Closed
Description
Code
trait Structure<E>: Sized {
type RefTarget: ?Sized;
type FfiPtr;
unsafe fn borrow_from_ffi_ptr<'a>(ptr: Self::FfiPtr) -> Option<&'a Self::RefTarget>;
}
enum Slice {}
impl<E> Structure<E> for Slice
where
S: Structure<E>,
E: Encoding,
{
type RefTarget = [E::Unit];
type FfiPtr = (*const E::FfiUnit, usize);
}
trait Encoding {
type Unit: Unit;
type FfiUnit;
}
trait Unit {}
enum Utf16 {}
impl Encoding for Utf16 {
type Unit = Utf16Unit;
type FfiUnit = u16;
}
struct Utf16Unit(pub u16);
struct SUtf16Str {
_data: <Slice as Structure<Utf16>>::RefTarget,
}
impl SUtf16Str {
pub unsafe fn from_ptr<'a>(ptr: <Slice as Structure<Utf16>>::FfiPtr) -> Option<&'a Self> {
std::mem::transmute::<Option<&[<Utf16 as Encoding>::Unit]>, _>(<Slice as Structure<
Utf16,
>>::borrow_from_ffi_ptr(
ptr
))
}
}Meta
rustc --version --verbose:
rustc 1.72.0-nightly (1d7d82472 2023-06-17)
binary: rustc
commit-hash: 1d7d82472617a4a0fea59c7e239c8a48c8ac5c34
commit-date: 2023-06-17
host: x86_64-unknown-linux-gnu
release: 1.72.0-nightly
LLVM version: 16.0.5
Error output
error[E0412]: cannot find type `S` in this scope
--> treereduce.out:11:5
|
9 | impl<E> Structure<E> for Slice
| - similarly named type parameter `E` defined here
10 | where
11 | S: Structure<E>,
| ^ help: a type parameter with a similar name exists: `E`
error[E0601]: `main` function not found in crate `treereduce`
--> treereduce.out:46:2
|
46 | }
| ^ consider adding a `main` function to `treereduce.out`
error[E0046]: not all trait items implemented, missing: `borrow_from_ffi_ptr`
--> treereduce.out:9:1
|
4 | unsafe fn borrow_from_ffi_ptr<'a>(ptr: Self::FfiPtr) -> Option<&'a Self::RefTarget>;
| ------------------------------------------------------------------------------------ `borrow_from_ffi_ptr` from trait
...
9 | impl<E> Structure<E> for Slice
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `borrow_from_ffi_ptr` in implementation
error[E0277]: the trait bound `Utf16Unit: Unit` is not satisfied
--> treereduce.out:28:17
|
28 | type Unit = Utf16Unit;
| ^^^^^^^^^ the trait `Unit` is not implemented for `Utf16Unit`
|
note: required by a bound in `Encoding::Unit`
--> treereduce.out:19:16
|
19 | type Unit: Unit;
| ^^^^ required by this bound in `Encoding::Unit`
Backtrace
error: internal compiler error: compiler/rustc_middle/src/ty/normalize_erasing_regions.rs:195:90: Failed to normalize <Slice as Structure<Utf16>>::RefTarget, maybe try to call `try_normalize_erasing_regions` instead
thread 'rustc' panicked at 'Box<dyn Any>', /rustc/1d7d82472617a4a0fea59c7e239c8a48c8ac5c34/compiler/rustc_errors/src/lib.rs:1650:9
stack backtrace:
0: 0x7faab1f60821 - std::backtrace_rs::backtrace::libunwind::trace::h6e3584f9aa263648
at /rustc/1d7d82472617a4a0fea59c7e239c8a48c8ac5c34/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
1: 0x7faab1f60821 - std::backtrace_rs::backtrace::trace_unsynchronized::h7cba45a2d56b3723
at /rustc/1d7d82472617a4a0fea59c7e239c8a48c8ac5c34/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
