[INFO] cloning repository https://github.com/SpiderUnderUrBed/flashcard-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SpiderUnderUrBed/flashcard-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpiderUnderUrBed%2Fflashcard-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpiderUnderUrBed%2Fflashcard-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8b81e8fbd93683bee42b71b281390da0f248fbcb [INFO] checking SpiderUnderUrBed/flashcard-rs against try#b4c55082edd8dec08ce8af276d7054d9c4db20c4 for pr-147984 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpiderUnderUrBed%2Fflashcard-rs" "/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/SpiderUnderUrBed/flashcard-rs [INFO] finished tweaking git repo https://github.com/SpiderUnderUrBed/flashcard-rs [INFO] tweaked toml for git repo https://github.com/SpiderUnderUrBed/flashcard-rs written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/SpiderUnderUrBed/flashcard-rs on toolchain b4c55082edd8dec08ce8af276d7054d9c4db20c4 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/SpiderUnderUrBed/flashcard-rs 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" 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kill_on_drop: false }` [INFO] [stdout] 52f840a939a9998f0139d5858aa8435d6d430527a6bb4c0d2e69c3d8f291de8b [INFO] running `Command { std: "docker" "start" "-a" "52f840a939a9998f0139d5858aa8435d6d430527a6bb4c0d2e69c3d8f291de8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "52f840a939a9998f0139d5858aa8435d6d430527a6bb4c0d2e69c3d8f291de8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "52f840a939a9998f0139d5858aa8435d6d430527a6bb4c0d2e69c3d8f291de8b", kill_on_drop: false }` [INFO] [stdout] 52f840a939a9998f0139d5858aa8435d6d430527a6bb4c0d2e69c3d8f291de8b [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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a12c1095ec07548b2d867621240e27ab440450042a2c9887904fa8d1905f0119 [INFO] running `Command { std: "docker" "start" "-a" "a12c1095ec07548b2d867621240e27ab440450042a2c9887904fa8d1905f0119", kill_on_drop: false }` [INFO] [stderr] Compiling 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iced_widget v0.13.4 [INFO] [stderr] Checking iced v0.13.1 [INFO] [stderr] Checking iced_aw v0.11.0 [INFO] [stderr] Checking flashcard-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `FlashcardKey` [INFO] [stdout] --> src/main.rs:17:23 [INFO] [stdout] | [INFO] [stdout] 17 | use quiz::{Flashcard, FlashcardKey, Quiz, Topic, TopicKey, TopicTag, Study}; [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 import: `slotmap::new_key_type` [INFO] [stdout] --> src/main.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | use slotmap::new_key_type; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `advanced::graphics::futures::backend::default` [INFO] [stdout] --> src/quiz.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | use iced::{advanced::graphics::futures::backend::default, Background}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `FlashcardKey` [INFO] [stdout] --> src/main.rs:17:23 [INFO] [stdout] | [INFO] [stdout] 17 | use quiz::{Flashcard, FlashcardKey, Quiz, Topic, TopicKey, TopicTag, Study}; [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 import: `slotmap::new_key_type` [INFO] [stdout] --> src/main.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | use slotmap::new_key_type; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `advanced::graphics::futures::backend::default` [INFO] [stdout] --> src/quiz.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | use iced::{advanced::graphics::futures::backend::default, Background}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `new_qna` [INFO] [stdout] --> src/quiz.rs:165:21 [INFO] [stdout] | [INFO] [stdout] 165 | let new_qna = Question { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_qna` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `new_qna` [INFO] [stdout] --> src/quiz.rs:165:21 [INFO] [stdout] | [INFO] [stdout] 165 | let new_qna = Question { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_qna` [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/quiz.rs:270:13 [INFO] [stdout] | [INFO] [stdout] 270 | let mut quiz_topic = Topic { [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `flashcard_key` [INFO] [stdout] --> src/quiz.rs:294:13 [INFO] [stdout] | [INFO] [stdout] 294 | let flashcard_key = study.cards.insert(flashcard); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_flashcard_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/main.rs:167:13 [INFO] [stdout] | [INFO] [stdout] 167 | _ => {} [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/main.rs:167:13 [INFO] [stdout] | [INFO] [stdout] 99 | Message::StartQuiz => { [INFO] [stdout] | ------------------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 104 | Message::SelectTopic(topic_key) => { [INFO] [stdout] | ------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 108 | Message::SelectQuiz(topic_key) => { [INFO] [stdout] | ------------------------------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 112 | Message::SubmitCard(card) => { [INFO] [stdout] | ------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 167 | _ => {} [INFO] [stdout] | ^ ...and 18 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: unreachable pattern [INFO] [stdout] --> src/main.rs:167:13 [INFO] [stdout] | [INFO] [stdout] 167 | _ => {} [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/main.rs:167:13 [INFO] [stdout] | [INFO] [stdout] 99 | Message::StartQuiz => { [INFO] [stdout] | ------------------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 104 | Message::SelectTopic(topic_key) => { [INFO] [stdout] | ------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 108 | Message::SelectQuiz(topic_key) => { [INFO] [stdout] | ------------------------------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 112 | Message::SubmitCard(card) => { [INFO] [stdout] | ------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 167 | _ => {} [INFO] [stdout] | ^ ...and 18 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: field `current_topics` is never read [INFO] [stdout] --> src/quiz.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 46 | pub struct Study { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] ... [INFO] [stdout] 49 | pub current_topics: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Study` 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 functions `change_namespace` and `operation_for_namespace` are never used [INFO] [stdout] --> src/quiz.rs:244:12 [INFO] [stdout] | [INFO] [stdout] 72 | impl Quiz { [INFO] [stdout] | --------- associated functions in this implementation [INFO] [stdout] ... [INFO] [stdout] 244 | pub fn change_namespace(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 247 | pub fn operation_for_namespace(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `App` is never constructed [INFO] [stdout] --> src/quiz.rs:257:12 [INFO] [stdout] | [INFO] [stdout] 257 | struct App { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/main.rs:171:13 [INFO] [stdout] | [INFO] [stdout] 171 | fn view(&self) -> Container { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 171 | fn view(&self) -> Container<'_, Message> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `current_topics` is never read [INFO] [stdout] --> src/quiz.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 46 | pub struct Study { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] ... [INFO] [stdout] 49 | pub current_topics: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Study` 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 items `answer_current`, `change_namespace`, and `operation_for_namespace` are never used [INFO] [stdout] --> src/quiz.rs:196:12 [INFO] [stdout] | [INFO] [stdout] 72 | impl Quiz { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 196 | pub fn answer_current(&mut self, user_answer: String) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 244 | pub fn change_namespace(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 247 | pub fn operation_for_namespace(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/main.rs:171:13 [INFO] [stdout] | [INFO] [stdout] 171 | fn view(&self) -> Container { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 171 | fn view(&self) -> Container<'_, Message> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.42s [INFO] running `Command { std: "docker" "inspect" "a12c1095ec07548b2d867621240e27ab440450042a2c9887904fa8d1905f0119", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a12c1095ec07548b2d867621240e27ab440450042a2c9887904fa8d1905f0119", kill_on_drop: false }` [INFO] [stdout] a12c1095ec07548b2d867621240e27ab440450042a2c9887904fa8d1905f0119