[INFO] updating cached repository https://github.com/jockbert/jockbert_ants_bot
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b09fe3f00a082a7715952bf2350d4870be38e1bc
[INFO] checking jockbert/jockbert_ants_bot against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjockbert%2Fjockbert_ants_bot" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jockbert/jockbert_ants_bot on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jockbert/jockbert_ants_bot
[INFO] finished tweaking git repo https://github.com/jockbert/jockbert_ants_bot
[INFO] tweaked toml for git repo https://github.com/jockbert/jockbert_ants_bot written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/jockbert/ants_ai_challenge_api`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2ce6d5468ac406cdbf69ea30b161e7188435afe4e3e00782d73a91e9f31ce843
[INFO] running `"docker" "start" "-a" "2ce6d5468ac406cdbf69ea30b161e7188435afe4e3e00782d73a91e9f31ce843"`
[INFO] [stderr]    Compiling unindent v0.1.5
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling indoc-impl v0.3.4
[INFO] [stderr]     Checking indoc v0.3.4
[INFO] [stderr]     Checking ants_ai_challenge_api v0.1.0 (https://github.com/jockbert/ants_ai_challenge_api#1924a992)
[INFO] [stderr]     Checking jockbot_ants_bot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/utilities.rs:28:20
[INFO] [stderr]    |
[INFO] [stderr] 28 |             c @ '0'...'9' => {
[INFO] [stderr]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/utilities.rs:31:20
[INFO] [stderr]    |
[INFO] [stderr] 31 |             c @ 'a'...'j' => world.live_ant(pos, offset_from('a', c)),
[INFO] [stderr]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/utilities.rs:32:20
[INFO] [stderr]    |
[INFO] [stderr] 32 |             c @ 'A'...'J' => {
[INFO] [stderr]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/utilities.rs:188:1
[INFO] [stderr]     |
[INFO] [stderr] 188 | / macro_rules! assert_orders {
[INFO] [stderr] 189 | |         ($cut:expr) => {
[INFO] [stderr] 190 | |             assert_eq![$cut.get_orders(),vec![]];
[INFO] [stderr] 191 | |         };
[INFO] [stderr] ...   |
[INFO] [stderr] 199 | |         };
[INFO] [stderr] 200 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/utilities.rs:204:1
[INFO] [stderr]     |
[INFO] [stderr] 204 | / macro_rules! assert_dirs {
[INFO] [stderr] 205 | |         ($cut:expr, $position:expr, $( $dir:expr ),*) => {
[INFO] [stderr] 206 | |             let mut expected_dirs = Vec::new();
[INFO] [stderr] 207 | |             $(
[INFO] [stderr] ...   |
[INFO] [stderr] 211 | |         };
[INFO] [stderr] 212 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/strategy/composite_strategy.rs:6:30
[INFO] [stderr]   |
[INFO] [stderr] 6 |     strategies: Vec<&'static Strategy>,
[INFO] [stderr]   |                              ^^^^^^^^ help: use `dyn`: `dyn Strategy`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/strategy/composite_strategy.rs:24:22
[INFO] [stderr]    |
[INFO] [stderr] 24 |         world_step: &WorldStep,
[INFO] [stderr]    |                      ^^^^^^^^^ help: use `dyn`: `dyn WorldStep`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/strategy/gather_food.rs:12:22
[INFO] [stderr]    |
[INFO] [stderr] 12 |         world_step: &WorldStep,
[INFO] [stderr]    |                      ^^^^^^^^^ help: use `dyn`: `dyn WorldStep`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/strategy/random_walk.rs:22:22
[INFO] [stderr]    |
[INFO] [stderr] 22 |         world_step: &WorldStep,
[INFO] [stderr]    |                      ^^^^^^^^^ help: use `dyn`: `dyn WorldStep`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/strategy/spread_out_scout.rs:23:22
[INFO] [stderr]    |
[INFO] [stderr] 23 |         world_step: &WorldStep,
[INFO] [stderr]    |                      ^^^^^^^^^ help: use `dyn`: `dyn WorldStep`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/strategy/search/bfs.rs:12:17
[INFO] [stderr]    |
[INFO] [stderr] 12 |         world: &WorldStep,
[INFO] [stderr]    |                 ^^^^^^^^^ help: use `dyn`: `dyn WorldStep`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/strategy/search/manhattan_filter.rs:4:20
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub inner: Box<Search>,
[INFO] [stderr]   |                    ^^^^^^ help: use `dyn`: `dyn Search`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/strategy/search/manhattan_filter.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 |         world: &WorldStep,
[INFO] [stderr]    |                 ^^^^^^^^^ help: use `dyn`: `dyn WorldStep`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/strategy/search/repeated_a_star.rs:129:17
[INFO] [stderr]     |
[INFO] [stderr] 129 |         world: &WorldStep,
[INFO] [stderr]     |                 ^^^^^^^^^ help: use `dyn`: `dyn WorldStep`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/strategy/search/repeated_a_star.rs:182:17
[INFO] [stderr]     |
[INFO] [stderr] 182 |         world: &WorldStep,
[INFO] [stderr]     |                 ^^^^^^^^^ help: use `dyn`: `dyn WorldStep`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/strategy/search/mod.rs:17:17
[INFO] [stderr]    |
[INFO] [stderr] 17 |         world: &WorldStep,
[INFO] [stderr]    |                 ^^^^^^^^^ help: use `dyn`: `dyn WorldStep`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/strategy/search/mod.rs:26:31
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub fn create_search() -> Box<Search> {
[INFO] [stderr]    |                               ^^^^^^ help: use `dyn`: `dyn Search`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/strategy/mod.rs:19:22
[INFO] [stderr]    |
[INFO] [stderr] 19 |         world_step: &WorldStep,
[INFO] [stderr]    |                      ^^^^^^^^^ help: use `dyn`: `dyn WorldStep`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/world_step/ant_crash_filter.rs:8:19
[INFO] [stderr]   |
[INFO] [stderr] 8 |     delegate: Box<WorldStep>,
[INFO] [stderr]   |                   ^^^^^^^^^ help: use `dyn`: `dyn WorldStep`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/world_step/ant_crash_filter.rs:12:30
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new(delegate: Box<WorldStep>) -> AntCrashFilter {
[INFO] [stderr]    |                              ^^^^^^^^^ help: use `dyn`: `dyn WorldStep`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/world_step/ant_crash_filter.rs:26:51
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn add_order(&mut self, order: Order) -> &mut WorldStep {
[INFO] [stderr]    |                                                   ^^^^^^^^^ help: use `dyn`: `dyn WorldStep`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/world_step/avoid_water_filter.rs:5:19
[INFO] [stderr]   |
[INFO] [stderr] 5 |     delegate: Box<WorldStep>,
[INFO] [stderr]   |                   ^^^^^^^^^ help: use `dyn`: `dyn WorldStep`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/world_step/avoid_water_filter.rs:9:30
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn new(delegate: Box<WorldStep>) -> AvoidWaterFilter {
[INFO] [stderr]   |                              ^^^^^^^^^ help: use `dyn`: `dyn WorldStep`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/world_step/avoid_water_filter.rs:21:51
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn add_order(&mut self, order: Order) -> &mut WorldStep {
[INFO] [stderr]    |                                                   ^^^^^^^^^ help: use `dyn`: `dyn WorldStep`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/world_step/basic_world_step.rs:28:51
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn add_order(&mut self, order: Order) -> &mut WorldStep {
[INFO] [stderr]    |                                                   ^^^^^^^^^ help: use `dyn`: `dyn WorldStep`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/world_step/mod.rs:23:51
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn add_order(&mut self, order: Order) -> &mut WorldStep;
[INFO] [stderr]    |                                                   ^^^^^^^^^ help: use `dyn`: `dyn WorldStep`
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/utilities.rs:28:20
[INFO] [stderr]    |
[INFO] [stderr] 28 |             c @ '0'...'9' => {
[INFO] [stderr]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/utilities.rs:31:20
[INFO] [stderr]    |
[INFO] [stderr] 31 |             c @ 'a'...'j' => world.live_ant(pos, offset_from('a', c)),
[INFO] [stderr]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/utilities.rs:32:20
[INFO] [stderr]    |
[INFO] [stderr] 32 |             c @ 'A'...'J' => {
[INFO] [stderr]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/strategy/composite_strategy.rs:6:30
[INFO] [stderr]   |
[INFO] [stderr] 6 |     strategies: Vec<&'static Strategy>,
[INFO] [stderr]   |                              ^^^^^^^^ help: use `dyn`: `dyn Strategy`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/strategy/composite_strategy.rs:24:22
[INFO] [stderr]    |
[INFO] [stderr] 24 |         world_step: &WorldStep,
[INFO] [stderr]    |                      ^^^^^^^^^ help: use `dyn`: `dyn WorldStep`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/strategy/gather_food.rs:12:22
[INFO] [stderr]    |
[INFO] [stderr] 12 |         world_step: &WorldStep,
[INFO] [stderr]    |                      ^^^^^^^^^ help: use `dyn`: `dyn WorldStep`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/strategy/random_walk.rs:22:22
[INFO] [stderr]    |
[INFO] [stderr] 22 |         world_step: &WorldStep,
[INFO] [stderr]    |                      ^^^^^^^^^ help: use `dyn`: `dyn WorldStep`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/strategy/spread_out_scout.rs:23:22
[INFO] [stderr]    |
[INFO] [stderr] 23 |         world_step: &WorldStep,
[INFO] [stderr]    |                      ^^^^^^^^^ help: use `dyn`: `dyn WorldStep`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/strategy/search/bfs.rs:12:17
[INFO] [stderr]    |
