[INFO] fetching crate play-2048 1.0.0... [INFO] testing play-2048-1.0.0 against beta-2021-01-01 for beta-1.50-1 [INFO] extracting crate play-2048 1.0.0 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate play-2048 1.0.0 on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate play-2048 1.0.0 [INFO] finished tweaking crates.io crate play-2048 1.0.0 [INFO] tweaked toml for crates.io crate play-2048 1.0.0 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate crates.io crate play-2048 1.0.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tinytemplate v1.0.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f90e3e6d5a4f0bc8f0344d38366518d884d4c5f0f8f9503517e2c15a92ca9738 [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" "f90e3e6d5a4f0bc8f0344d38366518d884d4c5f0f8f9503517e2c15a92ca9738", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f90e3e6d5a4f0bc8f0344d38366518d884d4c5f0f8f9503517e2c15a92ca9738", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f90e3e6d5a4f0bc8f0344d38366518d884d4c5f0f8f9503517e2c15a92ca9738", kill_on_drop: false }` [INFO] [stdout] f90e3e6d5a4f0bc8f0344d38366518d884d4c5f0f8f9503517e2c15a92ca9738 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0fadf3feaf316189aaae533edf1d84f02bd1b68c9325e7415ae20f31c14ebc09 [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" "0fadf3feaf316189aaae533edf1d84f02bd1b68c9325e7415ae20f31c14ebc09", 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 ppv-lite86 v0.2.6 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling numtoa v0.1.0 [INFO] [stderr] Compiling fnv v1.0.6 [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 23.11s [INFO] running `Command { std: "docker" "inspect" "0fadf3feaf316189aaae533edf1d84f02bd1b68c9325e7415ae20f31c14ebc09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0fadf3feaf316189aaae533edf1d84f02bd1b68c9325e7415ae20f31c14ebc09", kill_on_drop: false }` [INFO] [stdout] 0fadf3feaf316189aaae533edf1d84f02bd1b68c9325e7415ae20f31c14ebc09 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ccf50bf24bd25fd1ad0f93a61856df37ef59bc5809d4169c836134bb443a99ca [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" "ccf50bf24bd25fd1ad0f93a61856df37ef59bc5809d4169c836134bb443a99ca", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling ryu v1.0.4 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.18 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling regex-syntax v0.6.17 [INFO] [stderr] Compiling oorandom v11.1.0 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling walkdir v2.3.1 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling crossbeam-queue v0.2.1 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling regex v1.3.7 [INFO] [stderr] Compiling plotters v0.2.12 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling criterion-plot v0.4.2 [INFO] [stderr] Compiling rayon v1.3.0 [INFO] [stderr] Compiling bstr v0.2.12 [INFO] [stderr] Compiling serde_json v1.0.51 [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 57.11s [INFO] running `Command { std: "docker" "inspect" "ccf50bf24bd25fd1ad0f93a61856df37ef59bc5809d4169c836134bb443a99ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ccf50bf24bd25fd1ad0f93a61856df37ef59bc5809d4169c836134bb443a99ca", kill_on_drop: false }` [INFO] [stdout] ccf50bf24bd25fd1ad0f93a61856df37ef59bc5809d4169c836134bb443a99ca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f1e7e537637e678236103edc875ab730c47b76af5aff8607e5407548aae5eff0 [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" "f1e7e537637e678236103edc875ab730c47b76af5aff8607e5407548aae5eff0", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stdout] running 30 tests [INFO] [stderr] Running /opt/rustwide/target/debug/deps/play_2048-2f564e874ccc049b [INFO] [stdout] test board::tests::should_convert_vec_to_board ... ok [INFO] [stdout] test board::tests::should_display_board_for_debug ... ok [INFO] [stdout] test board::tests::should_get_columns ... ok [INFO] [stdout] test board::tests::should_display_board ... ok [INFO] [stdout] test board::tests::should_get_max_value ... ok [INFO] [stdout] test board::tests::should_get_exponent_value ... ok [INFO] [stdout] test board::tests::should_get_value ... ok [INFO] [stdout] test board::tests::should_iterate_over_exponents ... ok [INFO] [stdout] test board::tests::should_get_rows ... ok [INFO] [stdout] test evaluators::tests::test_combined_evaluator ... ok [INFO] [stdout] test evaluators::tests::test_alignment_evaluator ... 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 board::tests::should_count_empty_tiles ... ok [INFO] [stdout] test board::tests::should_get_empty_tiles ... ok [INFO] [stdout] test evaluators::tests::test_monotonicity_evaluator ... ok [INFO] [stdout] test board::tests::should_set_value ... ok [INFO] [stdout] test board::tests::should_use_binary_representation ... ok [INFO] [stdout] test utils::tests::should_get_left_move ... ok [INFO] [stdout] test utils::tests::should_invert_row ... ok [INFO] [stdout] test board::tests::should_count_distinct_tiles ... 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 board::tests::should_move_up ... ok [INFO] [stdout] test board::tests::should_move_left ... 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_down ... ok [INFO] [stdout] test board::tests::should_move_right ... ok [INFO] [stderr] Running /opt/rustwide/target/debug/deps/play_2048-e4921d085530e560 [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 0.08s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 30 tests [INFO] [stdout] test board::tests::should_get_rows ... ok [INFO] [stdout] test board::tests::should_count_empty_tiles ... ok [INFO] [stdout] test board::tests::should_get_empty_tiles ... ok [INFO] [stdout] test board::tests::should_get_columns ... ok [INFO] [stdout] test board::tests::should_get_max_value ... ok [INFO] [stdout] test board::tests::should_get_value ... ok [INFO] [stdout] test board::tests::should_convert_vec_to_board ... ok [INFO] [stdout] test board::tests::should_iterate_over_exponents ... ok [INFO] [stdout] test board::tests::should_set_value_by_exponent ... ok [INFO] [stdout] test board::tests::should_use_binary_representation ... ok [INFO] [stdout] test evaluators::tests::test_alignment_evaluator ... ok [INFO] [stdout] test board::tests::should_set_value ... ok [INFO] [stdout] test evaluators::tests::test_combined_evaluator ... ok [INFO] [stdout] test evaluators::tests::test_monotonicity_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_count_distinct_tiles ... ok [INFO] [stdout] test evaluators::tests::test_empty_tile_evaluator ... ok [INFO] [stdout] test board::tests::should_display_board_for_debug ... ok [INFO] [stdout] test board::tests::should_display_board ... ok [INFO] [stdout] test board::tests::should_get_exponent_value ... ok [INFO] [stdout] test evaluators::tests::test_precomputed_inversion_evaluator ... ok [INFO] [stdout] test board::tests::should_move_right ... ok [INFO] [stdout] test board::tests::should_move_down ... ok [INFO] [stdout] test board::tests::should_move_with_high_values ... ok [INFO] [stdout] test board::tests::should_move_left ... ok [INFO] [stdout] test board::tests::should_move_up ... 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 0.09s [INFO] [stdout] [INFO] [stderr] Doc-tests play-2048 [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" "f1e7e537637e678236103edc875ab730c47b76af5aff8607e5407548aae5eff0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1e7e537637e678236103edc875ab730c47b76af5aff8607e5407548aae5eff0", kill_on_drop: false }` [INFO] [stdout] f1e7e537637e678236103edc875ab730c47b76af5aff8607e5407548aae5eff0