these 2 derivations will be built:
  /nix/store/np97qd1va99pvb3qk5zr80dwsffjia4x-amp-darwin-arm64.drv
  /nix/store/l509qj8kqp5wr4fq9a4m289aiw9f5qmy-amp-0.0.1786637674-gb9011e.drv
building '/nix/store/ggvkm7f0878hs8vm2p77b9af5ali4f4a-amp-darwin-arm64.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/ggvkm7f0878hs8vm2p77b9af5ali4f4a-amp-darwin-arm64.drv'
amp-darwin-arm64> structuredAttrs is enabled
amp-darwin-arm64> 
amp-darwin-arm64> trying https://static.ampcode.com/cli/0.0.1786637674-gb9011e/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>  11 68.60M  11  8.11M   0      0  7.79M      0   00:08   00:01   00:07  8.12M
amp-darwin-arm64>  32 68.60M  32 22.56M   0      0 11.04M      0   00:06   00:02   00:04 11.27M
amp-darwin-arm64>  54 68.60M  54 37.45M   0      0 12.29M      0   00:05   00:03   00:02 12.46M
amp-darwin-arm64>  76 68.60M  76 52.35M   0      0 12.89M      0   00:05   00:04   00:01 13.02M
amp-darwin-arm64>  98 68.60M  98 67.24M   0      0 13.28M      0   00:05   00:05         13.39M
amp-darwin-arm64> 100 68.60M 100 68.60M   0      0 13.32M      0   00:05   00:05         13.39M
amp-darwin-arm64> 100 68.60M 100 68.60M   0      0 13.32M      0   00:05   00:05         13.39M
amp-darwin-arm64> 100 68.60M 100 68.60M   0      0 13.32M      0   00:05   00:05         13.39M
building '/nix/store/l509qj8kqp5wr4fq9a4m289aiw9f5qmy-amp-0.0.1786637674-gb9011e.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/l509qj8kqp5wr4fq9a4m289aiw9f5qmy-amp-0.0.1786637674-gb9011e.drv'
amp-0.0.1786637674-gb9011e> Using versionCheckHook
amp-0.0.1786637674-gb9011e> Running phase: patchPhase
amp-0.0.1786637674-gb9011e> Running phase: updateAutotoolsGnuConfigScriptsPhase
amp-0.0.1786637674-gb9011e> Running phase: configurePhase
amp-0.0.1786637674-gb9011e> no configure script, doing nothing
amp-0.0.1786637674-gb9011e> Running phase: buildPhase
amp-0.0.1786637674-gb9011e> no Makefile or custom buildPhase, doing nothing
amp-0.0.1786637674-gb9011e> Running phase: installPhase
amp-0.0.1786637674-gb9011e> Running phase: fixupPhase
amp-0.0.1786637674-gb9011e> checking for references to /nix/var/nix/builds/nix-62714-427561699/ in /nix/store/dvcchzgnznznh837gnn6wbynmgy1rmcx-amp-0.0.1786637674-gb9011e...
amp-0.0.1786637674-gb9011e> /nix/store/cv1d7p48379km6a85h4zp6kr86brh32q-audit-tmpdir.sh: line 39: 62794 Done                       find "$dir" -type f -not -path '*/.build-id/*' -print0
amp-0.0.1786637674-gb9011e>      62795 Segmentation fault: 11     | while IFS= read -r -d '' file; do
amp-0.0.1786637674-gb9011e>     if isELF "$file"; then
amp-0.0.1786637674-gb9011e>         printf '%s\0' "$file" 1>&3;
amp-0.0.1786637674-gb9011e>     else
amp-0.0.1786637674-gb9011e>         if isScript "$file"; then
amp-0.0.1786637674-gb9011e>             filename=${file##*/}; dir=${file%/*}; if [ -e "$dir/.$filename-wrapped" ]; then
amp-0.0.1786637674-gb9011e>                 printf '%s\0' "$file" 1>&4;
amp-0.0.1786637674-gb9011e>             fi;
amp-0.0.1786637674-gb9011e>         fi;
amp-0.0.1786637674-gb9011e>     fi;
amp-0.0.1786637674-gb9011e> done
amp-0.0.1786637674-gb9011e> patching script interpreter paths in /nix/store/dvcchzgnznznh837gnn6wbynmgy1rmcx-amp-0.0.1786637674-gb9011e
amp-0.0.1786637674-gb9011e> adding code signature flag CodeSignatureFlags(LINKER_SIGNED) to main signing target
amp-0.0.1786637674-gb9011e> signing /nix/store/dvcchzgnznznh837gnn6wbynmgy1rmcx-amp-0.0.1786637674-gb9011e/bin/amp in place
amp-0.0.1786637674-gb9011e> signing /nix/store/dvcchzgnznznh837gnn6wbynmgy1rmcx-amp-0.0.1786637674-gb9011e/bin/amp as a Mach-O binary
amp-0.0.1786637674-gb9011e> setting binary identifier to amp
amp-0.0.1786637674-gb9011e> parsing Mach-O
amp-0.0.1786637674-gb9011e> writing Mach-O to /nix/store/dvcchzgnznznh837gnn6wbynmgy1rmcx-amp-0.0.1786637674-gb9011e/bin/amp
amp-0.0.1786637674-gb9011e> Running phase: installCheckPhase
amp-0.0.1786637674-gb9011e> Executing versionCheckPhase
amp-0.0.1786637674-gb9011e> Successfully managed to find version 0.0.1786637674-gb9011e in the output of the command /nix/store/dvcchzgnznznh837gnn6wbynmgy1rmcx-amp-0.0.1786637674-gb9011e/bin/amp --version
amp-0.0.1786637674-gb9011e> 0.0.1786637674-gb9011e (released 2026-08-13T16:14:34.000Z, 2h ago)
amp-0.0.1786637674-gb9011e> Finished versionCheckPhase
amp-0.0.1786637674-gb9011e> no Makefile or custom installCheckPhase, doing nothing

post-build step Upload to niks3: ok
time=2026-08-13T18:24:01.818Z level=INFO msg="Uploading 1 paths to niks3.numtide.com (5 already cached)"
time=2026-08-13T18:24:01.819Z level=INFO msg="Uploading dvcchzgnznznh837gnn6wbynmgy1rmcx-amp-0.0.1786637674-gb9011e (68.6MB)"
time=2026-08-13T18:24:05.340Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-13T18:24:05.670Z level=INFO msg="Upload complete. (4.102s)"