[INFO] cloning repository https://github.com/ede1998/sweepers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ede1998/sweepers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fede1998%2Fsweepers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fede1998%2Fsweepers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2aeb602c88cce8e4499bb30a01654bea908c7b71
[INFO] checking ede1998/sweepers against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fede1998%2Fsweepers" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ede1998/sweepers on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ede1998/sweepers
[INFO] finished tweaking git repo https://github.com/ede1998/sweepers
[INFO] tweaked toml for git repo https://github.com/ede1998/sweepers written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ede1998/sweepers 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded custom_debug_derive v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c940d2dc4d59ad370ced47114c2d9e313438769dce818831e4cb0c903d3ebf3
[INFO] running `Command { std: "docker" "start" "-a" "9c940d2dc4d59ad370ced47114c2d9e313438769dce818831e4cb0c903d3ebf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c940d2dc4d59ad370ced47114c2d9e313438769dce818831e4cb0c903d3ebf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c940d2dc4d59ad370ced47114c2d9e313438769dce818831e4cb0c903d3ebf3", kill_on_drop: false }`
[INFO] [stdout] 9c940d2dc4d59ad370ced47114c2d9e313438769dce818831e4cb0c903d3ebf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68c2e5ea0af1c301c00cd75191e53611d4065492c10938bba5cab43ef584b2bf
[INFO] running `Command { std: "docker" "start" "-a" "68c2e5ea0af1c301c00cd75191e53611d4065492c10938bba5cab43ef584b2bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling custom_debug_derive v0.5.0
[INFO] [stderr]     Checking sweepers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::array::IntoIter::<T, N>::new`: use `IntoIterator::into_iter` instead
[INFO] [stdout]    --> src/core/location.rs:150:19
[INFO] [stdout]     |
[INFO] [stdout] 150 |         IntoIter::new([
[INFO] [stdout]     |                   ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::array::IntoIter::<T, N>::new`: use `IntoIterator::into_iter` instead
[INFO] [stdout]    --> src/core/location.rs:150:19
[INFO] [stdout]     |
[INFO] [stdout] 150 |         IntoIter::new([
[INFO] [stdout]     |                   ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::array::IntoIter::<T, N>::new`: use `IntoIterator::into_iter` instead
[INFO] [stdout]    --> src/solver.rs:778:31
[INFO] [stdout]     |
[INFO] [stdout] 778 |         std::array::IntoIter::new(ls).map(Into::into).collect()
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::array::IntoIter::<T, N>::new`: use `IntoIterator::into_iter` instead
[INFO] [stdout]    --> src/solver.rs:786:47
[INFO] [stdout]     |
[INFO] [stdout] 786 |         let proximity = std::array::IntoIter::new(proximity)
[INFO] [stdout]     |                                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `with_area`, `contains`, and `loc_iter` are never used
[INFO] [stdout]   --> src/core/area.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<T> Area<T> {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn with_area(width: usize, height: usize, area: Vec<T>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn contains(&self, l: Location) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn loc_iter(&self) -> impl Iterator<Item = (Location, &T)> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `location` and `action` are never read
[INFO] [stdout]   --> src/core/command.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct ExecutedCommand {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 11 |     pub location: Location,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 12 |     pub action: Action,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExecutedCommand` 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: variants `Mark` and `Unmark` are never constructed
[INFO] [stdout]   --> src/core/command.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub enum Action {
[INFO] [stdout]    |          ------ variants in this enum
[INFO] [stdout] 28 |     Reveal,
[INFO] [stdout] 29 |     Mark,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 30 |     Unmark,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Action` 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: method `is_win` is never used
[INFO] [stdout]   --> src/core/game_state.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl GameState {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn is_win(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `INVALID` and `try_mv` are never used
[INFO] [stdout]    --> src/core/location.rs:114:15
[INFO] [stdout]     |
[INFO] [stdout] 113 | impl Location {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout] 114 |     pub const INVALID: Location = Location {
[INFO] [stdout]     |               ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 195 |     pub fn try_mv(self, d: Direction) -> Self {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `as_mut_revealed` and `as_revealed` are never used
[INFO] [stdout]   --> src/core/mine_field.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl State {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn as_mut_revealed(&mut self) -> Option<&mut usize> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn as_revealed(&self) -> Option<&usize> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `with_generator`, `new_active_game`, `unobserved_count`, and `unreveal` are never used
[INFO] [stdout]    --> src/core/mine_field.rs:137:12
[INFO] [stdout]     |
[INFO] [stdout] 127 | impl Minefield {
[INFO] [stdout]     | -------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 137 |     pub fn with_generator(params: Parameters, generator: Box<dyn MinefieldGenerator>) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 156 |     pub fn new_active_game(grid: &str) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 222 |     pub fn unobserved_count(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 305 |     pub fn unreveal(&mut self, location: Location) -> Option<State> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `draw_single` is never used
[INFO] [stdout]    --> src/frontend/terminal.rs:264:12
[INFO] [stdout]     |
[INFO] [stdout] 198 | impl TermIo {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 264 |     pub fn draw_single(&mut self, location: Location, state: &State) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Rule` is never used
[INFO] [stdout]   --> src/solver.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | trait Rule: std::fmt::Debug {
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MinAllToExact` is never constructed
[INFO] [stdout]   --> src/solver.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct MinAllToExact;
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MaxZeroToExact` is never constructed
[INFO] [stdout]   --> src/solver.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct MaxZeroToExact;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ExactToMin` is never constructed
[INFO] [stdout]   --> src/solver.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | struct ExactToMin;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ExactToMax` is never constructed
[INFO] [stdout]   --> src/solver.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | struct ExactToMax;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MinWithinMaxCombinator` is never constructed
[INFO] [stdout]   --> src/solver.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 | struct MinWithinMaxCombinator;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MaxIntersectsMinCombinator` is never constructed
[INFO] [stdout]    --> src/solver.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 | struct MaxIntersectsMinCombinator;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Seeder` is never constructed
[INFO] [stdout]    --> src/solver.rs:143:8
[INFO] [stdout]     |
[INFO] [stdout] 143 | struct Seeder;
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Constraint` is never used
[INFO] [stdout]    --> src/solver.rs:152:6
[INFO] [stdout]     |
[INFO] [stdout] 152 | enum Constraint {
[INFO] [stdout]     |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `opt_fmt` is never used
[INFO] [stdout]    --> src/solver.rs:170:4
[INFO] [stdout]     |
[INFO] [stdout] 170 | fn opt_fmt<T: std::fmt::Display>(t: &Option<T>, f: &mut std::fmt::Formatter) -> std::fmt::Result {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_fmt` is never used
[INFO] [stdout]    --> src/solver.rs:177:4
[INFO] [stdout]     |
[INFO] [stdout] 177 | fn set_fmt<S, T>(ts: &S, f: &mut std::fmt::Formatter) -> std::fmt::Result
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FactDebug` is never constructed
[INFO] [stdout]    --> src/solver.rs:190:8
[INFO] [stdout]     |
[INFO] [stdout] 190 | struct FactDebug {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `base`, `derived_one`, and `derived_two` are never used
[INFO] [stdout]    --> src/solver.rs:199:8
[INFO] [stdout]     |
[INFO] [stdout] 198 | impl FactDebug {
[INFO] [stdout]     | -------------- associated functions in this implementation
[INFO] [stdout] 199 |     fn base<O: Into<Option<Location>>>(base_location: O, produced_by: &dyn Rule) -> Self {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 208 |     fn derived_one(produced_by: &dyn Rule, _parent_fact: &Fact) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 217 |     fn derived_two(produced_by: &dyn Rule, _parent_fact_1: &Fact, _parent_fact_2: &Fact) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Fact` is never constructed
[INFO] [stdout]    --> src/solver.rs:228:8
[INFO] [stdout]     |
[INFO] [stdout] 228 | struct Fact {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/solver.rs:275:8
[INFO] [stdout]     |
[INFO] [stdout] 274 | impl Fact {
[INFO] [stdout]     | --------- associated items in this implementation
[INFO] [stdout] 275 |     fn new(
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 291 |     fn seeded<L>(count: usize, proximity: BTreeSet<Location>, base_location: L) -> Self
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 304 |     fn derive_kind(
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 320 |     fn cardinality(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 324 |     fn is_min(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 328 |     fn is_max(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 332 |     fn is_exact(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 336 |     fn serialize(&self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solver` is never constructed
[INFO] [stdout]    --> src/solver.rs:370:8
[INFO] [stdout]     |
[INFO] [stdout] 370 | struct Solver<'mf> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/solver.rs:379:8
[INFO] [stdout]     |
[INFO] [stdout] 378 | impl<'mf> Solver<'mf> {
[INFO] [stdout]     | --------------------- associated items in this implementation
[INFO] [stdout] 379 |     fn new(mine_field: &'mf Minefield) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 388 |     fn seed_universal_fact(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 403 |     fn seed(&mut self) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 418 |     fn seed_rules(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 427 |     fn iter(&self) -> impl Iterator<Item = &Fact> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 431 |     fn iter_previous_iteration(&self) -> impl Iterator<Item = &Fact> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 438 |     fn iter_new_with_old(&self) -> impl Iterator<Item = (&Fact, &Fact)> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 443 |     fn add<I: IntoIterator<Item = Fact>>(&mut self, container: I) -> bool {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 449 |     fn guaranteed_safe_locations(&self) -> HashSet<Location> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 457 |     fn guaranteed_mines(&self) -> HashSet<Location> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 465 |     fn solve(mf: &Minefield) -> (HashSet<Location>, HashSet<Location>) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 469 |     fn run(&mut self) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 481 |     fn solve_dump(
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 509 |     fn print_fact_stats(&self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 528 |     fn dump(&self, path: &Path) -> std::io::Result<()> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `location` and `action` are never read
[INFO] [stdout]   --> src/core/command.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct ExecutedCommand {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 11 |     pub location: Location,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 12 |     pub action: Action,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExecutedCommand` 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: variants `Mark` and `Unmark` are never constructed
[INFO] [stdout]   --> src/core/command.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub enum Action {
[INFO] [stdout]    |          ------ variants in this enum
[INFO] [stdout] 28 |     Reveal,
[INFO] [stdout] 29 |     Mark,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 30 |     Unmark,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Action` 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: method `is_win` is never used
[INFO] [stdout]   --> src/core/game_state.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl GameState {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn is_win(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `try_mv` is never used
[INFO] [stdout]    --> src/core/location.rs:195:12
[INFO] [stdout]     |
[INFO] [stdout] 113 | impl Location {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 195 |     pub fn try_mv(self, d: Direction) -> Self {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_mut_revealed` is never used
[INFO] [stdout]   --> src/core/mine_field.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl State {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn as_mut_revealed(&mut self) -> Option<&mut usize> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `with_generator` and `unreveal` are never used
[INFO] [stdout]    --> src/core/mine_field.rs:137:12
[INFO] [stdout]     |
[INFO] [stdout] 127 | impl Minefield {
[INFO] [stdout]     | -------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 137 |     pub fn with_generator(params: Parameters, generator: Box<dyn MinefieldGenerator>) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 305 |     pub fn unreveal(&mut self, location: Location) -> Option<State> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `draw_single` is never used
[INFO] [stdout]    --> src/frontend/terminal.rs:264:12
[INFO] [stdout]     |
[INFO] [stdout] 198 | impl TermIo {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 264 |     pub fn draw_single(&mut self, location: Location, state: &State) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `iter` and `solve` are never used
[INFO] [stdout]    --> src/solver.rs:427:8
[INFO] [stdout]     |
[INFO] [stdout] 378 | impl<'mf> Solver<'mf> {
[INFO] [stdout]     | --------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 427 |     fn iter(&self) -> impl Iterator<Item = &Fact> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 465 |     fn solve(mf: &Minefield) -> (HashSet<Location>, HashSet<Location>) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.87s
[INFO] running `Command { std: "docker" "inspect" "68c2e5ea0af1c301c00cd75191e53611d4065492c10938bba5cab43ef584b2bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68c2e5ea0af1c301c00cd75191e53611d4065492c10938bba5cab43ef584b2bf", kill_on_drop: false }`
[INFO] [stdout] 68c2e5ea0af1c301c00cd75191e53611d4065492c10938bba5cab43ef584b2bf