[INFO] cloning repository https://github.com/iafisher/popquiz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iafisher/popquiz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiafisher%2Fpopquiz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiafisher%2Fpopquiz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d45b6a26b954c28b7e1acc7e6e677eff00dc868
[INFO] checking iafisher/popquiz against try#48c9d93cf65d550d124c40108859fd993778c157 for pr-153692-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiafisher%2Fpopquiz" "/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/iafisher/popquiz
[INFO] finished tweaking git repo https://github.com/iafisher/popquiz
[INFO] tweaked toml for git repo https://github.com/iafisher/popquiz written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/iafisher/popquiz on toolchain 48c9d93cf65d550d124c40108859fd993778c157
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+48c9d93cf65d550d124c40108859fd993778c157" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/iafisher/popquiz 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" "+48c9d93cf65d550d124c40108859fd993778c157" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "c597e4164526c45b255547456c96b7d904af54d376de368d4c850509446b2d70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c597e4164526c45b255547456c96b7d904af54d376de368d4c850509446b2d70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c597e4164526c45b255547456c96b7d904af54d376de368d4c850509446b2d70", kill_on_drop: false }`
[INFO] [stdout] c597e4164526c45b255547456c96b7d904af54d376de368d4c850509446b2d70
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+48c9d93cf65d550d124c40108859fd993778c157" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0f76d9bb14030dea7d792b4e6fd13fb05d2de43f2dfc81190c828eefd4d6010
[INFO] running `Command { std: "docker" "start" "-a" "b0f76d9bb14030dea7d792b4e6fd13fb05d2de43f2dfc81190c828eefd4d6010", kill_on_drop: false }`
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[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]    --> src/quiz.rs:458:10
[INFO] [stdout]     |
[INFO] [stdout] 458 | #[derive(Serialize, Deserialize, Debug, Clone)]
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]     = help: try referring to `Serialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]     = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]    --> src/quiz.rs:458:21
[INFO] [stdout]     |
[INFO] [stdout] 458 | #[derive(Serialize, Deserialize, Debug, Clone)]
[INFO] [stdout]     |                     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]     = help: try referring to `Deserialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]   --> src/repetition2.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::cmp;
[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: `super::common`
[INFO] [stdout]   --> src/repetition2.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use super::common;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `QuestionResult2`
[INFO] [stdout]   --> src/repetition2.rs:24:31
[INFO] [stdout]    |
[INFO] [stdout] 24 | use super::quiz2::{Question2, QuestionResult2};
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]    --> src/quiz.rs:458:10
[INFO] [stdout]     |
[INFO] [stdout] 458 | #[derive(Serialize, Deserialize, Debug, Clone)]
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]     = help: try referring to `Serialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]     = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]    --> src/quiz.rs:458:21
[INFO] [stdout]     |
[INFO] [stdout] 458 | #[derive(Serialize, Deserialize, Debug, Clone)]
[INFO] [stdout]     |                     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]     = help: try referring to `Deserialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]   --> src/repetition2.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::cmp;
[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: `super::common`
[INFO] [stdout]   --> src/repetition2.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use super::common;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `QuestionResult2`
[INFO] [stdout]   --> src/repetition2.rs:24:31
[INFO] [stdout]    |
[INFO] [stdout] 24 | use super::quiz2::{Question2, QuestionResult2};
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/e2e_tests.rs:454:9
[INFO] [stdout]     |
[INFO] [stdout] 454 |         format!("Exit code: {:?}", result.status.code())
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 454 -         format!("Exit code: {:?}", result.status.code())
[INFO] [stdout] 454 +         "Exit code: {:?}", result.status.code()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/e2e_tests.rs:605:13
[INFO] [stdout]     |
[INFO] [stdout] 605 | /             format!(
[INFO] [stdout] 606 | |                 "\n\nFailed to match {:?} against pattern {:?}\n\n",
[INFO] [stdout] 607 | |                 got.trim(),
[INFO] [stdout] 608 | |                 expected,
[INFO] [stdout] 609 | |             )
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 605 ~             
[INFO] [stdout] 606 |                 "\n\nFailed to match {:?} against pattern {:?}\n\n",
[INFO] [stdout] 607 |                 got.trim(),
[INFO] [stdout] 608 |                 expected,
[INFO] [stdout] 609 ~             
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/e2e_tests.rs:614:13
[INFO] [stdout]     |
[INFO] [stdout] 614 | /             format!(
[INFO] [stdout] 615 | |                 "\n\nExpected:\n  {:?}\n\ngot:\n  {:?}\n\n",
[INFO] [stdout] 616 | |                 expected.trim(),
[INFO] [stdout] 617 | |                 got.trim()
[INFO] [stdout] 618 | |             ),
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 614 ~             
[INFO] [stdout] 615 |                 "\n\nExpected:\n  {:?}\n\ngot:\n  {:?}\n\n",
[INFO] [stdout] 616 |                 expected.trim(),
[INFO] [stdout] 617 |                 got.trim()
[INFO] [stdout] 618 ~             ,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/persistence2.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let mut question = questions_map.get_mut(&id).unwrap();
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/persistence2.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let mut question = questions_map.get_mut(&id).unwrap();
