these 6 derivations will be built:
  /nix/store/36mngnzb6vm252k1j9rpfqsxm461n8s6-disko-destroy-format-mount.drv
  /nix/store/yi2jgzd7vcjnwh8bqxwdfms0avdfpqwa-disko-builder.drv
  /nix/store/wbdar11klii9zjghkfgax45kgb7k4lmd-preVM.sh.drv
  /nix/store/y24k6ssx8czdfc2swyn0a1wmh641mjwp-preVM.sh.drv
  /nix/store/gnq6kc54x5ranwqk5cg652zqdl7km2hy-nixos-disko-images.drv
  /nix/store/p0w39w65a7dgyr80yk8h97whgsv2nv3n-nixos-disko-images.drv
building '/nix/store/yi2jgzd7vcjnwh8bqxwdfms0avdfpqwa-disko-builder.drv'
disko-builder> tribuchet: building on jamie
building '/nix/store/wbdar11klii9zjghkfgax45kgb7k4lmd-preVM.sh.drv'
preVM.sh> tribuchet: building on jamie
building '/nix/store/y24k6ssx8czdfc2swyn0a1wmh641mjwp-preVM.sh.drv'
preVM.sh> tribuchet: building on jamie
building '/nix/store/gnq6kc54x5ranwqk5cg652zqdl7km2hy-nixos-disko-images.drv'
nixos-disko-images> tribuchet: building on jamie
building '/nix/store/p0w39w65a7dgyr80yk8h97whgsv2nv3n-nixos-disko-images.drv'
nixos-disko-images> tribuchet: building on jamie

post-build step Upload coverage to codecov: ok
Skipping codecov: project=nix-community/disko attr=x86_64-linux.make-disk-image-impure