[INFO] updating cached repository YushiOMOTE/rrpc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/YushiOMOTE/rrpc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/YushiOMOTE/rrpc" "work/ex/clippy-test-run/sources/stable/gh/YushiOMOTE/rrpc"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/YushiOMOTE/rrpc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/YushiOMOTE/rrpc" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/YushiOMOTE/rrpc"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/YushiOMOTE/rrpc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c056b2ff607f9dca8224ed99f869b94c28d9c439
[INFO] sha for GitHub repo YushiOMOTE/rrpc: c056b2ff607f9dca8224ed99f869b94c28d9c439
[INFO] validating manifest of YushiOMOTE/rrpc 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 YushiOMOTE/rrpc 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 YushiOMOTE/rrpc
[INFO] finished frobbing YushiOMOTE/rrpc
[INFO] frobbed toml for YushiOMOTE/rrpc written to work/ex/clippy-test-run/sources/stable/gh/YushiOMOTE/rrpc/Cargo.toml
[INFO] started frobbing YushiOMOTE/rrpc
[INFO] finished frobbing YushiOMOTE/rrpc
[INFO] frobbed toml for YushiOMOTE/rrpc written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/YushiOMOTE/rrpc/Cargo.toml
[INFO] crate YushiOMOTE/rrpc 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 YushiOMOTE/rrpc 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/YushiOMOTE/rrpc:/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] 570f1aa830d2282e5b1bb258dbd85a8beff3ba59fa513b804d08a385c7b47315
[INFO] running `"docker" "start" "-a" "570f1aa830d2282e5b1bb258dbd85a8beff3ba59fa513b804d08a385c7b47315"`
[INFO] [stderr]    Compiling pest v2.0.1
[INFO] [stderr]    Compiling pest_meta v2.0.3
[INFO] [stderr]    Compiling pest_generator v2.0.0
[INFO] [stderr]    Compiling pest_derive v2.0.1
[INFO] [stderr]     Checking tera v0.11.18
[INFO] [stderr]     Checking rrpc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/loader.rs:26:49
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let mut file = File::open(path).map_err(|e| error::file_error(e))?;
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `error::file_error`
[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 closure found
[INFO] [stderr]   --> src/loader.rs:29:22
[INFO] [stderr]    |
[INFO] [stderr] 29 |             .map_err(|e| error::file_error(e))?;
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `error::file_error`
[INFO] [stderr]    |
[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 closure found
[INFO] [stderr]   --> src/loader.rs:37:48
[INFO] [stderr]    |
[INFO] [stderr] 37 |         let path = path.canonicalize().map_err(|e| error::file_error(e))?;
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `error::file_error`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/loader.rs:60:14
[INFO] [stderr]    |
[INFO] [stderr] 60 |             .unwrap_or("".into())
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| "".into())`
[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 `ok_or` followed by a function call
[INFO] [stderr]   --> src/resolver.rs:28:14
[INFO] [stderr]    |
[INFO] [stderr] 28 |             .ok_or(error::type_not_found(path))
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| error::type_not_found(path))`
[INFO] [stderr]    |
[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 `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/resolver.rs:74:47
[INFO] [stderr]    |
[INFO] [stderr] 74 |         debug!("Exited to namespace: {}", _ns.unwrap_or("".into()));
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| "".into())`
[INFO] [stderr]    |
[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: redundant closure found
[INFO] [stderr]   --> src/parser.rs:44:45
[INFO] [stderr]    |
[INFO] [stderr] 44 |     RpcParser::parse(Rule::File, s).map_err(|e| error::parse_error(e))
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `error::parse_error`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/generator.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |         ident.into(),
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: consider removing `.into()`: `ident`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/loader.rs:26:49
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let mut file = File::open(path).map_err(|e| error::file_error(e))?;
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `error::file_error`
[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 closure found
[INFO] [stderr]   --> src/loader.rs:29:22
[INFO] [stderr]    |
[INFO] [stderr] 29 |             .map_err(|e| error::file_error(e))?;
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `error::file_error`
[INFO] [stderr]    |
[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 closure found
[INFO] [stderr]   --> src/loader.rs:37:48
[INFO] [stderr]    |
[INFO] [stderr] 37 |         let path = path.canonicalize().map_err(|e| error::file_error(e))?;
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `error::file_error`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/loader.rs:60:14
[INFO] [stderr]    |
[INFO] [stderr] 60 |             .unwrap_or("".into())
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| "".into())`
[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 `unwrap_or` followed by a call to `new`
[INFO] [stderr]    --> src/generator.rs:318:13
[INFO] [stderr]     |
[INFO] [stderr] 318 |             r.unwrap_or(Vec::new()),
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `r.unwrap_or_default()`
[INFO] [stderr]     |
[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 `ok_or` followed by a function call
[INFO] [stderr]   --> src/lang/mod.rs:80:10
[INFO] [stderr]    |
[INFO] [stderr] 80 |         .ok_or(error::generator_not_found(key))
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| error::generator_not_found(key))`
[INFO] [stderr]    |
[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: You are using an explicit closure for cloning elements
[INFO] [stderr]   --> src/lang/mod.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 | /     LANG_GENERATORS
[INFO] [stderr] 76 | |         .lock()
[INFO] [stderr] 77 | |         .unwrap()
[INFO] [stderr] 78 | |         .get(key)
[INFO] [stderr] 79 | |         .map(|v| v.clone())
[INFO] [stderr]    | |___________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] help: Consider calling the dedicated `cloned` method
[INFO] [stderr]    |
[INFO] [stderr] 75 |     LANG_GENERATORS
[INFO] [stderr] 76 |         .lock()
[INFO] [stderr] 77 |         .unwrap()
[INFO] [stderr] 78 |         .get(key).cloned()
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/render.rs:22:18
[INFO] [stderr]    |
[INFO] [stderr] 22 |         .map_err(|e| error::render_error(e))
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `error::render_error`
[INFO] [stderr]    |
[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 closure found
[INFO] [stderr]  --> src/utils.rs:6:47
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let cwd = std::env::current_dir().map_err(|e| error::file_error(e))?;
[INFO] [stderr]   |                                               ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `error::file_error`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]   --> src/utils.rs:14:10
[INFO] [stderr]    |
[INFO] [stderr] 14 |         .ok_or(error::file_error("Couldn't determine namespace"))
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| error::file_error("Couldn't determine namespace"))`
[INFO] [stderr]    |
[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: redundant closure found
[INFO] [stderr]   --> src/lib.rs:44:53
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let model = serde_json::to_value(model).map_err(|e| error::pack_error(e))?;
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `error::pack_error`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/lib.rs:48:34
[INFO] [stderr]    |
[INFO] [stderr] 48 |         to_string_pretty(&model).unwrap_or("".to_string())
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| "".to_string())`
[INFO] [stderr]    |
[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 `ok_or` followed by a function call
[INFO] [stderr]   --> src/resolver.rs:28:14
[INFO] [stderr]    |
[INFO] [stderr] 28 |             .ok_or(error::type_not_found(path))
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| error::type_not_found(path))`
[INFO] [stderr]    |
[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 `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/resolver.rs:74:47
[INFO] [stderr]    |
[INFO] [stderr] 74 |         debug!("Exited to namespace: {}", _ns.unwrap_or("".into()));
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| "".into())`
[INFO] [stderr]    |
[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: redundant closure found
[INFO] [stderr]   --> src/parser.rs:44:45
[INFO] [stderr]    |
[INFO] [stderr] 44 |     RpcParser::parse(Rule::File, s).map_err(|e| error::parse_error(e))
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `error::parse_error`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/generator.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |         ident.into(),
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: consider removing `.into()`: `ident`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a call to `new`
[INFO] [stderr]    --> src/generator.rs:318:13
[INFO] [stderr]     |
[INFO] [stderr] 318 |             r.unwrap_or(Vec::new()),
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `r.unwrap_or_default()`
[INFO] [stderr]     |
[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 `ok_or` followed by a function call
[INFO] [stderr]   --> src/lang/mod.rs:80:10
[INFO] [stderr]    |
[INFO] [stderr] 80 |         .ok_or(error::generator_not_found(key))
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| error::generator_not_found(key))`
[INFO] [stderr]    |
[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: You are using an explicit closure for cloning elements
[INFO] [stderr]   --> src/lang/mod.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 | /     LANG_GENERATORS
[INFO] [stderr] 76 | |         .lock()
[INFO] [stderr] 77 | |         .unwrap()
[INFO] [stderr] 78 | |         .get(key)
[INFO] [stderr] 79 | |         .map(|v| v.clone())
[INFO] [stderr]    | |___________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] help: Consider calling the dedicated `cloned` method
[INFO] [stderr]    |
[INFO] [stderr] 75 |     LANG_GENERATORS
[INFO] [stderr] 76 |         .lock()
[INFO] [stderr] 77 |         .unwrap()
[INFO] [stderr] 78 |         .get(key).cloned()
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/render.rs:22:18
[INFO] [stderr]    |
[INFO] [stderr] 22 |         .map_err(|e| error::render_error(e))
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `error::render_error`
[INFO] [stderr]    |
[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 closure found
[INFO] [stderr]  --> src/utils.rs:6:47
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let cwd = std::env::current_dir().map_err(|e| error::file_error(e))?;
[INFO] [stderr]   |                                               ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `error::file_error`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]   --> src/utils.rs:14:10
[INFO] [stderr]    |
[INFO] [stderr] 14 |         .ok_or(error::file_error("Couldn't determine namespace"))
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| error::file_error("Couldn't determine namespace"))`
[INFO] [stderr]    |
[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: redundant closure found
[INFO] [stderr]   --> src/lib.rs:44:53
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let model = serde_json::to_value(model).map_err(|e| error::pack_error(e))?;
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `error::pack_error`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/lib.rs:48:34
[INFO] [stderr]    |
[INFO] [stderr] 48 |         to_string_pretty(&model).unwrap_or("".to_string())
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| "".to_string())`
[INFO] [stderr]    |
[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 33.38s
[INFO] running `"docker" "inspect" "570f1aa830d2282e5b1bb258dbd85a8beff3ba59fa513b804d08a385c7b47315"`
[INFO] running `"docker" "rm" "-f" "570f1aa830d2282e5b1bb258dbd85a8beff3ba59fa513b804d08a385c7b47315"`
[INFO] [stdout] 570f1aa830d2282e5b1bb258dbd85a8beff3ba59fa513b804d08a385c7b47315