[INFO] cloning repository https://github.com/szagi3891/rust_async_timer_error [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/szagi3891/rust_async_timer_error" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fszagi3891%2Frust_async_timer_error", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fszagi3891%2Frust_async_timer_error'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7e7c0ead4e732b0ff53bd5b56c16522bf92365c1 [INFO] checking szagi3891/rust_async_timer_error against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fszagi3891%2Frust_async_timer_error" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/szagi3891/rust_async_timer_error on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/szagi3891/rust_async_timer_error [INFO] finished tweaking git repo https://github.com/szagi3891/rust_async_timer_error [INFO] tweaked toml for git repo https://github.com/szagi3891/rust_async_timer_error written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/szagi3891/rust_async_timer_error already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "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" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0d21b394cb1959d7d53031184a989d998e3ca3bfc5240936f3f57001cbbafa34 [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" "0d21b394cb1959d7d53031184a989d998e3ca3bfc5240936f3f57001cbbafa34", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0d21b394cb1959d7d53031184a989d998e3ca3bfc5240936f3f57001cbbafa34", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d21b394cb1959d7d53031184a989d998e3ca3bfc5240936f3f57001cbbafa34", kill_on_drop: false }` [INFO] [stdout] 0d21b394cb1959d7d53031184a989d998e3ca3bfc5240936f3f57001cbbafa34 [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" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "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] d9225f3fabfebf7bca009ce28ebc86c945d9a02e688b88e0ce5f6614a229bb69 [INFO] running `Command { std: "docker" "start" "-a" "d9225f3fabfebf7bca009ce28ebc86c945d9a02e688b88e0ce5f6614a229bb69", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking futures-core-preview v0.3.0-alpha.17 [INFO] [stderr] Checking spin v0.5.1 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking futures-io-preview v0.3.0-alpha.17 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Checking tokio-executor v0.2.0-alpha.1 [INFO] [stderr] Checking smallvec v0.6.10 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking arrayvec v0.4.11 [INFO] [stderr] Checking lock_api v0.3.1 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking futures-sink-preview v0.3.0-alpha.17 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking tracing-core v0.1.5 [INFO] [stderr] Checking futures-channel-preview v0.3.0-alpha.17 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking async-task v1.0.0 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.17 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking tokio-current-thread v0.2.0-alpha.1 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking tokio-io v0.2.0-alpha.1 [INFO] [stderr] Checking tokio-codec v0.2.0-alpha.1 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tokio-sync v0.2.0-alpha.1 [INFO] [stderr] Checking futures-executor-preview v0.3.0-alpha.17 [INFO] [stderr] Checking futures-preview v0.3.0-alpha.17 [INFO] [stderr] Checking futures-timer v0.3.0 [INFO] [stderr] Checking tokio-reactor v0.2.0-alpha.1 [INFO] [stderr] Checking tokio-threadpool v0.2.0-alpha.1 [INFO] [stderr] Checking tokio-timer v0.3.0-alpha.1 [INFO] [stderr] Checking async-std v0.99.3 [INFO] [stderr] Checking tokio-tcp v0.2.0-alpha.1 [INFO] [stderr] Checking tokio-uds v0.3.0-alpha.1 [INFO] [stderr] Checking tokio-udp v0.2.0-alpha.1 [INFO] [stderr] Checking tokio-fs v0.2.0-alpha.1 [INFO] [stderr] Compiling tokio-macros v0.2.0-alpha.1 [INFO] [stderr] Checking tokio v0.2.0-alpha.1 [INFO] [stderr] Checking async_rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0432]: unresolved import `serde` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use serde::{Deserialize, Serialize}; [INFO] [stdout] | ^^^^^ use of undeclared crate or module `serde` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `surf` [INFO] [stdout] --> src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use surf; [INFO] [stdout] | ^^^^ no external crate `surf` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot determine resolution for the derive macro `Deserialize` [INFO] [stdout] --> src/main.rs:31:10 [INFO] [stdout] | [INFO] [stdout] 31 | #[derive(Deserialize, Serialize)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: import resolution is stuck, try simplifying macro imports [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot determine resolution for the derive macro `Serialize` [INFO] [stdout] --> src/main.rs:31:23 [INFO] [stdout] | [INFO] [stdout] 31 | #[derive(Deserialize, Serialize)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: import resolution is stuck, try simplifying macro imports [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `serde` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use serde::{Deserialize, Serialize}; [INFO] [stdout] | ^^^^^ use of undeclared crate or module `serde` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `surf` [INFO] [stdout] --> src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use surf; [INFO] [stdout] | ^^^^ no external crate `surf` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot determine resolution for the derive macro `Deserialize` [INFO] [stdout] --> src/main.rs:31:10 [INFO] [stdout] | [INFO] [stdout] 31 | #[derive(Deserialize, Serialize)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: import resolution is stuck, try simplifying macro imports [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot determine resolution for the derive macro `Serialize` [INFO] [stdout] --> src/main.rs:31:23 [INFO] [stdout] | [INFO] [stdout] 31 | #[derive(Deserialize, Serialize)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: import resolution is stuck, try simplifying macro imports [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Runtime` [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | Runtime [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::prelude::*` [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use tokio::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Runtime` [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | Runtime [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::prelude::*` [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use tokio::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [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] [stdout] error: internal compiler error: compiler/rustc_middle/src/ty/sty.rs:2150:18: tuple_fields called on non-tuple [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] thread 'rustc' panicked at 'Box', compiler/rustc_errors/src/lib.rs:945:9 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7fed7e985bb0 - std::backtrace_rs::backtrace::libunwind::trace::h448c56741b6011d3 [INFO] [stderr] 0: 0x7f93b509fbb0 - std::backtrace_rs::backtrace::libunwind::trace::h448c56741b6011d3 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5 [INFO] [stderr] 1: 0x7f93b509fbb0 - std::backtrace_rs::backtrace::trace_unsynchronized::h881b9d30a8a89a0c [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x7f93b509fbb0 - std::sys_common::backtrace::_print_fmt::h720a2f61f75b9f58 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 1: 0x7fed7e985bb0 - std::backtrace_rs::backtrace::trace_unsynchronized::h881b9d30a8a89a0c [INFO] [stderr] 3: 0x7f93b509fbb0 - ::fmt::h8d62bbfda6d5c836 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x7fed7e985bb0 - std::sys_common::backtrace::_print_fmt::h720a2f61f75b9f58 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x7fed7e985bb0 - ::fmt::h8d62bbfda6d5c836 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x7f93b510fb7c - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/core/src/fmt/mod.rs:1076:17 [INFO] [stderr] 5: 0x7f93b5091812 - std::io::Write::write_fmt::h16a9fe7680ac245c [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/io/mod.rs:1516:15 [INFO] [stderr] 6: 0x7f93b50a4b65 - std::sys_common::backtrace::_print::h9ba51a6db618de7d [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x7f93b50a4b65 - std::sys_common::backtrace::print::h5f20e41c85e91716 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x7f93b50a4b65 - std::panicking::default_hook::{{closure}}::h8d48653392f3b04c [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x7f93b50a4808 - std::panicking::default_hook::hb3948d1f74b6ff4c [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panicking.rs:227:9 [INFO] [stderr] 4: 0x7fed7e9f5b7c - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/core/src/fmt/mod.rs:1076:17 [INFO] [stderr] 5: 0x7fed7e977812 - std::io::Write::write_fmt::h16a9fe7680ac245c [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/io/mod.rs:1516:15 [INFO] [stderr] 6: 0x7fed7e98ab65 - std::sys_common::backtrace::_print::h9ba51a6db618de7d [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x7fed7e98ab65 - std::sys_common::backtrace::print::h5f20e41c85e91716 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x7fed7e98ab65 - std::panicking::default_hook::{{closure}}::h8d48653392f3b04c [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x7fed7e98a808 - std::panicking::default_hook::hb3948d1f74b6ff4c [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panicking.rs:227:9 [INFO] [stderr] 10: 0x7f93b596bbb8 - rustc_driver::report_ice::h1ddbc5609a6e1f37 [INFO] [stderr] 11: 0x7f93b50a5466 - std::panicking::rust_panic_with_hook::h55d23fef0ad751bc [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panicking.rs:597:17 [INFO] [stderr] 10: 0x7fed7f251bb8 - rustc_driver::report_ice::h1ddbc5609a6e1f37 [INFO] [stderr] 11: 0x7fed7e98b466 - std::panicking::rust_panic_with_hook::h55d23fef0ad751bc [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panicking.rs:597:17 [INFO] [stderr] 12: 0x7f93b8981a2d - std::panicking::begin_panic::{{closure}}::h4b123e1d8e3ae463 [INFO] [stderr] 12: 0x7fed82267a2d - std::panicking::begin_panic::{{closure}}::h4b123e1d8e3ae463 [INFO] [stderr] 13: 0x7fed82267966 - std::sys_common::backtrace::__rust_end_short_backtrace::ha21fec08f03d728b [INFO] [stderr] 13: 0x7f93b8981966 - std::sys_common::backtrace::__rust_end_short_backtrace::ha21fec08f03d728b [INFO] [stderr] 14: 0x7f93b89819ff - std::panicking::begin_panic::hc0c81fab1e0acd00 [INFO] [stderr] 14: 0x7fed822679ff - std::panicking::begin_panic::hc0c81fab1e0acd00 [INFO] [stderr] 15: 0x7f93b8993960 - rustc_errors::HandlerInner::bug::h26f9bc1a7147687e [INFO] [stderr] 15: 0x7fed82279960 - rustc_errors::HandlerInner::bug::h26f9bc1a7147687e [INFO] [stderr] 16: 0x7f93b89924b0 - rustc_errors::Handler::bug::h2149bffe74600666 [INFO] [stderr] 16: 0x7fed822784b0 - rustc_errors::Handler::bug::h2149bffe74600666 [INFO] [stderr] 17: 0x7fed81cd6d14 - rustc_middle::util::bug::opt_span_bug_fmt::{{closure}}::hb4ddd0d3902006f3 [INFO] [stderr] 17: 0x7f93b83f0d14 - rustc_middle::util::bug::opt_span_bug_fmt::{{closure}}::hb4ddd0d3902006f3 [INFO] [stderr] 18: 0x7fed81cd054b - rustc_middle::ty::context::tls::with_opt::{{closure}}::ha7f81bc36cab3c9f [INFO] [stderr] 19: 0x7fed81ccff02 - rustc_middle::ty::context::tls::with_opt::hf0c2c2aff96e53ba [INFO] [stderr] 20: 0x7fed81cd6c39 - rustc_middle::util::bug::opt_span_bug_fmt::hc7cbb029c2646db9 [INFO] [stderr] 18: 0x7f93b83ea54b - rustc_middle::ty::context::tls::with_opt::{{closure}}::ha7f81bc36cab3c9f [INFO] [stderr] 19: 0x7f93b83e9f02 - rustc_middle::ty::context::tls::with_opt::hf0c2c2aff96e53ba [INFO] [stderr] 21: 0x7fed81cd6bae - rustc_middle::util::bug::bug_fmt::hb51c412c48cda8bb [INFO] [stderr] 20: 