Error when trying to compile simple Rocket project.

[ThomasFrans]

Code

#[macro_use] extern crate rocket;

#[get("/")]
fn index() -> &'static str {
    "Hello world!"
}

#[launch]
fn rocket() -> _{
    rocket::build().mount("/", routes![index])
}

Meta

rustc --version --verbose:

rustc 1.68.0-nightly (d0dc9efff 2022-12-18)
binary: rustc
commit-hash: d0dc9efff14ac0a1eeceffd1e605e37eeb8362a0
commit-date: 2022-12-18
host: x86_64-unknown-linux-gnu
release: 1.68.0-nightly
LLVM version: 15.0.6

Error output

error: internal compiler error: compiler/rustc_codegen_llvm/src/context.rs:971:13: failed to get layout for `&mut Pin<&mut server::shutdown::Graceful<rocket::http::private::Incoming<rocket::ext::CancellableListener<rocket::Shutdown, L>>, service::make::MakeServiceFn<[closure@rocket::server::<impl Rocket<Orbit>>::http_server<L>::{closure#0
}::{closure#2}]>, rocket::Shutdown, hyper::common::exec::Exec>>`: unable to determine layout for `&mut Pin<&mut server::shutdown::Graceful<rocket::http::private::Incoming<rocket::ext::CancellableListener<rocket::Shutdown, L>>, service::make::MakeServiceFn<[closure@rocket::server::<impl Rocket<Orbit>>::http_server<L>::{closure#0}::{closure
#2}]>, rocket::Shutdown, hyper::common::exec::Exec>>` because `&mut Pin<&mut server::shutdown::Graceful<rocket::http::private::Incoming<rocket::ext::CancellableListener<rocket::Shutdown, L>>, service::make::MakeServiceFn<[closure@rocket::server::<impl Rocket<Orbit>>::http_server<L>::{closure#0}::{closure#2}]>, rocket::Shutdown, hyper::com
mon::exec::Exec>>` cannot be normalized

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 1.68.0-nightly (d0dc9efff 2022-12-18) running on x86_64-unknown-linux-gnu

note: compiler flags: --crate-type bin -C embed-bitcode=no -C debuginfo=2 -C incremental=[REDACTED]

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

query stack during panic:
end of query stack
error: could not compile `webshop`

Backtrace

thread 'rustc' panicked at 'Box<dyn Any>', /rustc/d0dc9efff14ac0a1eeceffd1e605e37eeb8362a0/compiler/rustc_errors/src/lib.rs:973:33
   0:     0x7fde8a565a7a - std::backtrace_rs::backtrace::libunwind::trace::h196c489280b5a090
                               at /rustc/d0dc9efff14ac0a1eeceffd1e605e37eeb8362a0/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
   1:     0x7fde8a565a7a - std::backtrace_rs::backtrace::trace_unsynchronized::h13bf778637c29636
                               at /rustc/d0dc9efff14ac0a1eeceffd1e605e37eeb8362a0/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7fde8a565a7a - std::sys_common::backtrace::_print_fmt::h0f4861fc71bccacd
                               at /rustc/d0dc9efff14ac0a1eeceffd1e605e37eeb8362a0/library/std/src/sys_common/backtrace.rs:65:5
   3:     0x7fde8a565a7a - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5f011e3cd484ad42
                               at /rustc/d0dc9efff14ac0a1eeceffd1e605e37eeb8362a0/library/std/src/sys_common/backtrace.rs:44:22
   4:     0x7fde8a5c87ae - core::fmt::write::h1524a82fa967022b
                               at /rustc/d0dc9efff14ac0a1eeceffd1e605e37eeb8362a0/library/core/src/fmt/mod.rs:1208:17
   5:     0x7fde8a555e45 - std::io::Write::write_fmt::ha3d33adc534ae39a
                               at /rustc/d0dc9efff14ac0a1eeceffd1e605e37eeb8362a0/library/std/src/io/mod.rs:1682:15
   6:     0x7fde8a565845 - std::sys_common::backtrace::_print::h11f95f719c502811
                               at /rustc/d0dc9efff14ac0a1eeceffd1e605e37eeb8362a0/library/std/src/sys_common/backtrace.rs:47:5
   7:     0x7fde8a565845 - std::sys_common::backtrace::print::h71adea94b47d00ae
                               at /rustc/d0dc9efff14ac0a1eeceffd1e605e37eeb8362a0/library/std/src/sys_common/backtrace.rs:34:9
   8:     0x7fde8a56858f - std::panicking::default_hook::{{closure}}::he466417f162d07e8
                               at /rustc/d0dc9efff14ac0a1eeceffd1e605e37eeb8362a0/library/std/src/panicking.rs:267:22
   9:     0x7fde8a5682cb - std::panicking::default_hook::hff6ac2c6adb87df1
                               at /rustc/d0dc9efff14ac0a1eeceffd1e605e37eeb8362a0/library/std/src/panicking.rs:286:9
  10:     0x7fde8d84b261 - <rustc_driver[308d730545d14786]::DEFAULT_HOOK::{closure#0}::{closure#0} as core[cf0a937d1125fa47]::ops::function::FnOnce<(&core[cf0a937d1125fa47]::panic::panic_info::PanicInfo,)>>::call_once::{shim:vtable#0}
  11:     0x7fde8a568dcd - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h50ec27c76f2a595f
                               at /rustc/d0dc9efff14ac0a1eeceffd1e605e37eeb8362a0/library/alloc/src/boxed.rs:2032:9
  12:     0x7fde8a568dcd - std::panicking::rust_panic_with_hook::hcb61d2700034f188
                               at /rustc/d0dc9efff14ac0a1eeceffd1e605e37eeb8362a0/library/std/src/panicking.rs:692:13
  13:     0x7fde8d6e30a1 - std[645413f22396c11]::panicking::begin_panic::<rustc_errors[3067a2436b21c54]::ExplicitBug>::{closure#0}
  14:     0x7fde8d6e2856 - std[645413f22396c11]::sys_common::backtrace::__rust_end_short_backtrace::<std[645413f22396c11]::panicking::begin_panic<rustc_errors[3067a2436b21c54]::ExplicitBug>::{closure#0}, !>
  15:     0x7fde8d67c946 - std[645413f22396c11]::panicking::begin_panic::<rustc_errors[3067a2436b21c54]::ExplicitBug>
  16:     0x7fde8d6e2676 - std[645413f22396c11]::panic::panic_any::<rustc_errors[3067a2436b21c54]::ExplicitBug>
  17:     0x7fde8d6df9e9 - <rustc_errors[3067a2436b21c54]::HandlerInner>::span_bug::<rustc_span[7195c1839470b4e2]::span_encoding::Span, &alloc[e89cf99e2daa46aa]::string::String>
  18:     0x7fde8d6df650 - <rustc_errors[3067a2436b21c54]::Handler>::span_bug::<rustc_span[7195c1839470b4e2]::span_encoding::Span, &alloc[e89cf99e2daa46aa]::string::String>
  19:     0x7fde8d6e29f9 - rustc_middle[3f796d6b9d25fb15]::ty::context::tls::with_context_opt::<rustc_middle[3f796d6b9d25fb15]::ty::context::tls::with_opt<rustc_middle[3f796d6b9d25fb15]::util::bug::opt_span_bug_fmt<rustc_span[7195c1839470b4e2]::span_encoding::Span>::{closure#0}, ()>::{closure#0}, ()>
  20:     0x7fde8d6e2846 - rustc_middle[3f796d6b9d25fb15]::util::bug::opt_span_bug_fmt::<rustc_span[7195c1839470b4e2]::span_encoding::Span>
  21:     0x7fde8bf213e4 - rustc_middle[3f796d6b9d25fb15]::util::bug::span_bug_fmt::<rustc_span[7195c1839470b4e2]::span_encoding::Span>
  22:     0x7fde8d686412 - <rustc_codegen_llvm[a48ef6c2d8d93bca]::context::CodegenCx as rustc_middle[3f796d6b9d25fb15]::ty::layout::LayoutOfHelpers>::handle_layout_err
  23:     0x7fde8d682f51 - <rustc_codegen_llvm[a48ef6c2d8d93bca]::context::CodegenCx as rustc_middle[3f796d6b9d25fb15]::ty::layout::LayoutOf>::spanned_layout_of::{closure#0}
  24:     0x7fde8d68601a - <rustc_codegen_llvm[a48ef6c2d8d93bca]::context::CodegenCx as rustc_middle[3f796d6b9d25fb15]::ty::layout::LayoutOf>::layout_of
  25:     0x7fde8d67b456 - <rustc_codegen_ssa[833d31b763ae114d]::mir::place::PlaceRef<&rustc_codegen_llvm[a48ef6c2d8d93bca]::llvm_::ffi::Value>>::project_type::<rustc_codegen_llvm[a48ef6c2d8d93bca]::builder::Builder>
  26:     0x7fde8bf25019 - <rustc_codegen_ssa[833d31b763ae114d]::mir::FunctionCx<rustc_codegen_llvm[a48ef6c2d8d93bca]::builder::Builder>>::codegen_place
  27:     0x7fde8bf00e50 - <rustc_codegen_ssa[833d31b763ae114d]::mir::FunctionCx<rustc_codegen_llvm[a48ef6c2d8d93bca]::builder::Builder>>::codegen_block
  28:     0x7fde8beede07 - rustc_codegen_ssa[833d31b763ae114d]::mir::codegen_mir::<rustc_codegen_llvm[a48ef6c2d8d93bca]::builder::Builder>
  29:     0x7fde8cd10cf6 - rustc_codegen_llvm[a48ef6c2d8d93bca]::base::compile_codegen_unit::module_codegen
  30:     0x7fde8ceda6fc - <rustc_query_system[3cfc2c8ad6a9fb05]::dep_graph::graph::DepGraph<rustc_middle[3f796d6b9d25fb15]::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle[3f796d6b9d25fb15]::ty::context::TyCtxt, rustc_span[7195c1839470b4e2]::symbol::Symbol, rustc_codegen_ssa[833d31b763ae114d]::ModuleCodegen<rustc_codegen_llvm[a4
8ef6c2d8d93bca]::ModuleLlvm>>
  31:     0x7fde8ceda2d7 - <rustc_codegen_llvm[a48ef6c2d8d93bca]::LlvmCodegenBackend as rustc_codegen_ssa[833d31b763ae114d]::traits::backend::ExtraBackendMethods>::compile_codegen_unit
  32:     0x7fde8ced7d33 - rustc_codegen_ssa[833d31b763ae114d]::base::codegen_crate::<rustc_codegen_llvm[a48ef6c2d8d93bca]::LlvmCodegenBackend>
  33:     0x7fde8ced74d9 - <rustc_codegen_llvm[a48ef6c2d8d93bca]::LlvmCodegenBackend as rustc_codegen_ssa[833d31b763ae114d]::traits::backend::CodegenBackend>::codegen_crate
  34:     0x7fde8cada611 - <rustc_session[285c9883f1e66712]::session::Session>::time::<alloc[e89cf99e2daa46aa]::boxed::Box<dyn core[cf0a937d1125fa47]::any::Any>, rustc_interface[ef42ad965cd11b9c]::passes::start_codegen::{closure#0}>
  35:     0x7fde8cada139 - rustc_interface[ef42ad965cd11b9c]::passes::start_codegen
  36:     0x7fde8cad7e36 - <rustc_interface[ef42ad965cd11b9c]::passes::QueryContext>::enter::<<rustc_interface[ef42ad965cd11b9c]::queries::Queries>::ongoing_codegen::{closure#0}::{closure#0}, core[cf0a937d1125fa47]::result::Result<alloc[e89cf99e2daa46aa]::boxed::Box<dyn core[cf0a937d1125fa47]::any::Any>, rustc_errors[3067a2436b21c54]::Err
