[INFO] cloning repository https://github.com/iThinkyouknow/rust-pong-self
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iThinkyouknow/rust-pong-self" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiThinkyouknow%2Frust-pong-self", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiThinkyouknow%2Frust-pong-self'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7efe4d5f4864ef80e4a2745cc99e44bd6bab3534
[INFO] testing iThinkyouknow/rust-pong-self against beta-2023-04-20 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiThinkyouknow%2Frust-pong-self" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iThinkyouknow/rust-pong-self on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iThinkyouknow/rust-pong-self
[INFO] finished tweaking git repo https://github.com/iThinkyouknow/rust-pong-self
[INFO] tweaked toml for git repo https://github.com/iThinkyouknow/rust-pong-self written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/iThinkyouknow/rust-pong-self 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" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v0.6.5
[INFO] [stderr]   Downloaded piston2d-opengl_graphics v0.53.0
[INFO] [stderr]   Downloaded syn v0.14.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7766fcaf5d75cae0718e34ce61ec82ff98c6804407f551465cecde7bc938e157
[INFO] running `Command { std: "docker" "start" "-a" "7766fcaf5d75cae0718e34ce61ec82ff98c6804407f551465cecde7bc938e157", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7766fcaf5d75cae0718e34ce61ec82ff98c6804407f551465cecde7bc938e157", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7766fcaf5d75cae0718e34ce61ec82ff98c6804407f551465cecde7bc938e157", kill_on_drop: false }`
[INFO] [stdout] 7766fcaf5d75cae0718e34ce61ec82ff98c6804407f551465cecde7bc938e157
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d8ec82aa401e1c8f2d7a6f32351a499197f35da163da2f2a5016ec3c938a67e
[INFO] running `Command { std: "docker" "start" "-a" "4d8ec82aa401e1c8f2d7a6f32351a499197f35da163da2f2a5016ec3c938a67e", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling cfg-if v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling piston-float v0.3.0
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[INFO] [stderr]    Compiling piston-viewport v0.3.0
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[INFO] [stderr]    Compiling winit v0.12.0
[INFO] [stderr]    Compiling piston2d-opengl_graphics v0.53.0
[INFO] [stderr]    Compiling pistoncore-input v0.21.0
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[INFO] [stderr]    Compiling piston v0.37.0
[INFO] [stderr]    Compiling self-pong v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: internal compiler error: compiler/rustc_mir_build/src/thir/pattern/check_match.rs:338:21: impossible case reached
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] thread 'rustc' panicked at 'Box<dyn Any>', /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/compiler/rustc_errors/src/lib.rs:1643:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x7f3096f3bcca - std::backtrace_rs::backtrace::libunwind::trace::h2f05d0192276a8f6
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]    1:     0x7f3096f3bcca - std::backtrace_rs::backtrace::trace_unsynchronized::hedc23dff7a1af150
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]    2:     0x7f3096f3bcca - std::sys_common::backtrace::_print_fmt::h17541ef7592f3ce2
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stderr]    3:     0x7f3096f3bcca - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h20f75df5ab0c0792
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]    4:     0x7f3096fa00cf - core::fmt::write::h78109e6f466b3af6
