[INFO] cloning repository https://github.com/narpfel/mcc4-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/narpfel/mcc4-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnarpfel%2Fmcc4-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnarpfel%2Fmcc4-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2351bac6c7fef78528501ff5995c7447f88caeb2
[INFO] testing narpfel/mcc4-rs against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnarpfel%2Fmcc4-rs" "/workspace/builds/worker-101/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-101/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/narpfel/mcc4-rs on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/narpfel/mcc4-rs
[INFO] finished tweaking git repo https://github.com/narpfel/mcc4-rs
[INFO] tweaked toml for git repo https://github.com/narpfel/mcc4-rs written to /workspace/builds/worker-101/source/Cargo.toml
[INFO] crate git repo https://github.com/narpfel/mcc4-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2512ec46a5a326fd0a569ea02d3fe0c17ea768e972de204077b085d237a8443f
[INFO] running `Command { std: "docker" "start" "-a" "2512ec46a5a326fd0a569ea02d3fe0c17ea768e972de204077b085d237a8443f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2512ec46a5a326fd0a569ea02d3fe0c17ea768e972de204077b085d237a8443f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2512ec46a5a326fd0a569ea02d3fe0c17ea768e972de204077b085d237a8443f", kill_on_drop: false }`
[INFO] [stdout] 2512ec46a5a326fd0a569ea02d3fe0c17ea768e972de204077b085d237a8443f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5577122e16fc61ead40167458b9f3770c7f41a1e219941500e179347e6f1d22
[INFO] running `Command { std: "docker" "start" "-a" "b5577122e16fc61ead40167458b9f3770c7f41a1e219941500e179347e6f1d22", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling autocfg v0.1.1
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.4
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling num_cpus v1.9.0
[INFO] [stderr]    Compiling rand_os v0.1.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling env_logger v0.6.0
[INFO] [stderr]    Compiling mcc4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/game.rs:24:36
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn iter(self, players: Vec<Box<PlayerTrait<Game=Self>>>) -> Moves<Self> {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PlayerTrait<Game=Self>`
[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/game.rs:32:22
[INFO] [stdout]    |
[INFO] [stdout] 32 |     players: Vec<Box<PlayerTrait<Game=G>>>,
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PlayerTrait<Game=G>`
[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/game.rs:37:38
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn new(game: G, players: Vec<Box<PlayerTrait<Game=G>>>) -> Moves<G> {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PlayerTrait<Game=G>`
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:10:30
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut players: Vec<Box<PlayerTrait<Game=_>>> = vec![Box::new(human_player), Box::new(ai_player)];
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PlayerTrait<Game=_>`
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.37s
[INFO] running `Command { std: "docker" "inspect" "b5577122e16fc61ead40167458b9f3770c7f41a1e219941500e179347e6f1d22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5577122e16fc61ead40167458b9f3770c7f41a1e219941500e179347e6f1d22", kill_on_drop: false }`
[INFO] [stdout] b5577122e16fc61ead40167458b9f3770c7f41a1e219941500e179347e6f1d22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcc5187859d701b41ef1627077dfec847c7a18d93ced5be15aa56dd19fe94881
[INFO] running `Command { std: "docker" "start" "-a" "fcc5187859d701b41ef1627077dfec847c7a18d93ced5be15aa56dd19fe94881", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mcc4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/game.rs:24:36
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn iter(self, players: Vec<Box<PlayerTrait<Game=Self>>>) -> Moves<Self> {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PlayerTrait<Game=Self>`
[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/game.rs:32:22
[INFO] [stdout]    |
[INFO] [stdout] 32 |     players: Vec<Box<PlayerTrait<Game=G>>>,
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PlayerTrait<Game=G>`
[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/game.rs:37:38
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn new(game: G, players: Vec<Box<PlayerTrait<Game=G>>>) -> Moves<G> {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PlayerTrait<Game=G>`
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:10:30
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut players: Vec<Box<PlayerTrait<Game=_>>> = vec![Box::new(human_player), Box::new(ai_player)];
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PlayerTrait<Game=_>`
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/game.rs:24:36
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn iter(self, players: Vec<Box<PlayerTrait<Game=Self>>>) -> Moves<Self> {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PlayerTrait<Game=Self>`
[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/game.rs:32:22
[INFO] [stdout]    |
[INFO] [stdout] 32 |     players: Vec<Box<PlayerTrait<Game=G>>>,
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PlayerTrait<Game=G>`
[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/game.rs:37:38
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn new(game: G, players: Vec<Box<PlayerTrait<Game=G>>>) -> Moves<G> {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PlayerTrait<Game=G>`
[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:10:30
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut players: Vec<Box<PlayerTrait<Game=_>>> = vec![Box::new(human_player), Box::new(ai_player)];
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PlayerTrait<Game=_>`
[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] error[E0061]: this function takes 3 arguments but 2 arguments were supplied
[INFO] [stdout]    --> src/ai_player.rs:296:18
[INFO] [stdout]     |
[INFO] [stdout] 296 |             tree.step(game.current_player(), game.clone());
[INFO] [stdout]     |                  ^^^^ ---------------------  ------------ supplied 2 arguments
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  expected 3 arguments
[INFO] [stdout]     |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> src/ai_player.rs:216:8
[INFO] [stdout]     |
[INFO] [stdout] 216 |     fn step(&mut self, me: Player, mut game: G, rng: &mut impl Rng) -> Option<Player> {
[INFO] [stdout]     |        ^^^^ ---------  ----------  -----------  ------------------
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mcc4`
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fcc5187859d701b41ef1627077dfec847c7a18d93ced5be15aa56dd19fe94881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcc5187859d701b41ef1627077dfec847c7a18d93ced5be15aa56dd19fe94881", kill_on_drop: false }`
[INFO] [stdout] fcc5187859d701b41ef1627077dfec847c7a18d93ced5be15aa56dd19fe94881
