Checking ide_db v0.0.0 (/home/chetan/Projects/ra/rust-analyzer/crates/ide_db)
thread 'rustc' panicked at 'found unstable fingerprints for evaluate_obligation(fac8e64b5d65c5a7-dc4c94caba4fc9db): Ok(EvaluatedToOk)', /rustc/88f19c6dab716c6281af7602e30f413e809c5974/compiler/rustc_query_system/src/query/plumbing.rs:593:5
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

error: internal compiler error: unexpected panic

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 1.52.0 (88f19c6da 2021-05-03) running on x86_64-unknown-linux-gnu

note: compiler flags: -C embed-bitcode=no -C debuginfo=0 -C incremental --crate-type lib

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

query stack during panic:
#0 [evaluate_obligation] evaluating trait selection obligation `RootDatabase: hir::db::HirDatabase`
#1 [typeck] type-checking `items_locator::items_with_name`
end of query stack
error: could not compile `ide_db`

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