[INFO] cloning repository https://github.com/adrienball/2048-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adrienball/2048-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadrienball%2F2048-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadrienball%2F2048-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ba9616492f1a9b89b075d5690b04096f8b32a7a6
[INFO] testing adrienball/2048-rs against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadrienball%2F2048-rs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adrienball/2048-rs 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 git repo https://github.com/adrienball/2048-rs
[INFO] finished tweaking git repo https://github.com/adrienball/2048-rs
[INFO] tweaked toml for git repo https://github.com/adrienball/2048-rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/adrienball/2048-rs already has a lockfile, it will not be regenerated
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded criterion-plot v0.4.2
[INFO] [stderr]   Downloaded criterion v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 209118233e65d41abe1d56cee4bd4327dff3ef28ac240dcbcfb5746928d4069a
[INFO] running `Command { std: "docker" "start" "-a" "209118233e65d41abe1d56cee4bd4327dff3ef28ac240dcbcfb5746928d4069a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "209118233e65d41abe1d56cee4bd4327dff3ef28ac240dcbcfb5746928d4069a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "209118233e65d41abe1d56cee4bd4327dff3ef28ac240dcbcfb5746928d4069a", kill_on_drop: false }`
[INFO] [stdout] 209118233e65d41abe1d56cee4bd4327dff3ef28ac240dcbcfb5746928d4069a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 036c7a86b29682daa2465408f606c0648440d6e0bf53bc3f3a01f8832b2de6f5
[INFO] running `Command { std: "docker" "start" "-a" "036c7a86b29682daa2465408f606c0648440d6e0bf53bc3f3a01f8832b2de6f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling termion v1.5.5
[INFO] [stderr]    Compiling clap v2.33.0
[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 play-2048 v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.38s
[INFO] running `Command { std: "docker" "inspect" "036c7a86b29682daa2465408f606c0648440d6e0bf53bc3f3a01f8832b2de6f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "036c7a86b29682daa2465408f606c0648440d6e0bf53bc3f3a01f8832b2de6f5", kill_on_drop: false }`
[INFO] [stdout] 036c7a86b29682daa2465408f606c0648440d6e0bf53bc3f3a01f8832b2de6f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] ed940efb6cb4faa3f819024c5592964f9caa4f42691ef40da10f9d65c46f946c
[INFO] running `Command { std: "docker" "start" "-a" "ed940efb6cb4faa3f819024c5592964f9caa4f42691ef40da10f9d65c46f946c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling oorandom v11.1.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling criterion-plot v0.4.2
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling plotters v0.2.12
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling bstr v0.2.12
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling tinytemplate v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling criterion v0.3.2
[INFO] [stderr]    Compiling play-2048 v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 16.35s
[INFO] running `Command { std: "docker" "inspect" "ed940efb6cb4faa3f819024c5592964f9caa4f42691ef40da10f9d65c46f946c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed940efb6cb4faa3f819024c5592964f9caa4f42691ef40da10f9d65c46f946c", kill_on_drop: false }`
[INFO] [stdout] ed940efb6cb4faa3f819024c5592964f9caa4f42691ef40da10f9d65c46f946c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] d545d942846329bcfe39466c342491cd81a2112f21bf4bbe62e49cefed6b5058
[INFO] running `Command { std: "docker" "start" "-a" "d545d942846329bcfe39466c342491cd81a2112f21bf4bbe62e49cefed6b5058", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2m 53s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/play_2048-6cecf2bd53b4138b)
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test board::tests::should_convert_vec_to_board ... ok
[INFO] [stdout] test board::tests::should_count_distinct_tiles ... ok
[INFO] [stdout] test board::tests::should_get_empty_tiles ... ok
[INFO] [stdout] test board::tests::should_count_empty_tiles ... ok
