[INFO] updating cached repository pavel-mukhanov/sandbox
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pavel-mukhanov/sandbox
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pavel-mukhanov/sandbox" "work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/pavel-mukhanov/sandbox"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/pavel-mukhanov/sandbox'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pavel-mukhanov/sandbox" "work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/pavel-mukhanov/sandbox"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/pavel-mukhanov/sandbox'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a34e265c1b9dc2d5fd1f46c18101f208872dd2ed
[INFO] sha for GitHub repo pavel-mukhanov/sandbox: a34e265c1b9dc2d5fd1f46c18101f208872dd2ed
[INFO] validating manifest of pavel-mukhanov/sandbox on toolchain master#1891bfa80364eead426517c68de6947b7692e2de
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of pavel-mukhanov/sandbox on toolchain try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing pavel-mukhanov/sandbox
[INFO] removed path dependency external from pavel-mukhanov/sandbox
[INFO] finished frobbing pavel-mukhanov/sandbox
[INFO] frobbed toml for pavel-mukhanov/sandbox written to work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/pavel-mukhanov/sandbox/Cargo.toml
[INFO] started frobbing pavel-mukhanov/sandbox
[INFO] removed path dependency external from pavel-mukhanov/sandbox
[INFO] finished frobbing pavel-mukhanov/sandbox
[INFO] frobbed toml for pavel-mukhanov/sandbox written to work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/pavel-mukhanov/sandbox/Cargo.toml
[INFO] crate pavel-mukhanov/sandbox already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-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 `external` found
[INFO] [stderr] location searched: registry `https://github.com/rust-lang/crates.io-index`
[INFO] [stderr] required by package `sandbox v0.1.0 (/mnt/big/crater/work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/pavel-mukhanov/sandbox)`
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed