[INFO] fetching crate async-session-r2d2 0.1.0... [INFO] documenting async-session-r2d2-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1 [INFO] extracting crate async-session-r2d2 0.1.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate async-session-r2d2 0.1.0 on toolchain 1.61.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate async-session-r2d2 0.1.0 [INFO] finished tweaking crates.io crate async-session-r2d2 0.1.0 [INFO] tweaked toml for crates.io crate async-session-r2d2 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded scheduled-thread-pool v0.2.6 [INFO] [stderr] Downloaded r2d2_sqlite v0.19.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 22e7d01f2de986f2cab6bee609e840c46d7a63b8a25574312459caf21611c8dd [INFO] running `Command { std: "docker" "start" "-a" "22e7d01f2de986f2cab6bee609e840c46d7a63b8a25574312459caf21611c8dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "22e7d01f2de986f2cab6bee609e840c46d7a63b8a25574312459caf21611c8dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "22e7d01f2de986f2cab6bee609e840c46d7a63b8a25574312459caf21611c8dd", kill_on_drop: false }` [INFO] [stdout] 22e7d01f2de986f2cab6bee609e840c46d7a63b8a25574312459caf21611c8dd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ad8ed0b0f93c3791a0fc598185f302946b8b0a635bb51ce1ce8efb2519beac68 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "ad8ed0b0f93c3791a0fc598185f302946b8b0a635bb51ce1ce8efb2519beac68", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling syn v1.0.95 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Compiling serde_derive v1.0.137 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling parking_lot_core v0.9.3 [INFO] [stderr] Checking subtle v2.4.1 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling serde_json v1.0.81 [INFO] [stderr] Compiling anyhow v1.0.57 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Checking ryu v1.0.10 [INFO] [stderr] Checking event-listener v2.5.2 [INFO] [stderr] Checking opaque-debug v0.3.0 [INFO] [stderr] Checking arrayref v0.3.6 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking itoa v1.0.2 [INFO] [stderr] Checking constant_time_eq v0.1.5 [INFO] [stderr] Checking cpufeatures v0.2.2 [INFO] [stderr] Compiling generic-array v0.14.5 [INFO] [stderr] Compiling value-bag v1.0.0-alpha.9 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Checking async-lock v2.5.0 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling blake3 v0.3.8 [INFO] [stderr] Checking getrandom v0.2.6 [INFO] [stderr] Checking parking_lot v0.12.0 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking scheduled-thread-pool v0.2.6 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking crypto-mac v0.8.0 [INFO] [stderr] Checking crypto-mac v0.11.1 [INFO] [stderr] Checking hmac v0.11.0 [INFO] [stderr] Checking sha2 v0.9.9 [INFO] [stderr] Compiling ctor v0.1.22 [INFO] [stderr] Compiling async-trait v0.1.53 [INFO] [stderr] Checking r2d2 v0.8.9 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking async-session v3.0.0 [INFO] [stderr] Documenting async-session-r2d2 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] thread 'rustc' panicked at 'index out of bounds: the len is 0 but the index is 0', compiler/rustc_ast/src/util/comments.rs:55:28 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7f25344b51cd - std::backtrace_rs::backtrace::libunwind::trace::h22893a5306c091b4 [INFO] [stderr] at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stderr] 1: 0x7f25344b51cd - std::backtrace_rs::backtrace::trace_unsynchronized::h29c3bc6f9e91819d [INFO] [stderr] at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x7f25344b51cd - std::sys_common::backtrace::_print_fmt::he497d8a0ec903793 [INFO] [stderr] at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stderr] 3: 0x7f25344b51cd - ::fmt::h9c2a9d2774d81873 [INFO] [stderr] at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stderr] 4: 0x7f253450f01c - core::fmt::write::hba4337c43d992f49 [INFO] [stderr] at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/core/src/fmt/mod.rs:1194:17 [INFO] [stderr] 5: 0x7f25344a67c1 - std::io::Write::write_fmt::heb73de6e02cfabed [INFO] [stderr] at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/io/mod.rs:1655:15 [INFO] [stderr] 6: 0x7f25344b82b5 - std::sys_common::backtrace::_print::h63c8b24acdd8e8ce [INFO] [stderr] at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stderr] 7: 0x7f25344b82b5 - std::sys_common::backtrace::print::h426700d6240cdcc2 [INFO] [stderr] at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stderr] 8: 0x7f25344b82b5 - std::panicking::default_hook::{{closure}}::hc9a76eed0b18f82b [INFO] [stderr] at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/panicking.rs:295:22 [INFO] [stderr] 9: 0x7f25344b7f69 - std::panicking::default_hook::h2e88d02087fae196 [INFO] [stderr] at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/panicking.rs:314:9 [INFO] [stderr] 10: 0x7f2534c351d1 - rustc_driver[413d55b6344850e3]::DEFAULT_HOOK::{closure#0}::{closure#0} [INFO] [stderr] 