[INFO] crate zero_sum 1.2.0 is already in cache
[INFO] checking zero_sum-1.2.0 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate zero_sum 1.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate zero_sum 1.2.0 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate zero_sum 1.2.0
[INFO] finished tweaking crates.io crate zero_sum 1.2.0
[INFO] tweaked toml for crates.io crate zero_sum 1.2.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 06c54e54dddb84c4d8dbc59cb8c3a5d4c3e5af7fe33cbfa4157eadea5b35e33b
[INFO] running `"docker" "start" "-a" "06c54e54dddb84c4d8dbc59cb8c3a5d4c3e5af7fe33cbfa4157eadea5b35e33b"`
[INFO] [stderr]     Checking zero_sum v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/analysis/search/pvsearch/mod.rs:441:9
[INFO] [stderr]     |
[INFO] [stderr] 441 |         try!(write!(f, "State: {}\n", self.state));
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/analysis/search/pvsearch/mod.rs:444:13
[INFO] [stderr]     |
[INFO] [stderr] 444 |             try!(write!(f, "Resultant State: {}\n", result));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/analysis/search/pvsearch/mod.rs:447:9
[INFO] [stderr]     |
[INFO] [stderr] 447 |         try!(write!(f, "Evaluation: {}{}", self.evaluation, if self.evaluation.is_end() {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/analysis/search/pvsearch/mod.rs:456:9
[INFO] [stderr]     |
[INFO] [stderr] 456 |         try!(write!(f, "Principal Variation:"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/analysis/search/pvsearch/mod.rs:458:13
[INFO] [stderr]     |
[INFO] [stderr] 458 |             try!(write!(f, "\n  {}", ply));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/analysis/search/pvsearch/mod.rs:460:9
[INFO] [stderr]     |
[INFO] [stderr] 460 |         try!(write!(f, "\nStatistics:\n{}", self.statistics));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/analysis/search/pvsearch/statistics.rs:152:13
[INFO] [stderr]     |
[INFO] [stderr] 152 |             try!(write!(f, "\n  {0:1$}", format!("Max Depth {}:", i + 1), title_width + 2));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/analysis/search/pvsearch/statistics.rs:154:17
[INFO] [stderr]     |
[INFO] [stderr] 154 |                 try!(write!(f, "  {0:>1$}", j + 1, column_widths[j]));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/analysis/search/pvsearch/statistics.rs:157:17
[INFO] [stderr]     |
[INFO] [stderr] 157 |                 try!(write!(f, "\n    {0:1$}", title, title_width));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/analysis/search/pvsearch/statistics.rs:159:21
[INFO] [stderr]     |
[INFO] [stderr] 159 |                     try!(write!(f, "  {0:>1$}", depth[j], column_widths[k]));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/analysis/search/pvsearch/statistics.rs:162:13
[INFO] [stderr]     |
[INFO] [stderr] 162 |             try!(write!(f, "\n"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/analysis/search/pvsearch/statistics.rs:184:9
[INFO] [stderr]     |
[INFO] [stderr] 184 |         try!(write!(f, "\n  {0:1$}", "Totals:", title_width + 2));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/analysis/search/pvsearch/statistics.rs:186:13
[INFO] [stderr]     |
[INFO] [stderr] 186 |             try!(write!(f, "  {0:>1$}", j + 1, column_widths[j]));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/analysis/search/pvsearch/statistics.rs:188:9
[INFO] [stderr]     |
[INFO] [stderr] 188 |         try!(write!(f, "  {0:>1$}", "Total", final_totals_width));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/analysis/search/pvsearch/statistics.rs:190:13
[INFO] [stderr]     |
[INFO] [stderr] 190 |             try!(write!(f, "\n    {0:1$}", title, title_width));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/analysis/search/pvsearch/statistics.rs:192:17
[INFO] [stderr]     |
[INFO] [stderr] 192 |                 try!(write!(f, "  {0:>1$}", depth[j], column_widths[k]));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/analysis/search/pvsearch/statistics.rs:194:13
[INFO] [stderr]     |
[INFO] [stderr] 194 |             try!(write!(f, "  {0:>1$}", final_totals[j], final_totals_width));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/analysis/search/mod.rs:71:26
[INFO] [stderr]    |
[INFO] [stderr] 71 |     fn as_any(&self) -> &Any;
[INFO] [stderr]    |                          ^^^ help: use `dyn`: `dyn Any`
[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/analysis/search/mod.rs:78:77
[INFO] [stderr]    |
[INFO] [stderr] 78 |     fn search(&mut self, state: &S, interrupt: Option<Receiver<()>>) -> Box<Analysis>;
[INFO] [stderr]    |                                                                             ^^^^^^^^ help: use `dyn`: `dyn Analysis`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/analysis/search/pvsearch/mod.rs:336:77
