[INFO] fetching crate async-session-r2d2 0.1.0...
[INFO] testing async-session-r2d2-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate async-session-r2d2 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate async-session-r2d2 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03dc372d521762dec0a6c1c4344a22871a8317f3cd0266f7ee9469934a1ae55e
[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" "03dc372d521762dec0a6c1c4344a22871a8317f3cd0266f7ee9469934a1ae55e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03dc372d521762dec0a6c1c4344a22871a8317f3cd0266f7ee9469934a1ae55e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03dc372d521762dec0a6c1c4344a22871a8317f3cd0266f7ee9469934a1ae55e", kill_on_drop: false }`
[INFO] [stdout] 03dc372d521762dec0a6c1c4344a22871a8317f3cd0266f7ee9469934a1ae55e
[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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6b3921e76d00c693d62edefcb5271ff26b0ce565aaf4bbeef4ca6cc6e4e68af
[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" "c6b3921e76d00c693d62edefcb5271ff26b0ce565aaf4bbeef4ca6cc6e4e68af", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling anyhow v1.0.55
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]    Compiling lock_api v0.4.6
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling crypto-mac v0.11.1
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling hmac v0.11.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.5
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.8
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling r2d2 v0.8.9
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling async-session v3.0.0
[INFO] [stderr]    Compiling async-session-r2d2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.98s
[INFO] running `Command { std: "docker" "inspect" "c6b3921e76d00c693d62edefcb5271ff26b0ce565aaf4bbeef4ca6cc6e4e68af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6b3921e76d00c693d62edefcb5271ff26b0ce565aaf4bbeef4ca6cc6e4e68af", kill_on_drop: false }`
[INFO] [stdout] c6b3921e76d00c693d62edefcb5271ff26b0ce565aaf4bbeef4ca6cc6e4e68af
[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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d90777e509217684a9bd5e5acd845f3e3b50ddafaa4ddae7df9d5a7958a86e47
[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" "d90777e509217684a9bd5e5acd845f3e3b50ddafaa4ddae7df9d5a7958a86e47", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling polling v2.2.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling async-global-executor v2.0.2
[INFO] [stderr]    Compiling async-std v1.10.0
[INFO] [stderr]    Compiling async-session-r2d2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.08s
[INFO] running `Command { std: "docker" "inspect" "d90777e509217684a9bd5e5acd845f3e3b50ddafaa4ddae7df9d5a7958a86e47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d90777e509217684a9bd5e5acd845f3e3b50ddafaa4ddae7df9d5a7958a86e47", kill_on_drop: false }`
[INFO] [stdout] d90777e509217684a9bd5e5acd845f3e3b50ddafaa4ddae7df9d5a7958a86e47
[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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7bbcadb8bbab5117a77332eb2481c2e18e250cb8b40b261dd249f7166989b626
