ci: clean target dir more often

Author: mkroening

.github/workflows/ci.yml

@@ -231,6 +231,8 @@ jobs:
         if: matrix.arch == 'x86_64'
       - run: cargo xtask ci rs --arch ${{ matrix.arch }} --profile ${{ matrix.profile }} --package rftrace-example qemu ${{ matrix.flags }} --devices virtio-fs-pci
         if: matrix.arch == 'x86_64'
+      - run: cargo clean
+        working-directory: .
       - run: cargo xtask ci rs --arch ${{ matrix.arch }} --profile ${{ matrix.profile }} --package httpd --features ci,hermit/dhcpv4,hermit/virtio-net qemu ${{ matrix.flags }} --devices virtio-net-pci
         if: matrix.arch != 'riscv64'
       - run: cargo xtask ci rs --arch ${{ matrix.arch }} --profile ${{ matrix.profile }} --package httpd --features ci,hermit/virtio-net qemu --sudo --devices virtio-net-pci --tap
@@ -247,6 +249,8 @@ jobs:
         if: matrix.arch == 'x86_64'
       - run: cargo xtask ci rs --arch ${{ matrix.arch }} --profile ${{ matrix.profile }} --package httpd --no-default-features --features ci,hermit/dhcpv4,hermit/tcp,hermit/gem-net qemu ${{ matrix.flags }} --devices cadence-gem
         if: matrix.arch == 'riscv64'
+      - run: cargo clean
+        working-directory: .
       - run: cargo xtask ci rs --arch ${{ matrix.arch }} --profile ${{ matrix.profile }} --package testudp --features hermit/udp,hermit/dhcpv4,hermit/virtio-net qemu ${{ matrix.flags }} --devices virtio-net-pci
         if: matrix.arch != 'riscv64'
       - run: cargo xtask ci rs --arch ${{ matrix.arch }} --profile ${{ matrix.profile }} --package testudp --features hermit/udp,hermit/dhcpv4,hermit/rtl8139 qemu ${{ matrix.flags }} --devices rtl8139