[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: `fullname`
[INFO] [stdout]  --> src/persistence2.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn load_quiz(fullname: &Path) -> Result<Quiz2> {
[INFO] [stdout]   |                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fullname`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fullname`
[INFO] [stdout]  --> src/persistence2.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn load_quiz(fullname: &Path) -> Result<Quiz2> {
[INFO] [stdout]   |                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fullname`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `options`
[INFO] [stdout]   --> src/main.rs:59:20
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn main_results_v2(options: &common::ResultsOptions) -> Result<()> {
[INFO] [stdout]    |                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `results`
[INFO] [stdout]   --> src/main.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let results = quiz.take(&mut ui, &options)?;
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_results`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main_v2` is never used
[INFO] [stdout]   --> src/main.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn main_v2() {
[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 `main_results_v2` is never used
[INFO] [stdout]   --> src/main.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn main_results_v2(options: &common::ResultsOptions) -> Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main_take_v2` is never used
[INFO] [stdout]   --> src/main.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn main_take_v2(options: &common::TakeOptions) -> Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_quiz` is never used
[INFO] [stdout]  --> src/persistence2.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn load_quiz(fullname: &Path) -> Result<Quiz2> {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `no_credit` is never read
[INFO] [stdout]    --> src/quiz.rs:318:9
[INFO] [stdout]     |
[INFO] [stdout] 315 | pub struct OrderedListQuestion {
[INFO] [stdout]     |            ------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 318 |     pub no_credit: Vec<String>,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `OrderedListQuestion` 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: field `time_finished` is never read
[INFO] [stdout]    --> src/quiz.rs:485:9
[INFO] [stdout]     |
[INFO] [stdout] 484 | pub struct QuizResult {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] 485 |     pub time_finished: chrono::DateTime<chrono::Utc>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `QuizResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Quiz2` is never constructed
[INFO] [stdout]  --> src/quiz2.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Quiz2 {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Question2` is never constructed
[INFO] [stdout]   --> src/quiz2.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Question2 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `QuestionType` is never used
[INFO] [stdout]   --> src/quiz2.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub enum QuestionType {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Answer2` is never constructed
[INFO] [stdout]   --> src/quiz2.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Answer2 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `QuestionResult2` is never constructed
[INFO] [stdout]   --> src/quiz2.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct QuestionResult2 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `QuizResult2` is never constructed
[INFO] [stdout]   --> src/quiz2.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub struct QuizResult2 {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `take` is never used
[INFO] [stdout]   --> src/quiz2.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 69 | impl Quiz2 {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 70 |     pub fn take(&mut self, ui: &mut CmdUI, options: &TakeOptions) -> Result<QuizResult2> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `ask` is never used
[INFO] [stdout]    --> src/quiz2.rs:143:8
[INFO] [stdout]     |
[INFO] [stdout] 142 | impl Question2 {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] 143 |     fn ask(&self, ui: &mut CmdUI) -> Result<QuestionResult2> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mkresult` is never used
[INFO] [stdout]    --> src/quiz2.rs:162:4
[INFO] [stdout]     |
[INFO] [stdout] 162 | fn mkresult(id: i64, text: &str, response: Option<String>, score: u64) -> QuestionResult2 {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mkresultlist` is never used
[INFO] [stdout]    --> src/quiz2.rs:174:4
[INFO] [stdout]     |
[INFO] [stdout] 174 | fn mkresultlist(id: i64, text: &str, responses: Vec<String>, score: u64) -> QuestionResult2 {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_one` is never used
[INFO] [stdout]    --> src/quiz2.rs:187:8
[INFO] [stdout]     |
[INFO] [stdout] 187 | pub fn check_one(answer_list: &Vec<Answer2>, guess: &str) -> Option<usize> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]    --> src/quiz2.rs:197:8
[INFO] [stdout]     |
[INFO] [stdout] 197 | pub fn check(ans: &Answer2, guess: &str) -> bool {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `normalize` is never used
[INFO] [stdout]    --> src/quiz2.rs:206:4
[INFO] [stdout]     |
[INFO] [stdout] 206 | fn normalize(guess: &str) -> String {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BUCKET_ALLOCATION` is never used
[INFO] [stdout]   --> src/repetition2.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 28 | const BUCKET_ALLOCATION: [usize; 5] = [1, 2, 5, 5, 10];
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `UP_THRESHOLD` is never used
[INFO] [stdout]   --> src/repetition2.rs:30:7
[INFO] [stdout]    |
[INFO] [stdout] 30 | const UP_THRESHOLD: u64 = 900;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DOWN_THRESHOLD` is never used
[INFO] [stdout]   --> src/repetition2.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 | const DOWN_THRESHOLD: u64 = 400;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `choose_questions` is never used
[INFO] [stdout]   --> src/repetition2.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn choose_questions<'a>(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CmdUI` is never constructed
[INFO] [stdout]   --> src/ui2.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct CmdUI {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/ui2.rs:23:12
[INFO] [stdout]     |
[INFO] [stdout]  22 | impl CmdUI {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout]  23 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  30 |     pub fn next(&mut self) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  35 |     pub fn text(&mut self, text: &str) -> Result<()> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  42 |     pub fn prompt(&mut self) -> Result<Option<String>> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  54 |     pub fn incorrect(&mut self, correction: Option<&str>) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  67 |     pub fn correct(&mut self) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  71 |     pub fn status(&mut self, text: &str) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  75 |     pub fn score(&mut self, score: u64) -> Result<()> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  80 |     pub fn missed(&mut self, missed: &Vec<&str>) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  88 |     pub fn choices(&mut self, choices: &Vec<&str>) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  96 |     pub fn instructions(&mut self, text: &str) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub fn results(&mut self, results: &QuizResult2) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 130 |     pub fn launch_editor(&mut self, location: &Location) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> src/quiz.rs:458:10
[INFO] [stdout]     |
[INFO] [stdout] 458 | #[derive(Serialize, Deserialize, Debug, Clone)]
[INFO] [stdout]     |          ^--------
[INFO] [stdout]     |          |
[INFO] [stdout]     |          `Serialize` is not local
[INFO] [stdout]     |          move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_QuestionResult`
[INFO] [stdout] 459 | #[serde(deny_unknown_fields)]
[INFO] [stdout] 460 | pub struct QuestionResult {
[INFO] [stdout]     |            -------------- `QuestionResult` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]     = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]     = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]     = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]     = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> src/quiz.rs:458:21
[INFO] [stdout]     |
[INFO] [stdout] 458 | #[derive(Serialize, Deserialize, Debug, Clone)]
[INFO] [stdout]     |                     ^----------
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     `Deserialize` is not local
[INFO] [stdout]     |                     move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_QuestionResult`
[INFO] [stdout] 459 | #[serde(deny_unknown_fields)]
[INFO] [stdout] 460 | pub struct QuestionResult {
[INFO] [stdout]     |            -------------- `QuestionResult` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]     = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]     = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]     = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `options`
[INFO] [stdout]   --> src/main.rs:59:20
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn main_results_v2(options: &common::ResultsOptions) -> Result<()> {
[INFO] [stdout]    |                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `results`
[INFO] [stdout]   --> src/main.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let results = quiz.take(&mut ui, &options)?;
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_results`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main_v2` is never used
[INFO] [stdout]   --> src/main.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn main_v2() {
[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 `main_results_v2` is never used
[INFO] [stdout]   --> src/main.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn main_results_v2(options: &common::ResultsOptions) -> Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main_take_v2` is never used
[INFO] [stdout]   --> src/main.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn main_take_v2(options: &common::TakeOptions) -> Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_quiz` is never used
[INFO] [stdout]  --> src/persistence2.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn load_quiz(fullname: &Path) -> Result<Quiz2> {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `no_credit` is never read
[INFO] [stdout]    --> src/quiz.rs:318:9
[INFO] [stdout]     |
[INFO] [stdout] 315 | pub struct OrderedListQuestion {
[INFO] [stdout]     |            ------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 318 |     pub no_credit: Vec<String>,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `OrderedListQuestion` 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: field `time_finished` is never read
[INFO] [stdout]    --> src/quiz.rs:485:9
[INFO] [stdout]     |
[INFO] [stdout] 484 | pub struct QuizResult {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] 485 |     pub time_finished: chrono::DateTime<chrono::Utc>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `QuizResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Quiz2` is never constructed
[INFO] [stdout]  --> src/quiz2.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Quiz2 {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Question2` is never constructed
[INFO] [stdout]   --> src/quiz2.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Question2 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `QuestionType` is never used
[INFO] [stdout]   --> src/quiz2.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub enum QuestionType {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Answer2` is never constructed
[INFO] [stdout]   --> src/quiz2.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Answer2 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `QuestionResult2` is never constructed
[INFO] [stdout]   --> src/quiz2.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct QuestionResult2 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `QuizResult2` is never constructed
