[INFO] updating cached repository https://github.com/narpfel/mcc4-rs
[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] 2351bac6c7fef78528501ff5995c7447f88caeb2
[INFO] checking narpfel/mcc4-rs against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnarpfel%2Fmcc4-rs" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/narpfel/mcc4-rs on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-7/source/Cargo.toml
[INFO] crate git repo https://github.com/narpfel/mcc4-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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] 61a2f0a8f91644d34e9265c1338110549e4535d6d0b8772b265cf9d0a213b913
[INFO] running `"docker" "start" "-a" "61a2f0a8f91644d34e9265c1338110549e4535d6d0b8772b265cf9d0a213b913"`
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]     Checking env_logger v0.6.0
[INFO] [stderr]     Checking mcc4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/game.rs:24:36
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn iter(self, players: Vec<Box<PlayerTrait<Game=Self>>>) -> Moves<Self> {
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PlayerTrait<Game=Self>`
[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/game.rs:32:22
[INFO] [stderr]    |
[INFO] [stderr] 32 |     players: Vec<Box<PlayerTrait<Game=G>>>,
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PlayerTrait<Game=G>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/game.rs:37:38
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn new(game: G, players: Vec<Box<PlayerTrait<Game=G>>>) -> Moves<G> {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PlayerTrait<Game=G>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/game.rs:24:36
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn iter(self, players: Vec<Box<PlayerTrait<Game=Self>>>) -> Moves<Self> {
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PlayerTrait<Game=Self>`
[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/game.rs:32:22
[INFO] [stderr]    |
[INFO] [stderr] 32 |     players: Vec<Box<PlayerTrait<Game=G>>>,
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PlayerTrait<Game=G>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/game.rs:37:38
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn new(game: G, players: Vec<Box<PlayerTrait<Game=G>>>) -> Moves<G> {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PlayerTrait<Game=G>`
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 3 arguments but 2 arguments were supplied
[INFO] [stderr]    --> src/ai_player.rs:296:18
[INFO] [stderr]     |
[INFO] [stderr] 216 |     fn step(&mut self, me: Player, mut game: G, rng: &mut impl Rng) -> Option<Player> {
[INFO] [stderr]     |     --------------------------------------------------------------------------------- defined here
[INFO] [stderr] ...
[INFO] [stderr] 296 |             tree.step(game.current_player(), game.clone());
[INFO] [stderr]     |                  ^^^^ ---------------------  ------------ supplied 2 arguments
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  expected 3 arguments
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0061`.
[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] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "61a2f0a8f91644d34e9265c1338110549e4535d6d0b8772b265cf9d0a213b913"`
[INFO] running `"docker" "rm" "-f" "61a2f0a8f91644d34e9265c1338110549e4535d6d0b8772b265cf9d0a213b913"`
[INFO] [stdout] 61a2f0a8f91644d34e9265c1338110549e4535d6d0b8772b265cf9d0a213b913