[INFO] updating cached repository emilio/toy-ray-tracer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/emilio/toy-ray-tracer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/emilio/toy-ray-tracer" "work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/emilio/toy-ray-tracer"`
[INFO] [stderr] Cloning into 'work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/emilio/toy-ray-tracer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/emilio/toy-ray-tracer" "work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/emilio/toy-ray-tracer"`
[INFO] [stderr] Cloning into 'work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/emilio/toy-ray-tracer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bc2011292a63103ca6c361fdf970d01af2a1b672
[INFO] sha for GitHub repo emilio/toy-ray-tracer: bc2011292a63103ca6c361fdf970d01af2a1b672
[INFO] validating manifest of emilio/toy-ray-tracer on toolchain master#6ecad338381cc3b8d56e2df22e5971a598eddd6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of emilio/toy-ray-tracer on toolchain try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f789154f114767b2d0cb9c5b6c592cb3a635e6f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing emilio/toy-ray-tracer
[INFO] removed workspace from emilio/toy-ray-tracer
[INFO] removed path dependency tracer from emilio/toy-ray-tracer
[INFO] finished frobbing emilio/toy-ray-tracer
[INFO] frobbed toml for emilio/toy-ray-tracer written to work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/emilio/toy-ray-tracer/Cargo.toml
[INFO] started frobbing emilio/toy-ray-tracer
[INFO] removed workspace from emilio/toy-ray-tracer
[INFO] removed path dependency tracer from emilio/toy-ray-tracer
[INFO] finished frobbing emilio/toy-ray-tracer
[INFO] frobbed toml for emilio/toy-ray-tracer written to work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/emilio/toy-ray-tracer/Cargo.toml
[INFO] crate emilio/toy-ray-tracer has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: no matching package named `tracer` found
[INFO] [stderr] location searched: registry `https://github.com/rust-lang/crates.io-index`
[INFO] [stderr] required by package `ray-tracer v0.1.0 (/mnt/big/crater/work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/emilio/toy-ray-tracer)`
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed