[INFO] crate xcore 0.1.3 is already in cache
[INFO] extracting crate xcore 0.1.3 into work/ex/clippy-test-run/sources/stable/reg/xcore/0.1.3
[INFO] extracting crate xcore 0.1.3 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/xcore/0.1.3
[INFO] validating manifest of xcore-0.1.3 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 xcore-0.1.3 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 xcore-0.1.3
[INFO] finished frobbing xcore-0.1.3
[INFO] frobbed toml for xcore-0.1.3 written to work/ex/clippy-test-run/sources/stable/reg/xcore/0.1.3/Cargo.toml
[INFO] started frobbing xcore-0.1.3
[INFO] finished frobbing xcore-0.1.3
[INFO] frobbed toml for xcore-0.1.3 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/xcore/0.1.3/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 xcore-0.1.3 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/xcore/0.1.3:/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] db650e34949cc3af1bfb79ea0ecfc6e3e012004b6c7d8f8120c711d80369b43b
[INFO] running `"docker" "start" "-a" "db650e34949cc3af1bfb79ea0ecfc6e3e012004b6c7d8f8120c711d80369b43b"`
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking xcore v0.1.3 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/epoll_wrapper.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |             fd_list: fd_list,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `fd_list`
[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/epoll_wrapper.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |             fd_list: fd_list,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `fd_list`
[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: length comparison to zero
[INFO] [stderr]   --> src/core_poll.rs:32:12
[INFO] [stderr]    |
[INFO] [stderr] 32 |         if self.list.len() > 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.list.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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/executor.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 | /                 match rx.try_recv() {
[INFO] [stderr] 43 | |                     Ok(ctrl) => {
[INFO] [stderr] 44 | |                         match ctrl {
[INFO] [stderr] 45 | |                             Ctrl::ADD(fd) => {
[INFO] [stderr] ...  |
[INFO] [stderr] 58 | |                     Err(_) => {}
[INFO] [stderr] 59 | |                 }
[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] 42 |                 if let Ok(ctrl) = rx.try_recv() {
[INFO] [stderr] 43 |     match ctrl {
[INFO] [stderr] 44 |         Ctrl::ADD(fd) => {
[INFO] [stderr] 45 |             epoll.add(fd);
[INFO] [stderr] 46 |         }
[INFO] [stderr] 47 |         Ctrl::RM(fd) => {
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/core_poll.rs:32:12
[INFO] [stderr]    |
[INFO] [stderr] 32 |         if self.list.len() > 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.list.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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/executor.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 | /                 match rx.try_recv() {
[INFO] [stderr] 43 | |                     Ok(ctrl) => {
[INFO] [stderr] 44 | |                         match ctrl {
[INFO] [stderr] 45 | |                             Ctrl::ADD(fd) => {
[INFO] [stderr] ...  |
[INFO] [stderr] 58 | |                     Err(_) => {}
[INFO] [stderr] 59 | |                 }
[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] 42 |                 if let Ok(ctrl) = rx.try_recv() {
[INFO] [stderr] 43 |     match ctrl {
[INFO] [stderr] 44 |         Ctrl::ADD(fd) => {
[INFO] [stderr] 45 |             epoll.add(fd);
[INFO] [stderr] 46 |         }
[INFO] [stderr] 47 |         Ctrl::RM(fd) => {
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `"docker" "inspect" "db650e34949cc3af1bfb79ea0ecfc6e3e012004b6c7d8f8120c711d80369b43b"`
[INFO] running `"docker" "rm" "-f" "db650e34949cc3af1bfb79ea0ecfc6e3e012004b6c7d8f8120c711d80369b43b"`
[INFO] [stdout] db650e34949cc3af1bfb79ea0ecfc6e3e012004b6c7d8f8120c711d80369b43b