these 2 derivations will be built:
  /nix/store/vn7jsfkbqw44av8f5mki0smpibgf60rs-amp-darwin-arm64.drv
  /nix/store/zdpxmy3yywxhvfamlhzcmzk5ad5jqsd0-amp-0.0.1788249635-gcc0420.drv
building '/nix/store/dpjlb9s997p9jzi4qlyqdnigpwhscvwq-amp-darwin-arm64.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/dpjlb9s997p9jzi4qlyqdnigpwhscvwq-amp-darwin-arm64.drv'
amp-darwin-arm64> structuredAttrs is enabled
amp-darwin-arm64> 
amp-darwin-arm64> trying https://static.ampcode.com/cli/0.0.1788249635-gcc0420/amp-darwin-arm64
amp-darwin-arm64>   % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
amp-darwin-arm64>                                  Dload  Upload  Total   Spent   Left   Speed
amp-darwin-arm64> 
amp-darwin-arm64>   0      0   0      0   0      0      0      0                              0
amp-darwin-arm64>  14 68.04M  14 10.01M   0      0  8.65M      0   00:07   00:01   00:06  8.92M
amp-darwin-arm64>  47 68.04M  47 32.03M   0      0 13.90M      0   00:04   00:02   00:02 14.12M
amp-darwin-arm64>  82 68.04M  82 56.10M   0      0 16.17M      0   00:04   00:03   00:01 16.34M
amp-darwin-arm64> 100 68.04M 100 68.04M   0      0 17.37M      0   00:03   00:03         16.34M
amp-darwin-arm64> 100 68.04M 100 68.04M   0      0 17.37M      0   00:03   00:03         16.34M
amp-darwin-arm64> 100 68.04M 100 68.04M   0      0 17.37M      0   00:03   00:03         16.34M
building '/nix/store/zdpxmy3yywxhvfamlhzcmzk5ad5jqsd0-amp-0.0.1788249635-gcc0420.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/zdpxmy3yywxhvfamlhzcmzk5ad5jqsd0-amp-0.0.1788249635-gcc0420.drv'
amp-0.0.1788249635-gcc0420> Using versionCheckHook
amp-0.0.1788249635-gcc0420> Running phase: patchPhase
amp-0.0.1788249635-gcc0420> Running phase: updateAutotoolsGnuConfigScriptsPhase
amp-0.0.1788249635-gcc0420> Running phase: configurePhase
amp-0.0.1788249635-gcc0420> no configure script, doing nothing
amp-0.0.1788249635-gcc0420> Running phase: buildPhase
amp-0.0.1788249635-gcc0420> no Makefile or custom buildPhase, doing nothing
amp-0.0.1788249635-gcc0420> Running phase: installPhase
amp-0.0.1788249635-gcc0420> Running phase: fixupPhase
amp-0.0.1788249635-gcc0420> checking for references to /nix/var/nix/builds/nix-24021-2824187528/ in /nix/store/xx94n4vyxvxy76h024xc0zmm5mfyan4w-amp-0.0.1788249635-gcc0420...
amp-0.0.1788249635-gcc0420> /nix/store/cv1d7p48379km6a85h4zp6kr86brh32q-audit-tmpdir.sh: line 39: 24101 Done                       find "$dir" -type f -not -path '*/.build-id/*' -print0
amp-0.0.1788249635-gcc0420>      24102 Segmentation fault: 11     | while IFS= read -r -d '' file; do
amp-0.0.1788249635-gcc0420>     if isELF "$file"; then
amp-0.0.1788249635-gcc0420>         printf '%s\0' "$file" 1>&3;
amp-0.0.1788249635-gcc0420>     else
amp-0.0.1788249635-gcc0420>         if isScript "$file"; then
amp-0.0.1788249635-gcc0420>             filename=${file##*/}; dir=${file%/*}; if [ -e "$dir/.$filename-wrapped" ]; then
amp-0.0.1788249635-gcc0420>                 printf '%s\0' "$file" 1>&4;
amp-0.0.1788249635-gcc0420>             fi;
amp-0.0.1788249635-gcc0420>         fi;
amp-0.0.1788249635-gcc0420>     fi;
amp-0.0.1788249635-gcc0420> done
amp-0.0.1788249635-gcc0420> patching script interpreter paths in /nix/store/xx94n4vyxvxy76h024xc0zmm5mfyan4w-amp-0.0.1788249635-gcc0420
amp-0.0.1788249635-gcc0420> adding code signature flag CodeSignatureFlags(LINKER_SIGNED) to main signing target
amp-0.0.1788249635-gcc0420> signing /nix/store/xx94n4vyxvxy76h024xc0zmm5mfyan4w-amp-0.0.1788249635-gcc0420/bin/amp in place
amp-0.0.1788249635-gcc0420> signing /nix/store/xx94n4vyxvxy76h024xc0zmm5mfyan4w-amp-0.0.1788249635-gcc0420/bin/amp as a Mach-O binary
amp-0.0.1788249635-gcc0420> setting binary identifier to amp
amp-0.0.1788249635-gcc0420> parsing Mach-O
amp-0.0.1788249635-gcc0420> writing Mach-O to /nix/store/xx94n4vyxvxy76h024xc0zmm5mfyan4w-amp-0.0.1788249635-gcc0420/bin/amp
amp-0.0.1788249635-gcc0420> Running phase: installCheckPhase
amp-0.0.1788249635-gcc0420> Executing versionCheckPhase
amp-0.0.1788249635-gcc0420> Successfully managed to find version 0.0.1788249635-gcc0420 in the output of the command /nix/store/xx94n4vyxvxy76h024xc0zmm5mfyan4w-amp-0.0.1788249635-gcc0420/bin/amp --version
amp-0.0.1788249635-gcc0420> 0.0.1788249635-gcc0420 (released 2026-09-01T08:00:35.000Z, 1h ago)
amp-0.0.1788249635-gcc0420> Finished versionCheckPhase
amp-0.0.1788249635-gcc0420> no Makefile or custom installCheckPhase, doing nothing

post-build step Upload to niks3: ok
time=2026-09-01T09:15:16.823Z level=INFO msg="Uploading 1 paths to niks3.numtide.com (5 already cached)"
time=2026-09-01T09:15:16.824Z level=INFO msg="Uploading xx94n4vyxvxy76h024xc0zmm5mfyan4w-amp-0.0.1788249635-gcc0420 (68.1MB)"
time=2026-09-01T09:15:20.299Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-01T09:15:20.691Z level=INFO msg="Upload complete. (4.085s)"