[INFO] cloning repository https://github.com/Bobxcat/byte_chan_buf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bobxcat/byte_chan_buf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBobxcat%2Fbyte_chan_buf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBobxcat%2Fbyte_chan_buf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b03aaef7ccb58b2bc7a47108b78ef494ed212b36
[INFO] building Bobxcat/byte_chan_buf against try#9b5e8b16bd1c4acf4cf8e6880368314cf021a987+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBobxcat%2Fbyte_chan_buf" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Bobxcat/byte_chan_buf on toolchain 9b5e8b16bd1c4acf4cf8e6880368314cf021a987
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Bobxcat/byte_chan_buf
[INFO] finished tweaking git repo https://github.com/Bobxcat/byte_chan_buf
[INFO] tweaked toml for git repo https://github.com/Bobxcat/byte_chan_buf written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Bobxcat/byte_chan_buf 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" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64b60a3fcebbdfa595764a3f59d556176f5e485a69b593827f2315a06d20bb6f
[INFO] running `Command { std: "docker" "start" "-a" "64b60a3fcebbdfa595764a3f59d556176f5e485a69b593827f2315a06d20bb6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64b60a3fcebbdfa595764a3f59d556176f5e485a69b593827f2315a06d20bb6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64b60a3fcebbdfa595764a3f59d556176f5e485a69b593827f2315a06d20bb6f", kill_on_drop: false }`
[INFO] [stdout] 64b60a3fcebbdfa595764a3f59d556176f5e485a69b593827f2315a06d20bb6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b285d493e83f9d65e5b660692c51d1345c54571a83a68d9ed78996d0bc836331
[INFO] running `Command { std: "docker" "start" "-a" "b285d493e83f9d65e5b660692c51d1345c54571a83a68d9ed78996d0bc836331", kill_on_drop: false }`
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling byte_chan_buf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] thread 'rustc' panicked at compiler/rustc_mir_build/src/builder/scope.rs:1724:17:
[INFO] [stdout] error: internal compiler error: compiler/rustc_mir_build/src/builder/scope.rs:1724:17: cannot unwind from goto -> bb36
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Box<dyn Any>
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x7db398381caa - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h636462e57d5ef1e1
[INFO] [stderr]    1:     0x7db398a13cbc - core::fmt::write::h067060808ac50eb9
[INFO] [stderr]    2:     0x7db399928e11 - std::io::Write::write_fmt::h4674fa2ed7c0dfdd
[INFO] [stderr]    3:     0x7db398381b02 - std::sys::backtrace::BacktraceLock::print::h0c77148acfb0b5e9
[INFO] [stderr]    4:     0x7db398383ffa - std::panicking::default_hook::{{closure}}::h30daa8e7c6ccb09d
[INFO] [stderr]    5:     0x7db398383e43 - std::panicking::default_hook::h25f21dc0f2064615
[INFO] [stderr]    6:     0x7db3974eff28 - std[b36e883d67eb0403]::panicking::update_hook::<alloc[b228c160e2f6f380]::boxed::Box<rustc_driver_impl[be5855d19ccc8b6c]::install_ice_hook::{closure#0}>>::{closure#0}
[INFO] [stderr]    7:     0x7db3983847b8 - std::panicking::rust_panic_with_hook::hc98438687e833605
[INFO] [stderr]    8:     0x7db39752a341 - std[b36e883d67eb0403]::panicking::begin_panic::<rustc_errors[485cd74d39701405]::ExplicitBug>::{closure#0}
[INFO] [stderr]    9:     0x7db39751f526 - std[b36e883d67eb0403]::sys::backtrace::__rust_end_short_backtrace::<std[b36e883d67eb0403]::panicking::begin_panic<rustc_errors[485cd74d39701405]::ExplicitBug>::{closure#0}, !>
[INFO] [stderr]   10:     0x7db39751f50d - std[b36e883d67eb0403]::panicking::begin_panic::<rustc_errors[485cd74d39701405]::ExplicitBug>
[INFO] [stderr]   11:     0x7db3975342a1 - <rustc_errors[485cd74d39701405]::diagnostic::BugAbort as rustc_errors[485cd74d39701405]::diagnostic::EmissionGuarantee>::emit_producing_guarantee
[INFO] [stderr]   12:     0x7db397a84fdc - <rustc_errors[485cd74d39701405]::DiagCtxtHandle>::span_bug::<rustc_span[26755a3edc0cc6c0]::span_encoding::Span, alloc[b228c160e2f6f380]::string::String>
[INFO] [stderr]   13:     0x7db397b0a897 - rustc_middle[8ad6e8ce52578819]::util::bug::opt_span_bug_fmt::<rustc_span[26755a3edc0cc6c0]::span_encoding::Span>::{closure#0}
[INFO] [stderr]   14:     0x7db397af006a - rustc_middle[8ad6e8ce52578819]::ty::context::tls::with_opt::<rustc_middle[8ad6e8ce52578819]::util::bug::opt_span_bug_fmt<rustc_span[26755a3edc0cc6c0]::span_encoding::Span>::{closure#0}, !>::{closure#0}
[INFO] [stderr]   15:     0x7db397aefefb - rustc_middle[8ad6e8ce52578819]::ty::context::tls::with_context_opt::<rustc_middle[8ad6e8ce52578819]::ty::context::tls::with_opt<rustc_middle[8ad6e8ce52578819]::util::bug::opt_span_bug_fmt<rustc_span[26755a3edc0cc6c0]::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
[INFO] [stderr]   16:     0x7db395f34437 - rustc_middle[8ad6e8ce52578819]::util::bug::span_bug_fmt::<rustc_span[26755a3edc0cc6c0]::span_encoding::Span>
[INFO] [stderr]   17:     0x7db3993d541b - <rustc_mir_build[73684a27b88b946a]::builder::Builder>::build_unwind_tree
[INFO] [stderr]   18:     0x7db3993cd7cd - rustc_mir_build[73684a27b88b946a]::builder::mir_build
[INFO] [stderr]   19:     0x7db398a07714 - rustc_mir_transform[857cd804783fef4d]::mir_built
[INFO] [stderr]   20:     0x7db398a076d7 - rustc_query_impl[1e55094a59e290f4]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[1e55094a59e290f4]::query_impl::mir_built::dynamic_query::{closure#2}::{closure#0}, rustc_middle[8ad6e8ce52578819]::query::erase::Erased<[u8; 8usize]>>
[INFO] [stderr]   21:     0x7db398c953d1 - rustc_query_system[67781f9dc633c543]::query::plumbing::try_execute_query::<rustc_query_impl[1e55094a59e290f4]::DynamicConfig<rustc_data_structures[e21ff9714bc20455]::vec_cache::VecCache<rustc_span[26755a3edc0cc6c0]::def_id::LocalDefId, rustc_middle[8ad6e8ce52578819]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[67781f9dc633c543]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[1e55094a59e290f4]::plumbing::QueryCtxt, false>
[INFO] [stderr]   22:     0x7db398c94f8d - rustc_query_impl[1e55094a59e290f4]::query_impl::mir_built::get_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   23:     0x7db395a67185 - rustc_mir_build[73684a27b88b946a]::check_unsafety::check_unsafety
[INFO] [stderr]   24:     0x7db3992e98a7 - rustc_query_impl[1e55094a59e290f4]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[1e55094a59e290f4]::query_impl::check_unsafety::dynamic_query::{closure#2}::{closure#0}, rustc_middle[8ad6e8ce52578819]::query::erase::Erased<[u8; 0usize]>>
[INFO] [stderr]   25:     0x7db3992e9b69 - rustc_query_system[67781f9dc633c543]::query::plumbing::try_execute_query::<rustc_query_impl[1e55094a59e290f4]::DynamicConfig<rustc_data_structures[e21ff9714bc20455]::vec_cache::VecCache<rustc_span[26755a3edc0cc6c0]::def_id::LocalDefId, rustc_middle[8ad6e8ce52578819]::query::erase::Erased<[u8; 0usize]>, rustc_query_system[67781f9dc633c543]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[1e55094a59e290f4]::plumbing::QueryCtxt, false>
[INFO] [stderr]   26:     0x7db3992e97d1 - rustc_query_impl[1e55094a59e290f4]::query_impl::check_unsafety::get_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   27:     0x7db398e9bd32 - rustc_interface[b59e7ee7606ca029]::passes::run_required_analyses
[INFO] [stderr]   28:     0x7db39992cc9e - rustc_interface[b59e7ee7606ca029]::passes::analysis
