[INFO] crate rust_basic_matrix 0.0.4 is already in cache
[INFO] extracting crate rust_basic_matrix 0.0.4 into work/ex/clippy-test-run/sources/stable/reg/rust_basic_matrix/0.0.4
[INFO] extracting crate rust_basic_matrix 0.0.4 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/rust_basic_matrix/0.0.4
[INFO] validating manifest of rust_basic_matrix-0.0.4 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 rust_basic_matrix-0.0.4 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 rust_basic_matrix-0.0.4
[INFO] finished frobbing rust_basic_matrix-0.0.4
[INFO] frobbed toml for rust_basic_matrix-0.0.4 written to work/ex/clippy-test-run/sources/stable/reg/rust_basic_matrix/0.0.4/Cargo.toml
[INFO] started frobbing rust_basic_matrix-0.0.4
[INFO] finished frobbing rust_basic_matrix-0.0.4
[INFO] frobbed toml for rust_basic_matrix-0.0.4 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/rust_basic_matrix/0.0.4/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 rust_basic_matrix-0.0.4 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/rust_basic_matrix/0.0.4:/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] 4b889d24417d1ae7f4e75c208cc17e9f16b82ed311b746257a682be839738c24
[INFO] running `"docker" "start" "-a" "4b889d24417d1ae7f4e75c208cc17e9f16b82ed311b746257a682be839738c24"`
[INFO] [stderr]     Checking rust_basic_matrix v0.0.4 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lib.rs:15:4
[INFO] [stderr]    |
[INFO] [stderr] 15 |             cols: cols,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `cols`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lib.rs:16:4
[INFO] [stderr]    |
[INFO] [stderr] 16 |             rows: rows,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `rows`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lib.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 |             data: data
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `data`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lib.rs:31:4
[INFO] [stderr]    |
[INFO] [stderr] 31 |             data: data,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `data`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lib.rs:32:4
[INFO] [stderr]    |
[INFO] [stderr] 32 |             rows: rows,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `rows`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lib.rs:33:4
[INFO] [stderr]    |
[INFO] [stderr] 33 |             cols: cols
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `cols`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lib.rs:15:4
[INFO] [stderr]    |
[INFO] [stderr] 15 |             cols: cols,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `cols`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lib.rs:16:4
[INFO] [stderr]    |
[INFO] [stderr] 16 |             rows: rows,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `rows`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lib.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 |             data: data
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `data`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lib.rs:31:4
[INFO] [stderr]    |
[INFO] [stderr] 31 |             data: data,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `data`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lib.rs:32:4
[INFO] [stderr]    |
[INFO] [stderr] 32 |             rows: rows,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `rows`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lib.rs:33:4
[INFO] [stderr]    |
[INFO] [stderr] 33 |             cols: cols
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `cols`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/lib.rs:30:3
[INFO] [stderr]    |
[INFO] [stderr] 30 |           return Matrix {
[INFO] [stderr]    |  _________^
[INFO] [stderr] 31 | |             data: data,
[INFO] [stderr] 32 | |             rows: rows,
[INFO] [stderr] 33 | |             cols: cols
[INFO] [stderr] 34 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 30 |         Matrix {
[INFO] [stderr] 31 |             data: data,
[INFO] [stderr] 32 |             rows: rows,
[INFO] [stderr] 33 |             cols: cols
[INFO] [stderr] 34 |         }
[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:21:67
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn with_data(rows: usize, cols: usize, initial: T, old_data: &Vec<T>, data_rows: usize, data_cols: usize) -> Matrix<T> {
[INFO] [stderr]    |                                                                      ^^^^^^^ help: change this to: `&[T]`
[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: unneeded return statement
[INFO] [stderr]   --> src/lib.rs:30:3
[INFO] [stderr]    |
[INFO] [stderr] 30 |           return Matrix {
[INFO] [stderr]    |  _________^
[INFO] [stderr] 31 | |             data: data,
[INFO] [stderr] 32 | |             rows: rows,
[INFO] [stderr] 33 | |             cols: cols
[INFO] [stderr] 34 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 30 |         Matrix {
[INFO] [stderr] 31 |             data: data,
[INFO] [stderr] 32 |             rows: rows,
[INFO] [stderr] 33 |             cols: cols
[INFO] [stderr] 34 |         }
[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:21:67
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn with_data(rows: usize, cols: usize, initial: T, old_data: &Vec<T>, data_rows: usize, data_cols: usize) -> Matrix<T> {
[INFO] [stderr]    |                                                                      ^^^^^^^ help: change this to: `&[T]`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "4b889d24417d1ae7f4e75c208cc17e9f16b82ed311b746257a682be839738c24"`
[INFO] running `"docker" "rm" "-f" "4b889d24417d1ae7f4e75c208cc17e9f16b82ed311b746257a682be839738c24"`
[INFO] [stdout] 4b889d24417d1ae7f4e75c208cc17e9f16b82ed311b746257a682be839738c24