[INFO] cloning repository https://github.com/zcash/mpc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zcash/mpc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzcash%2Fmpc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzcash%2Fmpc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79e7689e78180b5b6b3855d2d2e3f213674121e9
[INFO] checking zcash/mpc against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzcash%2Fmpc" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: unable to write file iso/apks/x86_64/gcc-5.3.0-r0.apk
[INFO] [stderr] error: unable to write file iso/apks/x86_64/git-2.8.3-r0.apk
[INFO] [stderr] Updating files:  31% (58/182)
error: unable to write file iso/apks/x86_64/gmp-6.1.0-r0.apk
[INFO] [stderr] Updating files:  32% (59/182)
error: unable to write file iso/apks/x86_64/gradm-3.1.201603152148-r0.apk
[INFO] [stderr] error: unable to write file iso/apks/x86_64/isl-0.14.1-r0.apk
[INFO] [stderr] Updating files:  33% (61/182)
error: unable to write file iso/apks/x86_64/kmod-22-r0.apk
[INFO] [stderr] Updating files:  34% (62/182)
error: unable to write file iso/apks/x86_64/lddtree-1.25-r2.apk
[INFO] [stderr] error: unable to write file iso/apks/x86_64/libacl-2.2.52-r2.apk
[INFO] [stderr] Updating files:  35% (64/182)
error: unable to write file iso/apks/x86_64/libatomic-5.3.0-r0.apk
[INFO] [stderr] error: unable to write file iso/apks/x86_64/libattr-2.4.47-r4.apk
[INFO] [stderr] Updating files:  36% (66/182)
error: unable to write file iso/apks/x86_64/libblkid-2.28-r3.apk
[INFO] [stderr] error: unable to write file iso/apks/x86_64/libburn-1.4.4-r0.apk
[INFO] [stderr] Updating files:  37% (68/182)
error: unable to write file iso/apks/x86_64/libbz2-1.0.6-r4.apk
[INFO] [stderr] error: unable to write file iso/apks/x86_64/libbz2-1.0.6-r5.apk
[INFO] [stderr] Updating files:  38% (70/182)
error: unable to write file iso/apks/x86_64/libc-dev-0.7-r0.apk
[INFO] [stderr] Updating files:  39% (71/182)
error: unable to write file iso/apks/x86_64/libc-utils-0.7-r0.apk
[INFO] [stderr] error: unable to write file iso/apks/x86_64/libcap-2.25-r0.apk
[INFO] [stderr] Updating files:  40% (73/182)
error: unable to write file iso/apks/x86_64/libcrypto1.0-1.0.2h-r4.apk
[INFO] [stderr] error: unable to write file iso/apks/x86_64/libcrypto1.0-1.0.2j-r0.apk
[INFO] [stderr] Updating files:  41% (75/182)
error: unable to write file iso/apks/x86_64/libcurl-7.50.3-r0.apk
[INFO] [stderr] error: unable to write file iso/apks/x86_64/libedit-20150325.3.1-r3.apk
[INFO] [stderr] Updating files:  42% (77/182)
error: unable to write file iso/apks/x86_64/libgcc-5.3.0-r0.apk
[INFO] [stderr] error: unable to write file iso/apks/x86_64/libgomp-5.3.0-r0.apk
[INFO] [stderr] Updating files:  43% (79/182)
error: unable to write file iso/apks/x86_64/libisoburn-1.4.4-r1.apk
[INFO] [stderr] error: unable to write file iso/apks/x86_64/libisofs-1.4.4-r0.apk
[INFO] [stderr] Updating files:  44% (81/182)
error: unable to write file iso/apks/x86_64/libmagic-5.27-r0.apk
[INFO] [stderr] Updating files:  45% (82/182)
error: unable to write file iso/apks/x86_64/libnl3-3.2.27-r0.apk
[INFO] [stderr] error: unable to write file iso/apks/x86_64/libssh2-1.7.0-r0.apk
[INFO] [stderr] Updating files:  46% (84/182)
error: unable to write file iso/apks/x86_64/libssl1.0-1.0.2h-r4.apk
[INFO] [stderr] error: unable to write file iso/apks/x86_64/libssl1.0-1.0.2j-r0.apk
[INFO] [stderr] Updating files:  47% (86/182)
error: unable to write file iso/apks/x86_64/libstdc++-5.3.0-r0.apk
[INFO] [stderr] error: unable to write file iso/apks/x86_64/libusb-1.0.20-r0.apk
[INFO] [stderr] Updating files:  48% (88/182)
error: unable to write file iso/apks/x86_64/libuuid-2.28-r3.apk
[INFO] [stderr] error: unable to write file iso/apks/x86_64/linux-firmware-20160516-r0.apk
[INFO] [stderr] Updating files:  49% (90/182)
Updating files:  50% (91/182)
Updating files:  51% (93/182)
Updating files:  52% (95/182)
Updating files:  53% (97/182)
Updating files:  54% (99/182)
Updating files:  55% (101/182)
Updating files:  56% (102/182)
Updating files:  57% (104/182)
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Updating files:  59% (108/182)
Updating files:  60% (110/182)
Updating files:  61% (112/182)
Updating files:  62% (113/182)
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Updating files:  66% (121/182)
Updating files:  67% (122/182)
Updating files:  68% (124/182)
Updating files:  69% (126/182)
Updating files:  70% (128/182)
Updating files:  71% (130/182)
Updating files:  72% (132/182)
Updating files:  73% (133/182)
Updating files:  74% (135/182)
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Updating files:  76% (139/182)
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Updating files:  78% (142/182)
Updating files:  79% (144/182)
Updating files:  80% (146/182)
Updating files:  81% (148/182)
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Updating files:  86% (157/182)
Updating files:  87% (159/182)
Updating files:  88% (161/182)
Updating files:  89% (162/182)
Updating files:  90% (164/182)
Updating files:  91% (166/182)
Updating files:  92% (168/182)
Updating files:  93% (170/182)
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Updating files:  96% (175/182)
Updating files:  97% (177/182)
Updating files:  98% (179/182)
Updating files:  99% (181/182)
Updating files: 100% (182/182)
Updating files: 100% (182/182), done.
[INFO] [stderr] fatal: unable to checkout working tree
[INFO] [stderr] warning: Clone succeeded, but checkout failed.
[INFO] [stderr] You can inspect what was checked out with 'git status'
[INFO] [stderr] and retry with 'git restore --source=HEAD :/'
[INFO] [stderr] 
[ERROR] this task or one of its parent failed!
[ERROR] failed to checkout https://github.com/zcash/mpc
[ERROR] caused by: command failed: exit status: 128
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
