[INFO] cloning repository https://github.com/volution/volution-md5-tools
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/volution/volution-md5-tools" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvolution%2Fvolution-md5-tools", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvolution%2Fvolution-md5-tools'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b678612ad5b17b2bededc7fa300e8e7571b3b410
[INFO] documenting volution/volution-md5-tools against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvolution%2Fvolution-md5-tools" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/volution/volution-md5-tools 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 git repo https://github.com/volution/volution-md5-tools
[INFO] finished tweaking git repo https://github.com/volution/volution-md5-tools
[INFO] tweaked toml for git repo https://github.com/volution/volution-md5-tools written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/volution/volution-md5-tools already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded termios v0.3.1
[INFO] [stderr]   Downloaded number_prefix v0.3.0
[INFO] [stderr]   Downloaded indicatif v0.12.0
[INFO] [stderr]   Downloaded error-chain v0.5.0
[INFO] [stderr]   Downloaded cpio v0.2.0
[INFO] [stderr]   Downloaded console v0.9.0
[INFO] [stderr]   Downloaded argparse v0.2.2
[INFO] [stderr]   Downloaded cpuprofiler v0.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 93fd49bd4a603e573a666529947997cef4d3bc4bfd51748925674aa03e70d929
[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" "93fd49bd4a603e573a666529947997cef4d3bc4bfd51748925674aa03e70d929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93fd49bd4a603e573a666529947997cef4d3bc4bfd51748925674aa03e70d929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93fd49bd4a603e573a666529947997cef4d3bc4bfd51748925674aa03e70d929", kill_on_drop: false }`
[INFO] [stdout] 93fd49bd4a603e573a666529947997cef4d3bc4bfd51748925674aa03e70d929
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] c14d4146bbac912163451f80ef35c76e5af53bf4484a1e23ccb96291f4442af2
[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" "c14d4146bbac912163451f80ef35c76e5af53bf4484a1e23ccb96291f4442af2", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking cpio v0.2.0
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking crossbeam v0.7.2
[INFO] [stderr]     Checking console v0.9.0
[INFO] [stderr]     Checking indicatif v0.12.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]     Checking md5-tools v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting md5-tools v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] thread 'rustc' panicked at 'Unable to resolve external crate argparse', src/librustdoc/core.rs:452:37
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x7f90bae64410 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]    1:     0x7f90bae64410 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x7f90bae64410 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]    3:     0x7f90bae64410 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]    4:     0x7f90baed25cc - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]    5:     0x7f90bae56072 - std::io::Write::write_fmt::hac97d5cb5753e2ec
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stderr]    6:     0x7f90bae6918d - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]    7:     0x7f90bae6918d - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]    8:     0x7f90bae6918d - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stderr]    9:     0x7f90bae68e38 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:227
[INFO] [stderr]   10:     0x7f90bb6f20b4 - rustc_driver::report_ice::h5b9fb8474972c25e
[INFO] [stderr]   11:     0x7f90bae699d6 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:581
[INFO] [stderr]   12:     0x7f90bae69559 - std::panicking::begin_panic_handler::{{closure}}::h8b43445b254eeb30
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:484
[INFO] [stderr]   13:     0x7f90bae6489c - 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:     0x7f90bae69519 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:483
[INFO] [stderr]   15:     0x7f90bae694cb - std::panicking::begin_panic_fmt::hef75366dd3a9de61
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:437
[INFO] [stderr]   16:     0x5620c4765c98 - rustdoc::core::run_core::{{closure}}::{{closure}}::{{closure}}::{{closure}}::{{closure}}::hbf536294eeb85363
[INFO] [stderr]   17:     0x5620c4735bd1 - rustc_interface::passes::BoxedResolver::access::{{closure}}::hdbc9056e8c949375
[INFO] [stderr]   18:     0x7f90bb8bf707 - rustc_interface::passes::configure_and_expand::{{closure}}::h77efd84661f51c70
[INFO] [stderr]   19:     0x5620c4835f57 - rustc_interface::interface::create_compiler_and_run::h2c9ea7f5b6870482
[INFO] [stderr]   20:     0x5620c4765098 - rustdoc::core::run_core::h820f8126674039af
[INFO] [stderr]   21:     0x5620c472c18c - rustdoc::main_options::h48c70af8683ad8e1
[INFO] [stderr]   22:     0x5620c48e8cc4 - scoped_tls::ScopedKey<T>::set::h29d0b82c346d842f
[INFO] [stderr]   23:     0x5620c47d4775 - std::sys_common::backtrace::__rust_begin_short_backtrace::h65329bcf5d8f859b
[INFO] [stderr]   24:     0x5620c494f82e - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc1ed1336276c759a
[INFO] [stderr]   25:     0x7f90bae7870a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd4d30e37db281e8f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   26:     0x7f90bae7870a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h019185a215ba16e4
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   27:     0x7f90bae7870a - std::sys::unix::thread::Thread::new::thread_start::h33c6d7cf25f9291f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys/unix/thread.rs:87
[INFO] [stderr]   28:     0x7f90b5fe7609 - start_thread
[INFO] [stderr]   29:     0x7f90bacc3103 - clone
[INFO] [stderr]   30:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] error: internal compiler error: unexpected panic
[INFO] [stderr] 
[INFO] [stderr] error: Unrecognized option: 'document-private-items'
[INFO] [stderr] 
[INFO] [stderr] error: could not document `md5-tools`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name md5_tools sources/lib/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern argparse=/opt/rustwide/target/debug/deps/libargparse-fdd11eeb8e2932c9.rmeta --extern atty=/opt/rustwide/target/debug/deps/libatty-70669c9aa3f4c969.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-994140ab2f3e2682.rmeta --extern cpio=/opt/rustwide/target/debug/deps/libcpio-4b4b483880c01b31.rmeta --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-eff48893fa2fe9e0.rmeta --extern digest=/opt/rustwide/target/debug/deps/libdigest-dced12cdb169ea52.rmeta --extern indicatif=/opt/rustwide/target/debug/deps/libindicatif-4546ff6afd7d3909.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-009872d6a948af31.rmeta --extern md5=/opt/rustwide/target/debug/deps/libmd5-4f123379001dce35.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-13b01f7cffee51ae.rmeta --extern sha1=/opt/rustwide/target/debug/deps/libsha1-9d782cae3c72e160.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-59bb0c6ac1f47c05.rmeta --extern sha3=/opt/rustwide/target/debug/deps/libsha3-a80182c04a5da837.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-c1c58d8fa6fcc8fa.rmeta --cap-lints=warn --crate-version 0.0.0` (exit code: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c14d4146bbac912163451f80ef35c76e5af53bf4484a1e23ccb96291f4442af2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c14d4146bbac912163451f80ef35c76e5af53bf4484a1e23ccb96291f4442af2", kill_on_drop: false }`
[INFO] [stdout] c14d4146bbac912163451f80ef35c76e5af53bf4484a1e23ccb96291f4442af2
