[INFO] cloning repository https://github.com/developerNoman/Rust-Exercise [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/developerNoman/Rust-Exercise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdeveloperNoman%2FRust-Exercise", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdeveloperNoman%2FRust-Exercise'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 68488431560c510a86c1f0304cecbabca7c130d2 [INFO] checking developerNoman/Rust-Exercise against try#e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837 for pr-143619 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdeveloperNoman%2FRust-Exercise" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. 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[INFO] started tweaking git repo https://github.com/developerNoman/Rust-Exercise [INFO] finished tweaking git repo https://github.com/developerNoman/Rust-Exercise [INFO] tweaked toml for git repo https://github.com/developerNoman/Rust-Exercise written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/developerNoman/Rust-Exercise on toolchain e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/developerNoman/Rust-Exercise already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pulldown-cmark-escape v0.11.0 [INFO] [stderr] Downloaded pulldown-cmark-to-cmark v15.0.1 [INFO] [stderr] Downloaded pathdiff v0.2.1 [INFO] [stderr] Downloaded pulldown-cmark-escape v0.10.1 [INFO] [stderr] Downloaded maplit v1.0.2 [INFO] [stderr] Downloaded notify-debouncer-mini v0.4.1 [INFO] [stderr] Downloaded normpath v1.3.0 [INFO] [stderr] Downloaded topological-sort v0.2.2 [INFO] [stderr] Downloaded bimap v0.6.3 [INFO] [stderr] Downloaded pest_generator v2.7.11 [INFO] [stderr] Downloaded ammonia v4.0.0 [INFO] [stderr] Downloaded clap v4.5.13 [INFO] [stderr] Downloaded serde_json v1.0.122 [INFO] [stderr] Downloaded elasticlunr-rs v3.0.2 [INFO] [stderr] Downloaded pest v2.7.11 [INFO] [stderr] Downloaded pulldown-cmark v0.10.3 [INFO] [stderr] Downloaded pulldown-cmark v0.11.0 [INFO] [stderr] Downloaded handlebars v5.1.2 [INFO] [stderr] Downloaded clap_builder v4.5.13 [INFO] [stderr] Downloaded syn v2.0.72 [INFO] [stderr] Downloaded dbus v0.9.7 [INFO] [stderr] Downloaded clap_complete v4.5.12 [INFO] [stderr] Downloaded ignore v0.4.22 [INFO] [stderr] Downloaded indexmap v2.3.0 [INFO] [stderr] Downloaded cc v1.1.7 [INFO] [stderr] Downloaded ucd-trie v0.1.6 [INFO] [stderr] Downloaded pest_meta v2.7.11 [INFO] [stderr] Downloaded globset v0.4.14 [INFO] [stderr] Downloaded notify v6.1.1 [INFO] [stderr] Downloaded tempfile v3.11.0 [INFO] [stderr] Downloaded pest_derive v2.7.11 [INFO] [stderr] Downloaded opener v0.7.1 [INFO] [stderr] Downloaded tokio v1.39.2 [INFO] [stderr] Downloaded libdbus-sys v0.2.5 [INFO] [stderr] Downloaded mdbook v0.4.40 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fe42e5ef1e832cda366a2719a372959311525dff00df379d67d8c76242bac4b4 [INFO] running `Command { std: "docker" "start" "-a" "fe42e5ef1e832cda366a2719a372959311525dff00df379d67d8c76242bac4b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fe42e5ef1e832cda366a2719a372959311525dff00df379d67d8c76242bac4b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe42e5ef1e832cda366a2719a372959311525dff00df379d67d8c76242bac4b4", kill_on_drop: false }` [INFO] [stdout] fe42e5ef1e832cda366a2719a372959311525dff00df379d67d8c76242bac4b4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 17260f79372f4ebb7ea1c9d4125c18434327bc6dca7a91ec63d9ea8495258627 [INFO] running `Command { std: "docker" "start" "-a" "17260f79372f4ebb7ea1c9d4125c18434327bc6dca7a91ec63d9ea8495258627", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling thiserror v1.0.63 [INFO] [stderr] Checking common v0.1.0 (/opt/rustwide/workdir/helpers/common) [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Checking bytes v1.7.1 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Compiling version_check v0.9.5 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Compiling serde v1.0.204 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling anyhow v1.0.86 [INFO] [stderr] Compiling typenum v1.17.0 [INFO] [stderr] Compiling siphasher v0.3.11 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Checking bitflags v2.6.0 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking tinyvec_macros v0.1.1 [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Checking tinyvec v1.8.0 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking utf-8 v0.7.6 [INFO] [stderr] Compiling unicase v2.7.0 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling phf_shared v0.10.0 [INFO] [stderr] Compiling phf_shared v0.11.2 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] 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v0.3.30 [INFO] [stderr] Checking base64 v0.21.7 [INFO] [stderr] Checking tower-service v0.3.2 [INFO] [stderr] Compiling pulldown-cmark v0.10.3 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking maplit v1.0.2 [INFO] [stderr] Checking fastrand v2.1.0 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking pulldown-cmark-escape v0.10.1 [INFO] [stderr] Checking iana-time-zone v0.1.60 [INFO] [stderr] Compiling semver v1.0.23 [INFO] [stderr] Checking scoped-tls v1.0.1 [INFO] [stderr] Checking shlex v1.3.0 [INFO] [stderr] Checking pathdiff v0.2.1 [INFO] [stderr] Checking sha1 v0.10.6 [INFO] [stderr] Checking topological-sort v0.2.2 [INFO] [stderr] Checking unicode-width v0.1.13 [INFO] [stderr] Compiling pulldown-cmark v0.11.0 [INFO] [stderr] Checking notify v6.1.1 [INFO] [stderr] Checking pulldown-cmark-escape v0.11.0 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking packages v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/10_packages) [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking headers v0.3.9 [INFO] [stderr] Checking outro_03 