[INFO] fetching crate actix-mqtt 0.2.3... [INFO] checking actix-mqtt-0.2.3 against try#1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73 for pr-78461 [INFO] extracting crate actix-mqtt 0.2.3 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate actix-mqtt 0.2.3 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 crates.io crate actix-mqtt 0.2.3 [INFO] finished tweaking crates.io crate actix-mqtt 0.2.3 [INFO] tweaked toml for crates.io crate actix-mqtt 0.2.3 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate crates.io crate actix-mqtt 0.2.3 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 actix-ioframe v0.4.1 [INFO] [stderr] Downloaded mqtt-codec v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 9cdc4c753b7b1720ca5ab1fbface4aaca59c7c525bcea15a41d89ebc679f5f07 [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" "9cdc4c753b7b1720ca5ab1fbface4aaca59c7c525bcea15a41d89ebc679f5f07", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9cdc4c753b7b1720ca5ab1fbface4aaca59c7c525bcea15a41d89ebc679f5f07", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9cdc4c753b7b1720ca5ab1fbface4aaca59c7c525bcea15a41d89ebc679f5f07", kill_on_drop: false }` [INFO] [stdout] 9cdc4c753b7b1720ca5ab1fbface4aaca59c7c525bcea15a41d89ebc679f5f07 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 5014a00e83db3a38b9b2b05f2334b09e302feb09e7af944cfa3bffe8e1ee77f6 [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" "5014a00e83db3a38b9b2b05f2334b09e302feb09e7af944cfa3bffe8e1ee77f6", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking futures-core v0.3.4 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking futures-sink v0.3.4 [INFO] [stderr] Checking bytes v0.5.4 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Checking arc-swap v0.4.4 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Checking futures-task v0.3.4 [INFO] [stderr] Checking futures-io v0.3.4 [INFO] [stderr] Checking pin-project-lite v0.1.4 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking copyless v0.1.4 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Compiling failure_derive v0.1.7 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking match_cfg v0.1.0 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking regex-syntax v0.6.16 [INFO] [stderr] Checking linked-hash-map v0.5.2 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Compiling backtrace-sys v0.1.33 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking futures-channel v0.3.4 [INFO] [stderr] Checking lock_api v0.3.3 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Checking parking_lot_core v0.7.0 [INFO] [stderr] Checking socket2 v0.3.11 [INFO] [stderr] Checking hostname v0.3.1 [INFO] [stderr] Checking lru-cache v0.1.2 [INFO] [stderr] Checking http v0.2.0 [INFO] [stderr] Checking bytestring v0.1.4 [INFO] [stderr] Checking threadpool v1.7.1 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking resolv-conf v0.6.3 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking parking_lot v0.10.0 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking backtrace v0.3.45 [INFO] [stderr] Checking url v2.1.1 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tokio v0.2.13 [INFO] [stderr] Checking uuid v0.8.1 [INFO] [stderr] Checking regex v1.3.4 [INFO] [stderr] Checking tokio-util v0.2.0 [INFO] [stderr] Checking actix-codec v0.2.0 [INFO] [stderr] Checking mqtt-codec v0.3.0 [INFO] [stderr] Checking serde_json v1.0.48 [INFO] [stderr] Checking actix-router v0.2.4 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling pin-project-internal v0.4.8 [INFO] [stderr] Compiling derive_more v0.99.3 [INFO] [stderr] Compiling actix-macros v0.1.1 [INFO] [stderr] Compiling async-trait v0.1.24 [INFO] [stderr] Compiling