[INFO] crate yobicrypto 0.2.5 is already in cache
[INFO] extracting crate yobicrypto 0.2.5 into work/ex/clippy-test-run/sources/stable/reg/yobicrypto/0.2.5
[INFO] extracting crate yobicrypto 0.2.5 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/yobicrypto/0.2.5
[INFO] validating manifest of yobicrypto-0.2.5 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of yobicrypto-0.2.5 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing yobicrypto-0.2.5
[INFO] finished frobbing yobicrypto-0.2.5
[INFO] frobbed toml for yobicrypto-0.2.5 written to work/ex/clippy-test-run/sources/stable/reg/yobicrypto/0.2.5/Cargo.toml
[INFO] started frobbing yobicrypto-0.2.5
[INFO] finished frobbing yobicrypto-0.2.5
[INFO] frobbed toml for yobicrypto-0.2.5 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/yobicrypto/0.2.5/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr] error: failed to select a version for the requirement `curve25519-dalek = "^0.14"`
[INFO] [stderr]   candidate versions found which didn't match: 1.0.3, 1.0.2, 1.0.1, ...
[INFO] [stderr]   location searched: crates.io index
[INFO] [stderr] required by package `yobicrypto v0.2.5 (/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/yobicrypto/0.2.5)`
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` failed