[INFO] cloning repository https://github.com/ankitects/gather-mdbook-anchors [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ankitects/gather-mdbook-anchors" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fankitects%2Fgather-mdbook-anchors", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fankitects%2Fgather-mdbook-anchors'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ee2fc044d042aa42f82c76dd0fce9fa71719be79 [INFO] testing ankitects/gather-mdbook-anchors against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fankitects%2Fgather-mdbook-anchors" "/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/ankitects/gather-mdbook-anchors on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ankitects/gather-mdbook-anchors [INFO] finished tweaking git repo https://github.com/ankitects/gather-mdbook-anchors [INFO] tweaked toml for git repo https://github.com/ankitects/gather-mdbook-anchors written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/ankitects/gather-mdbook-anchors already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded which v4.1.0 [INFO] [stderr] Downloaded notify v4.0.17 [INFO] [stderr] Downloaded ammonia v3.1.2 [INFO] [stderr] Downloaded anyhow v1.0.42 [INFO] [stderr] Downloaded gitignore v1.0.7 [INFO] [stderr] Downloaded quick-error v2.0.1 [INFO] [stderr] Downloaded strum v0.21.0 [INFO] [stderr] Downloaded mdbook v0.4.10 [INFO] [stderr] Downloaded handlebars v4.1.0 [INFO] [stderr] Downloaded strum_macros v0.21.1 [INFO] [stderr] Downloaded pulldown-cmark v0.7.2 [INFO] [stderr] Downloaded shlex v1.0.0 [INFO] [stderr] Downloaded urlencoding v1.3.3 [INFO] [stderr] Downloaded elasticlunr-rs v2.3.13 [INFO] [stderr] Downloaded open v1.7.0 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8cde9f4c23087f19fb79130c87bcca1946f377068db561ea61e7c9ef1652b2f3 [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" "8cde9f4c23087f19fb79130c87bcca1946f377068db561ea61e7c9ef1652b2f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8cde9f4c23087f19fb79130c87bcca1946f377068db561ea61e7c9ef1652b2f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8cde9f4c23087f19fb79130c87bcca1946f377068db561ea61e7c9ef1652b2f3", kill_on_drop: false }` [INFO] [stdout] 8cde9f4c23087f19fb79130c87bcca1946f377068db561ea61e7c9ef1652b2f3 [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" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", 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] a2909c78ce72862d9ae7e97225ac17205a681bc14056359334a8fc8554dc384c [INFO] running `Command { std: "docker" "start" "-a" "a2909c78ce72862d9ae7e97225ac17205a681bc14056359334a8fc8554dc384c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling mac v0.1.1 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling base64 v0.12.3 [INFO] [stderr] Compiling pulldown-cmark v0.7.2 [INFO] [stderr] Compiling futures-io v0.3.15 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling anyhow v1.0.42 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling quick-error v2.0.1 [INFO] [stderr] Compiling shlex v1.0.0 [INFO] [stderr] Compiling futures-util v0.3.15 [INFO] [stderr] Compiling tracing-core v0.1.18 [INFO] [stderr] Compiling input_buffer v0.3.1 [INFO] [stderr] Compiling getopts v0.2.21 [INFO] [stderr] Compiling futf v0.1.4 [INFO] [stderr] Compiling http-body v0.3.1 [INFO] [stderr] Compiling headers-core v0.2.0 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling gitignore v1.0.7 [INFO] [stderr] Compiling tendril v0.4.2 [INFO] [stderr] Compiling tracing v0.1.26 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling socket2 v0.3.19 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling filetime v0.2.14 [INFO] [stderr] Compiling which v4.1.0 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling open v1.7.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling headers v0.3.4 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling notify v4.0.17 [INFO] [stderr] Compiling tempfile v3.2.0 [INFO] [stderr] Compiling env_logger v0.7.1 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Compiling tungstenite v0.11.1 [INFO] [stderr] Compiling string_cache_codegen v0.5.1 [INFO] [stderr] Compiling phf_codegen v0.8.0 [INFO] [stderr] Compiling string_cache v0.8.1 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling serde_urlencoded v0.6.1 [INFO] [stderr] Compiling toml v0.5.8 [INFO] [stderr] Compiling markup5ever v0.10.1 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Compiling xml5ever v0.16.1 [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Compiling futures-macro v0.3.15 [INFO] [stderr] Compiling pin-project-internal v1.0.7 [INFO] [stderr] Compiling html5ever v0.25.1 [INFO] [stderr] Compiling pin-project-internal v0.4.28 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Compiling strum_macros v0.21.1 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling tokio v0.2.25 [INFO] [stderr] Compiling handlebars v4.1.0 [INFO] [stderr] Compiling pin-project v1.0.7 [INFO] [stderr] Compiling tracing-futures v0.2.5 [INFO] [stderr] Compiling pin-project v0.4.28 [INFO] [stderr] Compiling markup5ever_rcdom v0.1.0 [INFO] [stderr] Compiling tokio-util v0.3.1 [INFO] [stderr] Compiling tokio-tungstenite v0.11.0 [INFO] [stderr] Compiling futures v0.3.15 [INFO] [stderr] Compiling ammonia v3.1.2 [INFO] [stderr] Compiling h2 v0.2.7 [INFO] [stderr] Compiling elasticlunr-rs v2.3.13 [INFO] [stderr] Compiling hyper v0.13.10 [INFO] [stderr] Compiling warp v0.2.5 [INFO] [stderr] Compiling mdbook v0.4.10 [INFO] [stdout] error: internal compiler error: unexpected concrete region in borrowck: ReStatic [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/warp-0.2.5/src/filters/sse.rs:457:5 [INFO] [stdout] | [INFO] [stdout] 457 | / pub fn stream( [INFO] [stdout] 458 | | self, [INFO] [stdout] 459 | | event_stream: S, [INFO] [stdout] 460 | | ) -> impl TryStream< [INFO] [stdout] ... | [INFO] [stdout] 476 | | } [INFO] [stdout] 477 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: delayed at compiler/rustc_mir/src/borrow_check/region_infer/opaque_types.rs:87:44 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] thread 'rustc' panicked at 'no errors encountered even though `delay_span_bug` issued', compiler/rustc_errors/src/lib.rs:1050:13 [INFO] [stdout] error: internal compiler error: unexpected concrete region in borrowck: ReStatic [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/warp-0.2.5/src/filters/sse.rs:492:1 [INFO] [stdout] | [INFO] [stdout] 492 | / pub fn keep( [INFO] [stdout] 493 | | event_stream: S, [INFO] [stdout] 494 | | keep_interval: impl Into>, [INFO] [stdout] 495 | | ) -> impl TryStream< [INFO] [stdout] ... | [INFO] [stdout] 514 | | } [INFO] [stdout] 515 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: delayed at compiler/rustc_mir/src/borrow_check/region_infer/opaque_types.rs:87:44 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7fb0153dd090 - std::backtrace_rs::backtrace::libunwind::trace::h99dbb39dca18857d [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x7fb0153dd090 - std::backtrace_rs::backtrace::trace_unsynchronized::h832861927e9cfedf [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x7fb0153dd090 - std::sys_common::backtrace::_print_fmt::h3d18154c77dcf310 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x7fb0153dd090 - ::fmt::he312f4ad5b9bb346 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x7fb01544acfc - core::fmt::write::h9a6d9c74526a6c1b [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/fmt/mod.rs:1115:17 [INFO] [stderr] 5: 0x7fb0153ce975 - std::io::Write::write_fmt::h6aced00850e8186f [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/io/mod.rs:1665:15 [INFO] [stderr] 6: 0x7fb0153e0dab - std::sys_common::backtrace::_print::h65d996766de40da4 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x7fb0153e0dab - std::sys_common::backtrace::print::h40df9727e635f303 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x7fb0153e0dab - std::panicking::default_hook::{{closure}}::hd2da4327dea91a51 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x7fb0153e0881 - std::panicking::default_hook::h3d55120ad6ada158 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x7fb015bbe901 - rustc_driver::DEFAULT_HOOK::{{closure}}::{{closure}}::h98690b446fb8b04c [INFO] [stderr] 11: 0x7fb006bdd203 - as core::ops::function::Fn>::call::h4dfc19b591f6d85a [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1586:9 [INFO] [stderr] 12: 0x7fb006bca15a - proc_macro::bridge::client::::enter::{{closure}}::{{closure}}::hefbcc60a20a295fa [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/proc_macro/src/bridge/client.rs:320:21 [INFO] [stderr] 13: 0x7fb0153e15d9 - std::panicking::rust_panic_with_hook::hf85dd0bb545e3b55 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:626:17 [INFO] [stderr] 14: 0x7fb0153e1097 - std::panicking::begin_panic_handler::{{closure}}::h736ae969434da9fa [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:519:13 [INFO] [stderr] 15: 0x7fb0153dd56c - std::sys_common::backtrace::__rust_end_short_backtrace::h6133bb80b1d6c3e0 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 16: 0x7fb0153e0ff9 - rust_begin_unwind [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:515:5 [INFO] [stderr] 17: 0x7fb0153a9feb - std::panicking::begin_panic_fmt::hf70e90a601287d8b [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:457:5 [INFO] [stderr] 18: 0x7fb01800fa19 - rustc_errors::HandlerInner::flush_delayed::h400415fe09e32e42 [INFO] [stderr] 19: 0x7fb01800e47d - ::drop::h99b093f7064b7696 [INFO] [stderr] 20: 0x7fb0176c70c6 - core::ptr::drop_in_place::hf782bb3707a77e2d [INFO] [stderr] 21: 0x7fb0176c8f2e - as core::ops::drop::Drop>::drop::h22504b7a2bf4f3e1 [INFO] [stderr] 22: 0x7fb01769d57d - core::ptr::drop_in_place::h04cee182ac6141b7 [INFO] [stderr] 23: 0x7fb01769ccc3 - rustc_span::with_source_map::h35aa4a6792e2f0de [INFO] [stderr] 24: 0x7fb0176ae39a - rustc_interface::interface::create_compiler_and_run::h600b31664ea7498c [INFO] [stderr] 25: 0x7fb0176a0c79 - scoped_tls::ScopedKey::set::h95fded8ea1ce829a [INFO] [stderr] 26: 0x7fb01769d0ba - std::sys_common::backtrace::__rust_begin_short_backtrace::hcb9f52ef891273be [INFO] [stderr] 27: 0x7fb01769c3a5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7d639d5804de8241 [INFO] [stderr] 28: 0x7fb0153edb67 - as core::ops::function::FnOnce>::call_once::h09f167e08fc945ff [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572:9 [INFO] [stderr] 29: 0x7fb0153edb67 - as core::ops::function::FnOnce>::call_once::hf814fe85eeb118e0 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572:9 [INFO] [stderr] 30: 0x7fb0153edb67 - std::sys::unix::thread::Thread::new::thread_start::hb71b17934c5f5e68 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys/unix/thread.rs:91:17 [INFO] [stderr] 31: 0x7fb015309609 - start_thread [INFO] [stderr] 32: 0x7fb01521d293 - 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 1.56.0-nightly (d2e9fff28 2021-07-28) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: -C embed-bitcode=no -C debuginfo=2 --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 compile `warp` [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "a2909c78ce72862d9ae7e97225ac17205a681bc14056359334a8fc8554dc384c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2909c78ce72862d9ae7e97225ac17205a681bc14056359334a8fc8554dc384c", kill_on_drop: false }` [INFO] [stdout] a2909c78ce72862d9ae7e97225ac17205a681bc14056359334a8fc8554dc384c