0x7f93b83f0c39 - rustc_middle::util::bug::opt_span_bug_fmt::hc7cbb029c2646db9 [INFO] [stderr] 21: 0x7f93b83f0bae - rustc_middle::util::bug::bug_fmt::hb51c412c48cda8bb [INFO] [stderr] 22: 0x7fed81df6c76 - rustc_middle::ty::sty::::tuple_fields::hcffd66056c4b0b40 [INFO] [stderr] 22: 0x7f93b8510c76 - rustc_middle::ty::sty::::tuple_fields::hcffd66056c4b0b40 [INFO] [stderr] 23: 0x7f93b657b9f2 - as rustc_middle::ty::fold::TypeVisitor>::visit_ty::h36f2c47dfedcd659 [INFO] [stderr] 23: 0x7fed7fe619f2 - as rustc_middle::ty::fold::TypeVisitor>::visit_ty::h36f2c47dfedcd659 [INFO] [stderr] 24: 0x7fed7fe5a282 - rustc_middle::ty::fold::TypeFoldable::visit_with::h5ca1817ee3140614 [INFO] [stderr] 24: 0x7f93b6574282 - rustc_middle::ty::fold::TypeFoldable::visit_with::h5ca1817ee3140614 [INFO] [stderr] 25: 0x7f93b6659f6d - rustc_middle::ty::structural_impls::::super_visit_with::h39599dad76853ebf [INFO] [stderr] 25: 0x7fed7ff3ff6d - rustc_middle::ty::structural_impls::::super_visit_with::h39599dad76853ebf [INFO] [stderr] 26: 0x7fed7fe61b3b - as rustc_middle::ty::fold::TypeVisitor>::visit_ty::h36f2c47dfedcd659 [INFO] [stderr] 26: 0x7f93b657bb3b - as rustc_middle::ty::fold::TypeVisitor>::visit_ty::h36f2c47dfedcd659 [INFO] [stderr] 27: 0x7f93b664c3ac - ::constrain_opaque_types::hab138566e73be5c9 [INFO] [stderr] 27: 0x7fed7ff323ac - ::constrain_opaque_types::hab138566e73be5c9 [INFO] [stderr] 28: 0x7fed7fec04ee - rustc_typeck::check::regionck::RegionCtxt::visit_fn_body::hb64f93f9cf3f4782 [INFO] [stderr] 28: 0x7f93b65da4ee - rustc_typeck::check::regionck::RegionCtxt::visit_fn_body::hb64f93f9cf3f4782 [INFO] [stderr] 29: 0x7fed7fe48280 - rustc_hir::intravisit::walk_expr::hc562cd94d7da8620 [INFO] [stderr] 30: 0x7fed7fec19fd - ::visit_expr::h240b42f1a6404fa9 [INFO] [stderr] 31: 0x7fed7fe4802d - rustc_hir::intravisit::walk_expr::hc562cd94d7da8620 [INFO] [stderr] 32: 0x7fed7fec19fd - ::visit_expr::h240b42f1a6404fa9 [INFO] [stderr] 29: 0x7f93b6562280 - rustc_hir::intravisit::walk_expr::hc562cd94d7da8620 [INFO] [stderr] 33: 0x7fed7fec049d - rustc_typeck::check::regionck::RegionCtxt::visit_fn_body::hb64f93f9cf3f4782 [INFO] [stderr] 30: 0x7f93b65db9fd - ::visit_expr::h240b42f1a6404fa9 [INFO] [stderr] 31: 0x7f93b656202d - rustc_hir::intravisit::walk_expr::hc562cd94d7da8620 [INFO] [stderr] 32: 0x7f93b65db9fd - ::visit_expr::h240b42f1a6404fa9 [INFO] [stderr] 34: 0x7fed7fcc3dd4 - rustc_typeck::check::regionck::::regionck_fn::hd133f518695bcca2 [INFO] [stderr] 33: 0x7f93b65da49d - rustc_typeck::check::regionck::RegionCtxt::visit_fn_body::hb64f93f9cf3f4782 [INFO] [stderr] 35: 0x7fed7ff0985d - rustc_infer::infer::InferCtxtBuilder::enter::h33c2ca6d940255f7 [INFO] [stderr] 34: 0x7f93b63dddd4 - rustc_typeck::check::regionck::::regionck_fn::hd133f518695bcca2 [INFO] [stderr] 35: 0x7f93b662385d - rustc_infer::infer::InferCtxtBuilder::enter::h33c2ca6d940255f7 [INFO] [stderr] 36: 0x7f93b66bb0e8 - rustc_typeck::check::typeck::hf5dca34d9f9397ea [INFO] [stderr] 36: 0x7fed7ffa10e8 - rustc_typeck::check::typeck::hf5dca34d9f9397ea [INFO] [stderr] 37: 0x7f93b881b2f5 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h0072f21e8e447059 [INFO] [stderr] 37: 0x7fed821012f5 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h0072f21e8e447059 [INFO] [stderr] 38: 0x7f93b841b214 - rustc_data_structures::stack::ensure_sufficient_stack::hd8fdee1b26a97891 [INFO] [stderr] 38: 0x7fed81d01214 - rustc_data_structures::stack::ensure_sufficient_stack::hd8fdee1b26a97891 [INFO] [stderr] 39: 0x7f93b8215ce0 - rustc_query_system::query::plumbing::get_query_impl::hf7888d9f4b4fbdcb [INFO] [stderr] 40: 0x7f93b84fa867 - rustc_middle::ty::context::TyCtxt::typeck_opt_const_arg::hc98b98b6c2aad945 [INFO] [stderr] 39: 0x7fed81afbce0 - rustc_query_system::query::plumbing::get_query_impl::hf7888d9f4b4fbdcb [INFO] [stderr] 40: 0x7fed81de0867 - rustc_middle::ty::context::TyCtxt::typeck_opt_const_arg::hc98b98b6c2aad945 [INFO] [stderr] 41: 0x7f93b6bb3278 - rustc_mir_build::thir::cx::Cx::new::h4d9a82915242024f [INFO] [stderr] 41: 0x7fed80499278 - rustc_mir_build::thir::cx::Cx::new::h4d9a82915242024f [INFO] [stderr] 42: 0x7f93b6b48388 - rustc_infer::infer::InferCtxtBuilder::enter::h823143272867901f [INFO] [stderr] 43: 0x7f93b6ab7403 - rustc_mir_build::build::mir_built::h5c8fe902d38465cf [INFO] [stderr] 42: 0x7fed8042e388 - rustc_infer::infer::InferCtxtBuilder::enter::h823143272867901f [INFO] [stderr] 43: 0x7fed8039d403 - rustc_mir_build::build::mir_built::h5c8fe902d38465cf [INFO] [stderr] 44: 0x7f93b710da31 - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::mir_built>::compute::h2148015e1ad65661 [INFO] [stderr] 44: 0x7fed809f3a31 - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::mir_built>::compute::h2148015e1ad65661 [INFO] [stderr] 45: 0x7fed808a0682 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h3aef73c0448805b5 [INFO] [stderr] 45: 0x7f93b6fba682 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h3aef73c0448805b5 [INFO] [stderr] 46: 0x7fed808be767 - rustc_data_structures::stack::ensure_sufficient_stack::h48c0ef815b10a862 [INFO] [stderr] 46: 0x7f93b6fd8767 - rustc_data_structures::stack::ensure_sufficient_stack::h48c0ef815b10a862 [INFO] [stderr] 47: 0x7f93b6e0540b - rustc_query_system::query::plumbing::get_query_impl::hc2f0db5c729e4ac5 [INFO] [stderr] 47: 0x7fed806eb40b - rustc_query_system::query::plumbing::get_query_impl::hc2f0db5c729e4ac5 [INFO] [stderr] 48: 0x7f93b713f05f - rustc_mir::transform::check_unsafety::unsafety_check_result::hde16db30f1dda2cd [INFO] [stderr] 48: 0x7fed80a2505f - rustc_mir::transform::check_unsafety::unsafety_check_result::hde16db30f1dda2cd [INFO] [stderr] 49: 0x7fed80a026d5 - core::ops::function::FnOnce::call_once::heb1c8f23fdac986e [INFO] [stderr] 49: 0x7f93b711c6d5 - core::ops::function::FnOnce::call_once::heb1c8f23fdac986e [INFO] [stderr] 50: 0x7fed809f4b5e - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::unsafety_check_result>::compute::h447b3165463783c9 [INFO] [stderr] 50: 0x7f93b710eb5e - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::unsafety_check_result>::compute::h447b3165463783c9 [INFO] [stderr] 51: 0x7fed808a9897 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h771545ad11e25583 [INFO] [stderr] 51: 0x7f93b6fc3897 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h771545ad11e25583 [INFO] [stderr] 52: 0x7fed808bbb21 - rustc_data_structures::stack::ensure_sufficient_stack::h255c369e246ea8b6 [INFO] [stderr] 52: 0x7f93b6fd5b21 - rustc_data_structures::stack::ensure_sufficient_stack::h255c369e246ea8b6 [INFO] [stderr] 53: 0x7fed806d1d99 - rustc_query_system::query::plumbing::get_query_impl::h908c573597d466f7 [INFO] [stderr] 53: 0x7f93b6debd99 - rustc_query_system::query::plumbing::get_query_impl::h908c573597d466f7 [INFO] [stderr] 54: 0x7fed80710f3d - rustc_query_system::query::plumbing::ensure_query_impl::hda72f219f8c4aa2b [INFO] [stderr] 54: 0x7f93b6e2af3d - rustc_query_system::query::plumbing::ensure_query_impl::hda72f219f8c4aa2b [INFO] [stderr] 55: 0x7fed80a367cb - rustc_mir::transform::mir_const::h1e24e76478436d5d [INFO] [stderr] 56: 0x7fed809f3b11 - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::mir_const>::compute::hc714828b54c35498 [INFO] [stderr] 57: 0x7fed808a0682 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h3aef73c0448805b5 [INFO] [stderr] 58: 0x7fed808be767 - rustc_data_structures::stack::ensure_sufficient_stack::h48c0ef815b10a862 [INFO] [stderr] 59: 0x7fed806eb40b - rustc_query_system::query::plumbing::get_query_impl::hc2f0db5c729e4ac5 [INFO] [stderr] 55: 0x7f93b71507cb - rustc_mir::transform::mir_const::h1e24e76478436d5d [INFO] [stderr] 60: 0x7fed80a36cee - rustc_mir::transform::mir_promoted::h347a88a41882beb3 [INFO] [stderr] 56: 0x7f93b710db11 - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::mir_const>::compute::hc714828b54c35498 [INFO] [stderr] 61: 0x7fed80a47781 - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::mir_promoted>::compute::h2be1b1a2812453f8 [INFO] [stderr] 57: 0x7f93b6fba682 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h3aef73c0448805b5 [INFO] [stderr] 58: 0x7f93b6fd8767 - rustc_data_structures::stack::ensure_sufficient_stack::h48c0ef815b10a862 [INFO] [stderr] 59: 0x7f93b6e0540b - rustc_query_system::query::plumbing::get_query_impl::hc2f0db5c729e4ac5 [INFO] [stderr] 60: 0x7f93b7150cee - rustc_mir::transform::mir_promoted::h347a88a41882beb3 [INFO] [stderr] 62: 0x7fed8089e74e - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h237e0f5ee06df105 [INFO] [stderr] 63: 0x7fed808c5117 - rustc_data_structures::stack::ensure_sufficient_stack::haf47dad2e9d29dc1 [INFO] [stderr] 64: 0x7fed806c53a3 - rustc_query_system::query::plumbing::get_query_impl::h74a2fb4d4f81bf78 [INFO] [stderr] 65: 0x7fed80a80184 - rustc_mir::borrow_check::mir_borrowck::h6357219ad7113c8d [INFO] [stderr] 66: 0x7fed80a4ef35 - core::ops::function::FnOnce::call_once::h54e1c81aa063f019 [INFO] [stderr] 67: 0x7fed7ff75cee - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::mir_borrowck>::compute::hca7dcb61fb1feb52 [INFO] [stderr] 61: 0x7f93b7161781 - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::mir_promoted>::compute::h2be1b1a2812453f8 [INFO] [stderr] 68: 0x7fed7fe6fce7 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h3b8624e729a2649d [INFO] [stderr] 69: 0x7fed7fde3121 - rustc_data_structures::stack::ensure_sufficient_stack::h8895399c883eebdc [INFO] [stderr] 70: 0x7fed7fd152d9 - rustc_query_system::query::plumbing::get_query_impl::h8a49494f6bfde567 [INFO] [stderr] 62: 0x7f93b6fb874e - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h237e0f5ee06df105 [INFO] [stderr] 71: 0x7fed7ffa8054 - rustc_typeck::collect::type_of::type_of::hed1911eee21c060f [INFO] [stderr] 72: 0x7fed7fd7febf - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::type_of>::compute::hb30f0c811ecdc862 [INFO] [stderr] 73: 0x7fed7fe765c4 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h8caf40725832e907 [INFO] [stderr] 74: 0x7fed7fde7071 - rustc_data_structures::stack::ensure_sufficient_stack::hc349f3c0c1864025 [INFO] [stderr] 75: 0x7fed7fcedb3f - rustc_query_system::query::plumbing::get_query_impl::h40bbcad9976a2974 [INFO] [stderr] 76: 0x7fed7fda14af - rustc_typeck::check::check::check_item_type::h312a9630d2e8583f [INFO] [stderr] 63: 0x7f93b6fdf117 - rustc_data_structures::stack::ensure_sufficient_stack::haf47dad2e9d29dc1 [INFO] [stderr] 64: 0x7f93b6ddf3a3 - rustc_query_system::query::plumbing::get_query_impl::h74a2fb4d4f81bf78 [INFO] [stderr] 77: 0x7fed7fe602b2 - rustc_middle::hir::map::Map::visit_item_likes_in_module::h31031fdbec6686c9 [INFO] [stderr] 65: 0x7f93b719a184 - rustc_mir::borrow_check::mir_borrowck::h6357219ad7113c8d [INFO] [stderr] 78: 0x7fed7fda52ad - rustc_typeck::check::check::check_mod_item_types::h8e5411c090465432 [INFO] [stderr] 66: 0x7f93b7168f35 - core::ops::function::FnOnce::call_once::h54e1c81aa063f019 [INFO] [stderr] 79: 0x7fed7fe5c6ce - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::check_mod_item_types>::compute::h40e3ac4cfb7e03bd [INFO] [stderr] 80: 0x7fed7fe70997 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h433ab8ff9548448b [INFO] [stderr] 81: 0x7fed7fdde714 - rustc_data_structures::stack::ensure_sufficient_stack::h375beaac5c060c07 [INFO] [stderr] 82: 0x7fed7fd126a5 - rustc_query_system::query::plumbing::get_query_impl::h8988d8f0af80ad4b [INFO] [stderr] 83: 0x7fed7fd45a0e - rustc_query_system::query::plumbing::ensure_query_impl::h0a14174df6193467 [INFO] [stderr] 84: 0x7fed7fe62154 - rustc_session::utils::::time::h35dcfd17dbfe14c2 [INFO] [stderr] 85: 0x7fed7fec5bef - rustc_typeck::check_crate::he6ac80d39108f9c5 [INFO] [stderr] 86: 0x7fed7f4a2d9e - rustc_interface::passes::analysis::h78326215bfd650a0 [INFO] [stderr] 87: 0x7fed7f28fa7b - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::analysis>::compute::hf8d4bc54d08537f3 [INFO] [stderr] 88: 0x7fed7f270707 