[INFO] crate tabwriter 1.1.0 is already in cache
[INFO] extracting crate tabwriter 1.1.0 into work/ex/clippy-test-run/sources/stable/reg/tabwriter/1.1.0
[INFO] extracting crate tabwriter 1.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/tabwriter/1.1.0
[INFO] validating manifest of tabwriter-1.1.0 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 tabwriter-1.1.0 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 tabwriter-1.1.0
[INFO] finished frobbing tabwriter-1.1.0
[INFO] frobbed toml for tabwriter-1.1.0 written to work/ex/clippy-test-run/sources/stable/reg/tabwriter/1.1.0/Cargo.toml
[INFO] started frobbing tabwriter-1.1.0
[INFO] finished frobbing tabwriter-1.1.0
[INFO] frobbed toml for tabwriter-1.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/tabwriter/1.1.0/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 tabwriter-1.1.0 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/tabwriter/1.1.0:/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] 7ef2575abe9f66a71732b510e1f0bf5cd216831c7c95de364d4849e295d43983
[INFO] running `"docker" "start" "-a" "7ef2575abe9f66a71732b510e1f0bf5cd216831c7c95de364d4849e295d43983"`
[INFO] [stderr]     Checking tabwriter v1.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:131:13
[INFO] [stderr]     |
[INFO] [stderr] 131 |             w: w,
[INFO] [stderr]     |             ^^^^ help: replace it with: `w`
[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:212:16
[INFO] [stderr]     |
[INFO] [stderr] 212 |         Cell { start: start, width: 0, size: 0 }
[INFO] [stderr]     |                ^^^^^^^^^^^^ help: replace it with: `start`
[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:131:13
[INFO] [stderr]     |
[INFO] [stderr] 131 |             w: w,
[INFO] [stderr]     |             ^^^^ help: replace it with: `w`
[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:212:16
[INFO] [stderr]     |
[INFO] [stderr] 212 |         Cell { start: start, width: 0, size: 0 }
[INFO] [stderr]     |                ^^^^^^^^^^^^ help: replace it with: `start`
[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: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/lib.rs:256:45
[INFO] [stderr]     |
[INFO] [stderr] 256 |                                   .map(|ws| ws.iter().map(|&w|w).max()
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `ws.iter().cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[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:323:23
[INFO] [stderr]     |
[INFO] [stderr] 323 | fn cell_widths(lines: &Vec<Vec<Cell>>, minwidth: usize) -> Vec<Vec<usize>> {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^ help: change this to: `&[Vec<Cell>]`
[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 `j` is only used to index `ws`.
[INFO] [stderr]    --> src/lib.rs:345:22
[INFO] [stderr]     |
[INFO] [stderr] 345 |             for j in i..(i+contig_count) {
[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] 345 |             for <item> in ws.iter_mut().skip(i).take(contig_count) {
[INFO] [stderr]     |                 ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this `.fold` can be written more succinctly using another method
[INFO] [stderr]    --> src/lib.rs:362:68
[INFO] [stderr]     |
[INFO] [stderr] 362 |                     .map(|c| UnicodeWidthChar::width(c).unwrap_or(0))
[INFO] [stderr]     |  ____________________________________________________________________^
[INFO] [stderr] 363 | |                   .fold(0, |sum, width| sum + width),
[INFO] [stderr]     | |____________________________________________________^ help: try: `.sum()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unnecessary_fold)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/lib.rs:256:45
[INFO] [stderr]     |
[INFO] [stderr] 256 |                                   .map(|ws| ws.iter().map(|&w|w).max()
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `ws.iter().cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[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:323:23
[INFO] [stderr]     |
[INFO] [stderr] 323 | fn cell_widths(lines: &Vec<Vec<Cell>>, minwidth: usize) -> Vec<Vec<usize>> {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^ help: change this to: `&[Vec<Cell>]`
[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 `j` is only used to index `ws`.
[INFO] [stderr]    --> src/lib.rs:345:22
[INFO] [stderr]     |
[INFO] [stderr] 345 |             for j in i..(i+contig_count) {
[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] 345 |             for <item> in ws.iter_mut().skip(i).take(contig_count) {
[INFO] [stderr]     |                 ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this `.fold` can be written more succinctly using another method
[INFO] [stderr]    --> src/lib.rs:362:68
[INFO] [stderr]     |
[INFO] [stderr] 362 |                     .map(|c| UnicodeWidthChar::width(c).unwrap_or(0))
[INFO] [stderr]     |  ____________________________________________________________________^
[INFO] [stderr] 363 | |                   .fold(0, |sum, width| sum + width),
[INFO] [stderr]     | |____________________________________________________^ help: try: `.sum()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unnecessary_fold)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "7ef2575abe9f66a71732b510e1f0bf5cd216831c7c95de364d4849e295d43983"`
[INFO] running `"docker" "rm" "-f" "7ef2575abe9f66a71732b510e1f0bf5cd216831c7c95de364d4849e295d43983"`
[INFO] [stdout] 7ef2575abe9f66a71732b510e1f0bf5cd216831c7c95de364d4849e295d43983