[INFO] updating cached repository woodgear/websockify-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/woodgear/websockify-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/woodgear/websockify-rs" "work/ex/clippy-test-run/sources/stable/gh/woodgear/websockify-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/woodgear/websockify-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/woodgear/websockify-rs" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/woodgear/websockify-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/woodgear/websockify-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9e63d24a2c2e800bb361a1e3557ff15d7144f5f8
[INFO] sha for GitHub repo woodgear/websockify-rs: 9e63d24a2c2e800bb361a1e3557ff15d7144f5f8
[INFO] validating manifest of woodgear/websockify-rs 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 woodgear/websockify-rs 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 woodgear/websockify-rs
[INFO] removed path dependency websocket from woodgear/websockify-rs
[INFO] finished frobbing woodgear/websockify-rs
[INFO] frobbed toml for woodgear/websockify-rs written to work/ex/clippy-test-run/sources/stable/gh/woodgear/websockify-rs/Cargo.toml
[INFO] started frobbing woodgear/websockify-rs
[INFO] removed path dependency websocket from woodgear/websockify-rs
[INFO] finished frobbing woodgear/websockify-rs
[INFO] frobbed toml for woodgear/websockify-rs written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/woodgear/websockify-rs/Cargo.toml
[INFO] crate woodgear/websockify-rs has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on the registry index
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for the requirement `futures = "^0.2.0"`
[INFO] [stderr]   candidate versions found which didn't match: 0.1.25, 0.1.24, 0.1.23, ...
[INFO] [stderr]   location searched: crates.io index
[INFO] [stderr] required by package `websockify v0.1.0 (/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/woodgear/websockify-rs)`
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed