[INFO] crate queueue 0.1.1-beta.3 is already in cache [INFO] testing queueue-0.1.1-beta.3 against 1.45.2 for beta-1.46-1 [INFO] extracting crate queueue 0.1.1-beta.3 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate queueue 0.1.1-beta.3 on toolchain 1.45.2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate queueue 0.1.1-beta.3 [INFO] finished tweaking crates.io crate queueue 0.1.1-beta.3 [INFO] tweaked toml for crates.io crate queueue 0.1.1-beta.3 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c786444bef39204274827931e695c23d62285bc07c4db444ecc6f2cebdfa9f7f [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" "c786444bef39204274827931e695c23d62285bc07c4db444ecc6f2cebdfa9f7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c786444bef39204274827931e695c23d62285bc07c4db444ecc6f2cebdfa9f7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c786444bef39204274827931e695c23d62285bc07c4db444ecc6f2cebdfa9f7f", kill_on_drop: false }` [INFO] [stdout] c786444bef39204274827931e695c23d62285bc07c4db444ecc6f2cebdfa9f7f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "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] 838c598383dd9fcc76c9276bb4fc9d0105165c16699feefc638affb87419a51a [INFO] running `Command { std: "docker" "start" "-a" "838c598383dd9fcc76c9276bb4fc9d0105165c16699feefc638affb87419a51a", kill_on_drop: false }` [INFO] [stderr] Compiling queueue v0.1.1-beta.3 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(const_generics, maybe_uninit_uninit_array, internal_uninit_const, const_fn, const_in_array_repeat_expressions)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `const_generics` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(const_generics, maybe_uninit_uninit_array, internal_uninit_const, const_fn, const_in_array_repeat_expressions)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #44580 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] thread 'rustc' panicked at 'Box', src/librustc_errors/lib.rs:907:9 [INFO] [stderr] stack backtrace: [INFO] [stdout] error: internal compiler error: src/librustc_mir/interpret/operand.rs:548: eval_const_to_op: Unexpected ConstKind Const { ty: usize, val: Bound(DebruijnIndex(0), 1) } [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] 0: 0x7fe0091300e5 - backtrace::backtrace::libunwind::trace::ha215bbf14e328799 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x7fe0091300e5 - backtrace::backtrace::trace_unsynchronized::h3384b099b135857a [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x7fe0091300e5 - std::sys_common::backtrace::_print_fmt::hfec93740f7294682 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x7fe0091300e5 - ::fmt::h5fe20777f4174074 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x7fe00916d7fc - core::fmt::write::he14c3177144df275 [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x7fe0091227f3 - std::io::Write::write_fmt::h8e26323bfab8bcc5 [INFO] [stderr] at src/libstd/io/mod.rs:1537 [INFO] [stderr] 6: 0x7fe009135100 - std::sys_common::backtrace::_print::h9cfa4c87526ba064 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x7fe009135100 - std::sys_common::backtrace::print::h94936584848b3272 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x7fe009135100 - std::panicking::default_hook::{{closure}}::h733b20cc9b496e46 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x7fe009134e4c - std::panicking::default_hook::h556d8cff6c12a651 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x7fe00985c463 - rustc_driver::report_ice::h6d1c693aceeb9f1d [INFO] [stderr] 11: 0x7fe0091357ac - std::panicking::rust_panic_with_hook::ha0c7ca5b39baa9d5 [INFO] [stderr] at src/libstd/panicking.rs:490 [INFO] [stderr] 12: 0x7fe00c361233 - std::panicking::begin_panic::h7240eb028bccc0fb [INFO] [stderr] 13: 0x7fe00c39c0b0 - rustc_errors::HandlerInner::bug::h460b87c90994fadc [INFO] [stderr] 14: 0x7fe00c39ab40 - rustc_errors::Handler::bug::h8b22dd8584beb2a7 [INFO] [stderr] 15: 0x7fe00bf4b222 - rustc_middle::util::bug::opt_span_bug_fmt::{{closure}}::h7e7ad5283a62fe13 [INFO] [stderr] 16: 0x7fe00bf41d6b - rustc_middle::ty::context::tls::with_opt::{{closure}}::h5a261c273fa62c60 [INFO] [stderr] 17: 0x7fe00bf41cb9 - rustc_middle::ty::context::tls::with_opt::hc280b87b3b5a3b8e [INFO] [stderr] 18: 0x7fe00bf4b138 - rustc_middle::util::bug::opt_span_bug_fmt::h74832a7d5362725a [INFO] [stderr] 19: 0x7fe00bf4b0a2 - rustc_middle::util::bug::bug_fmt::h3ff3e2ec677b093f [INFO] [stderr] 20: 0x7fe00ad5b0f6 - rustc_mir::interpret::operand::>::eval_const_to_op::h71ceb1592183a71d [INFO] [stderr] 21: 0x7fe00ad59f25 - rustc_mir::interpret::operand::>::eval_operand::ha404dec98e0293b2 [INFO] [stderr] 22: 0x7fe00ad77e04 - rustc_mir::interpret::step::>::eval_rvalue_into_place::h04db760ae07cb7fd [INFO] [stderr] 23: 0x7fe00ad7479c - rustc_mir::interpret::step::>::run::h2d469456e2ff3bdf [INFO] [stderr] 24: 0x7fe00aa608c6 - rustc_mir::const_eval::eval_queries::const_eval_raw_provider::hccdbda404731bb8f [INFO] [stderr] 25: 0x7fe00aa3185d - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::const_eval_raw>::compute::hfa5dc67424762b0c [INFO] [stderr] 26: 0x7fe00ad28a66 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::hb860e2fb0796c4a7 [INFO] [stderr] 27: 0x7fe00adae22a - rustc_data_structures::stack::ensure_sufficient_stack::he7affc531c6b6fb3 [INFO] [stderr] 28: 0x7fe00ac77c96 - rustc_query_system::query::plumbing::get_query_impl::h58c0fbc877147ffc [INFO] [stderr] 29: 0x7fe00aa5f10e - rustc_mir::const_eval::eval_queries::const_eval_validated_provider::hb23420f52d4a5660 [INFO] [stderr] 30: 0x7fe00bf557a3 - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::const_eval_validated>::compute::h7d27d43e57f65b72 [INFO] [stderr] 31: 0x7fe00bd4e580 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h12cb9fe943c08339 [INFO] [stderr] 32: 0x7fe00bed8332 - rustc_data_structures::stack::ensure_sufficient_stack::hef4a6b7187661abe [INFO] [stderr] 33: 0x7fe00bdd15a0 - rustc_query_system::query::plumbing::get_query_impl::h5d4282338effe1c8 [INFO] [stderr] 34: 0x7fe00bf1eddc - rustc_middle::mir::interpret::queries::::const_eval_global_id::h7a2c2e113be8ba39 [INFO] [stderr] 35: 0x7fe00bf1ea33 - rustc_middle::mir::interpret::queries::::const_eval_resolve::h6cdf28cd60a76579 [INFO] [stderr] 36: 0x7fe00bb1ece4 - rustc_infer::infer::InferCtxt::const_eval_resolve::h7cc88bad08cefd64 [INFO] [stderr] 37: 0x7fe00b96ff3d - ::process_obligation::{{closure}}::hfa6ae96c0acc20de [INFO] [stderr] 38: 0x7fe00b95f6b1 - rustc_data_structures::obligation_forest::ObligationForest::process_obligations::h69bb755191c96a7a [INFO] [stderr] 39: 0x7fe00b8c5c81 - ::select_where_possible::h1e6157ee0a9f0674 [INFO] [stderr] 40: 0x7fe00a2abd50 - rustc_infer::infer::fudge::::fudge_inference_if_ok::h6e50f55af99af38e [INFO] [stderr] 41: 0x7fe00a221b01 - rustc_typeck::check::FnCtxt::expected_inputs_for_expected_output::hb63ad5361136e0b5 [INFO] [stderr] 42: 0x7fe00a1d1593 - rustc_typeck::check::callee::::confirm_builtin_call::hba4be0d0402cd37f [INFO] [stderr] 43: 0x7fe00a1cf7d6 - rustc_typeck::check::callee::::check_call::ha3f70bc5d8928308 [INFO] [stderr] 44: 0x7fe00a1e0a5e - rustc_typeck::check::expr::::check_expr_kind::h83d290983a53bc87 [INFO] [stderr] 45: 0x7fe00a1e0046 - rustc_typeck::check::expr::::check_expr_with_expectation_and_needs::h8c887122fb625bf5 [INFO] [stderr] 46: 0x7fe00a1dfeb5 - rustc_typeck::check::expr::::check_expr_coercable_to_type::hfbdaa81b571a7089 [INFO] [stderr] 47: 0x7fe00a1e1d79 - rustc_typeck::check::expr::::check_expr_kind::h83d290983a53bc87 [INFO] [stderr] 48: 0x7fe00a1e0046 - rustc_typeck::check::expr::::check_expr_with_expectation_and_needs::h8c887122fb625bf5 [INFO] [stderr] 49: 0x7fe00a1dfeb5 - rustc_typeck::check::expr::::check_expr_coercable_to_type::hfbdaa81b571a7089 [INFO] [stderr] 50: 0x7fe00a1e581b - rustc_typeck::check::expr::::check_expr_kind::h83d290983a53bc87 [INFO] [stderr] 51: 0x7fe00a1e0046 - rustc_typeck::check::expr::::check_expr_with_expectation_and_needs::h8c887122fb625bf5 [INFO] [stderr] 52: 0x7fe00a223bc1 - rustc_typeck::check::FnCtxt::check_block_with_expected::h5b1f40040719d853 [INFO] [stderr] 53: 0x7fe00a1e0a7a - rustc_typeck::check::expr::::check_expr_kind::h83d290983a53bc87 [INFO] [stderr] 54: 0x7fe00a1e0046 - rustc_typeck::check::expr::::check_expr_with_expectation_and_needs::h8c887122fb625bf5 [INFO] [stderr] 55: 0x7fe00a1eb09a - rustc_typeck::check::expr::::check_return_expr::h431c91b718af5ea7 [INFO] [stderr] 56: 0x7fe00a20d25a - rustc_typeck::check::check_fn::h8d48a13ac4e0c527 [INFO] [stderr] 57: 0x7fe00a32d606 - rustc_middle::ty::context::GlobalCtxt::enter_local::h6e8d3e8b0f7c0f75 [INFO] [stderr] 58: 0x7fe00a20b5b1 - rustc_typeck::check::typeck_tables_of::hf7dcb8a88249f1e6 [INFO] [stderr] 59: 0x7fe00a3255ae - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::typeck_tables_of>::compute::h7c90174091ae9ae1 [INFO] [stderr] 60: 0x7fe00a3e4077 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::he04b9327302d68ae [INFO] [stderr] 61: 0x7fe00a38596c - rustc_query_system::query::plumbing::get_query_impl::haa5e79ac9df9e942 [INFO] [stderr] 62: 0x7fe00a3a878d - rustc_query_system::query::plumbing::ensure_query_impl::h3c02664b20d6e61e [INFO] [stderr] 63: 0x7fe00a20ae16 - rustc_typeck::check::typeck_item_bodies::h161a10f48b11ac8f [INFO] [stderr] 64: 0x7fe00a40c66e - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::typeck_item_bodies>::compute::h18637e00668ac6d7 [INFO] [stderr] 65: 0x7fe00a3e1df7 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::hbea027c5110ff2ce [INFO] [stderr] 66: 0x7fe00a3a487f - rustc_query_system::query::plumbing::get_query_impl::hf48d98918631fcb4 [INFO] [stderr] 67: 0x7fe00a435b69 - rustc_typeck::check_crate::h64798f9030615ae0 [INFO] [stderr] 68: 0x7fe009a0c8b2 - rustc_interface::passes::analysis::he58aedc7d0b09ec0 [INFO] [stderr] 69: 0x7fe009848e22 - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::analysis>::compute::h33bbd5617bdac899 [INFO] [stderr] 70: 0x7fe0098c4117 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::hb13b44333ba84e56 [INFO] [stderr] 71: 0x7fe0098bbcd0 - rustc_query_system::query::plumbing::get_query_impl::h2b9ed27e876954b5 [INFO] [stderr] 72: 0x7fe009849637 - rustc_middle::ty::context::tls::enter_global::he72c724650567bbd [INFO] [stderr] 73: 0x7fe00981fe04 - rustc_interface::interface::run_compiler_in_existing_thread_pool::h61d7aa90c416ebf0 [INFO] [stderr] 74: 0x7fe00986b28f - rustc_ast::attr::with_globals::hec44c216366ac39b [INFO] [stderr] 75: 0x7fe00987046e - std::sys_common::backtrace::__rust_begin_short_backtrace::hf11c1fc94dda916e [INFO] [stderr] 76: 0x7fe00982394e - core::ops::function::FnOnce::call_once{{vtable.shim}}::heb2d9288c6f6628e [INFO] [stderr] 77: 0x7fe00914510a - as core::ops::function::FnOnce>::call_once::hf311c88f1fadb9b8 [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076 [INFO] [stderr] 78: 0x7fe00914510a - as core::ops::function::FnOnce>::call_once::h8cfb7235b81393ef [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076 [INFO] [stderr] 79: 0x7fe00914510a - std::sys::unix::thread::Thread::new::thread_start::hf745c8cf29a89648 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:87 [INFO] [stderr] 80: 0x7fe009087609 - start_thread [INFO] [stderr] 81: 0x7fe008f9b103 - __clone [INFO] [stderr] 82: 0x0 - [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/blob/master/CONTRIBUTING.md#bug-reports [INFO] [stderr] [INFO] [stderr] note: rustc 1.45.2 (d3fb005a3 2020-07-31) 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] #0 [const_eval_raw] const-evaluating `timing_wheel::hierarchical::WheelLevel::{{constant}}#0` [INFO] [stderr] #1 [const_eval_validated] const-evaluating + checking `timing_wheel::hierarchical::WheelLevel::{{constant}}#0` [INFO] [stderr] #2 [typeck_tables_of] type-checking `timing_wheel::hierarchical::Wheel::, LEVEL, CUTOFF>::new_bounded` [INFO] [stderr] #3 [typeck_item_bodies] type-checking all item bodies [INFO] [stderr] #4 [analysis] running analysis passes on this crate [INFO] [stderr] end of query stack [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `queueue`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "838c598383dd9fcc76c9276bb4fc9d0105165c16699feefc638affb87419a51a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "838c598383dd9fcc76c9276bb4fc9d0105165c16699feefc638affb87419a51a", kill_on_drop: false }` [INFO] [stdout] 838c598383dd9fcc76c9276bb4fc9d0105165c16699feefc638affb87419a51a