[INFO] updating cached repository wismer/caesar-cipher
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/wismer/caesar-cipher
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/wismer/caesar-cipher" "work/ex/clippy-test-run/sources/stable/gh/wismer/caesar-cipher"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/wismer/caesar-cipher'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wismer/caesar-cipher" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/wismer/caesar-cipher"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/wismer/caesar-cipher'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cda2f26c1e779c0c72a97c4388eab53d6fb84041
[INFO] sha for GitHub repo wismer/caesar-cipher: cda2f26c1e779c0c72a97c4388eab53d6fb84041
[INFO] validating manifest of wismer/caesar-cipher 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 wismer/caesar-cipher 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 wismer/caesar-cipher
[INFO] finished frobbing wismer/caesar-cipher
[INFO] frobbed toml for wismer/caesar-cipher written to work/ex/clippy-test-run/sources/stable/gh/wismer/caesar-cipher/Cargo.toml
[INFO] started frobbing wismer/caesar-cipher
[INFO] finished frobbing wismer/caesar-cipher
[INFO] frobbed toml for wismer/caesar-cipher written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/wismer/caesar-cipher/Cargo.toml
[INFO] crate wismer/caesar-cipher 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 wismer/caesar-cipher 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-1/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/wismer/caesar-cipher:/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] e1d11cacbba5e4504f9eec514a3a12a197c1f66d52e0e8881e6fe3557fed8c57
[INFO] running `"docker" "start" "-a" "e1d11cacbba5e4504f9eec514a3a12a197c1f66d52e0e8881e6fe3557fed8c57"`
[INFO] [stderr]     Checking caesar-cipher v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: module has the same name as its containing module
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub mod euler;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::module_inception)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/euler/euler.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]  --> src/euler/euler.rs:6:16
[INFO] [stderr]   |
[INFO] [stderr] 6 | const EULER: [&'static str; 1] = [
[INFO] [stderr]   |               -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> src/main.rs:31:24
[INFO] [stderr]    |
[INFO] [stderr] 31 |                   } else {
[INFO] [stderr]    |  ________________________^
[INFO] [stderr] 32 | |                     if actual + shift >= 25 {
[INFO] [stderr] 33 | |                         crypted_pos = (actual + shift - 25) as usize;
[INFO] [stderr] 34 | |                     } else {
[INFO] [stderr] 35 | |                         crypted_pos = (actual + shift) as usize;
[INFO] [stderr] 36 | |                     }
[INFO] [stderr] 37 | |                 }
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 } else if actual + shift >= 25 {
[INFO] [stderr] 32 |     crypted_pos = (actual + shift - 25) as usize;
[INFO] [stderr] 33 | } else {
[INFO] [stderr] 34 |     crypted_pos = (actual + shift) as usize;
[INFO] [stderr] 35 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: module has the same name as its containing module
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub mod euler;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::module_inception)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/euler/euler.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]  --> src/euler/euler.rs:6:16
[INFO] [stderr]   |
[INFO] [stderr] 6 | const EULER: [&'static str; 1] = [
[INFO] [stderr]   |               -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> src/main.rs:31:24
[INFO] [stderr]    |
[INFO] [stderr] 31 |                   } else {
[INFO] [stderr]    |  ________________________^
[INFO] [stderr] 32 | |                     if actual + shift >= 25 {
[INFO] [stderr] 33 | |                         crypted_pos = (actual + shift - 25) as usize;
[INFO] [stderr] 34 | |                     } else {
[INFO] [stderr] 35 | |                         crypted_pos = (actual + shift) as usize;
[INFO] [stderr] 36 | |                     }
[INFO] [stderr] 37 | |                 }
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 } else if actual + shift >= 25 {
[INFO] [stderr] 32 |     crypted_pos = (actual + shift - 25) as usize;
[INFO] [stderr] 33 | } else {
[INFO] [stderr] 34 |     crypted_pos = (actual + shift) as usize;
[INFO] [stderr] 35 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `remainder`
[INFO] [stderr]   --> src/euler/euler.rs:40:24
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn calculate_remainder(remainder: &mut i32) {
[INFO] [stderr]    |                        ^^^^^^^^^ help: consider using `_remainder` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/euler/euler.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let mut total_number = 0u64;
[INFO] [stderr]    |         ----^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Neither`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Neither
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `calculate_remainder`
[INFO] [stderr]   --> src/euler/euler.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn calculate_remainder(remainder: &mut i32) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `line_total`
[INFO] [stderr]   --> src/euler/euler.rs:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn line_total(line: &str) -> u64 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/euler/euler.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     file.read_to_string(&mut contents);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `acc`
[INFO] [stderr]   --> src/euler/euler.rs:23:28
[INFO] [stderr]    |
[INFO] [stderr] 23 |                 None    => acc + 0
[INFO] [stderr]    |                            ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_op)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: statement can be reduced
[INFO] [stderr]   --> src/main.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |             &self.process(c, &mut crypted_message, shift);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.process(c, &mut crypted_message, shift);`
[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: statement can be reduced
[INFO] [stderr]   --> src/main.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |             &self.process(c, &mut decoded_message, shift);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.process(c, &mut decoded_message, shift);`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_operation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `remainder`
[INFO] [stderr]   --> src/euler/euler.rs:40:24
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn calculate_remainder(remainder: &mut i32) {
[INFO] [stderr]    |                        ^^^^^^^^^ help: consider using `_remainder` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/euler/euler.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let mut total_number = 0u64;
[INFO] [stderr]    |         ----^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Neither`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Neither
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `calculate_remainder`
[INFO] [stderr]   --> src/euler/euler.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn calculate_remainder(remainder: &mut i32) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `line_total`
[INFO] [stderr]   --> src/euler/euler.rs:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn line_total(line: &str) -> u64 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/euler/euler.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     file.read_to_string(&mut contents);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `acc`
[INFO] [stderr]   --> src/euler/euler.rs:23:28
[INFO] [stderr]    |
[INFO] [stderr] 23 |                 None    => acc + 0
[INFO] [stderr]    |                            ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_op)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: statement can be reduced
[INFO] [stderr]   --> src/main.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |             &self.process(c, &mut crypted_message, shift);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.process(c, &mut crypted_message, shift);`
[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: statement can be reduced
[INFO] [stderr]   --> src/main.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |             &self.process(c, &mut decoded_message, shift);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.process(c, &mut decoded_message, shift);`
[INFO] [stderr]    |
[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 0.64s
[INFO] running `"docker" "inspect" "e1d11cacbba5e4504f9eec514a3a12a197c1f66d52e0e8881e6fe3557fed8c57"`
[INFO] running `"docker" "rm" "-f" "e1d11cacbba5e4504f9eec514a3a12a197c1f66d52e0e8881e6fe3557fed8c57"`
[INFO] [stdout] e1d11cacbba5e4504f9eec514a3a12a197c1f66d52e0e8881e6fe3557fed8c57