[INFO] [stderr]     |
[INFO] [stderr] 336 |     fn search(&mut self, state: &S, interrupt: Option<Receiver<()>>) -> Box<Analysis> {
[INFO] [stderr]     |                                                                             ^^^^^^^^ help: use `dyn`: `dyn Analysis`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/analysis/search/pvsearch/mod.rs:468:26
[INFO] [stderr]     |
[INFO] [stderr] 468 |     fn as_any(&self) -> &Any {
[INFO] [stderr]     |                          ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/analysis/search/pvsearch/mod.rs:441:9
[INFO] [stderr]     |
[INFO] [stderr] 441 |         try!(write!(f, "State: {}\n", self.state));
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/analysis/search/pvsearch/mod.rs:444:13
[INFO] [stderr]     |
[INFO] [stderr] 444 |             try!(write!(f, "Resultant State: {}\n", result));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/analysis/search/pvsearch/mod.rs:447:9
[INFO] [stderr]     |
[INFO] [stderr] 447 |         try!(write!(f, "Evaluation: {}{}", self.evaluation, if self.evaluation.is_end() {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/analysis/search/pvsearch/mod.rs:456:9
[INFO] [stderr]     |
[INFO] [stderr] 456 |         try!(write!(f, "Principal Variation:"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/analysis/search/pvsearch/mod.rs:458:13
[INFO] [stderr]     |
[INFO] [stderr] 458 |             try!(write!(f, "\n  {}", ply));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/analysis/search/pvsearch/mod.rs:460:9
[INFO] [stderr]     |
[INFO] [stderr] 460 |         try!(write!(f, "\nStatistics:\n{}", self.statistics));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/analysis/search/pvsearch/statistics.rs:152:13
[INFO] [stderr]     |
[INFO] [stderr] 152 |             try!(write!(f, "\n  {0:1$}", format!("Max Depth {}:", i + 1), title_width + 2));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/analysis/search/pvsearch/statistics.rs:154:17
[INFO] [stderr]     |
[INFO] [stderr] 154 |                 try!(write!(f, "  {0:>1$}", j + 1, column_widths[j]));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/analysis/search/pvsearch/statistics.rs:157:17
[INFO] [stderr]     |
[INFO] [stderr] 157 |                 try!(write!(f, "\n    {0:1$}", title, title_width));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/analysis/search/pvsearch/statistics.rs:159:21
[INFO] [stderr]     |
[INFO] [stderr] 159 |                     try!(write!(f, "  {0:>1$}", depth[j], column_widths[k]));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/analysis/search/pvsearch/statistics.rs:162:13
[INFO] [stderr]     |
[INFO] [stderr] 162 |             try!(write!(f, "\n"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/analysis/search/pvsearch/statistics.rs:184:9
[INFO] [stderr]     |
[INFO] [stderr] 184 |         try!(write!(f, "\n  {0:1$}", "Totals:", title_width + 2));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/analysis/search/pvsearch/statistics.rs:186:13
[INFO] [stderr]     |
[INFO] [stderr] 186 |             try!(write!(f, "  {0:>1$}", j + 1, column_widths[j]));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/analysis/search/pvsearch/statistics.rs:188:9
[INFO] [stderr]     |
[INFO] [stderr] 188 |         try!(write!(f, "  {0:>1$}", "Total", final_totals_width));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/analysis/search/pvsearch/statistics.rs:190:13
[INFO] [stderr]     |
[INFO] [stderr] 190 |             try!(write!(f, "\n    {0:1$}", title, title_width));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/analysis/search/pvsearch/statistics.rs:192:17
[INFO] [stderr]     |
[INFO] [stderr] 192 |                 try!(write!(f, "  {0:>1$}", depth[j], column_widths[k]));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/analysis/search/pvsearch/statistics.rs:194:13
[INFO] [stderr]     |
[INFO] [stderr] 194 |             try!(write!(f, "  {0:>1$}", final_totals[j], final_totals_width));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/analysis/search/mod.rs:71:26
[INFO] [stderr]    |
[INFO] [stderr] 71 |     fn as_any(&self) -> &Any;
[INFO] [stderr]    |                          ^^^ help: use `dyn`: `dyn Any`
[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/analysis/search/mod.rs:78:77
[INFO] [stderr]    |
[INFO] [stderr] 78 |     fn search(&mut self, state: &S, interrupt: Option<Receiver<()>>) -> Box<Analysis>;
[INFO] [stderr]    |                                                                             ^^^^^^^^ help: use `dyn`: `dyn Analysis`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/analysis/search/pvsearch/mod.rs:336:77
[INFO] [stderr]     |
