[INFO] cloning repository https://github.com/mryndzionek/max7219-embassy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mryndzionek/max7219-embassy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmryndzionek%2Fmax7219-embassy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmryndzionek%2Fmax7219-embassy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a1b32c58404526047026bf12acfbf0ccb07139eb
[INFO] checking mryndzionek/max7219-embassy against try#19b2ca067bf5289cfffa296a3ab03a538d513623 for pr-112365-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmryndzionek%2Fmax7219-embassy" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mryndzionek/max7219-embassy on toolchain 19b2ca067bf5289cfffa296a3ab03a538d513623
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19b2ca067bf5289cfffa296a3ab03a538d513623" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mryndzionek/max7219-embassy
[INFO] finished tweaking git repo https://github.com/mryndzionek/max7219-embassy
[INFO] tweaked toml for git repo https://github.com/mryndzionek/max7219-embassy written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mryndzionek/max7219-embassy 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" "+19b2ca067bf5289cfffa296a3ab03a538d513623" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ee140239ab1b0f8122969764b067164664e0d95d26f53df575574e2e5e286359" "/opt/rustwide/cargo-home/bin/cargo" "+19b2ca067bf5289cfffa296a3ab03a538d513623" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6dae001b8af1a94ae5bd30f8e054eb45a8d262e972bb5eb152b6384f2295335e
[INFO] running `Command { std: "docker" "start" "-a" "6dae001b8af1a94ae5bd30f8e054eb45a8d262e972bb5eb152b6384f2295335e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6dae001b8af1a94ae5bd30f8e054eb45a8d262e972bb5eb152b6384f2295335e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dae001b8af1a94ae5bd30f8e054eb45a8d262e972bb5eb152b6384f2295335e", kill_on_drop: false }`
[INFO] [stdout] 6dae001b8af1a94ae5bd30f8e054eb45a8d262e972bb5eb152b6384f2295335e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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:ee140239ab1b0f8122969764b067164664e0d95d26f53df575574e2e5e286359" "/opt/rustwide/cargo-home/bin/cargo" "+19b2ca067bf5289cfffa296a3ab03a538d513623" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09f74694b7da6c5e75348fe47c13c3d89744aa7ff0226b17910d243dec742343
[INFO] running `Command { std: "docker" "start" "-a" "09f74694b7da6c5e75348fe47c13c3d89744aa7ff0226b17910d243dec742343", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.16
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking embedded-hal v1.0.0-alpha.9
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking embedded-hal-async v0.2.0-alpha.0
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking spin v0.9.5
[INFO] [stderr]    Compiling heapless v0.7.16
[INFO] [stderr]     Checking embedded-graphics-core v0.3.3
[INFO] [stderr]     Checking max7219-embassy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(generic_const_exprs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(generic_const_exprs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: internal compiler error: no errors encountered even though `delay_span_bug` issued
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: internal compiler error: broken MIR in Item(DefId(0:136 ~ max7219_embassy[bc9a]::{impl#0}::flush::{closure#0})) (after phase change to runtime-optimized) at bb10[1]:
[INFO] [stdout]                                 encountered `Assign(((((*_79) as variant#3).4: [u8; 2 * COUNT]), [const 0_u8; 2 * COUNT]))` with incompatible types:
[INFO] [stdout]                                 left-hand side has type: [u8; 2 * COUNT]
[INFO] [stdout]                                 right-hand side has type: [u8; 2 * COUNT]
[INFO] [stdout]    --> src/lib.rs:104:47
[INFO] [stdout]     |
[INFO] [stdout] 104 |             let mut buffer: [u8; 2 * COUNT] = [0; 2 * COUNT];
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: delayed at compiler/rustc_const_eval/src/transform/validate.rs:76:25
[INFO] [stdout]          0: <rustc_errors::HandlerInner>::emit_diagnostic
[INFO] [stdout]          1: <rustc_errors::Handler>::delay_span_bug::<rustc_span::span_encoding::Span, alloc::string::String>
[INFO] [stdout]          2: <rustc_const_eval::transform::validate::CfgChecker>::fail::<alloc::string::String>
[INFO] [stdout]          3: <rustc_const_eval::transform::validate::Validator as rustc_middle::mir::MirPass>::run_pass
[INFO] [stdout]          4: rustc_mir_transform::pass_manager::run_passes
[INFO] [stdout]          5: rustc_mir_transform::optimized_mir
[INFO] [stdout]          6: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::optimized_mir::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 8]>>
[INFO] [stdout]          7: <rustc_query_impl::query_impl::optimized_mir::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, rustc_span::def_id::DefId)>>::call_once
[INFO] [stdout]          8: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::DefaultCache<rustc_span::def_id::DefId, rustc_middle::query::erase::Erased<[u8; 8]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, false>
[INFO] [stdout]          9: rustc_query_impl::query_impl::optimized_mir::get_query_non_incr::__rust_end_short_backtrace
[INFO] [stdout]         10: <rustc_metadata::rmeta::encoder::EncodeContext>::encode_crate_root
[INFO] [stdout]         11: rustc_metadata::rmeta::encoder::encode_metadata_impl
[INFO] [stdout]         12: rustc_metadata::rmeta::encoder::encode_metadata
[INFO] [stdout]         13: rustc_metadata::fs::encode_and_write_metadata
[INFO] [stdout]         14: rustc_interface::passes::start_codegen
[INFO] [stdout]         15: <rustc_middle::ty::context::GlobalCtxt>::enter::<<rustc_interface::queries::Queries>::ongoing_codegen::{closure#0}, core::result::Result<alloc::boxed::Box<dyn core::any::Any>, rustc_span::ErrorGuaranteed>>
[INFO] [stdout]         16: <rustc_interface::interface::Compiler>::enter::<rustc_driver_impl::run_compiler::{closure#1}::{closure#2}, core::result::Result<core::option::Option<rustc_interface::queries::Linker>, rustc_span::ErrorGuaranteed>>
[INFO] [stdout]         17: std::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
[INFO] [stdout]         18: <<std::thread::Builder>::spawn_unchecked_<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]         19: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]                    at /rustc/19b2ca067bf5289cfffa296a3ab03a538d513623/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]         20: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]                    at /rustc/19b2ca067bf5289cfffa296a3ab03a538d513623/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]         21: std::sys::unix::thread::Thread::new::thread_start
[INFO] [stdout]                    at /rustc/19b2ca067bf5289cfffa296a3ab03a538d513623/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]         22: <unknown>
[INFO] [stdout]         23: __clone
[INFO] [stdout]    --> src/lib.rs:104:47
[INFO] [stdout]     |
[INFO] [stdout] 104 |             let mut buffer: [u8; 2 * COUNT] = [0; 2 * COUNT];
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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] warning: the ICE couldn't be written to `/opt/rustwide/workdir/rustc-ice-2023-08-19T18:53:10.020505583Z-178.txt`: Read-only file system (os error 30)
[INFO] [stderr] 
[INFO] [stderr] note: rustc 1.73.0-nightly (19b2ca067 2023-08-15) running on x86_64-unknown-linux-gnu
[INFO] [stderr] 
[INFO] [stderr] note: compiler flags: --crate-type lib -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] end of query stack
[INFO] [stderr] error: could not compile `max7219-embassy` (lib); 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "09f74694b7da6c5e75348fe47c13c3d89744aa7ff0226b17910d243dec742343", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09f74694b7da6c5e75348fe47c13c3d89744aa7ff0226b17910d243dec742343", kill_on_drop: false }`
[INFO] [stdout] 09f74694b7da6c5e75348fe47c13c3d89744aa7ff0226b17910d243dec742343