[INFO] updating cached repository matsumotory/middlecon
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/matsumotory/middlecon
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/matsumotory/middlecon" "work/ex/clippy-test-run/sources/stable/gh/matsumotory/middlecon"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/matsumotory/middlecon'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/matsumotory/middlecon" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/matsumotory/middlecon"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/matsumotory/middlecon'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 01b7d8d5af8f0bdbba5c2b185a01a9ef341ac928
[INFO] sha for GitHub repo matsumotory/middlecon: 01b7d8d5af8f0bdbba5c2b185a01a9ef341ac928
[INFO] validating manifest of matsumotory/middlecon 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 matsumotory/middlecon 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 matsumotory/middlecon
[INFO] finished frobbing matsumotory/middlecon
[INFO] frobbed toml for matsumotory/middlecon written to work/ex/clippy-test-run/sources/stable/gh/matsumotory/middlecon/Cargo.toml
[INFO] started frobbing matsumotory/middlecon
[INFO] finished frobbing matsumotory/middlecon
[INFO] frobbed toml for matsumotory/middlecon written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/matsumotory/middlecon/Cargo.toml
[INFO] crate matsumotory/middlecon 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 matsumotory/middlecon 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/matsumotory/middlecon:/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] 55025655b9074116cad14a75d319f14af8354b3fd7e7076c38d15e8354cfcbc1
[INFO] running `"docker" "start" "-a" "55025655b9074116cad14a75d319f14af8354b3fd7e7076c38d15e8354cfcbc1"`
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking crossbeam-deque v0.6.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.8
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking middlecon v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/main.rs:26:10
[INFO] [stderr]    |
[INFO] [stderr] 26 |         .unwrap_or("127.0.0.1:8080".to_string());
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| "127.0.0.1:8080".to_string())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/main.rs:32:10
[INFO] [stderr]    |
[INFO] [stderr] 32 |         .unwrap_or(num_cpus::get());
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(num_cpus::get)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/main.rs:82:57
[INFO] [stderr]    |
[INFO] [stderr] 82 |             let line = line.and_then(|(reader, vec)| if vec.len() == 0 {
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `vec.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: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/main.rs:26:10
[INFO] [stderr]    |
[INFO] [stderr] 26 |         .unwrap_or("127.0.0.1:8080".to_string());
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| "127.0.0.1:8080".to_string())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/main.rs:32:10
[INFO] [stderr]    |
[INFO] [stderr] 32 |         .unwrap_or(num_cpus::get());
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(num_cpus::get)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/main.rs:82:57
[INFO] [stderr]    |
[INFO] [stderr] 82 |             let line = line.and_then(|(reader, vec)| if vec.len() == 0 {
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `vec.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]     Finished dev [unoptimized + debuginfo] target(s) in 10.61s
[INFO] running `"docker" "inspect" "55025655b9074116cad14a75d319f14af8354b3fd7e7076c38d15e8354cfcbc1"`
[INFO] running `"docker" "rm" "-f" "55025655b9074116cad14a75d319f14af8354b3fd7e7076c38d15e8354cfcbc1"`
[INFO] [stdout] 55025655b9074116cad14a75d319f14af8354b3fd7e7076c38d15e8354cfcbc1