[INFO] cloning repository https://github.com/binarybana/mancala_ai
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/binarybana/mancala_ai" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbinarybana%2Fmancala_ai", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbinarybana%2Fmancala_ai'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 313c942e9dcfc52cfa0ccbcf70384a64fbdb840d
[INFO] building binarybana/mancala_ai against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbinarybana%2Fmancala_ai" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/binarybana/mancala_ai on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-7/source/Cargo.toml
[INFO] crate git repo https://github.com/binarybana/mancala_ai already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-traits v0.1.41
[INFO] [stderr]   Downloaded byteorder v1.2.1
[INFO] [stderr]   Downloaded bincode v0.6.1
[INFO] [stderr]   Downloaded env_logger v0.3.5
[INFO] [stderr]   Downloaded log v0.4.0
[INFO] [stderr]   Downloaded strsim v0.5.2
[INFO] [stderr]   Downloaded docopt v0.6.86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abf199079e30fe9c0d8d104ddb4807c27cbbb0664fcaf46eeeb12244799f0d82
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "abf199079e30fe9c0d8d104ddb4807c27cbbb0664fcaf46eeeb12244799f0d82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abf199079e30fe9c0d8d104ddb4807c27cbbb0664fcaf46eeeb12244799f0d82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abf199079e30fe9c0d8d104ddb4807c27cbbb0664fcaf46eeeb12244799f0d82", kill_on_drop: false }`
[INFO] [stdout] abf199079e30fe9c0d8d104ddb4807c27cbbb0664fcaf46eeeb12244799f0d82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0e7eb4235d1054699a4ad67f492e8ff6d9d196fd349e65102778e2563bdd43b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f0e7eb4235d1054699a4ad67f492e8ff6d9d196fd349e65102778e2563bdd43b", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling num-traits v0.1.41
[INFO] [stderr]    Compiling strsim v0.5.2
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling log v0.4.0
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling bincode v0.6.1
[INFO] [stderr]    Compiling docopt v0.6.86
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling mancala v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/main.rs:37:17
[INFO] [stdout]    |
[INFO] [stdout] 37 | #[derive(Debug, RustcDecodable)]
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/mancala.rs:21:51
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[derive(Debug, Eq, PartialEq, Hash, Copy, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/mancala.rs:21:67
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[derive(Debug, Eq, PartialEq, Hash, Copy, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                                                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/mancala.rs:280:9
[INFO] [stdout]     |
[INFO] [stdout] 280 |         try!(write!(
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/mancala.rs:287:13
[INFO] [stdout]     |
[INFO] [stdout] 287 |             try!(write!(f, "{:2} |", house));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/mancala.rs:290:9
[INFO] [stdout]     |
[INFO] [stdout] 290 |         try!(write!(
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/mancala.rs:298:13
[INFO] [stdout]     |
[INFO] [stdout] 298 |             try!(write!(f, "{:2} |", house));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/packed_actions.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         try!(write!(f, "(len: {}; ", self.length()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/packed_actions.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |             try!(write!(f, "{},", val));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/player.rs:154:17
[INFO] [stdout]     |
[INFO] [stdout] 154 |     mut p1: Box<Player>,
[INFO] [stdout]     |                 ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/player.rs:155:17
[INFO] [stdout]     |
[INFO] [stdout] 155 |     mut p2: Box<Player>,
[INFO] [stdout]     |                 ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:128:23
[INFO] [stdout]     |
[INFO] [stdout] 128 |             p1 as Box<Player>,
[INFO] [stdout]     |                       ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:129:23
[INFO] [stdout]     |
[INFO] [stdout] 129 |             p2 as Box<Player>,
[INFO] [stdout]     |                       ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `P1Win` is named the same as one of the variants of the type `Outcome`
[INFO] [stdout]    --> src/player.rs:174:14
[INFO] [stdout]     |
[INFO] [stdout] 174 |         Some(P1Win) => println!("You won!"),
[INFO] [stdout]     |              ^^^^^ help: to match on the variant, qualify the path: `Outcome::P1Win`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bindings_with_variant_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `P2Win` is named the same as one of the variants of the type `Outcome`
[INFO] [stdout]    --> src/player.rs:175:14
[INFO] [stdout]     |
[INFO] [stdout] 175 |         Some(P2Win) => println!("You Lost!"),
[INFO] [stdout]     |              ^^^^^ help: to match on the variant, qualify the path: `Outcome::P2Win`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `Tie` is named the same as one of the variants of the type `Outcome`
[INFO] [stdout]    --> src/player.rs:176:14
[INFO] [stdout]     |
[INFO] [stdout] 176 |         Some(Tie) => println!("Tied!?!"),
[INFO] [stdout]     |              ^^^ help: to match on the variant, qualify the path: `Outcome::Tie`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/player.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |         Some(P2Win) => println!("You Lost!"),
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/player.rs:176:9
[INFO] [stdout]     |
[INFO] [stdout] 176 |         Some(Tie) => println!("Tied!?!"),
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `P1Win`
[INFO] [stdout]    --> src/player.rs:174:14
[INFO] [stdout]     |
[INFO] [stdout] 174 |         Some(P1Win) => println!("You won!"),
[INFO] [stdout]     |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_P1Win`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `P2Win`
[INFO] [stdout]    --> src/player.rs:175:14
[INFO] [stdout]     |
[INFO] [stdout] 175 |         Some(P2Win) => println!("You Lost!"),
[INFO] [stdout]     |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_P2Win`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Tie`
[INFO] [stdout]    --> src/player.rs:176:14
[INFO] [stdout]     |
[INFO] [stdout] 176 |         Some(Tie) => println!("Tied!?!"),
[INFO] [stdout]     |              ^^^ help: if this is intentional, prefix it with an underscore: `_Tie`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `starting_state`
[INFO] [stdout]    --> src/player.rs:157:5
[INFO] [stdout]     |
[INFO] [stdout] 157 |     starting_state: GameState,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_starting_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `P1`
[INFO] [stdout]  --> src/mancala.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     P1,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `P2`
[INFO] [stdout]   --> src/mancala.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     P2,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `P1Win` should have a snake case name
[INFO] [stdout]    --> src/player.rs:174:14
[INFO] [stdout]     |
[INFO] [stdout] 174 |         Some(P1Win) => println!("You won!"),
[INFO] [stdout]     |              ^^^^^ help: convert the identifier to snake case: `p1_win`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `P2Win` should have a snake case name
[INFO] [stdout]    --> src/player.rs:175:14
[INFO] [stdout]     |
[INFO] [stdout] 175 |         Some(P2Win) => println!("You Lost!"),
[INFO] [stdout]     |              ^^^^^ help: convert the identifier to snake case: `p2_win`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Tie` should have a snake case name
[INFO] [stdout]    --> src/player.rs:176:14
[INFO] [stdout]     |
[INFO] [stdout] 176 |         Some(Tie) => println!("Tied!?!"),
[INFO] [stdout]     |              ^^^ help: convert the identifier to snake case: `tie`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0170`.
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.43s
[INFO] running `Command { std: "docker" "inspect" "f0e7eb4235d1054699a4ad67f492e8ff6d9d196fd349e65102778e2563bdd43b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0e7eb4235d1054699a4ad67f492e8ff6d9d196fd349e65102778e2563bdd43b", kill_on_drop: false }`
[INFO] [stdout] f0e7eb4235d1054699a4ad67f492e8ff6d9d196fd349e65102778e2563bdd43b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7e8fa0b77c707ddd7b5c9a3617603a2327809de82bb05012d2a0e5cb18d2029
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e7e8fa0b77c707ddd7b5c9a3617603a2327809de82bb05012d2a0e5cb18d2029", kill_on_drop: false }`
[INFO] [stderr]    Compiling mancala v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `AIPlayer`
[INFO] [stdout]    --> src/mancala.rs:456:22
[INFO] [stdout]     |
[INFO] [stdout] 456 |         let mut p1 = AIPlayer::new(state);
[INFO] [stdout]     |                      ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 309 |     use player::AIPlayer;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/main.rs:37:17
[INFO] [stdout]    |
[INFO] [stdout] 37 | #[derive(Debug, RustcDecodable)]
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/mancala.rs:21:51
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[derive(Debug, Eq, PartialEq, Hash, Copy, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/mancala.rs:21:67
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[derive(Debug, Eq, PartialEq, Hash, Copy, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                                                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/mancala.rs:280:9
[INFO] [stdout]     |
[INFO] [stdout] 280 |         try!(write!(
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/mancala.rs:287:13
[INFO] [stdout]     |
[INFO] [stdout] 287 |             try!(write!(f, "{:2} |", house));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/mancala.rs:290:9
[INFO] [stdout]     |
[INFO] [stdout] 290 |         try!(write!(
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/mancala.rs:298:13
[INFO] [stdout]     |
[INFO] [stdout] 298 |             try!(write!(f, "{:2} |", house));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/packed_actions.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         try!(write!(f, "(len: {}; ", self.length()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/packed_actions.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |             try!(write!(f, "{},", val));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/player.rs:154:17
[INFO] [stdout]     |
[INFO] [stdout] 154 |     mut p1: Box<Player>,
[INFO] [stdout]     |                 ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/player.rs:155:17
[INFO] [stdout]     |
[INFO] [stdout] 155 |     mut p2: Box<Player>,
[INFO] [stdout]     |                 ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:128:23
[INFO] [stdout]     |
[INFO] [stdout] 128 |             p1 as Box<Player>,
[INFO] [stdout]     |                       ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:129:23
[INFO] [stdout]     |
[INFO] [stdout] 129 |             p2 as Box<Player>,
[INFO] [stdout]     |                       ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mancala`
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "e7e8fa0b77c707ddd7b5c9a3617603a2327809de82bb05012d2a0e5cb18d2029", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7e8fa0b77c707ddd7b5c9a3617603a2327809de82bb05012d2a0e5cb18d2029", kill_on_drop: false }`
[INFO] [stdout] e7e8fa0b77c707ddd7b5c9a3617603a2327809de82bb05012d2a0e5cb18d2029
