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| error: internal compiler error: src/librustc_mir/borrow_check/nll/mod.rs:355: region is not an ReVar: ReFree(DefId(0/0:431 ~ core[8468]::num[0]::dec2flt[0]::simplify[0]), BrAnon(1)) | |
| thread 'rustc' panicked at 'Box<Any>', src/librustc_errors/lib.rs:605:9 | |
| stack backtrace: | |
| 0: 0x7f051e27544f - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h7b55de4b2b9ef087 | |
| at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 | |
| 1: 0x7f051e24efcc - std::sys_common::backtrace::print::hf0852fdd4ba6b4ab | |
| at src/libstd/sys_common/backtrace.rs:70 | |
| at src/libstd/sys_common/backtrace.rs:58 | |
| 2: 0x7f051e270b3d - std::panicking::default_hook::{{closure}}::h7df4afc2e18c6246 | |
| at src/libstd/panicking.rs:200 | |
| 3: 0x7f051e27088e - std::panicking::default_hook::hc25cc0cb1269223d | |
| at src/libstd/panicking.rs:215 | |
| 4: 0x7f051b38573f - rustc::util::common::panic_hook::h9db21c2ea9ec197b | |
| at src/librustc/util/common.rs:39 | |
| 5: 0x7f051e271234 - std::panicking::rust_panic_with_hook::h59a615977ea2d136 | |
| at src/libstd/panicking.rs:482 | |
| 6: 0x7f051a82d55c - std::panicking::begin_panic::h4d69c18e9c4600e3 | |
| at /home/santiago/src/oss/rust2/src/libstd/panicking.rs:412 | |
| 7: 0x7f051a81490e - rustc_errors::Handler::bug::h1a307564ef30e419 | |
| at src/librustc_errors/lib.rs:605 | |
| 8: 0x7f051af3d1d3 - rustc::util::bug::opt_span_bug_fmt::{{closure}}::hdcaaedfe569735cc | |
| at src/librustc/util/bug.rs:36 | |
| 9: 0x7f051af3d029 - rustc::ty::context::tls::with_opt::{{closure}}::h401a0362a0ad78b9 | |
| at src/librustc/ty/context.rs:2104 | |
| 10: 0x7f051af3cf44 - rustc::ty::context::tls::with_context_opt::h7da583845a396609 | |
| at src/librustc/ty/context.rs:2039 | |
| 11: 0x7f051af3cfd6 - rustc::ty::context::tls::with_opt::h467ea50234f20f09 | |
| at src/librustc/ty/context.rs:2104 | |
| 12: 0x7f051af3d0b4 - rustc::util::bug::opt_span_bug_fmt::h240e59cb0a72c7e8 | |
| at src/librustc/util/bug.rs:32 | |
| 13: 0x7f051b3c2be6 - rustc::util::bug::bug_fmt::hfc6947acd4fad39a | |
| at src/librustc/util/bug.rs:12 | |
| 14: 0x7f051becd2b6 - rustc::ty::structural_impls::<impl rustc::ty::fold::TypeFoldable<'tcx> for &'tcx rustc::ty::TyS<'tcx>>::super_visit_with::h885f780cc9687221 | |
| at src/librustc_mir/borrow_check/nll/constraint_generation.rs:0 | |
| 15: 0x7f051c273b92 - <rustc_mir::borrow_check::nll::constraint_generation::ConstraintGeneration<'cg, 'cx, 'gcx, 'tcx> as rustc::mir::visit::Visitor<'tcx>>::visit_ty::hcd1c29af94f3bcce | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/fold.rs:329 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/structural_impls.rs:822 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/fold.rs:280 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/fold.rs:259 | |
| at src/librustc_mir/borrow_check/nll/constraint_generation.rs:197 | |
| at src/librustc_mir/borrow_check/nll/constraint_generation.rs:80 | |
| 16: 0x7f051c3be510 - rustc::mir::visit::Visitor::visit_place::h18121d9b4d64ca34 | |
| at /home/santiago/src/oss/rust2/src/librustc/mir/visit.rs:0 | |
| at /home/santiago/src/oss/rust2/src/librustc/mir/visit.rs:156 | |
| 17: 0x7f051c3be560 - rustc::mir::visit::Visitor::super_assign::hb31ffa2dbb8a8960 | |
| at /home/santiago/src/oss/rust2/src/librustc/mir/visit.rs:447 | |
| 18: 0x7f051c3beede - rustc::mir::visit::Visitor::super_statement::h1f78a50bda914d58 | |
| at /home/santiago/src/oss/rust2/src/librustc/mir/visit.rs:382 | |