2: 0x7faab1f60821 - std::sys_common::backtrace::_print_fmt::hb3e5f2b800058c47
at /rustc/1d7d82472617a4a0fea59c7e239c8a48c8ac5c34/library/std/src/sys_common/backtrace.rs:65:5
3: 0x7faab1f60821 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hc6fcd56f05592786
at /rustc/1d7d82472617a4a0fea59c7e239c8a48c8ac5c34/library/std/src/sys_common/backtrace.rs:44:22
4: 0x7faab1fc1b2f - core::fmt::rt::Argument::fmt::hb8b6762d96a2930c
at /rustc/1d7d82472617a4a0fea59c7e239c8a48c8ac5c34/library/core/src/fmt/rt.rs:138:9
5: 0x7faab1fc1b2f - core::fmt::write::ha824b1be2c398991
at /rustc/1d7d82472617a4a0fea59c7e239c8a48c8ac5c34/library/core/src/fmt/mod.rs:1094:21
6: 0x7faab1f53a31 - std::io::Write::write_fmt::h4bbc557c498e18be
at /rustc/1d7d82472617a4a0fea59c7e239c8a48c8ac5c34/library/std/src/io/mod.rs:1713:15
7: 0x7faab1f60635 - std::sys_common::backtrace::_print::hb6a2afc924d1ac9a
at /rustc/1d7d82472617a4a0fea59c7e239c8a48c8ac5c34/library/std/src/sys_common/backtrace.rs:47:5
8: 0x7faab1f60635 - std::sys_common::backtrace::print::h39a60e9b1dd2b988
at /rustc/1d7d82472617a4a0fea59c7e239c8a48c8ac5c34/library/std/src/sys_common/backtrace.rs:34:9
9: 0x7faab1f63317 - std::panicking::default_hook::{{closure}}::hf1636ea70b88baf6
10: 0x7faab1f63104 - std::panicking::default_hook::h25db0e741a15cb6c
at /rustc/1d7d82472617a4a0fea59c7e239c8a48c8ac5c34/library/std/src/panicking.rs:288:9
11: 0x7faab0dc105b - <rustc_driver_impl[9fb98086b5dc1b8]::install_ice_hook::{closure#0} as core[5a025f5ac19a3684]::ops::function::FnOnce<(&core[5a025f5ac19a3684]::panic::panic_info::PanicInfo,)>>::call_once::{shim:vtable#0}
12: 0x7faab1f63a5d - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb67fc0de76dc4685
at /rustc/1d7d82472617a4a0fea59c7e239c8a48c8ac5c34/library/alloc/src/boxed.rs:1999:9
13: 0x7faab1f63a5d - std::panicking::rust_panic_with_hook::h6c10fd1f40066f99
at /rustc/1d7d82472617a4a0fea59c7e239c8a48c8ac5c34/library/std/src/panicking.rs:709:13
14: 0x7faab12c21b1 - std[5e6a7ab4ec51e2fa]::panicking::begin_panic::<rustc_errors[db6e693a4d78f721]::ExplicitBug>::{closure#0}
15: 0x7faab12c0e06 - std[5e6a7ab4ec51e2fa]::sys_common::backtrace::__rust_end_short_backtrace::<std[5e6a7ab4ec51e2fa]::panicking::begin_panic<rustc_errors[db6e693a4d78f721]::ExplicitBug>::{closure#0}, !>
16: 0x7faab13572a6 - std[5e6a7ab4ec51e2fa]::panicking::begin_panic::<rustc_errors[db6e693a4d78f721]::ExplicitBug>
17: 0x7faab12bdbd4 - <rustc_errors[db6e693a4d78f721]::HandlerInner>::bug::<alloc[31842ca5441cdb56]::string::String>
18: 0x7faab12bda56 - <rustc_errors[db6e693a4d78f721]::Handler>::bug::<alloc[31842ca5441cdb56]::string::String>
19: 0x7faab131142c - rustc_middle[c2d4873b804b2cf0]::util::bug::opt_span_bug_fmt::<rustc_span[7bbc48c8a570ee79]::span_encoding::Span>::{closure#0}
20: 0x7faab130e2ca - rustc_middle[c2d4873b804b2cf0]::ty::context::tls::with_opt::<rustc_middle[c2d4873b804b2cf0]::util::bug::opt_span_bug_fmt<rustc_span[7bbc48c8a570ee79]::span_encoding::Span>::{closure#0}, !>::{closure#0}