[INFO] [stdout] test board::tests::should_get_columns ... ok
[INFO] [stdout] test board::tests::should_get_value ... ok
[INFO] [stdout] test board::tests::should_get_max_value ... ok
[INFO] [stdout] test board::tests::should_iterate_over_exponents ... ok
[INFO] [stdout] test board::tests::should_display_board_for_debug ... ok
[INFO] [stdout] test board::tests::should_get_exponent_value ... ok
[INFO] [stdout] test board::tests::should_get_rows ... ok
[INFO] [stdout] test board::tests::should_display_board ... ok
[INFO] [stdout] test board::tests::should_set_value_by_exponent ... ok
[INFO] [stdout] test evaluators::tests::test_empty_tile_evaluator ... ok
[INFO] [stdout] test evaluators::tests::test_combined_evaluator ... ok
[INFO] [stdout] test evaluators::tests::test_monotonicity_evaluator ... ok
[INFO] [stdout] test board::tests::should_use_binary_representation ... ok
[INFO] [stdout] test board::tests::should_set_value ... ok
[INFO] [stdout] test evaluators::tests::test_alignment_evaluator ... ok
[INFO] [stdout] test utils::tests::should_get_left_move ... ok
[INFO] [stdout] test utils::tests::should_get_right_move ... ok
[INFO] [stdout] test utils::tests::should_set_value_in_row ... ok
[INFO] [stdout] test utils::tests::should_invert_row ... ok
[INFO] [stdout] test board::tests::should_move_left ... ok
[INFO] [stdout] test board::tests::should_move_up ... ok
[INFO] [stdout] test evaluators::tests::test_precomputed_inversion_evaluator ... ok
[INFO] [stdout] test board::tests::should_move_with_high_values ... ok
[INFO] [stdout] test board::tests::should_move_right ... ok
[INFO] [stdout] test board::tests::should_move_down ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/play_2048-e25779a9577d58fd)
[INFO] [stdout] test solver::tests::test_next_best_move ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test board::tests::should_convert_vec_to_board ... ok
[INFO] [stdout] test board::tests::should_count_distinct_tiles ... ok
[INFO] [stdout] test board::tests::should_get_max_value ... ok
[INFO] [stdout] test board::tests::should_get_columns ... ok
[INFO] [stdout] test board::tests::should_get_empty_tiles ... ok
[INFO] [stdout] test board::tests::should_get_rows ... ok
[INFO] [stdout] test utils::tests::should_invert_row ... ok
[INFO] [stdout] test board::tests::should_count_empty_tiles ... ok
[INFO] [stdout] test board::tests::should_get_exponent_value ... ok
[INFO] [stdout] test board::tests::should_set_value_by_exponent ... ok
[INFO] [stdout] test evaluators::tests::test_alignment_evaluator ... ok
[INFO] [stdout] test utils::tests::should_set_value_in_row ... ok
[INFO] [stdout] test evaluators::tests::test_combined_evaluator ... ok
[INFO] [stdout] test evaluators::tests::test_empty_tile_evaluator ... ok
[INFO] [stdout] test board::tests::should_iterate_over_exponents ... ok
[INFO] [stdout] test board::tests::should_display_board ... ok
[INFO] [stdout] test board::tests::should_set_value ... ok
[INFO] [stdout] test board::tests::should_display_board_for_debug ... ok
[INFO] [stdout] test utils::tests::should_get_right_move ... ok
[INFO] [stdout] test evaluators::tests::test_monotonicity_evaluator ... ok
[INFO] [stdout] test board::tests::should_use_binary_representation ... ok
[INFO] [stdout] test board::tests::should_get_value ... ok
[INFO] [stdout] test utils::tests::should_get_left_move ... ok
[INFO] [stderr]    Doc-tests play-2048
[INFO] [stdout] test evaluators::tests::test_precomputed_inversion_evaluator ... ok
[INFO] [stdout] test board::tests::should_move_left ... ok
[INFO] [stdout] test board::tests::should_move_up ... ok
[INFO] [stdout] test board::tests::should_move_right ... ok
[INFO] [stdout] test board::tests::should_move_with_high_values ... ok
[INFO] [stdout] test board::tests::should_move_down ... ok
[INFO] [stdout] test solver::tests::test_next_best_move ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d545d942846329bcfe39466c342491cd81a2112f21bf4bbe62e49cefed6b5058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d545d942846329bcfe39466c342491cd81a2112f21bf4bbe62e49cefed6b5058", kill_on_drop: false }`
[INFO] [stdout] d545d942846329bcfe39466c342491cd81a2112f21bf4bbe62e49cefed6b5058