| 19: 0x7f051c273f67 - <rustc_mir::borrow_check::nll::constraint_generation::ConstraintGeneration<'cg, 'cx, 'gcx, 'tcx> as rustc::mir::visit::Visitor<'tcx>>::visit_statement::h5e214920d164048e | |
| at src/librustc_mir/borrow_check/nll/constraint_generation.rs:120 | |
| 20: 0x7f051c3bf425 - rustc::mir::visit::Visitor::super_basic_block_data::h13f2e968ae3e14c4 | |
| at /home/santiago/src/oss/rust2/src/librustc/mir/visit.rs:346 | |
| 21: 0x7f051c273842 - rustc_mir::borrow_check::nll::constraint_generation::generate_constraints::h70b4c7ef214c5027 | |
| at src/librustc_mir/borrow_check/nll/constraint_generation.rs:48 | |
| at src/librustc_mir/borrow_check/nll/constraint_generation.rs:33 | |
| 22: 0x7f051c373609 - rustc_mir::borrow_check::nll::compute_regions::h7eba761438f67fe6 | |
| at src/librustc_mir/borrow_check/nll/mod.rs:135 | |
| 23: 0x7f051c2ae873 - rustc_mir::borrow_check::do_mir_borrowck::h909fb54476955620 | |
| at src/librustc_mir/borrow_check/mod.rs:171 | |
| 24: 0x7f051c25b3fe - rustc::ty::context::GlobalCtxt::enter_local::hc3e79c9f1637de01 | |
| at src/librustc_mir/borrow_check/mod.rs:112 | |
| at /home/santiago/src/oss/rust2/src/librustc/infer/mod.rs:520 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/context.rs:1719 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/context.rs:1959 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/context.rs:1892 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/context.rs:1958 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/context.rs:1718 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/context.rs:2065 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/context.rs:2049 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/context.rs:2039 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/context.rs:2049 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/context.rs:2061 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/context.rs:1710 | |
| 25: 0x7f051c2ae05a - rustc_mir::borrow_check::mir_borrowck::hbfd3de437d1b7253 | |
| at /home/santiago/src/oss/rust2/src/librustc/infer/mod.rs:519 | |
| at src/librustc_mir/borrow_check/mod.rs:110 | |
| 26: 0x7f051e503351 - rustc::ty::query::__query_compute::mir_borrowck::he04f354e44350a2d | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/query/plumbing.rs:965 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/query/plumbing.rs:924 | |
| 27: 0x7f051e3c96d4 - rustc::ty::query::<impl rustc::ty::query::config::QueryAccessors<'tcx> for rustc::ty::query::queries::mir_borrowck<'tcx>>::compute::hd7768e09eb9d6fe3 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/query/plumbing.rs:957 | |
| 28: 0x7f051e4beba8 - rustc::dep_graph::graph::DepGraph::with_task_impl::hefd63eaea51341c8 | |
| at /home/santiago/src/oss/rust2/src/librustc/dep_graph/graph.rs:263 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/context.rs:1959 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/context.rs:1892 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/context.rs:1958 | |
| at /home/santiago/src/oss/rust2/src/librustc/dep_graph/graph.rs:262 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/context.rs:2049 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/context.rs:2039 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/context.rs:2049 | |
| at /home/santiago/src/oss/rust2/src/librustc/dep_graph/graph.rs:256 | |
| 29: 0x7f051e3ca637 - rustc::ty::query::plumbing::<impl rustc::ty::context::TyCtxt<'a, 'gcx, 'tcx>>::try_get_with::h0f9bbee7a877c5af | |
