[INFO] cloning repository https://github.com/Millsky/rust-smol [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Millsky/rust-smol" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMillsky%2Frust-smol", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMillsky%2Frust-smol'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b02a3b2f7a0084fee2558f69b9bf4c4705f96ece [INFO] checking Millsky/rust-smol against try#ff044a3d65d25a17c3e14c1530004e1540179ba7 for pr-78338 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMillsky%2Frust-smol" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Millsky/rust-smol on toolchain ff044a3d65d25a17c3e14c1530004e1540179ba7 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Millsky/rust-smol [INFO] finished tweaking git repo https://github.com/Millsky/rust-smol [INFO] tweaked toml for git repo https://github.com/Millsky/rust-smol written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/Millsky/rust-smol already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded lz4-compress v0.1.0 [INFO] [stderr] Downloaded retry v1.0.0 [INFO] [stderr] Downloaded cdrs v2.3.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f31e3fee303ff07edd723e56eb55da0ff9d33a5aa5e93deec5cfa5a0f7717cdb [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" "f31e3fee303ff07edd723e56eb55da0ff9d33a5aa5e93deec5cfa5a0f7717cdb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f31e3fee303ff07edd723e56eb55da0ff9d33a5aa5e93deec5cfa5a0f7717cdb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f31e3fee303ff07edd723e56eb55da0ff9d33a5aa5e93deec5cfa5a0f7717cdb", kill_on_drop: false }` [INFO] [stdout] f31e3fee303ff07edd723e56eb55da0ff9d33a5aa5e93deec5cfa5a0f7717cdb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c52616597d87301bb031a126507aaaaebd1dc8212a65dc391f8cb5af3bcf7f1c [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" "c52616597d87301bb031a126507aaaaebd1dc8212a65dc391f8cb5af3bcf7f1c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking smallvec v1.2.0 [INFO] [stderr] Checking bytes v0.5.4 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking futures-core v0.3.4 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking futures-sink v0.3.4 [INFO] [stderr] Compiling proc-macro-nested v0.1.4 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Compiling proc-macro-hack v0.5.15 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking futures-io v0.3.4 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking futures-task v0.3.4 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Checking pin-project-lite v0.1.4 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Checking try-lock v0.2.2 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Checking base64 v0.11.0 [INFO] [stderr] Checking utf-8 v0.7.5 [INFO] [stderr] Checking tower-service v0.3.0 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking base64 v0.12.0 [INFO] [stderr] Checking byteorder v0.5.3 [INFO] [stderr] Checking dtoa v0.4.5 [INFO] [stderr] Checking scoped-tls v1.0.0 [INFO] [stderr] Checking uuid v0.8.1 [INFO] [stderr] Checking urlencoding v1.0.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Checking futures-channel v0.3.4 [INFO] [stderr] Checking unicode-normalization v0.1.12 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking http v0.2.1 [INFO] [stderr] Checking input_buffer v0.3.1 [INFO] [stderr] Checking lz4-compress v0.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking snap v0.2.5 [INFO] [stderr] Compiling indexmap v1.3.2 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Checking buf_redux v0.8.4 [INFO] [stderr] Checking twoway v0.1.8 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling phf v0.7.24 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking parking_lot_core v0.7.1 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking parking_lot v0.10.2 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking scheduled-thread-pool v0.2.4 [INFO] [stderr] Checking sha-1 v0.8.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking url v2.1.1 [INFO] [stderr] Checking r2d2 v0.8.8 [INFO] [stderr] Checking cdrs v2.3.1 [INFO] [stderr] Checking headers-core v0.2.0 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Checking headers v0.3.2 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling mime_guess v1.8.8 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking tungstenite v0.10.1 [INFO] [stderr] Checking retry v1.0.0 [INFO] [stderr] Checking multipart v0.16.1 [INFO] [stderr] Checking serde_json v1.0.51 [INFO] [stderr] Checking serde_urlencoded v0.6.1 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling pin-project-internal v0.4.8 [INFO] [stderr] Checking tokio v0.2.16 [INFO] [stderr] Checking futures-util v0.3.4 [INFO] [stderr] Checking pin-project v0.4.8 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking futures-executor v0.3.4 [INFO] [stderr] Checking futures v0.3.4 [INFO] [stderr] Checking tokio-tungstenite v0.10.1 [INFO] [stderr] Checking h2 v0.2.4 [INFO] [stderr] Checking hyper v0.13.4 [INFO] [stderr] Checking warp v0.2.2 [INFO] [stderr] Checking exmicro v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0583]: file not found for module `cassandra` [INFO] [stdout] --> src/main.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | mod cassandra; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: to create the module `cassandra`, create file "src/cassandra.rs" [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0583]: file not found for module `cassandra` [INFO] [stdout] --> src/main.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | mod cassandra; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: to create the module `cassandra`, create file "src/cassandra.rs" [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `CassandraSession` in module `cassandra` [INFO] [stdout] --> src/main.rs:31:33 [INFO] [stdout] | [INFO] [stdout] 31 | let my_session : cassandra::CassandraSession = cassandra::authenticate(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ not found in `cassandra` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function `authenticate` in module `cassandra` [INFO] [stdout] --> src/main.rs:31:63 [INFO] [stdout] | [INFO] [stdout] 31 | let my_session : cassandra::CassandraSession = cassandra::authenticate(); [INFO] [stdout] | ^^^^^^^^^^^^ not found in `cassandra` [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: 0x7f7d5b60da20 - std::backtrace_rs::backtrace::libunwind::trace::h303a626d53553a64 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5 [INFO] [stderr] 1: 0x7f7d5b60da20 - std::backtrace_rs::backtrace::trace_unsynchronized::h6abb882733c3f18c [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x7f7d5b60da20 - std::sys_common::backtrace::_print_fmt::h57829321f1d9217a [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x7f7d5b60da20 - ::fmt::h400b66a054640aac [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x7f7d5b67ce9c - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/core/src/fmt/mod.rs:1076:17 [INFO] [stderr] 5: 0x7f7d5b5ff642 - std::io::Write::write_fmt::h6453b28c8b27c6ea [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/io/mod.rs:1516:15 [INFO] [stderr] 6: 0x7f7d5b6129d5 - std::sys_common::backtrace::_print::h15cc4b3923cc9bc0 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x7f7d5b6129d5 - std::sys_common::backtrace::print::h953c7be178c0674d [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x7f7d5b6129d5 - std::panicking::default_hook::{{closure}}::h635d667f571198f0 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x7f7d5b612678 - std::panicking::default_hook::h3bc2efb48060abaa [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:227:9 [INFO] [stdout] error[E0412]: cannot find type `CassandraSession` in module `cassandra` [INFO] [stdout] --> src/main.rs:31:33 [INFO] [stdout] | [INFO] [stdout] 31 | let my_session : cassandra::CassandraSession = cassandra::authenticate(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ not found in `cassandra` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] 10: 0x7f7d5bedbe08 - rustc_driver::report_ice::hbf1325c7565687ba [INFO] [stdout] error[E0425]: cannot find function `authenticate` in module `cassandra` [INFO] [stdout] --> src/main.rs:31:63 [INFO] [stdout] | [INFO] [stdout] 31 | let my_session : cassandra::CassandraSession = cassandra::authenticate(); [INFO] [stdout] | ^^^^^^^^^^^^ not found in `cassandra` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] 11: 0x7f7d4dcc7c56 - as core::ops::function::Fn>::call::h70ce49fd8fb7cda3 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/alloc/src/boxed.rs:1056:9 [INFO] [stderr] 12: 0x7f7d4dccb13b - proc_macro::bridge::client::::enter::{{closure}}::{{closure}}::hd09a0e3f7463510b [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/proc_macro/src/bridge/client.rs:320:21 [INFO] [stderr] 13: 0x7f7d5b613216 - std::panicking::rust_panic_with_hook::h887eb0c89f46b8b2 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:581:17 [INFO] [stderr] 14: 0x7f7d5ee7dcbd - std::panicking::begin_panic::{{closure}}::hc1d905d2374ce0cc [INFO] [stderr] 15: 0x7f7d5ee7dbc6 - std::sys_common::backtrace::__rust_end_short_backtrace::ha1feaa73cb1e05ce [INFO] [stderr] 16: 0x7f7d5ee7dc2f - std::panicking::begin_panic::h09616460625efa25 [INFO] [stderr] 17: 0x7f7d5eeb4610 - rustc_errors::HandlerInner::bug::hbb6554bd4fbc8852 [INFO] [stderr] 18: 0x7f7d5eeb30f0 - rustc_errors::Handler::bug::h4feefeec7bb726ca [INFO] [stderr] 19: 0x7f7d5e99bea4 - rustc_middle::util::bug::opt_span_bug_fmt::{{closure}}::h22b92ed7b73b8340 [INFO] [stderr] 20: 0x7f7d5e99b74b - rustc_middle::ty::context::tls::with_opt::{{closure}}::h32bfd9cf0b0a9393 [INFO] [stderr] 21: 0x7f7d5e99b6f2 - rustc_middle::ty::context::tls::with_opt::h762464f893de2d96 [INFO] [stderr] 22: 0x7f7d5e99bdc9 - rustc_middle::util::bug::opt_span_bug_fmt::h05648c19bbf99518 [INFO] [stderr] 23: 0x7f7d5e99bd3e - rustc_middle::util::bug::bug_fmt::h5d4f7ed12a8f1d0d [INFO] [stderr] 24: 0x7f7d5ea41bc6 - rustc_middle::ty::sty::::tuple_fields::hdc3dc0e1875e99ff [INFO] [stderr] 25: 0x7f7d5e238e78 - rustc_trait_selection::traits::select::SelectionContext::copy_clone_conditions::h8ff43f065f427a31 [INFO] [stderr] 26: 0x7f7d5e2343d1 - rustc_trait_selection::traits::select::candidate_assembly::::assemble_candidates::h7f604d35beab439e [INFO] [stderr] 27: 0x7f7d5e2327cd - rustc_trait_selection::traits::select::candidate_assembly::::candidate_from_obligation_no_cache::h05f8c5b45c5e08a2 [INFO] [stderr] 28: 0x7f7d5e243309 - rustc_query_system::dep_graph::graph::DepGraph::with_anon_task::h44ec985a7770338d [INFO] [stderr] 29: 0x7f7d5e23a762 - rustc_trait_selection::traits::select::candidate_assembly::::candidate_from_obligation::he84ed255728ad44e [INFO] [stderr] 30: 0x7f7d5e237393 - rustc_trait_selection::traits::select::SelectionContext::evaluate_stack::h06e7ee3234d676cd [INFO] [stderr] 31: 0x7f7d5e248260 - rustc_query_system::dep_graph::graph::DepGraph::with_anon_task::hf442492fe7988b09 [INFO] [stderr] 32: 0x7f7d5e236974 - rustc_trait_selection::traits::select::SelectionContext::evaluate_trait_predicate_recursively::hb38f849d34368217 [INFO] [stderr] 33: 0x7f7d5e3fe8b6 - rustc_trait_selection::traits::select::SelectionContext::evaluate_predicate_recursively::{{closure}}::ha75a9cb68e9796c1 [INFO] [stderr] 34: 0x7f7d5e240c6e - rustc_trait_selection::traits::select::SelectionContext::evaluate_predicate_recursively::h08dd972328f720e7 [INFO] [stderr] 35: 0x7f7d5e206544 - rustc_infer::infer::InferCtxt::probe::hf13a54a708ad210c [INFO] [stderr] 36: 0x7f7d5e235f70 - rustc_trait_selection::traits::select::SelectionContext::evaluate_root_obligation::h954c58efaae55e17 [INFO] [stderr] 37: 0x7f7d5c5b0e96 - rustc_infer::infer::InferCtxtBuilder::enter_with_canonical::hdbc417ca7d0d6c33 [INFO] [stderr] 38: 0x7f7d5c61c91b - rustc_traits::evaluate_obligation::evaluate_obligation::h6ad149b3038f3f29 [INFO] [stderr] 39: 0x7f7d5e20c22d - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::evaluate_obligation>::compute::hb3df2fb3e496fc5e [INFO] [stderr] 40: 0x7f7d5e257ae9 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::heacdf35d72b91e29 [INFO] [stderr] 41: 0x7f7d5e3c2b60 - rustc_middle::ty::query::plumbing::::start_query::{{closure}}::{{closure}}::{{closure}}::h1335e7ad0f4ea52c [INFO] [stderr] 42: 0x7f7d5e34e39d - rustc_query_system::query::plumbing::get_query_impl::h3957bf19a016f15f [INFO] [stderr] 43: 0x7f7d5e22e41e - ::evaluate_obligation::hd3c48f874d2c435f [INFO] [stderr] 44: 0x7f7d5e22e4bd - ::evaluate_obligation_no_overflow::h888ee85cdb54e495 [INFO] [stderr] 45: 0x7f7d5e341bd0 - rustc_trait_selection::traits::fulfill::FulfillProcessor::process_trait_obligation::h9f96ce64cbecfcf4 [INFO] [stderr] 46: 0x7f7d5e340e72 - rustc_trait_selection::traits::fulfill::FulfillProcessor::progress_changed_obligations::h2020dfafb477c00f [INFO] [stderr] 47: 0x7f7d5e3ce0c9 - rustc_data_structures::obligation_forest::ObligationForest::process_obligations::h1d11017f52bfdd95 [INFO] [stderr] 48: 0x7f7d5e340174 - ::select_where_possible::hf96074721833b16c [INFO] [stderr] 49: 0x7f7d5c92d1b4 - rustc_typeck::check::fn_ctxt::_impl::::select_obligations_where_possible::h5a7844f4370dc933 [INFO] [stderr] 50: 0x7f7d5cba5a27 - rustc_infer::infer::InferCtxtBuilder::enter::h6881f9376e4471a9 [INFO] [stderr] 51: 0x7f7d5cc5c288 - rustc_typeck::check::typeck::h7936b5f86fffb913 [INFO] [stderr] 52: 0x7f7d5cc30a5e - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::typeck>::compute::hcea92138ac9e28bb [INFO] [stderr] 53: 0x7f7d5cb07777 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h2605dda46e394e9a [INFO] [stderr] 54: 0x7f7d5ca81b61 - rustc_data_structures::stack::ensure_sufficient_stack::hefd48e3d1b00a42f [INFO] [stderr] 55: 0x7f7d5c972459 - rustc_query_system::query::plumbing::get_query_impl::h3a9e7fcf130ad31d [INFO] [stderr] 56: 0x7f7d5cc5c3db - rustc_typeck::check::typeck::h7936b5f86fffb913 [INFO] [stderr] 57: 0x7f7d5cb3dabe - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::typeck>::compute::hcea92138ac9e28bb [INFO] [stderr] 58: 0x7f7d5cb07777 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h2605dda46e394e9a [INFO] [stderr] 59: 0x7f7d5ca81b61 - rustc_data_structures::stack::ensure_sufficient_stack::hefd48e3d1b00a42f [INFO] [stderr] 60: 0x7f7d5c972459 - rustc_query_system::query::plumbing::get_query_impl::h3a9e7fcf130ad31d [INFO] [stderr] 61: 0x7f7d5c9de52d - rustc_query_system::query::plumbing::ensure_query_impl::h7982f7a407c81650 [INFO] [stderr] 62: 0x7f7d5cc60c66 - rustc_typeck::check::typeck_item_bodies::h64dc12efcaea9221 [INFO] [stderr] 63: 0x7f7d5caf426e - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::typeck_item_bodies>::compute::h9834b15ef9ab2a9b [INFO] [stderr] 64: 0x7f7d5cb13987 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::ha57625619acaac80 [INFO] [stderr] 65: 0x7f7d5ca7d664 - rustc_data_structures::stack::ensure_sufficient_stack::h9c1970be50e3794d [INFO] [stderr] 66: 0x7f7d5c962055 - rustc_query_system::query::plumbing::get_query_impl::h086a494db0b3fd1b [INFO] [stderr] 67: 0x7f7d5cb5cfa3 - rustc_typeck::check_crate::h19e2dfbdd8ea5557 [INFO] [stderr] 68: 0x7f7d5c11efb0 - rustc_interface::passes::analysis::hf34e525a2b31f7c0 [INFO] [stderr] 69: 0x7f7d5be5b56b - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::analysis>::compute::h23cb841af51f0584 [INFO] [stderr] 70: 0x7f7d5bef9847 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h7178e9f1ddee6943 [INFO] [stderr] 71: 0x7f7d5bef4bcf - rustc_middle::ty::query::plumbing::::start_query::{{closure}}::{{closure}}::{{closure}}::h4025824db8759ceb [INFO] [stderr] 72: 0x7f7d5be86700 - rustc_query_system::query::plumbing::get_query_impl::h29928f066778d4c4 [INFO] [stderr] 73: 0x7f7d5be5d91b - rustc_interface::passes::QueryContext::enter::h0705343d8e4a95be [INFO] [stderr] 74: 0x7f7d5bef6c92 - rustc_interface::queries::::enter::h6eb07f11eba80bd6 [INFO] [stderr] 75: 0x7f7d5bebda92 - rustc_span::with_source_map::h3820d41b3a036910 [INFO] [stderr] 76: 0x7f7d5bef81b2 - rustc_interface::interface::create_compiler_and_run::h08ad396f4e7721e0 [INFO] [stderr] 77: 0x7f7d5bee054a - scoped_tls::ScopedKey::set::hd425a36fbe06985e [INFO] [stderr] 78: 0x7f7d5befd1a5 - std::sys_common::backtrace::__rust_begin_short_backtrace::h23925571219dbc63 [INFO] [stderr] 79: 0x7f7d5be7abbe - core::ops::function::FnOnce::call_once{{vtable.shim}}::h43b61b9af30b3669 [INFO] [stderr] 80: 0x7f7d5b62221a - as core::ops::function::FnOnce>::call_once::h88864ee659ddb161 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/alloc/src/boxed.rs:1042:9 [INFO] [stderr] 81: 0x7f7d5b62221a - as core::ops::function::FnOnce>::call_once::h9f03cbdc7ab33431 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/alloc/src/boxed.rs:1042:9 [INFO] [stderr] 82: 0x7f7d5b62221a - std::sys::unix::thread::Thread::new::thread_start::h5979dd5560a11418 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys/unix/thread.rs:89:17 [INFO] [stderr] 83: 0x7f7d5b53d609 - start_thread [INFO] [stderr] 84: 0x7f7d5b451103 - clone [INFO] [stderr] 85: 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 (ff044a3d6 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@src/main.rs:33:14: 33:37]: std::clone::Clone` [INFO] [stderr] #1 [typeck] type-checking `main` [INFO] [stderr] #2 [typeck] type-checking `main::{closure#0}` [INFO] [stderr] #3 [typeck_item_bodies] type-checking all item bodies [INFO] [stderr] #4 [analysis] running analysis passes on this crate [INFO] [stderr] end of query stack [INFO] [stdout] error: internal compiler error: compiler/rustc_middle/src/ty/sty.rs:2150:18: tuple_fields called on non-tuple [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] thread 'rustc' panicked at 'Box', compiler/rustc_errors/src/lib.rs:945:9 [INFO] [stderr] stack backtrace: [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0412, E0425, E0583. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0412`. [INFO] [stdout] [INFO] [stderr] 0: 0x7fc386066a20 - std::backtrace_rs::backtrace::libunwind::trace::h303a626d53553a64 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5 [INFO] [stderr] 1: 0x7fc386066a20 - std::backtrace_rs::backtrace::trace_unsynchronized::h6abb882733c3f18c [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x7fc386066a20 - std::sys_common::backtrace::_print_fmt::h57829321f1d9217a [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x7fc386066a20 - ::fmt::h400b66a054640aac [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x7fc3860d5e9c - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/core/src/fmt/mod.rs:1076:17 [INFO] [stderr] 5: 0x7fc386058642 - std::io::Write::write_fmt::h6453b28c8b27c6ea [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/io/mod.rs:1516:15 [INFO] [stderr] 6: 0x7fc38606b9d5 - std::sys_common::backtrace::_print::h15cc4b3923cc9bc0 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x7fc38606b9d5 - std::sys_common::backtrace::print::h953c7be178c0674d [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x7fc38606b9d5 - std::panicking::default_hook::{{closure}}::h635d667f571198f0 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x7fc38606b678 - std::panicking::default_hook::h3bc2efb48060abaa [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:227:9 [INFO] [stderr] error: could not compile `exmicro` [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] 10: 0x7fc386934e08 - rustc_driver::report_ice::hbf1325c7565687ba [INFO] [stderr] 11: 0x7fc37811dc56 - as core::ops::function::Fn>::call::h70ce49fd8fb7cda3 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/alloc/src/boxed.rs:1056:9 [INFO] [stderr] 12: 0x7fc37812113b - proc_macro::bridge::client::::enter::{{closure}}::{{closure}}::hd09a0e3f7463510b [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/proc_macro/src/bridge/client.rs:320:21 [INFO] [stderr] 13: 0x7fc38606c216 - std::panicking::rust_panic_with_hook::h887eb0c89f46b8b2 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:581:17 [INFO] [stderr] 14: 0x7fc3898d6cbd - std::panicking::begin_panic::{{closure}}::hc1d905d2374ce0cc [INFO] [stderr] 15: 0x7fc3898d6bc6 - std::sys_common::backtrace::__rust_end_short_backtrace::ha1feaa73cb1e05ce [INFO] [stderr] 16: 0x7fc3898d6c2f - std::panicking::begin_panic::h09616460625efa25 [INFO] [stderr] 17: 0x7fc38990d610 - rustc_errors::HandlerInner::bug::hbb6554bd4fbc8852 [INFO] [stderr] 18: 0x7fc38990c0f0 - rustc_errors::Handler::bug::h4feefeec7bb726ca [INFO] [stderr] 19: 0x7fc3893f4ea4 - rustc_middle::util::bug::opt_span_bug_fmt::{{closure}}::h22b92ed7b73b8340 [INFO] [stderr] 20: 0x7fc3893f474b - rustc_middle::ty::context::tls::with_opt::{{closure}}::h32bfd9cf0b0a9393 [INFO] [stderr] 21: 0x7fc3893f46f2 - rustc_middle::ty::context::tls::with_opt::h762464f893de2d96 [INFO] [stderr] 22: 0x7fc3893f4dc9 - rustc_middle::util::bug::opt_span_bug_fmt::h05648c19bbf99518 [INFO] [stderr] 23: 0x7fc3893f4d3e - rustc_middle::util::bug::bug_fmt::h5d4f7ed12a8f1d0d [INFO] [stderr] 24: 0x7fc38949abc6 - rustc_middle::ty::sty::::tuple_fields::hdc3dc0e1875e99ff [INFO] [stderr] 25: 0x7fc388c91e78 - rustc_trait_selection::traits::select::SelectionContext::copy_clone_conditions::h8ff43f065f427a31 [INFO] [stderr] 26: 0x7fc388c8d3d1 - rustc_trait_selection::traits::select::candidate_assembly::::assemble_candidates::h7f604d35beab439e [INFO] [stderr] 27: 0x7fc388c8b7cd - rustc_trait_selection::traits::select::candidate_assembly::::candidate_from_obligation_no_cache::h05f8c5b45c5e08a2 [INFO] [stderr] 28: 0x7fc388c9c309 - rustc_query_system::dep_graph::graph::DepGraph::with_anon_task::h44ec985a7770338d [INFO] [stderr] 29: 0x7fc388c93762 - rustc_trait_selection::traits::select::candidate_assembly::::candidate_from_obligation::he84ed255728ad44e [INFO] [stderr] 30: 0x7fc388c90393 - rustc_trait_selection::traits::select::SelectionContext::evaluate_stack::h06e7ee3234d676cd [INFO] [stderr] 31: 0x7fc388ca1260 - rustc_query_system::dep_graph::graph::DepGraph::with_anon_task::hf442492fe7988b09 [INFO] [stderr] 32: 0x7fc388c8f974 - rustc_trait_selection::traits::select::SelectionContext::evaluate_trait_predicate_recursively::hb38f849d34368217 [INFO] [stderr] 33: 0x7fc388e578b6 - rustc_trait_selection::traits::select::SelectionContext::evaluate_predicate_recursively::{{closure}}::ha75a9cb68e9796c1 [INFO] [stderr] 34: 0x7fc388c99c6e - rustc_trait_selection::traits::select::SelectionContext::evaluate_predicate_recursively::h08dd972328f720e7 [INFO] [stderr] 35: 0x7fc388c5f544 - rustc_infer::infer::InferCtxt::probe::hf13a54a708ad210c [INFO] [stderr] 36: 0x7fc388c8ef70 - rustc_trait_selection::traits::select::SelectionContext::evaluate_root_obligation::h954c58efaae55e17 [INFO] [stderr] 37: 0x7fc387009e96 - rustc_infer::infer::InferCtxtBuilder::enter_with_canonical::hdbc417ca7d0d6c33 [INFO] [stderr] 38: 0x7fc38707591b - rustc_traits::evaluate_obligation::evaluate_obligation::h6ad149b3038f3f29 [INFO] [stderr] 39: 0x7fc388c6522d - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::evaluate_obligation>::compute::hb3df2fb3e496fc5e [INFO] [stderr] 40: 0x7fc388cb0ae9 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::heacdf35d72b91e29 [INFO] [stderr] 41: 0x7fc388e1bb60 - rustc_middle::ty::query::plumbing::::start_query::{{closure}}::{{closure}}::{{closure}}::h1335e7ad0f4ea52c [INFO] [stderr] 42: 0x7fc388da739d - rustc_query_system::query::plumbing::get_query_impl::h3957bf19a016f15f [INFO] [stderr] 43: 0x7fc388c8741e - ::evaluate_obligation::hd3c48f874d2c435f [INFO] [stderr] 44: 0x7fc388c874bd - ::evaluate_obligation_no_overflow::h888ee85cdb54e495 [INFO] [stderr] 45: 0x7fc388d9abd0 - rustc_trait_selection::traits::fulfill::FulfillProcessor::process_trait_obligation::h9f96ce64cbecfcf4 [INFO] [stderr] 46: 0x7fc388d99e72 - rustc_trait_selection::traits::fulfill::FulfillProcessor::progress_changed_obligations::h2020dfafb477c00f [INFO] [stderr] 47: 0x7fc388e270c9 - rustc_data_structures::obligation_forest::ObligationForest::process_obligations::h1d11017f52bfdd95 [INFO] [stderr] 48: 0x7fc388d99174 - ::select_where_possible::hf96074721833b16c [INFO] [stderr] 49: 0x7fc3873861b4 - rustc_typeck::check::fn_ctxt::_impl::::select_obligations_where_possible::h5a7844f4370dc933 [INFO] [stderr] 50: 0x7fc3875fea27 - rustc_infer::infer::InferCtxtBuilder::enter::h6881f9376e4471a9 [INFO] [stderr] 51: 0x7fc3876b5288 - rustc_typeck::check::typeck::h7936b5f86fffb913 [INFO] [stderr] 52: 0x7fc387689a5e - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::typeck>::compute::hcea92138ac9e28bb [INFO] [stderr] 53: 0x7fc387560777 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h2605dda46e394e9a [INFO] [stderr] 54: 0x7fc3874dab61 - rustc_data_structures::stack::ensure_sufficient_stack::hefd48e3d1b00a42f [INFO] [stderr] 55: 0x7fc3873cb459 - rustc_query_system::query::plumbing::get_query_impl::h3a9e7fcf130ad31d [INFO] [stderr] 56: 0x7fc3876b53db - rustc_typeck::check::typeck::h7936b5f86fffb913 [INFO] [stderr] 57: 0x7fc387596abe - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::typeck>::compute::hcea92138ac9e28bb [INFO] [stderr] 58: 0x7fc387560777 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h2605dda46e394e9a [INFO] [stderr] 59: 0x7fc3874dab61 - rustc_data_structures::stack::ensure_sufficient_stack::hefd48e3d1b00a42f [INFO] [stderr] 60: 0x7fc3873cb459 - rustc_query_system::query::plumbing::get_query_impl::h3a9e7fcf130ad31d [INFO] [stderr] 61: 0x7fc38743752d - rustc_query_system::query::plumbing::ensure_query_impl::h7982f7a407c81650 [INFO] [stderr] 62: 0x7fc3876b9c66 - rustc_typeck::check::typeck_item_bodies::h64dc12efcaea9221 [INFO] [stderr] 63: 0x7fc38754d26e - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::typeck_item_bodies>::compute::h9834b15ef9ab2a9b [INFO] [stderr] 64: 0x7fc38756c987 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::ha57625619acaac80 [INFO] [stderr] 65: 0x7fc3874d6664 - rustc_data_structures::stack::ensure_sufficient_stack::h9c1970be50e3794d [INFO] [stderr] 66: 0x7fc3873bb055 - rustc_query_system::query::plumbing::get_query_impl::h086a494db0b3fd1b [INFO] [stderr] 67: 0x7fc3875b5fa3 - rustc_typeck::check_crate::h19e2dfbdd8ea5557 [INFO] [stderr] 68: 0x7fc386b77fb0 - rustc_interface::passes::analysis::hf34e525a2b31f7c0 [INFO] [stderr] 69: 0x7fc3868b456b - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::analysis>::compute::h23cb841af51f0584 [INFO] [stderr] 70: 0x7fc386952847 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h7178e9f1ddee6943 [INFO] [stderr] 71: 0x7fc38694dbcf - rustc_middle::ty::query::plumbing::::start_query::{{closure}}::{{closure}}::{{closure}}::h4025824db8759ceb [INFO] [stderr] 72: 0x7fc3868df700 - rustc_query_system::query::plumbing::get_query_impl::h29928f066778d4c4 [INFO] [stderr] 73: 0x7fc3868b691b - rustc_interface::passes::QueryContext::enter::h0705343d8e4a95be [INFO] [stderr] 74: 0x7fc38694fc92 - rustc_interface::queries::::enter::h6eb07f11eba80bd6 [INFO] [stderr] 75: 0x7fc386916a92 - rustc_span::with_source_map::h3820d41b3a036910 [INFO] [stderr] 76: 0x7fc3869511b2 - rustc_interface::interface::create_compiler_and_run::h08ad396f4e7721e0 [INFO] [stderr] 77: 0x7fc38693954a - scoped_tls::ScopedKey::set::hd425a36fbe06985e [INFO] [stderr] 78: 0x7fc3869561a5 - std::sys_common::backtrace::__rust_begin_short_backtrace::h23925571219dbc63 [INFO] [stderr] 79: 0x7fc3868d3bbe - core::ops::function::FnOnce::call_once{{vtable.shim}}::h43b61b9af30b3669 [INFO] [stderr] 80: 0x7fc38607b21a - as core::ops::function::FnOnce>::call_once::h88864ee659ddb161 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/alloc/src/boxed.rs:1042:9 [INFO] [stderr] 81: 0x7fc38607b21a - as core::ops::function::FnOnce>::call_once::h9f03cbdc7ab33431 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/alloc/src/boxed.rs:1042:9 [INFO] [stderr] 82: 0x7fc38607b21a - std::sys::unix::thread::Thread::new::thread_start::h5979dd5560a11418 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys/unix/thread.rs:89:17 [INFO] [stderr] 83: 0x7fc385f96609 - start_thread [INFO] [stderr] 84: 0x7fc385eaa103 - clone [INFO] [stderr] 85: 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 (ff044a3d6 2020-10-24) 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:33:14: 33:37]: std::clone::Clone` [INFO] [stderr] #1 [typeck] type-checking `main` [INFO] [stderr] #2 [typeck] type-checking `main::{closure#0}` [INFO] [stderr] #3 [typeck_item_bodies] type-checking all item bodies [INFO] [stderr] #4 [analysis] running analysis passes on this crate [INFO] [stderr] end of query stack [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0412, E0425, E0583. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0412`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "c52616597d87301bb031a126507aaaaebd1dc8212a65dc391f8cb5af3bcf7f1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c52616597d87301bb031a126507aaaaebd1dc8212a65dc391f8cb5af3bcf7f1c", kill_on_drop: false }` [INFO] [stdout] c52616597d87301bb031a126507aaaaebd1dc8212a65dc391f8cb5af3bcf7f1c