[INFO] fetching crate bisector 0.4.0...
[INFO] documenting bisector-0.4.0 against beta-2023-01-01 for beta-1.67-rustdoc-3
[INFO] extracting crate bisector 0.4.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate bisector 0.4.0 on toolchain beta-2023-01-01
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-01-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bisector 0.4.0
[INFO] finished tweaking crates.io crate bisector 0.4.0
[INFO] tweaked toml for crates.io crate bisector 0.4.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate bisector 0.4.0 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" "+beta-2023-01-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:9042d5c95763f71f7b0904716b98ccadf9fc47b0f382ee962aaaed2ac70c9b8d" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7fe326af429b8127a55d6981d977da0dd1e1cf63a699743a4f37f98c08a6d73b
[INFO] running `Command { std: "docker" "start" "-a" "7fe326af429b8127a55d6981d977da0dd1e1cf63a699743a4f37f98c08a6d73b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fe326af429b8127a55d6981d977da0dd1e1cf63a699743a4f37f98c08a6d73b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fe326af429b8127a55d6981d977da0dd1e1cf63a699743a4f37f98c08a6d73b", kill_on_drop: false }`
[INFO] [stdout] 7fe326af429b8127a55d6981d977da0dd1e1cf63a699743a4f37f98c08a6d73b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:9042d5c95763f71f7b0904716b98ccadf9fc47b0f382ee962aaaed2ac70c9b8d" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-01-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c80e39cff6cd0d337dfb868c8a6ea0d7d4742645bea1f3f6cdfe5ea4125dce87
[INFO] running `Command { std: "docker" "start" "-a" "c80e39cff6cd0d337dfb868c8a6ea0d7d4742645bea1f3f6cdfe5ea4125dce87", kill_on_drop: false }`
[INFO] [stderr]  Documenting bisector v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] thread 'rustc' panicked at 'no entry found for key', src/librustdoc/passes/collect_intra_doc_links.rs:782:16
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x7f1e576c36fa - std::backtrace_rs::backtrace::libunwind::trace::h978e27957abe9ec8
[INFO] [stderr]                                at /rustc/51b03459a49d03dbad7d120fb8575fc4580c057b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]    1:     0x7f1e576c36fa - std::backtrace_rs::backtrace::trace_unsynchronized::hda0b2ee4eb8889ee
[INFO] [stderr]                                at /rustc/51b03459a49d03dbad7d120fb8575fc4580c057b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]    2:     0x7f1e576c36fa - std::sys_common::backtrace::_print_fmt::hb512047558eec3a0
[INFO] [stderr]                                at /rustc/51b03459a49d03dbad7d120fb8575fc4580c057b/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stderr]    3:     0x7f1e576c36fa - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hd105841b48c1fe4a
[INFO] [stderr]                                at /rustc/51b03459a49d03dbad7d120fb8575fc4580c057b/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]    4:     0x7f1e5772625e - core::fmt::write::hc838374c4511507a
[INFO] [stderr]                                at /rustc/51b03459a49d03dbad7d120fb8575fc4580c057b/library/core/src/fmt/mod.rs:1208:17
[INFO] [stderr]    5:     0x7f1e576b3a85 - std::io::Write::write_fmt::he384fa071dfe3205
[INFO] [stderr]                                at /rustc/51b03459a49d03dbad7d120fb8575fc4580c057b/library/std/src/io/mod.rs:1682:15
[INFO] [stderr]    6:     0x7f1e576c34c5 - std::sys_common::backtrace::_print::hf70d489e3e0ccdf2
[INFO] [stderr]                                at /rustc/51b03459a49d03dbad7d120fb8575fc4580c057b/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]    7:     0x7f1e576c34c5 - std::sys_common::backtrace::print::h8b4ab3fd0b90d8f7
[INFO] [stderr]                                at /rustc/51b03459a49d03dbad7d120fb8575fc4580c057b/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]    8:     0x7f1e576c620f - std::panicking::default_hook::{{closure}}::h0ab48fb1514d43c4
[INFO] [stderr]                                at /rustc/51b03459a49d03dbad7d120fb8575fc4580c057b/library/std/src/panicking.rs:267:22
[INFO] [stderr]    9:     0x7f1e576c5f4b - std::panicking::default_hook::h3ed7912b002232f0
