[INFO] updating cached repository ForsakenHarmony/rust-graphql-server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ForsakenHarmony/rust-graphql-server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ForsakenHarmony/rust-graphql-server" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/ForsakenHarmony/rust-graphql-server"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/ForsakenHarmony/rust-graphql-server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ForsakenHarmony/rust-graphql-server" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/ForsakenHarmony/rust-graphql-server"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/ForsakenHarmony/rust-graphql-server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bbb0f17e507c8f48df2e8cc876468861de9afbd7
[INFO] sha for GitHub repo ForsakenHarmony/rust-graphql-server: bbb0f17e507c8f48df2e8cc876468861de9afbd7
[INFO] validating manifest of ForsakenHarmony/rust-graphql-server 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 ForsakenHarmony/rust-graphql-server 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 ForsakenHarmony/rust-graphql-server
[INFO] finished frobbing ForsakenHarmony/rust-graphql-server
[INFO] frobbed toml for ForsakenHarmony/rust-graphql-server written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/ForsakenHarmony/rust-graphql-server/Cargo.toml
[INFO] started frobbing ForsakenHarmony/rust-graphql-server
[INFO] finished frobbing ForsakenHarmony/rust-graphql-server
[INFO] frobbed toml for ForsakenHarmony/rust-graphql-server written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/ForsakenHarmony/rust-graphql-server/Cargo.toml
[INFO] crate ForsakenHarmony/rust-graphql-server 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/ForsakenHarmony/juniper.git`
[INFO] [stderr] error: failed to load source for a dependency on `juniper`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Unable to update https://github.com/ForsakenHarmony/juniper.git#db6f823f
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   revspec 'db6f823fa7c025bab9c72dea9bb5e7b77de0c309' not found; class=Reference (4); code=NotFound (-3)
[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