[INFO] cloning repository https://github.com/data-pup/rust-conway
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/data-pup/rust-conway" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdata-pup%2Frust-conway", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdata-pup%2Frust-conway'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 14f641e7f2793326113a9713678db0a7a56d67fb
[INFO] checking data-pup/rust-conway against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdata-pup%2Frust-conway" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/data-pup/rust-conway on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/data-pup/rust-conway
[INFO] finished tweaking git repo https://github.com/data-pup/rust-conway
[INFO] tweaked toml for git repo https://github.com/data-pup/rust-conway written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/data-pup/rust-conway already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5f155ef969fd238aa9b431353e62fa7a498e1495b7373cebd1d67a57ac9bf75
[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" "b5f155ef969fd238aa9b431353e62fa7a498e1495b7373cebd1d67a57ac9bf75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5f155ef969fd238aa9b431353e62fa7a498e1495b7373cebd1d67a57ac9bf75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5f155ef969fd238aa9b431353e62fa7a498e1495b7373cebd1d67a57ac9bf75", kill_on_drop: false }`
[INFO] [stdout] b5f155ef969fd238aa9b431353e62fa7a498e1495b7373cebd1d67a57ac9bf75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cfbb5d79a40f44f24a611e38c078a283765308cb9985a86a31e1210846e34c5b
[INFO] running `Command { std: "docker" "start" "-a" "cfbb5d79a40f44f24a611e38c078a283765308cb9985a86a31e1210846e34c5b", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking rust-conway v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/board/validate.rs:25:51
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let b = Board { dims:dims.clone(), living:living.clone() };
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^
[INFO] [stdout]    |                                                   |
[INFO] [stdout]    |                                                   expected struct `Vec`, found `&[BoardPosition]`
[INFO] [stdout]    |                                                   help: try using a conversion method: `living.to_vec()`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Vec<BoardPosition>`
[INFO] [stdout]            found reference `&[BoardPosition]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/board/board_to_string.rs:42:51
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let b = Board { dims:dims.clone(), living:living.clone() };
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^
[INFO] [stdout]    |                                                   |
[INFO] [stdout]    |                                                   expected struct `Vec`, found `&[BoardPosition]`
[INFO] [stdout]    |                                                   help: try using a conversion method: `living.to_vec()`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Vec<BoardPosition>`
[INFO] [stdout]            found reference `&[BoardPosition]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-conway`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "cfbb5d79a40f44f24a611e38c078a283765308cb9985a86a31e1210846e34c5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfbb5d79a40f44f24a611e38c078a283765308cb9985a86a31e1210846e34c5b", kill_on_drop: false }`
[INFO] [stdout] cfbb5d79a40f44f24a611e38c078a283765308cb9985a86a31e1210846e34c5b