[INFO] fetching crate rumqttc-async-std 0.5.0... [INFO] building rumqttc-async-std-0.5.0 against try#2cd6942e35a7765b6869d3a149ca54f2598b77ad for pr-93180 [INFO] extracting crate rumqttc-async-std 0.5.0 into /workspace/builds/worker-10/source [INFO] validating manifest of crates.io crate rumqttc-async-std 0.5.0 on toolchain 2cd6942e35a7765b6869d3a149ca54f2598b77ad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2cd6942e35a7765b6869d3a149ca54f2598b77ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rumqttc-async-std 0.5.0 [INFO] finished tweaking crates.io crate rumqttc-async-std 0.5.0 [INFO] tweaked toml for crates.io crate rumqttc-async-std 0.5.0 written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate crates.io crate rumqttc-async-std 0.5.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2cd6942e35a7765b6869d3a149ca54f2598b77ad" "fetch" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+2cd6942e35a7765b6869d3a149ca54f2598b77ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1dec2eb0a233273c8c3b9e25a9b6ad3da8bc9bbad7b62541318a17ffbe42d364 [INFO] running `Command { std: "docker" "start" "-a" "1dec2eb0a233273c8c3b9e25a9b6ad3da8bc9bbad7b62541318a17ffbe42d364", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1dec2eb0a233273c8c3b9e25a9b6ad3da8bc9bbad7b62541318a17ffbe42d364", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1dec2eb0a233273c8c3b9e25a9b6ad3da8bc9bbad7b62541318a17ffbe42d364", kill_on_drop: false }` [INFO] [stdout] 1dec2eb0a233273c8c3b9e25a9b6ad3da8bc9bbad7b62541318a17ffbe42d364 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+2cd6942e35a7765b6869d3a149ca54f2598b77ad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a0a707a41009e2f6fecca44339428152d56f75dbf9fa1a92e32670aa30e8eb32 [INFO] running `Command { std: "docker" "start" "-a" "a0a707a41009e2f6fecca44339428152d56f75dbf9fa1a92e32670aa30e8eb32", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling once_cell v1.5.2 [INFO] [stderr] Compiling libc v0.2.85 [INFO] [stderr] Compiling futures-core v0.3.12 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling futures-io v0.3.12 [INFO] [stderr] Compiling value-bag v1.0.0-alpha.6 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling pin-project-lite v0.2.4 [INFO] [stderr] Compiling cc v1.0.66 [INFO] [stderr] Compiling cache-padded v1.1.1 [INFO] [stderr] Compiling untrusted v0.7.1 [INFO] [stderr] Compiling fastrand v1.4.0 [INFO] [stderr] Compiling event-listener v2.5.1 [INFO] [stderr] Compiling waker-fn v1.1.0 [INFO] [stderr] Compiling parking v2.0.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling spin v0.5.2 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling async-task v4.0.3 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling vec-arena v1.0.0 [INFO] [stderr] Compiling futures-sink v0.3.12 [INFO] [stderr] Compiling atomic-waker v1.0.0 [INFO] [stderr] Compiling bytes v1.0.1 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling pollster v0.2.1 [INFO] [stderr] Compiling futures-channel v0.3.12 [INFO] [stderr] Compiling concurrent-queue v1.2.2 [INFO] [stderr] Compiling futures-task v0.3.12 [INFO] [stderr] Compiling async-mutex v1.4.0 [INFO] [stderr] Compiling async-lock v2.3.0 [INFO] [stderr] Compiling async-channel v1.5.1 [INFO] [stderr] Compiling http v0.2.3 [INFO] [stderr] Compiling mqttbytes v0.2.1 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Compiling futures-lite v1.11.3 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling nb-connect v1.0.2 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Compiling async-executor v1.4.0 [INFO] [stderr] Compiling blocking v1.0.2 [INFO] [stderr] Compiling webpki v0.21.4 [INFO] [stderr] Compiling sct v0.6.0 [INFO] [stderr] Compiling ctor v0.1.19 [INFO] [stderr] Compiling futures-macro v0.3.12 [INFO] [stderr] Compiling pin-project-internal v1.0.5 [INFO] [stderr] Compiling thiserror-impl v1.0.23 [INFO] [stderr] Compiling webpki-roots v0.21.0 [INFO] [stderr] Compiling futures-util v0.3.12 [INFO] [stderr] Compiling polling v2.0.2 [INFO] [stderr] Compiling kv-log-macro v1.0.7 [INFO] [stderr] Compiling rustls v0.19.0 [INFO] [stderr] Compiling thiserror v1.0.23 [INFO] [stderr] Compiling async-io v1.3.1 [INFO] [stderr] Compiling pin-project v1.0.5 [INFO] [stderr] Compiling async-global-executor v2.0.2 [INFO] [stderr] Compiling async-std v1.9.0 [INFO] [stderr] Compiling async-tls v0.11.0 [INFO] [stderr] Compiling futures-executor v0.3.12 [INFO] [stderr] Compiling futures v0.3.12 [INFO] [stderr] Compiling rumqttc-async-std v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: `must_use` attribute on `async` functions applies to the anonymous `Future` returned by the function, not the value within [INFO] [stdout] --> src/eventloop.rs:122:5 [INFO] [stdout] | [INFO] [stdout] 122 | #[must_use = "Eventloop should be iterated over a loop to make progress"] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 123 | / pub async fn poll(&mut self) -> Result { [INFO] [stdout] 124 | | if self.network.is_none() { [INFO] [stdout] 125 | | let (network, connack) = connect_or_cancel(&self.options, &self.cancel_rx).await?; [INFO] [stdout] 126 | | self.network = Some(network); [INFO] [stdout] ... | [INFO] [stdout] 147 | | } [INFO] [stdout] 148 | | } [INFO] [stdout] | |_____- this attribute does nothing, the `Future`s returned by async functions are already `must_use` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] thread 'rustc' panicked at 'Box', /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/compiler/rustc_errors/src/lib.rs:1103:9 [INFO] [stderr] stack backtrace: [INFO] [stdout] error: internal compiler error: compiler/rustc_mir_transform/src/generator.rs:766:13: Broken MIR: generator contains type &mut Network in MIR, but typeck only knows about {ResumeTy, &mut EventLoop, bool, Duration, futures::future::Fuse>>, CondFuture>>>, CondFuture>>>, futures::future::Fuse<&mut Pin>>, futures::future::Fuse>>, [closure@/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-0.3.12/src/async_await/select_mod.rs:326:13: 328:14], futures::future::PollFn<[closure@/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-0.3.12/src/async_await/select_mod.rs:326:13: 328:14]>, (), EventLoop::select::{closure#0}::__PrivResult, Result, Option, Instant, Result<(), async_channel::RecvError>>, EventLoop, MqttState, BytesMut, impl futures::Future>, Result, Option} and [&mut eventloop::EventLoop] [INFO] [stdout] --> src/eventloop.rs:151:66 [INFO] [stdout] | [INFO] [stdout] 151 | async fn select(&mut self) -> Result { [INFO] [stdout] | __________________________________________________________________^ [INFO] [stdout] 152 | | let network = self.network.as_mut().unwrap(); [INFO] [stdout] 153 | | // let await_acks = self.state.await_acks; [INFO] [stdout] 154 | | let inflight_full = self.state.inflight >= self.options.inflight; [INFO] [stdout] ... | [INFO] [stdout] 231 | | } [INFO] [stdout] 232 