[INFO] [stderr]                                at /rustc/51b03459a49d03dbad7d120fb8575fc4580c057b/library/std/src/panicking.rs:286:9
[INFO] [stderr]   10:     0x7f1e5a9d0031 - <rustc_driver[7425220023d07795]::DEFAULT_HOOK::{closure#0}::{closure#0} as core[ac5fd4f062c5f2e8]::ops::function::FnOnce<(&core[ac5fd4f062c5f2e8]::panic::panic_info::PanicInfo,)>>::call_once::{shim:vtable#0}
[INFO] [stderr]   11:     0x7f1e576c6a4d - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbe44562c2786a2bf
[INFO] [stderr]                                at /rustc/51b03459a49d03dbad7d120fb8575fc4580c057b/library/alloc/src/boxed.rs:2032:9
[INFO] [stderr]   12:     0x7f1e576c6a4d - std::panicking::rust_panic_with_hook::haf0112d9a902ec7a
[INFO] [stderr]                                at /rustc/51b03459a49d03dbad7d120fb8575fc4580c057b/library/std/src/panicking.rs:692:13
[INFO] [stderr]   13:     0x7f1e576c67c9 - std::panicking::begin_panic_handler::{{closure}}::h7e4ef07f9c52d77e
[INFO] [stderr]                                at /rustc/51b03459a49d03dbad7d120fb8575fc4580c057b/library/std/src/panicking.rs:579:13
[INFO] [stderr]   14:     0x7f1e576c3bac - std::sys_common::backtrace::__rust_end_short_backtrace::h811c215ce69bfc6d
[INFO] [stderr]                                at /rustc/51b03459a49d03dbad7d120fb8575fc4580c057b/library/std/src/sys_common/backtrace.rs:137:18
[INFO] [stderr]   15:     0x7f1e576c64d2 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/51b03459a49d03dbad7d120fb8575fc4580c057b/library/std/src/panicking.rs:575:5
[INFO] [stderr]   16:     0x7f1e57722c43 - core::panicking::panic_fmt::h68309f3cf962571d
[INFO] [stderr]                                at /rustc/51b03459a49d03dbad7d120fb8575fc4580c057b/library/core/src/panicking.rs:64:14
[INFO] [stderr]   17:     0x7f1e57722d91 - core::panicking::panic_display::h0f07fb9f4cedf03b
[INFO] [stderr]                                at /rustc/51b03459a49d03dbad7d120fb8575fc4580c057b/library/core/src/panicking.rs:135:5
[INFO] [stderr]   18:     0x7f1e57722d3b - core::panicking::panic_str::ha7908ee02ca7963e
[INFO] [stderr]                                at /rustc/51b03459a49d03dbad7d120fb8575fc4580c057b/library/core/src/panicking.rs:119:5
[INFO] [stderr]   19:     0x7f1e577229c6 - core::option::expect_failed::h5960cd34264c2109
[INFO] [stderr]                                at /rustc/51b03459a49d03dbad7d120fb8575fc4580c057b/library/core/src/option.rs:1879:5
[INFO] [stderr]   20:     0x56268a228a68 - rustdoc[1def7d5fd16d9d79]::passes::collect_intra_doc_links::resolve_associated_trait_item
[INFO] [stderr]   21:     0x56268a227750 - <rustdoc[1def7d5fd16d9d79]::passes::collect_intra_doc_links::LinkCollector>::resolve_associated_item
[INFO] [stderr]   22:     0x56268a2259d4 - <rustdoc[1def7d5fd16d9d79]::passes::collect_intra_doc_links::LinkCollector>::resolve
[INFO] [stderr]   23:     0x56268a22a674 - <rustdoc[1def7d5fd16d9d79]::passes::collect_intra_doc_links::LinkCollector as rustdoc[1def7d5fd16d9d79]::visit::DocVisitor>::visit_item
[INFO] [stderr]   24:     0x56268a23638a - <rustdoc[1def7d5fd16d9d79]::passes::collect_intra_doc_links::LinkCollector as rustdoc[1def7d5fd16d9d79]::visit::DocVisitor>::visit_inner_recur
[INFO] [stderr]   25:     0x56268a22d7cf - <rustdoc[1def7d5fd16d9d79]::passes::collect_intra_doc_links::LinkCollector as rustdoc[1def7d5fd16d9d79]::visit::DocVisitor>::visit_item
[INFO] [stderr]   26:     0x56268a223f3f - rustdoc[1def7d5fd16d9d79]::passes::collect_intra_doc_links::collect_intra_doc_links
[INFO] [stderr]   27:     0x56268a23ac8e - <rustc_session[d14266f14b287652]::session::Session>::time::<rustdoc[1def7d5fd16d9d79]::clean::types::Crate, rustdoc[1def7d5fd16d9d79]::core::run_global_ctxt::{closure#7}>
[INFO] [stderr]   28:     0x56268a2da969 - rustdoc[1def7d5fd16d9d79]::core::run_global_ctxt
[INFO] [stderr]   29:     0x56268a23cc84 - <rustc_interface[6660dff073970c51]::passes::QueryContext>::enter::<rustdoc[1def7d5fd16d9d79]::main_args::{closure#1}::{closure#0}::{closure#1}, core[ac5fd4f062c5f2e8]::result::Result<(), rustc_errors[33bf51c54e6886c3]::ErrorGuaranteed>>
[INFO] [stderr]   30:     0x56268a0a05da - <rustc_interface[6660dff073970c51]::interface::Compiler>::enter::<rustdoc[1def7d5fd16d9d79]::main_args::{closure#1}::{closure#0}, core[ac5fd4f062c5f2e8]::result::Result<(), rustc_errors[33bf51c54e6886c3]::ErrorGuaranteed>>
[INFO] [stderr]   31:     0x56268a1db34a - rustc_span[4fa7abc4af495d90]::with_source_map::<core[ac5fd4f062c5f2e8]::result::Result<(), rustc_errors[33bf51c54e6886c3]::ErrorGuaranteed>, rustc_interface[6660dff073970c51]::interface::run_compiler<core[ac5fd4f062c5f2e8]::result::Result<(), rustc_errors[33bf51c54e6886c3]::ErrorGuaranteed>, rustdoc[1def7d5fd16d9d79]::main_args::{closure#1}>::{closure#0}::{closure#0}>
[INFO] [stderr]   32:     0x56268a1a2785 - <scoped_tls[439d291db98492f5]::ScopedKey<rustc_span[4fa7abc4af495d90]::SessionGlobals>>::set::<rustc_interface[6660dff073970c51]::interface::run_compiler<core[ac5fd4f062c5f2e8]::result::Result<(), rustc_errors[33bf51c54e6886c3]::ErrorGuaranteed>, rustdoc[1def7d5fd16d9d79]::main_args::{closure#1}>::{closure#0}, core[ac5fd4f062c5f2e8]::result::Result<(), rustc_errors[33bf51c54e6886c3]::ErrorGuaranteed>>
[INFO] [stderr]   33:     0x56268a1eca30 - std[c7253eb6154f255d]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[6660dff073970c51]::util::run_in_thread_pool_with_globals<rustc_interface[6660dff073970c51]::interface::run_compiler<core[ac5fd4f062c5f2e8]::result::Result<(), rustc_errors[33bf51c54e6886c3]::ErrorGuaranteed>, rustdoc[1def7d5fd16d9d79]::main_args::{closure#1}>::{closure#0}, core[ac5fd4f062c5f2e8]::result::Result<(), rustc_errors[33bf51c54e6886c3]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[ac5fd4f062c5f2e8]::result::Result<(), rustc_errors[33bf51c54e6886c3]::ErrorGuaranteed>>
[INFO] [stderr]   34:     0x56268a33f7bf - <<std[c7253eb6154f255d]::thread::Builder>::spawn_unchecked_<rustc_interface[6660dff073970c51]::util::run_in_thread_pool_with_globals<rustc_interface[6660dff073970c51]::interface::run_compiler<core[ac5fd4f062c5f2e8]::result::Result<(), rustc_errors[33bf51c54e6886c3]::ErrorGuaranteed>, rustdoc[1def7d5fd16d9d79]::main_args::{closure#1}>::{closure#0}, core[ac5fd4f062c5f2e8]::result::Result<(), rustc_errors[33bf51c54e6886c3]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[ac5fd4f062c5f2e8]::result::Result<(), rustc_errors[33bf51c54e6886c3]::ErrorGuaranteed>>::{closure#1} as core[ac5fd4f062c5f2e8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]   35:     0x7f1e576d0803 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h54d26046d7be8c9c
[INFO] [stderr]                                at /rustc/51b03459a49d03dbad7d120fb8575fc4580c057b/library/alloc/src/boxed.rs:2000:9
[INFO] [stderr]   36:     0x7f1e576d0803 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h84cadbb2e149f885
[INFO] [stderr]                                at /rustc/51b03459a49d03dbad7d120fb8575fc4580c057b/library/alloc/src/boxed.rs:2000:9
[INFO] [stderr]   37:     0x7f1e576d0803 - std::sys::unix::thread::Thread::new::thread_start::h884320ec0f17150b
[INFO] [stderr]                                at /rustc/51b03459a49d03dbad7d120fb8575fc4580c057b/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stderr]   38:     0x7f1e57554609 - start_thread
[INFO] [stderr]   39:     0x7f1e57479133 - clone
[INFO] [stderr]   40:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] error: internal compiler error: unexpected panic
[INFO] [stderr] 
[INFO] [stderr] note: the compiler unexpectedly panicked. this is a bug.
[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 1.67.0-beta.6 (51b03459a 2022-12-31) running on x86_64-unknown-linux-gnu
[INFO] [stderr] 
[INFO] [stderr] note: compiler flags: --crate-type lib
[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 document `bisector`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name bisector src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=3dc760242d7ff45a -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.4.0` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "c80e39cff6cd0d337dfb868c8a6ea0d7d4742645bea1f3f6cdfe5ea4125dce87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c80e39cff6cd0d337dfb868c8a6ea0d7d4742645bea1f3f6cdfe5ea4125dce87", kill_on_drop: false }`
[INFO] [stdout] c80e39cff6cd0d337dfb868c8a6ea0d7d4742645bea1f3f6cdfe5ea4125dce87