21: 0x7faab130e29a - rustc_middle[c2d4873b804b2cf0]::ty::context::tls::with_context_opt::<rustc_middle[c2d4873b804b2cf0]::ty::context::tls::with_opt<rustc_middle[c2d4873b804b2cf0]::util::bug::opt_span_bug_fmt<rustc_span[7bbc48c8a570ee79]::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
22: 0x7faaaf04f89d - rustc_middle[c2d4873b804b2cf0]::util::bug::bug_fmt
23: 0x7faab0287805 - <rustc_middle[c2d4873b804b2cf0]::ty::normalize_erasing_regions::NormalizeAfterErasingRegionsFolder>::normalize_generic_arg_after_erasing_regions
24: 0x7faaaf337db3 - <rustc_middle[c2d4873b804b2cf0]::ty::Ty as rustc_type_ir[ec7fec18ba31fd26]::fold::TypeFoldable<rustc_middle[c2d4873b804b2cf0]::ty::context::TyCtxt>>::fold_with::<rustc_middle[c2d4873b804b2cf0]::ty::normalize_erasing_regions::NormalizeAfterErasingRegionsFolder>
25: 0x7faaaf5b9a13 - <rustc_middle[c2d4873b804b2cf0]::ty::context::TyCtxt>::struct_tail_erasing_lifetimes
26: 0x7faaafd6b4cc - rustc_ty_utils[f36d30a9cf7df766]::layout::layout_of
27: 0x7faaaedd80e0 - rustc_query_impl[7260f550d3fae5ad]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[7260f550d3fae5ad]::query_impl::layout_of::dynamic_query::{closure#2}::{closure#0}, rustc_middle[c2d4873b804b2cf0]::query::erase::Erased<[u8; 24usize]>>
28: 0x7faaaf677577 - rustc_query_system[fd595a8868fcd518]::query::plumbing::try_execute_query::<rustc_query_impl[7260f550d3fae5ad]::DynamicConfig<rustc_query_system[fd595a8868fcd518]::query::caches::DefaultCache<rustc_middle[c2d4873b804b2cf0]::ty::ParamEnvAnd<rustc_middle[c2d4873b804b2cf0]::ty::Ty>, rustc_middle[c2d4873b804b2cf0]::query::erase::Erased<[u8; 24usize]>>, false, true, false>, rustc_query_impl[7260f550d3fae5ad]::plumbing::QueryCtxt, false>
29: 0x7faaaf6771aa - rustc_query_impl[7260f550d3fae5ad]::query_impl::layout_of::get_query_non_incr::__rust_end_short_backtrace
30: 0x7faaaef350c4 - <core[5a025f5ac19a3684]::iter::adapters::GenericShunt<core[5a025f5ac19a3684]::iter::adapters::by_ref_sized::ByRefSized<core[5a025f5ac19a3684]::iter::adapters::map::Map<core[5a025f5ac19a3684]::slice::iter::Iter<rustc_middle[c2d4873b804b2cf0]::ty::FieldDef>, rustc_ty_utils[f36d30a9cf7df766]::layout::layout_of_uncached::{closure#5}::{closure#0}>>, core[5a025f5ac19a3684]::result::Result<core[5a025f5ac19a3684]::convert::Infallible, rustc_middle[c2d4873b804b2cf0]::ty::layout::LayoutError>> as core[5a025f5ac19a3684]::iter::traits::iterator::Iterator>::next
31: 0x7faaafd7084b - core[5a025f5ac19a3684]::iter::adapters::try_process::<core[5a025f5ac19a3684]::iter::adapters::by_ref_sized::ByRefSized<core[5a025f5ac19a3684]::iter::adapters::map::Map<core[5a025f5ac19a3684]::slice::iter::Iter<rustc_middle[c2d4873b804b2cf0]::ty::VariantDef>, rustc_ty_utils[f36d30a9cf7df766]::layout::layout_of_uncached::{closure#5}>>, rustc_index[d5751782e61451cb]::vec::IndexVec<rustc_abi[3d47570f4488febf]::FieldIdx, rustc_abi[3d47570f4488febf]::Layout>, core[5a025f5ac19a3684]::result::Result<core[5a025f5ac19a3684]::convert::Infallible, rustc_middle[c2d4873b804b2cf0]::ty::layout::LayoutError>, <core[5a025f5ac19a3684]::iter::adapters::map::Map<core[5a025f5ac19a3684]::slice::iter::Iter<rustc_middle[c2d4873b804b2cf0]::ty::VariantDef>, rustc_ty_utils[f36d30a9cf7df766]::layout::layout_of_uncached::{closure#5}> as