[INFO] updating cached repository mdaffin/rover-test
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mdaffin/rover-test
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mdaffin/rover-test" "work/ex/clippy-test-run/sources/stable/gh/mdaffin/rover-test"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/mdaffin/rover-test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mdaffin/rover-test" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/mdaffin/rover-test"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/mdaffin/rover-test'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a218aa594b8122ba6d1407a856c847392bcc503f
[INFO] sha for GitHub repo mdaffin/rover-test: a218aa594b8122ba6d1407a856c847392bcc503f
[INFO] validating manifest of mdaffin/rover-test 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 mdaffin/rover-test 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 mdaffin/rover-test
[INFO] finished frobbing mdaffin/rover-test
[INFO] frobbed toml for mdaffin/rover-test written to work/ex/clippy-test-run/sources/stable/gh/mdaffin/rover-test/Cargo.toml
[INFO] started frobbing mdaffin/rover-test
[INFO] finished frobbing mdaffin/rover-test
[INFO] frobbed toml for mdaffin/rover-test written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/mdaffin/rover-test/Cargo.toml
[INFO] crate mdaffin/rover-test 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 mdaffin/rover-test 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/mdaffin/rover-test:/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] 1d0b404eb1d27d0cb16b72f07e3a04eb10fb0c28a984419e519c86f8605faf42
[INFO] running `"docker" "start" "-a" "1d0b404eb1d27d0cb16b72f07e3a04eb10fb0c28a984419e519c86f8605faf42"`
[INFO] [stderr]     Checking conduit-mime-types v0.7.3
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking chan-signal v0.2.0
[INFO] [stderr]     Checking hyper v0.10.5
[INFO] [stderr]     Checking iron v0.5.1
[INFO] [stderr]     Checking router v0.5.1
[INFO] [stderr]     Checking rover-test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: Err(_) will match all errors, maybe not a good idea
[INFO] [stderr]   --> src/main.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         Err(_) => panic!("refence still alive"),
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_wild_err_arm)] on by default
[INFO] [stderr]    = note: to remove this warning, match each error separately or use unreachable macro
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_wild_err_arm
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_speed`
[INFO] [stderr]   --> src/rover.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn get_speed(&self) -> Result<(i8, i8), String> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_speed`
[INFO] [stderr]   --> src/main.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     fn get_speed(_: &mut Request, rover: &Rover) -> IronResult<Response> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: Err(_) will match all errors, maybe not a good idea
[INFO] [stderr]   --> src/main.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         Err(_) => panic!("refence still alive"),
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_wild_err_arm)] on by default
[INFO] [stderr]    = note: to remove this warning, match each error separately or use unreachable macro
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_wild_err_arm
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.74s
[INFO] running `"docker" "inspect" "1d0b404eb1d27d0cb16b72f07e3a04eb10fb0c28a984419e519c86f8605faf42"`
[INFO] running `"docker" "rm" "-f" "1d0b404eb1d27d0cb16b72f07e3a04eb10fb0c28a984419e519c86f8605faf42"`
[INFO] [stdout] 1d0b404eb1d27d0cb16b72f07e3a04eb10fb0c28a984419e519c86f8605faf42