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h6d03accb53ed1239 [INFO] [stderr] 89: 0x7fed7f26d21f - rustc_middle::ty::query::plumbing::::start_query::{{closure}}::{{closure}}::{{closure}}::h947bb326d17d8606 [INFO] [stderr] 90: 0x7fed7f1fa010 - rustc_query_system::query::plumbing::get_query_impl::h448d10ab90370983 [INFO] [stderr] 91: 0x7fed7f2929df - rustc_interface::passes::QueryContext::enter::hbf7a36e966e91449 [INFO] [stderr] 92: 0x7fed7f26e6ae - rustc_interface::queries::::enter::h25b522245624a405 [INFO] [stderr] 93: 0x7fed7f231dbf - rustc_span::with_source_map::h7455fffe3cd153a4 [INFO] [stderr] 94: 0x7fed7f269b91 - scoped_tls::ScopedKey::set::h8ae8151712a551fd [INFO] [stderr] 95: 0x7fed7f273f55 - std::sys_common::backtrace::__rust_begin_short_backtrace::h26de371bc27662fc [INFO] [stderr] 96: 0x7fed7f1f2eee - core::ops::function::FnOnce::call_once{{vtable.shim}}::hd5b48297ec15d5af [INFO] [stderr] 97: 0x7fed7e99a46a - as core::ops::function::FnOnce>::call_once::h1ca3bb61791b1789 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/alloc/src/boxed.rs:1042:9 [INFO] [stderr] 98: 0x7fed7e99a46a - as core::ops::function::FnOnce>::call_once::hd0f9fedfd5cf45f8 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/alloc/src/boxed.rs:1042:9 [INFO] [stderr] 99: 0x7fed7e99a46a - std::sys::unix::thread::Thread::new::thread_start::h35d2b8d36f210d02 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys/unix/thread.rs:89:17 [INFO] [stderr] 100: 0x7fed7e8b5609 - start_thread [INFO] [stderr] 101: 0x7fed7e7c9103 - clone [INFO] [stderr] 102: 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 (430feb24a 2020-10-25) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: -C embed-bitcode=no -C debuginfo=2 --crate-type bin [INFO] [stderr] [INFO] [stderr] note: some of the compiler flags provided by cargo are hidden [INFO] [stderr] [INFO] [stderr] query stack during panic: [INFO] [stderr] 67: 0x7f93b668fcee - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::mir_borrowck>::compute::hca7dcb61fb1feb52 [INFO] [stderr] 68: 0x7f93b6589ce7 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h3b8624e729a2649d [INFO] [stderr] 69: 0x7f93b64fd121 - rustc_data_structures::stack::ensure_sufficient_stack::h8895399c883eebdc [INFO] [stderr] 70: 0x7f93b642f2d9 - rustc_query_system::query::plumbing::get_query_impl::h8a49494f6bfde567 [INFO] [stderr] 71: 0x7f93b66c2054 - rustc_typeck::collect::type_of::type_of::hed1911eee21c060f [INFO] [stderr] 72: 0x7f93b6499ebf - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::type_of>::compute::hb30f0c811ecdc862 [INFO] [stderr] 73: 0x7f93b65905c4 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h8caf40725832e907 [INFO] [stderr] 74: 0x7f93b6501071 - rustc_data_structures::stack::ensure_sufficient_stack::hc349f3c0c1864025 [INFO] [stderr] 75: 0x7f93b6407b3f - rustc_query_system::query::plumbing::get_query_impl::h40bbcad9976a2974 [INFO] [stderr] 76: 0x7f93b64bb4af - rustc_typeck::check::check::check_item_type::h312a9630d2e8583f [INFO] [stderr] 77: 0x7f93b657a2b2 - rustc_middle::hir::map::Map::visit_item_likes_in_module::h31031fdbec6686c9 [INFO] [stderr] 78: 0x7f93b64bf2ad - rustc_typeck::check::check::check_mod_item_types::h8e5411c090465432 [INFO] [stderr] 79: 0x7f93b65766ce - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::check_mod_item_types>::compute::h40e3ac4cfb7e03bd [INFO] [stderr] 80: 0x7f93b658a997 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h433ab8ff9548448b [INFO] [stderr] 81: 0x7f93b64f8714 - rustc_data_structures::stack::ensure_sufficient_stack::h375beaac5c060c07 [INFO] [stderr] 82: 0x7f93b642c6a5 - rustc_query_system::query::plumbing::get_query_impl::h8988d8f0af80ad4b [INFO] [stderr] 83: 0x7f93b645fa0e - rustc_query_system::query::plumbing::ensure_query_impl::h0a14174df6193467 [INFO] [stderr] 84: 0x7f93b657c154 - rustc_session::utils::::time::h35dcfd17dbfe14c2 [INFO] [stderr] 85: 0x7f93b65dfbef - rustc_typeck::check_crate::he6ac80d39108f9c5 [INFO] [stderr] 86: 0x7f93b5bbcd9e - rustc_interface::passes::analysis::h78326215bfd650a0 [INFO] [stderr] 87: 0x7f93b59a9a7b - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::analysis>::compute::hf8d4bc54d08537f3 [INFO] [stderr] 88: 0x7f93b598a707 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h6d03accb53ed1239 [INFO] [stderr] 89: 0x7f93b598721f - rustc_middle::ty::query::plumbing::::start_query::{{closure}}::{{closure}}::{{closure}}::h947bb326d17d8606 [INFO] [stderr] 90: 0x7f93b5914010 - rustc_query_system::query::plumbing::get_query_impl::h448d10ab90370983 [INFO] [stderr] 91: 0x7f93b59ac9df - rustc_interface::passes::QueryContext::enter::hbf7a36e966e91449 [INFO] [stderr] 92: 0x7f93b59886ae - rustc_interface::queries::::enter::h25b522245624a405 [INFO] [stderr] 93: 0x7f93b594bdbf - rustc_span::with_source_map::h7455fffe3cd153a4 [INFO] [stderr] 94: 0x7f93b5983b91 - scoped_tls::ScopedKey::set::h8ae8151712a551fd [INFO] [stderr] 95: 0x7f93b598df55 - std::sys_common::backtrace::__rust_begin_short_backtrace::h26de371bc27662fc [INFO] [stderr] 96: 0x7f93b590ceee - core::ops::function::FnOnce::call_once{{vtable.shim}}::hd5b48297ec15d5af [INFO] [stderr] 97: 0x7f93b50b446a - as core::ops::function::FnOnce>::call_once::h1ca3bb61791b1789 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/alloc/src/boxed.rs:1042:9 [INFO] [stderr] 98: 0x7f93b50b446a - as core::ops::function::FnOnce>::call_once::hd0f9fedfd5cf45f8 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/alloc/src/boxed.rs:1042:9 [INFO] [stderr] 99: 0x7f93b50b446a - std::sys::unix::thread::Thread::new::thread_start::h35d2b8d36f210d02 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys/unix/thread.rs:89:17 [INFO] [stderr] 100: 0x7f93b4fcf609 - start_thread [INFO] [stderr] 101: 0x7f93b4ee3103 - clone [INFO] [stderr] 102: 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 (430feb24a 2020-10-25) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: -C embed-bitcode=no -C debuginfo=2 [INFO] [stderr] [INFO] [stderr] note: some of the compiler flags provided by cargo are hidden [INFO] [stderr] [INFO] [stderr] query stack during panic: [INFO] [stderr] #0 [typeck] type-checking `main2` [INFO] [stderr] #0 [typeck] type-checking `main2` [INFO] [stderr] #1 [mir_built] building MIR for `main2` [INFO] [stderr] #2 [unsafety_check_result] unsafety-checking `main2` [INFO] [stderr] #1 [mir_built] building MIR for `main2` [INFO] [stderr] #2 [unsafety_check_result] unsafety-checking `main2` [INFO] [stderr] #3 [mir_const] processing MIR for `main2` [INFO] [stderr] #3 [mir_const] processing MIR for `main2` [INFO] [stderr] #4 [mir_promoted] processing `main2` [INFO] [stderr] #4 [mir_promoted] processing `main2` [INFO] [stderr] #5 [mir_borrowck] borrow-checking `main2` [INFO] [stderr] #5 [mir_borrowck] borrow-checking `main2` [INFO] [stderr] #6 [type_of] computing type of `main2::{opaque#0}` [INFO] [stderr] #6 [type_of] computing type of `main2::{opaque#0}` [INFO] [stderr] #7 [check_mod_item_types] checking item types in top-level module [INFO] [stderr] #7 [check_mod_item_types] checking item types in top-level module [INFO] [stderr] #8 [analysis] running analysis passes on this crate [INFO] [stderr] #8 [analysis] running analysis passes on this crate [INFO] [stderr] end of query stack [INFO] [stderr] end of query stack [INFO] [stdout] error: aborting due to 5 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0432`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 5 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0432`. [INFO] [stdout] [INFO] [stderr] error: could not compile `async_rs` [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" "d9225f3fabfebf7bca009ce28ebc86c945d9a02e688b88e0ce5f6614a229bb69", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9225f3fabfebf7bca009ce28ebc86c945d9a02e688b88e0ce5f6614a229bb69", kill_on_drop: false }` [INFO] [stdout] d9225f3fabfebf7bca009ce28ebc86c945d9a02e688b88e0ce5f6614a229bb69