[task 2018-04-16T13:35:37.612Z] 13:35:37     INFO -   0:03.62 Downloading to temporary location /builds/worker/tooltool-cache/21f388fc53133c42-android-ndk.tar.xz
[task 2018-04-16T13:35:38.267Z] 13:35:38     INFO -   0:04.28 Purged artifact /builds/worker/tooltool-cache/5aa468aba61f4bfe-android-ndk.tar.xz
[task 2018-04-16T13:35:38.274Z] 13:35:38     INFO -   0:04.29 404 Client Error: Not Found for url: https://taskcluster-private-artifacts.s3-us-west-2.amazonaws.com/coZ_JCS3SfGM1zWT_Wq7Zg%252F0%252Fproject%252Fgecko%252Fandroid-ndk%252Fandroid-ndk.tar.xz?AWSAccessKeyId=AKIAJQESBGXODWDRTZUA&Expires=1523887537&Signature=bTGGKa2MabtoOGk90UWXtkVlA3o%3D
[task 2018-04-16T13:35:38.274Z] 13:35:38     INFO -   0:04.29 Failed to download android-ndk.tar.xz
[task 2018-04-16T13:35:38.297Z] 13:35:38    ERROR - Return code: 1
[task 2018-04-16T13:35:38.298Z] 13:35:38    ERROR - 1 not in success codes: [0]
[task 2018-04-16T13:35:38.298Z] 13:35:38  WARNING - setting return code to 2
[task 2018-04-16T13:35:38.298Z] 13:35:38    FATAL - Halting on failure while running ['/usr/bin/python2.7', '-u', '/builds/worker/workspace/build/src/mach', 'artifact', 'toolchain', '-v', '--retry', '4', '--artifact-manifest', '/builds/worker/workspace/build/src/toolchains.json', '--tooltool-manifest', '/builds/worker/workspace/build/src/mobile/android/config/tooltool-manifests/android/releng.manifest', '--tooltool-url', 'http://relengapi/tooltool/', '--cache-dir', '/builds/worker/tooltool-cache', 'public/build/android-gradle-dependencies.tar.xz@FEG-43YrRXuiQ08D2kBIDg', 'project/gecko/android-ndk/android-ndk.tar.xz@coZ_JCS3SfGM1zWT_Wq7Zg', 'project/gecko/android-sdk/android-sdk-linux.tar.xz@FqR6qiVzRyiuvpujS3euRg', 'public/build/clang.tar.xz@UZ9o6gFmQ2WITuSe-efjoA', 'public/build/rustc.tar.xz@QtlHC_anS9SWbOEEvVlJ1w', 'public/build/sccache2.tar.xz@S2vN0yqMTNOCvMvRI1wUAA']
[task 2018-04-16T13:35:38.299Z] 13:35:38    FATAL - Running post_fatal callback...
[task 2018-04-16T13:35:38.299Z] 13:35:38    FATAL - Exiting 2