[INFO] cloning repository https://github.com/three-star-flex-book/bitdefender-rust-error-example [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/three-star-flex-book/bitdefender-rust-error-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthree-star-flex-book%2Fbitdefender-rust-error-example", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthree-star-flex-book%2Fbitdefender-rust-error-example'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a734b5973eb81a68e1c0e8fbab07b8e98e32efe2 [INFO] checking three-star-flex-book/bitdefender-rust-error-example against master#0dce3f606e05cffab7361c132a399d3550ab0df8 for pr-78376 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthree-star-flex-book%2Fbitdefender-rust-error-example" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/three-star-flex-book/bitdefender-rust-error-example on toolchain 0dce3f606e05cffab7361c132a399d3550ab0df8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/three-star-flex-book/bitdefender-rust-error-example [INFO] finished tweaking git repo https://github.com/three-star-flex-book/bitdefender-rust-error-example [INFO] tweaked toml for git repo https://github.com/three-star-flex-book/bitdefender-rust-error-example written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/three-star-flex-book/bitdefender-rust-error-example already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "metadata" "--no-deps" "--format-version=1", 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] 3ccb80c02d6b2a029c00986d45cc8215aaac4a0558df7ba2e05f2b9df40d87c2 [INFO] running `Command { std: "docker" "start" "-a" "3ccb80c02d6b2a029c00986d45cc8215aaac4a0558df7ba2e05f2b9df40d87c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3ccb80c02d6b2a029c00986d45cc8215aaac4a0558df7ba2e05f2b9df40d87c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ccb80c02d6b2a029c00986d45cc8215aaac4a0558df7ba2e05f2b9df40d87c2", kill_on_drop: false }` [INFO] [stdout] 3ccb80c02d6b2a029c00986d45cc8215aaac4a0558df7ba2e05f2b9df40d87c2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "check" "--frozen" "--all" "--all-targets" "--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] 0b6d75a6d996b77f2a7d209fac5c842dc09dcd2d0363120e7263d064322d3b93 [INFO] running `Command { std: "docker" "start" "-a" "0b6d75a6d996b77f2a7d209fac5c842dc09dcd2d0363120e7263d064322d3b93", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling proc-macro2 v1.0.8 [INFO] [stderr] Compiling syn v1.0.14 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling memchr v2.3.0 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking futures-core v0.3.4 [INFO] [stderr] Checking bytes v0.5.4 [INFO] [stderr] Checking futures-sink v0.3.4 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking 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(/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `future` [INFO] [stdout] --> src/main.rs:3:21 [INFO] [stdout] | [INFO] [stdout] 3 | use futures::{join, future}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `future` [INFO] [stdout] --> src/main.rs:3:21 [INFO] [stdout] | [INFO] [stdout] 3 | use futures::{join, future}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] thread 'rustc' panicked at 'Box', compiler/rustc_errors/src/lib.rs:945:9 [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/main.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | return wait_both; [INFO] [stdout] | ^^^^^^^^^ expected `()`, found tuple [INFO] [stdout] | [INFO] [stdout] = note: expected unit type `()` [INFO] [stdout] found tuple `(std::result::Result, ())` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] stack backtrace: [INFO] [stdout] error: internal compiler error: compiler/rustc_middle/src/ty/sty.rs:2150:18: tuple_fields called on non-tuple [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] 0: 0x7feade071bb0 - std::backtrace_rs::backtrace::libunwind::trace::h448c56741b6011d3 [INFO] [stderr] at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5 [INFO] [stderr] 1: 0x7feade071bb0 - std::backtrace_rs::backtrace::trace_unsynchronized::h881b9d30a8a89a0c [INFO] [stderr] at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x7feade071bb0 - std::sys_common::backtrace::_print_fmt::h720a2f61f75b9f58 [INFO] [stderr] at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x7feade071bb0 - ::fmt::h8d62bbfda6d5c836 [INFO] [stderr] at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x7feade0e1b7c - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/core/src/fmt/mod.rs:1076:17 [INFO] [stderr] 5: 0x7feade063812 - std::io::Write::write_fmt::h16a9fe7680ac245c [INFO] [stderr] at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/io/mod.rs:1516:15 [INFO] [stderr] 6: 0x7feade076b65 - std::sys_common::backtrace::_print::h9ba51a6db618de7d [INFO] [stderr] at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x7feade076b65 - std::sys_common::backtrace::print::h5f20e41c85e91716 [INFO] [stderr] at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x7feade076b65 - std::panicking::default_hook::{{closure}}::h8d48653392f3b04c [INFO] [stderr] at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x7feade076808 - std::panicking::default_hook::hb3948d1f74b6ff4c [INFO] [stderr] at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/panicking.rs:227:9 [INFO] [stderr] 10: 0x7feade93dbb8 - rustc_driver::report_ice::h1ddbc5609a6e1f37 [INFO] [stderr] 11: 0x7fead1860d36 - as core::ops::function::Fn>::call::hbdc981ad30481836 [INFO] [stderr] at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/alloc/src/boxed.rs:1056:9 [INFO] [stderr] 12: 0x7fead18779cb - proc_macro::bridge::client::::enter::{{closure}}::{{closure}}::hd52cd5ac51e7bf57 [INFO] [stderr] at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/proc_macro/src/bridge/client.rs:320:21 [INFO] [stderr] 13: 0x7feade077466 - std::panicking::rust_panic_with_hook::h55d23fef0ad751bc [INFO] [stderr] at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/panicking.rs:597:17 [INFO] [stderr] 14: 0x7feae1953a2d - std::panicking::begin_panic::{{closure}}::h4b123e1d8e3ae463 [INFO] [stderr] 15: 0x7feae1953966 - std::sys_common::backtrace::__rust_end_short_backtrace::ha21fec08f03d728b [INFO] [stderr] 16: 0x7feae19539ff - std::panicking::begin_panic::hc0c81fab1e0acd00 [INFO] [stderr] 17: 0x7feae1965960 - rustc_errors::HandlerInner::bug::h26f9bc1a7147687e [INFO] [stderr] 18: 0x7feae19644b0 - rustc_errors::Handler::bug::h2149bffe74600666 [INFO] [stderr] 19: 0x7feae13c2d14 - rustc_middle::util::bug::opt_span_bug_fmt::{{closure}}::hb4ddd0d3902006f3 [INFO] [stderr] 20: 0x7feae13bc54b - rustc_middle::ty::context::tls::with_opt::{{closure}}::ha7f81bc36cab3c9f [INFO] [stderr] 21: 0x7feae13bbf02 - rustc_middle::ty::context::tls::with_opt::hf0c2c2aff96e53ba [INFO] [stderr] 22: 0x7feae13c2c39 - rustc_middle::util::bug::opt_span_bug_fmt::hc7cbb029c2646db9 [INFO] [stderr] 23: 0x7feae13c2bae - rustc_middle::util::bug::bug_fmt::hb51c412c48cda8bb [INFO] [stderr] 24: 0x7feae14e2c76 - rustc_middle::ty::sty::::tuple_fields::hcffd66056c4b0b40 [INFO] [stderr] 25: 0x7feae0c96bc8 - rustc_trait_selection::traits::select::SelectionContext::copy_clone_conditions::h95882b20956e73e1 [INFO] [stderr] 26: 0x7feae0c92121 - rustc_trait_selection::traits::select::candidate_assembly::::assemble_candidates::h54990b7b6affc102 [INFO] [stderr] 27: 0x7feae0c9051d - rustc_trait_selection::traits::select::candidate_assembly::::candidate_from_obligation_no_cache::ha99d83e20ddb8b6a [INFO] [stderr] 28: 0x7feae0ca6199 - rustc_query_system::dep_graph::graph::DepGraph::with_anon_task::hffe7c4030ffea93a [INFO] [stderr] 29: 0x7feae0c984b2 - rustc_trait_selection::traits::select::candidate_assembly::::candidate_from_obligation::hfcfd3c271bd53aa9 [INFO] [stderr] 30: 0x7feae0c950e3 - rustc_trait_selection::traits::select::SelectionContext::evaluate_stack::h4ad24a0bed665604 [INFO] [stderr] 31: 0x7feae0ca43d0 - rustc_query_system::dep_graph::graph::DepGraph::with_anon_task::hba94b248f9424a51 [INFO] [stderr] 32: 0x7feae0c946c4 - rustc_trait_selection::traits::select::SelectionContext::evaluate_trait_predicate_recursively::h9133d2ec84e07cb7 [INFO] [stderr] 33: 0x7feae0e53bb6 - rustc_trait_selection::traits::select::SelectionContext::evaluate_predicate_recursively::{{closure}}::hfeffc9d35f96e5e2 [INFO] [stderr] 34: 0x7feae0c9e9be - rustc_trait_selection::traits::select::SelectionContext::evaluate_predicate_recursively::ha94c0345657d01a6 [INFO] [stderr] 35: 0x7feae0c63e04 - rustc_infer::infer::InferCtxt::probe::hc7ac934f95713179 [INFO] [stderr] 36: 0x7feae0c93cc0 - rustc_trait_selection::traits::select::SelectionContext::evaluate_root_obligation::ha7df528801dc1d6e [INFO] [stderr] 37: 0x7feadf004d26 - rustc_infer::infer::InferCtxtBuilder::enter_with_canonical::h7af0d1e7f72f5920 [INFO] [stderr] 38: 0x7feadf07253b - rustc_traits::evaluate_obligation::evaluate_obligation::hbba655fd524cb538 [INFO] [stderr] 39: 0x7feae0c69f7d - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::evaluate_obligation>::compute::h74e4853d136e0e79 [INFO] [stderr] 40: 0x7feae0cabe29 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h59eddc515be1fa17 [INFO] [stderr] 41: 0x7feae0e16ee0 - rustc_middle::ty::query::plumbing::::start_query::{{closure}}::{{closure}}::{{closure}}::h26e1479b297dbecb [INFO] [stderr] 42: 0x7feae0decef7 - rustc_query_system::query::plumbing::get_query_impl::hc1eb4259b8d6f99b [INFO] [stderr] 43: 0x7feae0c8c16e - ::evaluate_obligation::hfb4c8f6b80a9a72c [INFO] [stderr] 44: 0x7feae0c8c20d - ::evaluate_obligation_no_overflow::haee136c42e20a21a [INFO] [stderr] 45: 0x7feae0e52d31 - rustc_trait_selection::traits::fulfill::FulfillProcessor::process_trait_obligation::h6e2582ade205c427 [INFO] [stderr] 46: 0x7feae0e517d2 - rustc_trait_selection::traits::fulfill::FulfillProcessor::progress_changed_obligations::h84d4f4036c390b92 [INFO] [stderr] 47: 0x7feae0e502b9 - ::select_where_possible::ha298a8db0ffb7554 [INFO] [stderr] 48: 0x7feadf3842b4 - rustc_typeck::check::fn_ctxt::_impl::::select_obligations_where_possible::hc186df6cb0fd3d29 [INFO] [stderr] 49: 0x7feadf5f5577 - rustc_infer::infer::InferCtxtBuilder::enter::h33c2ca6d940255f7 [INFO] [stderr] 50: 0x7feadf68d0e8 - rustc_typeck::check::typeck::hf5dca34d9f9397ea [INFO] [stderr] 51: 0x7feae17ed2f5 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h0072f21e8e447059 [INFO] [stderr] 52: 0x7feae13ed214 - rustc_data_structures::stack::ensure_sufficient_stack::hd8fdee1b26a97891 [INFO] [stderr] 53: 0x7feae11e7ce0 - rustc_query_system::query::plumbing::get_query_impl::hf7888d9f4b4fbdcb [INFO] [stderr] 54: 0x7feae14cc867 - rustc_middle::ty::context::TyCtxt::typeck_opt_const_arg::hc98b98b6c2aad945 [INFO] [stderr] 55: 0x7feadfb85278 - rustc_mir_build::thir::cx::Cx::new::h4d9a82915242024f [INFO] [stderr] 56: 0x7feadfb1a388 - rustc_infer::infer::InferCtxtBuilder::enter::h823143272867901f [INFO] [stderr] 57: 0x7feadfa89403 - rustc_mir_build::build::mir_built::h5c8fe902d38465cf [INFO] [stderr] 58: 0x7feae00dfa31 - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::mir_built>::compute::h2148015e1ad65661 [INFO] [stderr] 59: 0x7feadff8c682 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h3aef73c0448805b5 [INFO] [stderr] 60: 0x7feadffaa767 - rustc_data_structures::stack::ensure_sufficient_stack::h48c0ef815b10a862 [INFO] [stderr] 61: 0x7feadfdd740b - rustc_query_system::query::plumbing::get_query_impl::hc2f0db5c729e4ac5 [INFO] [stderr] 62: 0x7feae011105f - rustc_mir::transform::check_unsafety::unsafety_check_result::hde16db30f1dda2cd [INFO] [stderr] 63: 0x7feae00ee6d5 - core::ops::function::FnOnce::call_once::heb1c8f23fdac986e [INFO] [stderr] 64: 0x7feae00e0b5e - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::unsafety_check_result>::compute::h447b3165463783c9 [INFO] [stderr] 65: 0x7feadff95897 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h771545ad11e25583 [INFO] [stderr] 66: 0x7feadffa7b21 - rustc_data_structures::stack::ensure_sufficient_stack::h255c369e246ea8b6 [INFO] [stderr] 67: 0x7feadfdbdd99 - rustc_query_system::query::plumbing::get_query_impl::h908c573597d466f7 [INFO] [stderr] 68: 0x7feadfdfcf3d - rustc_query_system::query::plumbing::ensure_query_impl::hda72f219f8c4aa2b [INFO] [stderr] 69: 0x7feae01227cb - rustc_mir::transform::mir_const::h1e24e76478436d5d [INFO] [stderr] 70: 0x7feae00dfb11 - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::mir_const>::compute::hc714828b54c35498 [INFO] [stderr] 71: 0x7feadff8c682 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h3aef73c0448805b5 [INFO] [stderr] 72: 0x7feadffaa767 - rustc_data_structures::stack::ensure_sufficient_stack::h48c0ef815b10a862 [INFO] [stderr] 73: 0x7feadfdd740b - rustc_query_system::query::plumbing::get_query_impl::hc2f0db5c729e4ac5 [INFO] [stderr] 74: 0x7feae0122cee - rustc_mir::transform::mir_promoted::h347a88a41882beb3 [INFO] [stderr] 75: 0x7feae0133781 - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::mir_promoted>::compute::h2be1b1a2812453f8 [INFO] [stderr] 76: 0x7feadff8a74e - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h237e0f5ee06df105 [INFO] [stderr] 77: 0x7feadffb1117 - rustc_data_structures::stack::ensure_sufficient_stack::haf47dad2e9d29dc1 [INFO] [stderr] 78: 0x7feadfdb13a3 - rustc_query_system::query::plumbing::get_query_impl::h74a2fb4d4f81bf78 [INFO] [stderr] 79: 0x7feae016c184 - rustc_mir::borrow_check::mir_borrowck::h6357219ad7113c8d [INFO] [stderr] 80: 0x7feae013af35 - core::ops::function::FnOnce::call_once::h54e1c81aa063f019 [INFO] [stderr] 81: 0x7feadf661cee - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::mir_borrowck>::compute::hca7dcb61fb1feb52 [INFO] [stderr] 82: 0x7feadf55bce7 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h3b8624e729a2649d [INFO] [stderr] 83: 0x7feadf4cf121 - rustc_data_structures::stack::ensure_sufficient_stack::h8895399c883eebdc [INFO] [stderr] 84: 0x7feadf4012d9 - rustc_query_system::query::plumbing::get_query_impl::h8a49494f6bfde567 [INFO] [stderr] 85: 0x7feadf694054 - rustc_typeck::collect::type_of::type_of::hed1911eee21c060f [INFO] [stderr] 86: 0x7feadf46bebf - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::type_of>::compute::hb30f0c811ecdc862 [INFO] [stderr] 87: 0x7feadf5625c4 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h8caf40725832e907 [INFO] [stderr] 88: 0x7feadf4d3071 - rustc_data_structures::stack::ensure_sufficient_stack::hc349f3c0c1864025 [INFO] [stderr] 89: 0x7feadf3d9b3f - rustc_query_system::query::plumbing::get_query_impl::h40bbcad9976a2974 [INFO] [stderr] 90: 0x7feadf48d4af - rustc_typeck::check::check::check_item_type::h312a9630d2e8583f [INFO] [stderr] 91: 0x7feadf54c2b2 - rustc_middle::hir::map::Map::visit_item_likes_in_module::h31031fdbec6686c9 [INFO] [stderr] 92: 0x7feadf4912ad - rustc_typeck::check::check::check_mod_item_types::h8e5411c090465432 [INFO] [stderr] 93: 0x7feadf5486ce - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::check_mod_item_types>::compute::h40e3ac4cfb7e03bd [INFO] [stderr] 94: 0x7feadf55c997 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h433ab8ff9548448b [INFO] [stderr] 95: 0x7feadf4ca714 - rustc_data_structures::stack::ensure_sufficient_stack::h375beaac5c060c07 [INFO] [stderr] 96: 0x7feadf3fe6a5 - rustc_query_system::query::plumbing::get_query_impl::h8988d8f0af80ad4b [INFO] [stderr] 97: 0x7feadf431a0e - rustc_query_system::query::plumbing::ensure_query_impl::h0a14174df6193467 [INFO] [stderr] 98: 0x7feadf54e154 - rustc_session::utils::::time::h35dcfd17dbfe14c2 [INFO] [stderr] 99: 0x7feadf5b1bef - rustc_typeck::check_crate::he6ac80d39108f9c5 [INFO] [stderr] 100: 0x7feadeb8ed9e - rustc_interface::passes::analysis::h78326215bfd650a0 [INFO] [stderr] 101: 0x7feade97ba7b - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::analysis>::compute::hf8d4bc54d08537f3 [INFO] [stderr] 102: 0x7feade95c707 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h6d03accb53ed1239 [INFO] [stderr] 103: 0x7feade95921f - rustc_middle::ty::query::plumbing::::start_query::{{closure}}::{{closure}}::{{closure}}::h947bb326d17d8606 [INFO] [stderr] 104: 0x7feade8e6010 - rustc_query_system::query::plumbing::get_query_impl::h448d10ab90370983 [INFO] [stderr] 105: 0x7feade97e9df - rustc_interface::passes::QueryContext::enter::hbf7a36e966e91449 [INFO] [stderr] 106: 0x7feade95a6ae - rustc_interface::queries::::enter::h25b522245624a405 [INFO] [stderr] 107: 0x7feade91ddbf - rustc_span::with_source_map::h7455fffe3cd153a4 [INFO] [stderr] 108: 0x7feade955b91 - scoped_tls::ScopedKey::set::h8ae8151712a551fd [INFO] [stderr] 109: 0x7feade95ff55 - std::sys_common::backtrace::__rust_begin_short_backtrace::h26de371bc27662fc [INFO] [stderr] 110: 0x7feade8deeee - core::ops::function::FnOnce::call_once{{vtable.shim}}::hd5b48297ec15d5af [INFO] [stderr] 111: 0x7feade08646a - as core::ops::function::FnOnce>::call_once::h1ca3bb61791b1789 [INFO] [stderr] at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/alloc/src/boxed.rs:1042:9 [INFO] [stderr] 112: 0x7feade08646a - as core::ops::function::FnOnce>::call_once::hd0f9fedfd5cf45f8 [INFO] [stderr] at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/alloc/src/boxed.rs:1042:9 [INFO] [stderr] 113: 0x7feade08646a - std::sys::unix::thread::Thread::new::thread_start::h35d2b8d36f210d02 [INFO] [stderr] at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/sys/unix/thread.rs:89:17 [INFO] [stderr] 114: 0x7feaddfa1609 - start_thread [INFO] [stderr] 115: 0x7feaddeb5103 - clone [INFO] [stderr] 116: 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/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md [INFO] [stderr] [INFO] [stderr] note: rustc 1.49.0-nightly (0dce3f606 2020-10-25) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: -C embed-bitcode=no -C debuginfo=2 --crate-type bin [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 [evaluate_obligation] evaluating trait selection obligation `[closure@src/main.rs:8:14: 8:47]: std::clone::Clone` [INFO] [stderr] #1 [typeck] type-checking `start` [INFO] [stderr] #2 [mir_built] building MIR for `start` [INFO] [stderr] #3 [unsafety_check_result] unsafety-checking `start` [INFO] [stderr] #4 [mir_const] processing MIR for `start` [INFO] [stderr] #5 [mir_promoted] processing `start` [INFO] [stderr] #6 [mir_borrowck] borrow-checking `start` [INFO] [stderr] #7 [type_of] computing type of `start::{opaque#0}` [INFO] [stderr] #8 [check_mod_item_types] checking item types in top-level module [INFO] [stderr] #9 [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 E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `warp-example` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/main.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | return wait_both; [INFO] [stdout] | ^^^^^^^^^ expected `()`, found tuple [INFO] [stdout] | [INFO] [stdout] = note: expected unit type `()` [INFO] [stdout] found tuple `(std::result::Result, ())` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: internal compiler error: compiler/rustc_middle/src/ty/sty.rs:2150:18: tuple_fields called on non-tuple [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] thread 'rustc' panicked at 'Box', compiler/rustc_errors/src/lib.rs:945:9 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7f6603ce4bb0 - std::backtrace_rs::backtrace::libunwind::trace::h448c56741b6011d3 [INFO] [stderr] at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5 [INFO] [stderr] 1: 0x7f6603ce4bb0 - std::backtrace_rs::backtrace::trace_unsynchronized::h881b9d30a8a89a0c [INFO] [stderr] at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x7f6603ce4bb0 - std::sys_common::backtrace::_print_fmt::h720a2f61f75b9f58 [INFO] [stderr] at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x7f6603ce4bb0 - ::fmt::h8d62bbfda6d5c836 [INFO] [stderr] at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x7f6603d54b7c - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/core/src/fmt/mod.rs:1076:17 [INFO] [stderr] 5: 0x7f6603cd6812 - std::io::Write::write_fmt::h16a9fe7680ac245c [INFO] [stderr] at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/io/mod.rs:1516:15 [INFO] [stderr] 6: 0x7f6603ce9b65 - std::sys_common::backtrace::_print::h9ba51a6db618de7d [INFO] [stderr] at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x7f6603ce9b65 - std::sys_common::backtrace::print::h5f20e41c85e91716 [INFO] [stderr] at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x7f6603ce9b65 - std::panicking::default_hook::{{closure}}::h8d48653392f3b04c [INFO] [stderr] at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x7f6603ce9808 - std::panicking::default_hook::hb3948d1f74b6ff4c [INFO] [stderr] at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/panicking.rs:227:9 [INFO] [stderr] 10: 0x7f66045b0bb8 - rustc_driver::report_ice::h1ddbc5609a6e1f37 [INFO] [stderr] 11: 0x7f65f752fd36 - as core::ops::function::Fn>::call::hbdc981ad30481836 [INFO] [stderr] at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/alloc/src/boxed.rs:1056:9 [INFO] [stderr] 12: 0x7f65f75469cb - proc_macro::bridge::client::::enter::{{closure}}::{{closure}}::hd52cd5ac51e7bf57 [INFO] [stderr] at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/proc_macro/src/bridge/client.rs:320:21 [INFO] [stderr] 13: 0x7f6603cea466 - std::panicking::rust_panic_with_hook::h55d23fef0ad751bc [INFO] [stderr] at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/panicking.rs:597:17 [INFO] [stderr] 14: 0x7f66075c6a2d - std::panicking::begin_panic::{{closure}}::h4b123e1d8e3ae463 [INFO] [stderr] 15: 0x7f66075c6966 - std::sys_common::backtrace::__rust_end_short_backtrace::ha21fec08f03d728b [INFO] [stderr] 16: 0x7f66075c69ff - std::panicking::begin_panic::hc0c81fab1e0acd00 [INFO] [stderr] 17: 0x7f66075d8960 - rustc_errors::HandlerInner::bug::h26f9bc1a7147687e [INFO] [stderr] 18: 0x7f66075d74b0 - rustc_errors::Handler::bug::h2149bffe74600666 [INFO] [stderr] 19: 0x7f6607035d14 - rustc_middle::util::bug::opt_span_bug_fmt::{{closure}}::hb4ddd0d3902006f3 [INFO] [stderr] 20: 0x7f660702f54b - rustc_middle::ty::context::tls::with_opt::{{closure}}::ha7f81bc36cab3c9f [INFO] [stderr] 21: 0x7f660702ef02 - rustc_middle::ty::context::tls::with_opt::hf0c2c2aff96e53ba [INFO] [stderr] 22: 0x7f6607035c39 - rustc_middle::util::bug::opt_span_bug_fmt::hc7cbb029c2646db9 [INFO] [stderr] 23: 0x7f6607035bae - rustc_middle::util::bug::bug_fmt::hb51c412c48cda8bb [INFO] [stderr] 24: 0x7f6607155c76 - rustc_middle::ty::sty::::tuple_fields::hcffd66056c4b0b40 [INFO] [stderr] 25: 0x7f6606909bc8 - rustc_trait_selection::traits::select::SelectionContext::copy_clone_conditions::h95882b20956e73e1 [INFO] [stderr] 26: 0x7f6606905121 - rustc_trait_selection::traits::select::candidate_assembly::::assemble_candidates::h54990b7b6affc102 [INFO] [stderr] 27: 0x7f660690351d - rustc_trait_selection::traits::select::candidate_assembly::::candidate_from_obligation_no_cache::ha99d83e20ddb8b6a [INFO] [stderr] 28: 0x7f6606919199 - rustc_query_system::dep_graph::graph::DepGraph::with_anon_task::hffe7c4030ffea93a [INFO] [stderr] 29: 0x7f660690b4b2 - rustc_trait_selection::traits::select::candidate_assembly::::candidate_from_obligation::hfcfd3c271bd53aa9 [INFO] [stderr] 30: 0x7f66069080e3 - rustc_trait_selection::traits::select::SelectionContext::evaluate_stack::h4ad24a0bed665604 [INFO] [stderr] 31: 0x7f66069173d0 - rustc_query_system::dep_graph::graph::DepGraph::with_anon_task::hba94b248f9424a51 [INFO] [stderr] 32: 0x7f66069076c4 - rustc_trait_selection::traits::select::SelectionContext::evaluate_trait_predicate_recursively::h9133d2ec84e07cb7 [INFO] [stderr] 33: 0x7f6606ac6bb6 - rustc_trait_selection::traits::select::SelectionContext::evaluate_predicate_recursively::{{closure}}::hfeffc9d35f96e5e2 [INFO] [stderr] 34: 0x7f66069119be - rustc_trait_selection::traits::select::SelectionContext::evaluate_predicate_recursively::ha94c0345657d01a6 [INFO] [stderr] 35: 0x7f66068d6e04 - rustc_infer::infer::InferCtxt::probe::hc7ac934f95713179 [INFO] [stderr] 36: 0x7f6606906cc0 - rustc_trait_selection::traits::select::SelectionContext::evaluate_root_obligation::ha7df528801dc1d6e [INFO] [stderr] 37: 0x7f6604c77d26 - rustc_infer::infer::InferCtxtBuilder::enter_with_canonical::h7af0d1e7f72f5920 [INFO] [stderr] 38: 0x7f6604ce553b - rustc_traits::evaluate_obligation::evaluate_obligation::hbba655fd524cb538 [INFO] [stderr] 39: 0x7f66068dcf7d - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::evaluate_obligation>::compute::h74e4853d136e0e79 [INFO] [stderr] 40: 0x7f660691ee29 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h59eddc515be1fa17 [INFO] [stderr] 41: 0x7f6606a89ee0 - rustc_middle::ty::query::plumbing::::start_query::{{closure}}::{{closure}}::{{closure}}::h26e1479b297dbecb [INFO] [stderr] 42: 0x7f6606a5fef7 - rustc_query_system::query::plumbing::get_query_impl::hc1eb4259b8d6f99b [INFO] [stderr] 43: 0x7f66068ff16e - ::evaluate_obligation::hfb4c8f6b80a9a72c [INFO] [stderr] 44: 0x7f66068ff20d - ::evaluate_obligation_no_overflow::haee136c42e20a21a [INFO] [stderr] 45: 0x7f6606ac5d31 - rustc_trait_selection::traits::fulfill::FulfillProcessor::process_trait_obligation::h6e2582ade205c427 [INFO] [stderr] 46: 0x7f6606ac47d2 - rustc_trait_selection::traits::fulfill::FulfillProcessor::progress_changed_obligations::h84d4f4036c390b92 [INFO] [stderr] 47: 0x7f6606ac32b9 - ::select_where_possible::ha298a8db0ffb7554 [INFO] [stderr] 48: 0x7f6604ff72b4 - rustc_typeck::check::fn_ctxt::_impl::::select_obligations_where_possible::hc186df6cb0fd3d29 [INFO] [stderr] 49: 0x7f6605268577 - rustc_infer::infer::InferCtxtBuilder::enter::h33c2ca6d940255f7 [INFO] [stderr] 50: 0x7f66053000e8 - rustc_typeck::check::typeck::hf5dca34d9f9397ea [INFO] [stderr] 51: 0x7f66074602f5 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h0072f21e8e447059 [INFO] [stderr] 52: 0x7f6607060214 - rustc_data_structures::stack::ensure_sufficient_stack::hd8fdee1b26a97891 [INFO] [stderr] 53: 0x7f6606e5ace0 - rustc_query_system::query::plumbing::get_query_impl::hf7888d9f4b4fbdcb [INFO] [stderr] 54: 0x7f660713f867 - rustc_middle::ty::context::TyCtxt::typeck_opt_const_arg::hc98b98b6c2aad945 [INFO] [stderr] 55: 0x7f66057f8278 - rustc_mir_build::thir::cx::Cx::new::h4d9a82915242024f [INFO] [stderr] 56: 0x7f660578d388 - rustc_infer::infer::InferCtxtBuilder::enter::h823143272867901f [INFO] [stderr] 57: 0x7f66056fc403 - rustc_mir_build::build::mir_built::h5c8fe902d38465cf [INFO] [stderr] 58: 0x7f6605d52a31 - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::mir_built>::compute::h2148015e1ad65661 [INFO] [stderr] 59: 0x7f6605bff682 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h3aef73c0448805b5 [INFO] [stderr] 60: 0x7f6605c1d767 - rustc_data_structures::stack::ensure_sufficient_stack::h48c0ef815b10a862 [INFO] [stderr] 61: 0x7f6605a4a40b - rustc_query_system::query::plumbing::get_query_impl::hc2f0db5c729e4ac5 [INFO] [stderr] 62: 0x7f6605d8405f - rustc_mir::transform::check_unsafety::unsafety_check_result::hde16db30f1dda2cd [INFO] [stderr] 63: 0x7f6605d616d5 - core::ops::function::FnOnce::call_once::heb1c8f23fdac986e [INFO] [stderr] 64: 0x7f6605d53b5e - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::unsafety_check_result>::compute::h447b3165463783c9 [INFO] [stderr] 65: 0x7f6605c08897 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h771545ad11e25583 [INFO] [stderr] 66: 0x7f6605c1ab21 - rustc_data_structures::stack::ensure_sufficient_stack::h255c369e246ea8b6 [INFO] [stderr] 67: 0x7f6605a30d99 - rustc_query_system::query::plumbing::get_query_impl::h908c573597d466f7 [INFO] [stderr] 68: 0x7f6605a6ff3d - rustc_query_system::query::plumbing::ensure_query_impl::hda72f219f8c4aa2b [INFO] [stderr] 69: 0x7f6605d957cb - rustc_mir::transform::mir_const::h1e24e76478436d5d [INFO] [stderr] 70: 0x7f6605d52b11 - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::mir_const>::compute::hc714828b54c35498 [INFO] [stderr] 71: 0x7f6605bff682 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h3aef73c0448805b5 [INFO] [stderr] 72: 0x7f6605c1d767 - rustc_data_structures::stack::ensure_sufficient_stack::h48c0ef815b10a862 [INFO] [stderr] 73: 0x7f6605a4a40b - rustc_query_system::query::plumbing::get_query_impl::hc2f0db5c729e4ac5 [INFO] [stderr] 74: 0x7f6605d95cee - rustc_mir::transform::mir_promoted::h347a88a41882beb3 [INFO] [stderr] 75: 0x7f6605da6781 - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::mir_promoted>::compute::h2be1b1a2812453f8 [INFO] [stderr] 76: 0x7f6605bfd74e - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h237e0f5ee06df105 [INFO] [stderr] 77: 0x7f6605c24117 - rustc_data_structures::stack::ensure_sufficient_stack::haf47dad2e9d29dc1 [INFO] [stderr] 78: 0x7f6605a243a3 - rustc_query_system::query::plumbing::get_query_impl::h74a2fb4d4f81bf78 [INFO] [stderr] 79: 0x7f6605ddf184 - rustc_mir::borrow_check::mir_borrowck::h6357219ad7113c8d [INFO] [stderr] 80: 0x7f6605dadf35 - core::ops::function::FnOnce::call_once::h54e1c81aa063f019 [INFO] [stderr] 81: 0x7f66052d4cee - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::mir_borrowck>::compute::hca7dcb61fb1feb52 [INFO] [stderr] 82: 0x7f66051cece7 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h3b8624e729a2649d [INFO] [stderr] 83: 0x7f6605142121 - rustc_data_structures::stack::ensure_sufficient_stack::h8895399c883eebdc [INFO] [stderr] 84: 0x7f66050742d9 - rustc_query_system::query::plumbing::get_query_impl::h8a49494f6bfde567 [INFO] [stderr] 85: 0x7f6605307054 - rustc_typeck::collect::type_of::type_of::hed1911eee21c060f [INFO] [stderr] 86: 0x7f66050deebf - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::type_of>::compute::hb30f0c811ecdc862 [INFO] [stderr] 87: 0x7f66051d55c4 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h8caf40725832e907 [INFO] [stderr] 88: 0x7f6605146071 - rustc_data_structures::stack::ensure_sufficient_stack::hc349f3c0c1864025 [INFO] [stderr] 89: 0x7f660504cb3f - rustc_query_system::query::plumbing::get_query_impl::h40bbcad9976a2974 [INFO] [stderr] 90: 0x7f66051004af - rustc_typeck::check::check::check_item_type::h312a9630d2e8583f [INFO] [stderr] 91: 0x7f66051bf2b2 - rustc_middle::hir::map::Map::visit_item_likes_in_module::h31031fdbec6686c9 [INFO] [stderr] 92: 0x7f66051042ad - rustc_typeck::check::check::check_mod_item_types::h8e5411c090465432 [INFO] [stderr] 93: 0x7f66051bb6ce - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::check_mod_item_types>::compute::h40e3ac4cfb7e03bd [INFO] [stderr] 94: 0x7f66051cf997 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h433ab8ff9548448b [INFO] [stderr] 95: 0x7f660513d714 - rustc_data_structures::stack::ensure_sufficient_stack::h375beaac5c060c07 [INFO] [stderr] 96: 0x7f66050716a5 - rustc_query_system::query::plumbing::get_query_impl::h8988d8f0af80ad4b [INFO] [stderr] 97: 0x7f66050a4a0e - rustc_query_system::query::plumbing::ensure_query_impl::h0a14174df6193467 [INFO] [stderr] 98: 0x7f66051c1154 - rustc_session::utils::::time::h35dcfd17dbfe14c2 [INFO] [stderr] 99: 0x7f6605224bef - rustc_typeck::check_crate::he6ac80d39108f9c5 [INFO] [stderr] 100: 0x7f6604801d9e - rustc_interface::passes::analysis::h78326215bfd650a0 [INFO] [stderr] 101: 0x7f66045eea7b - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::analysis>::compute::hf8d4bc54d08537f3 [INFO] [stderr] 102: 0x7f66045cf707 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h6d03accb53ed1239 [INFO] [stderr] 103: 0x7f66045cc21f - rustc_middle::ty::query::plumbing::::start_query::{{closure}}::{{closure}}::{{closure}}::h947bb326d17d8606 [INFO] [stderr] 104: 0x7f6604559010 - rustc_query_system::query::plumbing::get_query_impl::h448d10ab90370983 [INFO] [stderr] 105: 0x7f66045f19df - rustc_interface::passes::QueryContext::enter::hbf7a36e966e91449 [INFO] [stderr] 106: 0x7f66045cd6ae - rustc_interface::queries::::enter::h25b522245624a405 [INFO] [stderr] 107: 0x7f6604590dbf - rustc_span::with_source_map::h7455fffe3cd153a4 [INFO] [stderr] 108: 0x7f66045c8b91 - scoped_tls::ScopedKey::set::h8ae8151712a551fd [INFO] [stderr] 109: 0x7f66045d2f55 - std::sys_common::backtrace::__rust_begin_short_backtrace::h26de371bc27662fc [INFO] [stderr] 110: 0x7f6604551eee - core::ops::function::FnOnce::call_once{{vtable.shim}}::hd5b48297ec15d5af [INFO] [stderr] 111: 0x7f6603cf946a - as core::ops::function::FnOnce>::call_once::h1ca3bb61791b1789 [INFO] [stderr] at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/alloc/src/boxed.rs:1042:9 [INFO] [stderr] 112: 0x7f6603cf946a - as core::ops::function::FnOnce>::call_once::hd0f9fedfd5cf45f8 [INFO] [stderr] at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/alloc/src/boxed.rs:1042:9 [INFO] [stderr] 113: 0x7f6603cf946a - std::sys::unix::thread::Thread::new::thread_start::h35d2b8d36f210d02 [INFO] [stderr] at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/sys/unix/thread.rs:89:17 [INFO] [stderr] 114: 0x7f6603c14609 - start_thread [INFO] [stderr] 115: 0x7f6603b28103 - clone [INFO] [stderr] 116: 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/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md [INFO] [stderr] [INFO] [stderr] note: rustc 1.49.0-nightly (0dce3f606 2020-10-25) 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 [evaluate_obligation] evaluating trait selection obligation `[closure@src/main.rs:8:14: 8:47]: std::clone::Clone` [INFO] [stderr] #1 [typeck] type-checking `start` [INFO] [stderr] #2 [mir_built] building MIR for `start` [INFO] [stderr] #3 [unsafety_check_result] unsafety-checking `start` [INFO] [stderr] #4 [mir_const] processing MIR for `start` [INFO] [stderr] #5 [mir_promoted] processing `start` [INFO] [stderr] #6 [mir_borrowck] borrow-checking `start` [INFO] [stderr] #7 [type_of] computing type of `start::{opaque#0}` [INFO] [stderr] #8 [check_mod_item_types] checking item types in top-level module [INFO] [stderr] #9 [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 E0308`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "0b6d75a6d996b77f2a7d209fac5c842dc09dcd2d0363120e7263d064322d3b93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b6d75a6d996b77f2a7d209fac5c842dc09dcd2d0363120e7263d064322d3b93", kill_on_drop: false }` [INFO] [stdout] 0b6d75a6d996b77f2a7d209fac5c842dc09dcd2d0363120e7263d064322d3b93