[INFO] [stderr] 12 |         world: &WorldStep,
[INFO] [stderr]    |                 ^^^^^^^^^ help: use `dyn`: `dyn WorldStep`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/strategy/search/manhattan_filter.rs:4:20
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub inner: Box<Search>,
[INFO] [stderr]   |                    ^^^^^^ help: use `dyn`: `dyn Search`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/strategy/search/manhattan_filter.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 |         world: &WorldStep,
[INFO] [stderr]    |                 ^^^^^^^^^ help: use `dyn`: `dyn WorldStep`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/strategy/search/manhattan_filter.rs:61:22
[INFO] [stderr]    |
[INFO] [stderr] 61 |             _world: &WorldStep,
[INFO] [stderr]    |                      ^^^^^^^^^ help: use `dyn`: `dyn WorldStep`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/strategy/search/repeated_a_star.rs:129:17
[INFO] [stderr]     |
[INFO] [stderr] 129 |         world: &WorldStep,
[INFO] [stderr]     |                 ^^^^^^^^^ help: use `dyn`: `dyn WorldStep`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/strategy/search/repeated_a_star.rs:182:17
[INFO] [stderr]     |
[INFO] [stderr] 182 |         world: &WorldStep,
[INFO] [stderr]     |                 ^^^^^^^^^ help: use `dyn`: `dyn WorldStep`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/strategy/search/mod.rs:17:17
[INFO] [stderr]    |
[INFO] [stderr] 17 |         world: &WorldStep,
[INFO] [stderr]    |                 ^^^^^^^^^ help: use `dyn`: `dyn WorldStep`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/strategy/search/mod.rs:26:31
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub fn create_search() -> Box<Search> {
[INFO] [stderr]    |                               ^^^^^^ help: use `dyn`: `dyn Search`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/strategy/mod.rs:19:22
[INFO] [stderr]    |
[INFO] [stderr] 19 |         world_step: &WorldStep,
[INFO] [stderr]    |                      ^^^^^^^^^ help: use `dyn`: `dyn WorldStep`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/world_step/ant_crash_filter.rs:8:19
[INFO] [stderr]   |
[INFO] [stderr] 8 |     delegate: Box<WorldStep>,
[INFO] [stderr]   |                   ^^^^^^^^^ help: use `dyn`: `dyn WorldStep`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/world_step/ant_crash_filter.rs:12:30
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new(delegate: Box<WorldStep>) -> AntCrashFilter {
[INFO] [stderr]    |                              ^^^^^^^^^ help: use `dyn`: `dyn WorldStep`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/world_step/ant_crash_filter.rs:26:51
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn add_order(&mut self, order: Order) -> &mut WorldStep {
[INFO] [stderr]    |                                                   ^^^^^^^^^ help: use `dyn`: `dyn WorldStep`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/world_step/avoid_water_filter.rs:5:19
[INFO] [stderr]   |
[INFO] [stderr] 5 |     delegate: Box<WorldStep>,
[INFO] [stderr]   |                   ^^^^^^^^^ help: use `dyn`: `dyn WorldStep`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/world_step/avoid_water_filter.rs:9:30
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn new(delegate: Box<WorldStep>) -> AvoidWaterFilter {
[INFO] [stderr]   |                              ^^^^^^^^^ help: use `dyn`: `dyn WorldStep`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/world_step/avoid_water_filter.rs:21:51
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn add_order(&mut self, order: Order) -> &mut WorldStep {
[INFO] [stderr]    |                                                   ^^^^^^^^^ help: use `dyn`: `dyn WorldStep`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/world_step/basic_world_step.rs:28:51
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn add_order(&mut self, order: Order) -> &mut WorldStep {
[INFO] [stderr]    |                                                   ^^^^^^^^^ help: use `dyn`: `dyn WorldStep`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/world_step/mod.rs:23:51
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn add_order(&mut self, order: Order) -> &mut WorldStep;
[INFO] [stderr]    |                                                   ^^^^^^^^^ help: use `dyn`: `dyn WorldStep`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> benches/search_algorithms.rs:16:23
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn search(search: Box<Search>) {
[INFO] [stderr]    |                       ^^^^^^ help: use `dyn`: `dyn Search`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.25s
[INFO] running `"docker" "inspect" "2ce6d5468ac406cdbf69ea30b161e7188435afe4e3e00782d73a91e9f31ce843"`
[INFO] running `"docker" "rm" "-f" "2ce6d5468ac406cdbf69ea30b161e7188435afe4e3e00782d73a91e9f31ce843"`
[INFO] [stdout] 2ce6d5468ac406cdbf69ea30b161e7188435afe4e3e00782d73a91e9f31ce843