[INFO] updating cached repository https://github.com/adrienball/2048-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5d68448aeb775ac0c25b44e7096ddefb07acea9e
[INFO] testing adrienball/2048-rs against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadrienball%2F2048-rs" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adrienball/2048-rs on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-7/source/Cargo.toml
[INFO] crate git repo https://github.com/adrienball/2048-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] eae762da3b8a412056e7e2ba9e6c2c06e91f73eca99e09b0461e344f03e1611a
[INFO] running `"docker" "start" "-a" "eae762da3b8a412056e7e2ba9e6c2c06e91f73eca99e09b0461e344f03e1611a"`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling termion v1.5.3
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling play-2048 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.93s
[INFO] running `"docker" "inspect" "eae762da3b8a412056e7e2ba9e6c2c06e91f73eca99e09b0461e344f03e1611a"`
[INFO] running `"docker" "rm" "-f" "eae762da3b8a412056e7e2ba9e6c2c06e91f73eca99e09b0461e344f03e1611a"`
[INFO] [stdout] eae762da3b8a412056e7e2ba9e6c2c06e91f73eca99e09b0461e344f03e1611a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f8ec207644d572c8a86ebfd049e493c2e06879b035279a2a48f3df74f6724b96
[INFO] running `"docker" "start" "-a" "f8ec207644d572c8a86ebfd049e493c2e06879b035279a2a48f3df74f6724b96"`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling rayon-core v1.6.1
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_os v0.2.2
[INFO] [stderr]    Compiling rand_xoshiro v0.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling crossbeam-queue v0.2.0
[INFO] [stderr]    Compiling criterion-plot v0.4.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling rayon v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling serde_json v1.0.42
[INFO] [stderr]    Compiling bstr v0.2.8
[INFO] [stderr]    Compiling csv v1.1.1
[INFO] [stderr]    Compiling tinytemplate v1.0.2
[INFO] [stderr]    Compiling criterion v0.3.0
[INFO] [stderr]    Compiling play-2048 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] running `"docker" "inspect" "f8ec207644d572c8a86ebfd049e493c2e06879b035279a2a48f3df74f6724b96"`
[INFO] running `"docker" "rm" "-f" "f8ec207644d572c8a86ebfd049e493c2e06879b035279a2a48f3df74f6724b96"`
[INFO] [stdout] f8ec207644d572c8a86ebfd049e493c2e06879b035279a2a48f3df74f6724b96
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f085bf557f60b9cac23b0a04de7443290f50928f57479a1a5414e76f2f02e077
[INFO] running `"docker" "start" "-a" "f085bf557f60b9cac23b0a04de7443290f50928f57479a1a5414e76f2f02e077"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/play_2048-d66a23f9eaacab9a
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test board::tests::should_display_board ... ok
[INFO] [stdout] test board::tests::should_get_exponent_value ... ok
[INFO] [stdout] test board::tests::should_get_column ... ok
[INFO] [stdout] test board::tests::should_get_empty_tiles ... 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_display_board_for_debug ... ok
[INFO] [stdout] test board::tests::should_convert_vec_to_board ... ok
[INFO] [stdout] test board::tests::should_get_max_value ... ok
[INFO] [stdout] test board::tests::should_count_distinct_tiles ... ok
[INFO] [stdout] test board::tests::should_get_row ... ok
[INFO] [stdout] test board::tests::should_set_value_by_exponent ... ok
[INFO] [stdout] test board::tests::should_reverse_iterate_over_exponents ... ok
[INFO] [stdout] test board::tests::should_set_value ... ok
[INFO] [stdout] test evaluators::tests::test_alignment_evaluator ... 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_use_binary_representation ... 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_invert_row ... ok
[INFO] [stdout] test board::tests::should_move_up ... ok
[INFO] [stdout] test board::tests::should_move_left ... ok
[INFO] [stdout] test utils::tests::should_set_value_in_row ... 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] [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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/play_2048-537a754194c4b8ca
[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_display_board_for_debug ... ok
[INFO] [stdout] test board::tests::should_get_column ... ok
[INFO] [stdout] test board::tests::should_display_board ... ok
[INFO] [stdout] test board::tests::should_get_exponent_value ... ok
[INFO] [stdout] test board::tests::should_get_empty_tiles ... 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_max_value ... ok
[INFO] [stdout] test board::tests::should_get_row ... ok
[INFO] [stdout] test board::tests::should_set_value ... ok
[INFO] [stdout] test board::tests::should_reverse_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 evaluators::tests::test_monotonicity_evaluator ... ok
[INFO] [stdout] test evaluators::tests::test_empty_tile_evaluator ... ok
[INFO] [stdout] test evaluators::tests::test_combined_evaluator ... ok
[INFO] [stdout] test utils::tests::should_get_left_move ... ok
[INFO] [stdout] test board::tests::should_move_left ... ok
[INFO] [stdout] test board::tests::should_move_up ... ok
[INFO] [stdout] test utils::tests::should_get_right_move ... ok
[INFO] [stdout] test utils::tests::should_invert_row ... ok
[INFO] [stdout] test utils::tests::should_set_value_in_row ... 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] [stdout] test solver::tests::test_next_best_move ... ok
[INFO] [stdout] test evaluators::tests::test_precomputed_inversion_evaluator ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f085bf557f60b9cac23b0a04de7443290f50928f57479a1a5414e76f2f02e077"`
[INFO] running `"docker" "rm" "-f" "f085bf557f60b9cac23b0a04de7443290f50928f57479a1a5414e76f2f02e077"`
[INFO] [stdout] f085bf557f60b9cac23b0a04de7443290f50928f57479a1a5414e76f2f02e077