orGuaranteed>>
  37:     0x7fde8cad52e6 - <rustc_interface[ef42ad965cd11b9c]::queries::Queries>::ongoing_codegen
  38:     0x7fde8cad4807 - <rustc_interface[ef42ad965cd11b9c]::interface::Compiler>::enter::<rustc_driver[308d730545d14786]::run_compiler::{closure#1}::{closure#2}, core[cf0a937d1125fa47]::result::Result<core[cf0a937d1125fa47]::option::Option<rustc_interface[ef42ad965cd11b9c]::queries::Linker>, rustc_errors[3067a2436b21c54]::ErrorGuarante
ed>>
  39:     0x7fde8cacf7e8 - rustc_span[7195c1839470b4e2]::with_source_map::<core[cf0a937d1125fa47]::result::Result<(), rustc_errors[3067a2436b21c54]::ErrorGuaranteed>, rustc_interface[ef42ad965cd11b9c]::interface::run_compiler<core[cf0a937d1125fa47]::result::Result<(), rustc_errors[3067a2436b21c54]::ErrorGuaranteed>, rustc_driver[308d73054
5d14786]::run_compiler::{closure#1}>::{closure#0}::{closure#0}>
  40:     0x7fde8cacf2d5 - <scoped_tls[39b0712e649d5f34]::ScopedKey<rustc_span[7195c1839470b4e2]::SessionGlobals>>::set::<rustc_interface[ef42ad965cd11b9c]::interface::run_compiler<core[cf0a937d1125fa47]::result::Result<(), rustc_errors[3067a2436b21c54]::ErrorGuaranteed>, rustc_driver[308d730545d14786]::run_compiler::{closure#1}>::{closur
e#0}, core[cf0a937d1125fa47]::result::Result<(), rustc_errors[3067a2436b21c54]::ErrorGuaranteed>>
  41:     0x7fde8cace8c2 - std[645413f22396c11]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[ef42ad965cd11b9c]::util::run_in_thread_pool_with_globals<rustc_interface[ef42ad965cd11b9c]::interface::run_compiler<core[cf0a937d1125fa47]::result::Result<(), rustc_errors[3067a2436b21c54]::ErrorGuaranteed>, rustc_driver[
308d730545d14786]::run_compiler::{closure#1}>::{closure#0}, core[cf0a937d1125fa47]::result::Result<(), rustc_errors[3067a2436b21c54]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[cf0a937d1125fa47]::result::Result<(), rustc_errors[3067a2436b21c54]::ErrorGuaranteed>>
  42:     0x7fde8d10827a - <<std[645413f22396c11]::thread::Builder>::spawn_unchecked_<rustc_interface[ef42ad965cd11b9c]::util::run_in_thread_pool_with_globals<rustc_interface[ef42ad965cd11b9c]::interface::run_compiler<core[cf0a937d1125fa47]::result::Result<(), rustc_errors[3067a2436b21c54]::ErrorGuaranteed>, rustc_driver[308d730545d14786]
::run_compiler::{closure#1}>::{closure#0}, core[cf0a937d1125fa47]::result::Result<(), rustc_errors[3067a2436b21c54]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[cf0a937d1125fa47]::result::Result<(), rustc_errors[3067a2436b21c54]::ErrorGuaranteed>>::{closure#1} as core[cf0a937d1125fa47]::ops::function::FnOnce<()>>::call_once::{shim:v
table#0}
  43:     0x7fde8a572dc3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hfa728446fdf5ae93
                               at /rustc/d0dc9efff14ac0a1eeceffd1e605e37eeb8362a0/library/alloc/src/boxed.rs:2000:9
  44:     0x7fde8a572dc3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3934f485a9254b50
                               at /rustc/d0dc9efff14ac0a1eeceffd1e605e37eeb8362a0/library/alloc/src/boxed.rs:2000:9
  45:     0x7fde8a572dc3 - std::sys::unix::thread::Thread::new::thread_start::he535d9cd9ed14925
                               at /rustc/d0dc9efff14ac0a1eeceffd1e605e37eeb8362a0/library/std/src/sys/unix/thread.rs:108:17
  46:     0x7fde8a3058fd - <unknown>
  47:     0x7fde8a387a60 - <unknown>
  48:                0x0 - <unknown>

[Noratrieb]

This is a duplicate of #105809, which has been fixed. If you update to the latest nightly it should work again.

[ThomasFrans]

Ok, I should have searched for duplicates first but I didn't know what the error was. Hard to search that way 🙂