v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/14_outro) [INFO] [stderr] Checking outro_02 v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/12_outro) [INFO] [stderr] Checking error_trait v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/09_error_trait) [INFO] [stderr] Checking itertools v0.13.0 [INFO] [stderr] Checking deps v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/11_dependencies) [INFO] [stderr] Checking notify-debouncer-mini v0.4.1 [INFO] [stdout] warning: variants `InProgress` and `Done` are never constructed [INFO] [stdout] --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 42 | enum Status { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] 43 | ToDo, [INFO] [stdout] 44 | InProgress { assigned_to: String }, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 45 | 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)]` on by default [INFO] [stdout] [INFO] [stdout] [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)]` 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 variants_with_data v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/03_variants_with_data) [INFO] [stderr] Checking setters v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/07_setters) [INFO] [stderr] Checking chrono v0.4.38 [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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking validation v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/02_validation) [INFO] [stderr] Checking terminal_size v0.3.0 [INFO] [stderr] Checking tempfile v3.11.0 [INFO] [stderr] Checking nullability v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/05_nullability) [INFO] [stderr] Checking str_slice v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/06_str_slice) [INFO] [stderr] Checking unwrap v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/07_unwrap) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> exercises/05_ticket_v2/08_error_enums/src/lib.rs:7:22 [INFO] [stdout] | [INFO] [stdout] 7 | DescriptionError(String), [INFO] [stdout] | ---------------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `TicketNewError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` 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] 7 - DescriptionError(String), [INFO] [stdout] 7 + DescriptionError(()), [INFO] [stdout] | [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: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] [INFO] [stdout] [INFO] [stderr] Checking enum_ v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/01_enum) [INFO] [stdout] warning: fields `title`, `description`, and `status` are never read [INFO] [stdout] --> exercises/03_ticket_v1/02_validation/src/lib.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | 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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking fallibility v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/06_fallibility) [INFO] [stderr] Checking assoc_vs_generic v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/10_assoc_vs_generic) [INFO] [stderr] Checking saturating v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/09_saturating) [INFO] [stderr] Checking clap_builder v4.5.13 [INFO] [stderr] Checking heap v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/09_heap) [INFO] [stdout] warning: variants `InProgress` and `Done` are never constructed [INFO] [stdout] --> exercises/05_ticket_v2/07_unwrap/src/lib.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 26 | enum Status { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] 27 | ToDo, [INFO] [stdout] 28 | InProgress { assigned_to: String }, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 29 | 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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking if_let v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/04_if_let) [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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking leaking v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/03_leak) [INFO] [stdout] warning: fields `title`, `description`, and `status` are never read [INFO] [stdout] --> exercises/03_ticket_v1/09_heap/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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking intro_02 v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/00_intro) [INFO] [stderr] Checking match_ v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/02_match) [INFO] [stdout] warning: enum `Shape` is never used [INFO] [stdout] --> exercises/05_ticket_v2/04_if_let/src/lib.rs:1:6 [INFO] [stdout] | [INFO] [stdout] 1 | enum Shape { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `radius` is never used [INFO] [stdout] --> exercises/05_ticket_v2/04_if_let/src/lib.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl Shape { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 10 | pub fn radius(&self) -> f64 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking visibility v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/04_visibility) [INFO] [stderr] Checking intro_03 v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/00_intro) [INFO] [stdout] warning: associated items `new`, `title`, `description`, and `status` are never used [INFO] [stdout] --> exercises/05_ticket_v2/01_enum/src/lib.