[INFO] [stdout]   --> src/quiz2.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub struct QuizResult2 {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `take` is never used
[INFO] [stdout]   --> src/quiz2.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 69 | impl Quiz2 {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 70 |     pub fn take(&mut self, ui: &mut CmdUI, options: &TakeOptions) -> Result<QuizResult2> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `ask` is never used
[INFO] [stdout]    --> src/quiz2.rs:143:8
[INFO] [stdout]     |
[INFO] [stdout] 142 | impl Question2 {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] 143 |     fn ask(&self, ui: &mut CmdUI) -> Result<QuestionResult2> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mkresult` is never used
[INFO] [stdout]    --> src/quiz2.rs:162:4
[INFO] [stdout]     |
[INFO] [stdout] 162 | fn mkresult(id: i64, text: &str, response: Option<String>, score: u64) -> QuestionResult2 {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mkresultlist` is never used
[INFO] [stdout]    --> src/quiz2.rs:174:4
[INFO] [stdout]     |
[INFO] [stdout] 174 | fn mkresultlist(id: i64, text: &str, responses: Vec<String>, score: u64) -> QuestionResult2 {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_one` is never used
[INFO] [stdout]    --> src/quiz2.rs:187:8
[INFO] [stdout]     |
[INFO] [stdout] 187 | pub fn check_one(answer_list: &Vec<Answer2>, guess: &str) -> Option<usize> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]    --> src/quiz2.rs:197:8
[INFO] [stdout]     |
[INFO] [stdout] 197 | pub fn check(ans: &Answer2, guess: &str) -> bool {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `normalize` is never used
[INFO] [stdout]    --> src/quiz2.rs:206:4
[INFO] [stdout]     |
[INFO] [stdout] 206 | fn normalize(guess: &str) -> String {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BUCKET_ALLOCATION` is never used
[INFO] [stdout]   --> src/repetition2.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 28 | const BUCKET_ALLOCATION: [usize; 5] = [1, 2, 5, 5, 10];
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `UP_THRESHOLD` is never used
[INFO] [stdout]   --> src/repetition2.rs:30:7
[INFO] [stdout]    |
[INFO] [stdout] 30 | const UP_THRESHOLD: u64 = 900;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DOWN_THRESHOLD` is never used
[INFO] [stdout]   --> src/repetition2.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 | const DOWN_THRESHOLD: u64 = 400;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `choose_questions` is never used
[INFO] [stdout]   --> src/repetition2.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn choose_questions<'a>(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CmdUI` is never constructed
[INFO] [stdout]   --> src/ui2.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct CmdUI {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/ui2.rs:23:12
[INFO] [stdout]     |
[INFO] [stdout]  22 | impl CmdUI {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout]  23 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  30 |     pub fn next(&mut self) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  35 |     pub fn text(&mut self, text: &str) -> Result<()> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  42 |     pub fn prompt(&mut self) -> Result<Option<String>> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  54 |     pub fn incorrect(&mut self, correction: Option<&str>) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  67 |     pub fn correct(&mut self) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  71 |     pub fn status(&mut self, text: &str) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  75 |     pub fn score(&mut self, score: u64) -> Result<()> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  80 |     pub fn missed(&mut self, missed: &Vec<&str>) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  88 |     pub fn choices(&mut self, choices: &Vec<&str>) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  96 |     pub fn instructions(&mut self, text: &str) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub fn results(&mut self, results: &QuizResult2) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 130 |     pub fn launch_editor(&mut self, location: &Location) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> src/quiz.rs:458:10
[INFO] [stdout]     |
[INFO] [stdout] 458 | #[derive(Serialize, Deserialize, Debug, Clone)]
[INFO] [stdout]     |          ^--------
[INFO] [stdout]     |          |
[INFO] [stdout]     |          `Serialize` is not local
[INFO] [stdout]     |          move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_QuestionResult`
[INFO] [stdout] 459 | #[serde(deny_unknown_fields)]
[INFO] [stdout] 460 | pub struct QuestionResult {
[INFO] [stdout]     |            -------------- `QuestionResult` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]     = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]     = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]     = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]     = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> src/quiz.rs:458:21
[INFO] [stdout]     |
[INFO] [stdout] 458 | #[derive(Serialize, Deserialize, Debug, Clone)]
[INFO] [stdout]     |                     ^----------
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     `Deserialize` is not local
[INFO] [stdout]     |                     move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_QuestionResult`
[INFO] [stdout] 459 | #[serde(deny_unknown_fields)]
[INFO] [stdout] 460 | pub struct QuestionResult {
[INFO] [stdout]     |            -------------- `QuestionResult` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]     = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]     = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]     = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.58s
[INFO] running `Command { std: "docker" "inspect" "b0f76d9bb14030dea7d792b4e6fd13fb05d2de43f2dfc81190c828eefd4d6010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0f76d9bb14030dea7d792b4e6fd13fb05d2de43f2dfc81190c828eefd4d6010", kill_on_drop: false }`
[INFO] [stdout] b0f76d9bb14030dea7d792b4e6fd13fb05d2de43f2dfc81190c828eefd4d6010
