[INFO] updating cached repository cessen/markov_rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cessen/markov_rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cessen/markov_rust" "work/ex/clippy-test-run/sources/stable/gh/cessen/markov_rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/cessen/markov_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cessen/markov_rust" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/cessen/markov_rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/cessen/markov_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e9872ae802dc4e1d948e679dc5831a98550799d5
[INFO] sha for GitHub repo cessen/markov_rust: e9872ae802dc4e1d948e679dc5831a98550799d5
[INFO] validating manifest of cessen/markov_rust 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 cessen/markov_rust 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 cessen/markov_rust
[INFO] finished frobbing cessen/markov_rust
[INFO] frobbed toml for cessen/markov_rust written to work/ex/clippy-test-run/sources/stable/gh/cessen/markov_rust/Cargo.toml
[INFO] started frobbing cessen/markov_rust
[INFO] finished frobbing cessen/markov_rust
[INFO] frobbed toml for cessen/markov_rust written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/cessen/markov_rust/Cargo.toml
[INFO] crate cessen/markov_rust 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 cessen/markov_rust 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/cessen/markov_rust:/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] 8c5f591ee0a08550ab298449a737ed5decf2a2f4d4ed5dff732a3b350583a1b0
[INFO] running `"docker" "start" "-a" "8c5f591ee0a08550ab298449a737ed5decf2a2f4d4ed5dff732a3b350583a1b0"`
[INFO] [stderr]     Checking docopt v0.6.86
[INFO] [stderr]     Checking markov_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/stats.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 59 |             text: text,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `text`
[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/stats.rs:60:13
[INFO] [stderr]    |
[INFO] [stderr] 60 |             stats: stats,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `stats`
[INFO] [stderr]    |
[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/stats.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 59 |             text: text,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `text`
[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/stats.rs:60:13
[INFO] [stderr]    |
[INFO] [stderr] 60 |             stats: stats,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `stats`
[INFO] [stderr]    |
[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: unneeded return statement
[INFO] [stderr]    --> src/stats.rs:110:9
[INFO] [stderr]     |
[INFO] [stderr] 110 |         return None;
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: remove `return` as shown: `None`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/main.rs:18:15
[INFO] [stderr]    |
[INFO] [stderr] 18 | const USAGE: &'static str = r"
[INFO] [stderr]    |              -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/stats.rs:110:9
[INFO] [stderr]     |
[INFO] [stderr] 110 |         return None;
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: remove `return` as shown: `None`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/main.rs:18:15
[INFO] [stderr]    |
[INFO] [stderr] 18 | const USAGE: &'static str = r"
[INFO] [stderr]    |              -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/stats.rs:23:20
[INFO] [stderr]    |
[INFO] [stderr] 23 |         for ord in 0..(max_order + 1) {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^ help: use: `0..=max_order`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/stats.rs:32:41
[INFO] [stderr]    |
[INFO] [stderr] 32 |                         .or_insert_with(|| HashMap::new())
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^ help: remove closure as shown: `HashMap::new`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_none()`
[INFO] [stderr]   --> src/main.rs:80:12
[INFO] [stderr]    |
[INFO] [stderr] 80 |       if let None = args.arg_output {
[INFO] [stderr]    |  _____-      ^^^^
[INFO] [stderr] 81 | |         println!("----------------");
[INFO] [stderr] 82 | |     }
[INFO] [stderr]    | |_____- help: try this: `if args.arg_output.is_none()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/stats.rs:23:20
[INFO] [stderr]    |
[INFO] [stderr] 23 |         for ord in 0..(max_order + 1) {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^ help: use: `0..=max_order`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/stats.rs:32:41
[INFO] [stderr]    |
[INFO] [stderr] 32 |                         .or_insert_with(|| HashMap::new())
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^ help: remove closure as shown: `HashMap::new`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_none()`
[INFO] [stderr]   --> src/main.rs:80:12
[INFO] [stderr]    |
[INFO] [stderr] 80 |       if let None = args.arg_output {
[INFO] [stderr]    |  _____-      ^^^^
[INFO] [stderr] 81 | |         println!("----------------");
[INFO] [stderr] 82 | |     }
[INFO] [stderr]    | |_____- help: try this: `if args.arg_output.is_none()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.22s
[INFO] running `"docker" "inspect" "8c5f591ee0a08550ab298449a737ed5decf2a2f4d4ed5dff732a3b350583a1b0"`
[INFO] running `"docker" "rm" "-f" "8c5f591ee0a08550ab298449a737ed5decf2a2f4d4ed5dff732a3b350583a1b0"`
[INFO] [stdout] 8c5f591ee0a08550ab298449a737ed5decf2a2f4d4ed5dff732a3b350583a1b0