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/fmt/mod.rs:1254:17
[INFO] [stderr]    5:     0x7f3096f2e805 - std::io::Write::write_fmt::hc59e1b02dd273c8a
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/io/mod.rs:1698:15
[INFO] [stderr]    6:     0x7f3096f3ba95 - std::sys_common::backtrace::_print::h8dac57a9f8fbf9a5
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]    7:     0x7f3096f3ba95 - std::sys_common::backtrace::print::hf9ecbf41d1aa712f
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]    8:     0x7f3096f3e73e - std::panicking::default_hook::{{closure}}::h04c07acfc84ca028
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:269:22
[INFO] [stderr]    9:     0x7f3096f3e4e5 - std::panicking::default_hook::h01f6bb23e1eceb2c
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:288:9
[INFO] [stderr]   10:     0x7f309a22ea35 - rustc_driver_impl[dc743aefd116e4d1]::DEFAULT_HOOK::{closure#0}::{closure#0}
[INFO] [stderr]   11:     0x7f3096f3ef34 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h3f2d6d8b14c4769f
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/alloc/src/boxed.rs:1987:9
[INFO] [stderr]   12:     0x7f3096f3ef34 - std::panicking::rust_panic_with_hook::h2bb3722bbaf2f6df
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:695:13
[INFO] [stderr]   13:     0x7f309a747de1 - std[c49fe71d1e153478]::panicking::begin_panic::<rustc_errors[796e83a27e62bbe6]::ExplicitBug>::{closure#0}
[INFO] [stderr]   14:     0x7f309a747886 - std[c49fe71d1e153478]::sys_common::backtrace::__rust_end_short_backtrace::<std[c49fe71d1e153478]::panicking::begin_panic<rustc_errors[796e83a27e62bbe6]::ExplicitBug>::{closure#0}, !>
[INFO] [stderr]   15:     0x7f309a77cff6 - std[c49fe71d1e153478]::panicking::begin_panic::<rustc_errors[796e83a27e62bbe6]::ExplicitBug>
[INFO] [stderr]   16:     0x7f309a7da836 - <rustc_errors[796e83a27e62bbe6]::HandlerInner>::bug::<&alloc[2e017f7c06744add]::string::String>
[INFO] [stderr]   17:     0x7f309a7da500 - <rustc_errors[796e83a27e62bbe6]::Handler>::bug::<&alloc[2e017f7c06744add]::string::String>
[INFO] [stderr]   18:     0x7f309a7adbdb - rustc_middle[190fc878b70c43dc]::util::bug::opt_span_bug_fmt::<rustc_span[1c1785c13b4703b1]::span_encoding::Span>::{closure#0}
[INFO] [stderr]   19:     0x7f309a7ad13a - rustc_middle[190fc878b70c43dc]::ty::context::tls::with_opt::<rustc_middle[190fc878b70c43dc]::util::bug::opt_span_bug_fmt<rustc_span[1c1785c13b4703b1]::span_encoding::Span>::{closure#0}, !>::{closure#0}
[INFO] [stderr]   20:     0x7f309a7ad106 - rustc_middle[190fc878b70c43dc]::ty::context::tls::with_context_opt::<rustc_middle[190fc878b70c43dc]::ty::context::tls::with_opt<rustc_middle[190fc878b70c43dc]::util::bug::opt_span_bug_fmt<rustc_span[1c1785c13b4703b1]::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
[INFO] [stderr]   21:     0x7f309a7adb26 - rustc_middle[190fc878b70c43dc]::util::bug::opt_span_bug_fmt::<rustc_span[1c1785c13b4703b1]::span_encoding::Span>
[INFO] [stderr]   22:     0x7f30987a5d83 - rustc_middle[190fc878b70c43dc]::util::bug::bug_fmt
[INFO] [stderr]   23:     0x7f30984afaf5 - <rustc_mir_build[a9ef6a9f7dc2b163]::thir::pattern::check_match::MatchVisitor>::check_let_chain::{closure#0}
[INFO] [stderr]   24:     0x7f3098495258 - <rustc_mir_build[a9ef6a9f7dc2b163]::thir::pattern::check_match::MatchVisitor as rustc_middle[190fc878b70c43dc]::thir::visit::Visitor>::visit_expr
[INFO] [stderr]   25:     0x7f3098494c28 - <rustc_mir_build[a9ef6a9f7dc2b163]::thir::pattern::check_match::MatchVisitor as rustc_middle[190fc878b70c43dc]::thir::visit::Visitor>::visit_expr
[INFO] [stderr]   26:     0x7f3098494c28 - <rustc_mir_build[a9ef6a9f7dc2b163]::thir::pattern::check_match::MatchVisitor as rustc_middle[190fc878b70c43dc]::thir::visit::Visitor>::visit_expr
[INFO] [stderr]   27:     0x7f3098495685 - <rustc_mir_build[a9ef6a9f7dc2b163]::thir::pattern::check_match::MatchVisitor as rustc_middle[190fc878b70c43dc]::thir::visit::Visitor>::visit_expr
[INFO] [stderr]   28:     0x7f3098494c28 - <rustc_mir_build[a9ef6a9f7dc2b163]::thir::pattern::check_match::MatchVisitor as rustc_middle[190fc878b70c43dc]::thir::visit::Visitor>::visit_expr
[INFO] [stderr]   29:     0x7f3098495fc3 - <rustc_mir_build[a9ef6a9f7dc2b163]::thir::pattern::check_match::MatchVisitor as rustc_middle[190fc878b70c43dc]::thir::visit::Visitor>::visit_block
[INFO] [stderr]   30:     0x7f3098494e30 - <rustc_mir_build[a9ef6a9f7dc2b163]::thir::pattern::check_match::MatchVisitor as rustc_middle[190fc878b70c43dc]::thir::visit::Visitor>::visit_expr
[INFO] [stderr]   31:     0x7f3098494c28 - <rustc_mir_build[a9ef6a9f7dc2b163]::thir::pattern::check_match::MatchVisitor as rustc_middle[190fc878b70c43dc]::thir::visit::Visitor>::visit_expr
[INFO] [stderr]   32:     0x7f3098494c28 - <rustc_mir_build[a9ef6a9f7dc2b163]::thir::pattern::check_match::MatchVisitor as rustc_middle[190fc878b70c43dc]::thir::visit::Visitor>::visit_expr
[INFO] [stderr]   33:     0x7f3099a8b1ec - rustc_mir_build[a9ef6a9f7dc2b163]::thir::pattern::check_match::check_match
[INFO] [stderr]   34:     0x7f30985a19b4 - rustc_query_system[4d292fdbba6db482]::query::plumbing::try_execute_query::<rustc_query_impl[b991547b4cedd1fc]::queries::check_match, rustc_query_impl[b991547b4cedd1fc]::plumbing::QueryCtxt>
[INFO] [stderr]   35:     0x7f30998f8001 - rustc_data_structures[f629b2cb664ef839]::sync::par_for_each_in::<&[rustc_span[1c1785c13b4703b1]::def_id::LocalDefId], <rustc_middle[190fc878b70c43dc]::hir::map::Map>::par_body_owners<rustc_interface[a065794b3504c0d8]::passes::analysis::{closure#1}::{closure#0}::{closure#0}::{closure#0}>::{closure#0}>
[INFO] [stderr]   36:     0x7f30998f7c4e - <rustc_session[18a976cb49e2bd78]::session::Session>::time::<(), rustc_interface[a065794b3504c0d8]::passes::analysis::{closure#1}::{closure#0}::{closure#0}>
[INFO] [stderr]   37:     0x7f3099700185 - <rustc_session[18a976cb49e2bd78]::session::Session>::time::<(), rustc_interface[a065794b3504c0d8]::passes::analysis::{closure#1}>
[INFO] [stderr]   38:     0x7f30996ffdb2 - rustc_interface[a065794b3504c0d8]::passes::analysis
[INFO] [stderr]   39:     0x7f3099980852 - rustc_query_system[4d292fdbba6db482]::query::plumbing::try_execute_query::<rustc_query_impl[b991547b4cedd1fc]::queries::analysis, rustc_query_impl[b991547b4cedd1fc]::plumbing::QueryCtxt>
[INFO] [stderr]   40:     0x7f3099980560 - <rustc_query_impl[b991547b4cedd1fc]::Queries as rustc_middle[190fc878b70c43dc]::ty::query::QueryEngine>::analysis
[INFO] [stderr]   41:     0x7f30998b5286 - <std[c49fe71d1e153478]::thread::local::LocalKey<core[5dceb995eb6c8c1c]::cell::Cell<*const ()>>>::with::<rustc_middle[190fc878b70c43dc]::ty::context::tls::enter_context<<rustc_middle[190fc878b70c43dc]::ty::context::GlobalCtxt>::enter<rustc_driver_impl[dc743aefd116e4d1]::run_compiler::{closure#1}::{closure#2}::{closure#4}, core[5dceb995eb6c8c1c]::result::Result<(), rustc_span[1c1785c13b4703b1]::ErrorGuaranteed>>::{closure#0}, core[5dceb995eb6c8c1c]::result::Result<(), rustc_span[1c1785c13b4703b1]::ErrorGuaranteed>>::{closure#0}, core[5dceb995eb6c8c1c]::result::Result<(), rustc_span[1c1785c13b4703b1]::ErrorGuaranteed>>
[INFO] [stderr]   42:     0x7f30994f143e - <rustc_interface[a065794b3504c0d8]::interface::Compiler>::enter::<rustc_driver_impl[dc743aefd116e4d1]::run_compiler::{closure#1}::{closure#2}, core[5dceb995eb6c8c1c]::result::Result<core[5dceb995eb6c8c1c]::option::Option<rustc_interface[a065794b3504c0d8]::queries::Linker>, rustc_span[1c1785c13b4703b1]::ErrorGuaranteed>>
[INFO] [stderr]   43:     0x7f30994ec691 - rustc_span[1c1785c13b4703b1]::set_source_map::<core[5dceb995eb6c8c1c]::result::Result<(), rustc_span[1c1785c13b4703b1]::ErrorGuaranteed>, rustc_interface[a065794b3504c0d8]::interface::run_compiler<core[5dceb995eb6c8c1c]::result::Result<(), rustc_span[1c1785c13b4703b1]::ErrorGuaranteed>, rustc_driver_impl[dc743aefd116e4d1]::run_compiler::{closure#1}>::{closure#0}::{closure#0}>
[INFO] [stderr]   44:     0x7f30994ebc3f - std[c49fe71d1e153478]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[a065794b3504c0d8]::util::run_in_thread_pool_with_globals<rustc_interface[a065794b3504c0d8]::interface::run_compiler<core[5dceb995eb6c8c1c]::result::Result<(), rustc_span[1c1785c13b4703b1]::ErrorGuaranteed>, rustc_driver_impl[dc743aefd116e4d1]::run_compiler::{closure#1}>::{closure#0}, core[5dceb995eb6c8c1c]::result::Result<(), rustc_span[1c1785c13b4703b1]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[5dceb995eb6c8c1c]::result::Result<(), rustc_span[1c1785c13b4703b1]::ErrorGuaranteed>>
[INFO] [stderr]   45:     0x7f3099afc4e1 - <<std[c49fe71d1e153478]::thread::Builder>::spawn_unchecked_<rustc_interface[a065794b3504c0d8]::util::run_in_thread_pool_with_globals<rustc_interface[a065794b3504c0d8]::interface::run_compiler<core[5dceb995eb6c8c1c]::result::Result<(), rustc_span[1c1785c13b4703b1]::ErrorGuaranteed>, rustc_driver_impl[dc743aefd116e4d1]::run_compiler::{closure#1}>::{closure#0}, core[5dceb995eb6c8c1c]::result::Result<(), rustc_span[1c1785c13b4703b1]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[5dceb995eb6c8c1c]::result::Result<(), rustc_span[1c1785c13b4703b1]::ErrorGuaranteed>>::{closure#1} as core[5dceb995eb6c8c1c]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]   46:     0x7f3096f493b5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h0d83cb2920a49046
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/alloc/src/boxed.rs:1973:9
[INFO] [stderr]   47:     0x7f3096f493b5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hbe0a008aa7d9ef59
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/alloc/src/boxed.rs:1973:9
[INFO] [stderr]   48:     0x7f3096f493b5 - std::sys::unix::thread::Thread::new::thread_start::h3a466996bdf6b1f9
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stderr]   49:     0x7f3096c7fb43 - <unknown>
[INFO] [stderr]   50:     0x7f3096d10bb4 - __clone
[INFO] [stderr]   51:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md
[INFO] [stderr] 
[INFO] [stderr] note: rustc 1.70.0-beta.1 (1b7dd2252 2023-04-19) running on x86_64-unknown-linux-gnu
[INFO] [stderr] 
[INFO] [stderr] note: compiler flags: --crate-type bin -C embed-bitcode=no -C debuginfo=2
[INFO] [stderr] 
[INFO] [stderr] note: some of the compiler flags provided by cargo are hidden
[INFO] [stderr] 
[INFO] [stderr] query stack during panic:
[INFO] [stderr] #0 [check_match] match-checking `<impl at src/main.rs:168:1: 168:10>::update`
[INFO] [stderr] #1 [analysis] running analysis passes on this crate
[INFO] [stderr] end of query stack
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `self-pong` (bin "self-pong") due to previous error
[INFO] running `Command { std: "docker" "inspect" "4d8ec82aa401e1c8f2d7a6f32351a499197f35da163da2f2a5016ec3c938a67e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d8ec82aa401e1c8f2d7a6f32351a499197f35da163da2f2a5016ec3c938a67e", kill_on_drop: false }`
[INFO] [stdout] 4d8ec82aa401e1c8f2d7a6f32351a499197f35da163da2f2a5016ec3c938a67e
