rust 1.64.0 build on Arch Linux RISC-V

build.log

Copying stage0 rustc from stage0 (riscv64gc-unknown-linux-gnu -> riscv64gc-unknown-linux-gnu / riscv64gc-unknown-linux-gnu)
Assembling stage1 compiler (riscv64gc-unknown-linux-gnu)
Building stage1 std artifacts (riscv64gc-unknown-linux-gnu -> riscv64gc-unknown-linux-gnu)
   Compiling cc v1.0.69
   Compiling core v0.0.0 (/build/rust/src/rustc-1.64.0-src/library/core)
   Compiling libc v0.2.126
   Compiling memchr v2.5.0
   Compiling std v0.0.0 (/build/rust/src/rustc-1.64.0-src/library/std)
   Compiling compiler_builtins v0.1.73
   Compiling unwind v0.0.0 (/build/rust/src/rustc-1.64.0-src/library/unwind)
   Compiling profiler_builtins v0.0.0 (/build/rust/src/rustc-1.64.0-src/library/profiler_builtins)
thread 'rustc' panicked at 'already borrowed: BorrowMutError', compiler/rustc_arena/src/lib.rs:387:42
stack backtrace:
   0:       0x3fbc8aa764 - std::backtrace_rs::backtrace::libunwind::trace::h59e68af62f3367cc
                               at /rustc/1.64.0/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
   1:       0x3fbc8aa764 - std::backtrace_rs::backtrace::trace_unsynchronized::h3fd5e1a617d52327
                               at /rustc/1.64.0/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:       0x3fbc8aa764 - std::sys_common::backtrace::_print_fmt::hf0e6b468dc9f2d1f
                               at /rustc/1.64.0/library/std/src/sys_common/backtrace.rs:66:5
   3:       0x3fbc8aa764 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h831c29a94e278fcb
                               at /rustc/1.64.0/library/std/src/sys_common/backtrace.rs:45:22
   4:       0x3fbc8f3c94 - core::fmt::write::hd40c19d10e02f5f1
                               at /rustc/1.64.0/library/core/src/fmt/mod.rs:1198:17
   5:       0x3fbc89e810 - std::io::Write::write_fmt::h964616b24dc3c323
                               at /rustc/1.64.0/library/std/src/io/mod.rs:1672:15
   6:       0x3fbc8ac9de - std::sys_common::backtrace::_print::hcecd644c72d1b31e
                               at /rustc/1.64.0/library/std/src/sys_common/backtrace.rs:48:5
   7:       0x3fbc8ac9de - std::sys_common::backtrace::print::h337373b45acf45a4
                               at /rustc/1.64.0/library/std/src/sys_common/backtrace.rs:35:9
   8:       0x3fbc8ac9de - std::panicking::default_hook::{{closure}}::h1c5de6bd4db8611c
                               at /rustc/1.64.0/library/std/src/panicking.rs:295:22
   9:       0x3fbc8ac766 - std::panicking::default_hook::h22c24004e5e077a6
                               at /rustc/1.64.0/library/std/src/panicking.rs:314:9
  10:       0x3fb9526888 - rustc_driver[3b5a9b00cffbdda2]::DEFAULT_HOOK::{closure#0}::{closure#0}
  11:       0x3fbc8ad61a - std::panicking::rust_panic_with_hook::h8a4f8bcd521525a4
                               at /rustc/1.64.0/library/std/src/panicking.rs:702:17
  12:       0x3fbc8ad428 - std::panicking::begin_panic_handler::{{closure}}::hebbffdb638b5451f
                               at /rustc/1.64.0/library/std/src/panicking.rs:588:13
  13:       0x3fbc8aaad4 - std::sys_common::backtrace::__rust_end_short_backtrace::heb8dfb4825567274
                               at /rustc/1.64.0/library/std/src/sys_common/backtrace.rs:138:18
  14:       0x3fbc8ad1f0 - rust_begin_unwind
                               at /rustc/1.64.0/library/std/src/panicking.rs:584:5
  15:       0x3fbc87fd60 - core::panicking::panic_fmt::hf488e2ff17b398f6
                               at /rustc/1.64.0/library/core/src/panicking.rs:142:14
  16:       0x3fbc87fe34 - core::result::unwrap_failed::hb74c17d443e385e8
                               at /rustc/1.64.0/library/core/src/result.rs:1814:5
  17:       0x3fb94a1f9e - <rustc_arena[d636766200224d7c]::DroplessArena>::grow
  18:       0x3fba606c10 - <rustc_middle[993b22a45d6e8d22]::arena::Arena>::alloc_from_iter::<rustc_middle[993b22a45d6e8d22]::dep_graph::dep_node::DepKindStruct, rustc_arena[d636766200224d7c]::IsNotCopy, [rustc_middle[993b22a45d6e8d22]::dep_graph::dep_node::DepKindStruct; 282usize]>
  19:       0x3fba819f82 - rustc_query_impl[cc889a495b24c279]::query_callbacks
  20:       0x3fb92e32ea - <core[e0a5b60f968d6f4]::cell::once::OnceCell<_>>::get_or_try_init::outlined_call::<<core[e0a5b60f968d6f4]::cell::once::OnceCell<rustc_middle[993b22a45d6e8d22]::ty::context::GlobalCtxt>>::get_or_init<rustc_interface[f5707607c2a62ae0]::passes::create_global_ctxt::{closure#1}::{closure#0}>::{closure#0}, rustc_middle[993b22a45d6e8d22]::ty::context::GlobalCtxt, !>
