[INFO] cloning repository https://github.com/jalpert/rust-chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jalpert/rust-chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjalpert%2Frust-chess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjalpert%2Frust-chess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bdaee32911fd080c03bfb878539f4a701f15af58
[INFO] testing jalpert/rust-chess against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjalpert%2Frust-chess" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jalpert/rust-chess on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jalpert/rust-chess
[INFO] finished tweaking git repo https://github.com/jalpert/rust-chess
[INFO] tweaked toml for git repo https://github.com/jalpert/rust-chess written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/jalpert/rust-chess already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c32cebf67217e031ca440706722219e92d01334b499b24beb713c0d63eba94ef
[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" "c32cebf67217e031ca440706722219e92d01334b499b24beb713c0d63eba94ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c32cebf67217e031ca440706722219e92d01334b499b24beb713c0d63eba94ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c32cebf67217e031ca440706722219e92d01334b499b24beb713c0d63eba94ef", kill_on_drop: false }`
[INFO] [stdout] c32cebf67217e031ca440706722219e92d01334b499b24beb713c0d63eba94ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2c01645d4db85313b07329416815bfbe80cc6de4289e2c87fc4bf07ef812e7a
[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" "e2c01645d4db85313b07329416815bfbe80cc6de4289e2c87fc4bf07ef812e7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `empty`
[INFO] [stdout]   --> src/board/factory.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn empty(player: Color, turn_no: u8) -> Board {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.56s
[INFO] running `Command { std: "docker" "inspect" "e2c01645d4db85313b07329416815bfbe80cc6de4289e2c87fc4bf07ef812e7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2c01645d4db85313b07329416815bfbe80cc6de4289e2c87fc4bf07ef812e7a", kill_on_drop: false }`
[INFO] [stdout] e2c01645d4db85313b07329416815bfbe80cc6de4289e2c87fc4bf07ef812e7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3676dcb89c58051a01b16ff84bf7f4df85fc8637ddb963b15884c399bc285954
[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" "3676dcb89c58051a01b16ff84bf7f4df85fc8637ddb963b15884c399bc285954", kill_on_drop: false }`
[INFO] [stderr]    Compiling chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.84s
[INFO] running `Command { std: "docker" "inspect" "3676dcb89c58051a01b16ff84bf7f4df85fc8637ddb963b15884c399bc285954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3676dcb89c58051a01b16ff84bf7f4df85fc8637ddb963b15884c399bc285954", kill_on_drop: false }`
[INFO] [stdout] 3676dcb89c58051a01b16ff84bf7f4df85fc8637ddb963b15884c399bc285954
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b793b25cd9cae5120e73832727f86f1971ca85725503c2432ce120c213c77b8d
[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" "b793b25cd9cae5120e73832727f86f1971ca85725503c2432ce120c213c77b8d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/chess-6382f6261e082976
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test board::check::tests::integration_test ... ok
[INFO] [stdout] test board::check::tests::test_diagonal_check ... ok
[INFO] [stdout] test board::check::tests::test_horizonal_check ... ok
[INFO] [stdout] test board::check::tests::test_num_checking ... ok
[INFO] [stdout] test board::check::tests::test_knights_check ... ok
[INFO] [stdout] test board::check::tests::test_kings_check ... ok
[INFO] [stdout] test board::check::tests::test_pawns_check_black ... ok
[INFO] [stdout] test board::path::tests::diagonal_decreasing_decreasing ... ok
[INFO] [stdout] test board::check::tests::test_vertical_check ... ok
[INFO] [stdout] test board::check::tests::test_pinning_double ... ok
[INFO] [stdout] test board::path::tests::diagonal_decreasing_increasing ... ok
[INFO] [stdout] test board::check::tests::test_pinning_single ... ok
[INFO] [stdout] test board::check::tests::test_pawns_check_white ... ok
[INFO] [stdout] test board::path::tests::diagonal_increasing_decreasing ... ok
[INFO] [stdout] test board::path::tests::diagonal_increasing_increasing ... ok
[INFO] [stdout] test board::path::tests::diagonal_not_diagonal ... ok
[INFO] [stdout] test board::path::tests::test_diagonal_path ... ok
[INFO] [stdout] test board::tests::test_find_pieces ... ok
[INFO] [stdout] test board::path::tests::test_directed_path ... ok
[INFO] [stdout] test board::tests::test_find_king ... ok
[INFO] [stdout] test board::path::tests::empty_rows_are_clear ... ok
[INFO] [stdout] test board::path::tests::occupied_rows_are_not_clear ... ok
[INFO] [stdout] test board::path::tests::pawns_have_clear_paths ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b793b25cd9cae5120e73832727f86f1971ca85725503c2432ce120c213c77b8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b793b25cd9cae5120e73832727f86f1971ca85725503c2432ce120c213c77b8d", kill_on_drop: false }`
[INFO] [stdout] b793b25cd9cae5120e73832727f86f1971ca85725503c2432ce120c213c77b8d