core[5a025f5ac19a3684]::iter::traits::iterator::Iterator>::try_collect<rustc_index[d5751782e61451cb]::vec::IndexVec<rustc_abi[3d47570f4488febf]::VariantIdx, rustc_index[d5751782e61451cb]::vec::IndexVec<rustc_abi[3d47570f4488febf]::FieldIdx, rustc_abi[3d47570f4488febf]::Layout>>>::{closure#0}, rustc_index[d5751782e61451cb]::vec::IndexVec<rustc_abi[3d47570f4488febf]::VariantIdx, rustc_index[d5751782e61451cb]::vec::IndexVec<rustc_abi[3d47570f4488febf]::FieldIdx, rustc_abi[3d47570f4488febf]::Layout>>>
32: 0x7faaafd6aa71 - rustc_ty_utils[f36d30a9cf7df766]::layout::layout_of
33: 0x7faaaedd80e0 - rustc_query_impl[7260f550d3fae5ad]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[7260f550d3fae5ad]::query_impl::layout_of::dynamic_query::{closure#2}::{closure#0}, rustc_middle[c2d4873b804b2cf0]::query::erase::Erased<[u8; 24usize]>>
34: 0x7faaaf677577 - rustc_query_system[fd595a8868fcd518]::query::plumbing::try_execute_query::<rustc_query_impl[7260f550d3fae5ad]::DynamicConfig<rustc_query_system[fd595a8868fcd518]::query::caches::DefaultCache<rustc_middle[c2d4873b804b2cf0]::ty::ParamEnvAnd<rustc_middle[c2d4873b804b2cf0]::ty::Ty>, rustc_middle[c2d4873b804b2cf0]::query::erase::Erased<[u8; 24usize]>>, false, true, false>, rustc_query_impl[7260f550d3fae5ad]::plumbing::QueryCtxt, false>
35: 0x7faaaf6771aa - rustc_query_impl[7260f550d3fae5ad]::query_impl::layout_of::get_query_non_incr::__rust_end_short_backtrace
36: 0x7faaaffcf0c9 - <rustc_middle[c2d4873b804b2cf0]::ty::layout::SizeSkeleton>::compute
37: 0x7faab03973c8 - <rustc_hir_typeck[a6c8b38659ddb931]::fn_ctxt::FnCtxt>::check_transmute
38: 0x7faaaf61909f - rustc_hir_typeck[a6c8b38659ddb931]::typeck
39: 0x7faaaee09a8c - rustc_query_impl[7260f550d3fae5ad]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[7260f550d3fae5ad]::query_impl::typeck::dynamic_query::{closure#2}::{closure#0}, rustc_middle[c2d4873b804b2cf0]::query::erase::Erased<[u8; 8usize]>>
40: 0x7faaaee09a6e - <rustc_query_impl[7260f550d3fae5ad]::query_impl::typeck::dynamic_query::{closure#2} as core[5a025f5ac19a3684]::ops::function::FnOnce<(rustc_middle[c2d4873b804b2cf0]::ty::context::TyCtxt, rustc_span[7bbc48c8a570ee79]::def_id::LocalDefId)>>::call_once
41: 0x7faaaeed2d4d - rustc_query_system[fd595a8868fcd518]::query::plumbing::try_execute_query::<rustc_query_impl[7260f550d3fae5ad]::DynamicConfig<rustc_query_system[fd595a8868fcd518]::query::caches::VecCache<rustc_span[7bbc48c8a570ee79]::def_id::LocalDefId, rustc_middle[c2d4873b804b2cf0]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[7260f550d3fae5ad]::plumbing::QueryCtxt, false>
