[INFO] updating cached repository jockbert/jockbert_ants_bot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jockbert/jockbert_ants_bot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jockbert/jockbert_ants_bot" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/jockbert/jockbert_ants_bot"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/jockbert/jockbert_ants_bot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jockbert/jockbert_ants_bot" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/jockbert/jockbert_ants_bot"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/jockbert/jockbert_ants_bot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1cb298762dde4ef912f63ff8a21c71131a8174ac
[INFO] sha for GitHub repo jockbert/jockbert_ants_bot: 1cb298762dde4ef912f63ff8a21c71131a8174ac
[INFO] validating manifest of jockbert/jockbert_ants_bot on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jockbert/jockbert_ants_bot on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jockbert/jockbert_ants_bot
[INFO] finished frobbing jockbert/jockbert_ants_bot
[INFO] frobbed toml for jockbert/jockbert_ants_bot written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/jockbert/jockbert_ants_bot/Cargo.toml
[INFO] started frobbing jockbert/jockbert_ants_bot
[INFO] finished frobbing jockbert/jockbert_ants_bot
[INFO] frobbed toml for jockbert/jockbert_ants_bot written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/jockbert/jockbert_ants_bot/Cargo.toml
[INFO] crate jockbert/jockbert_ants_bot already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jockbert/jockbert_ants_bot against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-1/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/jockbert/jockbert_ants_bot:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0a18bb92cba89891ace6441e4b98f5888a40a5d949cb0ad1da94b6d5d6e09e8d
[INFO] running `"docker" "start" "-a" "0a18bb92cba89891ace6441e4b98f5888a40a5d949cb0ad1da94b6d5d6e09e8d"`
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling proc-macro-hack v0.5.4
[INFO] [stderr]    Compiling indoc-impl v0.3.1
[INFO] [stderr]     Checking indoc v0.3.1
[INFO] [stderr]     Checking ants_ai_challenge_api v0.1.0 (https://github.com/jockbert/ants_ai_challenge_api#ed626824)
[INFO] [stderr]     Checking jockbot_ants_bot v0.1.0 (/opt/crater/workdir)
[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:20:22
[INFO] [stderr]    |
[INFO] [stderr] 20 |         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/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/mod.rs:15:17
[INFO] [stderr]    |
[INFO] [stderr] 15 |         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:24:31
[INFO] [stderr]    |
[INFO] [stderr] 24 | 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:17:22
[INFO] [stderr]    |
[INFO] [stderr] 17 |         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]  --> 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:20:22
[INFO] [stderr]    |
[INFO] [stderr] 20 |         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/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/mod.rs:15:17
[INFO] [stderr]    |
[INFO] [stderr] 15 |         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:24:31
[INFO] [stderr]    |
[INFO] [stderr] 24 | 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:17:22
[INFO] [stderr]    |
[INFO] [stderr] 17 |         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]     Finished dev [unoptimized + debuginfo] target(s) in 16.02s
[INFO] running `"docker" "inspect" "0a18bb92cba89891ace6441e4b98f5888a40a5d949cb0ad1da94b6d5d6e09e8d"`
[INFO] running `"docker" "rm" "-f" "0a18bb92cba89891ace6441e4b98f5888a40a5d949cb0ad1da94b6d5d6e09e8d"`
[INFO] [stdout] 0a18bb92cba89891ace6441e4b98f5888a40a5d949cb0ad1da94b6d5d6e09e8d