[INFO] [stderr] 336 |     fn search(&mut self, state: &S, interrupt: Option<Receiver<()>>) -> Box<Analysis> {
[INFO] [stderr]     |                                                                             ^^^^^^^^ help: use `dyn`: `dyn Analysis`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/analysis/search/pvsearch/mod.rs:468:26
[INFO] [stderr]     |
[INFO] [stderr] 468 |     fn as_any(&self) -> &Any {
[INFO] [stderr]     |                          ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `impls` in `zero_sum`
[INFO] [stderr]   --> examples/tic_tac_toe.rs:25:15
[INFO] [stderr]    |
[INFO] [stderr] 25 | use zero_sum::impls::tic_tac_toe::*;
[INFO] [stderr]    |               ^^^^^ could not find `impls` in `zero_sum`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Board`
[INFO] [stderr]   --> examples/tic_tac_toe.rs:32:25
[INFO] [stderr]    |
[INFO] [stderr] 32 |         let mut board = Board::new();
[INFO] [stderr]    |                         ^^^^^ use of undeclared type or module `Board`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `impls` in `zero_sum`
[INFO] [stderr]   --> examples/tak_opening.rs:23:15
[INFO] [stderr]    |
[INFO] [stderr] 23 | use zero_sum::impls::tak::*;
[INFO] [stderr]    |               ^^^^^ could not find `impls` in `zero_sum`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Resolution`
[INFO] [stderr]   --> examples/tic_tac_toe.rs:48:22
[INFO] [stderr]    |
[INFO] [stderr] 48 |                 Some(Resolution::Win(mark)) => {
[INFO] [stderr]    |                      ^^^^^^^^^^ use of undeclared type or module `Resolution`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Resolution`
[INFO] [stderr]   --> examples/tic_tac_toe.rs:52:22
[INFO] [stderr]    |
[INFO] [stderr] 52 |                 Some(Resolution::CatsGame) => {
[INFO] [stderr]    |                      ^^^^^^^^^^ use of undeclared type or module `Resolution`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `Evaluator` in this scope
[INFO] [stderr]   --> examples/tic_tac_toe.rs:33:25
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let evaluator = Evaluator;
[INFO] [stderr]    |                         ^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0422]: cannot find struct, variant or union type `Ply` in this scope
[INFO] [stderr]   --> examples/tic_tac_toe.rs:80:17
[INFO] [stderr]    |
[INFO] [stderr] 80 |                 Ply {
[INFO] [stderr]    |                 ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0603]: module `pvsearch` is private
[INFO] [stderr]   --> examples/tic_tac_toe.rs:34:50
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let mut ai = zero_sum::analysis::search::pvsearch::PvSearch::new(evaluator);
[INFO] [stderr]    |                                                  ^^^^^^^^ private module
[INFO] [stderr]    |
[INFO] [stderr] note: the module `pvsearch` is defined here
[INFO] [stderr]   --> /opt/rustwide/workdir/src/analysis/search/mod.rs:83:1
[INFO] [stderr]    |
[INFO] [stderr] 83 | mod pvsearch;
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `State`
[INFO] [stderr]   --> examples/tak_opening.rs:26:17
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let state = State::new(5);
[INFO] [stderr]    |                 ^^^^^ use of undeclared type or module `State`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `evaluator`
[INFO] [stderr]   --> examples/tak_opening.rs:27:21
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let evaluator = evaluator::StaticEvaluator;
[INFO] [stderr]    |                     ^^^^^^^^^ use of undeclared type or module `evaluator`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: could not compile `zero_sum`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0609]: no field `principal_variation` on type `std::boxed::Box<(dyn zero_sum::analysis::search::Analysis + 'static)>`
[INFO] [stderr]   --> examples/tic_tac_toe.rs:87:41
[INFO] [stderr]    |
[INFO] [stderr] 87 |                 ai.search(&board, None).principal_variation[0].clone()
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^ unknown field
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `zero_sum::State`
[INFO] [stderr]   --> examples/tic_tac_toe.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | use zero_sum::State;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0422, E0425, E0433, E0603, E0609.
[INFO] [stderr] For more information about an error, try `rustc --explain E0422`.
[INFO] [stderr] error: could not compile `zero_sum`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "06c54e54dddb84c4d8dbc59cb8c3a5d4c3e5af7fe33cbfa4157eadea5b35e33b"`
[INFO] running `"docker" "rm" "-f" "06c54e54dddb84c4d8dbc59cb8c3a5d4c3e5af7fe33cbfa4157eadea5b35e33b"`
[INFO] [stdout] 06c54e54dddb84c4d8dbc59cb8c3a5d4c3e5af7fe33cbfa4157eadea5b35e33b