[INFO] updating cached repository ratijas/mess-client
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ratijas/mess-client
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ratijas/mess-client" "work/ex/clippy-test-run/sources/stable/gh/ratijas/mess-client"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/ratijas/mess-client'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ratijas/mess-client" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ratijas/mess-client"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ratijas/mess-client'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9a3ff863ec37bc82d9124e324c9882b7bf177fac
[INFO] sha for GitHub repo ratijas/mess-client: 9a3ff863ec37bc82d9124e324c9882b7bf177fac
[INFO] validating manifest of ratijas/mess-client 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 ratijas/mess-client 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 ratijas/mess-client
[INFO] removed path dependency algos from ratijas/mess-client
[INFO] finished frobbing ratijas/mess-client
[INFO] frobbed toml for ratijas/mess-client written to work/ex/clippy-test-run/sources/stable/gh/ratijas/mess-client/Cargo.toml
[INFO] started frobbing ratijas/mess-client
[INFO] removed path dependency algos from ratijas/mess-client
[INFO] finished frobbing ratijas/mess-client
[INFO] frobbed toml for ratijas/mess-client written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ratijas/mess-client/Cargo.toml
[INFO] crate ratijas/mess-client 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 crates.io index
[INFO] [stderr]     Blocking waiting for file lock on the registry index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/ratijas/mess-client/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