[INFO] updating cached repository RisingStack/node-with-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/RisingStack/node-with-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/RisingStack/node-with-rust" "work/ex/clippy-test-run/sources/stable/gh/RisingStack/node-with-rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/RisingStack/node-with-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/RisingStack/node-with-rust" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/RisingStack/node-with-rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/RisingStack/node-with-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] eefd1397a83b18182a73607ad4dece19cc308d5c
[INFO] sha for GitHub repo RisingStack/node-with-rust: eefd1397a83b18182a73607ad4dece19cc308d5c
[INFO] validating manifest of RisingStack/node-with-rust 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 RisingStack/node-with-rust 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 RisingStack/node-with-rust
[INFO] finished frobbing RisingStack/node-with-rust
[INFO] frobbed toml for RisingStack/node-with-rust written to work/ex/clippy-test-run/sources/stable/gh/RisingStack/node-with-rust/Cargo.toml
[INFO] started frobbing RisingStack/node-with-rust
[INFO] finished frobbing RisingStack/node-with-rust
[INFO] frobbed toml for RisingStack/node-with-rust written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/RisingStack/node-with-rust/Cargo.toml
[INFO] crate RisingStack/node-with-rust 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 RisingStack/node-with-rust against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/RisingStack/node-with-rust:/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 -Dclippy::into_iter_on_array" "-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] da291992315c50a316f4871126cfdad3b8cddbbedf1305196ea848286bca37ec
[INFO] running `"docker" "start" "-a" "da291992315c50a316f4871126cfdad3b8cddbbedf1305196ea848286bca37ec"`
[INFO] [stderr] warning: path `/opt/crater/workdir/src/embed.rs` was erroneously implicitly accepted for library `embed`,
[INFO] [stderr] please rename the file to `src/lib.rs` or set lib.path in Cargo.toml
[INFO] [stderr]     Checking hello_node v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]  --> src/embed.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     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/embed.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     return 1;
[INFO] [stderr]    |     ^^^^^^^^^ help: remove `return` as shown: `1`
[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/embed.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     return fibonacci(x - 1) + fibonacci(x - 2);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `fibonacci(x - 1) + fibonacci(x - 2)`
[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/embed.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     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/embed.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     return 1;
[INFO] [stderr]    |     ^^^^^^^^^ help: remove `return` as shown: `1`
[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/embed.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     return fibonacci(x - 1) + fibonacci(x - 2);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `fibonacci(x - 1) + fibonacci(x - 2)`
[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 0.62s
[INFO] running `"docker" "inspect" "da291992315c50a316f4871126cfdad3b8cddbbedf1305196ea848286bca37ec"`
[INFO] running `"docker" "rm" "-f" "da291992315c50a316f4871126cfdad3b8cddbbedf1305196ea848286bca37ec"`
[INFO] [stdout] da291992315c50a316f4871126cfdad3b8cddbbedf1305196ea848286bca37ec