[INFO] updating cached repository brave-experiments/speedreader-rust-ffi
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/brave-experiments/speedreader-rust-ffi
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/brave-experiments/speedreader-rust-ffi" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/brave-experiments/speedreader-rust-ffi"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/brave-experiments/speedreader-rust-ffi'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/brave-experiments/speedreader-rust-ffi" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/brave-experiments/speedreader-rust-ffi"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/brave-experiments/speedreader-rust-ffi'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fd2bbe49b5dbb38c9af357fd42062e94678de299
[INFO] sha for GitHub repo brave-experiments/speedreader-rust-ffi: fd2bbe49b5dbb38c9af357fd42062e94678de299
[INFO] validating manifest of brave-experiments/speedreader-rust-ffi on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of brave-experiments/speedreader-rust-ffi on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing brave-experiments/speedreader-rust-ffi
[INFO] finished frobbing brave-experiments/speedreader-rust-ffi
[INFO] frobbed toml for brave-experiments/speedreader-rust-ffi written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/brave-experiments/speedreader-rust-ffi/Cargo.toml
[INFO] started frobbing brave-experiments/speedreader-rust-ffi
[INFO] finished frobbing brave-experiments/speedreader-rust-ffi
[INFO] frobbed toml for brave-experiments/speedreader-rust-ffi written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/brave-experiments/speedreader-rust-ffi/Cargo.toml
[INFO] crate brave-experiments/speedreader-rust-ffi already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating git repository `ssh://git@github.com/brave-experiments/SpeedReader.git`
[INFO] [stderr] error: failed to load source for a dependency on `speedreader`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Unable to update ssh://git@github.com/brave-experiments/SpeedReader.git#667c5a16
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to fetch into /mnt/big/crater/work/local/cargo-home/git/db/speedreader-8d82134cfd469f0e
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to authenticate when downloading repository
[INFO] [stderr] attempted ssh-agent authentication, but none of the usernames `git` succeeded
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   error authenticating: no auth sock variable; class=Ssh (23)
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed