[INFO] updating cached repository soutokevin/lang
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/soutokevin/lang
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/soutokevin/lang" "work/ex/clippy-test-run/sources/stable/gh/soutokevin/lang"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/soutokevin/lang'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/soutokevin/lang" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/soutokevin/lang"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/soutokevin/lang'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 623c63e5fe8023ae9c7f4b44e6c469348031918f
[INFO] sha for GitHub repo soutokevin/lang: 623c63e5fe8023ae9c7f4b44e6c469348031918f
[INFO] validating manifest of soutokevin/lang 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 soutokevin/lang 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 soutokevin/lang
[INFO] finished frobbing soutokevin/lang
[INFO] frobbed toml for soutokevin/lang written to work/ex/clippy-test-run/sources/stable/gh/soutokevin/lang/Cargo.toml
[INFO] started frobbing soutokevin/lang
[INFO] finished frobbing soutokevin/lang
[INFO] frobbed toml for soutokevin/lang written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/soutokevin/lang/Cargo.toml
[INFO] crate soutokevin/lang has a lockfile. skipping
[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 soutokevin/lang 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/gh/soutokevin/lang:/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] 413039a41b922142bee62e9d9407ffbffbdfcbef3cf4faddd71935042708a8ff
[INFO] running `"docker" "start" "-a" "413039a41b922142bee62e9d9407ffbffbdfcbef3cf4faddd71935042708a8ff"`
[INFO] [stderr]     Checking lang v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lexer.rs:108:12
[INFO] [stderr]     |
[INFO] [stderr] 108 |         if self.code.len() != 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.code.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lexer.rs:207:12
[INFO] [stderr]     |
[INFO] [stderr] 207 |         if number.len() != 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!number.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lexer.rs:221:12
[INFO] [stderr]     |
[INFO] [stderr] 221 |         if identifier.len() != 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!identifier.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lexer.rs:108:12
[INFO] [stderr]     |
[INFO] [stderr] 108 |         if self.code.len() != 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.code.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: called `skip(x).next()` on an iterator. This is more succinctly expressed by calling `nth(x)`
[INFO] [stderr]   --> src/main.rs:27:11
[INFO] [stderr]    |
[INFO] [stderr] 27 |     match args().skip(1).next() {
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lexer.rs:207:12
[INFO] [stderr]     |
[INFO] [stderr] 207 |         if number.len() != 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!number.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lexer.rs:221:12
[INFO] [stderr]     |
[INFO] [stderr] 221 |         if identifier.len() != 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!identifier.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::iter_skip_next)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_skip_next
[INFO] [stderr] 
[INFO] [stderr] warning: called `skip(x).next()` on an iterator. This is more succinctly expressed by calling `nth(x)`
[INFO] [stderr]   --> src/main.rs:27:11
[INFO] [stderr]    |
[INFO] [stderr] 27 |     match args().skip(1).next() {
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::iter_skip_next)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_skip_next
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `"docker" "inspect" "413039a41b922142bee62e9d9407ffbffbdfcbef3cf4faddd71935042708a8ff"`
[INFO] running `"docker" "rm" "-f" "413039a41b922142bee62e9d9407ffbffbdfcbef3cf4faddd71935042708a8ff"`
[INFO] [stdout] 413039a41b922142bee62e9d9407ffbffbdfcbef3cf4faddd71935042708a8ff