tribuchet: building on tribuchet1
+ cp -rsf /nix/store/nmby3cz9ilgxzyb17ndz646b9ll41rf7-mingw-w64-x86_64-windows-gnu/. /nix/store/l1cr84479w7ss1wmiypff7hvlkfg9ll0-sysroot-x86_64-windows-gnu/
+ cp -rs /nix/store/iavgllpsvvq50agrcnxq2zpf5929q3sb-compiler-rt-x86_64-windows-gnu /nix/store/l1cr84479w7ss1wmiypff7hvlkfg9ll0-sysroot-x86_64-windows-gnu/lib/clang
+ ln -s . /nix/store/l1cr84479w7ss1wmiypff7hvlkfg9ll0-sysroot-x86_64-windows-gnu/usr
+ ln -s lib /nix/store/l1cr84479w7ss1wmiypff7hvlkfg9ll0-sysroot-x86_64-windows-gnu/lib64
tribuchet: unpacking output /nix/store/l1cr84479w7ss1wmiypff7hvlkfg9ll0-sysroot-x86_64-windows-gnu: unpacking into /nix/store/l1cr84479w7ss1wmiypff7hvlkfg9ll0-sysroot-x86_64-windows-gnu: creating directory /nix/store/l1cr84479w7ss1wmiypff7hvlkfg9ll0-sysroot-x86_64-windows-gnu: File exists (os error 17): File exists (os error 17)