait_bounds v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/05_trait_bounds) [INFO] [stderr] Checking orphan v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/02_orphan_rule) [INFO] [stderr] Checking interior_mutability v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/06_interior_mutability) [INFO] [stderr] Checking drop v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/13_drop) [INFO] [stderr] Checking overflow v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/08_overflow) [INFO] [stderr] Checking clap_builder v4.6.0 [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> exercises/07_threads/06_interior_mutability/src/lib.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct DropTracker { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 8 | value: T, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking stack v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/08_stack) [INFO] [stderr] Checking vec v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/02_vec) [INFO] [stderr] Checking struct_ v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/01_struct) [INFO] [stderr] Checking references_in_memory v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/10_references_in_memory) [INFO] [stderr] Checking match_ v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/02_match) [INFO] [stderr] Checking mut_slice v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/11_mutable_slices) [INFO] [stdout] warning: fields `title`, `description`, and `status` are never read [INFO] [stdout] --> exercises/03_ticket_v1/10_references_in_memory/src/lib.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Ticket { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 2 | title: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 3 | description: String, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 4 | status: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking intro_01 v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/00_intro) [INFO] [stdout] warning: enum `Shape` is never used [INFO] [stdout] --> exercises/05_ticket_v2/02_match/src/lib.rs:1:6 [INFO] [stdout] | [INFO] [stdout] 1 | enum Shape { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `n_sides` is never used [INFO] [stdout] --> exercises/05_ticket_v2/02_match/src/lib.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl Shape { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] 10 | // TODO: Implement the `n_sides` method using a `match`. [INFO] [stdout] 11 | pub fn n_sides(&self) -> u8 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking encapsulation v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/05_encapsulation) [INFO] [stderr] Checking overloading v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/03_operator_overloading) [INFO] [stderr] Checking variables v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/02_variables) [INFO] [stderr] Checking copy v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/12_copy) [INFO] [stderr] Checking notify-debouncer-mini v0.6.0 [INFO] [stderr] Checking visibility v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/04_visibility) [INFO] [stderr] Checking syntax v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/01_syntax) [INFO] [stderr] Checking if_else v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/03_if_else) [INFO] [stderr] Checking intro_03 v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/00_intro) [INFO] [stdout] warning: unused import: `super::ticket::Ticket` [INFO] [stdout] --> exercises/03_ticket_v1/04_visibility/src/lib.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | use super::ticket::Ticket; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Ticket` is never constructed [INFO] [stdout] --> exercises/03_ticket_v1/04_visibility/src/lib.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Ticket { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> exercises/03_ticket_v1/04_visibility/src/lib.rs:9:16 [INFO] [stdout] | [INFO] [stdout] 8 | impl Ticket { [INFO] [stdout] | ----------- associated function in this implementation [INFO] [stdout] 9 | pub fn new(title: String, description: String, status: String) -> Ticket { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking saturating v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/09_saturating) [INFO] [stderr] Checking sized v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/08_sized) [INFO] [stdout] warning: function `intro` is never used [INFO] [stdout] --> exercises/04_traits/00_intro/src/lib.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn intro() -> &'static str { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking while_ v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/06_while) [INFO] [stderr] Checking arrays v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/01_arrays) [INFO] [stderr] Checking if_let v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/04_if_let) [INFO] [stderr] Checking leaking v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/03_leak) [INFO] [stderr] Checking for_ v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/07_for) [INFO] [stderr] Checking assoc_vs_generic v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/10_assoc_vs_generic) [INFO] [stderr] Checking intro_04 v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/00_intro) [INFO] [stdout] warning: field `border` is never read [INFO] [stdout] --> exercises/05_ticket_v2/04_if_let/src/lib.rs:3:14 [INFO] [stdout] | [INFO] [stdout] 3 | Square { border: f64 }, [INFO] [stdout] | ------ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `width` and `height` are never read [INFO] [stdout] --> exercises/05_ticket_v2/04_if_let/src/lib.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | Rectangle { width: f64, height: f64 }, [INFO] [stdout] | --------- ^^^^^ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking outro_04 v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/15_outro) [INFO] [stderr] Checking scoped_threads v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/04_scoped_threads) [INFO] [stderr] Checking slice v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/10_slices) [INFO] [stderr] Checking from v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/09_from) [INFO] [stdout] warning: struct `Ticket` is never constructed [INFO] [stdout] --> exercises/04_traits/04_derive/src/lib.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | struct Ticket { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: useless conversion to the same type: `&str` [INFO] [stdout] --> exercises/05_ticket_v2/15_outro/src/title.rs:20:17 [INFO] [stdout] | [INFO] [stdout] 20 | Err("The title cannot be empty".into()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors [INFO] [stdout] = note: `#[deny(self_type_conversion)]` on by default [INFO] [stdout] help: consider removing the conversion call [INFO] [stdout] | [INFO] [stdout] 20 - Err("The title cannot be empty".into()) [INFO] [stdout] 20 + Err("The title cannot be empty") [INFO] [stdout] | [INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint [INFO] [stdout] | [INFO] [stdout] 20 - Err("The title cannot be empty".into()) [INFO] [stdout] 20 + Err(<&str as Into<_>>::into("The title cannot be empty")) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `outro_04` (lib test) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: function `intro` is never used [INFO] [stdout] --> exercises/07_threads/00_intro/src/lib.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn intro() -> &'static str { [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 variable: `wrapping` [INFO] [stdout] --> exercises/04_traits/09_from/src/lib.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let wrapping: WrappingU32 = 42.into(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wrapping` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `wrapping` [INFO] [stdout] --> exercises/04_traits/09_from/src/lib.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let wrapping = WrappingU32::from(42); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wrapping` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> exercises/04_traits/09_from/src/lib.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct WrappingU32 { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 4 | value: u32, [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 `example` is never used [INFO] [stdout] --> exercises/04_traits/09_from/src/lib.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn example() { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "838eb3dd93d09eba39c4bbd2920dfb9ddebfae7d8ea5c0d93b18afb27d4b20a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "838eb3dd93d09eba39c4bbd2920dfb9ddebfae7d8ea5c0d93b18afb27d4b20a4", kill_on_drop: false }` [INFO] [stdout] 838eb3dd93d09eba39c4bbd2920dfb9ddebfae7d8ea5c0d93b18afb27d4b20a4