[INFO] updating cached repository robsaunders/rust-trailer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/robsaunders/rust-trailer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/robsaunders/rust-trailer" "work/ex/beta-1.38-1/sources/1.37.0/gh/robsaunders/rust-trailer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/robsaunders/rust-trailer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/robsaunders/rust-trailer" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/robsaunders/rust-trailer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/robsaunders/rust-trailer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fbf01c6fdd510b8d5de1a4490c321c641028deed
[INFO] sha for GitHub repo robsaunders/rust-trailer: fbf01c6fdd510b8d5de1a4490c321c641028deed
[INFO] validating manifest of robsaunders/rust-trailer 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 robsaunders/rust-trailer 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 robsaunders/rust-trailer
[INFO] removed workspace from robsaunders/rust-trailer
[INFO] finished frobbing robsaunders/rust-trailer
[INFO] frobbed toml for robsaunders/rust-trailer written to work/ex/beta-1.38-1/sources/1.37.0/gh/robsaunders/rust-trailer/Cargo.toml
[INFO] started frobbing robsaunders/rust-trailer
[INFO] removed workspace from robsaunders/rust-trailer
[INFO] finished frobbing robsaunders/rust-trailer
[INFO] frobbed toml for robsaunders/rust-trailer written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/robsaunders/rust-trailer/Cargo.toml
[INFO] crate robsaunders/rust-trailer 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] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/robsaunders/rust-trailer/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[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]     Updating git repository `https://github.com/robsaunders/binance-rs.git`
[INFO] [stderr]     Updating git repository `https://github.com/wisespace-io/bitfinex-rs.git`
[INFO] [stderr]     Updating git repository `https://github.com/robsaunders/bittrex-api.git`
[INFO] [stderr]     Updating git repository `https://github.com/robsaunders/kucoin-rs.git`
[INFO] [stderr] error: no matching package named `kucoin` found
[INFO] [stderr] location searched: https://github.com/robsaunders/kucoin-rs.git
[INFO] [stderr] required by package `trailer v0.1.0 (/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/robsaunders/rust-trailer)`
[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