[INFO] crate fix-whitespace 1.0.2 is already in cache
[INFO] extracting crate fix-whitespace 1.0.2 into work/ex/clippy-test-run/sources/stable/reg/fix-whitespace/1.0.2
[INFO] extracting crate fix-whitespace 1.0.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/fix-whitespace/1.0.2
[INFO] validating manifest of fix-whitespace-1.0.2 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 fix-whitespace-1.0.2 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 fix-whitespace-1.0.2
[INFO] finished frobbing fix-whitespace-1.0.2
[INFO] frobbed toml for fix-whitespace-1.0.2 written to work/ex/clippy-test-run/sources/stable/reg/fix-whitespace/1.0.2/Cargo.toml
[INFO] started frobbing fix-whitespace-1.0.2
[INFO] finished frobbing fix-whitespace-1.0.2
[INFO] frobbed toml for fix-whitespace-1.0.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/fix-whitespace/1.0.2/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 fix-whitespace-1.0.2 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/fix-whitespace/1.0.2:/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] 9ec2012ed6d46bf786c0ec6568418ae61ef0e1a5119fe06f45e732fc10a62f89
[INFO] running `"docker" "start" "-a" "9ec2012ed6d46bf786c0ec6568418ae61ef0e1a5119fe06f45e732fc10a62f89"`
[INFO] [stderr]     Checking fix-whitespace v1.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/main.rs:228:10
[INFO] [stderr]     |
[INFO] [stderr] 228 |           } else {
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 229 | |
[INFO] [stderr] 230 | |             if (
[INFO] [stderr] 231 | |                 last_character == '\n'
[INFO] [stderr] ...   |
[INFO] [stderr] 239 | |
[INFO] [stderr] 240 | |         }
[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] 228 |         } else if (
[INFO] [stderr] 229 |     last_character == '\n'
[INFO] [stderr] 230 |     && second_last_character.is_whitespace ()
[INFO] [stderr] 231 | ) || (
[INFO] [stderr] 232 |     last_character == '\r'
[INFO] [stderr] 233 |     && second_last_character.is_whitespace ()
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/main.rs:228:10
[INFO] [stderr]     |
[INFO] [stderr] 228 |           } else {
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 229 | |
[INFO] [stderr] 230 | |             if (
[INFO] [stderr] 231 | |                 last_character == '\n'
[INFO] [stderr] ...   |
[INFO] [stderr] 239 | |
[INFO] [stderr] 240 | |         }
[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] 228 |         } else if (
[INFO] [stderr] 229 |     last_character == '\n'
[INFO] [stderr] 230 |     && second_last_character.is_whitespace ()
[INFO] [stderr] 231 | ) || (
[INFO] [stderr] 232 |     last_character == '\r'
[INFO] [stderr] 233 |     && second_last_character.is_whitespace ()
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/main.rs:98:3
[INFO] [stderr]     |
[INFO] [stderr] 98  |           match modeline_regex.captures (
[INFO] [stderr]     |  _________^
[INFO] [stderr] 99  | |             & line) {
[INFO] [stderr] 100 | |
[INFO] [stderr] 101 | |             Some (captures) =>
[INFO] [stderr] ...   |
[INFO] [stderr] 108 | |
[INFO] [stderr] 109 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 98  |         if let Some (captures) = modeline_regex.captures (
[INFO] [stderr] 99  |             & line) { modeline =
[INFO] [stderr] 100 | Some (
[INFO] [stderr] 101 |     captures.at (2).unwrap ().to_owned ()) };
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/main.rs:137:4
[INFO] [stderr]     |
[INFO] [stderr] 137 |               match modeline [3 .. ].parse::<usize> () {
[INFO] [stderr]     |  _____________^
[INFO] [stderr] 138 | |
[INFO] [stderr] 139 | |                 Ok (tab_size) => {
[INFO] [stderr] 140 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 148 | |
[INFO] [stderr] 149 | |             };
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 137 |             if let Ok (tab_size) = modeline [3 .. ].parse::<usize> () {
[INFO] [stderr] 138 | 
[INFO] [stderr] 139 |     config.tab_size =
[INFO] [stderr] 140 |         tab_size;
[INFO] [stderr] 141 | 
[INFO] [stderr] 142 | };
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/main.rs:98:3
[INFO] [stderr]     |
[INFO] [stderr] 98  |           match modeline_regex.captures (
[INFO] [stderr]     |  _________^
[INFO] [stderr] 99  | |             & line) {
[INFO] [stderr] 100 | |
[INFO] [stderr] 101 | |             Some (captures) =>
[INFO] [stderr] ...   |
[INFO] [stderr] 108 | |
[INFO] [stderr] 109 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 98  |         if let Some (captures) = modeline_regex.captures (
[INFO] [stderr] 99  |             & line) { modeline =
[INFO] [stderr] 100 | Some (
[INFO] [stderr] 101 |     captures.at (2).unwrap ().to_owned ()) };
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/main.rs:137:4
[INFO] [stderr]     |
[INFO] [stderr] 137 |               match modeline [3 .. ].parse::<usize> () {
[INFO] [stderr]     |  _____________^
[INFO] [stderr] 138 | |
[INFO] [stderr] 139 | |                 Ok (tab_size) => {
[INFO] [stderr] 140 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 148 | |
[INFO] [stderr] 149 | |             };
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 137 |             if let Ok (tab_size) = modeline [3 .. ].parse::<usize> () {
[INFO] [stderr] 138 | 
[INFO] [stderr] 139 |     config.tab_size =
[INFO] [stderr] 140 |         tab_size;
[INFO] [stderr] 141 | 
[INFO] [stderr] 142 | };
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `"docker" "inspect" "9ec2012ed6d46bf786c0ec6568418ae61ef0e1a5119fe06f45e732fc10a62f89"`
[INFO] running `"docker" "rm" "-f" "9ec2012ed6d46bf786c0ec6568418ae61ef0e1a5119fe06f45e732fc10a62f89"`
[INFO] [stdout] 9ec2012ed6d46bf786c0ec6568418ae61ef0e1a5119fe06f45e732fc10a62f89