[INFO] fetching crate varlen 0.1.2...
[INFO] checking varlen-0.1.2 against try#c3491e21996dc67a8e37d9e5e74ed156563e9854 for pr-101345
[INFO] extracting crate varlen 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate varlen 0.1.2 on toolchain c3491e21996dc67a8e37d9e5e74ed156563e9854
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c3491e21996dc67a8e37d9e5e74ed156563e9854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate varlen 0.1.2
[INFO] finished tweaking crates.io crate varlen 0.1.2
[INFO] tweaked toml for crates.io crate varlen 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c3491e21996dc67a8e37d9e5e74ed156563e9854" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c3491e21996dc67a8e37d9e5e74ed156563e9854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+c3491e21996dc67a8e37d9e5e74ed156563e9854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e8859a6facd2d2e71c0750f1909ffa87b8ebdb3c579032977205c974dee3d37
[INFO] running `Command { std: "docker" "start" "-a" "0e8859a6facd2d2e71c0750f1909ffa87b8ebdb3c579032977205c974dee3d37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e8859a6facd2d2e71c0750f1909ffa87b8ebdb3c579032977205c974dee3d37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e8859a6facd2d2e71c0750f1909ffa87b8ebdb3c579032977205c974dee3d37", kill_on_drop: false }`
[INFO] [stdout] 0e8859a6facd2d2e71c0750f1909ffa87b8ebdb3c579032977205c974dee3d37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTDOCFLAGS=--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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+c3491e21996dc67a8e37d9e5e74ed156563e9854" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b5611a9ea9f8fb3b74340b6c9ea947703a94aadbd9b776c46999b80d2fb3bc9
[INFO] running `Command { std: "docker" "start" "-a" "5b5611a9ea9f8fb3b74340b6c9ea947703a94aadbd9b776c46999b80d2fb3bc9", kill_on_drop: false }`
[INFO] [stderr]     Checking varlen v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: internal compiler error: compiler/rustc_middle/src/ty/subst.rs:619:9: expected type for `Len/#0` (Len/0) but found Lifetime(ReFree(DefId(0:660 ~ varlen[ccec]::str::{impl#3}::try_copy), BrNamed(DefId(0:1474 ~ varlen[ccec]::str::{impl#3}::try_copy::'_), '_))) when substituting, substs=[ReFree(DefId(0:660 ~ varlen[ccec]::str::{impl#3}::try_copy), BrNamed(DefId(0:1474 ~ varlen[ccec]::str::{impl#3}::try_copy::'_), '_)), Len]
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] thread 'rustc' panicked at 'Box<dyn Any>', /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/compiler/rustc_errors/src/lib.rs:1465:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x7f8953e0f340 - std::backtrace_rs::backtrace::libunwind::trace::h6176bf60b78d74d6
[INFO] [stderr]                                at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]    1:     0x7f8953e0f340 - std::backtrace_rs::backtrace::trace_unsynchronized::h5d22932bd33ba306
[INFO] [stderr]                                at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]    2:     0x7f8953e0f340 - std::sys_common::backtrace::_print_fmt::h91ed71259c388db3
[INFO] [stderr]                                at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stderr]    3:     0x7f8953e0f340 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hde15bb8cbf7665da
[INFO] [stderr]                                at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stderr]    4:     0x7f8953e6a0fe - core::fmt::write::h9761a5598d7cc269
[INFO] [stderr]                                at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/core/src/fmt/mod.rs:1202:17
[INFO] [stderr]    5:     0x7f8953dffd15 - std::io::Write::write_fmt::h26becaaa3f318825
[INFO] [stderr]                                at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/io/mod.rs:1679:15
[INFO] [stderr]    6:     0x7f8953e11fd3 - std::sys_common::backtrace::_print::hc10fefd61e366dd2
[INFO] [stderr]                                at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stderr]    7:     0x7f8953e11fd3 - std::sys_common::backtrace::print::hd8c846072a354bbf
[INFO] [stderr]                                at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stderr]    8:     0x7f8953e11fd3 - std::panicking::default_hook::{{closure}}::haa135eeb0555cd8c
[INFO] [stderr]                                at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/panicking.rs:295:22
[INFO] [stderr]    9:     0x7f8953e11cbf - std::panicking::default_hook::h962e5f45e4e85804
[INFO] [stderr]                                at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/panicking.rs:314:9
[INFO] [stderr]   10:     0x7f89566aa244 - rustc_driver[37844947c1c4e730]::DEFAULT_HOOK::{closure#0}::{closure#0}
[INFO] [stderr]   11:     0x7f8953e1280d - std::panicking::rust_panic_with_hook::h26097f8ccbe406f2
[INFO] [stderr]                                at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/panicking.rs:702:17
[INFO] [stdout] error: internal compiler error: compiler/rustc_middle/src/ty/subst.rs:619:9: expected type for `Len/#0` (Len/0) but found Lifetime(ReFree(DefId(0:660 ~ varlen[5ff8]::str::{impl#3}::try_copy), BrNamed(DefId(0:1458 ~ varlen[5ff8]::str::{impl#3}::try_copy::'_), '_))) when substituting, substs=[ReFree(DefId(0:660 ~ varlen[5ff8]::str::{impl#3}::try_copy), BrNamed(DefId(0:1458 ~ varlen[5ff8]::str::{impl#3}::try_copy::'_), '_)), Len]
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]   12:     0x7f8957671051 - std[17c996d5f6362125]::panicking::begin_panic::<rustc_errors[ffc9f8ad040f737d]::ExplicitBug>::{closure#0}
[INFO] [stderr]   13:     0x7f8957670946 - std[17c996d5f6362125]::sys_common::backtrace::__rust_end_short_backtrace::<std[17c996d5f6362125]::panicking::begin_panic<rustc_errors[ffc9f8ad040f737d]::ExplicitBug>::{closure#0}, !>
[INFO] [stderr]   14:     0x7f895766d5f6 - std[17c996d5f6362125]::panicking::begin_panic::<rustc_errors[ffc9f8ad040f737d]::ExplicitBug>
[INFO] [stderr]   15:     0x7f895766d5e6 - std[17c996d5f6362125]::panic::panic_any::<rustc_errors[ffc9f8ad040f737d]::ExplicitBug>
[INFO] [stderr]   16:     0x7f895766c3ad - <rustc_errors[ffc9f8ad040f737d]::HandlerInner>::bug::<&alloc[cf695002ebe1f35b]::string::String>
[INFO] [stderr] thread 'rustc' panicked at 'Box<dyn Any>', /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/compiler/rustc_errors/src/lib.rs:1465:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]   17:     0x7f895766bc10 - <rustc_errors[ffc9f8ad040f737d]::Handler>::bug::<&alloc[cf695002ebe1f35b]::string::String>
[INFO] [stderr]   18:     0x7f89576d4c6d - rustc_middle[7beb62e1eee56aa5]::ty::context::tls::with_context_opt::<rustc_middle[7beb62e1eee56aa5]::ty::context::tls::with_opt<rustc_middle[7beb62e1eee56aa5]::util::bug::opt_span_bug_fmt<rustc_span[b6ed302232182e4]::span_encoding::Span>::{closure#0}, ()>::{closure#0}, ()>
[INFO] [stderr]   19:     0x7f89576d69b6 - rustc_middle[7beb62e1eee56aa5]::util::bug::opt_span_bug_fmt::<rustc_span[b6ed302232182e4]::span_encoding::Span>
[INFO] [stderr]   20:     0x7f895507b1a3 - rustc_middle[7beb62e1eee56aa5]::util::bug::bug_fmt
[INFO] [stderr]   21:     0x7f89576d394d - <rustc_middle[7beb62e1eee56aa5]::ty::subst::SubstFolder>::type_param_expected
[INFO] [stderr]   22:     0x7f8954f8433b - <rustc_middle[7beb62e1eee56aa5]::ty::subst::SubstFolder as rustc_middle[7beb62e1eee56aa5]::ty::fold::FallibleTypeFolder>::try_fold_ty
[INFO] [stderr]   23:     0x7f8954f7bf98 - <rustc_middle[7beb62e1eee56aa5]::ty::subst::SubstFolder as rustc_middle[7beb62e1eee56aa5]::ty::fold::TypeFolder>::fold_ty
[INFO] [stderr]   24:     0x7f89550d34bb - <rustc_middle[7beb62e1eee56aa5]::ty::subst::SubstFolder as rustc_middle[7beb62e1eee56aa5]::ty::fold::FallibleTypeFolder>::try_fold_predicate
[INFO] [stderr]   25:     0x7f89550d3003 - rustc_middle[7beb62e1eee56aa5]::ty::util::fold_list::<rustc_middle[7beb62e1eee56aa5]::ty::subst::SubstFolder, rustc_middle[7beb62e1eee56aa5]::ty::Predicate, <&rustc_middle[7beb62e1eee56aa5]::ty::list::List<rustc_middle[7beb62e1eee56aa5]::ty::Predicate> as rustc_middle[7beb62e1eee56aa5]::ty::fold::TypeFoldable>::try_fold_with<rustc_middle[7beb62e1eee56aa5]::ty::subst::SubstFolder>::{closure#0}>
[INFO] [stderr]    0:     0x7fdf47c50340 - std::backtrace_rs::backtrace::libunwind::trace::h6176bf60b78d74d6
[INFO] [stderr]   26:     0x7f8955b0ca8b - <rustc_trait_selection[4389bfe8e46ad159]::traits::select::SelectionContext>::match_projection_obligation_against_definition_bounds
[INFO] [stderr]                                at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]    1:     0x7fdf47c50340 - std::backtrace_rs::backtrace::trace_unsynchronized::h5d22932bd33ba306
[INFO] [stderr]                                at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]    2:     0x7fdf47c50340 - std::sys_common::backtrace::_print_fmt::h91ed71259c388db3
[INFO] [stderr]                                at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stderr]    3:     0x7fdf47c50340 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hde15bb8cbf7665da
[INFO] [stderr]                                at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stderr]   27:     0x7f89550094c8 - <rustc_trait_selection[4389bfe8e46ad159]::traits::select::SelectionContext>::assemble_candidates
[INFO] [stderr]   28:     0x7f8955003b99 - <rustc_trait_selection[4389bfe8e46ad159]::traits::select::SelectionContext>::candidate_from_obligation_no_cache
[INFO] [stderr]   29:     0x7f8955229c74 - <rustc_trait_selection[4389bfe8e46ad159]::traits::fulfill::FulfillProcessor as rustc_data_structures[7dd3ac3ff0520fbe]::obligation_forest::ObligationProcessor>::process_obligation
[INFO] [stderr]   30:     0x7f895522572f - <rustc_data_structures[7dd3ac3ff0520fbe]::obligation_forest::ObligationForest<rustc_trait_selection[4389bfe8e46ad159]::traits::fulfill::PendingPredicateObligation>>::process_obligations::<rustc_trait_selection[4389bfe8e46ad159]::traits::fulfill::FulfillProcessor, rustc_data_structures[7dd3ac3ff0520fbe]::obligation_forest::Outcome<rustc_trait_selection[4389bfe8e46ad159]::traits::fulfill::PendingPredicateObligation, rustc_infer[bbc97436ca37d1d4]::traits::FulfillmentErrorCode>>
[INFO] [stderr]   31:     0x7f8955b69854 - <rustc_trait_selection[4389bfe8e46ad159]::traits::engine::ObligationCtxt>::select_all_or_error
[INFO] [stderr]    4:     0x7fdf47cab0fe - core::fmt::write::h9761a5598d7cc269
[INFO] [stderr]                                at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/core/src/fmt/mod.rs:1202:17
[INFO] [stderr]    5:     0x7fdf47c40d15 - std::io::Write::write_fmt::h26becaaa3f318825
[INFO] [stderr]                                at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/io/mod.rs:1679:15
[INFO] [stderr]    6:     0x7fdf47c52fd3 - std::sys_common::backtrace::_print::hc10fefd61e366dd2
[INFO] [stderr]                                at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stderr]    7:     0x7fdf47c52fd3 - std::sys_common::backtrace::print::hd8c846072a354bbf
[INFO] [stderr]                                at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stderr]    8:     0x7fdf47c52fd3 - std::panicking::default_hook::{{closure}}::haa135eeb0555cd8c
[INFO] [stderr]                                at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/panicking.rs:295:22
[INFO] [stderr]    9:     0x7fdf47c52cbf - std::panicking::default_hook::h962e5f45e4e85804
[INFO] [stderr]                                at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/panicking.rs:314:9
[INFO] [stderr]   32:     0x7f8955d84416 - <rustc_infer[bbc97436ca37d1d4]::infer::InferCtxtBuilder>::enter::<(), rustc_typeck[1c1b7dedada1227e]::check::wfcheck::enter_wf_checking_ctxt<rustc_typeck[1c1b7dedada1227e]::check::wfcheck::check_associated_item::{closure#0}>::{closure#0}>
[INFO] [stderr]   33:     0x7f8955d830c7 - rustc_typeck[1c1b7dedada1227e]::check::wfcheck::check_associated_item
[INFO] [stderr]   34:     0x7f8955d7f8a1 - rustc_typeck[1c1b7dedada1227e]::check::wfcheck::check_well_formed
[INFO] [stderr]   35:     0x7f89555cf4f0 - rustc_query_system[50d9efc904e05111]::query::plumbing::try_execute_query::<rustc_query_impl[9cda1b2952faa175]::plumbing::QueryCtxt, rustc_query_system[50d9efc904e05111]::query::caches::DefaultCache<rustc_span[b6ed302232182e4]::def_id::LocalDefId, ()>>
[INFO] [stderr]   36:     0x7f89565abbf7 - <rustc_query_impl[9cda1b2952faa175]::Queries as rustc_middle[7beb62e1eee56aa5]::ty::query::QueryEngine>::check_well_formed
[INFO] [stderr]   37:     0x7f895614118f - rustc_data_structures[7dd3ac3ff0520fbe]::sync::par_for_each_in::<&[rustc_hir[7bbdfdd47438bf92]::hir::ImplItemId], <rustc_middle[7beb62e1eee56aa5]::hir::ModuleItems>::par_impl_items<rustc_typeck[1c1b7dedada1227e]::check::wfcheck::check_mod_type_wf::{closure#1}>::{closure#0}>
[INFO] [stderr]   38:     0x7f8956515cc9 - rustc_typeck[1c1b7dedada1227e]::check::wfcheck::check_mod_type_wf
[INFO] [stderr]   39:     0x7f89555cf4f0 - rustc_query_system[50d9efc904e05111]::query::plumbing::try_execute_query::<rustc_query_impl[9cda1b2952faa175]::plumbing::QueryCtxt, rustc_query_system[50d9efc904e05111]::query::caches::DefaultCache<rustc_span[b6ed302232182e4]::def_id::LocalDefId, ()>>
[INFO] [stderr]   40:     0x7f89560e8d35 - rustc_query_system[50d9efc904e05111]::query::plumbing::get_query::<rustc_query_impl[9cda1b2952faa175]::queries::check_mod_type_wf, rustc_query_impl[9cda1b2952faa175]::plumbing::QueryCtxt>
[INFO] [stderr]   41:     0x7f895608e7b8 - rustc_data_structures[7dd3ac3ff0520fbe]::sync::par_for_each_in::<&[rustc_span[b6ed302232182e4]::def_id::LocalDefId], <rustc_middle[7beb62e1eee56aa5]::hir::map::Map>::par_for_each_module<rustc_typeck[1c1b7dedada1227e]::check_crate::{closure#5}::{closure#0}::{closure#0}>::{closure#0}>
[INFO] [stderr]   42:     0x7f895608e5c3 - <rustc_session[5315452ada7584b8]::session::Session>::track_errors::<rustc_typeck[1c1b7dedada1227e]::check_crate::{closure#5}, ()>
[INFO] [stderr]   43:     0x7f895608dbf0 - rustc_typeck[1c1b7dedada1227e]::check_crate
[INFO] [stderr]   44:     0x7f895608ba62 - rustc_interface[5b9d04fc58ee7720]::passes::analysis
[INFO] [stderr]   45:     0x7f895643672f - rustc_query_system[50d9efc904e05111]::query::plumbing::try_execute_query::<rustc_query_impl[9cda1b2952faa175]::plumbing::QueryCtxt, rustc_query_system[50d9efc904e05111]::query::caches::DefaultCache<(), core[fae64f17691dff84]::result::Result<(), rustc_errors[ffc9f8ad040f737d]::ErrorGuaranteed>>>
[INFO] [stderr]   46:     0x7f8956436440 - rustc_query_system[50d9efc904e05111]::query::plumbing::get_query::<rustc_query_impl[9cda1b2952faa175]::queries::analysis, rustc_query_impl[9cda1b2952faa175]::plumbing::QueryCtxt>
[INFO] [stderr]   47:     0x7f89554d3744 - <rustc_interface[5b9d04fc58ee7720]::passes::QueryContext>::enter::<rustc_driver[37844947c1c4e730]::run_compiler::{closure#1}::{closure#2}::{closure#3}, core[fae64f17691dff84]::result::Result<(), rustc_errors[ffc9f8ad040f737d]::ErrorGuaranteed>>
[INFO] [stderr]   48:     0x7f89554d02ae - <rustc_interface[5b9d04fc58ee7720]::interface::Compiler>::enter::<rustc_driver[37844947c1c4e730]::run_compiler::{closure#1}::{closure#2}, core[fae64f17691dff84]::result::Result<core[fae64f17691dff84]::option::Option<rustc_interface[5b9d04fc58ee7720]::queries::Linker>, rustc_errors[ffc9f8ad040f737d]::ErrorGuaranteed>>
[INFO] [stderr]   49:     0x7f89554cb41c - rustc_span[b6ed302232182e4]::with_source_map::<core[fae64f17691dff84]::result::Result<(), rustc_errors[ffc9f8ad040f737d]::ErrorGuaranteed>, rustc_interface[5b9d04fc58ee7720]::interface::create_compiler_and_run<core[fae64f17691dff84]::result::Result<(), rustc_errors[ffc9f8ad040f737d]::ErrorGuaranteed>, rustc_driver[37844947c1c4e730]::run_compiler::{closure#1}>::{closure#1}>
[INFO] [stderr]   50:     0x7f89554cae12 - rustc_interface[5b9d04fc58ee7720]::interface::create_compiler_and_run::<core[fae64f17691dff84]::result::Result<(), rustc_errors[ffc9f8ad040f737d]::ErrorGuaranteed>, rustc_driver[37844947c1c4e730]::run_compiler::{closure#1}>
[INFO] [stderr]   51:     0x7f89554c9a61 - <scoped_tls[234c2e5b0f1b47a]::ScopedKey<rustc_span[b6ed302232182e4]::SessionGlobals>>::set::<rustc_interface[5b9d04fc58ee7720]::interface::run_compiler<core[fae64f17691dff84]::result::Result<(), rustc_errors[ffc9f8ad040f737d]::ErrorGuaranteed>, rustc_driver[37844947c1c4e730]::run_compiler::{closure#1}>::{closure#0}, core[fae64f17691dff84]::result::Result<(), rustc_errors[ffc9f8ad040f737d]::ErrorGuaranteed>>
[INFO] [stderr]   52:     0x7f89554c974f - std[17c996d5f6362125]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[5b9d04fc58ee7720]::util::run_in_thread_pool_with_globals<rustc_interface[5b9d04fc58ee7720]::interface::run_compiler<core[fae64f17691dff84]::result::Result<(), rustc_errors[ffc9f8ad040f737d]::ErrorGuaranteed>, rustc_driver[37844947c1c4e730]::run_compiler::{closure#1}>::{closure#0}, core[fae64f17691dff84]::result::Result<(), rustc_errors[ffc9f8ad040f737d]::ErrorGuaranteed>>::{closure#0}, core[fae64f17691dff84]::result::Result<(), rustc_errors[ffc9f8ad040f737d]::ErrorGuaranteed>>
[INFO] [stderr]   53:     0x7f89564c8629 - <<std[17c996d5f6362125]::thread::Builder>::spawn_unchecked_<rustc_interface[5b9d04fc58ee7720]::util::run_in_thread_pool_with_globals<rustc_interface[5b9d04fc58ee7720]::interface::run_compiler<core[fae64f17691dff84]::result::Result<(), rustc_errors[ffc9f8ad040f737d]::ErrorGuaranteed>, rustc_driver[37844947c1c4e730]::run_compiler::{closure#1}>::{closure#0}, core[fae64f17691dff84]::result::Result<(), rustc_errors[ffc9f8ad040f737d]::ErrorGuaranteed>>::{closure#0}, core[fae64f17691dff84]::result::Result<(), rustc_errors[ffc9f8ad040f737d]::ErrorGuaranteed>>::{closure#1} as core[fae64f17691dff84]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]   54:     0x7f8953e1c663 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hbcba3d5baddb20d1
[INFO] [stderr]                                at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/alloc/src/boxed.rs:1940:9
[INFO] [stderr]   55:     0x7f8953e1c663 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hcb40027853eebed4
[INFO] [stderr]                                at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/alloc/src/boxed.rs:1940:9
[INFO] [stderr]   56:     0x7f8953e1c663 - std::sys::unix::thread::Thread::new::thread_start::habdd10d71164d0ca
[INFO] [stderr]                                at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stderr]   57:     0x7f8953ccc609 - start_thread
[INFO] [stderr]   58:     0x7f8953bef133 - clone
[INFO] [stderr]   59:                0x0 - <unknown>
[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 1.65.0-nightly (c3491e219 2022-09-03) running on x86_64-unknown-linux-gnu
[INFO] [stderr] 
[INFO] [stderr] note: compiler flags: -C embed-bitcode=no -C debuginfo=2
[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] #0 [check_well_formed] checking that `str::<impl at src/str.rs:142:1: 142:29>::try_copy` is well-formed
[INFO] [stderr] #1 [check_mod_type_wf] checking that types are well-formed in module `str`
[INFO] [stderr] #2 [analysis] running analysis passes on this crate
[INFO] [stderr] end of query stack
[INFO] [stderr]   10:     0x7fdf4a4eb244 - rustc_driver[37844947c1c4e730]::DEFAULT_HOOK::{closure#0}::{closure#0}
[INFO] [stderr]   11:     0x7fdf47c5380d - std::panicking::rust_panic_with_hook::h26097f8ccbe406f2
[INFO] [stderr]                                at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/panicking.rs:702:17
[INFO] [stderr]   12:     0x7fdf4b4b2051 - std[17c996d5f6362125]::panicking::begin_panic::<rustc_errors[ffc9f8ad040f737d]::ExplicitBug>::{closure#0}
