[INFO] updating cached repository AspenJames/nth_fibonacci_number
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/AspenJames/nth_fibonacci_number
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/AspenJames/nth_fibonacci_number" "work/ex/clippy-test-run/sources/stable/gh/AspenJames/nth_fibonacci_number"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/AspenJames/nth_fibonacci_number'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AspenJames/nth_fibonacci_number" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/AspenJames/nth_fibonacci_number"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/AspenJames/nth_fibonacci_number'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bad31eecfa097bca7c0d03c03c2b2c512a6dbe46
[INFO] sha for GitHub repo AspenJames/nth_fibonacci_number: bad31eecfa097bca7c0d03c03c2b2c512a6dbe46
[INFO] validating manifest of AspenJames/nth_fibonacci_number 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 AspenJames/nth_fibonacci_number 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 AspenJames/nth_fibonacci_number
[INFO] finished frobbing AspenJames/nth_fibonacci_number
[INFO] frobbed toml for AspenJames/nth_fibonacci_number written to work/ex/clippy-test-run/sources/stable/gh/AspenJames/nth_fibonacci_number/Cargo.toml
[INFO] started frobbing AspenJames/nth_fibonacci_number
[INFO] finished frobbing AspenJames/nth_fibonacci_number
[INFO] frobbed toml for AspenJames/nth_fibonacci_number written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/AspenJames/nth_fibonacci_number/Cargo.toml
[INFO] crate AspenJames/nth_fibonacci_number 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 AspenJames/nth_fibonacci_number 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/AspenJames/nth_fibonacci_number:/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] dddf51f7f0584c23c7c6922cfdd10188bc9d05b98def362afd52e8534880d2d7
[INFO] running `"docker" "start" "-a" "dddf51f7f0584c23c7c6922cfdd10188bc9d05b98def362afd52e8534880d2d7"`
[INFO] [stderr]     Checking nth_fibonacci_number v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/main.rs:32:24
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn generate_fib_num(n: &u32) -> u32 {
[INFO] [stderr]    |                        ^^^^ help: consider passing by value instead: `u32`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/main.rs:32:24
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn generate_fib_num(n: &u32) -> u32 {
[INFO] [stderr]    |                        ^^^^ help: consider passing by value instead: `u32`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `"docker" "inspect" "dddf51f7f0584c23c7c6922cfdd10188bc9d05b98def362afd52e8534880d2d7"`
[INFO] running `"docker" "rm" "-f" "dddf51f7f0584c23c7c6922cfdd10188bc9d05b98def362afd52e8534880d2d7"`
[INFO] [stdout] dddf51f7f0584c23c7c6922cfdd10188bc9d05b98def362afd52e8534880d2d7