[INFO] updating cached repository ewoudje/rros
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ewoudje/rros
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ewoudje/rros" "work/ex/clippy-test-run/sources/stable/gh/ewoudje/rros"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/ewoudje/rros'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ewoudje/rros" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ewoudje/rros"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ewoudje/rros'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 07ed4420ce3e29c2e52a9c4e6a47a95a60a4be29
[INFO] sha for GitHub repo ewoudje/rros: 07ed4420ce3e29c2e52a9c4e6a47a95a60a4be29
[INFO] validating manifest of ewoudje/rros 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 ewoudje/rros 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 ewoudje/rros
[INFO] finished frobbing ewoudje/rros
[INFO] frobbed toml for ewoudje/rros written to work/ex/clippy-test-run/sources/stable/gh/ewoudje/rros/Cargo.toml
[INFO] started frobbing ewoudje/rros
[INFO] finished frobbing ewoudje/rros
[INFO] frobbed toml for ewoudje/rros written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ewoudje/rros/Cargo.toml
[INFO] crate ewoudje/rros 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: unable to get packages from source
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse manifest at `/mnt/big/crater/work/local/cargo-home/registry/src/github.com-1ecc6299db9ec823/bootloader-0.3.7/Cargo.toml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   the cargo feature `publish-lockfile` requires a nightly version of Cargo, but this is the `stable` channel
[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