[INFO] updating cached repository LeopoldArkham/basic_echo
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/LeopoldArkham/basic_echo
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/LeopoldArkham/basic_echo" "work/ex/clippy-test-run/sources/stable/gh/LeopoldArkham/basic_echo"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/LeopoldArkham/basic_echo'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/LeopoldArkham/basic_echo" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/LeopoldArkham/basic_echo"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/LeopoldArkham/basic_echo'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7bbb31dd7534b811f316f8b17695835a56e71398
[INFO] sha for GitHub repo LeopoldArkham/basic_echo: 7bbb31dd7534b811f316f8b17695835a56e71398
[INFO] validating manifest of LeopoldArkham/basic_echo 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 LeopoldArkham/basic_echo 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 LeopoldArkham/basic_echo
[INFO] finished frobbing LeopoldArkham/basic_echo
[INFO] frobbed toml for LeopoldArkham/basic_echo written to work/ex/clippy-test-run/sources/stable/gh/LeopoldArkham/basic_echo/Cargo.toml
[INFO] started frobbing LeopoldArkham/basic_echo
[INFO] finished frobbing LeopoldArkham/basic_echo
[INFO] frobbed toml for LeopoldArkham/basic_echo written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/LeopoldArkham/basic_echo/Cargo.toml
[INFO] crate LeopoldArkham/basic_echo 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 LeopoldArkham/basic_echo against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/LeopoldArkham/basic_echo:/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 -Dclippy::into_iter_on_array" "-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] 96fa902b6d3cb815963bf390b3433d8d594750534471c3dc369a5e7e4ca7c944
[INFO] running `"docker" "start" "-a" "96fa902b6d3cb815963bf390b3433d8d594750534471c3dc369a5e7e4ca7c944"`
[INFO] [stderr]     Checking basic_echo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/main.rs:16:30
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let port = args().nth(1).unwrap_or("8080".into());
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| "8080".into())`
[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:16:30
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let port = args().nth(1).unwrap_or("8080".into());
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| "8080".into())`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "96fa902b6d3cb815963bf390b3433d8d594750534471c3dc369a5e7e4ca7c944"`
[INFO] running `"docker" "rm" "-f" "96fa902b6d3cb815963bf390b3433d8d594750534471c3dc369a5e7e4ca7c944"`
[INFO] [stdout] 96fa902b6d3cb815963bf390b3433d8d594750534471c3dc369a5e7e4ca7c944