[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 master#03eb45452305f2d52348279d0caa5fc1f12c438d for pr-138176 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhybras%2FConnect-4-AI" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hybras/Connect-4-AI on toolchain 03eb45452305f2d52348279d0caa5fc1f12c438d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "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-3-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2e49544479b5b71b4d6c8135b12cfc30d984785d67a46d9c6178c3e3204d7580 [INFO] running `Command { std: "docker" "start" "-a" "2e49544479b5b71b4d6c8135b12cfc30d984785d67a46d9c6178c3e3204d7580", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2e49544479b5b71b4d6c8135b12cfc30d984785d67a46d9c6178c3e3204d7580", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e49544479b5b71b4d6c8135b12cfc30d984785d67a46d9c6178c3e3204d7580", kill_on_drop: false }` [INFO] [stdout] 2e49544479b5b71b4d6c8135b12cfc30d984785d67a46d9c6178c3e3204d7580 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dd4097100b0a32a75112809dd02dcc42655770e81372df15d3386299f5e26b1c [INFO] running `Command { std: "docker" "start" "-a" "dd4097100b0a32a75112809dd02dcc42655770e81372df15d3386299f5e26b1c", 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: `self::hist_board::HistBoard` [INFO] [stdout] --> src/state.rs:123:9 [INFO] [stdout] | [INFO] [stdout] 123 | pub use self::hist_board::HistBoard; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [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] [INFO] [stdout] warning: the feature `iterator_fold_self` has been stable since 1.51.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(iterator_fold_self)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::alt_bit_board::AltBitBoard` [INFO] [stdout] --> src/state.rs:120:9 [INFO] [stdout] | [INFO] [stdout] 120 | pub use self::alt_bit_board::AltBitBoard; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::flat_board::FlatBoard` [INFO] [stdout] --> src/state.rs:122:9 [INFO] [stdout] | [INFO] [stdout] 122 | pub use self::flat_board::FlatBoard; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::hist_board::HistBoard` [INFO] [stdout] --> src/state.rs:123:9 [INFO] [stdout] | [INFO] [stdout] 123 | pub use self::hist_board::HistBoard; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `iterator_fold_self` has been stable since 1.51.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(iterator_fold_self)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` 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] 83 | if pieces_loop [INFO] [stdout] | ____________________- [INFO] [stdout] 84 | | .into_iter() [INFO] [stdout] 85 | | .enumerate() [INFO] [stdout] 86 | | .fold_first(|(_, a), (idx_b, mut b)| { [INFO] [stdout] | | -^^^^^^^^^^ method not found in `Enumerate>` [INFO] [stdout] | |_____________________| [INFO] [stdout] | [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] 83 | if pieces_loop [INFO] [stdout] | ____________________- [INFO] [stdout] 84 | | .into_iter() [INFO] [stdout] 85 | | .enumerate() [INFO] [stdout] 86 | | .fold_first(|(_, a), (idx_b, mut b)| { [INFO] [stdout] | | -^^^^^^^^^^ method not found in `Enumerate>` [INFO] [stdout] | |_____________________| [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [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` (bin "connect-4-ai" test) due to 1 previous error; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `connect-4-ai` (bin "connect-4-ai") due to 1 previous error; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "dd4097100b0a32a75112809dd02dcc42655770e81372df15d3386299f5e26b1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd4097100b0a32a75112809dd02dcc42655770e81372df15d3386299f5e26b1c", kill_on_drop: false }` [INFO] [stdout] dd4097100b0a32a75112809dd02dcc42655770e81372df15d3386299f5e26b1c