[INFO] cloning repository https://github.com/Mathieu52/Secret-Santa
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mathieu52/Secret-Santa" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathieu52%2FSecret-Santa", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathieu52%2FSecret-Santa'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 93e7fd7c5a14ebeb6e0d87fd87cf113a250e4601
[INFO] checking Mathieu52/Secret-Santa against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathieu52%2FSecret-Santa" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Mathieu52/Secret-Santa
[INFO] finished tweaking git repo https://github.com/Mathieu52/Secret-Santa
[INFO] tweaked toml for git repo https://github.com/Mathieu52/Secret-Santa written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Mathieu52/Secret-Santa on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Mathieu52/Secret-Santa 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55b876bd4f175db444e71b1e3388d5c60486100cf0cfb4396a9d1646cc27fc91
[INFO] running `Command { std: "docker" "start" "-a" "55b876bd4f175db444e71b1e3388d5c60486100cf0cfb4396a9d1646cc27fc91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55b876bd4f175db444e71b1e3388d5c60486100cf0cfb4396a9d1646cc27fc91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55b876bd4f175db444e71b1e3388d5c60486100cf0cfb4396a9d1646cc27fc91", kill_on_drop: false }`
[INFO] [stdout] 55b876bd4f175db444e71b1e3388d5c60486100cf0cfb4396a9d1646cc27fc91
[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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e6a6aae553fd3db06109d0f9d68184873e4fd33da1bc23823d02066e834efd6
[INFO] running `Command { std: "docker" "start" "-a" "8e6a6aae553fd3db06109d0f9d68184873e4fd33da1bc23823d02066e834efd6", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/test.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use itertools::Itertools;
[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: `eframe::egui`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use eframe::egui;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::test::run_test`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::test::run_test;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/test.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | mod test;
[INFO] [stdout]   | ^^^^^^^^^
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `eframe::egui`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use eframe::egui;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::test::run_test`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::test::run_test;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/secret_santa.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `selected`
[INFO] [stdout]   --> src/ui.rs:34:20
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn show(&self, selected: bool, hovered: bool, ctx: &egui::Context, ui: &mut egui::Ui, _data: Self::Data<'_>) {
[INFO] [stdout]    |                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_selected`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hovered`
[INFO] [stdout]   --> src/ui.rs:34:36
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn show(&self, selected: bool, hovered: bool, ctx: &egui::Context, ui: &mut egui::Ui, _data: Self::Data<'_>) {
[INFO] [stdout]    |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hovered`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/ui.rs:34:51
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn show(&self, selected: bool, hovered: bool, ctx: &egui::Context, ui: &mut egui::Ui, _data: Self::Data<'_>) {
[INFO] [stdout]    |                                                   ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `text`
[INFO] [stdout]   --> src/ui.rs:46:30
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn show_on_search(&self, text: &str, _data: Self::Data<'_>) -> bool {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `header`
[INFO] [stdout]   --> src/ui.rs:85:32
[INFO] [stdout]    |
[INFO] [stdout] 85 |                 let (selected, header, list_rect) = ListView::new(&participants_copy, ())
[INFO] [stdout]    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_header`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `searched_participant`
[INFO] [stdout]   --> src/ui.rs:76:20
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let Self { searched_participant, participants, exclusions } = self;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^ help: try ignoring the field: `searched_participant: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exclusions`
[INFO] [stdout]   --> src/ui.rs:76:56
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let Self { searched_participant, participants, exclusions } = self;
[INFO] [stdout]    |                                                        ^^^^^^^^^^ help: try ignoring the field: `exclusions: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/listview/listview.rs:199:41
[INFO] [stdout]     |
[INFO] [stdout] 199 | ...                   let mut hover = old_hovered.contains(&id);
[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/listview/listview.rs:217:41
[INFO] [stdout]     |
[INFO] [stdout] 217 | ...                   let mut interact_area = child_frame
[INFO] [stdout]     |                           ----^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/listview/listview.rs:103:21
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 let mut old_range_select: RangeSelect = ui.data_mut(|d| d.get_temp(range_select_id)).unwrap_or_default();
[INFO] [stdout]     |                     ----^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frame`
[INFO] [stdout]   --> src/listview/item_trait.rs:11:28
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn style_normal(&self, frame: &mut Frame) {}
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_frame`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cc`
[INFO] [stdout]   --> src/main.rs:19:19
[INFO] [stdout]    |
[INFO] [stdout] 19 |         Box::new(|cc| Ok(Box::new(SecretSanta::default())))
[INFO] [stdout]    |                   ^^ help: if this is intentional, prefix it with an underscore: `_cc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `exclusions_to_adjacency` is never used
[INFO] [stdout]  --> src/secret_santa.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn exclusions_to_adjacency<'a>(
[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 `generate_secret_santa` is never used
[INFO] [stdout]   --> src/secret_santa.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub(crate) fn generate_secret_santa<'a, C, T>(
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_large_exclusions` is never used
[INFO] [stdout]   --> src/test.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn generate_large_exclusions<'a, T, C>(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_test` is never used
[INFO] [stdout]   --> src/test.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub fn run_test() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `inner_margin`, `outer_margin`, and `rounding` are never used
[INFO] [stdout]   --> src/listview/listview.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl<'a, W: ItemTrait + Eq + PartialEq + Hash + 'a, L: IntoIterator<Item = &'a W>> ListView<'a, W, L> {
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn inner_margin(mut self, margin: Margin) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn outer_margin(mut self, margin: Margin) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn rounding(mut self, rounding: Rounding) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_opened` is never used
[INFO] [stdout]    --> src/listview/listview.rs:360:12
[INFO] [stdout]     |
[INFO] [stdout] 351 | impl RangeSelect {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 360 |     pub fn is_opened(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `hovered_text` is never used
[INFO] [stdout]   --> src/listview/item_trait.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub trait ItemTrait {
[INFO] [stdout]    |           --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn hovered_text(&self) -> Option<Cow<'_, str>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<RNG, Infallible>
[INFO] [stdout]    --> src/ui.rs:105:35
[INFO] [stdout]     |
[INFO] [stdout] 105 |                         let rng = RNG::try_from(&Language::Elven).unwrap();
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `SecretSanta` (bin "SecretSanta" test) due to 1 previous error; 23 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/secret_santa.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `selected`
[INFO] [stdout]   --> src/ui.rs:34:20
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn show(&self, selected: bool, hovered: bool, ctx: &egui::Context, ui: &mut egui::Ui, _data: Self::Data<'_>) {
[INFO] [stdout]    |                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_selected`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hovered`
[INFO] [stdout]   --> src/ui.rs:34:36
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn show(&self, selected: bool, hovered: bool, ctx: &egui::Context, ui: &mut egui::Ui, _data: Self::Data<'_>) {
[INFO] [stdout]    |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hovered`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/ui.rs:34:51
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn show(&self, selected: bool, hovered: bool, ctx: &egui::Context, ui: &mut egui::Ui, _data: Self::Data<'_>) {
[INFO] [stdout]    |                                                   ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `text`
[INFO] [stdout]   --> src/ui.rs:46:30
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn show_on_search(&self, text: &str, _data: Self::Data<'_>) -> bool {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `header`
[INFO] [stdout]   --> src/ui.rs:85:32
[INFO] [stdout]    |
[INFO] [stdout] 85 |                 let (selected, header, list_rect) = ListView::new(&participants_copy, ())
[INFO] [stdout]    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_header`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `searched_participant`
[INFO] [stdout]   --> src/ui.rs:76:20
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let Self { searched_participant, participants, exclusions } = self;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^ help: try ignoring the field: `searched_participant: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exclusions`
[INFO] [stdout]   --> src/ui.rs:76:56
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let Self { searched_participant, participants, exclusions } = self;
[INFO] [stdout]    |                                                        ^^^^^^^^^^ help: try ignoring the field: `exclusions: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/listview/listview.rs:199:41
[INFO] [stdout]     |
[INFO] [stdout] 199 | ...                   let mut hover = old_hovered.contains(&id);
[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/listview/listview.rs:217:41
[INFO] [stdout]     |
[INFO] [stdout] 217 | ...                   let mut interact_area = child_frame
[INFO] [stdout]     |                           ----^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/listview/listview.rs:103:21
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 let mut old_range_select: RangeSelect = ui.data_mut(|d| d.get_temp(range_select_id)).unwrap_or_default();
[INFO] [stdout]     |                     ----^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frame`
[INFO] [stdout]   --> src/listview/item_trait.rs:11:28
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn style_normal(&self, frame: &mut Frame) {}
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_frame`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cc`
[INFO] [stdout]   --> src/main.rs:19:19
[INFO] [stdout]    |
[INFO] [stdout] 19 |         Box::new(|cc| Ok(Box::new(SecretSanta::default())))
[INFO] [stdout]    |                   ^^ help: if this is intentional, prefix it with an underscore: `_cc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `exclusions_to_adjacency` is never used
[INFO] [stdout]  --> src/secret_santa.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn exclusions_to_adjacency<'a>(
[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 `generate_secret_santa` is never used
[INFO] [stdout]   --> src/secret_santa.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub(crate) fn generate_secret_santa<'a, C, T>(
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_large_exclusions` is never used
[INFO] [stdout]   --> src/test.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn generate_large_exclusions<'a, T, C>(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_test` is never used
[INFO] [stdout]   --> src/test.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub fn run_test() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `inner_margin`, `outer_margin`, and `rounding` are never used
[INFO] [stdout]   --> src/listview/listview.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl<'a, W: ItemTrait + Eq + PartialEq + Hash + 'a, L: IntoIterator<Item = &'a W>> ListView<'a, W, L> {
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn inner_margin(mut self, margin: Margin) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn outer_margin(mut self, margin: Margin) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn rounding(mut self, rounding: Rounding) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_opened` is never used
[INFO] [stdout]    --> src/listview/listview.rs:360:12
[INFO] [stdout]     |
[INFO] [stdout] 351 | impl RangeSelect {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 360 |     pub fn is_opened(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `hovered_text` is never used
[INFO] [stdout]   --> src/listview/item_trait.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub trait ItemTrait {
[INFO] [stdout]    |           --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn hovered_text(&self) -> Option<Cow<'_, str>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<RNG, Infallible>
[INFO] [stdout]    --> src/ui.rs:105:35
[INFO] [stdout]     |
[INFO] [stdout] 105 |                         let rng = RNG::try_from(&Language::Elven).unwrap();
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `SecretSanta` (bin "SecretSanta") due to 1 previous error; 23 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "8e6a6aae553fd3db06109d0f9d68184873e4fd33da1bc23823d02066e834efd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e6a6aae553fd3db06109d0f9d68184873e4fd33da1bc23823d02066e834efd6", kill_on_drop: false }`
[INFO] [stdout] 8e6a6aae553fd3db06109d0f9d68184873e4fd33da1bc23823d02066e834efd6
