[INFO] updating cached repository VratnamT/firecracker
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/VratnamT/firecracker
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/VratnamT/firecracker" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/VratnamT/firecracker"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/VratnamT/firecracker'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/VratnamT/firecracker" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/VratnamT/firecracker"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/VratnamT/firecracker'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6d1b6d438921ca9ba0f5081378ee38ad3ebb4a9e
[INFO] sha for GitHub repo VratnamT/firecracker: 6d1b6d438921ca9ba0f5081378ee38ad3ebb4a9e
[INFO] validating manifest of VratnamT/firecracker on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of VratnamT/firecracker on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing VratnamT/firecracker
[INFO] removed workspace from VratnamT/firecracker
[INFO] removed path dependency api_server from VratnamT/firecracker
[INFO] removed path dependency fc_util from VratnamT/firecracker
[INFO] removed path dependency jailer from VratnamT/firecracker
[INFO] removed path dependency logger from VratnamT/firecracker
[INFO] removed path dependency mmds from VratnamT/firecracker
[INFO] removed path dependency vmm from VratnamT/firecracker
[INFO] finished frobbing VratnamT/firecracker
[INFO] frobbed toml for VratnamT/firecracker written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/VratnamT/firecracker/Cargo.toml
[INFO] started frobbing VratnamT/firecracker
[INFO] removed workspace from VratnamT/firecracker
[INFO] removed path dependency api_server from VratnamT/firecracker
[INFO] removed path dependency fc_util from VratnamT/firecracker
[INFO] removed path dependency jailer from VratnamT/firecracker
[INFO] removed path dependency logger from VratnamT/firecracker
[INFO] removed path dependency mmds from VratnamT/firecracker
[INFO] removed path dependency vmm from VratnamT/firecracker
[INFO] finished frobbing VratnamT/firecracker
[INFO] frobbed toml for VratnamT/firecracker written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/VratnamT/firecracker/Cargo.toml
[INFO] crate VratnamT/firecracker has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on the registry index
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: no matching package named `api_server` found
[INFO] [stderr] location searched: registry `https://github.com/rust-lang/crates.io-index`
[INFO] [stderr] required by package `firecracker v0.11.0 (/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/VratnamT/firecracker)`
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed