[INFO] updating cached repository anthropomorphic/project_euler_24
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/anthropomorphic/project_euler_24
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/anthropomorphic/project_euler_24" "work/ex/clippy-test-run/sources/stable/gh/anthropomorphic/project_euler_24"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/anthropomorphic/project_euler_24'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/anthropomorphic/project_euler_24" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/anthropomorphic/project_euler_24"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/anthropomorphic/project_euler_24'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 34720214fb8f34e278d5d806a4cbe64985866eaf
[INFO] sha for GitHub repo anthropomorphic/project_euler_24: 34720214fb8f34e278d5d806a4cbe64985866eaf
[INFO] validating manifest of anthropomorphic/project_euler_24 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/project_euler_24 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/project_euler_24
[INFO] finished frobbing anthropomorphic/project_euler_24
[INFO] frobbed toml for anthropomorphic/project_euler_24 written to work/ex/clippy-test-run/sources/stable/gh/anthropomorphic/project_euler_24/Cargo.toml
[INFO] started frobbing anthropomorphic/project_euler_24
[INFO] finished frobbing anthropomorphic/project_euler_24
[INFO] frobbed toml for anthropomorphic/project_euler_24 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/anthropomorphic/project_euler_24/Cargo.toml
[INFO] crate anthropomorphic/project_euler_24 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/project_euler_24 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-2/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/project_euler_24:/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] 2b89b9d7d08d0abfdbd843cde246ceff40da7304d1885127885f8cd24c94ffb6
[INFO] running `"docker" "start" "-a" "2b89b9d7d08d0abfdbd843cde246ceff40da7304d1885127885f8cd24c94ffb6"`
[INFO] [stderr]     Checking project_euler_24 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]  --> src/main.rs:7:13
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let p = 1000000;
[INFO] [stderr]   |             ^^^^^^^ help: consider: `1_000_000`
[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: long literal lacking separators
[INFO] [stderr]  --> src/main.rs:7:13
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let p = 1000000;
[INFO] [stderr]   |             ^^^^^^^ help: consider: `1_000_000`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:22:27
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn permutation(p: u64, s: &Vec<u64>) -> Vec<u64>
[INFO] [stderr]    |                           ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] help: change this to
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn permutation(p: u64, s: &[u64]) -> Vec<u64>
[INFO] [stderr]    |                           ^^^^^^
[INFO] [stderr] help: change `s.clone()` to
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let mut s = s.to_owned();
[INFO] [stderr]    |                     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:66:44
[INFO] [stderr]    |
[INFO] [stderr] 66 | fn first_element_of_permutation(p: u64, s: &Vec<u64>) -> u64
[INFO] [stderr]    |                                            ^^^^^^^^^ help: change this to: `&[u64]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: statement can be reduced
[INFO] [stderr]    --> src/main.rs:108:13
[INFO] [stderr]     |
[INFO] [stderr] 108 |             &self.remove(p);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `self.remove(p);`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unnecessary_operation)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_operation
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:22:27
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn permutation(p: u64, s: &Vec<u64>) -> Vec<u64>
[INFO] [stderr]    |                           ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] help: change this to
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn permutation(p: u64, s: &[u64]) -> Vec<u64>
[INFO] [stderr]    |                           ^^^^^^
[INFO] [stderr] help: change `s.clone()` to
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let mut s = s.to_owned();
[INFO] [stderr]    |                     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:66:44
[INFO] [stderr]    |
[INFO] [stderr] 66 | fn first_element_of_permutation(p: u64, s: &Vec<u64>) -> u64
[INFO] [stderr]    |                                            ^^^^^^^^^ help: change this to: `&[u64]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: statement can be reduced
[INFO] [stderr]    --> src/main.rs:108:13
[INFO] [stderr]     |
[INFO] [stderr] 108 |             &self.remove(p);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `self.remove(p);`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unnecessary_operation)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_operation
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "2b89b9d7d08d0abfdbd843cde246ceff40da7304d1885127885f8cd24c94ffb6"`
[INFO] running `"docker" "rm" "-f" "2b89b9d7d08d0abfdbd843cde246ceff40da7304d1885127885f8cd24c94ffb6"`
[INFO] [stdout] 2b89b9d7d08d0abfdbd843cde246ceff40da7304d1885127885f8cd24c94ffb6