[INFO] [stderr]   29:     0x7db39992cc6f - rustc_query_impl[1e55094a59e290f4]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[1e55094a59e290f4]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[8ad6e8ce52578819]::query::erase::Erased<[u8; 0usize]>>
[INFO] [stderr]   30:     0x7db39997b355 - rustc_query_system[67781f9dc633c543]::query::plumbing::try_execute_query::<rustc_query_impl[1e55094a59e290f4]::DynamicConfig<rustc_query_system[67781f9dc633c543]::query::caches::SingleCache<rustc_middle[8ad6e8ce52578819]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[1e55094a59e290f4]::plumbing::QueryCtxt, false>
[INFO] [stderr]   31:     0x7db39997b08e - rustc_query_impl[1e55094a59e290f4]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   32:     0x7db3999701de - rustc_interface[b59e7ee7606ca029]::passes::create_and_enter_global_ctxt::<core[303105738bd0c2ae]::option::Option<rustc_interface[b59e7ee7606ca029]::queries::Linker>, rustc_driver_impl[be5855d19ccc8b6c]::run_compiler::{closure#0}::{closure#2}>::{closure#2}::{closure#0}
[INFO] [stderr]   33:     0x7db3999dff51 - rustc_interface[b59e7ee7606ca029]::interface::run_compiler::<(), rustc_driver_impl[be5855d19ccc8b6c]::run_compiler::{closure#0}>::{closure#1}
[INFO] [stderr]   34:     0x7db3998f5087 - std[b36e883d67eb0403]::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface[b59e7ee7606ca029]::util::run_in_thread_with_globals<rustc_interface[b59e7ee7606ca029]::util::run_in_thread_pool_with_globals<rustc_interface[b59e7ee7606ca029]::interface::run_compiler<(), rustc_driver_impl[be5855d19ccc8b6c]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>
[INFO] [stderr]   35:     0x7db3998f551c - <<std[b36e883d67eb0403]::thread::Builder>::spawn_unchecked_<rustc_interface[b59e7ee7606ca029]::util::run_in_thread_with_globals<rustc_interface[b59e7ee7606ca029]::util::run_in_thread_pool_with_globals<rustc_interface[b59e7ee7606ca029]::interface::run_compiler<(), rustc_driver_impl[be5855d19ccc8b6c]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[303105738bd0c2ae]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]   36:     0x7db3998f6aef - std::sys::pal::unix::thread::Thread::new::thread_start::ha554cc4ba6335b05
[INFO] [stderr]   37:     0x7db39afefac3 - <unknown>
[INFO] [stderr]   38:     0x7db39b080a04 - clone
[INFO] [stderr]   39:                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: please make sure that you have updated to the latest nightly
[INFO] [stderr] 
[INFO] [stderr] warning: the ICE couldn't be written to `/opt/rustwide/workdir/rustc-ice-2024-12-31T19_58_19-87.txt`: Read-only file system (os error 30)
[INFO] [stderr] 
[INFO] [stderr] note: rustc 1.85.0-nightly (9b5e8b16b 2024-12-19) 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] #0 [mir_built] building MIR for `<impl at src/lib.rs:179:1: 179:21>::read`
[INFO] [stderr] #1 [check_unsafety] unsafety-checking `<impl at src/lib.rs:179:1: 179:21>::read`
[INFO] [stderr] #2 [analysis] running analysis passes on this crate
[INFO] [stderr] end of query stack
[INFO] [stderr] error: could not compile `byte_chan_buf` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/9b5e8b16bd1c4acf4cf8e6880368314cf021a987/bin/rustc --crate-name byte_chan_buf --edition=2021 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values())' -C metadata=bae0c47774a8f2dc -C extra-filename=-843045b1af6e4e1c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-aef22795dae97704.rmeta --cap-lints=forbid -Dtail-expr-drop-order` (exit status: 101)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b285d493e83f9d65e5b660692c51d1345c54571a83a68d9ed78996d0bc836331", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b285d493e83f9d65e5b660692c51d1345c54571a83a68d9ed78996d0bc836331", kill_on_drop: false }`
[INFO] [stdout] b285d493e83f9d65e5b660692c51d1345c54571a83a68d9ed78996d0bc836331