[INFO] fetching crate comb 0.1.1... [INFO] documenting comb-0.1.1 against beta-2020-10-09 for beta-1.48-rustdoc-1 [INFO] extracting crate comb 0.1.1 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate comb 0.1.1 on toolchain beta-2020-10-09 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate comb 0.1.1 [INFO] finished tweaking crates.io crate comb 0.1.1 [INFO] tweaked toml for crates.io crate comb 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6657a61f3fac03103bdfaefb62520b54baff57235b040913c37956af6370a56a [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" "6657a61f3fac03103bdfaefb62520b54baff57235b040913c37956af6370a56a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6657a61f3fac03103bdfaefb62520b54baff57235b040913c37956af6370a56a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6657a61f3fac03103bdfaefb62520b54baff57235b040913c37956af6370a56a", kill_on_drop: false }` [INFO] [stdout] 6657a61f3fac03103bdfaefb62520b54baff57235b040913c37956af6370a56a [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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f4ae791878fcca8f5756542fe5507e1a18b5adbca7a32a45d9cb66ca59dad0b9 [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" "f4ae791878fcca8f5756542fe5507e1a18b5adbca7a32a45d9cb66ca59dad0b9", kill_on_drop: false }` [INFO] [stderr] Documenting comb v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unresolved link to `self::error::Result` [INFO] [stdout] --> src/scanner.rs:7:14 [INFO] [stdout] | [INFO] [stdout] 7 | /// [Result](crate::error::Result) of [Self::Output](Scanner::Output) from the [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ the module `error` contains no item named `Result` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(broken_intra_doc_links)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] thread 'rustc' panicked at 'inner items for a trait should be associated items', src/librustdoc/passes/collect_intra_doc_links.rs:581:34 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7f0dc129f410 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab [INFO] [stderr] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96 [INFO] [stderr] 1: 0x7f0dc129f410 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c [INFO] [stderr] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x7f0dc129f410 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678 [INFO] [stderr] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79 [INFO] [stderr] 3: 0x7f0dc129f410 - ::fmt::h1e0bdbb35e83deca [INFO] [stderr] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58 [INFO] [stderr] 4: 0x7f0dc130d5cc - core::fmt::write::he67f9b17bcb7ee73 [INFO] [stderr] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080 [INFO] [stderr] 5: 0x7f0dc1291072 - std::io::Write::write_fmt::hac97d5cb5753e2ec [INFO] [stderr] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516 [INFO] [stderr] 6: 0x7f0dc12a418d - std::sys_common::backtrace::_print::haa20918e28a126c5 [INFO] [stderr] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61 [INFO] [stderr] 7: 0x7f0dc12a418d - std::sys_common::backtrace::print::h49e772a4873d9076 [INFO] [stderr] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48 [INFO] [stderr] 8: 0x7f0dc12a418d - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11 [INFO] [stderr] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208 [INFO] [stderr] 9: 0x7f0dc12a3e38 - std::panicking::default_hook::h63997b7b949e1ce0 [INFO] [stderr] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:227 [INFO] [stderr] 10: 0x7f0dc1b2d0b4 - rustc_driver::report_ice::h5b9fb8474972c25e [INFO] [stderr] 11: 0x7f0dc12a49d6 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3 [INFO] [stderr] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:581 [INFO] [stderr] 12: 0x7f0dc12a4559 - std::panicking::begin_panic_handler::{{closure}}::h8b43445b254eeb30 [INFO] [stderr] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:484 [INFO] [stderr] 13: 0x7f0dc129f89c - std::sys_common::backtrace::__rust_end_short_backtrace::hacd691450edfeae0 [INFO] [stderr] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153 [INFO] [stderr] 14: 0x7f0dc12a4519 - rust_begin_unwind [INFO] [stderr] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:483 [INFO] [stderr] 15: 0x7f0dc130a0d1 - core::panicking::panic_fmt::h5b17d4a0e853d0f5 [INFO] [stderr] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/panicking.rs:85 [INFO] [stderr] 16: 0x7f0dc1309cb3 - core::option::expect_failed::ha4390247d473d6e0 [INFO] [stderr] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/option.rs:1226 [INFO] [stderr] 17: 0x56190d4155f1 - core::ops::function::impls:: for &mut F>::call_once::h521cd008a4c78ad7 [INFO] [stderr] 18: 0x56190d534d70 - as alloc::vec::SpecFromIter>::from_iter::h81cb72faa66aa9ba [INFO] [stderr] 19: 0x56190d433a58 - rustdoc::passes::collect_intra_doc_links::LinkCollector::resolve::h4884293c77c69ec0 [INFO] [stderr] 20: 0x56190d43801a - rustdoc::passes::collect_intra_doc_links::LinkCollector::resolve_link::he7d03b220e016ca4 [INFO] [stderr] 21: 0x56190d4357cf - ::fold_item::h23f8d1abb81979c7 [INFO] [stderr] 22: 0x56190d52c1d6 - as alloc::vec::SpecFromIter>::from_iter::h153a188130abff73 [INFO] [stderr] 23: 0x56190d42e19e - rustdoc::fold::DocFolder::fold_inner_recur::h4cdf6e50bdff1349 [INFO] [stderr] 24: 0x56190d42f9bc - rustdoc::fold::DocFolder::fold_item_recur::h04cfbc1bc135d3c4 [INFO] [stderr] 25: 0x56190d435a5c - ::fold_item::h23f8d1abb81979c7 [INFO] [stderr] 26: 0x56190d430b4a - rustdoc::passes::collect_intra_doc_links::collect_intra_doc_links::h373ec43b0869d1ad [INFO] [stderr] 27: 0x56190d25001e - rustc_session::utils::::time::h4b8a8208d0f1a011 [INFO] [stderr] 28: 0x56190d3530c4 - rustc_interface::interface::create_compiler_and_run::h2c9ea7f5b6870482 [INFO] [stderr] 29: 0x56190d282098 - rustdoc::core::run_core::h820f8126674039af [INFO] [stderr] 30: 0x56190d24918c - rustdoc::main_options::h48c70af8683ad8e1 [INFO] [stderr] 31: 0x56190d405cc4 - scoped_tls::ScopedKey::set::h29d0b82c346d842f [INFO] [stderr] 32: 0x56190d2f1775 - std::sys_common::backtrace::__rust_begin_short_backtrace::h65329bcf5d8f859b [INFO] [stderr] 33: 0x56190d46c82e - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc1ed1336276c759a [INFO] [stderr] 34: 0x7f0dc12b370a - as core::ops::function::FnOnce>::call_once::hd4d30e37db281e8f [INFO] [stderr] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042 [INFO] [stderr] 35: 0x7f0dc12b370a - as core::ops::function::FnOnce>::call_once::h019185a215ba16e4 [INFO] [stderr] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042 [INFO] [stderr] 36: 0x7f0dc12b370a - std::sys::unix::thread::Thread::new::thread_start::h33c6d7cf25f9291f [INFO] [stderr] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys/unix/thread.rs:87 [INFO] [stderr] 37: 0x7f0dbc422609 - start_thread [INFO] [stderr] 38: 0x7f0dc10fe103 - clone [INFO] [stderr] 39: 0x0 - [INFO] [stderr] [INFO] [stderr] error: internal compiler error: unexpected panic [INFO] [stderr] [INFO] [stderr] error: Unrecognized option: 'document-private-items' [INFO] [stderr] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not document `comb` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name comb src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.1` (exit code: 1) [INFO] running `Command { std: "docker" "inspect" "f4ae791878fcca8f5756542fe5507e1a18b5adbca7a32a45d9cb66ca59dad0b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4ae791878fcca8f5756542fe5507e1a18b5adbca7a32a45d9cb66ca59dad0b9", kill_on_drop: false }` [INFO] [stdout] f4ae791878fcca8f5756542fe5507e1a18b5adbca7a32a45d9cb66ca59dad0b9