[INFO] crate dijkstra 0.1.2 is already in cache
[INFO] extracting crate dijkstra 0.1.2 into work/ex/clippy-test-run/sources/stable/reg/dijkstra/0.1.2
[INFO] extracting crate dijkstra 0.1.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/dijkstra/0.1.2
[INFO] validating manifest of dijkstra-0.1.2 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 dijkstra-0.1.2 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 dijkstra-0.1.2
[INFO] finished frobbing dijkstra-0.1.2
[INFO] frobbed toml for dijkstra-0.1.2 written to work/ex/clippy-test-run/sources/stable/reg/dijkstra/0.1.2/Cargo.toml
[INFO] started frobbing dijkstra-0.1.2
[INFO] finished frobbing dijkstra-0.1.2
[INFO] frobbed toml for dijkstra-0.1.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/dijkstra/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 dijkstra-0.1.2 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/dijkstra/0.1.2:/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] 7e563402b7a5e0c280925c63360ba9ff11b225f4a1d3706c3e8b594fa3846457
[INFO] running `"docker" "start" "-a" "7e563402b7a5e0c280925c63360ba9ff11b225f4a1d3706c3e8b594fa3846457"`
[INFO] [stderr]     Checking dijkstra v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]   --> src/lib.rs:51:2
[INFO] [stderr]    |
[INFO] [stderr] 51 |     println!("");
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/lib.rs:56:17
[INFO] [stderr]    |
[INFO] [stderr] 56 |                 print!("{}","-");
[INFO] [stderr]    |                             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::print_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]   --> src/lib.rs:61:3
[INFO] [stderr]    |
[INFO] [stderr] 61 |         println!("");
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]   --> src/lib.rs:51:2
[INFO] [stderr]    |
[INFO] [stderr] 51 |     println!("");
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/lib.rs:56:17
[INFO] [stderr]    |
[INFO] [stderr] 56 |                 print!("{}","-");
[INFO] [stderr]    |                             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::print_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]   --> src/lib.rs:61:3
[INFO] [stderr]    |
[INFO] [stderr] 61 |         println!("");
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]   --> src/lib.rs:50:40
[INFO] [stderr]    |
[INFO] [stderr] 50 | fn print_matrix(matrix: &DMatrix<i32>) -> () {
[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 if statement can be collapsed
[INFO] [stderr]    --> src/lib.rs:123:5
[INFO] [stderr]     |
[INFO] [stderr] 123 |                   if index_of_int_vector(&path,j) < 0 {
[INFO] [stderr]     |  _________________^
[INFO] [stderr] 124 | |                     if pesos[(pos,j)] != i32::max_value() {
[INFO] [stderr] 125 | |                         row[j] = na::min(row[j],cost + pesos[(pos,j)]);
[INFO] [stderr] 126 | |                     }
[INFO] [stderr] 127 | |                 }
[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] 123 |                 if index_of_int_vector(&path,j) < 0 && pesos[(pos,j)] != i32::max_value() {
[INFO] [stderr] 124 |     row[j] = na::min(row[j],cost + pesos[(pos,j)]);
[INFO] [stderr] 125 | }
[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/lib.rs:65:60
[INFO] [stderr]    |
[INFO] [stderr] 65 | fn min_of_array_and_not_in_array(row: &DVector<i32>, path: &Vec<usize>) -> i32 {
[INFO] [stderr]    |                                                            ^^^^^^^^^^^ help: change this to: `&[usize]`
[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] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `row`.
[INFO] [stderr]   --> src/lib.rs:67:11
[INFO] [stderr]    |
[INFO] [stderr] 67 |     for i in 0..row.len() {
[INFO] [stderr]    |              ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 67 |     for <item> in &row {
[INFO] [stderr]    |         ^^^^^^    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `array`
[INFO] [stderr]   --> src/lib.rs:80:11
[INFO] [stderr]    |
[INFO] [stderr] 80 |     for i in 0..array.len() {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 80 |     for (i, <item>) in array.iter().enumerate() {
[INFO] [stderr]    |         ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `array`
[INFO] [stderr]   --> src/lib.rs:91:11
[INFO] [stderr]    |
[INFO] [stderr] 91 |     for i in 0..array.len() {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 91 |     for (i, <item>) in array.iter().enumerate() {
[INFO] [stderr]    |         ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]   --> src/lib.rs:50:40
[INFO] [stderr]    |
[INFO] [stderr] 50 | fn print_matrix(matrix: &DMatrix<i32>) -> () {
[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 if statement can be collapsed
[INFO] [stderr]    --> src/lib.rs:123:5
[INFO] [stderr]     |
[INFO] [stderr] 123 |                   if index_of_int_vector(&path,j) < 0 {
[INFO] [stderr]     |  _________________^
[INFO] [stderr] 124 | |                     if pesos[(pos,j)] != i32::max_value() {
[INFO] [stderr] 125 | |                         row[j] = na::min(row[j],cost + pesos[(pos,j)]);
[INFO] [stderr] 126 | |                     }
[INFO] [stderr] 127 | |                 }
[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] 123 |                 if index_of_int_vector(&path,j) < 0 && pesos[(pos,j)] != i32::max_value() {
[INFO] [stderr] 124 |     row[j] = na::min(row[j],cost + pesos[(pos,j)]);
[INFO] [stderr] 125 | }
[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/lib.rs:65:60
[INFO] [stderr]    |
[INFO] [stderr] 65 | fn min_of_array_and_not_in_array(row: &DVector<i32>, path: &Vec<usize>) -> i32 {
[INFO] [stderr]    |                                                            ^^^^^^^^^^^ help: change this to: `&[usize]`
[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] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `row`.
[INFO] [stderr]   --> src/lib.rs:67:11
[INFO] [stderr]    |
[INFO] [stderr] 67 |     for i in 0..row.len() {
[INFO] [stderr]    |              ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 67 |     for <item> in &row {
[INFO] [stderr]    |         ^^^^^^    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `array`
[INFO] [stderr]   --> src/lib.rs:80:11
[INFO] [stderr]    |
[INFO] [stderr] 80 |     for i in 0..array.len() {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 80 |     for (i, <item>) in array.iter().enumerate() {
[INFO] [stderr]    |         ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `array`
[INFO] [stderr]   --> src/lib.rs:91:11
[INFO] [stderr]    |
[INFO] [stderr] 91 |     for i in 0..array.len() {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 91 |     for (i, <item>) in array.iter().enumerate() {
[INFO] [stderr]    |         ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `"docker" "inspect" "7e563402b7a5e0c280925c63360ba9ff11b225f4a1d3706c3e8b594fa3846457"`
[INFO] running `"docker" "rm" "-f" "7e563402b7a5e0c280925c63360ba9ff11b225f4a1d3706c3e8b594fa3846457"`
[INFO] [stdout] 7e563402b7a5e0c280925c63360ba9ff11b225f4a1d3706c3e8b594fa3846457