[INFO] cloning repository https://github.com/MaartenStaa/advent-of-code-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MaartenStaa/advent-of-code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaartenStaa%2Fadvent-of-code-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaartenStaa%2Fadvent-of-code-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0784923099a9ca52f99fb530da338af0a3ff9859
[INFO] documenting MaartenStaa/advent-of-code-2020 against beta-2023-05-30 for beta-1.71-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaartenStaa%2Fadvent-of-code-2020" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MaartenStaa/advent-of-code-2020 on toolchain beta-2023-05-30
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-05-30" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MaartenStaa/advent-of-code-2020
[INFO] finished tweaking git repo https://github.com/MaartenStaa/advent-of-code-2020
[INFO] tweaked toml for git repo https://github.com/MaartenStaa/advent-of-code-2020 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/MaartenStaa/advent-of-code-2020 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-2023-05-30" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-05-30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70d977002f0b8249136c427ba5e10afc78eefddb56f7ca30f0b99b93fef5c4bd
[INFO] running `Command { std: "docker" "start" "-a" "70d977002f0b8249136c427ba5e10afc78eefddb56f7ca30f0b99b93fef5c4bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70d977002f0b8249136c427ba5e10afc78eefddb56f7ca30f0b99b93fef5c4bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70d977002f0b8249136c427ba5e10afc78eefddb56f7ca30f0b99b93fef5c4bd", kill_on_drop: false }`
[INFO] [stdout] 70d977002f0b8249136c427ba5e10afc78eefddb56f7ca30f0b99b93fef5c4bd
[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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-05-30" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a38c19a04dc79b099b0776f589fa7c25e96359ebd18e2b1118820f82c9e835c1
[INFO] running `Command { std: "docker" "start" "-a" "a38c19a04dc79b099b0776f589fa7c25e96359ebd18e2b1118820f82c9e835c1", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]  Documenting day1-1 v0.1.0 (/opt/rustwide/workdir/day1-1)
[INFO] [stderr]  Documenting day1-2 v0.1.0 (/opt/rustwide/workdir/day1-2)
[INFO] [stderr]  Documenting day3-1 v0.1.0 (/opt/rustwide/workdir/day3-1)
[INFO] [stderr]  Documenting day3-2 v0.1.0 (/opt/rustwide/workdir/day3-2)
[INFO] [stderr]  Documenting day4-1 v0.1.0 (/opt/rustwide/workdir/day4-1)
[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: skipped implied_outlives_bounds due to unconstrained lifetimes
[INFO] [stdout]   --> day4-1/src/split.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn next(&mut self) -> Option<Self::Item> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: delayed at compiler/rustc_trait_selection/src/traits/outlives_bounds.rs:64:27
[INFO] [stdout]               0: <rustc_errors::HandlerInner>::emit_diagnostic
[INFO] [stdout]               1: <rustc_errors::Handler>::delay_span_bug::<rustc_span::span_encoding::Span, &str>
[INFO] [stdout]               2: <rustc_infer::infer::InferCtxt as rustc_trait_selection::traits::outlives_bounds::InferCtxtExt>::implied_outlives_bounds
[INFO] [stdout]               3: <rustc_infer::infer::outlives::env::OutlivesEnvironment>::with_bounds::<core::iter::adapters::flatten::FlatMap<indexmap::set::IntoIter<rustc_middle::ty::Ty>, alloc::vec::Vec<rustc_middle::traits::query::OutlivesBound>, <rustc_infer::infer::InferCtxt as rustc_trait_selection::traits::outlives_bounds::InferCtxtExt>::implied_bounds_tys::{closure#0}>>
[INFO] [stdout]               4: rustc_hir_analysis::check::compare_impl_item::compare_method_predicate_entailment
[INFO] [stdout]               5: rustc_hir_analysis::check::compare_impl_item::compare_impl_method
[INFO] [stdout]               6: rustc_hir_analysis::check::check::check_mod_item_types
[INFO] [stdout]               7: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::check_mod_item_types::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 0]>>
[INFO] [stdout]               8: <rustc_query_impl::query_impl::check_mod_item_types::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, rustc_span::def_id::LocalDefId)>>::call_once
[INFO] [stdout]               9: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 0]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, false>
[INFO] [stdout]              10: rustc_query_impl::query_impl::check_mod_item_types::get_query_non_incr::__rust_end_short_backtrace
[INFO] [stdout]              11: <rustc_middle::hir::map::Map>::for_each_module::<rustdoc::core::run_global_ctxt::{closure#1}::{closure#0}>
[INFO] [stdout]              12: <rustc_session::session::Session>::time::<(), rustdoc::core::run_global_ctxt::{closure#1}>
[INFO] [stdout]              13: rustdoc::core::run_global_ctxt
[INFO] [stdout]              14: <rustc_session::session::Session>::time::<(rustdoc::clean::types::Crate, rustdoc::config::RenderOptions, rustdoc::formats::cache::Cache), rustdoc::main_args::{closure#1}::{closure#0}::{closure#0}::{closure#0}>
[INFO] [stdout]              15: <rustc_middle::ty::context::GlobalCtxt>::enter::<rustdoc::main_args::{closure#1}::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
[INFO] [stdout]              16: <rustc_interface::interface::Compiler>::enter::<rustdoc::main_args::{closure#1}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
[INFO] [stdout]              17: rustc_span::set_source_map::<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustdoc::main_args::{closure#1}>::{closure#0}::{closure#0}>
[INFO] [stdout]              18: <scoped_tls::ScopedKey<rustc_span::SessionGlobals>>::set::<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustdoc::main_args::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
[INFO] [stdout]              19: 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>, rustdoc::main_args::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
[INFO] [stdout]              20: <<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>, rustdoc::main_args::{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]              21: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]                         at /rustc/eff24c06d8f4397802b546aa2e52450e1022fc02/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]              22: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]                         at /rustc/eff24c06d8f4397802b546aa2e52450e1022fc02/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]              23: std::sys::unix::thread::Thread::new::thread_start
[INFO] [stdout]                         at /rustc/eff24c06d8f4397802b546aa2e52450e1022fc02/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]              24: <unknown>
[INFO] [stdout]              25: __clone
[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-rustdoc&template=ice.md
[INFO] [stderr] 
[INFO] [stderr] note: rustc 1.71.0-beta.1 (eff24c06d 2023-05-29) running on x86_64-unknown-linux-gnu
[INFO] [stderr] 
[INFO] [stderr] note: compiler flags: --crate-type bin
[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 `day4-1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2023-05-30-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type bin --crate-name day4_1 day4-1/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=947b81aef04d708c -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (exit status: 101)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a38c19a04dc79b099b0776f589fa7c25e96359ebd18e2b1118820f82c9e835c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a38c19a04dc79b099b0776f589fa7c25e96359ebd18e2b1118820f82c9e835c1", kill_on_drop: false }`
[INFO] [stdout] a38c19a04dc79b099b0776f589fa7c25e96359ebd18e2b1118820f82c9e835c1