42: 0x7faab073115f - rustc_query_impl[7260f550d3fae5ad]::query_impl::typeck::get_query_non_incr::__rust_end_short_backtrace
43: 0x7faaaef4f75d - rustc_query_impl[7260f550d3fae5ad]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[7260f550d3fae5ad]::query_impl::used_trait_imports::dynamic_query::{closure#2}::{closure#0}, rustc_middle[c2d4873b804b2cf0]::query::erase::Erased<[u8; 8usize]>>
44: 0x7faaaef4f6be - <rustc_query_impl[7260f550d3fae5ad]::query_impl::used_trait_imports::dynamic_query::{closure#2} as core[5a025f5ac19a3684]::ops::function::FnOnce<(rustc_middle[c2d4873b804b2cf0]::ty::context::TyCtxt, rustc_span[7bbc48c8a570ee79]::def_id::LocalDefId)>>::call_once
45: 0x7faaaeed2d4d - rustc_query_system[fd595a8868fcd518]::query::plumbing::try_execute_query::<rustc_query_impl[7260f550d3fae5ad]::DynamicConfig<rustc_query_system[fd595a8868fcd518]::query::caches::VecCache<rustc_span[7bbc48c8a570ee79]::def_id::LocalDefId, rustc_middle[c2d4873b804b2cf0]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[7260f550d3fae5ad]::plumbing::QueryCtxt, false>
46: 0x7faab073124f - rustc_query_impl[7260f550d3fae5ad]::query_impl::used_trait_imports::get_query_non_incr::__rust_end_short_backtrace
47: 0x7faab01e27b6 - rustc_hir_analysis[e24c9918eefe89cd]::check_crate
48: 0x7faab01d580a - rustc_interface[75da62af7afad68]::passes::analysis
49: 0x7faab023d1aa - rustc_query_impl[7260f550d3fae5ad]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[7260f550d3fae5ad]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[c2d4873b804b2cf0]::query::erase::Erased<[u8; 1usize]>>
50: 0x7faab023d199 - <rustc_query_impl[7260f550d3fae5ad]::query_impl::analysis::dynamic_query::{closure#2} as core[5a025f5ac19a3684]::ops::function::FnOnce<(rustc_middle[c2d4873b804b2cf0]::ty::context::TyCtxt, ())>>::call_once
51: 0x7faab0457ae8 - rustc_query_system[fd595a8868fcd518]::query::plumbing::try_execute_query::<rustc_query_impl[7260f550d3fae5ad]::DynamicConfig<rustc_query_system[fd595a8868fcd518]::query::caches::SingleCache<rustc_middle[c2d4873b804b2cf0]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[7260f550d3fae5ad]::plumbing::QueryCtxt, false>
52: 0x7faab04578c7 - rustc_query_impl[7260f550d3fae5ad]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
53: 0x7faab02f4ca5 - <rustc_middle[c2d4873b804b2cf0]::ty::context::GlobalCtxt>::enter::<rustc_driver_impl[9fb98086b5dc1b8]::run_compiler::{closure#1}::{closure#2}::{closure#4}, core[5a025f5ac19a3684]::result::Result<(), rustc_span[7bbc48c8a570ee79]::ErrorGuaranteed>>
54: 0x7faab02f3c06 - rustc_span[7bbc48c8a570ee79]::set_source_map::<core[5a025f5ac19a3684]::result::Result<(), rustc_span[7bbc48c8a570ee79]::ErrorGuaranteed>, rustc_interface[75da62af7afad68]::interface::run_compiler<core[5a025f5ac19a3684]::result::Result<(), rustc_span[7bbc48c8a570ee79]::ErrorGuaranteed>, rustc_driver_impl[9fb98086b5dc1b8]::run_compiler::{closure#1}>::{closure#0}::{closure#0}>