[INFO] [stderr]   13:     0x7fdf4b4b1946 - std[17c996d5f6362125]::sys_common::backtrace::__rust_end_short_backtrace::<std[17c996d5f6362125]::panicking::begin_panic<rustc_errors[ffc9f8ad040f737d]::ExplicitBug>::{closure#0}, !>
[INFO] [stderr]   14:     0x7fdf4b4ae5f6 - std[17c996d5f6362125]::panicking::begin_panic::<rustc_errors[ffc9f8ad040f737d]::ExplicitBug>
[INFO] [stderr]   15:     0x7fdf4b4ae5e6 - std[17c996d5f6362125]::panic::panic_any::<rustc_errors[ffc9f8ad040f737d]::ExplicitBug>
[INFO] [stderr]   16:     0x7fdf4b4ad3ad - <rustc_errors[ffc9f8ad040f737d]::HandlerInner>::bug::<&alloc[cf695002ebe1f35b]::string::String>
[INFO] [stderr]   17:     0x7fdf4b4acc10 - <rustc_errors[ffc9f8ad040f737d]::Handler>::bug::<&alloc[cf695002ebe1f35b]::string::String>
[INFO] [stderr]   18:     0x7fdf4b515c6d - rustc_middle[7beb62e1eee56aa5]::ty::context::tls::with_context_opt::<rustc_middle[7beb62e1eee56aa5]::ty::context::tls::with_opt<rustc_middle[7beb62e1eee56aa5]::util::bug::opt_span_bug_fmt<rustc_span[b6ed302232182e4]::span_encoding::Span>::{closure#0}, ()>::{closure#0}, ()>
[INFO] [stderr]   19:     0x7fdf4b5179b6 - rustc_middle[7beb62e1eee56aa5]::util::bug::opt_span_bug_fmt::<rustc_span[b6ed302232182e4]::span_encoding::Span>
[INFO] [stderr]   20:     0x7fdf48ebc1a3 - rustc_middle[7beb62e1eee56aa5]::util::bug::bug_fmt
[INFO] [stderr]   21:     0x7fdf4b51494d - <rustc_middle[7beb62e1eee56aa5]::ty::subst::SubstFolder>::type_param_expected
[INFO] [stderr]   22:     0x7fdf48dc533b - <rustc_middle[7beb62e1eee56aa5]::ty::subst::SubstFolder as rustc_middle[7beb62e1eee56aa5]::ty::fold::FallibleTypeFolder>::try_fold_ty
[INFO] [stderr]   23:     0x7fdf48dbcf98 - <rustc_middle[7beb62e1eee56aa5]::ty::subst::SubstFolder as rustc_middle[7beb62e1eee56aa5]::ty::fold::TypeFolder>::fold_ty
[INFO] [stderr]   24:     0x7fdf48f144bb - <rustc_middle[7beb62e1eee56aa5]::ty::subst::SubstFolder as rustc_middle[7beb62e1eee56aa5]::ty::fold::FallibleTypeFolder>::try_fold_predicate
[INFO] [stderr]   25:     0x7fdf48f14003 - rustc_middle[7beb62e1eee56aa5]::ty::util::fold_list::<rustc_middle[7beb62e1eee56aa5]::ty::subst::SubstFolder, rustc_middle[7beb62e1eee56aa5]::ty::Predicate, <&rustc_middle[7beb62e1eee56aa5]::ty::list::List<rustc_middle[7beb62e1eee56aa5]::ty::Predicate> as rustc_middle[7beb62e1eee56aa5]::ty::fold::TypeFoldable>::try_fold_with<rustc_middle[7beb62e1eee56aa5]::ty::subst::SubstFolder>::{closure#0}>
[INFO] [stderr]   26:     0x7fdf4994da8b - <rustc_trait_selection[4389bfe8e46ad159]::traits::select::SelectionContext>::match_projection_obligation_against_definition_bounds
[INFO] [stderr]   27:     0x7fdf48e4a4c8 - <rustc_trait_selection[4389bfe8e46ad159]::traits::select::SelectionContext>::assemble_candidates
[INFO] [stderr]   28:     0x7fdf48e44b99 - <rustc_trait_selection[4389bfe8e46ad159]::traits::select::SelectionContext>::candidate_from_obligation_no_cache
[INFO] [stderr]   29:     0x7fdf4906ac74 - <rustc_trait_selection[4389bfe8e46ad159]::traits::fulfill::FulfillProcessor as rustc_data_structures[7dd3ac3ff0520fbe]::obligation_forest::ObligationProcessor>::process_obligation
[INFO] [stderr]   30:     0x7fdf4906672f - <rustc_data_structures[7dd3ac3ff0520fbe]::obligation_forest::ObligationForest<rustc_trait_selection[4389bfe8e46ad159]::traits::fulfill::PendingPredicateObligation>>::process_obligations::<rustc_trait_selection[4389bfe8e46ad159]::traits::fulfill::FulfillProcessor, rustc_data_structures[7dd3ac3ff0520fbe]::obligation_forest::Outcome<rustc_trait_selection[4389bfe8e46ad159]::traits::fulfill::PendingPredicateObligation, rustc_infer[bbc97436ca37d1d4]::traits::FulfillmentErrorCode>>
[INFO] [stderr]   31:     0x7fdf499aa854 - <rustc_trait_selection[4389bfe8e46ad159]::traits::engine::ObligationCtxt>::select_all_or_error
[INFO] [stderr]   32:     0x7fdf49bc5416 - <rustc_infer[bbc97436ca37d1d4]::infer::InferCtxtBuilder>::enter::<(), rustc_typeck[1c1b7dedada1227e]::check::wfcheck::enter_wf_checking_ctxt<rustc_typeck[1c1b7dedada1227e]::check::wfcheck::check_associated_item::{closure#0}>::{closure#0}>