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] 0: 0x7f70415dc67c - std::backtrace_rs::backtrace::libunwind::trace::hab3bb7239730ce1e [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stderr] 1: 0x7f70415dc67c - std::backtrace_rs::backtrace::trace_unsynchronized::h7c00739330269721 [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x7f70415dc67c - std::sys_common::backtrace::_print_fmt::hc7fce0f2bad6b4e5 [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x7f70415dc67c - ::fmt::h6b1f9c749ca5dfce [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x7f704163d85c - core::fmt::write::h14b56021008c8193 [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/core/src/fmt/mod.rs:1168:17 [INFO] [stderr] 5: 0x7f70415cbc23 - std::io::Write::write_fmt::h00903ac5c84da4ab [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/io/mod.rs:1653:15 [INFO] [stderr] 6: 0x7f70415e0aa2 - std::sys_common::backtrace::_print::h520cdd5f2e9c382b [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x7f70415e0aa2 - std::sys_common::backtrace::print::hc31c18dd3d9e99d7 [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x7f70415e0aa2 - std::panicking::default_hook::{{closure}}::h2b4911050a1d8d19 [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/panicking.rs:290:50 [INFO] [stderr] 9: 0x7f70415e0685 - std::panicking::default_hook::hd9ee213c07ceee82 [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/panicking.rs:307:9 [INFO] [stderr] 10: 0x7f7041dbdf91 - rustc_driver[574060610cdb6686]::DEFAULT_HOOK::{closure#0}::{closure#0} [INFO] [stderr] 11: 0x7f70316920e3 - as core::ops::function::Fn>::call::hf3a36e919fb909c1 [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/alloc/src/boxed.rs:1868:9 [INFO] [stderr] 12: 0x7f703169a3dc - proc_macro::bridge::client::::enter::{{closure}}::{{closure}}::h908208cdd41b0512 [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/proc_macro/src/bridge/client.rs:319:21 [INFO] [stderr] 13: 0x7f70316aea00 - std::panicking::update_hook::{{closure}}::h5044fd401180adc6 [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/panicking.rs:257:41 [INFO] [stderr] 14: 0x7f70415e12bb - std::panicking::rust_panic_with_hook::hf221ce82965f4abb [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/panicking.rs:695:17 [INFO] [stderr] 15: 0x7f70420341d1 - std[8ff7d40267274bc7]::panicking::begin_panic::::{closure#0} [INFO] [stderr] 16: 0x7f7042033d76 - std[8ff7d40267274bc7]::sys_common::backtrace::__rust_end_short_backtrace::::{closure#0}, !> [INFO] [stderr] 17: 0x7f7041f9a3ff - std[8ff7d40267274bc7]::panicking::begin_panic:: [INFO] [stderr] 18: 0x7f7042014f5d - std[8ff7d40267274bc7]::panic::panic_any:: [INFO] [stderr] 19: 0x7f70420118c8 - ::span_bug:: [INFO] [stderr] 20: 0x7f7042011680 - ::span_bug:: [INFO] [stderr] 21: 0x7f7041f770f8 - rustc_middle[8a77eead77a7de65]::ty::context::tls::with_opt::::{closure#0}, ()> [INFO] [stderr] 22: 0x7f7041f771b0 - rustc_middle[8a77eead77a7de65]::util::bug::opt_span_bug_fmt:: [INFO] [stderr] 23: 0x7f7041f7717c - rustc_middle[8a77eead77a7de65]::util::bug::span_bug_fmt:: [INFO] [stderr] 24: 0x7f7043dd59d3 - ::run_pass [INFO] [stderr] 25: 0x7f704310850f - rustc_mir_transform[e8bf563d71c3358c]::pass_manager::run_passes [INFO] [stderr] 26: 0x7f70430c94e1 - rustc_mir_transform[e8bf563d71c3358c]::optimized_mir [INFO] [stderr] 27: 0x7f7043680eb2 - rustc_query_system[ae4364215f97c5f4]::query::plumbing::try_execute_query::> [INFO] [stderr] 28: 0x7f70436cc247 - ::optimized_mir [INFO] [stderr] 29: 