[INFO] updating cached repository howeih/Day-42-Hamming-Code
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/howeih/Day-42-Hamming-Code
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/howeih/Day-42-Hamming-Code" "work/ex/clippy-test-run/sources/stable/gh/howeih/Day-42-Hamming-Code"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/howeih/Day-42-Hamming-Code'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/howeih/Day-42-Hamming-Code" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/howeih/Day-42-Hamming-Code"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/howeih/Day-42-Hamming-Code'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 63f134c0756871874561abb583135cfdeec5ba06
[INFO] sha for GitHub repo howeih/Day-42-Hamming-Code: 63f134c0756871874561abb583135cfdeec5ba06
[INFO] validating manifest of howeih/Day-42-Hamming-Code 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 howeih/Day-42-Hamming-Code 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 howeih/Day-42-Hamming-Code
[INFO] finished frobbing howeih/Day-42-Hamming-Code
[INFO] frobbed toml for howeih/Day-42-Hamming-Code written to work/ex/clippy-test-run/sources/stable/gh/howeih/Day-42-Hamming-Code/Cargo.toml
[INFO] started frobbing howeih/Day-42-Hamming-Code
[INFO] finished frobbing howeih/Day-42-Hamming-Code
[INFO] frobbed toml for howeih/Day-42-Hamming-Code written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/howeih/Day-42-Hamming-Code/Cargo.toml
[INFO] crate howeih/Day-42-Hamming-Code 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 howeih/Day-42-Hamming-Code against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/howeih/Day-42-Hamming-Code:/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] 78f511400c5f410a17904d9a957029b98267a3e2afa36563ad407601557a8131
[INFO] running `"docker" "start" "-a" "78f511400c5f410a17904d9a957029b98267a3e2afa36563ad407601557a8131"`
[INFO] [stderr]     Checking hammering_code v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the loop variable `x` is used to index `code`
[INFO] [stderr]   --> src/main.rs:19:14
[INFO] [stderr]    |
[INFO] [stderr] 19 |     for x in 0..n {
[INFO] [stderr]    |              ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 19 |     for (x, <item>) in code.iter().enumerate().take(n) {
[INFO] [stderr]    |         ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `code`
[INFO] [stderr]   --> src/main.rs:47:14
[INFO] [stderr]    |
[INFO] [stderr] 47 |     for i in 0..code.len() {
[INFO] [stderr]    |              ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 47 |     for (i, <item>) in code.iter().enumerate() {
[INFO] [stderr]    |         ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `x` is used to index `code`
[INFO] [stderr]   --> src/main.rs:19:14
[INFO] [stderr]    |
[INFO] [stderr] 19 |     for x in 0..n {
[INFO] [stderr]    |              ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 19 |     for (x, <item>) in code.iter().enumerate().take(n) {
[INFO] [stderr]    |         ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `code`
[INFO] [stderr]   --> src/main.rs:47:14
[INFO] [stderr]    |
[INFO] [stderr] 47 |     for i in 0..code.len() {
[INFO] [stderr]    |              ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 47 |     for (i, <item>) in code.iter().enumerate() {
[INFO] [stderr]    |         ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `"docker" "inspect" "78f511400c5f410a17904d9a957029b98267a3e2afa36563ad407601557a8131"`
[INFO] running `"docker" "rm" "-f" "78f511400c5f410a17904d9a957029b98267a3e2afa36563ad407601557a8131"`
[INFO] [stdout] 78f511400c5f410a17904d9a957029b98267a3e2afa36563ad407601557a8131