[INFO] updating cached repository rickyhan/cargo-web-bug
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rickyhan/cargo-web-bug
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rickyhan/cargo-web-bug" "work/ex/beta-1.38-1/sources/1.37.0/gh/rickyhan/cargo-web-bug"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/rickyhan/cargo-web-bug'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rickyhan/cargo-web-bug" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rickyhan/cargo-web-bug"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rickyhan/cargo-web-bug'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5af09369cb0017c46f2fc1a966b7c98a7267317a
[INFO] sha for GitHub repo rickyhan/cargo-web-bug: 5af09369cb0017c46f2fc1a966b7c98a7267317a
[INFO] validating manifest of rickyhan/cargo-web-bug 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 rickyhan/cargo-web-bug 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 rickyhan/cargo-web-bug
[INFO] finished frobbing rickyhan/cargo-web-bug
[INFO] frobbed toml for rickyhan/cargo-web-bug written to work/ex/beta-1.38-1/sources/1.37.0/gh/rickyhan/cargo-web-bug/Cargo.toml
[INFO] started frobbing rickyhan/cargo-web-bug
[INFO] finished frobbing rickyhan/cargo-web-bug
[INFO] frobbed toml for rickyhan/cargo-web-bug written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rickyhan/cargo-web-bug/Cargo.toml
[INFO] crate rickyhan/cargo-web-bug 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 git repository `https://github.com/RustPython/RustPython.git`
[INFO] [stderr] error: no matching package named `rustpython_vm` found
[INFO] [stderr] location searched: https://github.com/RustPython/RustPython.git
[INFO] [stderr] perhaps you meant: rustpython-vm, rustpython or rustpython_wasm
[INFO] [stderr] required by package `cargowebbug v0.1.0 (/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/rickyhan/cargo-web-bug)`
[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