[INFO] updating cached repository apoelstra/scriptpubkey-checker
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/apoelstra/scriptpubkey-checker
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/apoelstra/scriptpubkey-checker" "work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/apoelstra/scriptpubkey-checker"`
[INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/apoelstra/scriptpubkey-checker'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/apoelstra/scriptpubkey-checker" "work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/apoelstra/scriptpubkey-checker"`
[INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/apoelstra/scriptpubkey-checker'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 959bd985167bdb5d972528a70c22ccebb63264e6
[INFO] sha for GitHub repo apoelstra/scriptpubkey-checker: 959bd985167bdb5d972528a70c22ccebb63264e6
[INFO] validating manifest of apoelstra/scriptpubkey-checker on toolchain master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of apoelstra/scriptpubkey-checker on toolchain try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing apoelstra/scriptpubkey-checker
[INFO] finished frobbing apoelstra/scriptpubkey-checker
[INFO] frobbed toml for apoelstra/scriptpubkey-checker written to work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/apoelstra/scriptpubkey-checker/Cargo.toml
[INFO] started frobbing apoelstra/scriptpubkey-checker
[INFO] finished frobbing apoelstra/scriptpubkey-checker
[INFO] frobbed toml for apoelstra/scriptpubkey-checker written to work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/apoelstra/scriptpubkey-checker/Cargo.toml
[INFO] crate apoelstra/scriptpubkey-checker already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: failed to load source for a dependency on `zmq`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Unable to update https://github.com/erickt/rust-zmq.git#e3fa6192
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse manifest at `/mnt/big/crater/work/local/cargo-home/git/checkouts/rust-zmq-171537f0d9cec03c/e3fa619/Cargo.toml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   invalid type: map, expected a string for key `lib`
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed