[INFO] updating cached repository andrew-d/demuxrs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/andrew-d/demuxrs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/andrew-d/demuxrs" "work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/gh/andrew-d/demuxrs"`
[INFO] [stderr] Cloning into 'work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/gh/andrew-d/demuxrs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/andrew-d/demuxrs" "work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/gh/andrew-d/demuxrs"`
[INFO] [stderr] Cloning into 'work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/gh/andrew-d/demuxrs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e8bbe5a35b8b8acfea903289ca84dd2b9a7a957f
[INFO] sha for GitHub repo andrew-d/demuxrs: e8bbe5a35b8b8acfea903289ca84dd2b9a7a957f
[INFO] validating manifest of andrew-d/demuxrs 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 andrew-d/demuxrs 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 andrew-d/demuxrs
[INFO] finished frobbing andrew-d/demuxrs
[INFO] frobbed toml for andrew-d/demuxrs written to work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/gh/andrew-d/demuxrs/Cargo.toml
[INFO] started frobbing andrew-d/demuxrs
[INFO] finished frobbing andrew-d/demuxrs
[INFO] frobbed toml for andrew-d/demuxrs written to work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/gh/andrew-d/demuxrs/Cargo.toml
[INFO] crate andrew-d/demuxrs 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/dpc/mioco.git`
[INFO] [stderr] error: failed to load source for a dependency on `mioco`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Unable to update https://github.com/dpc/mioco.git?rev=ee5daa10c81dab07730b6e41b95faf9f6b8b0ad6#ee5daa10
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   revspec 'ee5daa10c81dab07730b6e41b95faf9f6b8b0ad6' 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