[INFO] fetching crate play-2048 1.0.0...
[INFO] testing play-2048-1.0.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_0
[INFO] extracting crate play-2048 1.0.0 into /workspace/builds/worker-1-tc1/source
[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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate play-2048 1.0.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate play-2048 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded termion v1.5.5
[INFO] [stderr]   Downloaded tinytemplate v1.0.4
[INFO] [stderr]   Downloaded serde_derive v1.0.106
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[INFO] [stderr]   Downloaded itoa v0.4.5
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.60
[INFO] [stderr]   Downloaded cast v0.2.3
[INFO] [stderr]   Downloaded criterion-plot v0.4.2
[INFO] [stderr]   Downloaded ryu v1.0.4
[INFO] [stderr]   Downloaded js-sys v0.3.37
[INFO] [stderr]   Downloaded serde_json v1.0.51
[INFO] [stderr]   Downloaded criterion v0.3.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.10
[INFO] [stderr]   Downloaded bumpalo v3.2.1
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.60
[INFO] [stderr]   Downloaded serde v1.0.106
[INFO] [stderr]   Downloaded oorandom v11.1.0
[INFO] [stderr]   Downloaded syn v1.0.18
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.60
[INFO] [stderr]   Downloaded regex v1.3.7
[INFO] [stderr]   Downloaded hermit-abi v0.1.12
[INFO] [stderr]   Downloaded regex-syntax v0.6.17
[INFO] [stderr]   Downloaded quote v1.0.3
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[INFO] [stderr]   Downloaded web-sys v0.3.37
[INFO] [stderr]   Downloaded csv v1.1.3
[INFO] [stderr]   Downloaded plotters v0.2.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73517a0758b741d925f3797021f993d1b3ce18412e187056c7f300bb97e5e6da
[INFO] running `Command { std: "docker" "start" "-a" "73517a0758b741d925f3797021f993d1b3ce18412e187056c7f300bb97e5e6da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73517a0758b741d925f3797021f993d1b3ce18412e187056c7f300bb97e5e6da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73517a0758b741d925f3797021f993d1b3ce18412e187056c7f300bb97e5e6da", kill_on_drop: false }`
[INFO] [stdout] 73517a0758b741d925f3797021f993d1b3ce18412e187056c7f300bb97e5e6da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] e1de02d06a6c34f76bbdd244a1ce12325a6683db7599d4b8dfbca77fddf40998
[INFO] running `Command { std: "docker" "start" "-a" "e1de02d06a6c34f76bbdd244a1ce12325a6683db7599d4b8dfbca77fddf40998", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling fnv v1.0.6
[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` profile [unoptimized + debuginfo] target(s) in 11.39s
[INFO] running `Command { std: "docker" "inspect" "e1de02d06a6c34f76bbdd244a1ce12325a6683db7599d4b8dfbca77fddf40998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1de02d06a6c34f76bbdd244a1ce12325a6683db7599d4b8dfbca77fddf40998", kill_on_drop: false }`
[INFO] [stdout] e1de02d06a6c34f76bbdd244a1ce12325a6683db7599d4b8dfbca77fddf40998
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 700fddfcb24f7f69c0237f272f583791b56670cf9dfff4dd4411212c888f6d52
[INFO] running `Command { std: "docker" "start" "-a" "700fddfcb24f7f69c0237f272f583791b56670cf9dfff4dd4411212c888f6d52", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[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 itoa v0.4.5
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling oorandom v11.1.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling plotters v0.2.12
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling criterion-plot v0.4.2
[INFO] [stderr]    Compiling regex v1.3.7
[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 serde_derive v1.0.106
[INFO] [stderr]    Compiling tinytemplate v1.0.4
[INFO] [stderr]    Compiling criterion v0.3.2
[INFO] [stderr]    Compiling play-2048 v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `must_use` that must be used
[INFO] [stdout]    --> src/board.rs:830:9
[INFO] [stdout]     |
[INFO] [stdout] 830 |         format!("{}", board);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `must_use` that must be used
[INFO] [stdout]    --> src/board.rs:830:9
[INFO] [stdout]     |
[INFO] [stdout] 830 |         format!("{}", board);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 37.10s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "700fddfcb24f7f69c0237f272f583791b56670cf9dfff4dd4411212c888f6d52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "700fddfcb24f7f69c0237f272f583791b56670cf9dfff4dd4411212c888f6d52", kill_on_drop: false }`
[INFO] [stdout] 700fddfcb24f7f69c0237f272f583791b56670cf9dfff4dd4411212c888f6d52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 6da866b725e62eb6fdb3cb0a97a0cd7841e6d4d48b683896bc26ae875c1e558d
[INFO] running `Command { std: "docker" "start" "-a" "6da866b725e62eb6fdb3cb0a97a0cd7841e6d4d48b683896bc26ae875c1e558d", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `must_use` that must be used
[INFO] [stderr]    --> src/board.rs:830:9
[INFO] [stderr]     |
[INFO] [stderr] 830 |         format!("{}", board);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `play-2048` (lib test) generated 1 warning
[INFO] [stderr] warning: `play-2048` (bin "play-2048" test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/play_2048-0d2b51bee6b6e959)
[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_columns ... 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_display_board ... 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_max_value ... ok
[INFO] [stdout] test board::tests::should_get_rows ... ok
[INFO] [stdout] test board::tests::should_get_value ... ok
[INFO] [stdout] test board::tests::should_set_value ... 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_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 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 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_left ... ok
[INFO] [stdout] test board::tests::should_move_up ... ok
[INFO] [stdout] test board::tests::should_move_down ... ok
[INFO] [stdout] test board::tests::should_move_right ... ok
[INFO] [stdout] test board::tests::should_move_with_high_values ... 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 0.12s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/play_2048-8a54423f37305a2a)
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test board::tests::should_count_distinct_tiles ... ok
[INFO] [stdout] test board::tests::should_count_empty_tiles ... ok
[INFO] [stdout] test board::tests::should_display_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_get_empty_tiles ... ok
[INFO] [stdout] test board::tests::should_get_exponent_value ... ok
[INFO] [stdout] test board::tests::should_get_max_value ... ok
[INFO] [stdout] test board::tests::should_convert_vec_to_board ... ok
[INFO] [stdout] test board::tests::should_get_rows ... 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_set_value ... ok
[INFO] [stdout] test board::tests::should_use_binary_representation ... ok
[INFO] [stdout] test board::tests::should_set_value_by_exponent ... 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 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 utils::tests::should_set_value_in_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_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 0.14s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6da866b725e62eb6fdb3cb0a97a0cd7841e6d4d48b683896bc26ae875c1e558d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6da866b725e62eb6fdb3cb0a97a0cd7841e6d4d48b683896bc26ae875c1e558d", kill_on_drop: false }`
[INFO] [stdout] 6da866b725e62eb6fdb3cb0a97a0cd7841e6d4d48b683896bc26ae875c1e558d