[INFO] cloning repository https://github.com/LittleGuest/t-2048
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LittleGuest/t-2048" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLittleGuest%2Ft-2048", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLittleGuest%2Ft-2048'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c3974668d8a166d72dc47df69e107ebafd5ef3d
[INFO] testing LittleGuest/t-2048 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLittleGuest%2Ft-2048" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LittleGuest/t-2048 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LittleGuest/t-2048
[INFO] finished tweaking git repo https://github.com/LittleGuest/t-2048
[INFO] tweaked toml for git repo https://github.com/LittleGuest/t-2048 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/LittleGuest/t-2048 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60eef81ffb5a9d74adb4d2a910c4ff6efd486252de4e72c194462fad383a0ed0
[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" "60eef81ffb5a9d74adb4d2a910c4ff6efd486252de4e72c194462fad383a0ed0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60eef81ffb5a9d74adb4d2a910c4ff6efd486252de4e72c194462fad383a0ed0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60eef81ffb5a9d74adb4d2a910c4ff6efd486252de4e72c194462fad383a0ed0", kill_on_drop: false }`
[INFO] [stdout] 60eef81ffb5a9d74adb4d2a910c4ff6efd486252de4e72c194462fad383a0ed0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a9f7a44422181cfdb6f239cdbd751559b326e9deb63dec5687abfaf4496b91d
[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" "3a9f7a44422181cfdb6f239cdbd751559b326e9deb63dec5687abfaf4496b91d", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.5.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling slice_as_array v1.1.0
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.2
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling mio v0.7.6
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling rand_core v0.6.0
[INFO] [stderr]    Compiling signal-hook v0.1.17
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling crossterm v0.18.2
[INFO] [stderr]    Compiling crossterm v0.19.0
[INFO] [stderr]    Compiling rand v0.8.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.3
[INFO] [stderr]    Compiling tui v0.14.0
[INFO] [stderr]    Compiling sled v0.34.6
[INFO] [stderr]    Compiling t-2048 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] running `Command { std: "docker" "inspect" "3a9f7a44422181cfdb6f239cdbd751559b326e9deb63dec5687abfaf4496b91d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a9f7a44422181cfdb6f239cdbd751559b326e9deb63dec5687abfaf4496b91d", kill_on_drop: false }`
[INFO] [stdout] 3a9f7a44422181cfdb6f239cdbd751559b326e9deb63dec5687abfaf4496b91d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62dc6f818b767635610ef48cc7546a76cf213af39b4ab91069f42c3ed3e075b7
[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" "62dc6f818b767635610ef48cc7546a76cf213af39b4ab91069f42c3ed3e075b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling t-2048 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.86s
[INFO] running `Command { std: "docker" "inspect" "62dc6f818b767635610ef48cc7546a76cf213af39b4ab91069f42c3ed3e075b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62dc6f818b767635610ef48cc7546a76cf213af39b4ab91069f42c3ed3e075b7", kill_on_drop: false }`
[INFO] [stdout] 62dc6f818b767635610ef48cc7546a76cf213af39b4ab91069f42c3ed3e075b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bdca29d5eac11563e38b269e896dace25905970e59b1458267b8a18465db9f1a
[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" "bdca29d5eac11563e38b269e896dace25905970e59b1458267b8a18465db9f1a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/t_2048-d18b109027d8b50b)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test palace::test::test_merge ... FAILED
[INFO] [stdout] test store::test::test ... FAILED
[INFO] [stdout] test util::test::test_two_or_four ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- palace::test::test_merge stdout ----
[INFO] [stdout] thread 'palace::test::test_merge' panicked at 'called `Result::unwrap()` on an `Err` value: Io(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })', src/store.rs:7:52
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x562ca84add7c - std::backtrace_rs::backtrace::libunwind::trace::h7630ba4cba718aa0
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x562ca84add7c - std::backtrace_rs::backtrace::trace_unsynchronized::he7498e79c157f5ac
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x562ca84add7c - std::sys_common::backtrace::_print_fmt::hdaebadaee17bca49
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x562ca84add7c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h82b0e3aaf8a96140
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x562ca84d2b2c - core::fmt::write::h72801a82c94e6ff1
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/fmt/mod.rs:1149:17
[INFO] [stdout]    5:     0x562ca84a9305 - std::io::Write::write_fmt::h21d7683cabdb4c35
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/io/mod.rs:1697:15
[INFO] [stdout]    6:     0x562ca84afbf0 - std::sys_common::backtrace::_print::h1c9a1d19c48821c1
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x562ca84afbf0 - std::sys_common::backtrace::print::h7ce8802039fa9d0e
