[INFO] cloning repository https://github.com/hybras/Connect-4-AI [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hybras/Connect-4-AI" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhybras%2FConnect-4-AI", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhybras%2FConnect-4-AI'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4b8ce25ddc1ed68040bd876720f301198d716b82 [INFO] checking hybras/Connect-4-AI against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhybras%2FConnect-4-AI" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hybras/Connect-4-AI on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hybras/Connect-4-AI [INFO] finished tweaking git repo https://github.com/hybras/Connect-4-AI [INFO] tweaked toml for git repo https://github.com/hybras/Connect-4-AI written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/hybras/Connect-4-AI already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8cb71659ee7abd6f397388ada1aa3991f8a66bdcaaea269daaa2822cd6c040c1 [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" "8cb71659ee7abd6f397388ada1aa3991f8a66bdcaaea269daaa2822cd6c040c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8cb71659ee7abd6f397388ada1aa3991f8a66bdcaaea269daaa2822cd6c040c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8cb71659ee7abd6f397388ada1aa3991f8a66bdcaaea269daaa2822cd6c040c1", kill_on_drop: false }` [INFO] [stdout] 8cb71659ee7abd6f397388ada1aa3991f8a66bdcaaea269daaa2822cd6c040c1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e754cb6b866566f288ba4b62d268b941742045eda7ef7765160988807e8bc8ac [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" "e754cb6b866566f288ba4b62d268b941742045eda7ef7765160988807e8bc8ac", kill_on_drop: false }` [INFO] [stderr] Compiling anyhow v1.0.32 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking radium v0.3.0 [INFO] [stderr] Checking bitvec v0.17.4 [INFO] [stderr] Checking connect-4-ai v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `BitBoard` [INFO] [stdout] --> src/state.rs:127:27 [INFO] [stdout] | [INFO] [stdout] 127 | use super::{AltBitBoard, BitBoard, Board, FlatBoard}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `Enumerate>` in the current scope [INFO] [stdout] --> src/state/alt_bit_board.rs:86:7 [INFO] [stdout] | [INFO] [stdout] 86 | .fold_first(|(_, a), (idx_b, mut b)| { [INFO] [stdout] | ^^^^^^^^^^ method not found in `Enumerate>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `Enumerate>` in the current scope [INFO] [stdout] --> src/state/alt_bit_board.rs:86:7 [INFO] [stdout] | [INFO] [stdout] 86 | .fold_first(|(_, a), (idx_b, mut b)| { [INFO] [stdout] | ^^^^^^^^^^ method not found in `Enumerate>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stderr] error: could not compile `connect-4-ai` [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] error: build failed [INFO] running `Command { std: "docker" "inspect" "e754cb6b866566f288ba4b62d268b941742045eda7ef7765160988807e8bc8ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e754cb6b866566f288ba4b62d268b941742045eda7ef7765160988807e8bc8ac", kill_on_drop: false }` [INFO] [stdout] e754cb6b866566f288ba4b62d268b941742045eda7ef7765160988807e8bc8ac