[WARNING]: 17 warnings found by Verilator
[WARNING]: Module sky130_fd_sc_hd__tapvpwrvgnd_1 blackboxed during sta
[WARNING]: Module sky130_fd_sc_hd__fill_1 blackboxed during sta
[WARNING]: Module sky130_fd_sc_hd__fill_2 blackboxed during sta
[WARNING]: Module sky130_ef_sc_hd__decap_12 blackboxed during sta
[WARNING]: 'housekeeping_alt/runs/23_05_22_04_42/results/signoff/housekeeping_alt.klayout.gds' wasn't found. Skipping GDS XOR.
[WARNING]: There are max fanout violations in the design at the typical corner. Please refer to 'housekeeping_alt/runs/23_05_22_04_42/reports/signoff/35-rcx_sta.checks.rpt'.