[INFO] updating cached repository AspenJames/markov-chain-text
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/AspenJames/markov-chain-text
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/AspenJames/markov-chain-text" "work/ex/clippy-test-run/sources/stable/gh/AspenJames/markov-chain-text"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/AspenJames/markov-chain-text'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AspenJames/markov-chain-text" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/AspenJames/markov-chain-text"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/AspenJames/markov-chain-text'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c5286f3834873388b9c7db8f8f3bcaf9642ff096
[INFO] sha for GitHub repo AspenJames/markov-chain-text: c5286f3834873388b9c7db8f8f3bcaf9642ff096
[INFO] validating manifest of AspenJames/markov-chain-text 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 AspenJames/markov-chain-text 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 AspenJames/markov-chain-text
[INFO] finished frobbing AspenJames/markov-chain-text
[INFO] frobbed toml for AspenJames/markov-chain-text written to work/ex/clippy-test-run/sources/stable/gh/AspenJames/markov-chain-text/Cargo.toml
[INFO] started frobbing AspenJames/markov-chain-text
[INFO] finished frobbing AspenJames/markov-chain-text
[INFO] frobbed toml for AspenJames/markov-chain-text written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/AspenJames/markov-chain-text/Cargo.toml
[INFO] crate AspenJames/markov-chain-text 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 AspenJames/markov-chain-text 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/AspenJames/markov-chain-text:/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] 3c3868f17dfb366f0d9b10e38ebf54d1fbfd34f14088cc7ce00bb0897710729f
[INFO] running `"docker" "start" "-a" "3c3868f17dfb366f0d9b10e38ebf54d1fbfd34f14088cc7ce00bb0897710729f"`
[INFO] [stderr]     Checking markov v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]   --> src/main.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     println!("");
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]   --> src/main.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     println!("");
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or_insert` followed by a function call
[INFO] [stderr]   --> src/main.rs:26:32
[INFO] [stderr]    |
[INFO] [stderr] 26 |         stats.entry(prev_word).or_insert(HashMap::new())
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(HashMap::new)`
[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 `or_insert` followed by a function call
[INFO] [stderr]   --> src/main.rs:26:32
[INFO] [stderr]    |
[INFO] [stderr] 26 |         stats.entry(prev_word).or_insert(HashMap::new())
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(HashMap::new)`
[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 0.94s
[INFO] running `"docker" "inspect" "3c3868f17dfb366f0d9b10e38ebf54d1fbfd34f14088cc7ce00bb0897710729f"`
[INFO] running `"docker" "rm" "-f" "3c3868f17dfb366f0d9b10e38ebf54d1fbfd34f14088cc7ce00bb0897710729f"`
[INFO] [stdout] 3c3868f17dfb366f0d9b10e38ebf54d1fbfd34f14088cc7ce00bb0897710729f