Index: head/lang/rust-nightly/Makefile
===================================================================
--- head/lang/rust-nightly/Makefile
+++ head/lang/rust-nightly/Makefile
@@ -3,7 +3,7 @@
 
 PORTVERSION=	1.45.0.${NIGHTLY_DATE:C,-,,g}
 # Always set PORTREVISION explicitly as otherwise it is inherited from lang/rust
-PORTREVISION=	0
+PORTREVISION=	1
 PKGNAMESUFFIX=	-nightly
 DISTNAME=	rustc-nightly-src
 
Index: head/lang/rust/Makefile
===================================================================
--- head/lang/rust/Makefile
+++ head/lang/rust/Makefile
@@ -133,6 +133,9 @@
 	@${ECHO_CMD} 'python="${PYTHON_CMD}"' >> ${WRKSRC}/config.toml
 	@${ECHO_CMD} 'docs=${_RUST_BUILD_DOCS}' >> ${WRKSRC}/config.toml
 	@${ECHO_CMD} 'verbose=2' >> ${WRKSRC}/config.toml
+.if defined(NIGHTLY_DATE)
+	@${ECHO_CMD} 'profiler=true' >> ${WRKSRC}/config.toml
+.endif
 	@${ECHO_CMD} 'target=[${_RUST_TARGETS:@.target.@"${.target.}"@:ts,}]' >> ${WRKSRC}/config.toml
 	@${ECHO_CMD} 'cargo="${WRKDIR}/bootstrap/bin/cargo"' >> ${WRKSRC}/config.toml
 	@${ECHO_CMD} 'rustc="${WRKDIR}/bootstrap/bin/rustc"' >> ${WRKSRC}/config.toml