these 18 derivations will be built:
  /nix/store/3l4nmx5y5rpjqjyspw0j4hwcr34rhpp8-nix-util-2.36.0pre.drv
  /nix/store/hnk5ylxz9vx318c1q4n29mswnma9rmf9-nix-store-2.36.0pre.drv
  /nix/store/l9nvhp2vqnzgfvx3phhq97lhpyxvdp0n-nix-util-c-2.36.0pre.drv
  /nix/store/cx557hrnkd52jr07h5y474bx2drjhkri-nix-store-c-2.36.0pre.drv
  /nix/store/a5fnm59w85z7lby4bhdbikhlyhs617c6-boehm-gc-8.2.12.drv
  /nix/store/xjb6ji9jgl5njpsss4wrq9ydhlrkawwn-nix-fetchers-2.36.0pre.drv
  /nix/store/kxcz2d8670z5f4ql4dp6bmw9nlkia7xj-nix-expr-2.36.0pre.drv
  /nix/store/kx7xdwvq683k79n0mksx6rbl0hij6v56-nix-expr-c-2.36.0pre.drv
  /nix/store/30bqcii9vclr21p64dxf5h9qhmx2cs80-nix-fetchers-c-2.36.0pre.drv
  /nix/store/ig6ki53rxh25xhvrd4zfbnc5lxgyikak-nix-main-2.36.0pre.drv
  /nix/store/33gagpl69k5swhr1fr1x2fr0ww3i13hc-nix-main-c-2.36.0pre.drv
  /nix/store/8agsz7swn93wzc1l5j1xrqssk2ci3d26-nix-flake-2.36.0pre.drv
  /nix/store/3lz18q5mhlm0915qs0pxs8cvqc18x2wk-nix-flake-c-2.36.0pre.drv
  /nix/store/slxzadq64ir9qjw26i7ywng0x641pwp4-nix-cmd-2.36.0pre.drv
  /nix/store/x4w36qwrzgibla08ba65wg0wbymk8zz6-mimalloc-3.5.1.drv
  /nix/store/0zcnklg60sfsqx4i3wg83nb7lnhkx68q-nix-2.36.0pre20260916_1de45ba.drv
  /nix/store/2ch0z7h4m5b5ldxhn3w8a9dvsnwrv98s-nix.conf.drv
  /nix/store/7n5lgxvnf0wb2cx0vsarzsx9dfn97f2g-filetransfer-retry-backoff.drv
building '/nix/store/2ch0z7h4m5b5ldxhn3w8a9dvsnwrv98s-nix.conf.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/2ch0z7h4m5b5ldxhn3w8a9dvsnwrv98s-nix.conf.drv'
building '/nix/store/7n5lgxvnf0wb2cx0vsarzsx9dfn97f2g-filetransfer-retry-backoff.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/7n5lgxvnf0wb2cx0vsarzsx9dfn97f2g-filetransfer-retry-backoff.drv'
filetransfer-retry-backoff> Flaky server on port 64339

post-build step Upload coverage to codecov: ok
Skipping codecov: project=Mic92/nix-1 attr=checks.aarch64-darwin.filetransfer-retry-backoff