[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" "7bbcadb8bbab5117a77332eb2481c2e18e250cb8b40b261dd249f7166989b626", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_session_r2d2-13d1ca5a9a63d7d1)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests async-session-r2d2
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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:     0x7f75db77084c - std::backtrace_rs::backtrace::libunwind::trace::h02555d7ca8aa068a
[INFO] [stderr]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]    1:     0x7f75db77084c - std::backtrace_rs::backtrace::trace_unsynchronized::h8555a46024147da8
[INFO] [stderr]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]    2:     0x7f75db77084c - std::sys_common::backtrace::_print_fmt::h4c7f50b4f105da1e
[INFO] [stderr]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stderr]    3:     0x7f75db77084c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::ha305a40dbc030444
[INFO] [stderr]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stderr]    4:     0x7f75db7d02ec - core::fmt::write::hadd15acf4d6ce273
[INFO] [stderr]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/fmt/mod.rs:1190:17
[INFO] [stderr]    5:     0x7f75db760a18 - std::io::Write::write_fmt::h0f87f6c0c21ec48a
[INFO] [stderr]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/io/mod.rs:1657:15
[INFO] [stderr]    6:     0x7f75db774817 - std::sys_common::backtrace::_print::h0dd5c0810675bd8c
[INFO] [stderr]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stderr]    7:     0x7f75db774817 - std::sys_common::backtrace::print::h20a2155fa0a22ca6
[INFO] [stderr]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stderr]    8:     0x7f75db774817 - std::panicking::default_hook::{{closure}}::habb3b6f3ccdfe00a
[INFO] [stderr]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:295:22
[INFO] [stderr]    9:     0x7f75db7744df - std::panicking::default_hook::h1c5cf4d5063a38e4
[INFO] [stderr]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:314:9
[INFO] [stderr]   10:     0x7f75dbf00d01 - rustc_driver[6bef90fb01cd5c5b]::DEFAULT_HOOK::{closure#0}::{closure#0}
[INFO] [stderr]   11:     0x7f75db7750e5 - std::panicking::rust_panic_with_hook::hb5de7a3072d2cf59
[INFO] [stderr]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:702:17
[INFO] [stderr]   12:     0x7f75db774d97 - std::panicking::begin_panic_handler::{{closure}}::h5106de2f55f1a411
[INFO] [stderr]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:588:13
[INFO] [stderr]   13:     0x7f75db770d14 - std::sys_common::backtrace::__rust_end_short_backtrace::h5ad5c2a8a003ca72
[INFO] [stderr]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stderr]   14:     0x7f75db774aa9 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:584:5
[INFO] [stderr]   15:     0x7f75db73d8b3 - core::panicking::panic_fmt::hfb4b8460cd493e74
[INFO] [stderr]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/panicking.rs:143:14
[INFO] [stderr]   16:     0x7f75db73d7f2 - core::panicking::panic_bounds_check::hd976f7e70f6853b7
[INFO] [stderr]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/panicking.rs:85:5
[INFO] [stderr]   17:     0x7f75dd0a0021 - rustc_ast[2e2db794d9388488]::util::comments::beautify_doc_string
[INFO] [stderr]   18:     0x55f0f0325425 - <&mut <rustdoc[86702602fa74e7ef]::clean::types::Attributes>::from_ast::{closure#0} as core[c37c5d1d9572cc31]::ops::function::FnMut<((&rustc_ast[2e2db794d9388488]::ast::Attribute, core[c37c5d1d9572cc31]::option::Option<rustc_span[9b900a4fc3e65ac3]::def_id::DefId>),)>>::call_mut
[INFO] [stderr]   19:     0x55f0f030a34c - <core[c37c5d1d9572cc31]::iter::adapters::chain::Chain<core[c37c5d1d9572cc31]::iter::adapters::flatten::FlatMap<core[c37c5d1d9572cc31]::option::IntoIter<(&[rustc_ast[2e2db794d9388488]::ast::Attribute], rustc_span[9b900a4fc3e65ac3]::def_id::DefId)>, core[c37c5d1d9572cc31]::iter::adapters::map::Map<core[c37c5d1d9572cc31]::slice::iter::Iter<rustc_ast[2e2db794d9388488]::ast::Attribute>, <rustdoc[86702602fa74e7ef]::clean::types::Attributes>::from_ast::{closure#1}::{closure#0}>, <rustdoc[86702602fa74e7ef]::clean::types::Attributes>::from_ast::{closure#1}>, core[c37c5d1d9572cc31]::iter::adapters::map::Map<core[c37c5d1d9572cc31]::slice::iter::Iter<rustc_ast[2e2db794d9388488]::ast::Attribute>, <rustdoc[86702602fa74e7ef]::clean::types::Attributes>::from_ast::{closure#2}>> as core[c37c5d1d9572cc31]::iter::traits::iterator::Iterator>::try_fold::<(), core[c37c5d1d9572cc31]::iter::traits::iterator::Iterator::find_map::check<(&rustc_ast[2e2db794d9388488]::ast::Attribute, core[c37c5d1d9572cc31]::option::Option<rustc_span[9b900a4fc3e65ac3]::def_id::DefId>), rustc_ast[2e2db794d9388488]::ast::Attribute, &mut <rustdoc[86702602fa74e7ef]::clean::types::Attributes>::from_ast::{closure#0}>::{closure#0}, core[c37c5d1d9572cc31]::ops::control_flow::ControlFlow<rustc_ast[2e2db794d9388488]::ast::Attribute>>
[INFO] [stderr]   20:     0x55f0f02bdc55 - <alloc[da114b4aa73c096c]::vec::Vec<rustc_ast[2e2db794d9388488]::ast::Attribute> as alloc[da114b4aa73c096c]::vec::spec_from_iter::SpecFromIter<rustc_ast[2e2db794d9388488]::ast::Attribute, core[c37c5d1d9572cc31]::iter::adapters::filter_map::FilterMap<core[c37c5d1d9572cc31]::iter::adapters::chain::Chain<core[c37c5d1d9572cc31]::iter::adapters::flatten::FlatMap<core[c37c5d1d9572cc31]::option::IntoIter<(&[rustc_ast[2e2db794d9388488]::ast::Attribute], rustc_span[9b900a4fc3e65ac3]::def_id::DefId)>, core[c37c5d1d9572cc31]::iter::adapters::map::Map<core[c37c5d1d9572cc31]::slice::iter::Iter<rustc_ast[2e2db794d9388488]::ast::Attribute>, <rustdoc[86702602fa74e7ef]::clean::types::Attributes>::from_ast::{closure#1}::{closure#0}>, <rustdoc[86702602fa74e7ef]::clean::types::Attributes>::from_ast::{closure#1}>, core[c37c5d1d9572cc31]::iter::adapters::map::Map<core[c37c5d1d9572cc31]::slice::iter::Iter<rustc_ast[2e2db794d9388488]::ast::Attribute>, <rustdoc[86702602fa74e7ef]::clean::types::Attributes>::from_ast::{closure#2}>>, <rustdoc[86702602fa74e7ef]::clean::types::Attributes>::from_ast::{closure#0}>>>::from_iter
[INFO] [stderr]   21:     0x55f0f03771f9 - <rustdoc[86702602fa74e7ef]::doctest::HirCollector>::visit_testable::<rustdoc[86702602fa74e7ef]::doctest::run::{closure#1}::{closure#0}::{closure#0}::{closure#0}>
[INFO] [stderr]   22:     0x55f0f045c183 - <rustc_interface[b2fc20e59d639e2e]::passes::QueryContext>::enter::<rustdoc[86702602fa74e7ef]::doctest::run::{closure#1}::{closure#0}::{closure#0}, rustdoc[86702602fa74e7ef]::doctest::Collector>
[INFO] [stderr]   23:     0x55f0f03ca21f - <rustc_interface[b2fc20e59d639e2e]::interface::Compiler>::enter::<rustdoc[86702602fa74e7ef]::doctest::run::{closure#1}::{closure#0}, core[c37c5d1d9572cc31]::result::Result<(alloc[da114b4aa73c096c]::vec::Vec<test[60858f0958e32e96]::types::TestDescAndFn>, alloc[da114b4aa73c096c]::sync::Arc<std[f28d7f26b77e9927]::sync::mutex::Mutex<alloc[da114b4aa73c096c]::vec::Vec<rustdoc[86702602fa74e7ef]::doctest::UnusedExterns>>>, usize), rustc_errors[67cbba2d4402017b]::ErrorReported>>
