[INFO] updating cached repository wusphinx/rust-practice
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/wusphinx/rust-practice
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/wusphinx/rust-practice" "work/ex/clippy-test-run/sources/stable/gh/wusphinx/rust-practice"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/wusphinx/rust-practice'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wusphinx/rust-practice" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/wusphinx/rust-practice"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/wusphinx/rust-practice'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a241fc0777d141992a2035ebf086c1409d7a1fcb
[INFO] sha for GitHub repo wusphinx/rust-practice: a241fc0777d141992a2035ebf086c1409d7a1fcb
[INFO] validating manifest of wusphinx/rust-practice 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 wusphinx/rust-practice 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 wusphinx/rust-practice
[INFO] finished frobbing wusphinx/rust-practice
[INFO] frobbed toml for wusphinx/rust-practice written to work/ex/clippy-test-run/sources/stable/gh/wusphinx/rust-practice/Cargo.toml
[INFO] started frobbing wusphinx/rust-practice
[INFO] finished frobbing wusphinx/rust-practice
[INFO] frobbed toml for wusphinx/rust-practice written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/wusphinx/rust-practice/Cargo.toml
[INFO] crate wusphinx/rust-practice has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting wusphinx/rust-practice against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/wusphinx/rust-practice:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8356dc1df9a93008a2dd0d4c2fdc7739e091d7a9c1230b7df1bc4c8d0a5f79c2
[INFO] running `"docker" "start" "-a" "8356dc1df9a93008a2dd0d4c2fdc7739e091d7a9c1230b7df1bc4c8d0a5f79c2"`
[INFO] [stderr]     Checking rust-practice v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]  --> src/lib.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     return fibonacci(x-1) + fibonacci(x-2)
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `fibonacci(x-1) + fibonacci(x-2)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]  --> src/lib.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     return fibonacci(x-1) + fibonacci(x-2)
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `fibonacci(x-1) + fibonacci(x-2)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `"docker" "inspect" "8356dc1df9a93008a2dd0d4c2fdc7739e091d7a9c1230b7df1bc4c8d0a5f79c2"`
[INFO] running `"docker" "rm" "-f" "8356dc1df9a93008a2dd0d4c2fdc7739e091d7a9c1230b7df1bc4c8d0a5f79c2"`
[INFO] [stdout] 8356dc1df9a93008a2dd0d4c2fdc7739e091d7a9c1230b7df1bc4c8d0a5f79c2