this derivation will be built:
  /nix/store/b6p3d9hf6blqm3kirkj91k5clabv8pjy-swamp-20260826.004253.0-sha.b64b034d.drv
building '/nix/store/b6p3d9hf6blqm3kirkj91k5clabv8pjy-swamp-20260826.004253.0-sha.b64b034d.drv'
swamp-20260826.004253.0-sha.b64b034d> Using versionCheckHook
swamp-20260826.004253.0-sha.b64b034d> Running phase: unpackPhase
swamp-20260826.004253.0-sha.b64b034d> unpacking source archive /nix/store/gvrvy04pmawr2nx1m9mifhqbi9gzjqv5-swamp-20260826.004253.0-sha.b64b034d-binary-linux-x86_64.tar.gz
swamp-20260826.004253.0-sha.b64b034d> source root is .
swamp-20260826.004253.0-sha.b64b034d> setting SOURCE_DATE_EPOCH to timestamp 1787706158 of file "./swamp"
swamp-20260826.004253.0-sha.b64b034d> Running phase: patchPhase
swamp-20260826.004253.0-sha.b64b034d> Running phase: updateAutotoolsGnuConfigScriptsPhase
swamp-20260826.004253.0-sha.b64b034d> Running phase: configurePhase
swamp-20260826.004253.0-sha.b64b034d> no configure script, doing nothing
swamp-20260826.004253.0-sha.b64b034d> Running phase: buildPhase
swamp-20260826.004253.0-sha.b64b034d> no Makefile or custom buildPhase, doing nothing
swamp-20260826.004253.0-sha.b64b034d> Running phase: installPhase
swamp-20260826.004253.0-sha.b64b034d> Running phase: fixupPhase
swamp-20260826.004253.0-sha.b64b034d> shrinking RPATHs of ELF executables and libraries in /nix/store/q6i4wakacrplcyyv4232xm8ycr5cnb6x-swamp-20260826.004253.0-sha.b64b034d
swamp-20260826.004253.0-sha.b64b034d> shrinking /nix/store/q6i4wakacrplcyyv4232xm8ycr5cnb6x-swamp-20260826.004253.0-sha.b64b034d/bin/swamp
swamp-20260826.004253.0-sha.b64b034d> checking for references to /build/ in /nix/store/q6i4wakacrplcyyv4232xm8ycr5cnb6x-swamp-20260826.004253.0-sha.b64b034d...
swamp-20260826.004253.0-sha.b64b034d> patching script interpreter paths in /nix/store/q6i4wakacrplcyyv4232xm8ycr5cnb6x-swamp-20260826.004253.0-sha.b64b034d
swamp-20260826.004253.0-sha.b64b034d> wrapBuddy: wrapping paths: /nix/store/q6i4wakacrplcyyv4232xm8ycr5cnb6x-swamp-20260826.004253.0-sha.b64b034d
swamp-20260826.004253.0-sha.b64b034d> Using interpreter: /nix/store/0d8g8n0a11v6f5m2h416ajyxmnkwc3md-glibc-2.42-67/lib/ld-linux-x86-64.so.2
swamp-20260826.004253.0-sha.b64b034d> 64-bit stub: 407 bytes
swamp-20260826.004253.0-sha.b64b034d> 32-bit stub: 441 bytes
swamp-20260826.004253.0-sha.b64b034d> Patching: /nix/store/q6i4wakacrplcyyv4232xm8ycr5cnb6x-swamp-20260826.004253.0-sha.b64b034d/bin/swamp
swamp-20260826.004253.0-sha.b64b034d>   ELF class: 64-bit
swamp-20260826.004253.0-sha.b64b034d>   Original entry: 0x2271000 (file offset: 0x2270000)
swamp-20260826.004253.0-sha.b64b034d>   Available space at entry: 50417312 bytes
swamp-20260826.004253.0-sha.b64b034d>   Stub size: 407 bytes (padded to 416)
swamp-20260826.004253.0-sha.b64b034d>   Wrote config to /nix/store/q6i4wakacrplcyyv4232xm8ycr5cnb6x-swamp-20260826.004253.0-sha.b64b034d/bin/.swamp.wrapbuddy
swamp-20260826.004253.0-sha.b64b034d>   Overwrote 416 bytes at entry point
swamp-20260826.004253.0-sha.b64b034d>   Converted PT_INTERP to PT_NULL
swamp-20260826.004253.0-sha.b64b034d> Patched: /nix/store/q6i4wakacrplcyyv4232xm8ycr5cnb6x-swamp-20260826.004253.0-sha.b64b034d/bin/swamp
swamp-20260826.004253.0-sha.b64b034d> Running phase: installCheckPhase
swamp-20260826.004253.0-sha.b64b034d> Executing versionCheckPhase
swamp-20260826.004253.0-sha.b64b034d> Successfully managed to find version 20260826.004253.0-sha.b64b034d in the output of the command /nix/store/q6i4wakacrplcyyv4232xm8ycr5cnb6x-swamp-20260826.004253.0-sha.b64b034d/bin/swamp --version
swamp-20260826.004253.0-sha.b64b034d> swamp 20260826.004253.0-sha.b64b034d
swamp-20260826.004253.0-sha.b64b034d> Finished versionCheckPhase
swamp-20260826.004253.0-sha.b64b034d> no Makefile or custom installCheckPhase, doing nothing

post-build step Upload to niks3: ok
time=2026-08-26T18:56:30.198Z level=INFO msg="Uploading 1 paths to niks3.numtide.com (7 already cached)"
time=2026-08-26T18:56:30.198Z level=INFO msg="Uploading q6i4wakacrplcyyv4232xm8ycr5cnb6x-swamp-20260826.004253.0-sha.b64b034d (350.0MB)"
time=2026-08-26T18:56:41.686Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-26T18:56:42.051Z level=INFO msg="Upload complete. (12.147s)"