[INFO] updating cached repository JasonKleban/RustyEuler
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/JasonKleban/RustyEuler
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/JasonKleban/RustyEuler" "work/ex/clippy-test-run/sources/stable/gh/JasonKleban/RustyEuler"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/JasonKleban/RustyEuler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/JasonKleban/RustyEuler" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/JasonKleban/RustyEuler"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/JasonKleban/RustyEuler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bf23e7a08037b522427d9d17be80fc5dfe8820ef
[INFO] sha for GitHub repo JasonKleban/RustyEuler: bf23e7a08037b522427d9d17be80fc5dfe8820ef
[INFO] validating manifest of JasonKleban/RustyEuler 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 JasonKleban/RustyEuler 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 JasonKleban/RustyEuler
[INFO] finished frobbing JasonKleban/RustyEuler
[INFO] frobbed toml for JasonKleban/RustyEuler written to work/ex/clippy-test-run/sources/stable/gh/JasonKleban/RustyEuler/Cargo.toml
[INFO] started frobbing JasonKleban/RustyEuler
[INFO] finished frobbing JasonKleban/RustyEuler
[INFO] frobbed toml for JasonKleban/RustyEuler written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/JasonKleban/RustyEuler/Cargo.toml
[INFO] crate JasonKleban/RustyEuler 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 JasonKleban/RustyEuler against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/JasonKleban/RustyEuler:/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] 261e900f898928d9be33cbc6c64ec8c803e3988bdb99d081d667afd2b01e4204
[INFO] running `"docker" "start" "-a" "261e900f898928d9be33cbc6c64ec8c803e3988bdb99d081d667afd2b01e4204"`
[INFO] [stderr]     Checking either v1.0.3
[INFO] [stderr]     Checking itertools v0.5.9
[INFO] [stderr]     Checking rusty_euler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]   --> src/main.rs:41:59
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn run<T: std::fmt::Display>(name: &str, func: fn() -> T) -> () {
[INFO] [stderr]    |                                                           ^^^^^ help: remove the `-> ()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]   --> src/main.rs:41:59
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn run<T: std::fmt::Display>(name: &str, func: fn() -> T) -> () {
[INFO] [stderr]    |                                                           ^^^^^ help: remove the `-> ()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: this `.fold` can be written more succinctly using another method
[INFO] [stderr]  --> src/euler1_3.rs:8:51
[INFO] [stderr]   |
[INFO] [stderr] 8 |     (1..1000).filter(|x| x % 3 == 0 || x % 5 == 0).fold(0, |a, i| a + i)
[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: this if-then-else expression returns a bool literal
[INFO] [stderr]   --> src/euler1_3.rs:45:31
[INFO] [stderr]    |
[INFO] [stderr] 45 |               .find(|cand_fact| if cand_composite % cand_fact == 0 && gpf(*cand_fact) == 1 {
[INFO] [stderr]    |  _______________________________^
[INFO] [stderr] 46 | |                 true
[INFO] [stderr] 47 | |             } else {
[INFO] [stderr] 48 | |                 false
[INFO] [stderr] 49 | |             })
[INFO] [stderr]    | |_____________^ help: you can reduce it to: `cand_composite % cand_fact == 0 && gpf(*cand_fact) == 1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool
[INFO] [stderr] 
[INFO] [stderr] warning: this if-then-else expression returns a bool literal
[INFO] [stderr]   --> src/euler7_9.rs:23:31
[INFO] [stderr]    |
[INFO] [stderr] 23 |               .find(|cand_fact| if cand_composite % cand_fact == 0 && gpf(*cand_fact) == 1 {
[INFO] [stderr]    |  _______________________________^
[INFO] [stderr] 24 | |                 true
[INFO] [stderr] 25 | |             } else {
[INFO] [stderr] 26 | |                 false
[INFO] [stderr] 27 | |             })
[INFO] [stderr]    | |_____________^ help: you can reduce it to: `cand_composite % cand_fact == 0 && gpf(*cand_fact) == 1`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool
[INFO] [stderr] 
[INFO] [stderr] warning: this `.fold` can be written more succinctly using another method
[INFO] [stderr]  --> src/euler1_3.rs:8:51
[INFO] [stderr]   |
[INFO] [stderr] 8 |     (1..1000).filter(|x| x % 3 == 0 || x % 5 == 0).fold(0, |a, i| a + i)
[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: this if-then-else expression returns a bool literal
[INFO] [stderr]   --> src/euler1_3.rs:45:31
[INFO] [stderr]    |
[INFO] [stderr] 45 |               .find(|cand_fact| if cand_composite % cand_fact == 0 && gpf(*cand_fact) == 1 {
[INFO] [stderr]    |  _______________________________^
[INFO] [stderr] 46 | |                 true
[INFO] [stderr] 47 | |             } else {
[INFO] [stderr] 48 | |                 false
[INFO] [stderr] 49 | |             })
[INFO] [stderr]    | |_____________^ help: you can reduce it to: `cand_composite % cand_fact == 0 && gpf(*cand_fact) == 1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool
[INFO] [stderr] 
[INFO] [stderr] warning: this if-then-else expression returns a bool literal
[INFO] [stderr]   --> src/euler7_9.rs:23:31
[INFO] [stderr]    |
[INFO] [stderr] 23 |               .find(|cand_fact| if cand_composite % cand_fact == 0 && gpf(*cand_fact) == 1 {
[INFO] [stderr]    |  _______________________________^
[INFO] [stderr] 24 | |                 true
[INFO] [stderr] 25 | |             } else {
[INFO] [stderr] 26 | |                 false
[INFO] [stderr] 27 | |             })
[INFO] [stderr]    | |_____________^ help: you can reduce it to: `cand_composite % cand_fact == 0 && gpf(*cand_fact) == 1`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.61s
[INFO] running `"docker" "inspect" "261e900f898928d9be33cbc6c64ec8c803e3988bdb99d081d667afd2b01e4204"`
[INFO] running `"docker" "rm" "-f" "261e900f898928d9be33cbc6c64ec8c803e3988bdb99d081d667afd2b01e4204"`
[INFO] [stdout] 261e900f898928d9be33cbc6c64ec8c803e3988bdb99d081d667afd2b01e4204