[INFO] [stderr]   33:     0x7fdf49bc40c7 - rustc_typeck[1c1b7dedada1227e]::check::wfcheck::check_associated_item
[INFO] [stderr]   34:     0x7fdf49bc08a1 - rustc_typeck[1c1b7dedada1227e]::check::wfcheck::check_well_formed
[INFO] [stderr]   35:     0x7fdf494104f0 - rustc_query_system[50d9efc904e05111]::query::plumbing::try_execute_query::<rustc_query_impl[9cda1b2952faa175]::plumbing::QueryCtxt, rustc_query_system[50d9efc904e05111]::query::caches::DefaultCache<rustc_span[b6ed302232182e4]::def_id::LocalDefId, ()>>
[INFO] [stderr]   36:     0x7fdf4a3ecbf7 - <rustc_query_impl[9cda1b2952faa175]::Queries as rustc_middle[7beb62e1eee56aa5]::ty::query::QueryEngine>::check_well_formed
[INFO] [stderr]   37:     0x7fdf49f8218f - rustc_data_structures[7dd3ac3ff0520fbe]::sync::par_for_each_in::<&[rustc_hir[7bbdfdd47438bf92]::hir::ImplItemId], <rustc_middle[7beb62e1eee56aa5]::hir::ModuleItems>::par_impl_items<rustc_typeck[1c1b7dedada1227e]::check::wfcheck::check_mod_type_wf::{closure#1}>::{closure#0}>
[INFO] [stderr]   38:     0x7fdf4a356cc9 - rustc_typeck[1c1b7dedada1227e]::check::wfcheck::check_mod_type_wf
[INFO] [stderr]   39:     0x7fdf494104f0 - rustc_query_system[50d9efc904e05111]::query::plumbing::try_execute_query::<rustc_query_impl[9cda1b2952faa175]::plumbing::QueryCtxt, rustc_query_system[50d9efc904e05111]::query::caches::DefaultCache<rustc_span[b6ed302232182e4]::def_id::LocalDefId, ()>>
[INFO] [stderr]   40:     0x7fdf49f29d35 - rustc_query_system[50d9efc904e05111]::query::plumbing::get_query::<rustc_query_impl[9cda1b2952faa175]::queries::check_mod_type_wf, rustc_query_impl[9cda1b2952faa175]::plumbing::QueryCtxt>
[INFO] [stderr]   41:     0x7fdf49ecf7b8 - rustc_data_structures[7dd3ac3ff0520fbe]::sync::par_for_each_in::<&[rustc_span[b6ed302232182e4]::def_id::LocalDefId], <rustc_middle[7beb62e1eee56aa5]::hir::map::Map>::par_for_each_module<rustc_typeck[1c1b7dedada1227e]::check_crate::{closure#5}::{closure#0}::{closure#0}>::{closure#0}>
[INFO] [stderr]   42:     0x7fdf49ecf5c3 - <rustc_session[5315452ada7584b8]::session::Session>::track_errors::<rustc_typeck[1c1b7dedada1227e]::check_crate::{closure#5}, ()>
[INFO] [stderr]   43:     0x7fdf49ecebf0 - rustc_typeck[1c1b7dedada1227e]::check_crate
[INFO] [stderr]   44:     0x7fdf49ecca62 - rustc_interface[5b9d04fc58ee7720]::passes::analysis
[INFO] [stderr]   45:     0x7fdf4a27772f - rustc_query_system[50d9efc904e05111]::query::plumbing::try_execute_query::<rustc_query_impl[9cda1b2952faa175]::plumbing::QueryCtxt, rustc_query_system[50d9efc904e05111]::query::caches::DefaultCache<(), core[fae64f17691dff84]::result::Result<(), rustc_errors[ffc9f8ad040f737d]::ErrorGuaranteed>>>
[INFO] [stderr]   46:     0x7fdf4a277440 - rustc_query_system[50d9efc904e05111]::query::plumbing::get_query::<rustc_query_impl[9cda1b2952faa175]::queries::analysis, rustc_query_impl[9cda1b2952faa175]::plumbing::QueryCtxt>
[INFO] [stderr]   47:     0x7fdf49314744 - <rustc_interface[5b9d04fc58ee7720]::passes::QueryContext>::enter::<rustc_driver[37844947c1c4e730]::run_compiler::{closure#1}::{closure#2}::{closure#3}, core[fae64f17691dff84]::result::Result<(), rustc_errors[ffc9f8ad040f737d]::ErrorGuaranteed>>
[INFO] [stderr]   48:     0x7fdf493112ae - <rustc_interface[5b9d04fc58ee7720]::interface::Compiler>::enter::<rustc_driver[37844947c1c4e730]::run_compiler::{closure#1}::{closure#2}, core[fae64f17691dff84]::result::Result<core[fae64f17691dff84]::option::Option<rustc_interface[5b9d04fc58ee7720]::queries::Linker>, rustc_errors[ffc9f8ad040f737d]::ErrorGuaranteed>>
[INFO] [stderr]   49:     0x7fdf4930c41c - rustc_span[b6ed302232182e4]::with_source_map::<core[fae64f17691dff84]::result::Result<(), rustc_errors[ffc9f8ad040f737d]::ErrorGuaranteed>, rustc_interface[5b9d04fc58ee7720]::interface::create_compiler_and_run<core[fae64f17691dff84]::result::Result<(), rustc_errors[ffc9f8ad040f737d]::ErrorGuaranteed>, rustc_driver[37844947c1c4e730]::run_compiler::{closure#1}>::{closure#1}>
[INFO] [stderr]   50:     0x7fdf4930be12 - rustc_interface[5b9d04fc58ee7720]::interface::create_compiler_and_run::<core[fae64f17691dff84]::result::Result<(), rustc_errors[ffc9f8ad040f737d]::ErrorGuaranteed>, rustc_driver[37844947c1c4e730]::run_compiler::{closure#1}>
[INFO] [stderr]   51:     0x7fdf4930aa61 - <scoped_tls[234c2e5b0f1b47a]::ScopedKey<rustc_span[b6ed302232182e4]::SessionGlobals>>::set::<rustc_interface[5b9d04fc58ee7720]::interface::run_compiler<core[fae64f17691dff84]::result::Result<(), rustc_errors[ffc9f8ad040f737d]::ErrorGuaranteed>, rustc_driver[37844947c1c4e730]::run_compiler::{closure#1}>::{closure#0}, core[fae64f17691dff84]::result::Result<(), rustc_errors[ffc9f8ad040f737d]::ErrorGuaranteed>>
[INFO] [stderr]   52:     0x7fdf4930a74f - std[17c996d5f6362125]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[5b9d04fc58ee7720]::util::run_in_thread_pool_with_globals<rustc_interface[5b9d04fc58ee7720]::interface::run_compiler<core[fae64f17691dff84]::result::Result<(), rustc_errors[ffc9f8ad040f737d]::ErrorGuaranteed>, rustc_driver[37844947c1c4e730]::run_compiler::{closure#1}>::{closure#0}, core[fae64f17691dff84]::result::Result<(), rustc_errors[ffc9f8ad040f737d]::ErrorGuaranteed>>::{closure#0}, core[fae64f17691dff84]::result::Result<(), rustc_errors[ffc9f8ad040f737d]::ErrorGuaranteed>>
[INFO] [stderr]   53:     0x7fdf4a309629 - <<std[17c996d5f6362125]::thread::Builder>::spawn_unchecked_<rustc_interface[5b9d04fc58ee7720]::util::run_in_thread_pool_with_globals<rustc_interface[5b9d04fc58ee7720]::interface::run_compiler<core[fae64f17691dff84]::result::Result<(), rustc_errors[ffc9f8ad040f737d]::ErrorGuaranteed>, rustc_driver[37844947c1c4e730]::run_compiler::{closure#1}>::{closure#0}, core[fae64f17691dff84]::result::Result<(), rustc_errors[ffc9f8ad040f737d]::ErrorGuaranteed>>::{closure#0}, core[fae64f17691dff84]::result::Result<(), rustc_errors[ffc9f8ad040f737d]::ErrorGuaranteed>>::{closure#1} as core[fae64f17691dff84]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]   54:     0x7fdf47c5d663 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hbcba3d5baddb20d1
[INFO] [stderr]                                at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/alloc/src/boxed.rs:1940:9
[INFO] [stderr]   55:     0x7fdf47c5d663 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hcb40027853eebed4
[INFO] [stderr]                                at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/alloc/src/boxed.rs:1940:9
[INFO] [stderr]   56:     0x7fdf47c5d663 - std::sys::unix::thread::Thread::new::thread_start::habdd10d71164d0ca
[INFO] [stderr]                                at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]   57:     0x7fdf47b0d609 - start_thread
[INFO] [stderr]   58:     0x7fdf47a30133 - clone
[INFO] [stderr]   59:                0x0 - <unknown>
[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 1.65.0-nightly (c3491e219 2022-09-03) running on x86_64-unknown-linux-gnu
[INFO] [stderr] 
[INFO] [stderr] note: compiler flags: --crate-type lib -C embed-bitcode=no -C debuginfo=2
[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] #0 [check_well_formed] checking that `str::<impl at src/str.rs:142:1: 142:29>::try_copy` is well-formed
[INFO] [stderr] #1 [check_mod_type_wf] checking that types are well-formed in module `str`
[INFO] [stderr] #2 [analysis] running analysis passes on this crate
[INFO] [stderr] end of query stack
[INFO] [stderr] error: could not compile `varlen` due to previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `varlen` due to previous error
[INFO] running `Command { std: "docker" "inspect" "5b5611a9ea9f8fb3b74340b6c9ea947703a94aadbd9b776c46999b80d2fb3bc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b5611a9ea9f8fb3b74340b6c9ea947703a94aadbd9b776c46999b80d2fb3bc9", kill_on_drop: false }`
[INFO] [stdout] 5b5611a9ea9f8fb3b74340b6c9ea947703a94aadbd9b776c46999b80d2fb3bc9