    Blocking waiting for file lock on package cache
    Blocking waiting for file lock on package cache
    Blocking waiting for file lock on package cache
    Blocking waiting for file lock on package cache
    Blocking waiting for file lock on shared package cache
    Blocking waiting for file lock on build directory
warning: timing-oracle-c@0.1.0: Warning: supplying the --target arm64-apple-macosx != arm64-apple-darwin argument to a nix-wrapped compiler may not work correctly - cc-wrapper is currently not designed with multi-target compilers in mind. You may want to use an un-wrapped compiler instead.
warning: timing-oracle-c@0.1.0: csrc/to_measure.c:216:12: warning: unused function 'perf_init' [-Wunused-function]
warning: timing-oracle-c@0.1.0:   216 | static int perf_init(void) { return -1; }
warning: timing-oracle-c@0.1.0:       |            ^~~~~~~~~
warning: timing-oracle-c@0.1.0: csrc/to_measure.c:217:13: warning: unused function 'perf_cleanup' [-Wunused-function]
warning: timing-oracle-c@0.1.0:   217 | static void perf_cleanup(void) {}
warning: timing-oracle-c@0.1.0:       |             ^~~~~~~~~~~~
warning: timing-oracle-c@0.1.0: 2 warnings generated.
    Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s
