[INFO] updating cached repository hustshawn/rust-iron-demo
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hustshawn/rust-iron-demo
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hustshawn/rust-iron-demo" "work/ex/clippy-test-run/sources/stable/gh/hustshawn/rust-iron-demo"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/hustshawn/rust-iron-demo'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hustshawn/rust-iron-demo" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/hustshawn/rust-iron-demo"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/hustshawn/rust-iron-demo'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8f8107108916d5bed8c0b23adb975fb99cd665ed
[INFO] sha for GitHub repo hustshawn/rust-iron-demo: 8f8107108916d5bed8c0b23adb975fb99cd665ed
[INFO] validating manifest of hustshawn/rust-iron-demo 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 hustshawn/rust-iron-demo 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 hustshawn/rust-iron-demo
[INFO] finished frobbing hustshawn/rust-iron-demo
[INFO] frobbed toml for hustshawn/rust-iron-demo written to work/ex/clippy-test-run/sources/stable/gh/hustshawn/rust-iron-demo/Cargo.toml
[INFO] started frobbing hustshawn/rust-iron-demo
[INFO] finished frobbing hustshawn/rust-iron-demo
[INFO] frobbed toml for hustshawn/rust-iron-demo written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/hustshawn/rust-iron-demo/Cargo.toml
[INFO] crate hustshawn/rust-iron-demo 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 hustshawn/rust-iron-demo against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/hustshawn/rust-iron-demo:/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] 10bf2e20891da50ac87bb037311692dbacc4858c38cfdface6a25e2d2a2a8dd7
[INFO] running `"docker" "start" "-a" "10bf2e20891da50ac87bb037311692dbacc4858c38cfdface6a25e2d2a2a8dd7"`
[INFO] [stderr]     Checking iron v0.5.1
[INFO] [stderr]     Checking router v0.5.1
[INFO] [stderr]     Checking iron-prj v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/main.rs:64:24
[INFO] [stderr]    |
[INFO] [stderr] 64 |         JsonResponse { response: response, success: true, error_message: "".to_string() }
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^ help: replace it with: `response`
[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/main.rs:64:24
[INFO] [stderr]    |
[INFO] [stderr] 64 |         JsonResponse { response: response, success: true, error_message: "".to_string() }
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^ help: replace it with: `response`
[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: unused variable: `req`
[INFO] [stderr]   --> src/main.rs:99:12
[INFO] [stderr]    |
[INFO] [stderr] 99 | fn handler(req: &mut Request) -> IronResult<Response> {
[INFO] [stderr]    |            ^^^ help: consider using `_req` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:88:17
[INFO] [stderr]    |
[INFO] [stderr] 88 |         _ =>    format!("")
[INFO] [stderr]    |                 ^^^^^^^^^^^ help: consider using .to_string(): `"".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: called `ok().expect()` on a Result value. You can call `expect` directly on the `Result`
[INFO] [stderr]    --> src/main.rs:117:13
[INFO] [stderr]     |
[INFO] [stderr] 117 |             json::encode(&response).ok().expect("Error encoding response")
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ok_expect)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ok_expect
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]   --> src/main.rs:99:12
[INFO] [stderr]    |
[INFO] [stderr] 99 | fn handler(req: &mut Request) -> IronResult<Response> {
[INFO] [stderr]    |            ^^^ help: consider using `_req` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:88:17
[INFO] [stderr]    |
[INFO] [stderr] 88 |         _ =>    format!("")
[INFO] [stderr]    |                 ^^^^^^^^^^^ help: consider using .to_string(): `"".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: called `ok().expect()` on a Result value. You can call `expect` directly on the `Result`
[INFO] [stderr]    --> src/main.rs:117:13
[INFO] [stderr]     |
[INFO] [stderr] 117 |             json::encode(&response).ok().expect("Error encoding response")
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ok_expect)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ok_expect
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.32s
[INFO] running `"docker" "inspect" "10bf2e20891da50ac87bb037311692dbacc4858c38cfdface6a25e2d2a2a8dd7"`
[INFO] running `"docker" "rm" "-f" "10bf2e20891da50ac87bb037311692dbacc4858c38cfdface6a25e2d2a2a8dd7"`
[INFO] [stdout] 10bf2e20891da50ac87bb037311692dbacc4858c38cfdface6a25e2d2a2a8dd7