Add core to STD_DEPS

See #731.

diff --git a/crates/ra_lsp_server/src/project_model/sysroot.rs b/crates/ra_lsp_server/src/project_model/sysroot.rs
index 3b2fa070b2e5317e1e2c88ed1a14d9135b38c997..1e0604bf527e402365609b0e951b17c350bb445f 100644 (file)
--- a/crates/ra_lsp_server/src/project_model/sysroot.rs
+++ b/crates/ra_lsp_server/src/project_model/sysroot.rs
@@ -129,6 +129,7 @@ pub(crate) fn deps<'a>(self, sysroot: &'a Sysroot) -> impl Iterator<Item = Sysro
 const STD_DEPS: &str = "
 alloc_jemalloc
 alloc_system
+core
 panic_abort
 rand
 compiler_builtins