[INFO] updating cached repository anthropomorphic/prime_factorization
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/anthropomorphic/prime_factorization
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/anthropomorphic/prime_factorization" "work/ex/clippy-test-run/sources/stable/gh/anthropomorphic/prime_factorization"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/anthropomorphic/prime_factorization'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/anthropomorphic/prime_factorization" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/anthropomorphic/prime_factorization"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/anthropomorphic/prime_factorization'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cb9b2923631887cc54f33d30f4be1f9eabb2cfb1
[INFO] sha for GitHub repo anthropomorphic/prime_factorization: cb9b2923631887cc54f33d30f4be1f9eabb2cfb1
[INFO] validating manifest of anthropomorphic/prime_factorization 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 anthropomorphic/prime_factorization 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 anthropomorphic/prime_factorization
[INFO] finished frobbing anthropomorphic/prime_factorization
[INFO] frobbed toml for anthropomorphic/prime_factorization written to work/ex/clippy-test-run/sources/stable/gh/anthropomorphic/prime_factorization/Cargo.toml
[INFO] started frobbing anthropomorphic/prime_factorization
[INFO] finished frobbing anthropomorphic/prime_factorization
[INFO] frobbed toml for anthropomorphic/prime_factorization written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/anthropomorphic/prime_factorization/Cargo.toml
[INFO] crate anthropomorphic/prime_factorization 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 anthropomorphic/prime_factorization 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-3/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/anthropomorphic/prime_factorization:/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] 3193719b0c3b6b8b9773bb7be70e854c39fa03711ad143a2691c7c9c0d1f5ea5
[INFO] running `"docker" "start" "-a" "3193719b0c3b6b8b9773bb7be70e854c39fa03711ad143a2691c7c9c0d1f5ea5"`
[INFO] [stderr]     Checking prime_factorization v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]  --> src/main.rs:5:13
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let n = 600851475143;
[INFO] [stderr]   |             ^^^^^^^^^^^^ help: consider: `600_851_475_143`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/main.rs:16:14
[INFO] [stderr]    |
[INFO] [stderr] 16 |     for j in 2..root_n+1 {
[INFO] [stderr]    |              ^^^^^^^^^^^ help: use: `2..=root_n`
[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: length comparison to zero
[INFO] [stderr]   --> src/main.rs:22:16
[INFO] [stderr]    |
[INFO] [stderr] 22 |             if factors.len() == 0 {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `factors.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/main.rs:38:20
[INFO] [stderr]    |
[INFO] [stderr] 38 |                 if factors.len() == 0 {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `factors.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> src/main.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     n == n.floor()
[INFO] [stderr]    |     ^^^^^^^^^^^^^^ help: consider comparing them within some error: `(n - n.floor()).abs() < error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::float_cmp)] on by default
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> src/main.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     n == n.floor()
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `prime_factorization`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]  --> src/main.rs:5:13
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let n = 600851475143;
[INFO] [stderr]   |             ^^^^^^^^^^^^ help: consider: `600_851_475_143`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/main.rs:16:14
[INFO] [stderr]    |
[INFO] [stderr] 16 |     for j in 2..root_n+1 {
[INFO] [stderr]    |              ^^^^^^^^^^^ help: use: `2..=root_n`
[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: length comparison to zero
[INFO] [stderr]   --> src/main.rs:22:16
[INFO] [stderr]    |
[INFO] [stderr] 22 |             if factors.len() == 0 {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `factors.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/main.rs:38:20
[INFO] [stderr]    |
[INFO] [stderr] 38 |                 if factors.len() == 0 {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `factors.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> src/main.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     n == n.floor()
[INFO] [stderr]    |     ^^^^^^^^^^^^^^ help: consider comparing them within some error: `(n - n.floor()).abs() < error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::float_cmp)] on by default
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> src/main.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     n == n.floor()
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `prime_factorization`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "3193719b0c3b6b8b9773bb7be70e854c39fa03711ad143a2691c7c9c0d1f5ea5"`
[INFO] running `"docker" "rm" "-f" "3193719b0c3b6b8b9773bb7be70e854c39fa03711ad143a2691c7c9c0d1f5ea5"`
[INFO] [stdout] 3193719b0c3b6b8b9773bb7be70e854c39fa03711ad143a2691c7c9c0d1f5ea5