[INFO] crate sphinxcrypto 0.0.19 is already in cache
[INFO] extracting crate sphinxcrypto 0.0.19 into work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/sphinxcrypto/0.0.19
[INFO] extracting crate sphinxcrypto 0.0.19 into work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/sphinxcrypto/0.0.19
[INFO] validating manifest of sphinxcrypto-0.0.19 on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sphinxcrypto-0.0.19 on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sphinxcrypto-0.0.19
[INFO] finished frobbing sphinxcrypto-0.0.19
[INFO] frobbed toml for sphinxcrypto-0.0.19 written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/sphinxcrypto/0.0.19/Cargo.toml
[INFO] started frobbing sphinxcrypto-0.0.19
[INFO] finished frobbing sphinxcrypto-0.0.19
[INFO] frobbed toml for sphinxcrypto-0.0.19 written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/sphinxcrypto/0.0.19/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr] error: no matching package named `blake2b` found
[INFO] [stderr] location searched: registry `https://github.com/rust-lang/crates.io-index`
[INFO] [stderr] required by package `sphinxcrypto v0.0.19 (/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/sphinxcrypto/0.0.19)`
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` failed