[INFO] crate fujisaki_ringsig 0.0.3 is already in cache
[INFO] extracting crate fujisaki_ringsig 0.0.3 into work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/reg/fujisaki_ringsig/0.0.3
[INFO] extracting crate fujisaki_ringsig 0.0.3 into work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/reg/fujisaki_ringsig/0.0.3
[INFO] validating manifest of fujisaki_ringsig-0.0.3 on toolchain master#e2f221c75932de7a29845c8d6f1f73536ad00c41
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of fujisaki_ringsig-0.0.3 on toolchain try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing fujisaki_ringsig-0.0.3
[INFO] finished frobbing fujisaki_ringsig-0.0.3
[INFO] frobbed toml for fujisaki_ringsig-0.0.3 written to work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/reg/fujisaki_ringsig/0.0.3/Cargo.toml
[INFO] started frobbing fujisaki_ringsig-0.0.3
[INFO] finished frobbing fujisaki_ringsig-0.0.3
[INFO] frobbed toml for fujisaki_ringsig-0.0.3 written to work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/reg/fujisaki_ringsig/0.0.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr] error: failed to select a version for the requirement `curve25519-dalek = "^0.13"`
[INFO] [stderr]   candidate versions found which didn't match: 1.0.1, 0.21.0, 0.20.0, ...
[INFO] [stderr]   location searched: crates.io index
[INFO] [stderr] required by package `fujisaki_ringsig v0.0.3 (/mnt/big/crater/work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/reg/fujisaki_ringsig/0.0.3)`
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` failed