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 17 | impl Ticket { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 18 | pub fn new(title: String, description: String, status: Status) -> Ticket { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | pub fn title(&self) -> &String { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | pub fn description(&self) -> &String { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | pub fn status(&self) -> &Status { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking syntax v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/01_syntax) [INFO] [stderr] Checking encapsulation v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/05_encapsulation) [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)]` 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 intro_08 v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/00_intro) [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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ticket` [INFO] [stdout] --> exercises/03_ticket_v1/04_visibility/src/lib.rs:47:13 [INFO] [stdout] | [INFO] [stdout] 47 | let ticket = Ticket::new("A title".into(), "A description".into(), "To-Do".into()); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ticket` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` 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)]` 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] [stdout] warning: function `should_not_be_possible` is never used [INFO] [stdout] --> exercises/03_ticket_v1/04_visibility/src/lib.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 46 | fn should_not_be_possible() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `encapsulation_cannot_be_violated` is never used [INFO] [stdout] --> exercises/03_ticket_v1/04_visibility/src/lib.rs:61:8 [INFO] [stdout] | [INFO] [stdout] 61 | fn encapsulation_cannot_be_violated() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking interior_mutability v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/06_interior_mutability) [INFO] [stderr] Checking destructor v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/11_destructor) [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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking intro_05 v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/00_intro) [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 modules v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/03_modules) [INFO] [stderr] Checking as_cast v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/10_as_casting) [INFO] [stderr] Checking trait_ v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/01_trait) [INFO] [stdout] error: expected type, found `"not yet implemented"` [INFO] [stdout] --> exercises/07_threads/06_interior_mutability/src/lib.rs:9:14 [INFO] [stdout] | [INFO] [stdout] 9 | counter: todo!(), [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected type [INFO] [stdout] | in this macro invocation [INFO] [stdout] | this macro call doesn't expand to a type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `todo` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected type, found `"not yet implemented"` [INFO] [stdout] --> exercises/07_threads/06_interior_mutability/src/lib.rs:13:35 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn new(value: T, counter: todo!()) -> Self { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected type [INFO] [stdout] | in this macro invocation [INFO] [stdout] | this macro call doesn't expand to a type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `todo` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cell::RefCell` [INFO] [stdout] --> exercises/07_threads/06_interior_mutability/src/lib.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> exercises/07_threads/06_interior_mutability/src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking sized v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/08_sized) [INFO] [stderr] Checking overloading v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/03_operator_overloading) [INFO] [stderr] error: could not compile `interior_mutability` (lib) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: function `intro` is never used [INFO] [stdout] --> exercises/06_ticket_management/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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Ticket` is never constructed [INFO] [stdout] --> exercises/03_ticket_v1/02_validation/src/lib.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Ticket { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> exercises/03_ticket_v1/02_validation/src/lib.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 7 | impl Ticket { [INFO] [stdout] | ----------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 19 | fn new(title: String, description: String, status: String) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Ticket` is never constructed [INFO] [stdout] --> exercises/03_ticket_v1/03_modules/src/lib.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | struct Ticket { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> exercises/03_ticket_v1/03_modules/src/lib.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 16 | impl Ticket { [INFO] [stdout] | ----------- associated function in this implementation [INFO] [stdout] 17 | fn new(title: String, description: String, status: String) -> Ticket { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `create_todo_ticket` is never used [INFO] [stdout] --> exercises/03_ticket_v1/03_modules/src/lib.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | fn create_todo_ticket(title: String, description: String) -> Ticket { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::size_of` that must be used [INFO] [stdout] --> exercises/04_traits/08_sized/src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | std::mem::size_of::<&str>(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 6 | let _ = std::mem::size_of::<&str>(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "17260f79372f4ebb7ea1c9d4125c18434327bc6dca7a91ec63d9ea8495258627", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "17260f79372f4ebb7ea1c9d4125c18434327bc6dca7a91ec63d9ea8495258627", kill_on_drop: false }` [INFO] [stdout] 17260f79372f4ebb7ea1c9d4125c18434327bc6dca7a91ec63d9ea8495258627