55: 0x7faab02ec3f9 - <scoped_tls[5be461245172b0fd]::ScopedKey<rustc_span[7bbc48c8a570ee79]::SessionGlobals>>::set::<rustc_interface[75da62af7afad68]::interface::run_compiler<core[5a025f5ac19a3684]::result::Result<(), rustc_span[7bbc48c8a570ee79]::ErrorGuaranteed>, rustc_driver_impl[9fb98086b5dc1b8]::run_compiler::{closure#1}>::{closure#0}, core[5a025f5ac19a3684]::result::Result<(), rustc_span[7bbc48c8a570ee79]::ErrorGuaranteed>>
56: 0x7faab02eb9f6 - std[5e6a7ab4ec51e2fa]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[75da62af7afad68]::util::run_in_thread_pool_with_globals<rustc_interface[75da62af7afad68]::interface::run_compiler<core[5a025f5ac19a3684]::result::Result<(), rustc_span[7bbc48c8a570ee79]::ErrorGuaranteed>, rustc_driver_impl[9fb98086b5dc1b8]::run_compiler::{closure#1}>::{closure#0}, core[5a025f5ac19a3684]::result::Result<(), rustc_span[7bbc48c8a570ee79]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[5a025f5ac19a3684]::result::Result<(), rustc_span[7bbc48c8a570ee79]::ErrorGuaranteed>>
57: 0x7faab02eb7a5 - <<std[5e6a7ab4ec51e2fa]::thread::Builder>::spawn_unchecked_<rustc_interface[75da62af7afad68]::util::run_in_thread_pool_with_globals<rustc_interface[75da62af7afad68]::interface::run_compiler<core[5a025f5ac19a3684]::result::Result<(), rustc_span[7bbc48c8a570ee79]::ErrorGuaranteed>, rustc_driver_impl[9fb98086b5dc1b8]::run_compiler::{closure#1}>::{closure#0}, core[5a025f5ac19a3684]::result::Result<(), rustc_span[7bbc48c8a570ee79]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[5a025f5ac19a3684]::result::Result<(), rustc_span[7bbc48c8a570ee79]::ErrorGuaranteed>>::{closure#1} as core[5a025f5ac19a3684]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
58: 0x7faab1f6df55 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3b57fe0fe8253eda
at /rustc/1d7d82472617a4a0fea59c7e239c8a48c8ac5c34/library/alloc/src/boxed.rs:1985:9
59: 0x7faab1f6df55 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6eac2c7c988070fa
at /rustc/1d7d82472617a4a0fea59c7e239c8a48c8ac5c34/library/alloc/src/boxed.rs:1985:9
60: 0x7faab1f6df55 - std::sys::unix::thread::Thread::new::thread_start::h8d73f1104f34aa7b
at /rustc/1d7d82472617a4a0fea59c7e239c8a48c8ac5c34/library/std/src/sys/unix/thread.rs:108:17
61: 0x7faaada6444b - <unknown>
62: 0x7faaadae7e40 - <unknown>
63: 0x0 - <unknown>
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 1.72.0-nightly (1d7d82472 2023-06-17) running on x86_64-unknown-linux-gnu
query stack during panic:
#0 [layout_of] computing layout of `&SUtf16Str`
#1 [layout_of] computing layout of `core::option::Option<&SUtf16Str>`
#2 [typeck] type-checking `<impl at treereduce.out:38:1: 38:15>::from_ptr`
#3 [used_trait_imports] finding used_trait_imports `<impl at treereduce.out:38:1: 38:15>::from_ptr`
#4 [analysis] running analysis passes on this crate
end of query stack
error: aborting due to 5 previous errors
Some errors have detailed explanations: E0046, E0277, E0412, E0601.
For more information about an error, try `rustc --explain E0046`.