[INFO] updating cached repository piano7/ecc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/piano7/ecc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/piano7/ecc" "work/ex/beta-1.38-1/sources/1.37.0/gh/piano7/ecc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/piano7/ecc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/piano7/ecc" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/piano7/ecc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/piano7/ecc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6d40f974bc7aafd538c073951d92a635c293d36b
[INFO] sha for GitHub repo piano7/ecc: 6d40f974bc7aafd538c073951d92a635c293d36b
[INFO] validating manifest of piano7/ecc 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 piano7/ecc 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 piano7/ecc
[INFO] removed workspace from piano7/ecc
[INFO] removed path dependency chain from piano7/ecc
[INFO] removed path dependency db from piano7/ecc
[INFO] removed path dependency import from piano7/ecc
[INFO] removed path dependency keys from piano7/ecc
[INFO] removed path dependency logs from piano7/ecc
[INFO] removed path dependency message from piano7/ecc
[INFO] removed path dependency miner from piano7/ecc
[INFO] removed path dependency network from piano7/ecc
[INFO] removed path dependency p2p from piano7/ecc
[INFO] removed path dependency primitives from piano7/ecc
[INFO] removed path dependency rpc from piano7/ecc
[INFO] removed path dependency script from piano7/ecc
[INFO] removed path dependency sync from piano7/ecc
[INFO] removed path dependency verification from piano7/ecc
[INFO] finished frobbing piano7/ecc
[INFO] frobbed toml for piano7/ecc written to work/ex/beta-1.38-1/sources/1.37.0/gh/piano7/ecc/Cargo.toml
[INFO] started frobbing piano7/ecc
[INFO] removed workspace from piano7/ecc
[INFO] removed path dependency chain from piano7/ecc
[INFO] removed path dependency db from piano7/ecc
[INFO] removed path dependency import from piano7/ecc
[INFO] removed path dependency keys from piano7/ecc
[INFO] removed path dependency logs from piano7/ecc
[INFO] removed path dependency message from piano7/ecc
[INFO] removed path dependency miner from piano7/ecc
[INFO] removed path dependency network from piano7/ecc
[INFO] removed path dependency p2p from piano7/ecc
[INFO] removed path dependency primitives from piano7/ecc
[INFO] removed path dependency rpc from piano7/ecc
[INFO] removed path dependency script from piano7/ecc
[INFO] removed path dependency sync from piano7/ecc
[INFO] removed path dependency verification from piano7/ecc
[INFO] finished frobbing piano7/ecc
[INFO] frobbed toml for piano7/ecc written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/piano7/ecc/Cargo.toml
[INFO] crate piano7/ecc 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 `import` found
[INFO] [stderr] location searched: registry `https://github.com/rust-lang/crates.io-index`
[INFO] [stderr] required by package `pbtc v0.1.0 (/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/piano7/ecc)`
[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