[INFO] updating cached repository PlasmaPower/railroad
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/PlasmaPower/railroad
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/PlasmaPower/railroad" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/PlasmaPower/railroad"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/PlasmaPower/railroad'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/PlasmaPower/railroad" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/PlasmaPower/railroad"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/PlasmaPower/railroad'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 036c58c219e7b086347bf52eef6c30f20cd8c37c
[INFO] sha for GitHub repo PlasmaPower/railroad: 036c58c219e7b086347bf52eef6c30f20cd8c37c
[INFO] validating manifest of PlasmaPower/railroad 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 PlasmaPower/railroad 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 PlasmaPower/railroad
[INFO] removed workspace from PlasmaPower/railroad
[INFO] removed path dependency nanocurrency-peering from PlasmaPower/railroad
[INFO] removed path dependency nanocurrency-protocol from PlasmaPower/railroad
[INFO] removed path dependency nanocurrency-types from PlasmaPower/railroad
[INFO] finished frobbing PlasmaPower/railroad
[INFO] frobbed toml for PlasmaPower/railroad written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/PlasmaPower/railroad/Cargo.toml
[INFO] started frobbing PlasmaPower/railroad
[INFO] removed workspace from PlasmaPower/railroad
[INFO] removed path dependency nanocurrency-peering from PlasmaPower/railroad
[INFO] removed path dependency nanocurrency-protocol from PlasmaPower/railroad
[INFO] removed path dependency nanocurrency-types from PlasmaPower/railroad
[INFO] finished frobbing PlasmaPower/railroad
[INFO] frobbed toml for PlasmaPower/railroad written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/PlasmaPower/railroad/Cargo.toml
[INFO] crate PlasmaPower/railroad already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/PlasmaPower/railroad/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr] error: failed to select a version for the requirement `curve25519-dalek = "^0.20"`
[INFO] [stderr]   candidate versions found which didn't match: 1.2.1, 1.1.4, 1.1.3, ...
[INFO] [stderr]   location searched: crates.io index
[INFO] [stderr] required by package `ed25519-dalek v0.8.1`
[INFO] [stderr]     ... which is depended on by `railroad v0.1.0 (/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/PlasmaPower/railroad)`
[ERROR] this task or one of its parent failed!
[ERROR] overridden task result to broken:yanked
[ERROR] caused by: crate PlasmaPower/railroad depends on yanked crates
[ERROR]