[INFO] cloning repository https://github.com/tvallotton/chess [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tvallotton/chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftvallotton%2Fchess", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftvallotton%2Fchess'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 98b01208e95173388cf4f781cc83bb414bb3bf55 [INFO] checking tvallotton/chess against try#ea2bf32540662c61547071aad6cf0851a0b02f58 for pr-96376 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftvallotton%2Fchess" "/workspace/builds/worker-62/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-62/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tvallotton/chess on toolchain ea2bf32540662c61547071aad6cf0851a0b02f58 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ea2bf32540662c61547071aad6cf0851a0b02f58" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tvallotton/chess [INFO] finished tweaking git repo https://github.com/tvallotton/chess [INFO] tweaked toml for git repo https://github.com/tvallotton/chess written to /workspace/builds/worker-62/source/Cargo.toml [INFO] crate git repo https://github.com/tvallotton/chess already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ea2bf32540662c61547071aad6cf0851a0b02f58" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+ea2bf32540662c61547071aad6cf0851a0b02f58" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d6a5427bc326d73de20b3c62df72c86f166e05e153dc2f60b2fceffe01bfe820 [INFO] running `Command { std: "docker" "start" "-a" "d6a5427bc326d73de20b3c62df72c86f166e05e153dc2f60b2fceffe01bfe820", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d6a5427bc326d73de20b3c62df72c86f166e05e153dc2f60b2fceffe01bfe820", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6a5427bc326d73de20b3c62df72c86f166e05e153dc2f60b2fceffe01bfe820", kill_on_drop: false }` [INFO] [stdout] d6a5427bc326d73de20b3c62df72c86f166e05e153dc2f60b2fceffe01bfe820 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+ea2bf32540662c61547071aad6cf0851a0b02f58" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f420d312ce19910b05573cea968674baaf80fa5ffaf47587d355c8388bcb0a68 [INFO] running `Command { std: "docker" "start" "-a" "f420d312ce19910b05573cea968674baaf80fa5ffaf47587d355c8388bcb0a68", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.37 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling syn v1.0.91 [INFO] [stderr] Compiling libc v0.2.124 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling unicode-segmentation v1.9.0 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Checking once_cell v1.10.0 [INFO] [stderr] Checking tap v1.0.1 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Checking tinyvec v1.5.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking chess v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::collections::BinaryHeap` [INFO] [stdout] --> src/minimax.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::collections::BinaryHeap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Color::*` [INFO] [stdout] --> src/minimax.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use Color::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::default` [INFO] [stdout] --> src/opt.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::default; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Color::*` [INFO] [stdout] --> src/start_board.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use Color::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Kind::*` [INFO] [stdout] --> src/start_board.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use Kind::*; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::settings::*` [INFO] [stdout] --> src/table.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::settings::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::BinaryHeap` [INFO] [stdout] --> src/minimax.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::collections::BinaryHeap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Color::*` [INFO] [stdout] --> src/minimax.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use Color::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::default` [INFO] [stdout] --> src/opt.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::default; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Color::*` [INFO] [stdout] --> src/start_board.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use Color::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Kind::*` [INFO] [stdout] --> src/start_board.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use Kind::*; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::settings::*` [INFO] [stdout] --> src/table.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::settings::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `options` [INFO] [stdout] --> src/main.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let options = opt::Opt::from_args(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rough_estimate` [INFO] [stdout] --> src/minimax.rs:77:13 [INFO] [stdout] | [INFO] [stdout] 77 | let rough_estimate = player_score - opponent_score; [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rough_estimate` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `options` [INFO] [stdout] --> src/main.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let options = opt::Opt::from_args(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rough_estimate` [INFO] [stdout] --> src/minimax.rs:77:13 [INFO] [stdout] | [INFO] [stdout] 77 | let rough_estimate = player_score - opponent_score; [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rough_estimate` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 49s [INFO] running `Command { std: "docker" "inspect" "f420d312ce19910b05573cea968674baaf80fa5ffaf47587d355c8388bcb0a68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f420d312ce19910b05573cea968674baaf80fa5ffaf47587d355c8388bcb0a68", kill_on_drop: false }` [INFO] [stdout] f420d312ce19910b05573cea968674baaf80fa5ffaf47587d355c8388bcb0a68