[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 try#1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73 for pr-78461 [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-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/three-star-flex-book/bitdefender-rust-error-example on toolchain 1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73" "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-2/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" "+1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-macros v0.2.4 [INFO] [stderr] Downloaded input_buffer v0.2.0 [INFO] [stderr] Downloaded hyper v0.13.2 [INFO] [stderr] Downloaded tungstenite v0.9.2 [INFO] [stderr] Downloaded redis v0.15.1 [INFO] [stderr] Downloaded headers v0.3.1 [INFO] [stderr] Downloaded serde_json v1.0.47 [INFO] [stderr] Downloaded warp v0.2.1 [INFO] [stderr] Downloaded tokio v0.2.11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 08562b6f2b07ed938ed3cc21bc612a16ebddcc94b03c4fb40331c833396c9abd [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" "08562b6f2b07ed938ed3cc21bc612a16ebddcc94b03c4fb40331c833396c9abd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "08562b6f2b07ed938ed3cc21bc612a16ebddcc94b03c4fb40331c833396c9abd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "08562b6f2b07ed938ed3cc21bc612a16ebddcc94b03c4fb40331c833396c9abd", kill_on_drop: false }` [INFO] [stdout] 08562b6f2b07ed938ed3cc21bc612a16ebddcc94b03c4fb40331c833396c9abd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5c886a90b27ba7d1ae471c5d696daf3da2e8a633444269679cc13333c37f4cd5 [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" "5c886a90b27ba7d1ae471c5d696daf3da2e8a633444269679cc13333c37f4cd5", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.8 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.14 [INFO] [stderr] Compiling memchr v2.3.0 [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 bytes v0.5.4 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking smallvec v1.2.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] 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v0.2.0 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking phf v0.7.24 [INFO] [stderr] Compiling mime_guess v2.0.1 [INFO] [stderr] Checking http v0.1.21 [INFO] [stderr] Checking input_buffer v0.2.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking sha-1 v0.8.2 [INFO] [stderr] Checking url v2.1.1 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking headers-core v0.2.0 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Checking headers v0.3.1 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling mime_guess v1.8.7 [INFO] [stderr] Checking tungstenite v0.9.2 [INFO] [stderr] Checking serde_json v1.0.47 [INFO] [stderr] Checking serde_urlencoded v0.6.1 [INFO] [stderr] Checking multipart v0.16.1 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling tokio-macros v0.2.4 [INFO] [stderr] Compiling pin-project-internal v0.4.8 [INFO] [stderr] Checking tokio v0.2.11 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Checking pin-project v0.4.8 [INFO] [stderr] Checking futures-util v0.3.4 [INFO] [stderr] Checking tokio-util v0.2.0 [INFO] [stderr] Checking futures-executor v0.3.4 [INFO] [stderr] Checking h2 v0.2.1 [INFO] [stderr] Checking futures v0.3.4 [INFO] [stderr] Checking redis v0.15.1 [INFO] [stderr] Checking hyper v0.13.2 [INFO] [stderr] Checking warp v0.2.1 [INFO] [stderr] Checking warp-example v0.1.0 (/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: 0x7fd42d0d8da0 - std::backtrace_rs::backtrace::libunwind::trace::h448c56741b6011d3 [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5 [INFO] [stderr] 1: 0x7fd42d0d8da0 - std::backtrace_rs::backtrace::trace_unsynchronized::h881b9d30a8a89a0c [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x7fd42d0d8da0 - std::sys_common::backtrace::_print_fmt::h720a2f61f75b9f58 [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x7fd42d0d8da0 - ::fmt::h8d62bbfda6d5c836 [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x7fd42d148cdc - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/core/src/fmt/mod.rs:1078:17 [INFO] [stderr] 5: 0x7fd42d0caa02 - std::io::Write::write_fmt::h16a9fe7680ac245c [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/std/src/io/mod.rs:1518:15 [INFO] [stderr] 6: 0x7fd42d0ddd55 - std::sys_common::backtrace::_print::h9ba51a6db618de7d [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x7fd42d0ddd55 - std::sys_common::backtrace::print::h5f20e41c85e91716 [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x7fd42d0ddd55 - std::panicking::default_hook::{{closure}}::h8d48653392f3b04c [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x7fd42d0dd9f8 - std::panicking::default_hook::hb3948d1f74b6ff4c [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/std/src/panicking.rs:227:9 [INFO] [stderr] 10: 0x7fd42d9a4cd8 - rustc_driver::report_ice::h1ddbc5609a6e1f37 [INFO] [stderr] 11: 0x7fd41fe5fb76 - as core::ops::function::Fn>::call::h5d8ad941af2011a1 [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/alloc/src/boxed.rs:1326:9 [INFO] [stderr] 12: 0x7fd41fe74d5b - proc_macro::bridge::client::::enter::{{closure}}::{{closure}}::h0e0fd7560f47cc7d [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/proc_macro/src/bridge/client.rs:320:21 [INFO] [stderr] 13: 0x7fd42d0de656 - std::panicking::rust_panic_with_hook::h55d23fef0ad751bc [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/std/src/panicking.rs:597:17 [INFO] [stderr] 14: 0x7fd4309a75cd - std::panicking::begin_panic::{{closure}}::h4b123e1d8e3ae463 [INFO] [stderr] 15: 0x7fd4309a7506 - std::sys_common::backtrace::__rust_end_short_backtrace::ha21fec08f03d728b [INFO] [stderr] 16: 0x7fd4309a759f - std::panicking::begin_panic::hc0c81fab1e0acd00 [INFO] [stderr] 17: 0x7fd4309b6920 - rustc_errors::HandlerInner::bug::h26f9bc1a7147687e [INFO] [stderr] 18: 0x7fd4309b5470 - rustc_errors::Handler::bug::h2149bffe74600666 [INFO] [stderr] 19: 0x7fd4304132b4 - rustc_middle::util::bug::opt_span_bug_fmt::{{closure}}::hb4ddd0d3902006f3 [INFO] [stderr] 20: 0x7fd43040cceb - rustc_middle::ty::context::tls::with_opt::{{closure}}::ha7f81bc36cab3c9f [INFO] [stderr] 21: 0x7fd43040c6a2 - rustc_middle::ty::context::tls::with_opt::hf0c2c2aff96e53ba [INFO] [stderr] 22: 0x7fd4304131d9 - rustc_middle::util::bug::opt_span_bug_fmt::hc7cbb029c2646db9 [INFO] [stderr] 23: 0x7fd43041314e - rustc_middle::util::bug::bug_fmt::hb51c412c48cda8bb [INFO] [stderr] 24: 0x7fd430536216 - rustc_middle::ty::sty::::tuple_fields::hcffd66056c4b0b40 [INFO] [stderr] 25: 0x7fd42fcfb5c8 - rustc_trait_selection::traits::select::SelectionContext::copy_clone_conditions::h95882b20956e73e1 [INFO] [stderr] 26: 0x7fd42fcf6b21 - rustc_trait_selection::traits::select::candidate_assembly::::assemble_candidates::h54990b7b6affc102 [INFO] [stderr] 27: 0x7fd42fcf4f1d - rustc_trait_selection::traits::select::candidate_assembly::::candidate_from_obligation_no_cache::ha99d83e20ddb8b6a [INFO] [stderr] 28: 0x7fd42fd0aa59 - rustc_query_system::dep_graph::graph::DepGraph::with_anon_task::hffe7c4030ffea93a [INFO] [stderr] 29: 0x7fd42fcfceb2 - rustc_trait_selection::traits::select::candidate_assembly::::candidate_from_obligation::hfcfd3c271bd53aa9 [INFO] [stderr] 30: 0x7fd42fcf9ae3 - rustc_trait_selection::traits::select::SelectionContext::evaluate_stack::h4ad24a0bed665604 [INFO] [stderr] 31: 0x7fd42fd08c80 - rustc_query_system::dep_graph::graph::DepGraph::with_anon_task::hba94b248f9424a51 [INFO] [stderr] 32: 0x7fd42fcf90c4 - rustc_trait_selection::traits::select::SelectionContext::evaluate_trait_predicate_recursively::h9133d2ec84e07cb7 [INFO] [stderr] 33: 0x7fd42feb36f6 - rustc_trait_selection::traits::select::SelectionContext::evaluate_predicate_recursively::{{closure}}::hfeffc9d35f96e5e2 [INFO] [stderr] 34: 0x7fd42fd0327e - rustc_trait_selection::traits::select::SelectionContext::evaluate_predicate_recursively::ha94c0345657d01a6 [INFO] [stderr] 35: 0x7fd42fcc8744 - rustc_infer::infer::InferCtxt::probe::hc7ac934f95713179 [INFO] [stderr] 36: 0x7fd42fcf86c0 - rustc_trait_selection::traits::select::SelectionContext::evaluate_root_obligation::ha7df528801dc1d6e [INFO] [stderr] 37: 0x7fd42e076116 - rustc_infer::infer::InferCtxtBuilder::enter_with_canonical::h7af0d1e7f72f5920 [INFO] [stderr] 38: 0x7fd42e0e56ab - rustc_traits::evaluate_obligation::evaluate_obligation::hbba655fd524cb538 [INFO] [stderr] 39: 0x7fd42fcce80d - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::evaluate_obligation>::compute::h74e4853d136e0e79 [INFO] [stderr] 40: 0x7fd42fd106e9 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h59eddc515be1fa17 [INFO] [stderr] 41: 0x7fd42fe7ed00 - rustc_middle::ty::query::plumbing::::start_query::{{closure}}::{{closure}}::{{closure}}::h26e1479b297dbecb [INFO] [stderr] 42: 0x7fd42fe52b57 - rustc_query_system::query::plumbing::get_query_impl::hc1eb4259b8d6f99b [INFO] [stderr] 43: 0x7fd42fcf0b1e - ::evaluate_obligation::hfb4c8f6b80a9a72c [INFO] [stderr] 44: 0x7fd42fcf0bbd - ::evaluate_obligation_no_overflow::haee136c42e20a21a [INFO] [stderr] 45: 0x7fd42feb2871 - rustc_trait_selection::traits::fulfill::FulfillProcessor::process_trait_obligation::hcb0e5e71047a0554 [INFO] [stderr] 46: 0x7fd42feb1312 - rustc_trait_selection::traits::fulfill::FulfillProcessor::progress_changed_obligations::h84d4f4036c390b92 [INFO] [stderr] 47: 0x7fd42feafaf9 - ::select_where_possible::hc09c7cb52f73fa04 [INFO] [stderr] 48: 0x7fd42e3f8d94 - rustc_typeck::check::fn_ctxt::_impl::::select_obligations_where_possible::hbbc6bbd1a8b63832 [INFO] [stderr] 49: 0x7fd42e65cd27 - rustc_infer::infer::InferCtxtBuilder::enter::h33c2ca6d940255f7 [INFO] [stderr] 50: 0x7fd42e71c438 - rustc_typeck::check::typeck::hf5dca34d9f9397ea [INFO] [stderr] 51: 0x7fd43083ed55 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h0072f21e8e447059 [INFO] [stderr] 52: 0x7fd430440104 - rustc_data_structures::stack::ensure_sufficient_stack::hd8fdee1b26a97891 [INFO] [stderr] 53: 0x7fd43023eb10 - rustc_query_system::query::plumbing::get_query_impl::hf7888d9f4b4fbdcb [INFO] [stderr] 54: 0x7fd43051fdc7 - rustc_middle::ty::context::TyCtxt::typeck_opt_const_arg::hc98b98b6c2aad945 [INFO] [stderr] 55: 0x7fd42ebef6a8 - rustc_mir_build::thir::cx::Cx::new::h4d9a82915242024f [INFO] [stderr] 56: 0x7fd42ebb4078 - rustc_infer::infer::InferCtxtBuilder::enter::h33c7a826552e96e8 [INFO] [stderr] 57: 0x7fd42eaf3713 - rustc_mir_build::build::mir_built::hd7790bf83253b0d2 [INFO] [stderr] 58: 0x7fd42f158081 - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::mir_built>::compute::h2148015e1ad65661 [INFO] [stderr] 59: 0x7fd42f000c22 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h2adf6cc49b809e3f [INFO] [stderr] 60: 0x7fd42f0202f7 - rustc_data_structures::stack::ensure_sufficient_stack::h4d72c365faf4b05c [INFO] [stderr] 61: 0x7fd42ee6745b - rustc_query_system::query::plumbing::get_query_impl::he22c088bf0c8fa3d [INFO] [stderr] 62: 0x7fd42f18b60f - rustc_mir::transform::check_unsafety::unsafety_check_result::hde16db30f1dda2cd [INFO] [stderr] 63: 0x7fd42f169775 - core::ops::function::FnOnce::call_once::heb1c8f23fdac986e [INFO] [stderr] 64: 0x7fd42f1591ae - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::unsafety_check_result>::compute::h447b3165463783c9 [INFO] [stderr] 65: 0x7fd42f009f67 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h771545ad11e25583 [INFO] [stderr] 66: 0x7fd42f01d2e1 - rustc_data_structures::stack::ensure_sufficient_stack::h255c369e246ea8b6 [INFO] [stderr] 67: 0x7fd42ee347f9 - rustc_query_system::query::plumbing::get_query_impl::h908c573597d466f7 [INFO] [stderr] 68: 0x7fd42ee74cdd - rustc_query_system::query::plumbing::ensure_query_impl::hda72f219f8c4aa2b [INFO] [stderr] 69: 0x7fd42f19d01b - rustc_mir::transform::mir_const::h6a7cd40d112c5d47 [INFO] [stderr] 70: 0x7fd42f158161 - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::mir_const>::compute::hc714828b54c35498 [INFO] [stderr] 71: 0x7fd42f000c22 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h2adf6cc49b809e3f [INFO] [stderr] 72: 0x7fd42f0202f7 - rustc_data_structures::stack::ensure_sufficient_stack::h4d72c365faf4b05c [INFO] [stderr] 73: 0x7fd42ee6745b - rustc_query_system::query::plumbing::get_query_impl::he22c088bf0c8fa3d [INFO] [stderr] 74: 0x7fd42f19d568 - rustc_mir::transform::mir_promoted::h11c86e17a21f02e3 [INFO] [stderr] 75: 0x7fd42f1ac651 - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::mir_promoted>::compute::h2be1b1a2812453f8 [INFO] [stderr] 76: 0x7fd42f00ab8e - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h791a3464464c2d4a [INFO] [stderr] 77: 0x7fd42f023557 - rustc_data_structures::stack::ensure_sufficient_stack::h7ab2f7b9a177b637 [INFO] [stderr] 78: 0x7fd42ee12b13 - rustc_query_system::query::plumbing::get_query_impl::h4b7116a238bdbdb8 [INFO] [stderr] 79: 0x7fd42f1e5da4 - rustc_mir::borrow_check::mir_borrowck::h6357219ad7113c8d [INFO] [stderr] 80: 0x7fd42f1b5945 - core::ops::function::FnOnce::call_once::h54e1c81aa063f019 [INFO] [stderr] 81: 0x7fd42e6f0f1e - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::mir_borrowck>::compute::hca7dcb61fb1feb52 [INFO] [stderr] 82: 0x7fd42e5ca4b7 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h3b8624e729a2649d [INFO] [stderr] 83: 0x7fd42e53cea1 - rustc_data_structures::stack::ensure_sufficient_stack::h8895399c883eebdc [INFO] [stderr] 84: 0x7fd42e4737c9 - rustc_query_system::query::plumbing::get_query_impl::h8a49494f6bfde567 [INFO] [stderr] 85: 0x7fd42e7227f4 - rustc_typeck::collect::type_of::type_of::hed1911eee21c060f [INFO] [stderr] 86: 0x7fd42e4c204f - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::type_of>::compute::hb30f0c811ecdc862 [INFO] [stderr] 87: 0x7fd42e5d0d94 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h8caf40725832e907 [INFO] [stderr] 88: 0x7fd42e540c11 - rustc_data_structures::stack::ensure_sufficient_stack::hc349f3c0c1864025 [INFO] [stderr] 89: 0x7fd42e44c02f - rustc_query_system::query::plumbing::get_query_impl::h40bbcad9976a2974 [INFO] [stderr] 90: 0x7fd42e4e3fa0 - rustc_typeck::check::check::check_item_type::h312a9630d2e8583f [INFO] [stderr] 91: 0x7fd42e5baf52 - rustc_middle::hir::map::Map::visit_item_likes_in_module::h31031fdbec6686c9 [INFO] [stderr] 92: 0x7fd42e4e7d1d - rustc_typeck::check::check::check_mod_item_types::h8e5411c090465432 [INFO] [stderr] 93: 0x7fd42e5b736e - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::check_mod_item_types>::compute::h40e3ac4cfb7e03bd [INFO] [stderr] 94: 0x7fd42e5cb167 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h433ab8ff9548448b [INFO] [stderr] 95: 0x7fd42e5385b4 - rustc_data_structures::stack::ensure_sufficient_stack::h375beaac5c060c07 [INFO] [stderr] 96: 0x7fd42e470b95 - rustc_query_system::query::plumbing::get_query_impl::h8988d8f0af80ad4b [INFO] [stderr] 97: 0x7fd42e4a3f6e - rustc_query_system::query::plumbing::ensure_query_impl::h0a14174df6193467 [INFO] [stderr] 98: 0x7fd42e5bcbd4 - rustc_session::utils::::time::h35dcfd17dbfe14c2 [INFO] [stderr] 99: 0x7fd42e6204c2 - rustc_typeck::check_crate::he6ac80d39108f9c5 [INFO] [stderr] 100: 0x7fd42dbf5f5e - rustc_interface::passes::analysis::h78326215bfd650a0 [INFO] [stderr] 101: 0x7fd42d9e519b - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::analysis>::compute::hf8d4bc54d08537f3 [INFO] [stderr] 102: 0x7fd42d9c55f7 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h6d03accb53ed1239 [INFO] [stderr] 103: 0x7fd42d9c200f - rustc_middle::ty::query::plumbing::::start_query::{{closure}}::{{closure}}::{{closure}}::h947bb326d17d8606 [INFO] [stderr] 104: 0x7fd42d94e91e - rustc_query_system::query::plumbing::get_query_impl::h448d10ab90370983 [INFO] [stderr] 105: 0x7fd42d9e870f - rustc_interface::passes::QueryContext::enter::hbf7a36e966e91449 [INFO] [stderr] 106: 0x7fd42d9c2fb5 - rustc_interface::queries::::enter::h25b522245624a405 [INFO] [stderr] 107: 0x7fd42d9a9677 - rustc_span::with_source_map::h7455fffe3cd153a4 [INFO] [stderr] 108: 0x7fd42d9be831 - scoped_tls::ScopedKey::set::hf66ed7b91c632933 [INFO] [stderr] 109: 0x7fd42d9c8aa5 - std::sys_common::backtrace::__rust_begin_short_backtrace::h6018fd1291694eb1 [INFO] [stderr] 110: 0x7fd42d930ad8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha87e074c60e800b5 [INFO] [stderr] 111: 0x7fd42d0ed65a - as core::ops::function::FnOnce>::call_once::h9e7afb7a0a438236 [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/alloc/src/boxed.rs:1312:9 [INFO] [stderr] 112: 0x7fd42d0ed65a - as core::ops::function::FnOnce>::call_once::h70c646c4271337a1 [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/alloc/src/boxed.rs:1312:9 [INFO] [stderr] 113: 0x7fd42d0ed65a - std::sys::unix::thread::Thread::new::thread_start::h35d2b8d36f210d02 [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/std/src/sys/unix/thread.rs:89:17 [INFO] [stderr] 114: 0x7fd42d008609 - start_thread [INFO] [stderr] 115: 0x7fd42cf1c103 - 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 (1b5ce9528 2020-10-29) 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] [stderr] thread 'rustc' panicked at 'Box', compiler/rustc_errors/src/lib.rs:945:9 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7ff44d632da0 - std::backtrace_rs::backtrace::libunwind::trace::h448c56741b6011d3 [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5 [INFO] [stderr] 1: 0x7ff44d632da0 - std::backtrace_rs::backtrace::trace_unsynchronized::h881b9d30a8a89a0c [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x7ff44d632da0 - std::sys_common::backtrace::_print_fmt::h720a2f61f75b9f58 [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/std/src/sys_common/backtrace.rs:67:5 [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] 3: 0x7ff44d632da0 - ::fmt::h8d62bbfda6d5c836 [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x7ff44d6a2cdc - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/core/src/fmt/mod.rs:1078:17 [INFO] [stderr] 5: 0x7ff44d624a02 - std::io::Write::write_fmt::h16a9fe7680ac245c [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/std/src/io/mod.rs:1518:15 [INFO] [stderr] 6: 0x7ff44d637d55 - std::sys_common::backtrace::_print::h9ba51a6db618de7d [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x7ff44d637d55 - std::sys_common::backtrace::print::h5f20e41c85e91716 [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x7ff44d637d55 - std::panicking::default_hook::{{closure}}::h8d48653392f3b04c [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x7ff44d6379f8 - std::panicking::default_hook::hb3948d1f74b6ff4c [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/std/src/panicking.rs:227:9 [INFO] [stderr] 10: 0x7ff44defecd8 - rustc_driver::report_ice::h1ddbc5609a6e1f37 [INFO] [stderr] 11: 0x7ff4403beb76 - as core::ops::function::Fn>::call::h5d8ad941af2011a1 [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/alloc/src/boxed.rs:1326:9 [INFO] [stderr] 12: 0x7ff4403d3d5b - proc_macro::bridge::client::::enter::{{closure}}::{{closure}}::h0e0fd7560f47cc7d [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/proc_macro/src/bridge/client.rs:320:21 [INFO] [stderr] 13: 0x7ff44d638656 - std::panicking::rust_panic_with_hook::h55d23fef0ad751bc [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/std/src/panicking.rs:597:17 [INFO] [stderr] 14: 0x7ff450f015cd - std::panicking::begin_panic::{{closure}}::h4b123e1d8e3ae463 [INFO] [stderr] 15: 0x7ff450f01506 - std::sys_common::backtrace::__rust_end_short_backtrace::ha21fec08f03d728b [INFO] [stderr] 16: 0x7ff450f0159f - std::panicking::begin_panic::hc0c81fab1e0acd00 [INFO] [stderr] 17: 0x7ff450f10920 - rustc_errors::HandlerInner::bug::h26f9bc1a7147687e [INFO] [stderr] 18: 0x7ff450f0f470 - rustc_errors::Handler::bug::h2149bffe74600666 [INFO] [stderr] 19: 0x7ff45096d2b4 - rustc_middle::util::bug::opt_span_bug_fmt::{{closure}}::hb4ddd0d3902006f3 [INFO] [stderr] 20: 0x7ff450966ceb - rustc_middle::ty::context::tls::with_opt::{{closure}}::ha7f81bc36cab3c9f [INFO] [stderr] 21: 0x7ff4509666a2 - rustc_middle::ty::context::tls::with_opt::hf0c2c2aff96e53ba [INFO] [stderr] 22: 0x7ff45096d1d9 - rustc_middle::util::bug::opt_span_bug_fmt::hc7cbb029c2646db9 [INFO] [stderr] 23: 0x7ff45096d14e - rustc_middle::util::bug::bug_fmt::hb51c412c48cda8bb [INFO] [stderr] 24: 0x7ff450a90216 - rustc_middle::ty::sty::::tuple_fields::hcffd66056c4b0b40 [INFO] [stderr] 25: 0x7ff4502555c8 - rustc_trait_selection::traits::select::SelectionContext::copy_clone_conditions::h95882b20956e73e1 [INFO] [stderr] 26: 0x7ff450250b21 - rustc_trait_selection::traits::select::candidate_assembly::::assemble_candidates::h54990b7b6affc102 [INFO] [stderr] 27: 0x7ff45024ef1d - rustc_trait_selection::traits::select::candidate_assembly::::candidate_from_obligation_no_cache::ha99d83e20ddb8b6a [INFO] [stderr] 28: 0x7ff450264a59 - rustc_query_system::dep_graph::graph::DepGraph::with_anon_task::hffe7c4030ffea93a [INFO] [stderr] 29: 0x7ff450256eb2 - rustc_trait_selection::traits::select::candidate_assembly::::candidate_from_obligation::hfcfd3c271bd53aa9 [INFO] [stderr] 30: 0x7ff450253ae3 - rustc_trait_selection::traits::select::SelectionContext::evaluate_stack::h4ad24a0bed665604 [INFO] [stderr] 31: 0x7ff450262c80 - rustc_query_system::dep_graph::graph::DepGraph::with_anon_task::hba94b248f9424a51 [INFO] [stderr] 32: 0x7ff4502530c4 - rustc_trait_selection::traits::select::SelectionContext::evaluate_trait_predicate_recursively::h9133d2ec84e07cb7 [INFO] [stderr] 33: 0x7ff45040d6f6 - rustc_trait_selection::traits::select::SelectionContext::evaluate_predicate_recursively::{{closure}}::hfeffc9d35f96e5e2 [INFO] [stderr] 34: 0x7ff45025d27e - rustc_trait_selection::traits::select::SelectionContext::evaluate_predicate_recursively::ha94c0345657d01a6 [INFO] [stderr] 35: 0x7ff450222744 - rustc_infer::infer::InferCtxt::probe::hc7ac934f95713179 [INFO] [stderr] 36: 0x7ff4502526c0 - rustc_trait_selection::traits::select::SelectionContext::evaluate_root_obligation::ha7df528801dc1d6e [INFO] [stderr] 37: 0x7ff44e5d0116 - rustc_infer::infer::InferCtxtBuilder::enter_with_canonical::h7af0d1e7f72f5920 [INFO] [stderr] 38: 0x7ff44e63f6ab - rustc_traits::evaluate_obligation::evaluate_obligation::hbba655fd524cb538 [INFO] [stderr] 39: 0x7ff45022880d - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::evaluate_obligation>::compute::h74e4853d136e0e79 [INFO] [stderr] 40: 0x7ff45026a6e9 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h59eddc515be1fa17 [INFO] [stderr] 41: 0x7ff4503d8d00 - rustc_middle::ty::query::plumbing::::start_query::{{closure}}::{{closure}}::{{closure}}::h26e1479b297dbecb [INFO] [stderr] 42: 0x7ff4503acb57 - rustc_query_system::query::plumbing::get_query_impl::hc1eb4259b8d6f99b [INFO] [stderr] 43: 0x7ff45024ab1e - ::evaluate_obligation::hfb4c8f6b80a9a72c [INFO] [stderr] 44: 0x7ff45024abbd - ::evaluate_obligation_no_overflow::haee136c42e20a21a [INFO] [stderr] 45: 0x7ff45040c871 - rustc_trait_selection::traits::fulfill::FulfillProcessor::process_trait_obligation::hcb0e5e71047a0554 [INFO] [stderr] 46: 0x7ff45040b312 - rustc_trait_selection::traits::fulfill::FulfillProcessor::progress_changed_obligations::h84d4f4036c390b92 [INFO] [stderr] 47: 0x7ff450409af9 - ::select_where_possible::hc09c7cb52f73fa04 [INFO] [stderr] 48: 0x7ff44e952d94 - rustc_typeck::check::fn_ctxt::_impl::::select_obligations_where_possible::hbbc6bbd1a8b63832 [INFO] [stderr] 49: 0x7ff44ebb6d27 - rustc_infer::infer::InferCtxtBuilder::enter::h33c2ca6d940255f7 [INFO] [stderr] 50: 0x7ff44ec76438 - rustc_typeck::check::typeck::hf5dca34d9f9397ea [INFO] [stderr] 51: 0x7ff450d98d55 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h0072f21e8e447059 [INFO] [stderr] 52: 0x7ff45099a104 - rustc_data_structures::stack::ensure_sufficient_stack::hd8fdee1b26a97891 [INFO] [stderr] 53: 0x7ff450798b10 - rustc_query_system::query::plumbing::get_query_impl::hf7888d9f4b4fbdcb [INFO] [stderr] 54: 0x7ff450a79dc7 - rustc_middle::ty::context::TyCtxt::typeck_opt_const_arg::hc98b98b6c2aad945 [INFO] [stderr] 55: 0x7ff44f1496a8 - rustc_mir_build::thir::cx::Cx::new::h4d9a82915242024f [INFO] [stderr] 56: 0x7ff44f10e078 - rustc_infer::infer::InferCtxtBuilder::enter::h33c7a826552e96e8 [INFO] [stderr] 57: 0x7ff44f04d713 - rustc_mir_build::build::mir_built::hd7790bf83253b0d2 [INFO] [stderr] 58: 0x7ff44f6b2081 - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::mir_built>::compute::h2148015e1ad65661 [INFO] [stderr] 59: 0x7ff44f55ac22 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h2adf6cc49b809e3f [INFO] [stderr] 60: 0x7ff44f57a2f7 - rustc_data_structures::stack::ensure_sufficient_stack::h4d72c365faf4b05c [INFO] [stderr] 61: 0x7ff44f3c145b - rustc_query_system::query::plumbing::get_query_impl::he22c088bf0c8fa3d [INFO] [stderr] 62: 0x7ff44f6e560f - rustc_mir::transform::check_unsafety::unsafety_check_result::hde16db30f1dda2cd [INFO] [stderr] 63: 0x7ff44f6c3775 - core::ops::function::FnOnce::call_once::heb1c8f23fdac986e [INFO] [stderr] 64: 0x7ff44f6b31ae - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::unsafety_check_result>::compute::h447b3165463783c9 [INFO] [stderr] 65: 0x7ff44f563f67 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h771545ad11e25583 [INFO] [stderr] 66: 0x7ff44f5772e1 - rustc_data_structures::stack::ensure_sufficient_stack::h255c369e246ea8b6 [INFO] [stderr] 67: 0x7ff44f38e7f9 - rustc_query_system::query::plumbing::get_query_impl::h908c573597d466f7 [INFO] [stderr] 68: 0x7ff44f3cecdd - rustc_query_system::query::plumbing::ensure_query_impl::hda72f219f8c4aa2b [INFO] [stderr] 69: 0x7ff44f6f701b - rustc_mir::transform::mir_const::h6a7cd40d112c5d47 [INFO] [stderr] 70: 0x7ff44f6b2161 - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::mir_const>::compute::hc714828b54c35498 [INFO] [stderr] 71: 0x7ff44f55ac22 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h2adf6cc49b809e3f [INFO] [stderr] 72: 0x7ff44f57a2f7 - rustc_data_structures::stack::ensure_sufficient_stack::h4d72c365faf4b05c [INFO] [stderr] 73: 0x7ff44f3c145b - rustc_query_system::query::plumbing::get_query_impl::he22c088bf0c8fa3d [INFO] [stderr] 74: 0x7ff44f6f7568 - rustc_mir::transform::mir_promoted::h11c86e17a21f02e3 [INFO] [stderr] 75: 0x7ff44f706651 - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::mir_promoted>::compute::h2be1b1a2812453f8 [INFO] [stderr] 76: 0x7ff44f564b8e - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h791a3464464c2d4a [INFO] [stderr] 77: 0x7ff44f57d557 - rustc_data_structures::stack::ensure_sufficient_stack::h7ab2f7b9a177b637 [INFO] [stderr] 78: 0x7ff44f36cb13 - rustc_query_system::query::plumbing::get_query_impl::h4b7116a238bdbdb8 [INFO] [stderr] 79: 0x7ff44f73fda4 - rustc_mir::borrow_check::mir_borrowck::h6357219ad7113c8d [INFO] [stderr] 80: 0x7ff44f70f945 - core::ops::function::FnOnce::call_once::h54e1c81aa063f019 [INFO] [stderr] 81: 0x7ff44ec4af1e - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::mir_borrowck>::compute::hca7dcb61fb1feb52 [INFO] [stderr] 82: 0x7ff44eb244b7 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h3b8624e729a2649d [INFO] [stderr] 83: 0x7ff44ea96ea1 - rustc_data_structures::stack::ensure_sufficient_stack::h8895399c883eebdc [INFO] [stderr] 84: 0x7ff44e9cd7c9 - rustc_query_system::query::plumbing::get_query_impl::h8a49494f6bfde567 [INFO] [stderr] 85: 0x7ff44ec7c7f4 - rustc_typeck::collect::type_of::type_of::hed1911eee21c060f [INFO] [stderr] 86: 0x7ff44ea1c04f - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::type_of>::compute::hb30f0c811ecdc862 [INFO] [stderr] 87: 0x7ff44eb2ad94 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h8caf40725832e907 [INFO] [stderr] 88: 0x7ff44ea9ac11 - rustc_data_structures::stack::ensure_sufficient_stack::hc349f3c0c1864025 [INFO] [stderr] 89: 0x7ff44e9a602f - rustc_query_system::query::plumbing::get_query_impl::h40bbcad9976a2974 [INFO] [stderr] 90: 0x7ff44ea3dfa0 - rustc_typeck::check::check::check_item_type::h312a9630d2e8583f [INFO] [stderr] 91: 0x7ff44eb14f52 - rustc_middle::hir::map::Map::visit_item_likes_in_module::h31031fdbec6686c9 [INFO] [stderr] 92: 0x7ff44ea41d1d - rustc_typeck::check::check::check_mod_item_types::h8e5411c090465432 [INFO] [stderr] 93: 0x7ff44eb1136e - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::check_mod_item_types>::compute::h40e3ac4cfb7e03bd [INFO] [stderr] 94: 0x7ff44eb25167 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h433ab8ff9548448b [INFO] [stderr] 95: 0x7ff44ea925b4 - rustc_data_structures::stack::ensure_sufficient_stack::h375beaac5c060c07 [INFO] [stderr] 96: 0x7ff44e9cab95 - rustc_query_system::query::plumbing::get_query_impl::h8988d8f0af80ad4b [INFO] [stderr] 97: 0x7ff44e9fdf6e - rustc_query_system::query::plumbing::ensure_query_impl::h0a14174df6193467 [INFO] [stderr] 98: 0x7ff44eb16bd4 - rustc_session::utils::::time::h35dcfd17dbfe14c2 [INFO] [stderr] 99: 0x7ff44eb7a4c2 - rustc_typeck::check_crate::he6ac80d39108f9c5 [INFO] [stderr] 100: 0x7ff44e14ff5e - rustc_interface::passes::analysis::h78326215bfd650a0 [INFO] [stderr] 101: 0x7ff44df3f19b - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::analysis>::compute::hf8d4bc54d08537f3 [INFO] [stderr] 102: 0x7ff44df1f5f7 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h6d03accb53ed1239 [INFO] [stderr] 103: 0x7ff44df1c00f - rustc_middle::ty::query::plumbing::::start_query::{{closure}}::{{closure}}::{{closure}}::h947bb326d17d8606 [INFO] [stderr] 104: 0x7ff44dea891e - rustc_query_system::query::plumbing::get_query_impl::h448d10ab90370983 [INFO] [stderr] 105: 0x7ff44df4270f - rustc_interface::passes::QueryContext::enter::hbf7a36e966e91449 [INFO] [stderr] 106: 0x7ff44df1cfb5 - rustc_interface::queries::::enter::h25b522245624a405 [INFO] [stderr] 107: 0x7ff44df03677 - rustc_span::with_source_map::h7455fffe3cd153a4 [INFO] [stderr] 108: 0x7ff44df18831 - scoped_tls::ScopedKey::set::hf66ed7b91c632933 [INFO] [stderr] 109: 0x7ff44df22aa5 - std::sys_common::backtrace::__rust_begin_short_backtrace::h6018fd1291694eb1 [INFO] [stderr] 110: 0x7ff44de8aad8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha87e074c60e800b5 [INFO] [stderr] 111: 0x7ff44d64765a - as core::ops::function::FnOnce>::call_once::h9e7afb7a0a438236 [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/alloc/src/boxed.rs:1312:9 [INFO] [stderr] 112: 0x7ff44d64765a - as core::ops::function::FnOnce>::call_once::h70c646c4271337a1 [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/alloc/src/boxed.rs:1312:9 [INFO] [stderr] 113: 0x7ff44d64765a - std::sys::unix::thread::Thread::new::thread_start::h35d2b8d36f210d02 [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/std/src/sys/unix/thread.rs:89:17 [INFO] [stderr] 114: 0x7ff44d562609 - start_thread [INFO] [stderr] 115: 0x7ff44d476103 - 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 (1b5ce9528 2020-10-29) 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" "5c886a90b27ba7d1ae471c5d696daf3da2e8a633444269679cc13333c37f4cd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c886a90b27ba7d1ae471c5d696daf3da2e8a633444269679cc13333c37f4cd5", kill_on_drop: false }` [INFO] [stdout] 5c886a90b27ba7d1ae471c5d696daf3da2e8a633444269679cc13333c37f4cd5