| at /home/santiago/src/oss/rust2/src/librustc/dep_graph/graph.rs:190 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/query/plumbing.rs:554 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/query/plumbing.rs:220 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/context.rs:1959 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/context.rs:1892 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/context.rs:1958 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/query/plumbing.rs:219 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/context.rs:2065 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/context.rs:2049 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/context.rs:2039 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/context.rs:2049 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/context.rs:2061 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/query/plumbing.rs:208 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/query/plumbing.rs:547 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/query/plumbing.rs:233 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/query/plumbing.rs:546 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/query/plumbing.rs:417 | |
| 30: 0x7f051e3e5e09 - rustc::ty::<impl rustc::ty::context::TyCtxt<'a, 'gcx, 'tcx>>::par_body_owners::h166aff9a5633daf3 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/query/plumbing.rs:653 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/query/plumbing.rs:1023 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/query/plumbing.rs:1015 | |
| at src/librustc_driver/driver.rs:1283 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/mod.rs:2687 | |
| at /home/santiago/src/oss/rust2/src/libcore/iter/iterator.rs:606 | |
| at /home/santiago/src/oss/rust2/src/libcore/slice/mod.rs:3000 | |
| at /home/santiago/src/oss/rust2/src/libcore/iter/iterator.rs:606 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/mod.rs:2686 | |
| 31: 0x7f051e467e5d - rustc::util::common::time::hf2912c6ec7c0b95f | |
| at src/librustc_driver/driver.rs:1283 | |
| at /home/santiago/src/oss/rust2/src/librustc/util/common.rs:150 | |
| at /home/santiago/src/oss/rust2/src/librustc/util/common.rs:144 | |
| 32: 0x7f051e525151 - <std::thread::local::LocalKey<T>>::with::hf235208eb29c185c | |
| at src/librustc_driver/driver.rs:1281 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/context.rs:1993 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/context.rs:1959 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/context.rs:1892 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/context.rs:1958 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/context.rs:1992 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/context.rs:1947 | |
| at /home/santiago/src/oss/rust2/src/libstd/thread/local.rs:296 | |
| at /home/santiago/src/oss/rust2/src/libstd/thread/local.rs:242 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/context.rs:1939 | |
| at /home/santiago/src/oss/rust2/src/libstd/thread/local.rs:296 | |
| at /home/santiago/src/oss/rust2/src/libstd/thread/local.rs:242 | |
| 33: 0x7f051e3da7fe - rustc::ty::context::TyCtxt::create_and_enter::h519d18a9bd1ba633 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/context.rs:1931 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/context.rs:1970 | |
| at /home/santiago/src/oss/rust2/src/librustc/ty/context.rs:1289 | |
| 34: 0x7f051e535040 - rustc_driver::driver::phase_3_run_analysis_passes::h2d0f90493d89cd18 | |
| at src/librustc_driver/driver.rs:1205 | |
| 35: 0x7f051e386c13 - rustc_driver::driver::compile_input::h09207f076c868656 | |
| at src/librustc_driver/driver.rs:272 | |
| 36: 0x7f051e35dd8a - rustc_driver::run_compiler_with_pool::h8a0bbac97ba83e5b | |
| at src/librustc_driver/lib.rs:525 | |
| 37: 0x7f051e34dc65 - <scoped_tls::ScopedKey<T>>::set::h99db235b417b11f8 | |
| at src/librustc_driver/lib.rs:447 | |
| at src/librustc_driver/driver.rs:65 | |
| at /home/santiago/.cargo/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.2/src/lib.rs:155 | |
| 38: 0x7f051e35ccea - rustc_driver::run_compiler::h23e4e29f06f98b1b | |
| at src/librustc_driver/driver.rs:64 | |
| at src/librustc_driver/lib.rs:446 | |
| 39: 0x7f051e34d6bb - <scoped_tls::ScopedKey<T>>::set::h385116c4dbb251a8 | |
| at src/librustc_driver/lib.rs:1639 | |
| at src/librustc_driver/lib.rs:169 | |
| at /home/santiago/.cargo/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.2/src/lib.rs:155 | |
| at /home/santiago/src/oss/rust2/src/libsyntax/lib.rs:112 | |
| at /home/santiago/.cargo/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.2/src/lib.rs:155 | |
| 40: 0x7f051e457ad2 - std::sys_common::backtrace::__rust_begin_short_backtrace::hd02887c6856bc07e | |
| at /home/santiago/src/oss/rust2/src/libsyntax/lib.rs:111 | |
| at src/librustc_driver/lib.rs:168 | |
| at src/librustc_driver/lib.rs:1555 | |
| at /home/santiago/src/oss/rust2/src/libstd/sys_common/backtrace.rs:135 | |
| 41: 0x7f051e278af9 - __rust_maybe_catch_panic | |
| at src/libpanic_unwind/lib.rs:92 | |
| 42: 0x7f051e481d82 - std::panicking::try::h10d177f1ba9c84a1 | |
| at /home/santiago/src/oss/rust2/src/libstd/panicking.rs:276 | |
| 43: 0x7f051e51c445 - <F as alloc::boxed::FnBox<A>>::call_box::hf234b049a5ac2a3a | |
| at /home/santiago/src/oss/rust2/src/libstd/panic.rs:388 | |
| at /home/santiago/src/oss/rust2/src/libstd/thread/mod.rs:468 | |
| at /home/santiago/src/oss/rust2/src/liballoc/boxed.rs:734 | |
| 44: 0x7f051e2434bd - std::sys_common::thread::start_thread::h9ee96f8dc02c2a0c | |
| at /home/santiago/src/oss/rust2/src/liballoc/boxed.rs:744 | |
| at src/libstd/sys_common/thread.rs:14 | |
| 45: 0x7f051e243d95 - std::sys::unix::thread::Thread::new::thread_start::h37e5d290f5530d6e | |
| at src/libstd/sys/unix/thread.rs:81 | |
| 46: 0x7f051a541a9c - start_thread | |
| 47: 0x7f051e0e0b22 - clone | |
| 48: 0x0 - <unknown> | |
| query stack during panic: | |
| #0 [mir_borrowck] processing `num::dec2flt::simplify` | |
| end of query stack | |
| error: aborting due to previous error | |
| 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 1.33.0-dev running on x86_64-unknown-linux-gnu | |
| note: compiler flags: -Z force-unstable-if-unmarked -C opt-level=2 -C incremental -C prefer-dynamic -C debug-assertions=y -C codegen-units=4 -C link-args=-Wl,-rpath,$ORIGIN/../lib --crate-type lib | |
| note: some of the compiler flags provided by cargo are hidden | |
| error: Could not compile `core`. | |
| To learn more, run the command again with --verbose. | |
| command did not execute successfully: "/home/santiago/src/oss/rust2/build/x86_64-unknown-linux-gnu/stage0/bin/cargo" "build" "--target" "x86_64-unknown-linux-gnu" "-j" "4" "--release" "--features" "panic-unwind backtrace" "--manifest-path" "/home/santiago/src/oss/rust2/src/libstd/Cargo.toml" "--message-format" "json" | |
| expected success, got: exit code: 101 | |
| failed to run: /home/santiago/src/oss/rust2/build/bootstrap/debug/bootstrap build -i --stage 1 src/libstd/ | |
| Build completed unsuccessfully in 0:00:33 | |
| [ |
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