[INFO] fetching crate modbus-proxy-rs 1.0.0... [INFO] building modbus-proxy-rs-1.0.0 against try#2cd6942e35a7765b6869d3a149ca54f2598b77ad for pr-93180 [INFO] extracting crate modbus-proxy-rs 1.0.0 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate modbus-proxy-rs 1.0.0 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 modbus-proxy-rs 1.0.0 [INFO] finished tweaking crates.io crate modbus-proxy-rs 1.0.0 [INFO] tweaked toml for crates.io crate modbus-proxy-rs 1.0.0 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate crates.io crate modbus-proxy-rs 1.0.0 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] Downloading crates ... [INFO] [stderr] Downloaded rust-ini v0.13.0 [INFO] [stderr] Downloaded config v0.11.0 [INFO] [stderr] Downloaded serde-hjson v0.9.1 [INFO] [stderr] Downloaded jemallocator v0.3.2 [INFO] [stderr] Downloaded jemalloc-sys v0.3.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] b8cf6e66e2da2232a6ca967fb35c2a3a073508268c7c4b6fe001df5c844d9b39 [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" "b8cf6e66e2da2232a6ca967fb35c2a3a073508268c7c4b6fe001df5c844d9b39", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b8cf6e66e2da2232a6ca967fb35c2a3a073508268c7c4b6fe001df5c844d9b39", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b8cf6e66e2da2232a6ca967fb35c2a3a073508268c7c4b6fe001df5c844d9b39", kill_on_drop: false }` [INFO] [stdout] b8cf6e66e2da2232a6ca967fb35c2a3a073508268c7c4b6fe001df5c844d9b39 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] baefdcca49d48ce6bbdc6fe0e94768f51a4b47a7d187e267b1271c9bbcb11f7e [INFO] running `Command { std: "docker" "start" "-a" "baefdcca49d48ce6bbdc6fe0e94768f51a4b47a7d187e267b1271c9bbcb11f7e", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.83 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling futures-core v0.3.19 [INFO] [stderr] Compiling futures-task v0.3.19 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling serde v1.0.133 [INFO] [stderr] Compiling futures-channel v0.3.19 [INFO] [stderr] Compiling ryu v1.0.9 [INFO] [stderr] Compiling lexical-core v0.7.6 [INFO] [stderr] Compiling futures-sink v0.3.19 [INFO] [stderr] Compiling futures-util v0.3.19 [INFO] [stderr] Compiling pin-project-lite v0.2.7 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Compiling arrayvec v0.5.2 [INFO] [stderr] Compiling futures-io v0.3.19 [INFO] [stderr] Compiling serde_json v1.0.73 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling slab v0.4.5 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling itoa v1.0.1 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling linked-hash-map v0.5.4 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling humantime v2.1.0 [INFO] [stderr] Compiling bytes v1.1.0 [INFO] [stderr] Compiling termcolor v1.1.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling proc-macro2 v1.0.34 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling yaml-rust v0.4.5 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling mio v0.7.14 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling serde-hjson v0.9.1 [INFO] [stderr] Compiling env_logger v0.9.0 [INFO] [stderr] Compiling serde_derive v1.0.133 [INFO] [stderr] Compiling futures-macro v0.3.19 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Compiling tokio v1.15.0 [INFO] [stderr] Compiling structopt v0.3.25 [INFO] [stderr] Compiling futures-executor v0.3.19 [INFO] [stderr] Compiling futures v0.3.19 [INFO] [stderr] Compiling toml v0.5.8 [INFO] [stderr] Compiling config v0.11.0 [INFO] [stderr] Compiling modbus-proxy-rs v1.0.0 (/opt/rustwide/workdir) [INFO] [stderr] thread 'rustc' panicked at 'Box', /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/compiler/rustc_errors/src/lib.rs:1103:9 [INFO] [stdout] error: internal compiler error: compiler/rustc_mir_transform/src/generator.rs:766:13: Broken MIR: generator contains type &mut tokio::io::BufWriter in MIR, but typeck only knows about {ResumeTy, &mut Device, &Vec, &mut tokio::io::BufReader, &[u8], &&Vec, tokio::io::util::write_all::WriteAll>, (), tokio::io::util::flush::Flush>, impl futures::Future, Box<(dyn StdError + Sync + std::marker::Send + 'static)>>>} and [&mut Device, &std::vec::Vec] [INFO] [stdout] --> src/lib.rs:106:72 [INFO] [stdout] | [INFO] [stdout] 106 | async fn raw_write_read(&mut self, frame: &Frame) -> Result { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 107 | | let (reader, writer) = self.stream.as_mut().ok_or("no modbus connection")?; [INFO] [stdout] 108 | | writer.write_all(&frame).await?; [INFO] [stdout] 109 | | writer.flush().await?; [INFO] [stdout] 110 | | read_frame(reader).await [INFO] [stdout] 111 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7f75602af67c - 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: 0x7f75602af67c - 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: 0x7f75602af67c - std::sys_common::backtrace::_print_fmt::hc7fce0f2bad6b4e5 [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x7f75602af67c - ::fmt::h6b1f9c749ca5dfce [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x7f756031085c - core::fmt::write::h14b56021008c8193 [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/core/src/fmt/mod.rs:1168:17 [INFO] [stderr] 5: 0x7f756029ec23 - std::io::Write::write_fmt::h00903ac5c84da4ab [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/io/mod.rs:1653:15 [INFO] [stderr] 6: 0x7f75602b3aa2 - std::sys_common::backtrace::_print::h520cdd5f2e9c382b [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x7f75602b3aa2 - std::sys_common::backtrace::print::hc31c18dd3d9e99d7 [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x7f75602b3aa2 - std::panicking::default_hook::{{closure}}::h2b4911050a1d8d19 [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/panicking.rs:290:50 [INFO] [stderr] 9: 0x7f75602b3685 - std::panicking::default_hook::hd9ee213c07ceee82 [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/panicking.rs:307:9 [INFO] [stderr] 10: 0x7f7560a90f91 - rustc_driver[574060610cdb6686]::DEFAULT_HOOK::{closure#0}::{closure#0} [INFO] [stderr] 11: 0x7f7551134633 - as core::ops::function::Fn>::call::hbc85526b4621a71e [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/alloc/src/boxed.rs:1868:9 [INFO] [stderr] 12: 0x7f7551175f5c - proc_macro::bridge::client::::enter::{{closure}}::{{closure}}::h76cbe5d908086a01 [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/proc_macro/src/bridge/client.rs:319:21 [INFO] [stderr] 13: 0x7f75511de120 - std::panicking::update_hook::{{closure}}::hf1acb66d4147acd8 [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/panicking.rs:257:41 [INFO] [stderr] 14: 0x7f75602b42bb - std::panicking::rust_panic_with_hook::hf221ce82965f4abb [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/panicking.rs:695:17 [INFO] [stderr] 15: 0x7f7560d071d1 - std[8ff7d40267274bc7]::panicking::begin_panic::::{closure#0} [INFO] [stderr] 16: 0x7f7560d06d76 - std[8ff7d40267274bc7]::sys_common::backtrace::__rust_end_short_backtrace::::{closure#0}, !> [INFO] [stderr] 17: 0x7f7560c6d3ff - std[8ff7d40267274bc7]::panicking::begin_panic:: [INFO] [stderr] 18: 0x7f7560ce7f5d - std[8ff7d40267274bc7]::panic::panic_any:: [INFO] [stderr] 19: 0x7f7560ce48c8 - ::span_bug:: [INFO] [stderr] 20: 0x7f7560ce4680 - ::span_bug:: [INFO] [stderr] 21: 0x7f7560c4a0f8 - rustc_middle[8a77eead77a7de65]::ty::context::tls::with_opt::::{closure#0}, ()> [INFO] [stderr] 22: 0x7f7560c4a1b0 - rustc_middle[8a77eead77a7de65]::util::bug::opt_span_bug_fmt:: [INFO] [stderr] 23: 0x7f7560c4a17c - rustc_middle[8a77eead77a7de65]::util::bug::span_bug_fmt:: [INFO] [stderr] 24: 0x7f7562aa89d3 - ::run_pass [INFO] [stderr] 25: 0x7f7561ddb50f - rustc_mir_transform[e8bf563d71c3358c]::pass_manager::run_passes [INFO] [stderr] 26: 0x7f7561d9c4e1 - rustc_mir_transform[e8bf563d71c3358c]::optimized_mir [INFO] [stderr] 27: 0x7f7562353eb2 - rustc_query_system[ae4364215f97c5f4]::query::plumbing::try_execute_query::> [INFO] [stderr] 28: 0x7f756239f247 - ::optimized_mir [INFO] [stderr] 29: 0x7f756245c068 - ::encode_crate_root [INFO] [stderr] 30: 0x7f7562f3032f - rustc_metadata[fc8776039bfe24ae]::rmeta::encoder::encode_metadata_impl [INFO] [stderr] 31: 0x7f7562f56971 - rustc_data_structures[bb4cd459dd765b6f]::sync::join:: [INFO] [stderr] 32: 0x7f7562f2fb43 - rustc_metadata[fc8776039bfe24ae]::rmeta::encoder::encode_metadata [INFO] [stderr] 33: 0x7f7562903fb0 - ::ongoing_codegen [INFO] [stderr] 34: 0x7f75628df7dd - ::enter::, rustc_errors[a0b4bf6c95948d12]::ErrorReported>> [INFO] [stderr] 35: 0x7f75628e0db6 - 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: 0x7f75628deb5e - rustc_interface[925b183bd10502e3]::interface::create_compiler_and_run::, rustc_driver[574060610cdb6686]::run_compiler::{closure#1}> [INFO] [stderr] 37: 0x7f75628c2d5b - >::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: 0x7f75628c2b35 - 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: 0x7f75628c16e9 - <::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: 0x7f75602bfe63 - as core::ops::function::FnOnce>::call_once::h37fad153086c8632 [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/alloc/src/boxed.rs:1854:9 [INFO] [stderr] 41: 0x7f75602bfe63 - as core::ops::function::FnOnce>::call_once::h63ac285b00349412 [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/alloc/src/boxed.rs:1854:9 [INFO] [stderr] 42: 0x7f75602bfe63 - 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: 0x7f75601d1609 - start_thread [INFO] [stderr] 44: 0x7f75600eb293 - 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 `::raw_write_read::{closure#0}` [INFO] [stderr] end of query stack [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `modbus-proxy-rs` due to previous error [INFO] running `Command { std: "docker" "inspect" "baefdcca49d48ce6bbdc6fe0e94768f51a4b47a7d187e267b1271c9bbcb11f7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "baefdcca49d48ce6bbdc6fe0e94768f51a4b47a7d187e267b1271c9bbcb11f7e", kill_on_drop: false }` [INFO] [stdout] baefdcca49d48ce6bbdc6fe0e94768f51a4b47a7d187e267b1271c9bbcb11f7e