[INFO] updating cached repository VoxWave/Introduction_to_AI_2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/VoxWave/Introduction_to_AI_2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/VoxWave/Introduction_to_AI_2018" "work/ex/clippy-test-run/sources/stable/gh/VoxWave/Introduction_to_AI_2018"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/VoxWave/Introduction_to_AI_2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/VoxWave/Introduction_to_AI_2018" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/VoxWave/Introduction_to_AI_2018"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/VoxWave/Introduction_to_AI_2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a338fcb647cc10682a5da4c02f19cb1a0da6749a
[INFO] sha for GitHub repo VoxWave/Introduction_to_AI_2018: a338fcb647cc10682a5da4c02f19cb1a0da6749a
[INFO] validating manifest of VoxWave/Introduction_to_AI_2018 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 VoxWave/Introduction_to_AI_2018 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 VoxWave/Introduction_to_AI_2018
[INFO] finished frobbing VoxWave/Introduction_to_AI_2018
[INFO] frobbed toml for VoxWave/Introduction_to_AI_2018 written to work/ex/clippy-test-run/sources/stable/gh/VoxWave/Introduction_to_AI_2018/Cargo.toml
[INFO] started frobbing VoxWave/Introduction_to_AI_2018
[INFO] finished frobbing VoxWave/Introduction_to_AI_2018
[INFO] frobbed toml for VoxWave/Introduction_to_AI_2018 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/VoxWave/Introduction_to_AI_2018/Cargo.toml
[INFO] crate VoxWave/Introduction_to_AI_2018 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 VoxWave/Introduction_to_AI_2018 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/VoxWave/Introduction_to_AI_2018:/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] 4b2eff25cbf9be9b86a91857cfe5f331433d4a1b65f03f61512823870e39ff81
[INFO] running `"docker" "start" "-a" "4b2eff25cbf9be9b86a91857cfe5f331433d4a1b65f03f61512823870e39ff81"`
[INFO] [stderr]     Checking ai_kurssi v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/main.rs:41:24
[INFO] [stderr]    |
[INFO] [stderr] 41 |             let stop = stops.get(&stop_code).unwrap();
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&stops[&stop_code]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/main.rs:55:20
[INFO] [stderr]    |
[INFO] [stderr] 55 |     let mut stop = stops.get(&destination).unwrap();
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&stops[&destination]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/main.rs:60:16
[INFO] [stderr]    |
[INFO] [stderr] 60 |         stop = stops.get(parent_id).unwrap();
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&stops[parent_id]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/main.rs:41:24
[INFO] [stderr]    |
[INFO] [stderr] 41 |             let stop = stops.get(&stop_code).unwrap();
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&stops[&stop_code]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/main.rs:55:20
[INFO] [stderr]    |
[INFO] [stderr] 55 |     let mut stop = stops.get(&destination).unwrap();
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&stops[&destination]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/main.rs:60:16
[INFO] [stderr]    |
[INFO] [stderr] 60 |         stop = stops.get(parent_id).unwrap();
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&stops[parent_id]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `"docker" "inspect" "4b2eff25cbf9be9b86a91857cfe5f331433d4a1b65f03f61512823870e39ff81"`
[INFO] running `"docker" "rm" "-f" "4b2eff25cbf9be9b86a91857cfe5f331433d4a1b65f03f61512823870e39ff81"`
[INFO] [stdout] 4b2eff25cbf9be9b86a91857cfe5f331433d4a1b65f03f61512823870e39ff81