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x562ca84afbf0 - std::panicking::default_hook::{{closure}}::hb2a74a8c1499c326
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:211:50
[INFO] [stdout]    9:     0x562ca84af7d6 - std::panicking::default_hook::hf4f180b00076f2b2
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:225:9
[INFO] [stdout]   10:     0x562ca84b02a4 - std::panicking::rust_panic_with_hook::he85ce8435493b711
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:606:17
[INFO] [stdout]   11:     0x562ca84afd80 - std::panicking::begin_panic_handler::{{closure}}::h31e15f69e6235bd2
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:502:13
[INFO] [stdout]   12:     0x562ca84ae234 - std::sys_common::backtrace::__rust_end_short_backtrace::hfce2fadb61aaa3ae
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:139:18
[INFO] [stdout]   13:     0x562ca84afce9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:498:5
[INFO] [stdout]   14:     0x562ca81dbe21 - core::panicking::panic_fmt::h7b8580d81fcbbacd
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/panicking.rs:107:14
[INFO] [stdout]   15:     0x562ca81dbf13 - core::result::unwrap_failed::h885d3f7beb571353
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/result.rs:1613:5
[INFO] [stdout]   16:     0x562ca81eb8bc - core::result::Result<T,E>::unwrap::h423b52068a49b6f7
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/result.rs:1295:23
[INFO] [stdout]   17:     0x562ca81e8009 - <t_2048::store::DB as core::ops::deref::Deref>::deref::__static_ref_initialize::h1df446fdba00e53c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/store.rs:7:25
[INFO] [stdout]   18:     0x562ca81e8009 - core::ops::function::FnOnce::call_once::hf65f2bce4bbca758
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   19:     0x562ca81f042a - lazy_static::lazy::Lazy<T>::get::{{closure}}::h3498b4387202ae67
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/inline_lazy.rs:31:29
[INFO] [stdout]   20:     0x562ca8204e7b - std::sync::once::Once::call_once::{{closure}}::h83232c06b9cced61
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sync/once.rs:262:41
[INFO] [stdout]   21:     0x562ca81dafae - std::sync::once::Once::call_inner::h3023ccdcace5556f
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sync/once.rs:419:21
[INFO] [stdout]   22:     0x562ca8204e05 - std::sync::once::Once::call_once::h22567d7153f4db7b
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sync/once.rs:262:9
[INFO] [stdout]   23:     0x562ca81fbed2 - lazy_static::lazy::Lazy<T>::get::h9abba873136b991f
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/inline_lazy.rs:30:9
[INFO] [stdout]   24:     0x562ca81fbed2 - <t_2048::store::DB as core::ops::deref::Deref>::deref::__stability::hdd68425a0f26e3be
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/lib.rs:142:21
[INFO] [stdout]   25:     0x562ca81fbed2 - <t_2048::store::DB as core::ops::deref::Deref>::deref::hc8292c8da5ece620
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/lib.rs:144:17
[INFO] [stdout]   26:     0x562ca81f8e81 - t_2048::store::Store::top_score::h89b7baee9338f978
[INFO] [stdout]                                at /opt/rustwide/workdir/src/store.rs:23:25
[INFO] [stdout]   27:     0x562ca81ee19e - t_2048::palace::Game::top_score::h4a3198a255b87eba
[INFO] [stdout]                                at /opt/rustwide/workdir/src/palace.rs:290:9
[INFO] [stdout]   28:     0x562ca81ed7ad - t_2048::palace::Game::new::h48c43b1791c8ba95
[INFO] [stdout]                                at /opt/rustwide/workdir/src/palace.rs:100:24
[INFO] [stdout]   29:     0x562ca81f92ec - t_2048::palace::test::test_merge::he5add39d7f80a551
[INFO] [stdout]                                at /opt/rustwide/workdir/src/palace.rs:463:24
[INFO] [stdout]   30:     0x562ca81f92ba - t_2048::palace::test::test_merge::{{closure}}::h508cda7acfe08b8c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/palace.rs:462:5
[INFO] [stdout]   31:     0x562ca81e7ece - core::ops::function::FnOnce::call_once::h747f3a61975e59f1
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   32:     0x562ca8247ef3 - core::ops::function::FnOnce::call_once::h449577f1c5b077cb
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   33:     0x562ca8247ef3 - test::__rust_begin_short_backtrace::h8c2a0a5090591869
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/test/src/lib.rs:585:5
[INFO] [stdout]   34:     0x562ca8246a87 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hea00a22128a38543
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   35:     0x562ca8246a87 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::he10b35c3c50d78a0
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   36:     0x562ca8246a87 - std::panicking::try::do_call::hc868e78bbc5af2ab
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:406:40
[INFO] [stdout]   37:     0x562ca8246a87 - std::panicking::try::he468aede74df1b04
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:370:19
[INFO] [stdout]   38:     0x562ca8246a87 - std::panic::catch_unwind::hce3c9152e1cf772d
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panic.rs:133:14
[INFO] [stdout]   39:     0x562ca8246a87 - test::run_test_in_process::h9c4ab8162080cf8c
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/test/src/lib.rs:608:18
[INFO] [stdout]   40:     0x562ca8246a87 - test::run_test::run_test_inner::{{closure}}::he9483433cef16afe
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/test/src/lib.rs:500:39
[INFO] [stdout]   41:     0x562ca8213dce - test::run_test::run_test_inner::{{closure}}::h479f1f872a5501ea
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/test/src/lib.rs:527:37
[INFO] [stdout]   42:     0x562ca8213dce - std::sys_common::backtrace::__rust_begin_short_backtrace::h0f1e9b1f279687bc
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:123:18
[INFO] [stdout]   43:     0x562ca8218bf8 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he5560613c5f5cb83
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/thread/mod.rs:484:17
[INFO] [stdout]   44:     0x562ca8218bf8 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8190a68cb05ab92f
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   45:     0x562ca8218bf8 - std::panicking::try::do_call::h6ae22f5ac22596e4
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:406:40
[INFO] [stdout]   46:     0x562ca8218bf8 - std::panicking::try::h2381c25487d6a7c2
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:370:19
[INFO] [stdout]   47:     0x562ca8218bf8 - std::panic::catch_unwind::hfe902f4d5c9d7b6d
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panic.rs:133:14
[INFO] [stdout]   48:     0x562ca8218bf8 - std::thread::Builder::spawn_unchecked::{{closure}}::h547fad40771a584e
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/thread/mod.rs:483:30
[INFO] [stdout]   49:     0x562ca8218bf8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he8602a9971738410
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   50:     0x562ca84b5fb3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::he162a5c338a10a39
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   51:     0x562ca84b5fb3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb27497b21740dd97
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   52:     0x562ca84b5fb3 - std::sys::unix::thread::Thread::new::thread_start::he467e990e49c5136
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys/unix/thread.rs:106:17
[INFO] [stdout]   53:     0x7f012b06a609 - start_thread
[INFO] [stdout]   54:     0x7f012ae3c293 - clone
[INFO] [stdout]   55:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- store::test::test stdout ----
[INFO] [stdout] thread 'store::test::test' panicked at 'Once instance has previously been poisoned', library/std/src/sync/once.rs:393:21
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x562ca84add7c - std::backtrace_rs::backtrace::libunwind::trace::h7630ba4cba718aa0
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x562ca84add7c - std::backtrace_rs::backtrace::trace_unsynchronized::he7498e79c157f5ac
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x562ca84add7c - std::sys_common::backtrace::_print_fmt::hdaebadaee17bca49
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x562ca84add7c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h82b0e3aaf8a96140
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x562ca84d2b2c - core::fmt::write::h72801a82c94e6ff1
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/fmt/mod.rs:1149:17
[INFO] [stdout]    5:     0x562ca84a9305 - std::io::Write::write_fmt::h21d7683cabdb4c35
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/io/mod.rs:1697:15
[INFO] [stdout]    6:     0x562ca84afbf0 - std::sys_common::backtrace::_print::h1c9a1d19c48821c1
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x562ca84afbf0 - std::sys_common::backtrace::print::h7ce8802039fa9d0e
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x562ca84afbf0 - std::panicking::default_hook::{{closure}}::hb2a74a8c1499c326
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:211:50
[INFO] [stdout]    9:     0x562ca84af7d6 - std::panicking::default_hook::hf4f180b00076f2b2
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:225:9
[INFO] [stdout]   10:     0x562ca84b02a4 - std::panicking::rust_panic_with_hook::he85ce8435493b711
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:606:17
[INFO] [stdout]   11:     0x562ca84affc5 - std::panicking::begin_panic::{{closure}}::hcba9f450e0671b2e
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:526:9
[INFO] [stdout]   12:     0x562ca84ae216 - std::sys_common::backtrace::__rust_end_short_backtrace::hcdde95cc2140b477
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:139:18
[INFO] [stdout]   13:     0x562ca81db1d1 - std::panicking::begin_panic::h1af470e27b2096c9
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:525:12
[INFO] [stdout]   14:     0x562ca81db04b - std::sync::once::Once::call_inner::h3023ccdcace5556f
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sync/once.rs:393:21
[INFO] [stdout]   15:     0x562ca8204e05 - std::sync::once::Once::call_once::h22567d7153f4db7b
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sync/once.rs:262:9
[INFO] [stdout]   16:     0x562ca81fbed2 - lazy_static::lazy::Lazy<T>::get::h9abba873136b991f
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/inline_lazy.rs:30:9
[INFO] [stdout]   17:     0x562ca81fbed2 - <t_2048::store::DB as core::ops::deref::Deref>::deref::__stability::hdd68425a0f26e3be
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/lib.rs:142:21
