this derivation will be built:
  /nix/store/naya6a996h4sfvd2sbd62cjhnl8zwg6g-swamp-20260825.163320.0-sha.d8bf7bd8.drv
building '/nix/store/naya6a996h4sfvd2sbd62cjhnl8zwg6g-swamp-20260825.163320.0-sha.d8bf7bd8.drv'
swamp-20260825.163320.0-sha.d8bf7bd8> Using versionCheckHook
swamp-20260825.163320.0-sha.d8bf7bd8> Running phase: unpackPhase
swamp-20260825.163320.0-sha.d8bf7bd8> unpacking source archive /nix/store/2n1kwcd7xh39xr68kl8jajl556vibigi-swamp-20260825.163320.0-sha.d8bf7bd8-binary-linux-x86_64.tar.gz
swamp-20260825.163320.0-sha.d8bf7bd8> source root is .
swamp-20260825.163320.0-sha.d8bf7bd8> setting SOURCE_DATE_EPOCH to timestamp 1787676881 of file "./swamp"
swamp-20260825.163320.0-sha.d8bf7bd8> Running phase: patchPhase
swamp-20260825.163320.0-sha.d8bf7bd8> Running phase: updateAutotoolsGnuConfigScriptsPhase
swamp-20260825.163320.0-sha.d8bf7bd8> Running phase: configurePhase
swamp-20260825.163320.0-sha.d8bf7bd8> no configure script, doing nothing
swamp-20260825.163320.0-sha.d8bf7bd8> Running phase: buildPhase
swamp-20260825.163320.0-sha.d8bf7bd8> no Makefile or custom buildPhase, doing nothing
swamp-20260825.163320.0-sha.d8bf7bd8> Running phase: installPhase
swamp-20260825.163320.0-sha.d8bf7bd8> Running phase: fixupPhase
swamp-20260825.163320.0-sha.d8bf7bd8> shrinking RPATHs of ELF executables and libraries in /nix/store/jd06wmj2qd9d6rq1cmg3kx97vjnj021i-swamp-20260825.163320.0-sha.d8bf7bd8
swamp-20260825.163320.0-sha.d8bf7bd8> shrinking /nix/store/jd06wmj2qd9d6rq1cmg3kx97vjnj021i-swamp-20260825.163320.0-sha.d8bf7bd8/bin/swamp
swamp-20260825.163320.0-sha.d8bf7bd8> checking for references to /build/ in /nix/store/jd06wmj2qd9d6rq1cmg3kx97vjnj021i-swamp-20260825.163320.0-sha.d8bf7bd8...
swamp-20260825.163320.0-sha.d8bf7bd8> patching script interpreter paths in /nix/store/jd06wmj2qd9d6rq1cmg3kx97vjnj021i-swamp-20260825.163320.0-sha.d8bf7bd8
swamp-20260825.163320.0-sha.d8bf7bd8> wrapBuddy: wrapping paths: /nix/store/jd06wmj2qd9d6rq1cmg3kx97vjnj021i-swamp-20260825.163320.0-sha.d8bf7bd8
swamp-20260825.163320.0-sha.d8bf7bd8> Using interpreter: /nix/store/0d8g8n0a11v6f5m2h416ajyxmnkwc3md-glibc-2.42-67/lib/ld-linux-x86-64.so.2
swamp-20260825.163320.0-sha.d8bf7bd8> 64-bit stub: 407 bytes
swamp-20260825.163320.0-sha.d8bf7bd8> 32-bit stub: 441 bytes
swamp-20260825.163320.0-sha.d8bf7bd8> Patching: /nix/store/jd06wmj2qd9d6rq1cmg3kx97vjnj021i-swamp-20260825.163320.0-sha.d8bf7bd8/bin/swamp
swamp-20260825.163320.0-sha.d8bf7bd8>   ELF class: 64-bit
swamp-20260825.163320.0-sha.d8bf7bd8>   Original entry: 0x2271000 (file offset: 0x2270000)
swamp-20260825.163320.0-sha.d8bf7bd8>   Available space at entry: 50417312 bytes
swamp-20260825.163320.0-sha.d8bf7bd8>   Stub size: 407 bytes (padded to 416)
swamp-20260825.163320.0-sha.d8bf7bd8>   Wrote config to /nix/store/jd06wmj2qd9d6rq1cmg3kx97vjnj021i-swamp-20260825.163320.0-sha.d8bf7bd8/bin/.swamp.wrapbuddy
swamp-20260825.163320.0-sha.d8bf7bd8>   Overwrote 416 bytes at entry point
swamp-20260825.163320.0-sha.d8bf7bd8>   Converted PT_INTERP to PT_NULL
swamp-20260825.163320.0-sha.d8bf7bd8> Patched: /nix/store/jd06wmj2qd9d6rq1cmg3kx97vjnj021i-swamp-20260825.163320.0-sha.d8bf7bd8/bin/swamp
swamp-20260825.163320.0-sha.d8bf7bd8> Running phase: installCheckPhase
swamp-20260825.163320.0-sha.d8bf7bd8> Executing versionCheckPhase
swamp-20260825.163320.0-sha.d8bf7bd8> Successfully managed to find version 20260825.163320.0-sha.d8bf7bd8 in the output of the command /nix/store/jd06wmj2qd9d6rq1cmg3kx97vjnj021i-swamp-20260825.163320.0-sha.d8bf7bd8/bin/swamp --version
swamp-20260825.163320.0-sha.d8bf7bd8> swamp 20260825.163320.0-sha.d8bf7bd8
swamp-20260825.163320.0-sha.d8bf7bd8> Finished versionCheckPhase
swamp-20260825.163320.0-sha.d8bf7bd8> no Makefile or custom installCheckPhase, doing nothing

post-build step Upload to niks3: ok
time=2026-08-25T21:24:51.935Z level=INFO msg="Uploading 1 paths to niks3.numtide.com (7 already cached)"
time=2026-08-25T21:24:51.936Z level=INFO msg="Uploading jd06wmj2qd9d6rq1cmg3kx97vjnj021i-swamp-20260825.163320.0-sha.d8bf7bd8 (350.0MB)"
time=2026-08-25T21:25:04.489Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-25T21:25:04.854Z level=INFO msg="Upload complete. (13.309s)"