[INFO] updating cached repository stallmanifold/thermite
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/stallmanifold/thermite
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/stallmanifold/thermite" "work/ex/clippy-test-run/sources/stable/gh/stallmanifold/thermite"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/stallmanifold/thermite'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/stallmanifold/thermite" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/stallmanifold/thermite"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/stallmanifold/thermite'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ec9216a95b307bb334728122ec45181cf7f01fc4
[INFO] sha for GitHub repo stallmanifold/thermite: ec9216a95b307bb334728122ec45181cf7f01fc4
[INFO] validating manifest of stallmanifold/thermite 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 stallmanifold/thermite 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 stallmanifold/thermite
[INFO] finished frobbing stallmanifold/thermite
[INFO] frobbed toml for stallmanifold/thermite written to work/ex/clippy-test-run/sources/stable/gh/stallmanifold/thermite/Cargo.toml
[INFO] started frobbing stallmanifold/thermite
[INFO] finished frobbing stallmanifold/thermite
[INFO] frobbed toml for stallmanifold/thermite written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/stallmanifold/thermite/Cargo.toml
[INFO] crate stallmanifold/thermite has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/stallmanifold/thermite/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