[INFO] updating cached repository MichJadams/rustFibbo
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/MichJadams/rustFibbo
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/MichJadams/rustFibbo" "work/ex/clippy-test-run/sources/stable/gh/MichJadams/rustFibbo"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/MichJadams/rustFibbo'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/MichJadams/rustFibbo" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/MichJadams/rustFibbo"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/MichJadams/rustFibbo'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 97c7bbd73acf48dab40d515615026a60422811c7
[INFO] sha for GitHub repo MichJadams/rustFibbo: 97c7bbd73acf48dab40d515615026a60422811c7
[INFO] validating manifest of MichJadams/rustFibbo 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 MichJadams/rustFibbo 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 MichJadams/rustFibbo
[INFO] finished frobbing MichJadams/rustFibbo
[INFO] frobbed toml for MichJadams/rustFibbo written to work/ex/clippy-test-run/sources/stable/gh/MichJadams/rustFibbo/Cargo.toml
[INFO] started frobbing MichJadams/rustFibbo
[INFO] finished frobbing MichJadams/rustFibbo
[INFO] frobbed toml for MichJadams/rustFibbo written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/MichJadams/rustFibbo/Cargo.toml
[INFO] crate MichJadams/rustFibbo 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 MichJadams/rustFibbo against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/MichJadams/rustFibbo:/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] ad4b17fbde0e39170bd50e6ea11edbec06e1c2a2c48b36c0151d71e785ff2dc7
[INFO] running `"docker" "start" "-a" "ad4b17fbde0e39170bd50e6ea11edbec06e1c2a2c48b36c0151d71e785ff2dc7"`
[INFO] [stderr]     Checking hello_cargo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]  --> src/lib.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     return a+b
[INFO] [stderr]   |     ^^^^^^^^^^ help: remove `return` as shown: `a+b`
[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:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     return CString::new(f_n.to_string()).unwrap().into_raw();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `CString::new(f_n.to_string()).unwrap().into_raw()`
[INFO] [stderr]    |
[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:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     return a+b
[INFO] [stderr]   |     ^^^^^^^^^^ help: remove `return` as shown: `a+b`
[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:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     return CString::new(f_n.to_string()).unwrap().into_raw();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `CString::new(f_n.to_string()).unwrap().into_raw()`
[INFO] [stderr]    |
[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 0.91s
[INFO] running `"docker" "inspect" "ad4b17fbde0e39170bd50e6ea11edbec06e1c2a2c48b36c0151d71e785ff2dc7"`
[INFO] running `"docker" "rm" "-f" "ad4b17fbde0e39170bd50e6ea11edbec06e1c2a2c48b36c0151d71e785ff2dc7"`
[INFO] [stdout] ad4b17fbde0e39170bd50e6ea11edbec06e1c2a2c48b36c0151d71e785ff2dc7