[INFO] cloning repository Arnaz87/tera-test
[INFO] running `"git" "clone" "--bare" "git://github.com/Arnaz87/tera-test.git" "work/cache/sources/gh/Arnaz87/tera-test"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/Arnaz87/tera-test'...
[INFO] running `"git" "clone" "work/cache/sources/gh/Arnaz87/tera-test" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Arnaz87/tera-test"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Arnaz87/tera-test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Arnaz87/tera-test" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Arnaz87/tera-test"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Arnaz87/tera-test'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b1013342f905b11a555ce62e3f93a323bb5696ba
[INFO] sha for GitHub repo Arnaz87/tera-test: b1013342f905b11a555ce62e3f93a323bb5696ba
[INFO] validating manifest of Arnaz87/tera-test on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Arnaz87/tera-test on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Arnaz87/tera-test
[INFO] finished frobbing Arnaz87/tera-test
[INFO] frobbed toml for Arnaz87/tera-test written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Arnaz87/tera-test/Cargo.toml
[INFO] started frobbing Arnaz87/tera-test
[INFO] finished frobbing Arnaz87/tera-test
[INFO] frobbed toml for Arnaz87/tera-test written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Arnaz87/tera-test/Cargo.toml
[INFO] crate Arnaz87/tera-test already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating git repository `https://github.com/Keats/tera`
[INFO] [stderr] error: failed to load source for a dependency on `tera`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Unable to update https://github.com/Keats/tera?branch=v1#68dfeb5e
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   revspec '68dfeb5e770e72e55d087f37eac4bf4db1e99eaf' not found; class=Reference (4); code=NotFound (-3)
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed