this derivation will be built:
  /nix/store/w9qp55jz23fqynw37bpfv9vlk12ww2gy-eca-0.157.1.drv
building '/nix/store/w9qp55jz23fqynw37bpfv9vlk12ww2gy-eca-0.157.1.drv'
eca-0.157.1> Using versionCheckHook
eca-0.157.1> Running phase: unpackPhase
eca-0.157.1> Archive:  /nix/store/xvvqz6ch8wr90ydgz4y0iyqmp7ybxfxw-eca-native-linux-amd64.zip
eca-0.157.1>   inflating: eca                     
eca-0.157.1> Running phase: patchPhase
eca-0.157.1> Running phase: updateAutotoolsGnuConfigScriptsPhase
eca-0.157.1> Running phase: configurePhase
eca-0.157.1> no configure script, doing nothing
eca-0.157.1> Running phase: installPhase
eca-0.157.1> Running phase: fixupPhase
eca-0.157.1> shrinking RPATHs of ELF executables and libraries in /nix/store/gc73namrfrs25qcgjddhybasq0zkqiac-eca-0.157.1
eca-0.157.1> shrinking /nix/store/gc73namrfrs25qcgjddhybasq0zkqiac-eca-0.157.1/bin/eca
eca-0.157.1> checking for references to /build/ in /nix/store/gc73namrfrs25qcgjddhybasq0zkqiac-eca-0.157.1...
eca-0.157.1> patching script interpreter paths in /nix/store/gc73namrfrs25qcgjddhybasq0zkqiac-eca-0.157.1
eca-0.157.1> stripping (with command strip and flags -S -p) in /nix/store/gc73namrfrs25qcgjddhybasq0zkqiac-eca-0.157.1/bin
eca-0.157.1> wrapBuddy: wrapping paths: /nix/store/gc73namrfrs25qcgjddhybasq0zkqiac-eca-0.157.1
eca-0.157.1> Using interpreter: /nix/store/0d8g8n0a11v6f5m2h416ajyxmnkwc3md-glibc-2.42-67/lib/ld-linux-x86-64.so.2
eca-0.157.1> 64-bit stub: 407 bytes
eca-0.157.1> 32-bit stub: 441 bytes
eca-0.157.1> Patching: /nix/store/gc73namrfrs25qcgjddhybasq0zkqiac-eca-0.157.1/bin/eca
eca-0.157.1>   ELF class: 64-bit
eca-0.157.1>   Original entry: 0x16d0000 (file offset: 0x16d0000)
eca-0.157.1>   Available space at entry: 24863597 bytes
eca-0.157.1>   Stub size: 407 bytes (padded to 416)
eca-0.157.1>   Wrote config to /nix/store/gc73namrfrs25qcgjddhybasq0zkqiac-eca-0.157.1/bin/.eca.wrapbuddy
eca-0.157.1>   Overwrote 416 bytes at entry point
eca-0.157.1>   Converted PT_INTERP to PT_NULL
eca-0.157.1> Patched: /nix/store/gc73namrfrs25qcgjddhybasq0zkqiac-eca-0.157.1/bin/eca
eca-0.157.1> Running phase: installCheckPhase
eca-0.157.1> Executing versionCheckPhase
eca-0.157.1> Successfully managed to find version 0.157.1 in the output of the command /nix/store/gc73namrfrs25qcgjddhybasq0zkqiac-eca-0.157.1/bin/eca --version
eca-0.157.1> eca 0.157.1
eca-0.157.1> Finished versionCheckPhase
eca-0.157.1> no Makefile or custom installCheckPhase, doing nothing

post-build step Upload to niks3: ok
time=2026-08-26T18:56:24.848Z level=INFO msg="Uploading 1 paths to niks3.numtide.com (8 already cached)"
time=2026-08-26T18:56:24.848Z level=INFO msg="Uploading gc73namrfrs25qcgjddhybasq0zkqiac-eca-0.157.1 (101.9MB)"
time=2026-08-26T18:56:28.298Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-26T18:56:28.636Z level=INFO msg="Upload complete. (4.217s)"