[INFO] updating cached repository xoac/u8-selector
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/xoac/u8-selector
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/xoac/u8-selector" "work/ex/clippy-test-run/sources/stable/gh/xoac/u8-selector"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/xoac/u8-selector'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/xoac/u8-selector" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/xoac/u8-selector"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/xoac/u8-selector'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 75b9870d863afe15d3cd7f39105884323b2c15f3
[INFO] sha for GitHub repo xoac/u8-selector: 75b9870d863afe15d3cd7f39105884323b2c15f3
[INFO] validating manifest of xoac/u8-selector 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 xoac/u8-selector 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 xoac/u8-selector
[INFO] finished frobbing xoac/u8-selector
[INFO] frobbed toml for xoac/u8-selector written to work/ex/clippy-test-run/sources/stable/gh/xoac/u8-selector/Cargo.toml
[INFO] started frobbing xoac/u8-selector
[INFO] finished frobbing xoac/u8-selector
[INFO] frobbed toml for xoac/u8-selector written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/xoac/u8-selector/Cargo.toml
[INFO] crate xoac/u8-selector 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 xoac/u8-selector 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/gh/xoac/u8-selector:/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] 31c59d72357fc71b59759544e9c297c0d8e763a32cf3253a650701aa80378449
[INFO] running `"docker" "start" "-a" "31c59d72357fc71b59759544e9c297c0d8e763a32cf3253a650701aa80378449"`
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]     Checking termcolor v0.3.6
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking log v0.4.2
[INFO] [stderr]     Checking regex-syntax v0.6.1
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking crossbeam-epoch v0.4.3
[INFO] [stderr]     Checking tokio-timer v0.2.4
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]     Checking tokio-io v0.1.7
[INFO] [stderr]     Checking crossbeam-deque v0.3.1
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.4
[INFO] [stderr]     Checking tokio-codec v0.1.0
[INFO] [stderr]     Checking tokio-reactor v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.1
[INFO] [stderr]     Checking tokio-udp v0.1.1
[INFO] [stderr]     Checking tokio-tcp v0.1.0
[INFO] [stderr]     Checking tokio v0.1.7
[INFO] [stderr]     Checking regex v1.0.0
[INFO] [stderr]     Checking env_logger v0.5.10
[INFO] [stderr]     Checking pretty_env_logger v0.2.3
[INFO] [stderr]     Checking serialport v2.3.0
[INFO] [stderr]     Checking mio-serial v0.8.0
[INFO] [stderr]     Checking tokio-serial v0.8.0
[INFO] [stderr]     Checking u8-selector v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lib.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |             socket: socket,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `socket`
[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:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |             socket: socket,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `socket`
[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/lib.rs:87:12
[INFO] [stderr]    |
[INFO] [stderr] 87 |         if self.rd.len() > 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.rd.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: this loop could be written as a `while let` loop
[INFO] [stderr]    --> src/lib.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 | /         loop {
[INFO] [stderr] 149 | |             match self.rx.poll().unwrap() {
[INFO] [stderr] 150 | |                 Async::Ready(Some(v)) => {
[INFO] [stderr] 151 | |                     // Buffer the line. Once all lines are buffered, they will
[INFO] [stderr] ...   |
[INFO] [stderr] 156 | |             }
[INFO] [stderr] 157 | |         }
[INFO] [stderr]     | |_________^ help: try: `while let Async::Ready(Some(v)) = self.rx.poll().unwrap() { .. }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::while_let_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_loop
[INFO] [stderr] 
[INFO] [stderr] error: this loop never actually loops
[INFO] [stderr]    --> src/lib.rs:189:9
[INFO] [stderr]     |
[INFO] [stderr] 189 | /         while let Ok(Async::Ready(v)) = self.rx.poll() {
[INFO] [stderr] 190 | |             if let Some(v) = v {
[INFO] [stderr] 191 | |                 return Ok(Async::Ready(Some((v, self.tx.clone()))));
[INFO] [stderr] 192 | |             } else {
[INFO] [stderr] 193 | |                 return Ok(Async::Ready(None));
[INFO] [stderr] 194 | |             }
[INFO] [stderr] 195 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::never_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#never_loop
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `u8-selector`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/lib.rs:87:12
[INFO] [stderr]    |
[INFO] [stderr] 87 |         if self.rd.len() > 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.rd.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: this loop could be written as a `while let` loop
[INFO] [stderr]    --> src/lib.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 | /         loop {
[INFO] [stderr] 149 | |             match self.rx.poll().unwrap() {
[INFO] [stderr] 150 | |                 Async::Ready(Some(v)) => {
[INFO] [stderr] 151 | |                     // Buffer the line. Once all lines are buffered, they will
[INFO] [stderr] ...   |
[INFO] [stderr] 156 | |             }
[INFO] [stderr] 157 | |         }
[INFO] [stderr]     | |_________^ help: try: `while let Async::Ready(Some(v)) = self.rx.poll().unwrap() { .. }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::while_let_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_loop
[INFO] [stderr] 
[INFO] [stderr] error: this loop never actually loops
[INFO] [stderr]    --> src/lib.rs:189:9
[INFO] [stderr]     |
[INFO] [stderr] 189 | /         while let Ok(Async::Ready(v)) = self.rx.poll() {
[INFO] [stderr] 190 | |             if let Some(v) = v {
[INFO] [stderr] 191 | |                 return Ok(Async::Ready(Some((v, self.tx.clone()))));
[INFO] [stderr] 192 | |             } else {
[INFO] [stderr] 193 | |                 return Ok(Async::Ready(None));
[INFO] [stderr] 194 | |             }
[INFO] [stderr] 195 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::never_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#never_loop
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `u8-selector`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "31c59d72357fc71b59759544e9c297c0d8e763a32cf3253a650701aa80378449"`
[INFO] running `"docker" "rm" "-f" "31c59d72357fc71b59759544e9c297c0d8e763a32cf3253a650701aa80378449"`
[INFO] [stdout] 31c59d72357fc71b59759544e9c297c0d8e763a32cf3253a650701aa80378449