[INFO] cloning repository lae/metrics_aggregate
[INFO] running `"git" "clone" "--bare" "git://github.com/lae/metrics_aggregate.git" "work/cache/sources/gh/lae/metrics_aggregate"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/lae/metrics_aggregate'...
[INFO] running `"git" "clone" "work/cache/sources/gh/lae/metrics_aggregate" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/lae/metrics_aggregate"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/lae/metrics_aggregate'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lae/metrics_aggregate" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/lae/metrics_aggregate"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/lae/metrics_aggregate'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] eb8d50efde28a20783f1e380db03821b066b43d7
[INFO] sha for GitHub repo lae/metrics_aggregate: eb8d50efde28a20783f1e380db03821b066b43d7
[INFO] validating manifest of lae/metrics_aggregate 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 lae/metrics_aggregate 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 lae/metrics_aggregate
[INFO] finished frobbing lae/metrics_aggregate
[INFO] frobbed toml for lae/metrics_aggregate written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/lae/metrics_aggregate/Cargo.toml
[INFO] started frobbing lae/metrics_aggregate
[INFO] finished frobbing lae/metrics_aggregate
[INFO] frobbed toml for lae/metrics_aggregate written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/lae/metrics_aggregate/Cargo.toml
[INFO] crate lae/metrics_aggregate 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 crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/hashmismatch/core_mini_http.rs`
[INFO] [stderr] error: failed to load source for a dependency on `core_mini_http`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Unable to update https://github.com/hashmismatch/core_mini_http.rs#856494db
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to clone into: /mnt/big/ec2-user/crater/work/local/cargo-home/git/db/core_mini_http.rs-f47c51f339eb40a0
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to authenticate when downloading repository
[INFO] [stderr] attempted to find username/password via git's `credential.helper` support, but failed
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to acquire username/password from local configuration
[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