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ERROR: No toolchain found for cpu 'k8'.

See original GitHub issue

buchgr@buchgr0:~/Code$ git clone git@github.com:bazelbuild/bazel.git
Cloning into 'bazel'...
Enter passphrase for key '/usr/local/google/home/buchgr/.ssh/id_rsa': 
remote: Counting objects: 186522, done.
remote: Compressing objects: 100% (307/307), done.
remote: Total 186522 (delta 219), reused 483 (delta 207), pack-reused 185894
Receiving objects: 100% (186522/186522), 365.36 MiB | 19.85 MiB/s, done.
Resolving deltas: 100% (114132/114132), done.
buchgr@buchgr0:~/Code$ cd bazel
buchgr@buchgr0:~/Code/bazel$ bazel version
.
Build label: 0.5.1
Build target: bazel-out/local-fastbuild/bin/src/main/java/com/google/devtools/build/lib/bazel/BazelServer_deploy.jar
Build time: Tue Jun 6 10:34:11 2017 (1496745251)
Build timestamp: 1496745251
Build timestamp as int: 1496745251
buchgr@buchgr0:~/Code/bazel$ bazel build //src:bazel
ERROR: No toolchain found for cpu 'k8'. Valid cpus are: [
  piii,
  armeabi-v7a,
  x64_windows_msvc,
  x64_windows_msys,
  s390x,
  ios_x86_64,
].
INFO: Elapsed time: 1.466s
buchgr@buchgr0:~/Code/bazel$ bazel clean --expunge
INFO: Starting clean (this may take a while). Consider using --expunge_async if the clean takes more than several minutes.
buchgr@buchgr0:~/Code/bazel$ bazel build //src:bazel
...........
ERROR: No toolchain found for cpu 'k8'. Valid cpus are: [
  piii,
  armeabi-v7a,
  x64_windows_msvc,
  x64_windows_msys,
  s390x,
  ios_x86_64,
].
INFO: Elapsed time: 1.683s
buchgr@buchgr0:~/Code/bazel$ bazel clean
INFO: Starting clean (this may take a while). Consider using --async if the clean takes more than several minutes.
buchgr@buchgr0:~/Code/bazel$ bazel shutdown
buchgr@buchgr0:~/Code/bazel$ bazel clean --expunge
...........
INFO: Starting clean (this may take a while). Consider using --expunge_async if the clean takes more than several minutes.
buchgr@buchgr0:~/Code/bazel$ bazel build //src:bazel
...........
ERROR: No toolchain found for cpu 'k8'. Valid cpus are: [
  piii,
  armeabi-v7a,
  x64_windows_msvc,
  x64_windows_msys,
  s390x,
  ios_x86_64,
].
INFO: Elapsed time: 1.575s
buchgr@buchgr0:~/Code/bazel$

buchgr@buchgr0:~$ cat .blazerc 
common --show_progress_rate_limit=0.2
build --experimental_ui --experimental_ui_actions_shown 7
build --experimental_skyframe_target_pattern_evaluator
build --nostamp

I have first encountered this problem with bazel 0.5.1.

cc: @mhlopko