* installing *source* package 'fio' ...
** this is package 'fio' version '0.1.3'
** using staged installation
Using cargo 1.81.0 (2dbb1af80 2024-08-20)
Using rustc 1.81.0 (eeb90cda1 2024-09-04)
Building for CRAN.
Writing `src/Makevars.win`.
`tools/config.R` has finished.
** libs
using C compiler: 'gcc.exe (GCC) 14.2.0'
gcc  -I"D:/RCompile/recent/R/include" -DNDEBUG     -I"d:/rtools45/x86_64-w64-mingw32.static.posix/include"      -pedantic -Wstrict-prototypes -O2 -Wall -std=gnu2x  -mfpmath=sse -msse2 -mstackrealign   -c entrypoint.c -o entrypoint.o
mkdir -p ./rust/target/libgcc_mock
touch ./rust/target/libgcc_mock/libgcc_eh.a
if [ -f ./rust/vendor.tar.xz ]; then \
	tar xf rust/vendor.tar.xz && \
	mkdir -p /d/temp/2025_04_02_01_30_17_32026/RtmpiEY3Uu/R.INSTALL1b23c3d242aa3/fio/src/.cargo && \
	cp rust/vendor-config.toml /d/temp/2025_04_02_01_30_17_32026/RtmpiEY3Uu/R.INSTALL1b23c3d242aa3/fio/src/.cargo/config.toml; \
fi
# Build the project using Cargo with additional flags
export CARGO_HOME=/d/temp/2025_04_02_01_30_17_32026/RtmpiEY3Uu/R.INSTALL1b23c3d242aa3/fio/src/.cargo && \
export CARGO_TARGET_X86_64_PC_WINDOWS_GNU_LINKER="" && \
export LIBRARY_PATH=";/d/temp/2025_04_02_01_30_17_32026/RtmpiEY3Uu/R.INSTALL1b23c3d242aa3/fio/src/./rust/target/libgcc_mock" && \
RUSTFLAGS=" --print=native-static-libs" cargo build -j 2 --offline --target=x86_64-pc-windows-gnu --lib --release --manifest-path=rust/Cargo.toml --target-dir=./rust/target
   Compiling proc-macro2 v1.0.94
   Compiling autocfg v1.4.0
error: couldn't extract file stem from specified linker

error: could not compile `proc-macro2` (build script) due to 1 previous error
warning: build failed, waiting for other jobs to finish...
make: *** [Makevars.win:22: rust/target/x86_64-pc-windows-gnu/release/libfio.a] Error 101
ERROR: compilation failed for package 'fio'
* removing 'd:/RCompile/CRANincoming/R-devel/lib/fio'