[INFO] fetching crate actix-web-httpauth 0.5.0... [INFO] checking actix-web-httpauth-0.5.0 against master#ffa2e7ae8fbf9badc035740db949b9dae271c29f for pr-78338 [INFO] extracting crate actix-web-httpauth 0.5.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate actix-web-httpauth 0.5.0 on toolchain ffa2e7ae8fbf9badc035740db949b9dae271c29f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate actix-web-httpauth 0.5.0 [INFO] finished tweaking crates.io crate actix-web-httpauth 0.5.0 [INFO] tweaked toml for crates.io crate actix-web-httpauth 0.5.0 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate crates.io crate actix-web-httpauth 0.5.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ba31b4741ce6fbd20c159c3df763a065cce5ec48255bfe32d61d47154df2912d [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" "ba31b4741ce6fbd20c159c3df763a065cce5ec48255bfe32d61d47154df2912d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ba31b4741ce6fbd20c159c3df763a065cce5ec48255bfe32d61d47154df2912d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba31b4741ce6fbd20c159c3df763a065cce5ec48255bfe32d61d47154df2912d", kill_on_drop: false }` [INFO] [stdout] ba31b4741ce6fbd20c159c3df763a065cce5ec48255bfe32d61d47154df2912d [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" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "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] 6a2faaf013dfd67c3a100d46791db4aee505834fdb8c4ed15d5258944d7fc77a [INFO] running `Command { std: "docker" "start" "-a" "6a2faaf013dfd67c3a100d46791db4aee505834fdb8c4ed15d5258944d7fc77a", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling proc-macro-hack v0.5.18 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Checking arc-swap v0.4.7 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Checking once_cell v1.4.1 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking smallvec v1.4.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking tinyvec v0.3.4 [INFO] [stderr] Checking copyless v0.1.5 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Checking gimli v0.22.0 [INFO] [stderr] Checking ppv-lite86 v0.2.9 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Checking match_cfg v0.1.0 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking linked-hash-map v0.5.3 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Compiling encoding_rs v0.8.24 [INFO] [stderr] Checking dtoa v0.4.6 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Checking base64 v0.12.3 [INFO] [stderr] Checking tracing-core v0.1.16 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking lock_api v0.4.1 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking futures-task v0.3.5 [INFO] [stderr] Checking miniz_oxide v0.4.1 [INFO] [stderr] Checking unicode-normalization v0.1.13 [INFO] [stderr] Checking lru-cache v0.1.2 [INFO] [stderr] Checking http v0.2.1 [INFO] [stderr] Checking bytestring v0.1.5 [INFO] [stderr] Compiling standback v0.2.10 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling time v0.2.18 [INFO] [stderr] Compiling cookie v0.14.2 [INFO] [stderr] Compiling proc-macro2 v1.0.21 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling indexmap v1.6.0 [INFO] [stderr] Checking net2 v0.2.35 [INFO] [stderr] Checking signal-hook-registry v1.2.1 [INFO] [stderr] Checking parking_lot_core v0.8.0 [INFO] [stderr] Checking hostname v0.3.1 [INFO] [stderr] Checking socket2 v0.3.15 [INFO] [stderr] Checking tracing v0.1.19 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Checking resolv-conf v0.6.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking parking_lot v0.11.0 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling syn v1.0.40 [INFO] [stderr] Checking url v2.1.1 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking tokio v0.2.22 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking addr2line v0.13.0 [INFO] [stderr] Checking sha-1 v0.9.1 [INFO] [stderr] Checking backtrace v0.3.50 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking tokio-util v0.2.0 [INFO] [stderr] Checking actix-codec v0.2.0 [INFO] [stderr] Compiling pin-project-internal v0.4.23 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Compiling derive_more v0.99.10 [INFO] [stderr] Compiling actix-macros v0.1.2 [INFO] [stderr] Compiling serde_derive v1.0.116 [INFO] [stderr] Compiling thiserror-impl v1.0.20 [INFO] [stderr] Compiling enum-as-inner v0.3.3 [INFO] [stderr] Compiling async-trait v0.1.40 [INFO] [stderr] Compiling time-macros-impl v0.1.1 [INFO] [stderr] Compiling actix-web-codegen v0.3.0 [INFO] [stderr] Checking time-macros v0.1.0 [INFO] [stderr] Checking thiserror v1.0.20 [INFO] [stderr] Checking pin-project v0.4.23 [INFO] [stderr] Checking futures-util v0.3.5 [INFO] [stderr] Checking actix-codec v0.3.0 [INFO] [stderr] Checking actix-threadpool v0.3.3 [INFO] [stderr] Checking serde v1.0.116 [INFO] [stderr] Checking futures-executor v0.3.5 [INFO] [stderr] Checking actix-service v1.0.6 [INFO] [stderr] Checking actix-rt v1.1.1 [INFO] [stderr] Checking h2 v0.2.6 [INFO] [stderr] Checking futures v0.3.5 [INFO] [stderr] Checking trust-dns-proto v0.19.5 [INFO] [stderr] Checking actix-utils v2.0.0 [INFO] [stderr] Checking actix-utils v1.0.6 [INFO] [stderr] Checking actix-tls v2.0.0 [INFO] [stderr] Checking actix-server v1.0.3 [INFO] [stderr] Checking actix-testing v1.0.1 [INFO] [stderr] Checking trust-dns-resolver v0.19.5 [INFO] [stderr] Checking serde_urlencoded v0.6.1 [INFO] [stderr] Checking serde_json v1.0.57 [INFO] [stderr] Checking actix-router v0.2.4 [INFO] [stderr] Checking actix-connect v2.0.0 [INFO] [stderr] Checking actix-http v2.0.0 [INFO] [stderr] Checking awc v2.0.0 [INFO] [stderr] Checking actix-web v3.0.0 [INFO] [stderr] Checking actix-web-httpauth v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `actix_rt` [INFO] [stdout] --> src/middleware.rs:247:7 [INFO] [stdout] | [INFO] [stdout] 247 | #[actix_rt::test] [INFO] [stdout] | ^^^^^^^^ use of undeclared crate or module `actix_rt` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `actix_rt` [INFO] [stdout] --> src/middleware.rs:270:7 [INFO] [stdout] | [INFO] [stdout] 270 | #[actix_rt::test] [INFO] [stdout] | ^^^^^^^^ use of undeclared crate or module `actix_rt` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `actix_rt` [INFO] [stdout] --> src/middleware.rs:252:21 [INFO] [stdout] | [INFO] [stdout] 252 | actix_rt::time::delay_for(std::time::Duration::from_secs(1)).await; [INFO] [stdout] | ^^^^^^^^ use of undeclared crate or module `actix_rt` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `actix_rt` [INFO] [stdout] --> src/middleware.rs:275:21 [INFO] [stdout] | [INFO] [stdout] 275 | actix_rt::time::delay_for(std::time::Duration::from_secs(1)).await; [INFO] [stdout] | ^^^^^^^^ use of undeclared crate or module `actix_rt` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0433`. [INFO] [stdout] [INFO] [stderr] error: could not compile `actix-web-httpauth` [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[E0433]: failed to resolve: use of undeclared crate or module `actix_rt` [INFO] [stdout] --> examples/middleware.rs:14:3 [INFO] [stdout] | [INFO] [stdout] 14 | #[actix_rt::main] [INFO] [stdout] | ^^^^^^^^ use of undeclared crate or module `actix_rt` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `actix_rt` [INFO] [stdout] --> examples/middleware-closure.rs:5:3 [INFO] [stdout] | [INFO] [stdout] 5 | #[actix_rt::main] [INFO] [stdout] | ^^^^^^^^ use of undeclared crate or module `actix_rt` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: `main` has invalid return type `impl std::future::Future` [INFO] [stdout] --> examples/middleware-closure.rs:6:20 [INFO] [stdout] | [INFO] [stdout] 6 | async fn main() -> std::io::Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ `main` can only return types that implement `Termination` [INFO] [stdout] | [INFO] [stdout] = help: consider using `()`, or a `Result` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] thread 'rustc' panicked at 'Box', compiler/rustc_errors/src/lib.rs:945:9 [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] stack backtrace: [INFO] [stderr] 0: 0x7ff396a0aa20 - std::backtrace_rs::backtrace::libunwind::trace::h303a626d53553a64 [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5 [INFO] [stderr] 1: 0x7ff396a0aa20 - std::backtrace_rs::backtrace::trace_unsynchronized::h6abb882733c3f18c [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x7ff396a0aa20 - std::sys_common::backtrace::_print_fmt::h57829321f1d9217a [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x7ff396a0aa20 - ::fmt::h400b66a054640aac [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x7ff396a79e9c - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/core/src/fmt/mod.rs:1076:17 [INFO] [stderr] 5: 0x7ff3969fc642 - std::io::Write::write_fmt::h6453b28c8b27c6ea [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/io/mod.rs:1516:15 [INFO] [stdout] error[E0277]: `main` has invalid return type `impl std::future::Future` [INFO] [stdout] --> examples/middleware.rs:15:20 [INFO] [stdout] | [INFO] [stdout] 15 | async fn main() -> std::io::Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ `main` can only return types that implement `Termination` [INFO] [stdout] | [INFO] [stdout] = help: consider using `()`, or a `Result` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] thread 'rustc' panicked at 'Box', compiler/rustc_errors/src/lib.rs:945:9 [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] stack backtrace: [INFO] [stderr] 6: 0x7ff396a0f9d5 - std::sys_common::backtrace::_print::h15cc4b3923cc9bc0 [INFO] [stderr] 0: 0x7fef6a002a20 - std::backtrace_rs::backtrace::libunwind::trace::h303a626d53553a64 [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5 [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 1: 0x7fef6a002a20 - std::backtrace_rs::backtrace::trace_unsynchronized::h6abb882733c3f18c [INFO] [stderr] 7: 0x7ff396a0f9d5 - std::sys_common::backtrace::print::h953c7be178c0674d [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x7ff396a0f9d5 - std::panicking::default_hook::{{closure}}::h635d667f571198f0 [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x7ff396a0f678 - std::panicking::default_hook::h3bc2efb48060abaa [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/panicking.rs:227:9 [INFO] [stderr] 10: 0x7ff3972d8618 - rustc_driver::report_ice::hbf1325c7565687ba [INFO] [stderr] 11: 0x7ff396a10216 - std::panicking::rust_panic_with_hook::h887eb0c89f46b8b2 [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/panicking.rs:581:17 [INFO] [stderr] 12: 0x7ff39a284a2d - std::panicking::begin_panic::{{closure}}::hc1d905d2374ce0cc [INFO] [stderr] 13: 0x7ff39a284936 - std::sys_common::backtrace::__rust_end_short_backtrace::ha1feaa73cb1e05ce [INFO] [stderr] 14: 0x7ff39a28499f - std::panicking::begin_panic::h09616460625efa25 [INFO] [stderr] 15: 0x7ff39a2bb380 - rustc_errors::HandlerInner::bug::hbb6554bd4fbc8852 [INFO] [stderr] 16: 0x7ff39a2b9e60 - rustc_errors::Handler::bug::h4feefeec7bb726ca [INFO] [stderr] 17: 0x7ff399d2bbc4 - rustc_middle::util::bug::opt_span_bug_fmt::{{closure}}::h22b92ed7b73b8340 [INFO] [stderr] 18: 0x7ff399d24e0b - rustc_middle::ty::context::tls::with_opt::{{closure}}::h32bfd9cf0b0a9393 [INFO] [stderr] 19: 0x7ff399d24db2 - rustc_middle::ty::context::tls::with_opt::h762464f893de2d96 [INFO] [stderr] 20: 0x7ff399d2bae9 - rustc_middle::util::bug::opt_span_bug_fmt::h05648c19bbf99518 [INFO] [stderr] 21: 0x7ff399d2ba5e - rustc_middle::util::bug::bug_fmt::h5d4f7ed12a8f1d0d [INFO] [stderr] 22: 0x7ff399e48706 - rustc_middle::ty::sty::::tuple_fields::hdc3dc0e1875e99ff [INFO] [stderr] 23: 0x7ff39963dfe8 - rustc_trait_selection::traits::select::SelectionContext::copy_clone_conditions::h8ff43f065f427a31 [INFO] [stderr] 24: 0x7ff399639541 - rustc_trait_selection::traits::select::candidate_assembly::::assemble_candidates::h7f604d35beab439e [INFO] [stderr] 25: 0x7ff39963793d - rustc_trait_selection::traits::select::candidate_assembly::::candidate_from_obligation_no_cache::h05f8c5b45c5e08a2 [INFO] [stderr] 26: 0x7ff399648479 - rustc_query_system::dep_graph::graph::DepGraph::with_anon_task::h44ec985a7770338d [INFO] [stderr] 27: 0x7ff39963f8d2 - rustc_trait_selection::traits::select::candidate_assembly::::candidate_from_obligation::he84ed255728ad44e [INFO] [stderr] 2: 0x7fef6a002a20 - std::sys_common::backtrace::_print_fmt::h57829321f1d9217a [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 28: 0x7ff39963c503 - rustc_trait_selection::traits::select::SelectionContext::evaluate_stack::h06e7ee3234d676cd [INFO] [stderr] 3: 0x7fef6a002a20 - ::fmt::h400b66a054640aac [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 29: 0x7ff39964d3d0 - rustc_query_system::dep_graph::graph::DepGraph::with_anon_task::hf442492fe7988b09 [INFO] [stderr] 30: 0x7ff39963bae4 - rustc_trait_selection::traits::select::SelectionContext::evaluate_trait_predicate_recursively::hb38f849d34368217 [INFO] [stderr] 4: 0x7fef6a071e9c - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/core/src/fmt/mod.rs:1076:17 [INFO] [stderr] 5: 0x7fef69ff4642 - std::io::Write::write_fmt::h6453b28c8b27c6ea [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/io/mod.rs:1516:15 [INFO] [stderr] 6: 0x7fef6a0079d5 - std::sys_common::backtrace::_print::h15cc4b3923cc9bc0 [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 31: 0x7ff399803a26 - rustc_trait_selection::traits::select::SelectionContext::evaluate_predicate_recursively::{{closure}}::ha75a9cb68e9796c1 [INFO] [stderr] 32: 0x7ff399645dde - rustc_trait_selection::traits::select::SelectionContext::evaluate_predicate_recursively::h08dd972328f720e7 [INFO] [stderr] 7: 0x7fef6a0079d5 - std::sys_common::backtrace::print::h953c7be178c0674d [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x7fef6a0079d5 - std::panicking::default_hook::{{closure}}::h635d667f571198f0 [INFO] [stderr] 33: 0x7ff39960b6b4 - rustc_infer::infer::InferCtxt::probe::hf13a54a708ad210c [INFO] [stderr] 34: 0x7ff39963b0e0 - rustc_trait_selection::traits::select::SelectionContext::evaluate_root_obligation::h954c58efaae55e17 [INFO] [stderr] 35: 0x7ff3979aed66 - rustc_infer::infer::InferCtxtBuilder::enter_with_canonical::hdbc417ca7d0d6c33 [INFO] [stderr] 36: 0x7ff397a1a7eb - rustc_traits::evaluate_obligation::evaluate_obligation::h6ad149b3038f3f29 [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/panicking.rs:208:50 [INFO] [stderr] 37: 0x7ff39961139d - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::evaluate_obligation>::compute::hb3df2fb3e496fc5e [INFO] [stderr] 38: 0x7ff39965cc59 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::heacdf35d72b91e29 [INFO] [stderr] 9: 0x7fef6a007678 - std::panicking::default_hook::h3bc2efb48060abaa [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/panicking.rs:227:9 [INFO] [stderr] 39: 0x7ff3997c7cd0 - rustc_middle::ty::query::plumbing::::start_query::{{closure}}::{{closure}}::{{closure}}::h1335e7ad0f4ea52c [INFO] [stderr] 40: 0x7ff39975350d - rustc_query_system::query::plumbing::get_query_impl::h3957bf19a016f15f [INFO] [stderr] 10: 0x7fef6a8d0618 - rustc_driver::report_ice::hbf1325c7565687ba [INFO] [stderr] 41: 0x7ff39963358e - ::evaluate_obligation::hd3c48f874d2c435f [INFO] [stderr] 11: 0x7fef6a008216 - std::panicking::rust_panic_with_hook::h887eb0c89f46b8b2 [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/panicking.rs:581:17 [INFO] [stderr] 12: 0x7fef6d87ca2d - std::panicking::begin_panic::{{closure}}::hc1d905d2374ce0cc [INFO] [stderr] 42: 0x7ff39963362d - ::evaluate_obligation_no_overflow::h888ee85cdb54e495 [INFO] [stderr] 43: 0x7ff399746d40 - rustc_trait_selection::traits::fulfill::FulfillProcessor::process_trait_obligation::h9f96ce64cbecfcf4 [INFO] [stderr] 44: 0x7ff399745fe2 - rustc_trait_selection::traits::fulfill::FulfillProcessor::progress_changed_obligations::h2020dfafb477c00f [INFO] [stderr] 45: 0x7ff3997d3239 - rustc_data_structures::obligation_forest::ObligationForest::process_obligations::h1d11017f52bfdd95 [INFO] [stderr] 13: 0x7fef6d87c936 - std::sys_common::backtrace::__rust_end_short_backtrace::ha1feaa73cb1e05ce [INFO] [stderr] 46: 0x7ff3997452e4 - ::select_where_possible::hf96074721833b16c [INFO] [stderr] 47: 0x7ff397d2b084 - rustc_typeck::check::fn_ctxt::_impl::::select_obligations_where_possible::h5a7844f4370dc933 [INFO] [stderr] 14: 0x7fef6d87c99f - std::panicking::begin_panic::h09616460625efa25 [INFO] [stderr] 48: 0x7ff397fa38f7 - rustc_infer::infer::InferCtxtBuilder::enter::h6881f9376e4471a9 [INFO] [stderr] 49: 0x7ff39805a158 - rustc_typeck::check::typeck::h7936b5f86fffb913 [INFO] [stderr] 50: 0x7ff39a1851a5 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::he31ecb2478271eb6 [INFO] [stderr] 51: 0x7ff399d3f9c4 - rustc_data_structures::stack::ensure_sufficient_stack::h0fae324398ebb94b [INFO] [stderr] 52: 0x7ff399adfc43 - rustc_query_system::query::plumbing::get_query_impl::h23431548fcf0457a [INFO] [stderr] 53: 0x7ff399e322f7 - rustc_middle::ty::context::TyCtxt::typeck_opt_const_arg::h3bd74cb09bd6e416 [INFO] [stderr] 54: 0x7ff398521758 - rustc_mir_build::thir::cx::Cx::new::hae441e3f756dd04d [INFO] [stderr] 15: 0x7fef6d8b3380 - rustc_errors::HandlerInner::bug::hbb6554bd4fbc8852 [INFO] [stderr] 55: 0x7ff3984e56c8 - rustc_infer::infer::InferCtxtBuilder::enter::hc3dcea69ea296949 [INFO] [stderr] 56: 0x7ff398426c93 - rustc_mir_build::build::mir_built::h1213ff50e2e6a0e1 [INFO] [stderr] 57: 0x7ff398a7f591 - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::mir_built>::compute::h48f449fd20c6d821 [INFO] [stderr] 58: 0x7ff398936062 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h64e586cbce9e64b6 [INFO] [stderr] 59: 0x7ff398955167 - rustc_data_structures::stack::ensure_sufficient_stack::hcd9666a57ae15592 [INFO] [stderr] 60: 0x7ff3987219b4 - rustc_query_system::query::plumbing::get_query_impl::h204e2d9ef53c9d61 [INFO] [stderr] 61: 0x7ff398ab2c2f - rustc_mir::transform::check_unsafety::unsafety_check_result::hfa73150fbef5dd4b [INFO] [stderr] 62: 0x7ff398a8da15 - core::ops::function::FnOnce::call_once::ha16d550cc2ad148e [INFO] [stderr] 63: 0x7ff398a8078e - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::unsafety_check_result>::compute::h1325ed663a32656e [INFO] [stderr] 64: 0x7ff39893eab7 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::hd407ccfcaf366716 [INFO] [stderr] 65: 0x7ff39894bc71 - rustc_data_structures::stack::ensure_sufficient_stack::h2b9edb953b6b37ed [INFO] [stderr] 66: 0x7ff398764c99 - rustc_query_system::query::plumbing::get_query_impl::h7a8ff46deb0129b0 [INFO] [stderr] 67: 0x7ff3987a350d - rustc_query_system::query::plumbing::ensure_query_impl::h5f3c48a1796f8afb [INFO] [stderr] 68: 0x7ff398ac3f8b - rustc_mir::transform::mir_const::hf34ae3a27ea9647b [INFO] [stderr] 69: 0x7ff398a7f671 - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::mir_const>::compute::hb439a448b1775404 [INFO] [stderr] 70: 0x7ff398936062 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h64e586cbce9e64b6 [INFO] [stderr] 71: 0x7ff398955167 - rustc_data_structures::stack::ensure_sufficient_stack::hcd9666a57ae15592 [INFO] [stderr] 72: 0x7ff3987219b4 - rustc_query_system::query::plumbing::get_query_impl::h204e2d9ef53c9d61 [INFO] [stderr] 73: 0x7ff398ac44ae - rustc_mir::transform::mir_promoted::h63d48cc42abf7992 [INFO] [stderr] 74: 0x7ff398ad3041 - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::mir_promoted>::compute::hdf2326856f72cc26 [INFO] [stderr] 75: 0x7ff3989329ae - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h5263bb496f38fe45 [INFO] [stderr] 76: 0x7ff398948b67 - rustc_data_structures::stack::ensure_sufficient_stack::h05d573450a98be7a [INFO] [stderr] 77: 0x7ff39874761f - rustc_query_system::query::plumbing::get_query_impl::h4d2eddc0469a3d56 [INFO] [stderr] 78: 0x7ff398b0ff14 - rustc_mir::borrow_check::mir_borrowck::h15a86e919fc8eed4 [INFO] [stderr] 79: 0x7ff398ad9e35 - core::ops::function::FnOnce::call_once::h03dbe0b786591256 [INFO] [stderr] 80: 0x7ff39802ed2e - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::mir_borrowck>::compute::h6e0262522c39a99c [INFO] [stderr] 81: 0x7ff397f12a37 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::hbccb591d25d97bba [INFO] [stderr] 82: 0x7ff397e80461 - rustc_data_structures::stack::ensure_sufficient_stack::hf9691a12a2696c86 [INFO] [stderr] 83: 0x7ff397d91a79 - rustc_query_system::query::plumbing::get_query_impl::h8e706cf7049df2c3 [INFO] [stderr] 84: 0x7ff398061034 - rustc_typeck::collect::type_of::type_of::hc36be93746b1de48 [INFO] [stderr] 85: 0x7ff397e12bff - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::type_of>::compute::hb3888e2d2bff40bd [INFO] [stderr] 86: 0x7ff397f10c94 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h952ed8e8215ed554 [INFO] [stderr] 87: 0x7ff397e73021 - rustc_data_structures::stack::ensure_sufficient_stack::h1396c8a5e30d56bc [INFO] [stderr] 88: 0x7ff397d673ff - rustc_query_system::query::plumbing::get_query_impl::h28946643b924e3d8 [INFO] [stderr] 89: 0x7ff397e35cd3 - rustc_typeck::check::check::check_item_type::h790b0a968206d0a9 [INFO] [stderr] 90: 0x7ff397ef6122 - rustc_middle::hir::map::Map::visit_item_likes_in_module::hebcf6e6d5c88b804 [INFO] [stderr] 91: 0x7ff397e39acd - rustc_typeck::check::check::check_mod_item_types::h7f4fb3e9fc4acba3 [INFO] [stderr] 92: 0x7ff397ef21fe - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::check_mod_item_types>::compute::h8a145d1b5479ca1f [INFO] [stderr] 93: 0x7ff397f0e807 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h8e6947eb9be02f4e [INFO] [stderr] 94: 0x7ff397e7e564 - rustc_data_structures::stack::ensure_sufficient_stack::hdc0eadaac9a180e4 [INFO] [stderr] 95: 0x7ff397dd7a02 - rustc_query_system::query::plumbing::get_query_impl::hfaeae1bfdea1ee23 [INFO] [stderr] 96: 0x7ff397ddc1de - rustc_query_system::query::plumbing::ensure_query_impl::h79037b18dc7d3ee5 [INFO] [stderr] 97: 0x7ff397ef86a4 - rustc_session::utils::::time::h7b414d0bb62f62b2 [INFO] [stderr] 98: 0x7ff397f5adbf - rustc_typeck::check_crate::h19e2dfbdd8ea5557 [INFO] [stderr] 99: 0x7ff39751dd95 - rustc_interface::passes::analysis::hf34e525a2b31f7c0 [INFO] [stderr] 100: 0x7ff397257d7b - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::analysis>::compute::h23cb841af51f0584 [INFO] [stderr] 101: 0x7ff3972f6057 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h7178e9f1ddee6943 [INFO] [stderr] 102: 0x7ff3972f13df - rustc_middle::ty::query::plumbing::::start_query::{{closure}}::{{closure}}::{{closure}}::h4025824db8759ceb [INFO] [stderr] 103: 0x7ff397282f10 - rustc_query_system::query::plumbing::get_query_impl::h29928f066778d4c4 [INFO] [stderr] 104: 0x7ff39725a12b - rustc_interface::passes::QueryContext::enter::h0705343d8e4a95be [INFO] [stderr] 105: 0x7ff3972f34a2 - rustc_interface::queries::::enter::h6eb07f11eba80bd6 [INFO] [stderr] 106: 0x7ff3972ba2a2 - rustc_span::with_source_map::h3820d41b3a036910 [INFO] [stderr] 107: 0x7ff3972f49c2 - rustc_interface::interface::create_compiler_and_run::h08ad396f4e7721e0 [INFO] [stderr] 108: 0x7ff3972dcd5a - scoped_tls::ScopedKey::set::hd425a36fbe06985e [INFO] [stderr] 109: 0x7ff3972f99b5 - std::sys_common::backtrace::__rust_begin_short_backtrace::h23925571219dbc63 [INFO] [stderr] 110: 0x7ff3972773ce - core::ops::function::FnOnce::call_once{{vtable.shim}}::h43b61b9af30b3669 [INFO] [stderr] 111: 0x7ff396a1f21a - as core::ops::function::FnOnce>::call_once::h88864ee659ddb161 [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/alloc/src/boxed.rs:1042:9 [INFO] [stderr] 112: 0x7ff396a1f21a - as core::ops::function::FnOnce>::call_once::h9f03cbdc7ab33431 [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/alloc/src/boxed.rs:1042:9 [INFO] [stderr] 113: 0x7ff396a1f21a - std::sys::unix::thread::Thread::new::thread_start::h5979dd5560a11418 [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/sys/unix/thread.rs:89:17 [INFO] [stderr] 114: 0x7ff39693a609 - start_thread [INFO] [stderr] 115: 0x7ff39684e103 - 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 (ffa2e7ae8 2020-10-24) 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/middleware-closure.rs:7:21: 13:6]: std::clone::Clone` [INFO] [stderr] #1 [typeck] type-checking `main` [INFO] [stderr] #2 [mir_built] building MIR for `main` [INFO] [stderr] #3 [unsafety_check_result] unsafety-checking `main` [INFO] [stderr] #4 [mir_const] processing MIR for `main` [INFO] [stderr] #5 [mir_promoted] processing `main` [INFO] [stderr] #6 [mir_borrowck] borrow-checking `main` [INFO] [stderr] #7 [type_of] computing type of `main::{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] [stderr] 16: 0x7fef6d8b1e60 - rustc_errors::Handler::bug::h4feefeec7bb726ca [INFO] [stderr] 17: 0x7fef6d323bc4 - rustc_middle::util::bug::opt_span_bug_fmt::{{closure}}::h22b92ed7b73b8340 [INFO] [stderr] 18: 0x7fef6d31ce0b - rustc_middle::ty::context::tls::with_opt::{{closure}}::h32bfd9cf0b0a9393 [INFO] [stderr] 19: 0x7fef6d31cdb2 - rustc_middle::ty::context::tls::with_opt::h762464f893de2d96 [INFO] [stderr] 20: 0x7fef6d323ae9 - rustc_middle::util::bug::opt_span_bug_fmt::h05648c19bbf99518 [INFO] [stderr] 21: 0x7fef6d323a5e - rustc_middle::util::bug::bug_fmt::h5d4f7ed12a8f1d0d [INFO] [stderr] 22: 0x7fef6d440706 - rustc_middle::ty::sty::::tuple_fields::hdc3dc0e1875e99ff [INFO] [stderr] 23: 0x7fef6cc35fe8 - rustc_trait_selection::traits::select::SelectionContext::copy_clone_conditions::h8ff43f065f427a31 [INFO] [stderr] 24: 0x7fef6cc31541 - rustc_trait_selection::traits::select::candidate_assembly::::assemble_candidates::h7f604d35beab439e [INFO] [stderr] 25: 0x7fef6cc2f93d - rustc_trait_selection::traits::select::candidate_assembly::::candidate_from_obligation_no_cache::h05f8c5b45c5e08a2 [INFO] [stderr] 26: 0x7fef6cc40479 - rustc_query_system::dep_graph::graph::DepGraph::with_anon_task::h44ec985a7770338d [INFO] [stderr] 27: 0x7fef6cc378d2 - rustc_trait_selection::traits::select::candidate_assembly::::candidate_from_obligation::he84ed255728ad44e [INFO] [stderr] 28: 0x7fef6cc34503 - rustc_trait_selection::traits::select::SelectionContext::evaluate_stack::h06e7ee3234d676cd [INFO] [stderr] 29: 0x7fef6cc453d0 - rustc_query_system::dep_graph::graph::DepGraph::with_anon_task::hf442492fe7988b09 [INFO] [stderr] 30: 0x7fef6cc33ae4 - rustc_trait_selection::traits::select::SelectionContext::evaluate_trait_predicate_recursively::hb38f849d34368217 [INFO] [stderr] 31: 0x7fef6cdfba26 - rustc_trait_selection::traits::select::SelectionContext::evaluate_predicate_recursively::{{closure}}::ha75a9cb68e9796c1 [INFO] [stderr] 32: 0x7fef6cc3ddde - rustc_trait_selection::traits::select::SelectionContext::evaluate_predicate_recursively::h08dd972328f720e7 [INFO] [stderr] 33: 0x7fef6cc036b4 - rustc_infer::infer::InferCtxt::probe::hf13a54a708ad210c [INFO] [stderr] 34: 0x7fef6cc330e0 - rustc_trait_selection::traits::select::SelectionContext::evaluate_root_obligation::h954c58efaae55e17 [INFO] [stderr] 35: 0x7fef6afa6d66 - rustc_infer::infer::InferCtxtBuilder::enter_with_canonical::hdbc417ca7d0d6c33 [INFO] [stderr] 36: 0x7fef6b0127eb - rustc_traits::evaluate_obligation::evaluate_obligation::h6ad149b3038f3f29 [INFO] [stderr] 37: 0x7fef6cc0939d - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::evaluate_obligation>::compute::hb3df2fb3e496fc5e [INFO] [stderr] 38: 0x7fef6cc54c59 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::heacdf35d72b91e29 [INFO] [stderr] 39: 0x7fef6cdbfcd0 - rustc_middle::ty::query::plumbing::::start_query::{{closure}}::{{closure}}::{{closure}}::h1335e7ad0f4ea52c [INFO] [stderr] 40: 0x7fef6cd4b50d - rustc_query_system::query::plumbing::get_query_impl::h3957bf19a016f15f [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] 41: 0x7fef6cc2b58e - ::evaluate_obligation::hd3c48f874d2c435f [INFO] [stdout] Some errors have detailed explanations: E0277, E0433. [INFO] [stdout] [INFO] [stderr] 42: 0x7fef6cc2b62d - ::evaluate_obligation_no_overflow::h888ee85cdb54e495 [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] 43: 0x7fef6cd3ed40 - rustc_trait_selection::traits::fulfill::FulfillProcessor::process_trait_obligation::h9f96ce64cbecfcf4 [INFO] [stderr] 44: 0x7fef6cd3dfe2 - rustc_trait_selection::traits::fulfill::FulfillProcessor::progress_changed_obligations::h2020dfafb477c00f [INFO] [stderr] 45: 0x7fef6cdcb239 - rustc_data_structures::obligation_forest::ObligationForest::process_obligations::h1d11017f52bfdd95 [INFO] [stderr] 46: 0x7fef6cd3d2e4 - ::select_where_possible::hf96074721833b16c [INFO] [stderr] 47: 0x7fef6b323084 - rustc_typeck::check::fn_ctxt::_impl::::select_obligations_where_possible::h5a7844f4370dc933 [INFO] [stderr] 48: 0x7fef6b59b8f7 - rustc_infer::infer::InferCtxtBuilder::enter::h6881f9376e4471a9 [INFO] [stderr] 49: 0x7fef6b652158 - rustc_typeck::check::typeck::h7936b5f86fffb913 [INFO] [stderr] 50: 0x7fef6d77d1a5 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::he31ecb2478271eb6 [INFO] [stderr] 51: 0x7fef6d3379c4 - rustc_data_structures::stack::ensure_sufficient_stack::h0fae324398ebb94b [INFO] [stderr] 52: 0x7fef6d0d7c43 - rustc_query_system::query::plumbing::get_query_impl::h23431548fcf0457a [INFO] [stderr] 53: 0x7fef6d42a2f7 - rustc_middle::ty::context::TyCtxt::typeck_opt_const_arg::h3bd74cb09bd6e416 [INFO] [stderr] 54: 0x7fef6bb19758 - rustc_mir_build::thir::cx::Cx::new::hae441e3f756dd04d [INFO] [stderr] 55: 0x7fef6badd6c8 - rustc_infer::infer::InferCtxtBuilder::enter::hc3dcea69ea296949 [INFO] [stderr] 56: 0x7fef6ba1ec93 - rustc_mir_build::build::mir_built::h1213ff50e2e6a0e1 [INFO] [stderr] 57: 0x7fef6c077591 - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::mir_built>::compute::h48f449fd20c6d821 [INFO] [stderr] 58: 0x7fef6bf2e062 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h64e586cbce9e64b6 [INFO] [stderr] 59: 0x7fef6bf4d167 - rustc_data_structures::stack::ensure_sufficient_stack::hcd9666a57ae15592 [INFO] [stderr] 60: 0x7fef6bd199b4 - rustc_query_system::query::plumbing::get_query_impl::h204e2d9ef53c9d61 [INFO] [stderr] 61: 0x7fef6c0aac2f - rustc_mir::transform::check_unsafety::unsafety_check_result::hfa73150fbef5dd4b [INFO] [stderr] 62: 0x7fef6c085a15 - core::ops::function::FnOnce::call_once::ha16d550cc2ad148e [INFO] [stderr] 63: 0x7fef6c07878e - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::unsafety_check_result>::compute::h1325ed663a32656e [INFO] [stderr] 64: 0x7fef6bf36ab7 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::hd407ccfcaf366716 [INFO] [stderr] 65: 0x7fef6bf43c71 - rustc_data_structures::stack::ensure_sufficient_stack::h2b9edb953b6b37ed [INFO] [stderr] 66: 0x7fef6bd5cc99 - rustc_query_system::query::plumbing::get_query_impl::h7a8ff46deb0129b0 [INFO] [stderr] 67: 0x7fef6bd9b50d - rustc_query_system::query::plumbing::ensure_query_impl::h5f3c48a1796f8afb [INFO] [stderr] 68: 0x7fef6c0bbf8b - rustc_mir::transform::mir_const::hf34ae3a27ea9647b [INFO] [stderr] 69: 0x7fef6c077671 - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::mir_const>::compute::hb439a448b1775404 [INFO] [stderr] 70: 0x7fef6bf2e062 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h64e586cbce9e64b6 [INFO] [stderr] 71: 0x7fef6bf4d167 - rustc_data_structures::stack::ensure_sufficient_stack::hcd9666a57ae15592 [INFO] [stderr] 72: 0x7fef6bd199b4 - rustc_query_system::query::plumbing::get_query_impl::h204e2d9ef53c9d61 [INFO] [stderr] 73: 0x7fef6c0bc4ae - rustc_mir::transform::mir_promoted::h63d48cc42abf7992 [INFO] [stderr] 74: 0x7fef6c0cb041 - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::mir_promoted>::compute::hdf2326856f72cc26 [INFO] [stderr] 75: 0x7fef6bf2a9ae - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h5263bb496f38fe45 [INFO] [stderr] 76: 0x7fef6bf40b67 - rustc_data_structures::stack::ensure_sufficient_stack::h05d573450a98be7a [INFO] [stderr] 77: 0x7fef6bd3f61f - rustc_query_system::query::plumbing::get_query_impl::h4d2eddc0469a3d56 [INFO] [stderr] 78: 0x7fef6c107f14 - rustc_mir::borrow_check::mir_borrowck::h15a86e919fc8eed4 [INFO] [stderr] 79: 0x7fef6c0d1e35 - core::ops::function::FnOnce::call_once::h03dbe0b786591256 [INFO] [stderr] 80: 0x7fef6b626d2e - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::mir_borrowck>::compute::h6e0262522c39a99c [INFO] [stderr] 81: 0x7fef6b50aa37 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::hbccb591d25d97bba [INFO] [stderr] 82: 0x7fef6b478461 - rustc_data_structures::stack::ensure_sufficient_stack::hf9691a12a2696c86 [INFO] [stderr] 83: 0x7fef6b389a79 - rustc_query_system::query::plumbing::get_query_impl::h8e706cf7049df2c3 [INFO] [stderr] 84: 0x7fef6b659034 - rustc_typeck::collect::type_of::type_of::hc36be93746b1de48 [INFO] [stderr] 85: 0x7fef6b40abff - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::type_of>::compute::hb3888e2d2bff40bd [INFO] [stderr] 86: 0x7fef6b508c94 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h952ed8e8215ed554 [INFO] [stderr] 87: 0x7fef6b46b021 - rustc_data_structures::stack::ensure_sufficient_stack::h1396c8a5e30d56bc [INFO] [stderr] 88: 0x7fef6b35f3ff - rustc_query_system::query::plumbing::get_query_impl::h28946643b924e3d8 [INFO] [stderr] 89: 0x7fef6b42dcd3 - rustc_typeck::check::check::check_item_type::h790b0a968206d0a9 [INFO] [stderr] 90: 0x7fef6b4ee122 - rustc_middle::hir::map::Map::visit_item_likes_in_module::hebcf6e6d5c88b804 [INFO] [stderr] 91: 0x7fef6b431acd - rustc_typeck::check::check::check_mod_item_types::h7f4fb3e9fc4acba3 [INFO] [stderr] 92: 0x7fef6b4ea1fe - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::check_mod_item_types>::compute::h8a145d1b5479ca1f [INFO] [stderr] 93: 0x7fef6b506807 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h8e6947eb9be02f4e [INFO] [stderr] 94: 0x7fef6b476564 - rustc_data_structures::stack::ensure_sufficient_stack::hdc0eadaac9a180e4 [INFO] [stderr] 95: 0x7fef6b3cfa02 - rustc_query_system::query::plumbing::get_query_impl::hfaeae1bfdea1ee23 [INFO] [stderr] 96: 0x7fef6b3d41de - rustc_query_system::query::plumbing::ensure_query_impl::h79037b18dc7d3ee5 [INFO] [stderr] 97: 0x7fef6b4f06a4 - rustc_session::utils::::time::h7b414d0bb62f62b2 [INFO] [stderr] 98: 0x7fef6b552dbf - rustc_typeck::check_crate::h19e2dfbdd8ea5557 [INFO] [stderr] 99: 0x7fef6ab15d95 - rustc_interface::passes::analysis::hf34e525a2b31f7c0 [INFO] [stderr] 100: 0x7fef6a84fd7b - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::analysis>::compute::h23cb841af51f0584 [INFO] [stderr] 101: 0x7fef6a8ee057 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h7178e9f1ddee6943 [INFO] [stderr] 102: 0x7fef6a8e93df - rustc_middle::ty::query::plumbing::::start_query::{{closure}}::{{closure}}::{{closure}}::h4025824db8759ceb [INFO] [stderr] 103: 0x7fef6a87af10 - rustc_query_system::query::plumbing::get_query_impl::h29928f066778d4c4 [INFO] [stderr] 104: 0x7fef6a85212b - rustc_interface::passes::QueryContext::enter::h0705343d8e4a95be [INFO] [stderr] 105: 0x7fef6a8eb4a2 - rustc_interface::queries::::enter::h6eb07f11eba80bd6 [INFO] [stderr] 106: 0x7fef6a8b22a2 - rustc_span::with_source_map::h3820d41b3a036910 [INFO] [stderr] 107: 0x7fef6a8ec9c2 - rustc_interface::interface::create_compiler_and_run::h08ad396f4e7721e0 [INFO] [stderr] 108: 0x7fef6a8d4d5a - scoped_tls::ScopedKey::set::hd425a36fbe06985e [INFO] [stderr] 109: 0x7fef6a8f19b5 - std::sys_common::backtrace::__rust_begin_short_backtrace::h23925571219dbc63 [INFO] [stderr] 110: 0x7fef6a86f3ce - core::ops::function::FnOnce::call_once{{vtable.shim}}::h43b61b9af30b3669 [INFO] [stderr] 111: 0x7fef6a01721a - as core::ops::function::FnOnce>::call_once::h88864ee659ddb161 [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/alloc/src/boxed.rs:1042:9 [INFO] [stderr] 112: 0x7fef6a01721a - as core::ops::function::FnOnce>::call_once::h9f03cbdc7ab33431 [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/alloc/src/boxed.rs:1042:9 [INFO] [stderr] 113: 0x7fef6a01721a - std::sys::unix::thread::Thread::new::thread_start::h5979dd5560a11418 [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/sys/unix/thread.rs:89:17 [INFO] [stderr] 114: 0x7fef69f32609 - start_thread [INFO] [stderr] 115: 0x7fef69e46103 - 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 (ffa2e7ae8 2020-10-24) 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/middleware.rs:16:21: 22:6]: std::clone::Clone` [INFO] [stderr] #1 [typeck] type-checking `main` [INFO] [stderr] #2 [mir_built] building MIR for `main` [INFO] [stderr] #3 [unsafety_check_result] unsafety-checking `main` [INFO] [stderr] #4 [mir_const] processing MIR for `main` [INFO] [stderr] #5 [mir_promoted] processing `main` [INFO] [stderr] #6 [mir_borrowck] borrow-checking `main` [INFO] [stderr] #7 [type_of] computing type of `main::{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 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0433. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "6a2faaf013dfd67c3a100d46791db4aee505834fdb8c4ed15d5258944d7fc77a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a2faaf013dfd67c3a100d46791db4aee505834fdb8c4ed15d5258944d7fc77a", kill_on_drop: false }` [INFO] [stdout] 6a2faaf013dfd67c3a100d46791db4aee505834fdb8c4ed15d5258944d7fc77a