[INFO] cloning repository https://github.com/tessereth/kalaha-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tessereth/kalaha-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftessereth%2Fkalaha-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftessereth%2Fkalaha-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 513b7a276828fa661b98170a5eba3a0172e3c792
[INFO] checking tessereth/kalaha-rust against master#e22b61bff0bdd08be7665607cb7be3748c8a35d2 for pr-74627
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftessereth%2Fkalaha-rust" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tessereth/kalaha-rust on toolchain e22b61bff0bdd08be7665607cb7be3748c8a35d2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tessereth/kalaha-rust
[INFO] finished tweaking git repo https://github.com/tessereth/kalaha-rust
[INFO] tweaked toml for git repo https://github.com/tessereth/kalaha-rust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/tessereth/kalaha-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] adc923cafcbe90376367e5cf5bff613f3c788d544e3f38881c6c025e14937b44
[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" "adc923cafcbe90376367e5cf5bff613f3c788d544e3f38881c6c025e14937b44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adc923cafcbe90376367e5cf5bff613f3c788d544e3f38881c6c025e14937b44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adc923cafcbe90376367e5cf5bff613f3c788d544e3f38881c6c025e14937b44", kill_on_drop: false }`
[INFO] [stdout] adc923cafcbe90376367e5cf5bff613f3c788d544e3f38881c6c025e14937b44
[INFO] running `Command { std: "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54723f41412e1ddc5506506a2d65e3621453760ad435587361ad9eaa08e5fdd7
[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" "54723f41412e1ddc5506506a2d65e3621453760ad435587361ad9eaa08e5fdd7", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking clap v2.29.0
[INFO] [stderr]     Checking kalaha v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/kalaha/mod.rs:56:46
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn play(&mut self, ai_player_a: &Box<ai::AI>, ai_player_b: &Box<ai::AI>, verbose: bool) -> &GameResult
[INFO] [stdout]    |                                              ^^^^^^ help: use `dyn`: `dyn ai::AI`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/kalaha/mod.rs:56:73
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn play(&mut self, ai_player_a: &Box<ai::AI>, ai_player_b: &Box<ai::AI>, verbose: bool) -> &GameResult
[INFO] [stdout]    |                                                                         ^^^^^^ help: use `dyn`: `dyn ai::AI`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/kalaha/mod.rs:56:46
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn play(&mut self, ai_player_a: &Box<ai::AI>, ai_player_b: &Box<ai::AI>, verbose: bool) -> &GameResult
[INFO] [stdout]    |                                              ^^^^^^ help: use `dyn`: `dyn ai::AI`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/kalaha/mod.rs:56:73
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn play(&mut self, ai_player_a: &Box<ai::AI>, ai_player_b: &Box<ai::AI>, verbose: bool) -> &GameResult
[INFO] [stdout]    |                                                                         ^^^^^^ help: use `dyn`: `dyn ai::AI`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/main.rs:8:56
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn ai_from_arg(name: &str, depth: Option<&str>) -> Box<ai::AI> {
[INFO] [stdout]   |                                                        ^^^^^^ help: use `dyn`: `dyn ai::AI`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/main.rs:8:56
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn ai_from_arg(name: &str, depth: Option<&str>) -> Box<ai::AI> {
[INFO] [stdout]   |                                                        ^^^^^^ help: use `dyn`: `dyn ai::AI`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.92s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "54723f41412e1ddc5506506a2d65e3621453760ad435587361ad9eaa08e5fdd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54723f41412e1ddc5506506a2d65e3621453760ad435587361ad9eaa08e5fdd7", kill_on_drop: false }`
[INFO] [stdout] 54723f41412e1ddc5506506a2d65e3621453760ad435587361ad9eaa08e5fdd7