[INFO] updating cached repository https://github.com/binarybana/mancala_ai
[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] 313c942e9dcfc52cfa0ccbcf70384a64fbdb840d
[INFO] checking binarybana/mancala_ai against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbinarybana%2Fmancala_ai" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/binarybana/mancala_ai on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/binarybana/mancala_ai
[INFO] finished tweaking git repo https://github.com/binarybana/mancala_ai
[INFO] tweaked toml for git repo https://github.com/binarybana/mancala_ai written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/binarybana/mancala_ai already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 27eb55c11e6f62dc4bb65e29dd9eac6b8c4db5937c01302f1a2cedc1ec506659
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "27eb55c11e6f62dc4bb65e29dd9eac6b8c4db5937c01302f1a2cedc1ec506659"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking bincode v0.6.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking docopt v0.6.86
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking mancala v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mancala.rs:280:9
[INFO] [stderr]     |
[INFO] [stderr] 280 |         try!(write!(
[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/mancala.rs:287:13
[INFO] [stderr]     |
[INFO] [stderr] 287 |             try!(write!(f, "{:2} |", house));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mancala.rs:290:9
[INFO] [stderr]     |
[INFO] [stderr] 290 |         try!(write!(
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mancala.rs:298:13
[INFO] [stderr]     |
[INFO] [stderr] 298 |             try!(write!(f, "{:2} |", house));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packed_actions.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |         try!(write!(f, "(len: {}; ", self.length()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packed_actions.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |             try!(write!(f, "{},", val));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/player.rs:154:17
[INFO] [stderr]     |
[INFO] [stderr] 154 |     mut p1: Box<Player>,
[INFO] [stderr]     |                 ^^^^^^ help: use `dyn`: `dyn Player`
[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/player.rs:155:17
[INFO] [stderr]     |
[INFO] [stderr] 155 |     mut p2: Box<Player>,
[INFO] [stderr]     |                 ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:128:23
[INFO] [stderr]     |
[INFO] [stderr] 128 |             p1 as Box<Player>,
[INFO] [stderr]     |                       ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:129:23
[INFO] [stderr]     |
[INFO] [stderr] 129 |             p2 as Box<Player>,
[INFO] [stderr]     |                       ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `AIPlayer`
[INFO] [stderr]    --> src/mancala.rs:456:22
[INFO] [stderr]     |
[INFO] [stderr] 456 |         let mut p1 = AIPlayer::new(state);
[INFO] [stderr]     |                      ^^^^^^^^ use of undeclared type or module `AIPlayer`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mancala.rs:280:9
[INFO] [stderr]     |
[INFO] [stderr] 280 |         try!(write!(
[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/mancala.rs:287:13
[INFO] [stderr]     |
[INFO] [stderr] 287 |             try!(write!(f, "{:2} |", house));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mancala.rs:290:9
[INFO] [stderr]     |
[INFO] [stderr] 290 |         try!(write!(
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mancala.rs:298:13
[INFO] [stderr]     |
[INFO] [stderr] 298 |             try!(write!(f, "{:2} |", house));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packed_actions.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |         try!(write!(f, "(len: {}; ", self.length()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packed_actions.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |             try!(write!(f, "{},", val));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/player.rs:154:17
[INFO] [stderr]     |
[INFO] [stderr] 154 |     mut p1: Box<Player>,
[INFO] [stderr]     |                 ^^^^^^ help: use `dyn`: `dyn Player`
[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/player.rs:155:17
[INFO] [stderr]     |
[INFO] [stderr] 155 |     mut p2: Box<Player>,
[INFO] [stderr]     |                 ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:128:23
[INFO] [stderr]     |
[INFO] [stderr] 128 |             p1 as Box<Player>,
[INFO] [stderr]     |                       ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:129:23
[INFO] [stderr]     |
[INFO] [stderr] 129 |             p2 as Box<Player>,
[INFO] [stderr]     |                       ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `P1Win` is named the same as one of the variants of the type `mancala::Outcome`
[INFO] [stderr]    --> src/player.rs:174:14
[INFO] [stderr]     |
[INFO] [stderr] 174 |         Some(P1Win) => println!("You won!"),
[INFO] [stderr]     |              ^^^^^ help: to match on the variant, qualify the path: `mancala::Outcome::P1Win`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bindings_with_variant_name)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `P2Win` is named the same as one of the variants of the type `mancala::Outcome`
[INFO] [stderr]    --> src/player.rs:175:14
[INFO] [stderr]     |
[INFO] [stderr] 175 |         Some(P2Win) => println!("You Lost!"),
[INFO] [stderr]     |              ^^^^^ help: to match on the variant, qualify the path: `mancala::Outcome::P2Win`
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `Tie` is named the same as one of the variants of the type `mancala::Outcome`
[INFO] [stderr]    --> src/player.rs:176:14
[INFO] [stderr]     |
[INFO] [stderr] 176 |         Some(Tie) => println!("Tied!?!"),
[INFO] [stderr]     |              ^^^ help: to match on the variant, qualify the path: `mancala::Outcome::Tie`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/player.rs:175:9
[INFO] [stderr]     |
[INFO] [stderr] 175 |         Some(P2Win) => println!("You Lost!"),
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/player.rs:176:9
[INFO] [stderr]     |
[INFO] [stderr] 176 |         Some(Tie) => println!("Tied!?!"),
[INFO] [stderr]     |         ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `P1Win`
[INFO] [stderr]    --> src/player.rs:174:14
[INFO] [stderr]     |
[INFO] [stderr] 174 |         Some(P1Win) => println!("You won!"),
[INFO] [stderr]     |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_P1Win`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `P2Win`
[INFO] [stderr]    --> src/player.rs:175:14
[INFO] [stderr]     |
[INFO] [stderr] 175 |         Some(P2Win) => println!("You Lost!"),
[INFO] [stderr]     |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_P2Win`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `Tie`
[INFO] [stderr]    --> src/player.rs:176:14
[INFO] [stderr]     |
[INFO] [stderr] 176 |         Some(Tie) => println!("Tied!?!"),
[INFO] [stderr]     |              ^^^ help: if this is intentional, prefix it with an underscore: `_Tie`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `starting_state`
[INFO] [stderr]    --> src/player.rs:157:5
[INFO] [stderr]     |
[INFO] [stderr] 157 |     starting_state: GameState,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_starting_state`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: could not compile `mancala`.
[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] warning: variant is never constructed: `P1`
[INFO] [stderr]  --> src/mancala.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     P1,
[INFO] [stderr]   |     ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `P2`
[INFO] [stderr]   --> src/mancala.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     P2,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `P1Win` should have a snake case name
[INFO] [stderr]    --> src/player.rs:174:14
[INFO] [stderr]     |
[INFO] [stderr] 174 |         Some(P1Win) => println!("You won!"),
[INFO] [stderr]     |              ^^^^^ help: convert the identifier to snake case: `p1_win`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `P2Win` should have a snake case name
[INFO] [stderr]    --> src/player.rs:175:14
[INFO] [stderr]     |
[INFO] [stderr] 175 |         Some(P2Win) => println!("You Lost!"),
[INFO] [stderr]     |              ^^^^^ help: convert the identifier to snake case: `p2_win`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Tie` should have a snake case name
[INFO] [stderr]    --> src/player.rs:176:14
[INFO] [stderr]     |
[INFO] [stderr] 176 |         Some(Tie) => println!("Tied!?!"),
[INFO] [stderr]     |              ^^^ help: convert the identifier to snake case: `tie`
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "27eb55c11e6f62dc4bb65e29dd9eac6b8c4db5937c01302f1a2cedc1ec506659"`
[INFO] running `"docker" "rm" "-f" "27eb55c11e6f62dc4bb65e29dd9eac6b8c4db5937c01302f1a2cedc1ec506659"`
[INFO] [stdout] 27eb55c11e6f62dc4bb65e29dd9eac6b8c4db5937c01302f1a2cedc1ec506659
