[INFO] crate blindsign 0.0.6 is already in cache
[INFO] extracting crate blindsign 0.0.6 into work/ex/clippy-test-run/sources/stable/reg/blindsign/0.0.6
[INFO] extracting crate blindsign 0.0.6 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/blindsign/0.0.6
[INFO] validating manifest of blindsign-0.0.6 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 blindsign-0.0.6 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 blindsign-0.0.6
[INFO] finished frobbing blindsign-0.0.6
[INFO] frobbed toml for blindsign-0.0.6 written to work/ex/clippy-test-run/sources/stable/reg/blindsign/0.0.6/Cargo.toml
[INFO] started frobbing blindsign-0.0.6
[INFO] finished frobbing blindsign-0.0.6
[INFO] frobbed toml for blindsign-0.0.6 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/blindsign/0.0.6/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 = "^0.17"`
[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 `blindsign v0.0.6 (/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/blindsign/0.0.6)`
[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