[INFO] crate webdriver 0.38.0 is already in cache
[INFO] extracting crate webdriver 0.38.0 into work/ex/clippy-test-run/sources/stable/reg/webdriver/0.38.0
[INFO] extracting crate webdriver 0.38.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/webdriver/0.38.0
[INFO] validating manifest of webdriver-0.38.0 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 webdriver-0.38.0 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 webdriver-0.38.0
[INFO] finished frobbing webdriver-0.38.0
[INFO] frobbed toml for webdriver-0.38.0 written to work/ex/clippy-test-run/sources/stable/reg/webdriver/0.38.0/Cargo.toml
[INFO] started frobbing webdriver-0.38.0
[INFO] finished frobbing webdriver-0.38.0
[INFO] frobbed toml for webdriver-0.38.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/webdriver/0.38.0/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 webdriver-0.38.0 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/webdriver/0.38.0:/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] abab2c9ac11a238df5e193c907462234b8d6b33e5333f60f10efa4b7a7ffdfb6
[INFO] running `"docker" "start" "-a" "abab2c9ac11a238df5e193c907462234b8d6b33e5333f60f10efa4b7a7ffdfb6"`
[INFO] [stderr]     Checking cookie v0.11.0
[INFO] [stderr]     Checking webdriver v0.38.0 (/opt/crater/workdir)
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]     --> src/command.rs:1028:26
[INFO] [stderr]      |
[INFO] [stderr] 1028 |             script: Some(9007199254740991u64),
[INFO] [stderr]      |                          ^^^^^^^^^^^^^^^^^^^ help: consider: `9_007_199_254_740_991u64`
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Quit`
[INFO] [stderr]   --> src/server.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     Quit,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: avoid using `collect()` when not needed
[INFO] [stderr]   --> src/actions.rs:88:33
[INFO] [stderr]    |
[INFO] [stderr] 88 |         if value.graphemes(true).collect::<Vec<&str>>().len() != 1 {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `.count()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_collect)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_collect
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Quit`
[INFO] [stderr]   --> src/server.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     Quit,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/command.rs:582:20
[INFO] [stderr]     |
[INFO] [stderr] 582 |             if n < i32::min_value() as i64 || n > i32::max_value() as i64 {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(i32::min_value())`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/command.rs:582:51
[INFO] [stderr]     |
[INFO] [stderr] 582 |             if n < i32::min_value() as i64 || n > i32::max_value() as i64 {
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(i32::max_value())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/command.rs:600:29
[INFO] [stderr]     |
[INFO] [stderr] 600 |             if n < 0 || n > i32::max_value() as i64 {
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(i32::max_value())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: avoid using `collect()` when not needed
[INFO] [stderr]   --> src/actions.rs:88:33
[INFO] [stderr]    |
[INFO] [stderr] 88 |         if value.graphemes(true).collect::<Vec<&str>>().len() != 1 {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `.count()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_collect)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_collect
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/error.rs:387:20
[INFO] [stderr]     |
[INFO] [stderr] 387 |         let json = format!(r#""unknown error""#);
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `r#""unknown error""#.to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/command.rs:582:20
[INFO] [stderr]     |
[INFO] [stderr] 582 |             if n < i32::min_value() as i64 || n > i32::max_value() as i64 {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(i32::min_value())`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/command.rs:582:51
[INFO] [stderr]     |
[INFO] [stderr] 582 |             if n < i32::min_value() as i64 || n > i32::max_value() as i64 {
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(i32::max_value())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/command.rs:600:29
[INFO] [stderr]     |
[INFO] [stderr] 600 |             if n < 0 || n > i32::max_value() as i64 {
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(i32::max_value())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.76s
[INFO] running `"docker" "inspect" "abab2c9ac11a238df5e193c907462234b8d6b33e5333f60f10efa4b7a7ffdfb6"`
[INFO] running `"docker" "rm" "-f" "abab2c9ac11a238df5e193c907462234b8d6b33e5333f60f10efa4b7a7ffdfb6"`
[INFO] [stdout] abab2c9ac11a238df5e193c907462234b8d6b33e5333f60f10efa4b7a7ffdfb6