Closed
Description
My cargo build is failing with a panic, directing me here to post information.
I tried this code:
guid.rs:
pub type GuidPrefix = [u8; 12];
#[derive(Default, Debug, PartialEq, Copy, Clone)]
pub struct Guid {
pub guid_prefix: GuidPrefix,
pub entity_id: EntityId
}
impl Guid {
pub fn new() -> Self {
Guid {
guid_prefix: [0; 12],
entity_id: EntityId {
entity_key: [0; 3],
entity_kind: EntityKind::UserUnknown
}
}
}
}
entity_id.rs:
#[derive(Default, Debug, PartialEq, Copy, Clone, Deserialize, Serialize)]
pub struct EntityId {
pub entity_key: [u8; 3],
pub entity_kind: EntityKind,
}
I expected to see this happen: no panics
Instead, this happened: panic
Meta
rustc --version --verbose:
$ rustc --version --verbose
rustc 1.15.0-nightly (0ed951993 2016-11-14)
binary: rustc
commit-hash: 0ed951993fb5721a303ca5fa743543dd9f3f6b10
commit-date: 2016-11-14
host: x86_64-apple-darwin
release: 1.15.0-nightly
LLVM version: 3.9
Backtrace:
LP-XLANGE-OSX:rtps xlange$ RUST_BACKTRACE=1 cargo build
Compiling rtps v0.2.4 (file:///Users/xlange/code/rust/rtps)
error[E0428]: a value named `_IMPL_SERIALIZE_FOR_EntityId` has already been defined in this module
--> src/common_types/entity_id.rs:66:63
|
66 | #[derive(Default, Debug, PartialEq, Copy, Clone, Deserialize, Serialize)]
| ----------- ^^^^^^^^^ already defined
| |
| previous definition of `_IMPL_SERIALIZE_FOR_EntityId` here
error[E0428]: a type named `EntityId` has already been defined in this module
--> src/common_types/entity_id.rs:67:1
|
66 | #[derive(Default, Debug, PartialEq, Copy, Clone, Deserialize, Serialize)]
| --------- previous definition of `EntityId` here
67 | pub struct EntityId {
| ^ already defined
error[E0428]: a value named `_IMPL_SERIALIZE_FOR_FragmentNumberSet` has already been defined in this module
--> src/common_types/fragment_number.rs:3:38
|
3 | #[derive(PartialEq,Debug,Deserialize,Serialize,Copy,Clone)]
| ----------- ^^^^^^^^^ already defined
| |
| previous definition of `_IMPL_SERIALIZE_FOR_FragmentNumberSet` here
error[E0428]: a type named `FragmentNumberSet` has already been defined in this module
--> src/common_types/fragment_number.rs:4:1
|
3 | #[derive(PartialEq,Debug,Deserialize,Serialize,Copy,Clone)]
| --------- previous definition of `FragmentNumberSet` here
4 | pub struct FragmentNumberSet {
| ^ already defined
error[E0428]: a type named `ArcBuffer` has already been defined in this module
--> src/common_types/rc_buffer.rs:7:1
|
6 | #[derive(Debug, Clone, PartialEq, Serialize)]
| --------- previous definition of `ArcBuffer` here
7 | pub struct ArcBuffer {
| ^ already defined
error[E0428]: a value named `_IMPL_DESERIALIZE_FOR_SequenceNumberSet` has already been defined in this module
--> src/common_types/sequence_number.rs:7:36
|
7 | #[derive(PartialEq,Debug,Serialize,Deserialize,Copy,Clone,Default)]
| --------- ^^^^^^^^^^^ already defined
| |
| previous definition of `_IMPL_DESERIALIZE_FOR_SequenceNumberSet` here
error[E0428]: a type named `SequenceNumberSet` has already been defined in this module
--> src/common_types/sequence_number.rs:8:1
|
7 | #[derive(PartialEq,Debug,Serialize,Deserialize,Copy,Clone,Default)]
| ----------- previous definition of `SequenceNumberSet` here
8 | pub struct SequenceNumberSet {
| ^ already defined
error[E0428]: a value named `_IMPL_SERIALIZE_FOR_Timestamp` has already been defined in this module
--> src/common_types/timestamp.rs:1:38
|
1 | #[derive(PartialEq,Debug,Deserialize,Serialize,Clone,Copy)]
| ----------- ^^^^^^^^^ already defined
| |
| previous definition of `_IMPL_SERIALIZE_FOR_Timestamp` here
error[E0428]: a type named `Timestamp` has already been defined in this module
--> src/common_types/timestamp.rs:2:1
|
1 | #[derive(PartialEq,Debug,Deserialize,Serialize,Clone,Copy)]
| --------- previous definition of `Timestamp` here
2 | pub struct Timestamp {
| ^ already defined
error[E0428]: a type named `Message` has already been defined in this module
--> src/message/mod.rs:10:1
|
9 | #[derive(Deserialize,Debug,PartialEq)]
| ----------- previous definition of `Message` here
10 | pub struct Message {
| ^ already defined
error[E0428]: a type named `Submessage` has already been defined in this module
--> src/submessage.rs:7:1
|
6 | #[derive(Deserialize, Debug, PartialEq)]
| ----------- previous definition of `Submessage` here
7 | pub struct Submessage {
| ^ already defined
error[E0432]: unresolved import `super::super::super::sync::Monitor`
--> src/entity/traits/history_cache_trait.rs:4:5
|
4 | use super::super::super::sync::Monitor;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `Monitor` in `sync`
error[E0432]: unresolved import `super::super::super::sync::Monitor`
--> src/entity/reader/stateless_reader.rs:14:5
|
14 | use super::super::super::sync::Monitor;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `Monitor` in `sync`
error[E0204]: the trait `Copy` may not be implemented for this type
--> src/common_types/guid.rs:5:37
|
5 | #[derive(Default, Debug, PartialEq, Copy, Clone)]
| ^^^^ field `entity_id` does not implement `Copy`
error: internal compiler error: ../src/librustc_metadata/decoder.rs:490: entry: id not found: DefIndex(1) in crate "serde_derive" with number 13
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: run with `RUST_BACKTRACE=1` for a backtrace
thread 'rustc' panicked at 'Box<Any>', ../src/librustc_errors/lib.rs:424
stack backtrace:
1: 0x10553f4ea - std::sys::imp::backtrace::tracing::imp::write::h944c02ac40aee2d7
2: 0x10554c77f - std::panicking::default_hook::{{closure}}::h6875a2976258b020
3: 0x10554c32d - std::panicking::default_hook::h88ffbc5922643264
4: 0x10554cc46 - std::panicking::rust_panic_with_hook::ha5aed1dfc0e220e3
5: 0x102cd4f2a - std::panicking::begin_panic::h264cdc75d51b518b
6: 0x102ce5d34 - rustc_errors::Handler::bug::h620f7270292f0095
7: 0x102040ecc - rustc::session::opt_span_bug_fmt::{{closure}}::h4a9b70c3df8b4b3a
8: 0x102040cd9 - rustc::session::opt_span_bug_fmt::h7d83586c6e2c7ae6
9: 0x10204085a - rustc::session::bug_fmt::he2d2f00a4afa9d1e
10: 0x101578b73 - rustc_metadata::decoder::<impl rustc_metadata::cstore::CrateMetadata>::entry::h5e3d8114267e9116
11: 0x1015814ab - rustc_metadata::cstore_impl::<impl rustc::middle::cstore::CrateStore<'tcx> for rustc_metadata::cstore::CStore>::visibility::h2949b511f18961ee
12: 0x101589f66 - rustc_metadata::cstore_impl::<impl rustc::middle::cstore::CrateStore<'tcx> for rustc_metadata::cstore::CStore>::visible_parent_map::hab53861eb74bce8d
13: 0x10208a1c4 - rustc::ty::item_path::<impl rustc::ty::context::TyCtxt<'a, 'gcx, 'tcx>>::push_item_path::haa7f7a9afda5f72a
14: 0x1020d62d5 - rustc::util::ppaux::parameterized::h7bcfb1fd3d8a947a
15: 0x105590cb5 - core::fmt::write::h01739b8f12f355f9
16: 0x102072c4c - rustc::traits::specialize::specialization_graph::Graph::insert::h62250bf0632d4218
17: 0x1020a6d12 - rustc::ty::trait_def::TraitDef::add_impl_for_specialization::h39896639aba068c7
18: 0x101371b67 - <rustc_typeck::coherence::overlap::OverlapChecker<'cx, 'tcx> as rustc::hir::intravisit::Visitor<'v>>::visit_item::h5ba64bfdace3da91
19: 0x10137aaab - rustc_typeck::coherence::check_coherence::h7b433ad2f4520d1a
20: 0x1013816a1 - rustc_typeck::check_crate::h4045752b69a796e8
21: 0x100e1e1ac - rustc_driver::driver::phase_3_run_analysis_passes::{{closure}}::h97a3a12d948df547
22: 0x100e1b37d - rustc_driver::driver::phase_3_run_analysis_passes::hb0ad9de18d423e67
23: 0x100e02bc5 - rustc_driver::driver::compile_input::h8e119234b60571d5
24: 0x100e48229 - rustc_driver::run_compiler::hbdfc4f84e2e0f4b9
25: 0x100d67988 - std::panicking::try::do_call::hf679f17bf3b43b0b
26: 0x10554f1fa - __rust_maybe_catch_panic
27: 0x100d8baaf - <F as alloc::boxed::FnBox<A>>::call_box::h506fb5d7b8891cd4
28: 0x10554b8d4 - std::sys::imp::thread::Thread::new::thread_start::h8084b1107992ae5b
29: 0x7fff9169c99c - _pthread_body
30: 0x7fff9169c919 - _pthread_start
error: Could not compile `rtps`.
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