[INFO] updating cached repository linkerd/linkerd2-proxy
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/linkerd/linkerd2-proxy
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/linkerd/linkerd2-proxy" "work/ex/beta-1.38-1/sources/1.37.0/gh/linkerd/linkerd2-proxy"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/linkerd/linkerd2-proxy'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/linkerd/linkerd2-proxy" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/linkerd/linkerd2-proxy"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/linkerd/linkerd2-proxy'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 52eefa45c481cd68eff8f6785ea8eb8b47c0569b
[INFO] sha for GitHub repo linkerd/linkerd2-proxy: 52eefa45c481cd68eff8f6785ea8eb8b47c0569b
[INFO] validating manifest of linkerd/linkerd2-proxy 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 linkerd/linkerd2-proxy 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 linkerd/linkerd2-proxy
[INFO] removed workspace from linkerd/linkerd2-proxy
[INFO] removed path dependency futures-mpsc-lossy from linkerd/linkerd2-proxy
[INFO] removed path dependency hyper-balance from linkerd/linkerd2-proxy
[INFO] removed path dependency linkerd2-metrics from linkerd/linkerd2-proxy
[INFO] removed path dependency linkerd2-never from linkerd/linkerd2-proxy
[INFO] removed path dependency linkerd2-router from linkerd/linkerd2-proxy
[INFO] removed path dependency linkerd2-stack from linkerd/linkerd2-proxy
[INFO] removed path dependency linkerd2-task from linkerd/linkerd2-proxy
[INFO] removed path dependency linkerd2-timeout from linkerd/linkerd2-proxy
[INFO] removed path dependency linkerd2-metrics from linkerd/linkerd2-proxy
[INFO] removed path dependency linkerd2-task from linkerd/linkerd2-proxy
[INFO] finished frobbing linkerd/linkerd2-proxy
[INFO] frobbed toml for linkerd/linkerd2-proxy written to work/ex/beta-1.38-1/sources/1.37.0/gh/linkerd/linkerd2-proxy/Cargo.toml
[INFO] started frobbing linkerd/linkerd2-proxy
[INFO] removed workspace from linkerd/linkerd2-proxy
[INFO] removed path dependency futures-mpsc-lossy from linkerd/linkerd2-proxy
[INFO] removed path dependency hyper-balance from linkerd/linkerd2-proxy
[INFO] removed path dependency linkerd2-metrics from linkerd/linkerd2-proxy
[INFO] removed path dependency linkerd2-never from linkerd/linkerd2-proxy
[INFO] removed path dependency linkerd2-router from linkerd/linkerd2-proxy
[INFO] removed path dependency linkerd2-stack from linkerd/linkerd2-proxy
[INFO] removed path dependency linkerd2-task from linkerd/linkerd2-proxy
[INFO] removed path dependency linkerd2-timeout from linkerd/linkerd2-proxy
[INFO] removed path dependency linkerd2-metrics from linkerd/linkerd2-proxy
[INFO] removed path dependency linkerd2-task from linkerd/linkerd2-proxy
[INFO] finished frobbing linkerd/linkerd2-proxy
[INFO] frobbed toml for linkerd/linkerd2-proxy written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/linkerd/linkerd2-proxy/Cargo.toml
[INFO] crate linkerd/linkerd2-proxy 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 `futures-mpsc-lossy` found
[INFO] [stderr] location searched: registry `https://github.com/rust-lang/crates.io-index`
[INFO] [stderr] required by package `linkerd2-proxy v0.1.0 (/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/linkerd/linkerd2-proxy)`
[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