0x7f7043789068 - ::encode_crate_root [INFO] [stderr] 30: 0x7f704425d32f - rustc_metadata[fc8776039bfe24ae]::rmeta::encoder::encode_metadata_impl [INFO] [stderr] 31: 0x7f7044283971 - rustc_data_structures[bb4cd459dd765b6f]::sync::join:: [INFO] [stderr] 32: 0x7f704425cb43 - rustc_metadata[fc8776039bfe24ae]::rmeta::encoder::encode_metadata [INFO] [stderr] 33: 0x7f7043c30fb0 - ::ongoing_codegen [INFO] [stderr] 34: 0x7f7043c0c7dd - ::enter::, rustc_errors[a0b4bf6c95948d12]::ErrorReported>> [INFO] [stderr] 35: 0x7f7043c0ddb6 - rustc_span[7ad56b2a1dc47726]::with_source_map::, rustc_interface[925b183bd10502e3]::interface::create_compiler_and_run, rustc_driver[574060610cdb6686]::run_compiler::{closure#1}>::{closure#1}> [INFO] [stderr] 36: 0x7f7043c0bb5e - rustc_interface[925b183bd10502e3]::interface::create_compiler_and_run::, rustc_driver[574060610cdb6686]::run_compiler::{closure#1}> [INFO] [stderr] 37: 0x7f7043befd5b - >::set::, rustc_driver[574060610cdb6686]::run_compiler::{closure#1}>::{closure#0}, core[25abe57cfe4190a5]::result::Result<(), rustc_errors[a0b4bf6c95948d12]::ErrorReported>>::{closure#0}::{closure#0}, core[25abe57cfe4190a5]::result::Result<(), rustc_errors[a0b4bf6c95948d12]::ErrorReported>> [INFO] [stderr] 38: 0x7f7043befb35 - std[8ff7d40267274bc7]::sys_common::backtrace::__rust_begin_short_backtrace::, rustc_driver[574060610cdb6686]::run_compiler::{closure#1}>::{closure#0}, core[25abe57cfe4190a5]::result::Result<(), rustc_errors[a0b4bf6c95948d12]::ErrorReported>>::{closure#0}, core[25abe57cfe4190a5]::result::Result<(), rustc_errors[a0b4bf6c95948d12]::ErrorReported>> [INFO] [stderr] 39: 0x7f7043bee6e9 - <::spawn_unchecked_, rustc_driver[574060610cdb6686]::run_compiler::{closure#1}>::{closure#0}, core[25abe57cfe4190a5]::result::Result<(), rustc_errors[a0b4bf6c95948d12]::ErrorReported>>::{closure#0}, core[25abe57cfe4190a5]::result::Result<(), rustc_errors[a0b4bf6c95948d12]::ErrorReported>>::{closure#1} as core[25abe57cfe4190a5]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 40: 0x7f70415ece63 - as core::ops::function::FnOnce>::call_once::h37fad153086c8632 [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/alloc/src/boxed.rs:1854:9 [INFO] [stderr] 41: 0x7f70415ece63 - as core::ops::function::FnOnce>::call_once::h63ac285b00349412 [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/alloc/src/boxed.rs:1854:9 [INFO] [stderr] 42: 0x7f70415ece63 - std::sys::unix::thread::Thread::new::thread_start::ha85c370649f33522 [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stderr] 43: 0x7f70414fe609 - start_thread [INFO] [stderr] 44: 0x7f7041418293 - clone [INFO] [stderr] 45: 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 1.60.0-nightly (2cd6942e3 2022-01-26) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: -C embed-bitcode=no -C debuginfo=2 --crate-type lib [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 [optimized_mir] optimizing MIR for `eventloop::::select::{closure#0}` [INFO] [stderr] end of query stack [INFO] [stdout] error: aborting due to previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rumqttc-async-std` due to previous error; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "a0a707a41009e2f6fecca44339428152d56f75dbf9fa1a92e32670aa30e8eb32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0a707a41009e2f6fecca44339428152d56f75dbf9fa1a92e32670aa30e8eb32", kill_on_drop: false }` [INFO] [stdout] a0a707a41009e2f6fecca44339428152d56f75dbf9fa1a92e32670aa30e8eb32