[INFO] updating cached repository ImageOptim/gifski
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ImageOptim/gifski
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ImageOptim/gifski" "work/ex/clippy-test-run/sources/stable/gh/ImageOptim/gifski"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/ImageOptim/gifski'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ImageOptim/gifski" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ImageOptim/gifski"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ImageOptim/gifski'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ce9a04e5291d9057a5bf0998ee54e0e38895a3f2
[INFO] sha for GitHub repo ImageOptim/gifski: ce9a04e5291d9057a5bf0998ee54e0e38895a3f2
[INFO] validating manifest of ImageOptim/gifski 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 ImageOptim/gifski 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 ImageOptim/gifski
[INFO] finished frobbing ImageOptim/gifski
[INFO] frobbed toml for ImageOptim/gifski written to work/ex/clippy-test-run/sources/stable/gh/ImageOptim/gifski/Cargo.toml
[INFO] started frobbing ImageOptim/gifski
[INFO] finished frobbing ImageOptim/gifski
[INFO] frobbed toml for ImageOptim/gifski written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ImageOptim/gifski/Cargo.toml
[INFO] crate ImageOptim/gifski has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating git repository `https://github.com/kornelski/rust-ffmpeg.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/meh/rust-ffmpeg-sys`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/ImageOptim/gifski/Cargo.lock needs to be updated but --locked was passed to prevent this
[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