[root@0fb20b11738c orjson]# RUST_BACKTRACE=full cargo build
   Compiling proc-macro2 v1.0.8
   Compiling unicode-xid v0.2.0
   Compiling syn v1.0.14
   Compiling cfg-if v0.1.10
   Compiling libc v0.2.66
   Compiling ryu v1.0.2
   Compiling serde v1.0.104
   Compiling memchr v2.3.2
   Compiling typenum v1.11.2
   Compiling lazy_static v1.4.0
   Compiling getrandom v0.1.14
   Compiling itoa v0.4.5
   Compiling regex-syntax v0.6.14
   Compiling autocfg v1.0.0
   Compiling bitflags v1.2.1
   Compiling byteorder v1.3.4
   Compiling version_check v0.9.1
   Compiling packed_simd v0.3.3
   Compiling ppv-lite86 v0.2.6
   Compiling smallvec v1.2.0
   Compiling scopeguard v1.1.0
   Compiling lexical-core v0.7.4
   Compiling unindent v0.1.5
   Compiling encoding_rs v0.8.22
   Compiling arrayvec v0.5.1
   Compiling heapless v0.5.3
   Compiling stable_deref_trait v1.1.1
   Compiling static_assertions v1.1.0
   Compiling rand_core v0.4.2
   Compiling associative-cache v1.0.1
   Compiling inlinable_string v0.1.11
   Compiling thread_local v1.0.1
   Compiling num-traits v0.2.11
   Compiling c2-chacha v0.2.3
   Compiling lock_api v0.3.3
   Compiling wyhash v0.3.0
   Compiling quote v1.0.2
   Compiling aho-corasick v0.7.8
   Compiling parking_lot_core v0.7.0
   Compiling hash32 v0.1.1
   Compiling generic-array v0.13.2
   Compiling generic-array v0.12.3
   Compiling regex v1.3.4
   Compiling rand_core v0.5.1
   Compiling parking_lot v0.10.0
   Compiling as-slice v0.1.3
   Compiling pyo3-derive-backend v0.9.0-alpha.1
error: internal compiler error: src/librustc_codegen_ssa/mir/block.rs:622: shuffle indices must be constant
   --> /root/.cargo/registry/src/github.com-1ecc6299db9ec823/encoding_rs-0.8.22/src/simd_funcs.rs:289:28
    |
289 |           let first: u8x16 = shuffle!(
    |  ____________________________^
290 | |             s,
291 | |             u8x16::splat(0),
292 | |             [0, 16, 1, 17, 2, 18, 3, 19, 4, 20, 5, 21, 6, 22, 7, 23]
293 | |         );
    | |_________^
    |
    = note: this error: internal compiler error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)

thread 'rustc' panicked at 'Box<Any>', <::std::macros::panic macros>:2:4
stack backtrace:
   0:     0x7f16e7551634 - backtrace::backtrace::libunwind::trace::h0743ecf0c905ca1e
                               at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/libunwind.rs:86
   1:     0x7f16e7551634 - backtrace::backtrace::trace_unsynchronized::h0e046f0811b0ae4d
                               at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/mod.rs:66
   2:     0x7f16e7551634 - std::sys_common::backtrace::_print_fmt::h5fcd1fd3d0e5d79e
                               at src/libstd/sys_common/backtrace.rs:78
   3:     0x7f16e7551634 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h85ffb53d56efd098
                               at src/libstd/sys_common/backtrace.rs:59
   4:     0x7f16e758a7dc - core::fmt::write::h231e5515e704e96b
                               at src/libcore/fmt/mod.rs:1052
   5:     0x7f16e7542f97 - std::io::Write::write_fmt::h56f503f924d6c255
                               at src/libstd/io/mod.rs:1428
   6:     0x7f16e7556425 - std::sys_common::backtrace::_print::hf64c641be26866a9
                               at src/libstd/sys_common/backtrace.rs:62
   7:     0x7f16e7556425 - std::sys_common::backtrace::print::h16b5d561563c7498
                               at src/libstd/sys_common/backtrace.rs:49
   8:     0x7f16e7556425 - std::panicking::default_hook::{{closure}}::h8363003bce1deb1a
                               at src/libstd/panicking.rs:204
   9:     0x7f16e7556166 - std::panicking::default_hook::hb365b24076d7b200
                               at src/libstd/panicking.rs:224
  10:     0x7f16e7bc0c39 - rustc_driver::report_ice::h2624db039b9cfba9
  11:     0x7f16e7556b55 - std::panicking::rust_panic_with_hook::h2adc1d4c38cb25af
                               at src/libstd/panicking.rs:474
  12:     0x7f16e7f96363 - std::panicking::begin_panic::h6fca9fdb6d23f676
  13:     0x7f16e7eab88c - rustc_errors::HandlerInner::span_bug::h6840991938d37012
  14:     0x7f16e7eabc40 - rustc_errors::Handler::span_bug::h107187c882152f33
  15:     0x7f16e7f3fc69 - rustc::util::bug::opt_span_bug_fmt::{{closure}}::hf73fd7e05df26a89
  16:     0x7f16e7f3e15b - rustc::ty::context::tls::with_opt::{{closure}}::h0c4fdf5a849e88e3
  17:     0x7f16e7f3e106 - rustc::ty::context::tls::with_opt::h92cfac8e0dd8f2c9
  18:     0x7f16e7f3fb58 - rustc::util::bug::opt_span_bug_fmt::haf8b4183f62d8df3
  19:     0x7f16e7f3fb0a - rustc::util::bug::span_bug_fmt::h0be341af60d13d91
  20:     0x7f16e803af1a - <core::iter::adapters::Map<I,F> as core::iter::traits::iterator::Iterator>::fold::h333c620e944c2a61
  21:     0x7f16e801a2cc - rustc_codegen_ssa::mir::block::<impl rustc_codegen_ssa::mir::FunctionCx<Bx>>::codegen_call_terminator::h61b66235d798dc9e
  22:     0x7f16e8015212 - rustc_codegen_ssa::mir::block::<impl rustc_codegen_ssa::mir::FunctionCx<Bx>>::codegen_block::h977ed6f45937d617
  23:     0x7f16e802755e - rustc_codegen_ssa::base::codegen_instance::h1faa821de1d9e487
  24:     0x7f16e7f466b5 - <rustc::mir::mono::MonoItem as rustc_codegen_ssa::mono_item::MonoItemExt>::define::h0b6bdfededc22107
  25:     0x7f16e7ecd68a - rustc_codegen_llvm::base::compile_codegen_unit::module_codegen::h469c76d782c84352
  26:     0x7f16e7f7a0e5 - rustc::dep_graph::graph::DepGraph::with_task::h29956dbbd3cd6e7c
  27:     0x7f16e7ecd254 - rustc_codegen_llvm::base::compile_codegen_unit::hc09ab7897a17060a
  28:     0x7f16e802455a - rustc_codegen_ssa::base::codegen_crate::h80e90e6d82f0580d
  29:     0x7f16e7fb8715 - <rustc_codegen_llvm::LlvmCodegenBackend as rustc_codegen_utils::codegen_backend::CodegenBackend>::codegen_crate::hbcef469c00126974
  30:     0x7f16e7da7710 - rustc_session::utils::<impl rustc_session::session::Session>::time::h101a151e306dd79b
  31:     0x7f16e7e522ef - rustc_interface::passes::QueryContext::enter::hc499d446e1b9ab96
  32:     0x7f16e7d82f4b - rustc_interface::queries::Queries::ongoing_codegen::h201d0ed995ada5da
  33:     0x7f16e7c2a2be - rustc_interface::interface::run_compiler_in_existing_thread_pool::hdde65f8eb6e34231
  34:     0x7f16e7be429d - scoped_tls::ScopedKey<T>::set::h774e12e87074d2a2
  35:     0x7f16e7bcbd82 - syntax::attr::with_globals::hd6f4e6fb8aaadb66
  36:     0x7f16e7be5963 - std::sys_common::backtrace::__rust_begin_short_backtrace::h2e517a7b74830ac8
  37:     0x7f16e7568447 - __rust_maybe_catch_panic
                               at src/libpanic_unwind/lib.rs:86
  38:     0x7f16e7c2bef6 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h3814fa1c62419cc0
  39:     0x7f16e753331f - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h8e917a822ffc0592
                               at /rustc/7760cd0fbbbf2c59a625e075a5bdfa88b8e30f8a/src/liballoc/boxed.rs:1017
  40:     0x7f16e7566d50 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h8aa486ee72f31ff1
                               at /rustc/7760cd0fbbbf2c59a625e075a5bdfa88b8e30f8a/src/liballoc/boxed.rs:1017
  41:     0x7f16e7566d50 - std::sys_common::thread::start_thread::h8407e13fad90fc7e
                               at src/libstd/sys_common/thread.rs:13
  42:     0x7f16e7566d50 - std::sys::unix::thread::Thread::new::thread_start::h55e6429cb8ed2e9f
                               at src/libstd/sys/unix/thread.rs:80
  43:     0x7f16e72cf83d - start_thread
  44:     0x7f16e6c37fdd - clone

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

note: we would appreciate a bug report: https://github.com/rust-lang/rust/blob/master/CONTRIBUTING.md#bug-reports

note: rustc 1.43.0-nightly (7760cd0fb 2020-02-19) running on x86_64-unknown-linux-gnu

note: compiler flags: -C debuginfo=2 --crate-type lib

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

query stack during panic:
end of query stack
error: aborting due to previous error

error: could not compile `encoding_rs`.

To learn more, run the command again with --verbose.
warning: build failed, waiting for other jobs to finish...
error: build failed