[INFO] updating cached repository Lynss/rust-study
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Lynss/rust-study
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Lynss/rust-study" "work/ex/beta-1.38-1/sources/1.37.0/gh/Lynss/rust-study"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Lynss/rust-study'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Lynss/rust-study" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Lynss/rust-study"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Lynss/rust-study'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b1ded013c55aace81fec0486e153a316f550338f
[INFO] sha for GitHub repo Lynss/rust-study: b1ded013c55aace81fec0486e153a316f550338f
[INFO] validating manifest of Lynss/rust-study 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 Lynss/rust-study 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 Lynss/rust-study
[INFO] removed path dependency hello_macro from Lynss/rust-study
[INFO] removed path dependency hello_macro_derive from Lynss/rust-study
[INFO] finished frobbing Lynss/rust-study
[INFO] frobbed toml for Lynss/rust-study written to work/ex/beta-1.38-1/sources/1.37.0/gh/Lynss/rust-study/Cargo.toml
[INFO] started frobbing Lynss/rust-study
[INFO] removed path dependency hello_macro from Lynss/rust-study
[INFO] removed path dependency hello_macro_derive from Lynss/rust-study
[INFO] finished frobbing Lynss/rust-study
[INFO] frobbed toml for Lynss/rust-study written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Lynss/rust-study/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr] error: no matching package named `hello_macro` found
[INFO] [stderr] location searched: registry `https://github.com/rust-lang/crates.io-index`
[INFO] [stderr] required by package `rust-study v0.1.0 (/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Lynss/rust-study)`
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` failed