MacOsX "make image" fails

[three-old-coders]

[INFO ] Performing some trivial sanity checks
[INFO ] Build started 20211231.143127
[INFO ] Building environment variables
[INFO ] =================================================================
[INFO ] Retrieving needed toolchain components' tarballs
[ERROR]
[ERROR] >>
[ERROR] >> Build failed in step 'Retrieving needed toolchain components' tarballs'
[ERROR] >> called in step '(top-level)'
[ERROR] >>
[ERROR] >> Error happened in: do_isl_get[scripts/build/companion_libs/121-isl.sh@16]
[ERROR] >> called from: do_companion_libs_get[scripts/build/companion_libs.sh@15]
[ERROR] >> called from: main[scripts/crosstool-NG.sh@591]
[ERROR] >>
[ERROR] >> For more info on this error, look at the file: 'build.log'
[ERROR] >> There is a list of known issues, some with workarounds, in:
[ERROR] >> 'docs/B - Known issues.txt'
[ERROR]
[ERROR] (elapsed: 4:28.51)
[04:29] / make: *** [build] Error 1
#14 269.2 ct-ng:152: recipe for target 'build' failed

executor failed running [/bin/sh -c cd /esp && cd crosstool-NG && ./ct-ng xtensa-esp32-elf && CT_ONLY_EXTRACT=y ./ct-ng build]: exit code: 2
make: *** [image] Error 1

Where can I find the build.log?