[INFO] updating cached repository NickMyers217/project-euler-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/NickMyers217/project-euler-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/NickMyers217/project-euler-rust" "work/ex/clippy-test-run/sources/stable/gh/NickMyers217/project-euler-rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/NickMyers217/project-euler-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/NickMyers217/project-euler-rust" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/NickMyers217/project-euler-rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/NickMyers217/project-euler-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7ae1ab11ba0f8d39351076a448ed5bc7bb797638
[INFO] sha for GitHub repo NickMyers217/project-euler-rust: 7ae1ab11ba0f8d39351076a448ed5bc7bb797638
[INFO] validating manifest of NickMyers217/project-euler-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 NickMyers217/project-euler-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 NickMyers217/project-euler-rust
[INFO] finished frobbing NickMyers217/project-euler-rust
[INFO] frobbed toml for NickMyers217/project-euler-rust written to work/ex/clippy-test-run/sources/stable/gh/NickMyers217/project-euler-rust/Cargo.toml
[INFO] started frobbing NickMyers217/project-euler-rust
[INFO] finished frobbing NickMyers217/project-euler-rust
[INFO] frobbed toml for NickMyers217/project-euler-rust written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/NickMyers217/project-euler-rust/Cargo.toml
[INFO] crate NickMyers217/project-euler-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 NickMyers217/project-euler-rust against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/NickMyers217/project-euler-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] ed8f8df1a5c662797c2d02bee099745f0161d44825c1f66b6ee3e415428f2f1f
[INFO] running `"docker" "start" "-a" "ed8f8df1a5c662797c2d02bee099745f0161d44825c1f66b6ee3e415428f2f1f"`
[INFO] [stderr]     Checking euler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]  --> src/p12.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 |         .map(|i| get_tri_num(i))
[INFO] [stderr]   |              ^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `get_tri_num`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/p12.rs:12:2
[INFO] [stderr]    |
[INFO] [stderr] 12 |     (1..i + 1).fold(0, |acc, n| acc + n) as u64
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from((1..i + 1).fold(0, |acc, n| acc + n))`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: this `.fold` can be written more succinctly using another method
[INFO] [stderr]   --> src/p12.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |     (1..i + 1).fold(0, |acc, n| acc + n) as u64
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `.sum()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unnecessary_fold)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/p12.rs:12:2
[INFO] [stderr]    |
[INFO] [stderr] 12 |     (1..i + 1).fold(0, |acc, n| acc + n) as u64
[INFO] [stderr]    |     ^^^^^^^^^^ help: use: `(1..=i)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: avoid using `collect()` when not needed
[INFO] [stderr]   --> src/p12.rs:18:2
[INFO] [stderr]    |
[INFO] [stderr] 18 |       .collect::<Vec<_>>()
[INFO] [stderr]    |  _____^
[INFO] [stderr] 19 | |     .len() as u32 * 2
[INFO] [stderr]    | |__________^ help: replace with: `.count()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_collect)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_collect
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/p12.rs:16:2
[INFO] [stderr]    |
[INFO] [stderr] 16 |     (1..(i as f64).sqrt() as u64 + 1)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `(1..=(i as f64).sqrt() as u64)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]  --> src/p12.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 |         .map(|i| get_tri_num(i))
[INFO] [stderr]   |              ^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `get_tri_num`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/p12.rs:12:2
[INFO] [stderr]    |
[INFO] [stderr] 12 |     (1..i + 1).fold(0, |acc, n| acc + n) as u64
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from((1..i + 1).fold(0, |acc, n| acc + n))`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: this `.fold` can be written more succinctly using another method
[INFO] [stderr]   --> src/p12.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |     (1..i + 1).fold(0, |acc, n| acc + n) as u64
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `.sum()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unnecessary_fold)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/p12.rs:12:2
[INFO] [stderr]    |
[INFO] [stderr] 12 |     (1..i + 1).fold(0, |acc, n| acc + n) as u64
[INFO] [stderr]    |     ^^^^^^^^^^ help: use: `(1..=i)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: avoid using `collect()` when not needed
[INFO] [stderr]   --> src/p12.rs:18:2
[INFO] [stderr]    |
[INFO] [stderr] 18 |       .collect::<Vec<_>>()
[INFO] [stderr]    |  _____^
[INFO] [stderr] 19 | |     .len() as u32 * 2
[INFO] [stderr]    | |__________^ help: replace with: `.count()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_collect)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_collect
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/p12.rs:16:2
[INFO] [stderr]    |
[INFO] [stderr] 16 |     (1..(i as f64).sqrt() as u64 + 1)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `(1..=(i as f64).sqrt() as u64)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "ed8f8df1a5c662797c2d02bee099745f0161d44825c1f66b6ee3e415428f2f1f"`
[INFO] running `"docker" "rm" "-f" "ed8f8df1a5c662797c2d02bee099745f0161d44825c1f66b6ee3e415428f2f1f"`
[INFO] [stdout] ed8f8df1a5c662797c2d02bee099745f0161d44825c1f66b6ee3e415428f2f1f