[INFO] updating cached repository ColinClark/llvm-sys-example [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/ColinClark/llvm-sys-example [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/ColinClark/llvm-sys-example" "work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/gh/ColinClark/llvm-sys-example"` [INFO] [stderr] Cloning into 'work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/gh/ColinClark/llvm-sys-example'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/ColinClark/llvm-sys-example" "work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/gh/ColinClark/llvm-sys-example"` [INFO] [stderr] Cloning into 'work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/gh/ColinClark/llvm-sys-example'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 68911988cdd09689f77e1700a2653efc09f68929 [INFO] sha for GitHub repo ColinClark/llvm-sys-example: 68911988cdd09689f77e1700a2653efc09f68929 [INFO] validating manifest of ColinClark/llvm-sys-example on toolchain master#2bde39b8edce6463e1c37f8a8082a875e7b536b1 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of ColinClark/llvm-sys-example on toolchain try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing ColinClark/llvm-sys-example [INFO] finished frobbing ColinClark/llvm-sys-example [INFO] frobbed toml for ColinClark/llvm-sys-example written to work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/gh/ColinClark/llvm-sys-example/Cargo.toml [INFO] started frobbing ColinClark/llvm-sys-example [INFO] finished frobbing ColinClark/llvm-sys-example [INFO] frobbed toml for ColinClark/llvm-sys-example written to work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/gh/ColinClark/llvm-sys-example/Cargo.toml [INFO] crate ColinClark/llvm-sys-example has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Updating git repository `https://github.com/TheDan64/inkwell` [INFO] [stderr] error: failed to load source for a dependency on `inkwell` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] Unable to update https://github.com/TheDan64/inkwell?branch=llvm6-0#5b38d98c [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] revspec '5b38d98c81e61b01836476d94ef0876242765732' 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" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed