[INFO] updating cached repository robbym/json-wsp-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/robbym/json-wsp-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/robbym/json-wsp-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/robbym/json-wsp-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/robbym/json-wsp-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/robbym/json-wsp-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/robbym/json-wsp-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/robbym/json-wsp-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f85f0a0dc0ea187714cc82c46f67e6e1670264cd
[INFO] sha for GitHub repo robbym/json-wsp-rs: f85f0a0dc0ea187714cc82c46f67e6e1670264cd
[INFO] validating manifest of robbym/json-wsp-rs 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 robbym/json-wsp-rs 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 robbym/json-wsp-rs
[INFO] removed path dependency wsp-methods-derive from robbym/json-wsp-rs
[INFO] removed path dependency wsp-type-derive from robbym/json-wsp-rs
[INFO] finished frobbing robbym/json-wsp-rs
[INFO] frobbed toml for robbym/json-wsp-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/robbym/json-wsp-rs/Cargo.toml
[INFO] started frobbing robbym/json-wsp-rs
[INFO] removed path dependency wsp-methods-derive from robbym/json-wsp-rs
[INFO] removed path dependency wsp-type-derive from robbym/json-wsp-rs
[INFO] finished frobbing robbym/json-wsp-rs
[INFO] frobbed toml for robbym/json-wsp-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/robbym/json-wsp-rs/Cargo.toml
[INFO] crate robbym/json-wsp-rs 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 `wsp-methods-derive` found
[INFO] [stderr] location searched: registry `https://github.com/rust-lang/crates.io-index`
[INFO] [stderr] required by package `json-wsp v0.1.0 (/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/robbym/json-wsp-rs)`
[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