these 2 derivations will be built:
  /nix/store/bz9hd18s0yblg3wdnxw4njzindm1ni87-amp-darwin-arm64.drv
  /nix/store/dpn5jnqmi507pjkh3adcnk6ip68xpjd5-amp-0.0.1788105629-g37d5d1.drv
building '/nix/store/sx3fw9hm771d9rmi48w3ydmnnqbb7zg0-amp-darwin-arm64.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/sx3fw9hm771d9rmi48w3ydmnnqbb7zg0-amp-darwin-arm64.drv'
amp-darwin-arm64> structuredAttrs is enabled
amp-darwin-arm64> 
amp-darwin-arm64> trying https://static.ampcode.com/cli/0.0.1788105629-g37d5d1/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>   6 68.03M   6  4.33M   0      0  4.16M      0   00:16   00:01   00:15  4.34M
amp-darwin-arm64>  52 68.03M  52 35.67M   0      0 17.48M      0   00:03   00:02   00:01 17.85M
amp-darwin-arm64>  96 68.03M  96 65.45M   0      0 21.52M      0   00:03   00:03         21.83M
amp-darwin-arm64> 100 68.03M 100 68.03M   0      0 21.76M      0   00:03   00:03         21.83M
amp-darwin-arm64> 100 68.03M 100 68.03M   0      0 21.76M      0   00:03   00:03         21.83M
amp-darwin-arm64> 100 68.03M 100 68.03M   0      0 21.76M      0   00:03   00:03         21.83M
building '/nix/store/dpn5jnqmi507pjkh3adcnk6ip68xpjd5-amp-0.0.1788105629-g37d5d1.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/dpn5jnqmi507pjkh3adcnk6ip68xpjd5-amp-0.0.1788105629-g37d5d1.drv'
amp-0.0.1788105629-g37d5d1> Using versionCheckHook
amp-0.0.1788105629-g37d5d1> Running phase: patchPhase
amp-0.0.1788105629-g37d5d1> Running phase: updateAutotoolsGnuConfigScriptsPhase
amp-0.0.1788105629-g37d5d1> Running phase: configurePhase
amp-0.0.1788105629-g37d5d1> no configure script, doing nothing
amp-0.0.1788105629-g37d5d1> Running phase: buildPhase
amp-0.0.1788105629-g37d5d1> no Makefile or custom buildPhase, doing nothing
amp-0.0.1788105629-g37d5d1> Running phase: installPhase
amp-0.0.1788105629-g37d5d1> Running phase: fixupPhase
amp-0.0.1788105629-g37d5d1> checking for references to /nix/var/nix/builds/nix-46614-389868337/ in /nix/store/vf7w0zsgsl8z4zffns659yri0fqqys04-amp-0.0.1788105629-g37d5d1...
amp-0.0.1788105629-g37d5d1> /nix/store/cv1d7p48379km6a85h4zp6kr86brh32q-audit-tmpdir.sh: line 39: 46694 Done                       find "$dir" -type f -not -path '*/.build-id/*' -print0
amp-0.0.1788105629-g37d5d1>      46695 Segmentation fault: 11     | while IFS= read -r -d '' file; do
amp-0.0.1788105629-g37d5d1>     if isELF "$file"; then
amp-0.0.1788105629-g37d5d1>         printf '%s\0' "$file" 1>&3;
amp-0.0.1788105629-g37d5d1>     else
amp-0.0.1788105629-g37d5d1>         if isScript "$file"; then
amp-0.0.1788105629-g37d5d1>             filename=${file##*/}; dir=${file%/*}; if [ -e "$dir/.$filename-wrapped" ]; then
amp-0.0.1788105629-g37d5d1>                 printf '%s\0' "$file" 1>&4;
amp-0.0.1788105629-g37d5d1>             fi;
amp-0.0.1788105629-g37d5d1>         fi;
amp-0.0.1788105629-g37d5d1>     fi;
amp-0.0.1788105629-g37d5d1> done
amp-0.0.1788105629-g37d5d1> patching script interpreter paths in /nix/store/vf7w0zsgsl8z4zffns659yri0fqqys04-amp-0.0.1788105629-g37d5d1
amp-0.0.1788105629-g37d5d1> adding code signature flag CodeSignatureFlags(LINKER_SIGNED) to main signing target
amp-0.0.1788105629-g37d5d1> signing /nix/store/vf7w0zsgsl8z4zffns659yri0fqqys04-amp-0.0.1788105629-g37d5d1/bin/amp in place
amp-0.0.1788105629-g37d5d1> signing /nix/store/vf7w0zsgsl8z4zffns659yri0fqqys04-amp-0.0.1788105629-g37d5d1/bin/amp as a Mach-O binary
amp-0.0.1788105629-g37d5d1> setting binary identifier to amp
amp-0.0.1788105629-g37d5d1> parsing Mach-O
amp-0.0.1788105629-g37d5d1> writing Mach-O to /nix/store/vf7w0zsgsl8z4zffns659yri0fqqys04-amp-0.0.1788105629-g37d5d1/bin/amp
amp-0.0.1788105629-g37d5d1> Running phase: installCheckPhase
amp-0.0.1788105629-g37d5d1> Executing versionCheckPhase
amp-0.0.1788105629-g37d5d1> Successfully managed to find version 0.0.1788105629-g37d5d1 in the output of the command /nix/store/vf7w0zsgsl8z4zffns659yri0fqqys04-amp-0.0.1788105629-g37d5d1/bin/amp --version
amp-0.0.1788105629-g37d5d1> 0.0.1788105629-g37d5d1 (released 2026-08-30T16:00:29.000Z, 2h ago)
amp-0.0.1788105629-g37d5d1> Finished versionCheckPhase
amp-0.0.1788105629-g37d5d1> no Makefile or custom installCheckPhase, doing nothing

post-build step Upload to niks3: ok
time=2026-08-30T18:16:18.782Z level=INFO msg="Uploading 1 paths to niks3.numtide.com (5 already cached)"
time=2026-08-30T18:16:18.782Z level=INFO msg="Uploading vf7w0zsgsl8z4zffns659yri0fqqys04-amp-0.0.1788105629-g37d5d1 (68.0MB)"
time=2026-08-30T18:16:30.186Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-30T18:16:30.663Z level=INFO msg="Upload complete. (12.663s)"