these 2 derivations will be built:
  /nix/store/jpcqnv2qgv25lmdl6gj9df7nan8bfk5v-amp-darwin-arm64.drv
  /nix/store/cxg1b90lg4rmqfjbg3ckj8v63cffjmjf-amp-0.0.1788148853-g38a2d7.drv
building '/nix/store/9f5g8zp6xnq9d0ndir16fqkrl1zgnvqx-amp-darwin-arm64.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/9f5g8zp6xnq9d0ndir16fqkrl1zgnvqx-amp-darwin-arm64.drv'
amp-darwin-arm64> structuredAttrs is enabled
amp-darwin-arm64> 
amp-darwin-arm64> trying https://static.ampcode.com/cli/0.0.1788148853-g38a2d7/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>  17 68.03M  17 11.71M   0      0 11.29M      0   00:06   00:01   00:05 11.70M
amp-darwin-arm64>  60 68.03M  60 41.13M   0      0 19.89M      0   00:03   00:02   00:01 20.24M
amp-darwin-arm64> 100 68.03M 100 68.03M   0      0 23.10M      0   00:02   00:02         20.24M
amp-darwin-arm64> 100 68.03M 100 68.03M   0      0 23.10M      0   00:02   00:02         20.24M
amp-darwin-arm64> 100 68.03M 100 68.03M   0      0 23.10M      0   00:02   00:02         20.24M
building '/nix/store/cxg1b90lg4rmqfjbg3ckj8v63cffjmjf-amp-0.0.1788148853-g38a2d7.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/cxg1b90lg4rmqfjbg3ckj8v63cffjmjf-amp-0.0.1788148853-g38a2d7.drv'
amp-0.0.1788148853-g38a2d7> Using versionCheckHook
amp-0.0.1788148853-g38a2d7> Running phase: patchPhase
amp-0.0.1788148853-g38a2d7> Running phase: updateAutotoolsGnuConfigScriptsPhase
amp-0.0.1788148853-g38a2d7> Running phase: configurePhase
amp-0.0.1788148853-g38a2d7> no configure script, doing nothing
amp-0.0.1788148853-g38a2d7> Running phase: buildPhase
amp-0.0.1788148853-g38a2d7> no Makefile or custom buildPhase, doing nothing
amp-0.0.1788148853-g38a2d7> Running phase: installPhase
amp-0.0.1788148853-g38a2d7> Running phase: fixupPhase
amp-0.0.1788148853-g38a2d7> checking for references to /nix/var/nix/builds/nix-29295-1363477741/ in /nix/store/s71w9zxpbb46xfmlalyblg2q8znv0hbp-amp-0.0.1788148853-g38a2d7...
amp-0.0.1788148853-g38a2d7> /nix/store/cv1d7p48379km6a85h4zp6kr86brh32q-audit-tmpdir.sh: line 39: 29580 Done                       find "$dir" -type f -not -path '*/.build-id/*' -print0
amp-0.0.1788148853-g38a2d7>      29581 Segmentation fault: 11     | while IFS= read -r -d '' file; do
amp-0.0.1788148853-g38a2d7>     if isELF "$file"; then
amp-0.0.1788148853-g38a2d7>         printf '%s\0' "$file" 1>&3;
amp-0.0.1788148853-g38a2d7>     else
amp-0.0.1788148853-g38a2d7>         if isScript "$file"; then
amp-0.0.1788148853-g38a2d7>             filename=${file##*/}; dir=${file%/*}; if [ -e "$dir/.$filename-wrapped" ]; then
amp-0.0.1788148853-g38a2d7>                 printf '%s\0' "$file" 1>&4;
amp-0.0.1788148853-g38a2d7>             fi;
amp-0.0.1788148853-g38a2d7>         fi;
amp-0.0.1788148853-g38a2d7>     fi;
amp-0.0.1788148853-g38a2d7> done
amp-0.0.1788148853-g38a2d7> patching script interpreter paths in /nix/store/s71w9zxpbb46xfmlalyblg2q8znv0hbp-amp-0.0.1788148853-g38a2d7
amp-0.0.1788148853-g38a2d7> adding code signature flag CodeSignatureFlags(LINKER_SIGNED) to main signing target
amp-0.0.1788148853-g38a2d7> signing /nix/store/s71w9zxpbb46xfmlalyblg2q8znv0hbp-amp-0.0.1788148853-g38a2d7/bin/amp in place
amp-0.0.1788148853-g38a2d7> signing /nix/store/s71w9zxpbb46xfmlalyblg2q8znv0hbp-amp-0.0.1788148853-g38a2d7/bin/amp as a Mach-O binary
amp-0.0.1788148853-g38a2d7> setting binary identifier to amp
amp-0.0.1788148853-g38a2d7> parsing Mach-O
amp-0.0.1788148853-g38a2d7> writing Mach-O to /nix/store/s71w9zxpbb46xfmlalyblg2q8znv0hbp-amp-0.0.1788148853-g38a2d7/bin/amp
amp-0.0.1788148853-g38a2d7> Running phase: installCheckPhase
amp-0.0.1788148853-g38a2d7> Executing versionCheckPhase
amp-0.0.1788148853-g38a2d7> Successfully managed to find version 0.0.1788148853-g38a2d7 in the output of the command /nix/store/s71w9zxpbb46xfmlalyblg2q8znv0hbp-amp-0.0.1788148853-g38a2d7/bin/amp --version
amp-0.0.1788148853-g38a2d7> 0.0.1788148853-g38a2d7 (released 2026-08-31T04:00:53.000Z, 18m ago)
amp-0.0.1788148853-g38a2d7> Finished versionCheckPhase
amp-0.0.1788148853-g38a2d7> no Makefile or custom installCheckPhase, doing nothing

post-build step Upload to niks3: ok
time=2026-08-31T04:19:34.037Z level=INFO msg="Uploading 1 paths to niks3.numtide.com (5 already cached)"
time=2026-08-31T04:19:34.037Z level=INFO msg="Uploading s71w9zxpbb46xfmlalyblg2q8znv0hbp-amp-0.0.1788148853-g38a2d7 (68.0MB)"
time=2026-08-31T04:19:36.965Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-31T04:19:37.398Z level=INFO msg="Upload complete. (3.619s)"