  21:       0x3fb96317fa - <core[e0a5b60f968d6f4]::cell::once::OnceCell<rustc_middle[993b22a45d6e8d22]::ty::context::GlobalCtxt>>::get_or_init::<rustc_interface[f5707607c2a62ae0]::passes::create_global_ctxt::{closure#1}::{closure#0}>
  22:       0x3fb95a8420 - <rustc_session[1a9683fd9e3b3609]::session::Session>::time::<&rustc_middle[993b22a45d6e8d22]::ty::context::GlobalCtxt, rustc_interface[f5707607c2a62ae0]::passes::create_global_ctxt::{closure#1}>
  23:       0x3fb95a6f50 - rustc_interface[f5707607c2a62ae0]::passes::create_global_ctxt
  24:       0x3fb9620f2a - <rustc_interface[f5707607c2a62ae0]::queries::Queries>::global_ctxt
  25:       0x3fb94c706e - <rustc_interface[f5707607c2a62ae0]::interface::Compiler>::enter::<rustc_driver[3b5a9b00cffbdda2]::run_compiler::{closure#1}::{closure#2}, core[e0a5b60f968d6f4]::result::Result<core[e0a5b60f968d6f4]::option::Option<rustc_interface[f5707607c2a62ae0]::queries::Linker>, rustc_errors[5201bb7f9ecfa55a]::ErrorGuaranteed>>
  26:       0x3fb94ae9aa - rustc_span[28850c1012382a92]::with_source_map::<core[e0a5b60f968d6f4]::result::Result<(), rustc_errors[5201bb7f9ecfa55a]::ErrorGuaranteed>, rustc_interface[f5707607c2a62ae0]::interface::create_compiler_and_run<core[e0a5b60f968d6f4]::result::Result<(), rustc_errors[5201bb7f9ecfa55a]::ErrorGuaranteed>, rustc_driver[3b5a9b00cffbdda2]::run_compiler::{closure#1}>::{closure#1}>
  27:       0x3fb94c7df4 - <scoped_tls[af90a9864adeb091]::ScopedKey<rustc_span[28850c1012382a92]::SessionGlobals>>::set::<rustc_interface[f5707607c2a62ae0]::interface::run_compiler<core[e0a5b60f968d6f4]::result::Result<(), rustc_errors[5201bb7f9ecfa55a]::ErrorGuaranteed>, rustc_driver[3b5a9b00cffbdda2]::run_compiler::{closure#1}>::{closure#0}, core[e0a5b60f968d6f4]::result::Result<(), rustc_errors[5201bb7f9ecfa55a]::ErrorGuaranteed>>
  28:       0x3fb9512960 - std[51819d692cc99d00]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[f5707607c2a62ae0]::util::run_in_thread_pool_with_globals<rustc_interface[f5707607c2a62ae0]::interface::run_compiler<core[e0a5b60f968d6f4]::result::Result<(), rustc_errors[5201bb7f9ecfa55a]::ErrorGuaranteed>, rustc_driver[3b5a9b00cffbdda2]::run_compiler::{closure#1}>::{closure#0}, core[e0a5b60f968d6f4]::result::Result<(), rustc_errors[5201bb7f9ecfa55a]::ErrorGuaranteed>>::{closure#0}, core[e0a5b60f968d6f4]::result::Result<(), rustc_errors[5201bb7f9ecfa55a]::ErrorGuaranteed>>
  29:       0x3fb94deaf2 - std[51819d692cc99d00]::panicking::try::do_call::<core[e0a5b60f968d6f4]::panic::unwind_safe::AssertUnwindSafe<<std[51819d692cc99d00]::thread::Builder>::spawn_unchecked_<rustc_interface[f5707607c2a62ae0]::util::run_in_thread_pool_with_globals<rustc_interface[f5707607c2a62ae0]::interface::run_compiler<core[e0a5b60f968d6f4]::result::Result<(), rustc_errors[5201bb7f9ecfa55a]::ErrorGuaranteed>, rustc_driver[3b5a9b00cffbdda2]::run_compiler::{closure#1}>::{closure#0}, core[e0a5b60f968d6f4]::result::Result<(), rustc_errors[5201bb7f9ecfa55a]::ErrorGuaranteed>>::{closure#0}, core[e0a5b60f968d6f4]::result::Result<(), rustc_errors[5201bb7f9ecfa55a]::ErrorGuaranteed>>::{closure#1}::{closure#0}>, core[e0a5b60f968d6f4]::result::Result<(), rustc_errors[5201bb7f9ecfa55a]::ErrorGuaranteed>>
  30:       0x3fb94e151e - __rust_try.llvm.7069133175427770161
  31:       0x3fb94e5e88 - <<std[51819d692cc99d00]::thread::Builder>::spawn_unchecked_<rustc_interface[f5707607c2a62ae0]::util::run_in_thread_pool_with_globals<rustc_interface[f5707607c2a62ae0]::interface::run_compiler<core[e0a5b60f968d6f4]::result::Result<(), rustc_errors[5201bb7f9ecfa55a]::ErrorGuaranteed>, rustc_driver[3b5a9b00cffbdda2]::run_compiler::{closure#1}>::{closure#0}, core[e0a5b60f968d6f4]::result::Result<(), rustc_errors[5201bb7f9ecfa55a]::ErrorGuaranteed>>::{closure#0}, core[e0a5b60f968d6f4]::result::Result<(), rustc_errors[5201bb7f9ecfa55a]::ErrorGuaranteed>>::{closure#1} as core[e0a5b60f968d6f4]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  32:       0x3fbc8b5472 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::he685b3b3d0cf92ce
                               at /rustc/1.64.0/library/alloc/src/boxed.rs:1935:9
  33:       0x3fbc8b5472 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h76f6cf45a565d586
                               at /rustc/1.64.0/library/alloc/src/boxed.rs:1935:9
  34:       0x3fbc8b5472 - std::sys::unix::thread::Thread::new::thread_start::h7dde461c3d105352
                               at /rustc/1.64.0/library/std/src/sys/unix/thread.rs:108:17
  35:       0x3fb8d13672 - <unknown>
  36:       0x3fb8d61512 - <unknown>
  37:                0x0 - <unknown>