[INFO] [stderr]   24:     0x55f0f04273aa - rustc_span[9b900a4fc3e65ac3]::with_source_map::<core[c37c5d1d9572cc31]::result::Result<(alloc[da114b4aa73c096c]::vec::Vec<test[60858f0958e32e96]::types::TestDescAndFn>, alloc[da114b4aa73c096c]::sync::Arc<std[f28d7f26b77e9927]::sync::mutex::Mutex<alloc[da114b4aa73c096c]::vec::Vec<rustdoc[86702602fa74e7ef]::doctest::UnusedExterns>>>, usize), rustc_errors[67cbba2d4402017b]::ErrorReported>, rustc_interface[b2fc20e59d639e2e]::interface::create_compiler_and_run<core[c37c5d1d9572cc31]::result::Result<(alloc[da114b4aa73c096c]::vec::Vec<test[60858f0958e32e96]::types::TestDescAndFn>, alloc[da114b4aa73c096c]::sync::Arc<std[f28d7f26b77e9927]::sync::mutex::Mutex<alloc[da114b4aa73c096c]::vec::Vec<rustdoc[86702602fa74e7ef]::doctest::UnusedExterns>>>, usize), rustc_errors[67cbba2d4402017b]::ErrorReported>, rustdoc[86702602fa74e7ef]::doctest::run::{closure#1}>::{closure#1}>
[INFO] [stderr]   25:     0x55f0f03b8010 - rustc_interface[b2fc20e59d639e2e]::interface::create_compiler_and_run::<core[c37c5d1d9572cc31]::result::Result<(alloc[da114b4aa73c096c]::vec::Vec<test[60858f0958e32e96]::types::TestDescAndFn>, alloc[da114b4aa73c096c]::sync::Arc<std[f28d7f26b77e9927]::sync::mutex::Mutex<alloc[da114b4aa73c096c]::vec::Vec<rustdoc[86702602fa74e7ef]::doctest::UnusedExterns>>>, usize), rustc_errors[67cbba2d4402017b]::ErrorReported>, rustdoc[86702602fa74e7ef]::doctest::run::{closure#1}>
[INFO] [stderr]   26:     0x55f0f0247d7e - <scoped_tls[c7a850a7042028c3]::ScopedKey<rustc_span[9b900a4fc3e65ac3]::SessionGlobals>>::set::<rustc_interface[b2fc20e59d639e2e]::interface::run_compiler<core[c37c5d1d9572cc31]::result::Result<(alloc[da114b4aa73c096c]::vec::Vec<test[60858f0958e32e96]::types::TestDescAndFn>, alloc[da114b4aa73c096c]::sync::Arc<std[f28d7f26b77e9927]::sync::mutex::Mutex<alloc[da114b4aa73c096c]::vec::Vec<rustdoc[86702602fa74e7ef]::doctest::UnusedExterns>>>, usize), rustc_errors[67cbba2d4402017b]::ErrorReported>, rustdoc[86702602fa74e7ef]::doctest::run::{closure#1}>::{closure#0}, core[c37c5d1d9572cc31]::result::Result<(alloc[da114b4aa73c096c]::vec::Vec<test[60858f0958e32e96]::types::TestDescAndFn>, alloc[da114b4aa73c096c]::sync::Arc<std[f28d7f26b77e9927]::sync::mutex::Mutex<alloc[da114b4aa73c096c]::vec::Vec<rustdoc[86702602fa74e7ef]::doctest::UnusedExterns>>>, usize), rustc_errors[67cbba2d4402017b]::ErrorReported>>
[INFO] [stderr]   27:     0x55f0f039575a - std[f28d7f26b77e9927]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[b2fc20e59d639e2e]::util::run_in_thread_pool_with_globals<rustc_interface[b2fc20e59d639e2e]::interface::run_compiler<core[c37c5d1d9572cc31]::result::Result<(alloc[da114b4aa73c096c]::vec::Vec<test[60858f0958e32e96]::types::TestDescAndFn>, alloc[da114b4aa73c096c]::sync::Arc<std[f28d7f26b77e9927]::sync::mutex::Mutex<alloc[da114b4aa73c096c]::vec::Vec<rustdoc[86702602fa74e7ef]::doctest::UnusedExterns>>>, usize), rustc_errors[67cbba2d4402017b]::ErrorReported>, rustdoc[86702602fa74e7ef]::doctest::run::{closure#1}>::{closure#0}, core[c37c5d1d9572cc31]::result::Result<(alloc[da114b4aa73c096c]::vec::Vec<test[60858f0958e32e96]::types::TestDescAndFn>, alloc[da114b4aa73c096c]::sync::Arc<std[f28d7f26b77e9927]::sync::mutex::Mutex<alloc[da114b4aa73c096c]::vec::Vec<rustdoc[86702602fa74e7ef]::doctest::UnusedExterns>>>, usize), rustc_errors[67cbba2d4402017b]::ErrorReported>>::{closure#0}, core[c37c5d1d9572cc31]::result::Result<(alloc[da114b4aa73c096c]::vec::Vec<test[60858f0958e32e96]::types::TestDescAndFn>, alloc[da114b4aa73c096c]::sync::Arc<std[f28d7f26b77e9927]::sync::mutex::Mutex<alloc[da114b4aa73c096c]::vec::Vec<rustdoc[86702602fa74e7ef]::doctest::UnusedExterns>>>, usize), rustc_errors[67cbba2d4402017b]::ErrorReported>>
[INFO] [stderr]   28:     0x55f0f02478e7 - <<std[f28d7f26b77e9927]::thread::Builder>::spawn_unchecked_<rustc_interface[b2fc20e59d639e2e]::util::run_in_thread_pool_with_globals<rustc_interface[b2fc20e59d639e2e]::interface::run_compiler<core[c37c5d1d9572cc31]::result::Result<(alloc[da114b4aa73c096c]::vec::Vec<test[60858f0958e32e96]::types::TestDescAndFn>, alloc[da114b4aa73c096c]::sync::Arc<std[f28d7f26b77e9927]::sync::mutex::Mutex<alloc[da114b4aa73c096c]::vec::Vec<rustdoc[86702602fa74e7ef]::doctest::UnusedExterns>>>, usize), rustc_errors[67cbba2d4402017b]::ErrorReported>, rustdoc[86702602fa74e7ef]::doctest::run::{closure#1}>::{closure#0}, core[c37c5d1d9572cc31]::result::Result<(alloc[da114b4aa73c096c]::vec::Vec<test[60858f0958e32e96]::types::TestDescAndFn>, alloc[da114b4aa73c096c]::sync::Arc<std[f28d7f26b77e9927]::sync::mutex::Mutex<alloc[da114b4aa73c096c]::vec::Vec<rustdoc[86702602fa74e7ef]::doctest::UnusedExterns>>>, usize), rustc_errors[67cbba2d4402017b]::ErrorReported>>::{closure#0}, core[c37c5d1d9572cc31]::result::Result<(alloc[da114b4aa73c096c]::vec::Vec<test[60858f0958e32e96]::types::TestDescAndFn>, alloc[da114b4aa73c096c]::sync::Arc<std[f28d7f26b77e9927]::sync::mutex::Mutex<alloc[da114b4aa73c096c]::vec::Vec<rustdoc[86702602fa74e7ef]::doctest::UnusedExterns>>>, usize), rustc_errors[67cbba2d4402017b]::ErrorReported>>::{closure#1} as core[c37c5d1d9572cc31]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]   29:     0x7f75db780bd3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h82a18723295373b7
[INFO] [stderr]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/alloc/src/boxed.rs:1854:9
[INFO] [stderr]   30:     0x7f75db780bd3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h4b9b8634f7a2a5a4
[INFO] [stderr]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/alloc/src/boxed.rs:1854:9
[INFO] [stderr]   31:     0x7f75db780bd3 - std::sys::unix::thread::Thread::new::thread_start::h3dc341aa024c6852
[INFO] [stderr]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stderr]   32:     0x7f75db698609 - start_thread
[INFO] [stderr]   33:     0x7f75db442293 - clone
[INFO] [stderr]   34:                0x0 - <unknown>
[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 1.60.0-beta.1 (0a4f984a8 2022-02-22) running on x86_64-unknown-linux-gnu
[INFO] [stderr] 
[INFO] [stderr] note: compiler flags: --crate-type lib -C embed-bitcode=no
[INFO] [stderr] 
[INFO] [stderr] query stack during panic:
[INFO] [stderr] end of query stack
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "7bbcadb8bbab5117a77332eb2481c2e18e250cb8b40b261dd249f7166989b626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bbcadb8bbab5117a77332eb2481c2e18e250cb8b40b261dd249f7166989b626", kill_on_drop: false }`
[INFO] [stdout] 7bbcadb8bbab5117a77332eb2481c2e18e250cb8b40b261dd249f7166989b626