[INFO] updating cached repository chocol4te/rubble-demo-nrf51
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/chocol4te/rubble-demo-nrf51
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/chocol4te/rubble-demo-nrf51" "work/ex/beta-1.38-1/sources/1.37.0/gh/chocol4te/rubble-demo-nrf51"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/chocol4te/rubble-demo-nrf51'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/chocol4te/rubble-demo-nrf51" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/chocol4te/rubble-demo-nrf51"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/chocol4te/rubble-demo-nrf51'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 002bde0de0556af3232690dc30f273c5e25f4461
[INFO] sha for GitHub repo chocol4te/rubble-demo-nrf51: 002bde0de0556af3232690dc30f273c5e25f4461
[INFO] validating manifest of chocol4te/rubble-demo-nrf51 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of chocol4te/rubble-demo-nrf51 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing chocol4te/rubble-demo-nrf51
[INFO] removed path dependency rubble from chocol4te/rubble-demo-nrf51
[INFO] removed path dependency rubble-nrf51 from chocol4te/rubble-demo-nrf51
[INFO] finished frobbing chocol4te/rubble-demo-nrf51
[INFO] frobbed toml for chocol4te/rubble-demo-nrf51 written to work/ex/beta-1.38-1/sources/1.37.0/gh/chocol4te/rubble-demo-nrf51/Cargo.toml
[INFO] started frobbing chocol4te/rubble-demo-nrf51
[INFO] removed path dependency rubble from chocol4te/rubble-demo-nrf51
[INFO] removed path dependency rubble-nrf51 from chocol4te/rubble-demo-nrf51
[INFO] finished frobbing chocol4te/rubble-demo-nrf51
[INFO] frobbed toml for chocol4te/rubble-demo-nrf51 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/chocol4te/rubble-demo-nrf51/Cargo.toml
[INFO] crate chocol4te/rubble-demo-nrf51 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: no matching package named `rubble-nrf51` found
[INFO] [stderr] location searched: registry `https://github.com/rust-lang/crates.io-index`
[INFO] [stderr] required by package `rubble-demo-nrf51 v0.0.0 (/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/chocol4te/rubble-demo-nrf51)`
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed