these 5 derivations will be built:
  /nix/store/1b36jmz1jjff7hcqr0kryxgjj0wxfyld-echo-server-0.1.0.drv
  /nix/store/yp6rml9ganz8q7v8l6ya3qbwq5fa5x1p-echo-server-config.json.drv
  /nix/store/cxk9rnqkx9i11g9yww78yj6digyghryz-docker-layer-echo-server.drv
  /nix/store/mzqyjvqkkz8sd2v0zm5qq0d2cvcfj5c9-runtime-deps.drv
  /nix/store/036bj2dmkryf3yzgha5kxpvgxisnz1rx-docker-image-echo-server.tar.gz.drv
these 9 paths will be fetched (41.6 MiB download, 220.3 MiB unpacked):
  /nix/store/dimnagks1qsp7180yw74z0npp7z2ihs3-go-1.26.2
  /nix/store/d15jiramnim07dlhnbg9dijzy763shk0-jshon-20170302
  /nix/store/4scs7wp5qhg7dylh3263n8himd5prwpv-moreutils-0.70
  /nix/store/9nryvpvnwawl348rdvhrrich4hk1j1gv-perl-5.42.0-env
  /nix/store/awzycf8568ykfv6jl8dhclx06ksykafw-perl5.42.0-IO-Tty-1.20
  /nix/store/whr49vc1p0340hyv5jq2dgbclf3pg9fb-perl5.42.0-IPC-Run-20231003.0
  /nix/store/4m49ym03d370vczvzk73icl4hqzjq1wp-perl5.42.0-Time-Duration-1.21
  /nix/store/zj6qyrs4nyvav1nn3yalh78wgjc9qb8c-pigz-2.8
  /nix/store/nx1c3zjfigzdhaglhyg435kmk5n5p1bg-tarsum
copying path '/nix/store/d15jiramnim07dlhnbg9dijzy763shk0-jshon-20170302' from 'https://cache.nixos.org'...
copying path '/nix/store/4m49ym03d370vczvzk73icl4hqzjq1wp-perl5.42.0-Time-Duration-1.21' from 'https://cache.nixos.org'...
copying path '/nix/store/zj6qyrs4nyvav1nn3yalh78wgjc9qb8c-pigz-2.8' from 'https://cache.nixos.org'...
copying path '/nix/store/awzycf8568ykfv6jl8dhclx06ksykafw-perl5.42.0-IO-Tty-1.20' from 'https://cache.nixos.org'...
copying path '/nix/store/nx1c3zjfigzdhaglhyg435kmk5n5p1bg-tarsum' from 'https://cache.nixos.org'...
building '/nix/store/yp6rml9ganz8q7v8l6ya3qbwq5fa5x1p-echo-server-config.json.drv'...
copying path '/nix/store/dimnagks1qsp7180yw74z0npp7z2ihs3-go-1.26.2' from 'https://cache.nixos.org'...
copying path '/nix/store/whr49vc1p0340hyv5jq2dgbclf3pg9fb-perl5.42.0-IPC-Run-20231003.0' from 'https://cache.nixos.org'...
copying path '/nix/store/9nryvpvnwawl348rdvhrrich4hk1j1gv-perl-5.42.0-env' from 'https://cache.nixos.org'...
copying path '/nix/store/4scs7wp5qhg7dylh3263n8himd5prwpv-moreutils-0.70' from 'https://cache.nixos.org'...
building '/nix/store/1b36jmz1jjff7hcqr0kryxgjj0wxfyld-echo-server-0.1.0.drv'...
Running phase: unpackPhase
unpacking source archive /nix/store/0a5rr0vigy462b7s3vih9d0im913mhch-echo-server
source root is echo-server
Running phase: patchPhase
Running phase: updateAutotoolsGnuConfigScriptsPhase
Running phase: configurePhase
Running phase: buildPhase
Building subPackage .
Running phase: checkPhase
Running phase: installPhase
Running phase: fixupPhase
shrinking RPATHs of ELF executables and libraries in /nix/store/qgwlcmwhabqvjwm9xqvjcrxwwfc0pcwv-echo-server-0.1.0
shrinking /nix/store/qgwlcmwhabqvjwm9xqvjcrxwwfc0pcwv-echo-server-0.1.0/bin/echo-server
patchelf: cannot find section '.dynamic'. The input file is most likely statically linked
checking for references to /build/ in /nix/store/qgwlcmwhabqvjwm9xqvjcrxwwfc0pcwv-echo-server-0.1.0...
patchelf: cannot find section '.dynamic'. The input file is most likely statically linked
patching script interpreter paths in /nix/store/qgwlcmwhabqvjwm9xqvjcrxwwfc0pcwv-echo-server-0.1.0
stripping (with command strip and flags -S -p) in  /nix/store/qgwlcmwhabqvjwm9xqvjcrxwwfc0pcwv-echo-server-0.1.0/bin
building '/nix/store/cxk9rnqkx9i11g9yww78yj6digyghryz-docker-layer-echo-server.drv'...
Adding contents...
Adding /nix/store/qgwlcmwhabqvjwm9xqvjcrxwwfc0pcwv-echo-server-0.1.0
Packing layer...
Finished building layer 'echo-server'
building '/nix/store/mzqyjvqkkz8sd2v0zm5qq0d2cvcfj5c9-runtime-deps.drv'...
structuredAttrs is enabled
building '/nix/store/036bj2dmkryf3yzgha5kxpvgxisnz1rx-docker-image-echo-server.tar.gz.drv'...
Adding layer...
tar: Removing leading `/' from member names
Adding meta...
Cooking the image...
Finished.