enum-as-inner v0.3.2 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Checking failure v0.1.7 [INFO] [stderr] Checking pin-project v0.4.8 [INFO] [stderr] Checking futures-util v0.3.4 [INFO] [stderr] Checking actix-threadpool v0.3.1 [INFO] [stderr] Checking futures-executor v0.3.4 [INFO] [stderr] Checking actix-service v1.0.5 [INFO] [stderr] Checking futures v0.3.4 [INFO] [stderr] Checking actix-rt v1.0.0 [INFO] [stderr] Checking trust-dns-proto v0.18.0-alpha.2 [INFO] [stderr] Checking actix-utils v1.0.6 [INFO] [stderr] Checking actix-server v1.0.2 [INFO] [stderr] Checking actix-ioframe v0.4.1 [INFO] [stderr] Checking actix-mqtt v0.2.3 (/opt/rustwide/workdir) [INFO] [stderr] Checking actix-testing v1.0.0 [INFO] [stderr] Checking trust-dns-resolver v0.18.0-alpha.2 [INFO] [stderr] Checking actix-connect v1.0.2 [INFO] [stderr] thread 'rustc' panicked at 'Box', compiler/rustc_errors/src/lib.rs:945:9 [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> examples/basic.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 20 | fn main() -> std::io::Result<()> { [INFO] [stdout] | ------------------- expected `std::result::Result<(), std::io::Error>` because of return type [INFO] [stdout] ... [INFO] [stdout] 27 | / actix_server::Server::build() [INFO] [stdout] 28 | | .bind("mqtt", "127.0.0.1:1883", || { [INFO] [stdout] 29 | | MqttServer::new(connect).finish(publish) [INFO] [stdout] 30 | | })? [INFO] [stdout] 31 | | .workers(1) [INFO] [stdout] 32 | | .run() [INFO] [stdout] | |______________^ expected enum `std::result::Result`, found struct `Server` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `std::result::Result<(), std::io::Error>` [INFO] [stdout] found struct `Server` [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: 0x7f46d71e6da0 - 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: 0x7f46d71e6da0 - 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: 0x7f46d71e6da0 - std::sys_common::backtrace::_print_fmt::h720a2f61f75b9f58 [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x7f46d71e6da0 - ::fmt::h8d62bbfda6d5c836 [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x7f46d7256cdc - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/core/src/fmt/mod.rs:1078:17 [INFO] [stderr] 5: 0x7f46d71d8a02 - std::io::Write::write_fmt::h16a9fe7680ac245c [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/std/src/io/mod.rs:1518:15 [INFO] [stderr] 6: 0x7f46d71ebd55 - std::sys_common::backtrace::_print::h9ba51a6db618de7d [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x7f46d71ebd55 - std::sys_common::backtrace::print::h5f20e41c85e91716 [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x7f46d71ebd55 - std::panicking::default_hook::{{closure}}::h8d48653392f3b04c [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x7f46d71eb9f8 - std::panicking::default_hook::hb3948d1f74b6ff4c [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/std/src/panicking.rs:227:9 [INFO] [stderr] 10: 0x7f46d7ab2cd8 - rustc_driver::report_ice::h1ddbc5609a6e1f37 [INFO] [stderr] 11: 0x7f46d71ec656 - std::panicking::rust_panic_with_hook::h55d23fef0ad751bc [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/std/src/panicking.rs:597:17 [INFO] [stderr] 12: 0x7f46daab55cd - std::panicking::begin_panic::{{closure}}::h4b123e1d8e3ae463 [INFO] [stderr] 13: 0x7f46daab5506 - std::sys_common::backtrace::__rust_end_short_backtrace::ha21fec08f03d728b [INFO] [stderr] 14: 0x7f46daab559f - std::panicking::begin_panic::hc0c81fab1e0acd00 [INFO] [stderr] 15: 0x7f46daac4920 - rustc_errors::HandlerInner::bug::h26f9bc1a7147687e [INFO] [stderr] 16: 0x7f46daac3470 - rustc_errors::Handler::bug::h2149bffe74600666 [INFO] [stderr] 17: 0x7f46da5212b4 - rustc_middle::util::bug::opt_span_bug_fmt::{{closure}}::hb4ddd0d3902006f3 [INFO] [stderr] 18: 0x7f46da51aceb - rustc_middle::ty::context::tls::with_opt::{{closure}}::ha7f81bc36cab3c9f [INFO] [stderr] 19: 0x7f46da51a6a2 - rustc_middle::ty::context::tls::with_opt::hf0c2c2aff96e53ba [INFO] [stderr] 20: 0x7f46da5211d9 - rustc_middle::util::bug::opt_span_bug_fmt::hc7cbb029c2646db9 [INFO] [stderr] 21: 0x7f46da52114e - rustc_middle::util::bug::bug_fmt::hb51c412c48cda8bb [INFO] [stderr] 22: 0x7f46da644216 - rustc_middle::ty::sty::::tuple_fields::hcffd66056c4b0b40 [INFO] [stderr] 23: 0x7f46d9e095c8 - rustc_trait_selection::traits::select::SelectionContext::copy_clone_conditions::h95882b20956e73e1 [INFO] [stderr] 24: 0x7f46d9e04b21 - rustc_trait_selection::traits::select::candidate_assembly::::assemble_candidates::h54990b7b6affc102 [INFO] [stderr] 25: 0x7f46d9e02f1d - rustc_trait_selection::traits::select::candidate_assembly::::candidate_from_obligation_no_cache::ha99d83e20ddb8b6a [INFO] [stderr] 26: 0x7f46d9e18a59 - rustc_query_system::dep_graph::graph::DepGraph::with_anon_task::hffe7c4030ffea93a [INFO] [stderr] 27: 0x7f46d9e0aeb2 - rustc_trait_selection::traits::select::candidate_assembly::::candidate_from_obligation::hfcfd3c271bd53aa9 [INFO] [stderr] 28: 0x7f46d9e07ae3 - rustc_trait_selection::traits::select::SelectionContext::evaluate_stack::h4ad24a0bed665604 [INFO] [stderr] 29: 0x7f46d9e16c80 - rustc_query_system::dep_graph::graph::DepGraph::with_anon_task::hba94b248f9424a51 [INFO] [stderr] 30: 0x7f46d9e070c4 - rustc_trait_selection::traits::select::SelectionContext::evaluate_trait_predicate_recursively::h9133d2ec84e07cb7 [INFO] [stderr] 31: 0x7f46d9fc16f6 - rustc_trait_selection::traits::select::SelectionContext::evaluate_predicate_recursively::{{closure}}::hfeffc9d35f96e5e2 [INFO] [stderr] 32: 0x7f46d9e1127e - rustc_trait_selection::traits::select::SelectionContext::evaluate_predicate_recursively::ha94c0345657d01a6 [INFO] [stderr] 33: 0x7f46d9dd6744 - rustc_infer::infer::InferCtxt::probe::hc7ac934f95713179 [INFO] [stderr] 34: 0x7f46d9e066c0 - rustc_trait_selection::traits::select::SelectionContext::evaluate_root_obligation::ha7df528801dc1d6e [INFO] [stderr] 35: 0x7f46d8184116 - rustc_infer::infer::InferCtxtBuilder::enter_with_canonical::h7af0d1e7f72f5920 [INFO] [stderr] 36: 0x7f46d81f36ab - rustc_traits::evaluate_obligation::evaluate_obligation::hbba655fd524cb538 [INFO] [stderr] 37: 0x7f46d9ddc80d - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::evaluate_obligation>::compute::h74e4853d136e0e79 [INFO] [stderr] 38: 0x7f46d9e1e6e9 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h59eddc515be1fa17 [INFO] [stderr] 39: 0x7f46d9f8cd00 - rustc_middle::ty::query::plumbing::::start_query::{{closure}}::{{closure}}::{{closure}}::h26e1479b297dbecb [INFO] [stderr] 40: 0x7f46d9f60b57 - rustc_query_system::query::plumbing::get_query_impl::hc1eb4259b8d6f99b [INFO] [stderr] 41: 0x7f46d9dfeb1e - ::evaluate_obligation::hfb4c8f6b80a9a72c [INFO] [stderr] 42: 0x7f46d9dfebbd - ::evaluate_obligation_no_overflow::haee136c42e20a21a [INFO] [stderr] 43: 0x7f46d9fc0871 - rustc_trait_selection::traits::fulfill::FulfillProcessor::process_trait_obligation::hcb0e5e71047a0554 [INFO] [stderr] 44: 0x7f46d9fbf312 - rustc_trait_selection::traits::fulfill::FulfillProcessor::progress_changed_obligations::h84d4f4036c390b92 [INFO] [stderr] 45: 0x7f46d9fbdaf9 - ::select_where_possible::hc09c7cb52f73fa04 [INFO] [stderr] 46: 0x7f46d8506d94 - rustc_typeck::check::fn_ctxt::_impl::::select_obligations_where_possible::hbbc6bbd1a8b63832 [INFO] [stderr] 47: 0x7f46d876ad27 - rustc_infer::infer::InferCtxtBuilder::enter::h33c2ca6d940255f7 [INFO] [stderr] 48: 0x7f46d882a438 - rustc_typeck::check::typeck::hf5dca34d9f9397ea [INFO] [stderr] 49: 0x7f46d870e145 - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::typeck>::compute::ha973184fc8dc7d94 [INFO] [stderr] 50: 0x7f46d86e2a57 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::hc027a840dd86dc2b [INFO] [stderr] 51: 0x7f46d86515c1 - rustc_data_structures::stack::ensure_sufficient_stack::hf8ac0ee6e6d9e0cc [INFO] [stderr] 52: 0x7f46d85a0859 - rustc_query_system::query::plumbing::get_query_impl::hd518b5d289bc5ebe [INFO] [stderr] 53: 0x7f46d85b2b9d - rustc_query_system::query::plumbing::ensure_query_impl::h8c27cccc682009bd [INFO] [stderr] 54: 0x7f46d882eea6 - rustc_typeck::check::typeck_item_bodies::h7810afe0eebc0ace [INFO] [stderr] 55: 0x7f46d86c52ae - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::typeck_item_bodies>::compute::he1ffffeb527b8ab1 [INFO] [stderr] 56: 0x7f46d86d59e7 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h0a5806e1468823aa [INFO] [stderr] 57: 0x7f46d8644874 - rustc_data_structures::stack::ensure_sufficient_stack::h082de47c7a123405 [INFO] [stderr] 58: 0x7f46d8573ce5 - rustc_query_system::query::plumbing::get_query_impl::h71b962d7012c4a42 [INFO] [stderr] 59: 0x7f46d872e576 - rustc_typeck::check_crate::he6ac80d39108f9c5 [INFO] [stderr] 60: 0x7f46d7d03f5e - rustc_interface::passes::analysis::h78326215bfd650a0 [INFO] [stderr] 61: 0x7f46d7af319b - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::analysis>::compute::hf8d4bc54d08537f3 [INFO] [stderr] 62: 0x7f46d7ad35f7 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h6d03accb53ed1239 [INFO] [stderr] 63: 0x7f46d7ad000f - rustc_middle::ty::query::plumbing::::start_query::{{closure}}::{{closure}}::{{closure}}::h947bb326d17d8606 [INFO] [stderr] 64: 0x7f46d7a5c91e - rustc_query_system::query::plumbing::get_query_impl::h448d10ab90370983 [INFO] [stderr] 65: 0x7f46d7af670f - rustc_interface::passes::QueryContext::enter::hbf7a36e966e91449 [INFO] [stderr] 66: 0x7f46d7ad0fb5 - rustc_interface::queries::::enter::h25b522245624a405 [INFO] [stderr] 67: 0x7f46d7ab7677 - rustc_span::with_source_map::h7455fffe3cd153a4 [INFO] [stderr] 68: 0x7f46d7acc831 - scoped_tls::ScopedKey::set::hf66ed7b91c632933 [INFO] [stderr] 69: 0x7f46d7ad6aa5 - std::sys_common::backtrace::__rust_begin_short_backtrace::h6018fd1291694eb1 [INFO] [stderr] 70: 0x7f46d7a3ead8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha87e074c60e800b5 [INFO] [stderr] 71: 0x7f46d71fb65a - as core::ops::function::FnOnce>::call_once::h9e7afb7a0a438236 [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/alloc/src/boxed.rs:1312:9 [INFO] [stderr] 72: 0x7f46d71fb65a - as core::ops::function::FnOnce>::call_once::h70c646c4271337a1 [INFO] [stderr] at /rustc/1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73/library/alloc/src/boxed.rs:1312:9 [INFO] [stderr] 73: 0x7f46d71fb65a - 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] 74: 0x7f46d7116609 - start_thread [INFO] [stderr] 75: 0x7f46d702a103 - clone [INFO] [stderr] 76: 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@examples/basic.rs:28:41: 30:10]: std::clone::Clone` [INFO] [stderr] #1 [typeck] type-checking `main` [INFO] [stderr] #2 [typeck_item_bodies] type-checking all item bodies [INFO] [stderr] #3 [analysis] running analysis passes on this crate [INFO] [stderr] end of query stack [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `actix-mqtt` [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] error: build failed [INFO] running `Command { std: "docker" "inspect" "5014a00e83db3a38b9b2b05f2334b09e302feb09e7af944cfa3bffe8e1ee77f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5014a00e83db3a38b9b2b05f2334b09e302feb09e7af944cfa3bffe8e1ee77f6", kill_on_drop: false }` [INFO] [stdout] 5014a00e83db3a38b9b2b05f2334b09e302feb09e7af944cfa3bffe8e1ee77f6