error: internal compiler error: unexpected panic

note: the compiler unexpectedly panicked. this is a bug.

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

note: rustc 1.64.0 (Arch Linux rust 1:1.64.0-1) running on riscv64gc-unknown-linux-gnu

note: compiler flags: --crate-type lib -C opt-level=3 -C embed-bitcode=no -C codegen-units=1 -C debuginfo=2 -Z unstable-options -C symbol-mangling-version=legacy -Z unstable-options -Z unstable-options -Z macro-backtrace -Z unstable-options -C split-debuginfo=off -Z save-analysis -C prefer-dynamic -C embed-bitcode=yes -C force-unwind-tables=yes -Z crate-attr=doc(html_root_url="https://doc.rust-lang.org/1.64.0/") -Z binary-dep-depinfo -Z force-unstable-if-unmarked

note: some of the compiler flags provided by cargo are hidden

query stack during panic:
end of query stack
error: could not compile `core`
warning: build failed, waiting for other jobs to finish...
Build completed unsuccessfully in 3:41:10

config.toml

changelog-seen = 2
profile = "user"

[llvm]
link-shared = true

[build]
target = [
  "riscv64gc-unknown-linux-gnu",
  "riscv64gc-unknown-linux-musl",
  "wasm32-unknown-unknown",
  "wasm32-wasi",
]
cargo = "/usr/bin/cargo"
rustc = "/usr/bin/rustc"
rustfmt = "/usr/bin/rustfmt"
locked-deps = true
vendor = true
tools = ["cargo", "rls", "clippy", "rustfmt", "analysis", "src", "rust-demangler"]
sanitizers = true
profiler = true

# Generating docs fails with the wasm32-* targets
docs = false

[install]
prefix = "/usr"

[rust]
debuginfo-level-std = 2
channel = "stable"
description = "Arch Linux $pkgbase $epoch:$pkgver-$pkgrel"
rpath = false
backtrace-on-ice = true
remap-debuginfo = true
# jemalloc = true

# LLVM crashes when passing an object through ThinLTO twice.  This is triggered
# when using rust code in cross-language LTO if libstd was built using ThinLTO.
# http://blog.llvm.org/2019/09/closing-gap-cross-language-lto-between.html
# https://github.com/rust-lang/rust/issues/54872
codegen-units-std = 1

# musl target produces warnings
deny-warnings = false

[dist]
compression-formats = ["gz"]

[target.riscv64gc-unknown-linux-gnu]
cc = "/usr/bin/gcc"
cxx = "/usr/bin/g++"
ar = "/usr/bin/gcc-ar"
ranlib = "/usr/bin/gcc-ranlib"
llvm-config = "/usr/bin/llvm-config"

[target.riscv64gc-unknown-linux-musl]
sanitizers = false
musl-root = "/usr/lib/musl"
cc = "/usr/bin/musl-gcc"
cxx = "/usr/bin/musl-gcc"

[target.wasm32-unknown-unknown]
sanitizers = false
profiler = false

[target.wasm32-wasi]
sanitizers = false
profiler = false
wasi-root = "/usr/share/wasi-sysroot"