11: 0x7f25344b8a00 - std::panicking::rust_panic_with_hook::habfdcc2e90f9fd4c [INFO] [stderr] at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/panicking.rs:702:17 [INFO] [stderr] 12: 0x7f25344b8837 - std::panicking::begin_panic_handler::{{closure}}::he054b2a83a51d2cd [INFO] [stderr] at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/panicking.rs:588:13 [INFO] [stderr] 13: 0x7f25344b5684 - std::sys_common::backtrace::__rust_end_short_backtrace::ha48b94ab49b30915 [INFO] [stderr] at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stderr] 14: 0x7f25344b8569 - rust_begin_unwind [INFO] [stderr] at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/panicking.rs:584:5 [INFO] [stderr] 15: 0x7f253447c6b3 - core::panicking::panic_fmt::h366d3a309ae17c94 [INFO] [stderr] at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/core/src/panicking.rs:143:14 [INFO] [stderr] 16: 0x7f253447c5f2 - core::panicking::panic_bounds_check::he579b0a9d71a3102 [INFO] [stderr] at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/core/src/panicking.rs:84:5 [INFO] [stderr] 17: 0x7f2535de3021 - rustc_ast[f1ba8e19ab33c411]::util::comments::beautify_doc_string [INFO] [stderr] 18: 0x556890590f61 - <&mut ::from_ast::{closure#0} as core[a3420257622cd381]::ops::function::FnMut<((&rustc_ast[f1ba8e19ab33c411]::ast::Attribute, core[a3420257622cd381]::option::Option),)>>::call_mut [INFO] [stderr] 19: 0x556890579fda - , core[a3420257622cd381]::iter::adapters::map::Map, ::from_ast::{closure#1}::{closure#0}>, ::from_ast::{closure#1}>, core[a3420257622cd381]::iter::adapters::map::Map, ::from_ast::{closure#2}>> as core[a3420257622cd381]::iter::traits::iterator::Iterator>::try_fold::<(), core[a3420257622cd381]::iter::traits::iterator::Iterator::find_map::check<(&rustc_ast[f1ba8e19ab33c411]::ast::Attribute, core[a3420257622cd381]::option::Option), rustc_ast[f1ba8e19ab33c411]::ast::Attribute, &mut ::from_ast::{closure#0}>::{closure#0}, core[a3420257622cd381]::ops::control_flow::ControlFlow> [INFO] [stderr] 20: 0x556890539d83 - as alloc[59b4cdf2bf51ef42]::vec::spec_from_iter::SpecFromIter, core[a3420257622cd381]::iter::adapters::map::Map, ::from_ast::{closure#1}::{closure#0}>, ::from_ast::{closure#1}>, core[a3420257622cd381]::iter::adapters::map::Map, ::from_ast::{closure#2}>>, ::from_ast::{closure#0}>>>::from_iter [INFO] [stderr] 21: 0x55689046f319 - ::load_links_in_attrs [INFO] [stderr] 22: 0x55689046d94e - rustdoc[2368e8ab35c11ae8]::passes::collect_intra_doc_links::early::early_resolve_intra_doc_links [INFO] [stderr] 23: 0x5568906081d1 - rustc_interface[550884b2b179878f]::interface::create_compiler_and_run::, rustdoc[2368e8ab35c11ae8]::main_options::{closure#0}> [INFO] [stderr] 24: 0x55689047a7d3 - rustdoc[2368e8ab35c11ae8]::main_options [INFO] [stderr] 25: 0x55689048dd2b - >::set::> [INFO] [stderr] 26: 0x5568905d793f - std[3b302b3c9093c22]::sys_common::backtrace::__rust_begin_short_backtrace::>::{closure#0}, core[a3420257622cd381]::result::Result<(), rustc_errors[a7dbbf867eaca825]::ErrorGuaranteed>> [INFO] [stderr] 27: 0x5568906c6869 - <::spawn_unchecked_>::{closure#0}, core[a3420257622cd381]::result::Result<(), rustc_errors[a7dbbf867eaca825]::ErrorGuaranteed>>::{closure#1} as core[a3420257622cd381]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 28: 0x7f25344c2bf3 - as core::ops::function::FnOnce>::call_once::ha99802c2c52ada61 [INFO] [stderr] at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/alloc/src/boxed.rs:1861:9 [INFO] [stderr] 29: 0x7f25344c2bf3 - as core::ops::function::FnOnce>::call_once::ha39aea1c57e28a15 [INFO] [stderr] at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/alloc/src/boxed.rs:1861:9 [INFO] [stderr] 30: 0x7f25344c2bf3 - std::sys::unix::thread::Thread::new::thread_start::h9f8e3d72b1f7662f [INFO] [stderr] at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stderr] 31: 0x7f25343d5609 - start_thread [INFO] [stderr] 32: 0x7f253417e163 - clone [INFO] [stderr] 33: 0x0 - [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 1.61.0 (fe5b13d68 2022-05-18) 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 `async-session-r2d2` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name async_session_r2d2 src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=cd15277b7e38eb1f -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-a2ad8fa07e0781ab.rmeta --extern async_session=/opt/rustwide/target/debug/deps/libasync_session-40603c6224990ebe.rmeta --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-cf2de14c3a220f60.so --extern log=/opt/rustwide/target/debug/deps/liblog-02c8c9168a9c85d6.rmeta --extern r2d2=/opt/rustwide/target/debug/deps/libr2d2-6825c106f0ad4449.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "ad8ed0b0f93c3791a0fc598185f302946b8b0a635bb51ce1ce8efb2519beac68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad8ed0b0f93c3791a0fc598185f302946b8b0a635bb51ce1ce8efb2519beac68", kill_on_drop: false }` [INFO] [stdout] ad8ed0b0f93c3791a0fc598185f302946b8b0a635bb51ce1ce8efb2519beac68