[INFO] cloning repository https://github.com/robo9k/imgflip.rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robo9k/imgflip.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobo9k%2Fimgflip.rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobo9k%2Fimgflip.rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a271e189d4025adfa8c2ba937b2d1dafcbf7ca9b [INFO] documenting robo9k/imgflip.rs 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%2Frobo9k%2Fimgflip.rs" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/robo9k/imgflip.rs 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/robo9k/imgflip.rs [INFO] finished tweaking git repo https://github.com/robo9k/imgflip.rs [INFO] tweaked toml for git repo https://github.com/robo9k/imgflip.rs written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/robo9k/imgflip.rs 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 41acee024ec15a6e3035a09c15045a509bd20b1a969480a2cbed5e6ae3bde713 [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" "41acee024ec15a6e3035a09c15045a509bd20b1a969480a2cbed5e6ae3bde713", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "41acee024ec15a6e3035a09c15045a509bd20b1a969480a2cbed5e6ae3bde713", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "41acee024ec15a6e3035a09c15045a509bd20b1a969480a2cbed5e6ae3bde713", kill_on_drop: false }` [INFO] [stdout] 41acee024ec15a6e3035a09c15045a509bd20b1a969480a2cbed5e6ae3bde713 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 9a8a79d41ce7c1acdf7ff263bfe2f0178a4e873ae10731653dff86718c0a49c5 [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" "9a8a79d41ce7c1acdf7ff263bfe2f0178a4e873ae10731653dff86718c0a49c5", kill_on_drop: false }` [INFO] [stderr] Checking data-encoding v2.2.0 [INFO] [stderr] Compiling error-chain v0.12.2 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling openssl-sys v0.9.54 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Compiling openssl v0.10.28 [INFO] [stderr] Compiling native-tls v0.2.4 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling serde_derive v1.0.105 [INFO] [stderr] Compiling pin-project-internal v0.4.8 [INFO] [stderr] Compiling thiserror-impl v1.0.14 [INFO] [stderr] Checking tokio v0.2.13 [INFO] [stderr] Checking futures-util v0.3.4 [INFO] [stderr] Checking thiserror v1.0.14 [INFO] [stderr] Checking pin-project v0.4.8 [INFO] [stderr] Checking tokio-util v0.2.0 [INFO] [stderr] Checking tokio-tls v0.3.0 [INFO] [stderr] Checking futures-executor v0.3.4 [INFO] [stderr] Checking h2 v0.2.2 [INFO] [stderr] Checking futures v0.3.4 [INFO] [stderr] Checking serde v1.0.105 [INFO] [stderr] Checking hyper v0.13.4 [INFO] [stderr] Checking hyper-tls v0.4.1 [INFO] [stderr] Checking url v2.1.1 [INFO] [stderr] Checking serde_json v1.0.48 [INFO] [stderr] Checking serde_qs v0.5.2 [INFO] [stderr] Checking serde_urlencoded v0.6.1 [INFO] [stderr] Checking reqwest v0.10.4 [INFO] [stderr] Documenting imgflip v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unresolved link to `imgflip::Client` [INFO] [stdout] --> src/lib.rs:296:23 [INFO] [stdout] | [INFO] [stdout] 296 | /// Unlike [`Client`](imgflip::Client) this requires an account on [imgflip.com](https://imgflip.com/signup). [INFO] [stdout] | ^^^^^^^^^^^^^^^ the module `imgflip` contains no item named `imgflip` [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] [stdout] warning: unresolved link to `std:error:Error` [INFO] [stdout] --> src/lib.rs:227:15 [INFO] [stdout] | [INFO] [stdout] 227 | /// [`Error`](std:error:Error) implementation for all crate errors [INFO] [stdout] | ^^^^^^^^^^^^^^^ the module `imgflip` contains no item named `std:error:Error` [INFO] [stdout] | [INFO] [stdout] = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7f22d87b0410 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab [INFO] [stderr] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96 [INFO] [stderr] 1: 0x7f22d87b0410 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c [INFO] [stderr] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x7f22d87b0410 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678 [INFO] [stderr] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79 [INFO] [stderr] 3: 0x7f22d87b0410 - ::fmt::h1e0bdbb35e83deca [INFO] [stderr] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58 [INFO] [stderr] 4: 0x7f22d881e5cc - core::fmt::write::he67f9b17bcb7ee73 [INFO] [stderr] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080 [INFO] [stderr] 5: 0x7f22d87a2072 - std::io::Write::write_fmt::hac97d5cb5753e2ec [INFO] [stderr] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516 [INFO] [stderr] 6: 0x7f22d87b518d - std::sys_common::backtrace::_print::haa20918e28a126c5 [INFO] [stderr] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61 [INFO] [stderr] 7: 0x7f22d87b518d - std::sys_common::backtrace::print::h49e772a4873d9076 [INFO] [stderr] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48 [INFO] [stderr] 8: 0x7f22d87b518d - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11 [INFO] [stderr] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208 [INFO] [stderr] 9: 0x7f22d87b4e38 - std::panicking::default_hook::h63997b7b949e1ce0 [INFO] [stderr] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:227 [INFO] [stderr] 10: 0x7f22d903e0b4 - rustc_driver::report_ice::h5b9fb8474972c25e [INFO] [stderr] 11: 0x7f22c8e6b2c6 - as core::ops::function::Fn>::call::hfc66a1ce19337e1f [INFO] [stderr] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1056 [INFO] [stderr] 12: 0x7f22c8e7055b - proc_macro::bridge::client::::enter::{{closure}}::{{closure}}::ha8b896ec16fa0230 [INFO] [stderr] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/proc_macro/src/bridge/client.rs:320 [INFO] [stderr] 13: 0x7f22d87b59d6 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3 [INFO] [stderr] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:581 [INFO] [stderr] 14: 0x7f22d87b5559 - std::panicking::begin_panic_handler::{{closure}}::h8b43445b254eeb30 [INFO] [stderr] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:484 [INFO] [stderr] 15: 0x7f22d87b089c - std::sys_common::backtrace::__rust_end_short_backtrace::hacd691450edfeae0 [INFO] [stderr] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153 [INFO] [stderr] 16: 0x7f22d87b5519 - rust_begin_unwind [INFO] [stderr] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:483 [INFO] [stderr] 17: 0x7f22d881b0d1 - core::panicking::panic_fmt::h5b17d4a0e853d0f5 [INFO] [stderr] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/panicking.rs:85 [INFO] [stderr] 18: 0x7f22d881acb3 - core::option::expect_failed::ha4390247d473d6e0 [INFO] [stderr] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/option.rs:1226 [INFO] [stderr] 19: 0x5633f8cca5f1 - core::ops::function::impls:: for &mut F>::call_once::h521cd008a4c78ad7 [INFO] [stderr] 20: 0x5633f8de9d70 - as alloc::vec::SpecFromIter>::from_iter::h81cb72faa66aa9ba [INFO] [stderr] 21: 0x5633f8ce8a58 - rustdoc::passes::collect_intra_doc_links::LinkCollector::resolve::h4884293c77c69ec0 [INFO] [stderr] 22: 0x5633f8ced01a - rustdoc::passes::collect_intra_doc_links::LinkCollector::resolve_link::he7d03b220e016ca4 [INFO] [stderr] 23: 0x5633f8cea7cf - ::fold_item::h23f8d1abb81979c7 [INFO] [stderr] 24: 0x5633f8de11d6 - as alloc::vec::SpecFromIter>::from_iter::h153a188130abff73 [INFO] [stderr] 25: 0x5633f8ce319e - rustdoc::fold::DocFolder::fold_inner_recur::h4cdf6e50bdff1349 [INFO] [stderr] 26: 0x5633f8ce49bc - rustdoc::fold::DocFolder::fold_item_recur::h04cfbc1bc135d3c4 [INFO] [stderr] 27: 0x5633f8ceaa5c - ::fold_item::h23f8d1abb81979c7 [INFO] [stderr] 28: 0x5633f8ce5b4a - rustdoc::passes::collect_intra_doc_links::collect_intra_doc_links::h373ec43b0869d1ad [INFO] [stderr] 29: 0x5633f8b0501e - rustc_session::utils::::time::h4b8a8208d0f1a011 [INFO] [stderr] 30: 0x5633f8c080c4 - rustc_interface::interface::create_compiler_and_run::h2c9ea7f5b6870482 [INFO] [stderr] 31: 0x5633f8b37098 - rustdoc::core::run_core::h820f8126674039af [INFO] [stderr] 32: 0x5633f8afe18c - rustdoc::main_options::h48c70af8683ad8e1 [INFO] [stderr] 33: 0x5633f8cbacc4 - scoped_tls::ScopedKey::set::h29d0b82c346d842f [INFO] [stderr] 34: 0x5633f8ba6775 - std::sys_common::backtrace::__rust_begin_short_backtrace::h65329bcf5d8f859b [INFO] [stderr] 35: 0x5633f8d2182e - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc1ed1336276c759a [INFO] [stderr] 36: 0x7f22d87c470a - as core::ops::function::FnOnce>::call_once::hd4d30e37db281e8f [INFO] [stderr] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042 [INFO] [stderr] 37: 0x7f22d87c470a - as core::ops::function::FnOnce>::call_once::h019185a215ba16e4 [INFO] [stderr] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042 [INFO] [stderr] 38: 0x7f22d87c470a - std::sys::unix::thread::Thread::new::thread_start::h33c6d7cf25f9291f [INFO] [stderr] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys/unix/thread.rs:87 [INFO] [stderr] 39: 0x7f22d3933609 - start_thread [INFO] [stderr] 40: 0x7f22d860f103 - clone [INFO] [stderr] 41: 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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not document `imgflip` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name imgflip 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 --extern futures=/opt/rustwide/target/debug/deps/libfutures-f57889d9496a4c36.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-83f97d0730bdca55.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-731dbad8cc981d6e.rmeta --extern serde_qs=/opt/rustwide/target/debug/deps/libserde_qs-9a1edf118bb7917b.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-191f1ef748535edc.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-114cf392f8432f50.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-6faf531bc76a964f.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1) [INFO] running `Command { std: "docker" "inspect" "9a8a79d41ce7c1acdf7ff263bfe2f0178a4e873ae10731653dff86718c0a49c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a8a79d41ce7c1acdf7ff263bfe2f0178a4e873ae10731653dff86718c0a49c5", kill_on_drop: false }` [INFO] [stdout] 9a8a79d41ce7c1acdf7ff263bfe2f0178a4e873ae10731653dff86718c0a49c5