[INFO] updating cached repository YujinGaya/euler-by-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/YujinGaya/euler-by-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/YujinGaya/euler-by-rust" "work/ex/clippy-test-run/sources/stable/gh/YujinGaya/euler-by-rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/YujinGaya/euler-by-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/YujinGaya/euler-by-rust" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/YujinGaya/euler-by-rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/YujinGaya/euler-by-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bf2662f5769500d82315b5462622972c101b5d13
[INFO] sha for GitHub repo YujinGaya/euler-by-rust: bf2662f5769500d82315b5462622972c101b5d13
[INFO] validating manifest of YujinGaya/euler-by-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 YujinGaya/euler-by-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 YujinGaya/euler-by-rust
[INFO] finished frobbing YujinGaya/euler-by-rust
[INFO] frobbed toml for YujinGaya/euler-by-rust written to work/ex/clippy-test-run/sources/stable/gh/YujinGaya/euler-by-rust/Cargo.toml
[INFO] started frobbing YujinGaya/euler-by-rust
[INFO] finished frobbing YujinGaya/euler-by-rust
[INFO] frobbed toml for YujinGaya/euler-by-rust written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/YujinGaya/euler-by-rust/Cargo.toml
[INFO] crate YujinGaya/euler-by-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 YujinGaya/euler-by-rust against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/YujinGaya/euler-by-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" "-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] b1c202e11088cfc82603212a8074944af7a7cd063c22586956f691258a751b4d
[INFO] running `"docker" "start" "-a" "b1c202e11088cfc82603212a8074944af7a7cd063c22586956f691258a751b4d"`
[INFO] [stderr]     Checking euler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]  --> src/problems/largest_prime_factor.rs:8:7
[INFO] [stderr]   |
[INFO] [stderr] 8 |       n = n / d;
[INFO] [stderr]   |       ^^^^^^^^^ help: replace it with: `n /= d`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: called `skip(x).next()` on an iterator. This is more succinctly expressed by calling `nth(x)`
[INFO] [stderr]   --> src/problems/ten_thousand_first_prime.rs:37:3
[INFO] [stderr]    |
[INFO] [stderr] 37 |   p.skip(10000).next().unwrap()
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::iter_skip_next)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_skip_next
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]  --> src/problems/largest_prime_factor.rs:8:7
[INFO] [stderr]   |
[INFO] [stderr] 8 |       n = n / d;
[INFO] [stderr]   |       ^^^^^^^^^ help: replace it with: `n /= d`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: called `skip(x).next()` on an iterator. This is more succinctly expressed by calling `nth(x)`
[INFO] [stderr]   --> src/problems/ten_thousand_first_prime.rs:37:3
[INFO] [stderr]    |
[INFO] [stderr] 37 |   p.skip(10000).next().unwrap()
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::iter_skip_next)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_skip_next
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "b1c202e11088cfc82603212a8074944af7a7cd063c22586956f691258a751b4d"`
[INFO] running `"docker" "rm" "-f" "b1c202e11088cfc82603212a8074944af7a7cd063c22586956f691258a751b4d"`
[INFO] [stdout] b1c202e11088cfc82603212a8074944af7a7cd063c22586956f691258a751b4d