[INFO] fetching crate httpflv 0.4.5...
[INFO] documenting httpflv-0.4.5 against 1.100.0-beta.1 for beta-rustdoc-1.100-2
[INFO] extracting crate httpflv 0.4.5 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate httpflv 0.4.5
[INFO] finished tweaking crates.io crate httpflv 0.4.5
[INFO] tweaked toml for crates.io crate httpflv 0.4.5 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate httpflv 0.4.5 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ddcc01c16941061fc6e2b5df7c86988f704bcd97818d060aface343cc27e6af9
[INFO] running `Command { std: "docker" "start" "ddcc01c16941061fc6e2b5df7c86988f704bcd97818d060aface343cc27e6af9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddcc01c16941061fc6e2b5df7c86988f704bcd97818d060aface343cc27e6af9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ddcc01c16941061fc6e2b5df7c86988f704bcd97818d060aface343cc27e6af9" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddcc01c16941061fc6e2b5df7c86988f704bcd97818d060aface343cc27e6af9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ddcc01c16941061fc6e2b5df7c86988f704bcd97818d060aface343cc27e6af9" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]  Documenting httpflv v0.4.5 (/opt/rustwide/workdir)
[INFO] [stderr] 
[INFO] [stderr] thread 'rustc' (12365) panicked at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/src/librustdoc/clean/mod.rs:3222:36:
[INFO] [stderr] called `Option::unwrap()` on a `None` value
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x76480f38a9d6 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stderr]    1:     0x76480fa0d08f - core[a373ad73a504971]::fmt::write
[INFO] [stderr]    2:     0x76481108356c - <std[617be2ca0a6fd877]::sys::stdio::unix::Stderr as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stderr]    3:     0x76480f35d60a - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stderr]    4:     0x76480f37f103 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stderr]    5:     0x76480e092665 - std[617be2ca0a6fd877]::panicking::update_hook::<alloc[2e1b2a31b91974c5]::boxed::Box<rustc_driver_impl[fec14241f8975cfd]::install_ice_hook::{closure#1}>>::{closure#0}
[INFO] [stderr]    6:     0x76480f37f5a2 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stderr]    7:     0x76480f35d6f4 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stderr]    8:     0x76480f355279 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]    9:     0x76480f35f29d - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stderr]   10:     0x76480bd9807c - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stderr]   11:     0x76480bff67d2 - core[a373ad73a504971]::panicking::panic
[INFO] [stderr]   12:     0x76480c193cc9 - core[a373ad73a504971]::option::unwrap_failed
[INFO] [stderr]   13:     0x645d7d4209b0 - rustdoc[24693486f4b27d78]::clean::clean_use_statement
[INFO] [stderr]   14:     0x645d7d41bd8a - rustdoc[24693486f4b27d78]::clean::clean_maybe_renamed_item::{closure#0}
[INFO] [stderr]   15:     0x645d7d426d81 - rustdoc[24693486f4b27d78]::clean::clean_doc_module
[INFO] [stderr]   16:     0x645d7d426ad2 - rustdoc[24693486f4b27d78]::clean::clean_doc_module
[INFO] [stderr]   17:     0x645d7d4a77cd - rustdoc[24693486f4b27d78]::core::run_global_ctxt
[INFO] [stderr]   18:     0x645d7d651dbe - rustdoc[24693486f4b27d78]::main_args::{closure#2}::{closure#0}
[INFO] [stderr]   19:     0x645d7d65f1fd - rustc_interface[f286839d7ce16120]::interface::run_compiler::<(), rustdoc[24693486f4b27d78]::main_args::{closure#2}>::{closure#2}
[INFO] [stderr]   20:     0x645d7d65cfd3 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface[f286839d7ce16120]::util::run_in_thread_with_globals<rustc_interface[f286839d7ce16120]::util::run_in_thread_pool_with_globals<rustc_interface[f286839d7ce16120]::interface::run_compiler<(), rustdoc[24693486f4b27d78]::main_args::{closure#2}>::{closure#2}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>
[INFO] [stderr]   21:     0x645d7d65cd3f - <std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<rustc_interface[f286839d7ce16120]::util::run_in_thread_with_globals<rustc_interface[f286839d7ce16120]::util::run_in_thread_pool_with_globals<rustc_interface[f286839d7ce16120]::interface::run_compiler<(), rustdoc[24693486f4b27d78]::main_args::{closure#2}>::{closure#2}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]   22:     0x764810c2a3ad - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stderr]   23:     0x764809e82dfa - <unknown>
[INFO] [stderr]   24:     0x764809f163d4 - clone
[INFO] [stderr]   25:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] error: 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-rustdoc&template=ice.md
[INFO] [stderr] 
[INFO] [stderr] note: rustc 1.100.0-beta.1 (e3feeb59c 2026-09-27) 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 `httpflv`
[INFO] running `Command { std: "docker" "inspect" "ddcc01c16941061fc6e2b5df7c86988f704bcd97818d060aface343cc27e6af9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddcc01c16941061fc6e2b5df7c86988f704bcd97818d060aface343cc27e6af9", kill_on_drop: false }`
[INFO] [stdout] ddcc01c16941061fc6e2b5df7c86988f704bcd97818d060aface343cc27e6af9