[INFO] [stdout]   18:     0x562ca81fbed2 - <t_2048::store::DB as core::ops::deref::Deref>::deref::hc8292c8da5ece620
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/lib.rs:144:17
[INFO] [stdout]   19:     0x562ca81f8e81 - t_2048::store::Store::top_score::h89b7baee9338f978
[INFO] [stdout]                                at /opt/rustwide/workdir/src/store.rs:23:25
[INFO] [stdout]   20:     0x562ca81ee19e - t_2048::palace::Game::top_score::h4a3198a255b87eba
[INFO] [stdout]                                at /opt/rustwide/workdir/src/palace.rs:290:9
[INFO] [stdout]   21:     0x562ca81ed7ad - t_2048::palace::Game::new::h48c43b1791c8ba95
[INFO] [stdout]                                at /opt/rustwide/workdir/src/palace.rs:100:24
[INFO] [stdout]   22:     0x562ca81ece24 - t_2048::store::test::test::h30946d6c14e76a04
[INFO] [stdout]                                at /opt/rustwide/workdir/src/store.rs:62:20
[INFO] [stdout]   23:     0x562ca81ecdfa - t_2048::store::test::test::{{closure}}::h9e7fb0f7ab3891f7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/store.rs:61:5
[INFO] [stdout]   24:     0x562ca81e7e3e - core::ops::function::FnOnce::call_once::h17a95e2c5d40f277
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   25:     0x562ca8247ef3 - core::ops::function::FnOnce::call_once::h449577f1c5b077cb
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   26:     0x562ca8247ef3 - test::__rust_begin_short_backtrace::h8c2a0a5090591869
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/test/src/lib.rs:585:5
[INFO] [stdout]   27:     0x562ca8246a87 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hea00a22128a38543
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   28:     0x562ca8246a87 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::he10b35c3c50d78a0
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   29:     0x562ca8246a87 - std::panicking::try::do_call::hc868e78bbc5af2ab
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:406:40
[INFO] [stdout]   30:     0x562ca8246a87 - std::panicking::try::he468aede74df1b04
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:370:19
[INFO] [stdout]   31:     0x562ca8246a87 - std::panic::catch_unwind::hce3c9152e1cf772d
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panic.rs:133:14
[INFO] [stdout]   32:     0x562ca8246a87 - test::run_test_in_process::h9c4ab8162080cf8c
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/test/src/lib.rs:608:18
[INFO] [stdout]   33:     0x562ca8246a87 - test::run_test::run_test_inner::{{closure}}::he9483433cef16afe
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/test/src/lib.rs:500:39
[INFO] [stdout]   34:     0x562ca8213dce - test::run_test::run_test_inner::{{closure}}::h479f1f872a5501ea
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/test/src/lib.rs:527:37
[INFO] [stdout]   35:     0x562ca8213dce - std::sys_common::backtrace::__rust_begin_short_backtrace::h0f1e9b1f279687bc
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:123:18
[INFO] [stdout]   36:     0x562ca8218bf8 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he5560613c5f5cb83
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/thread/mod.rs:484:17
[INFO] [stdout]   37:     0x562ca8218bf8 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8190a68cb05ab92f
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   38:     0x562ca8218bf8 - std::panicking::try::do_call::h6ae22f5ac22596e4
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:406:40
[INFO] [stdout]   39:     0x562ca8218bf8 - std::panicking::try::h2381c25487d6a7c2
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:370:19
[INFO] [stdout]   40:     0x562ca8218bf8 - std::panic::catch_unwind::hfe902f4d5c9d7b6d
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panic.rs:133:14
[INFO] [stdout]   41:     0x562ca8218bf8 - std::thread::Builder::spawn_unchecked::{{closure}}::h547fad40771a584e
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/thread/mod.rs:483:30
[INFO] [stdout]   42:     0x562ca8218bf8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he8602a9971738410
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   43:     0x562ca84b5fb3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::he162a5c338a10a39
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   44:     0x562ca84b5fb3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb27497b21740dd97
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/alloc/src/boxed.rs:1694:9
[INFO] [stdout]   45:     0x562ca84b5fb3 - std::sys::unix::thread::Thread::new::thread_start::he467e990e49c5136
[INFO] [stdout]                                at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys/unix/thread.rs:106:17
[INFO] [stdout]   46:     0x7f012b06a609 - start_thread
[INFO] [stdout]   47:     0x7f012ae3c293 - clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     palace::test::test_merge
[INFO] [stdout]     store::test::test
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--bin t-2048'
[INFO] running `Command { std: "docker" "inspect" "bdca29d5eac11563e38b269e896dace25905970e59b1458267b8a18465db9f1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdca29d5eac11563e38b269e896dace25905970e59b1458267b8a18465db9f1a", kill_on_drop: false }`
[INFO] [stdout] bdca29d5eac11563e38b269e896dace25905970e59b1458267b8a18465db9f1a