[INFO] fetching crate backgammon 0.4.0...
[INFO] testing backgammon-0.4.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate backgammon 0.4.0 into /workspace/builds/worker-44/source
[INFO] validating manifest of crates.io crate backgammon 0.4.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate backgammon 0.4.0
[INFO] finished tweaking crates.io crate backgammon 0.4.0
[INFO] tweaked toml for crates.io crate backgammon 0.4.0 written to /workspace/builds/worker-44/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbd0bc6971af0e811c34857ee47b8b17493beeb4e0aca4c632b5f4a5b57e37bf
[INFO] running `Command { std: "docker" "start" "-a" "bbd0bc6971af0e811c34857ee47b8b17493beeb4e0aca4c632b5f4a5b57e37bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbd0bc6971af0e811c34857ee47b8b17493beeb4e0aca4c632b5f4a5b57e37bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbd0bc6971af0e811c34857ee47b8b17493beeb4e0aca4c632b5f4a5b57e37bf", kill_on_drop: false }`
[INFO] [stdout] bbd0bc6971af0e811c34857ee47b8b17493beeb4e0aca4c632b5f4a5b57e37bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0763d4d5f3f4d68b227e9accd0b1e9c38c55da6c146ebf19860f81019eb1d8c1
[INFO] running `Command { std: "docker" "start" "-a" "0763d4d5f3f4d68b227e9accd0b1e9c38c55da6c146ebf19860f81019eb1d8c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling backgammon v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.33s
[INFO] running `Command { std: "docker" "inspect" "0763d4d5f3f4d68b227e9accd0b1e9c38c55da6c146ebf19860f81019eb1d8c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0763d4d5f3f4d68b227e9accd0b1e9c38c55da6c146ebf19860f81019eb1d8c1", kill_on_drop: false }`
[INFO] [stdout] 0763d4d5f3f4d68b227e9accd0b1e9c38c55da6c146ebf19860f81019eb1d8c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44481c21dc99aa71f36284c3d3db620e8294712d7e0a88748746afb35e4e7af4
[INFO] running `Command { std: "docker" "start" "-a" "44481c21dc99aa71f36284c3d3db620e8294712d7e0a88748746afb35e4e7af4", kill_on_drop: false }`
[INFO] [stderr]    Compiling backgammon v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "44481c21dc99aa71f36284c3d3db620e8294712d7e0a88748746afb35e4e7af4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44481c21dc99aa71f36284c3d3db620e8294712d7e0a88748746afb35e4e7af4", kill_on_drop: false }`
[INFO] [stdout] 44481c21dc99aa71f36284c3d3db620e8294712d7e0a88748746afb35e4e7af4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d7aee0faeea819cfc4f0ac240a2a1a9f317a547042c37f4c6cbbcd70a9acaa9f
[INFO] running `Command { std: "docker" "start" "-a" "d7aee0faeea819cfc4f0ac240a2a1a9f317a547042c37f4c6cbbcd70a9acaa9f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/backgammon-583e1f2c0d985aee)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test bg_game::tests::roll_test ... ok
[INFO] [stdout] test bg_match::tests::match_test_points1 ... ok
[INFO] [stdout] test tests::debug_cubeowner ... ok
[INFO] [stdout] test bg_match::tests::rule_test_beaver ... ok
[INFO] [stdout] test bg_match::tests::rule_test_holland ... ok
[INFO] [stdout] test tests::debug_match ... ok
[INFO] [stdout] test bg_match::tests::rule_test_murphy ... ok
[INFO] [stdout] test bg_match::tests::rule_test_crawford ... ok
[INFO] [stdout] test tests::debug_current_rules ... ok
[INFO] [stdout] test tests::debug_game ... ok
[INFO] [stdout] test bg_match::tests::match_test_points ... ok
[INFO] [stdout] test bg_match::tests::rule_test_jacoby ... ok
[INFO] [stdout] test bg_match::tests::rule_test_raccoon ... ok
[INFO] [stdout] test bg_statistics::tests::rule_stop ... ok
[INFO] [stdout] test bg_game::tests::roll_test_fair ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.81s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests backgammon
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/bg_match.rs - bg_match::Match::new (line 21) ... ok
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.70s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d7aee0faeea819cfc4f0ac240a2a1a9f317a547042c37f4c6cbbcd70a9acaa9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7aee0faeea819cfc4f0ac240a2a1a9f317a547042c37f4c6cbbcd70a9acaa9f", kill_on_drop: false }`
[INFO] [stdout] d7aee0faeea819cfc4f0ac240a2a1a9f317a547042c37f4c6cbbcd70a9acaa9f