[INFO] updating cached repository ognarb/reddit-bot-rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/ognarb/reddit-bot-rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/ognarb/reddit-bot-rust" "work/ex/clippy-test-run/sources/stable/gh/ognarb/reddit-bot-rust"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/ognarb/reddit-bot-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/ognarb/reddit-bot-rust" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ognarb/reddit-bot-rust"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ognarb/reddit-bot-rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8c7076171f1cdfac16854c132b31cc33905c051e [INFO] sha for GitHub repo ognarb/reddit-bot-rust: 8c7076171f1cdfac16854c132b31cc33905c051e [INFO] validating manifest of ognarb/reddit-bot-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 ognarb/reddit-bot-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 ognarb/reddit-bot-rust [INFO] finished frobbing ognarb/reddit-bot-rust [INFO] frobbed toml for ognarb/reddit-bot-rust written to work/ex/clippy-test-run/sources/stable/gh/ognarb/reddit-bot-rust/Cargo.toml [INFO] started frobbing ognarb/reddit-bot-rust [INFO] finished frobbing ognarb/reddit-bot-rust [INFO] frobbed toml for ognarb/reddit-bot-rust written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ognarb/reddit-bot-rust/Cargo.toml [INFO] crate ognarb/reddit-bot-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 ognarb/reddit-bot-rust against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/ognarb/reddit-bot-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] b1969ed4a516449527ed0a7ba72a3ae0315a29f6446cd04c61734af2c8120e21 [INFO] running `"docker" "start" "-a" "b1969ed4a516449527ed0a7ba72a3ae0315a29f6446cd04c61734af2c8120e21"` [INFO] [stderr] Checking itoa v0.4.0 [INFO] [stderr] Checking open v1.2.1 [INFO] [stderr] Checking tokio-service v0.1.0 [INFO] [stderr] Checking relay v0.1.1 [INFO] [stderr] Compiling openssl-sys v0.9.27 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking failure v0.1.1 [INFO] [stderr] Checking tokio-proto v0.1.1 [INFO] [stderr] Checking chrono v0.4.0 [INFO] [stderr] Checking serde_json v1.0.13 [INFO] [stderr] Compiling openssl v0.9.24 [INFO] [stderr] Checking hyper v0.11.22 [INFO] [stderr] Checking native-tls v0.1.5 [INFO] [stderr] Checking tokio-tls v0.1.4 [INFO] [stderr] Checking hyper-tls v0.1.3 [INFO] [stderr] Checking orca v0.5.0 [INFO] [stderr] Checking reddit v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead [INFO] [stderr] --> src/main.rs:45:13 [INFO] [stderr] | [INFO] [stderr] 45 | write!(f, "{} times {}\n", occurences, word); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::write_with_newline)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline [INFO] [stderr] [INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead [INFO] [stderr] --> src/main.rs:47:9 [INFO] [stderr] | [INFO] [stderr] 47 | write!(f, "Analysed {} Words!\n", self.1) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline [INFO] [stderr] [INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead [INFO] [stderr] --> src/main.rs:45:13 [INFO] [stderr] | [INFO] [stderr] 45 | write!(f, "{} times {}\n", occurences, word); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::write_with_newline)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline [INFO] [stderr] [INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead [INFO] [stderr] --> src/main.rs:47:9 [INFO] [stderr] | [INFO] [stderr] 47 | write!(f, "Analysed {} Words!\n", self.1) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cmp::Ordering` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::cmp::Ordering; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cmp::Ordering` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::cmp::Ordering; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: static item is never used: `UPDATE_INTERVAL_IN_SECONDS` [INFO] [stderr] --> src/main.rs:14:1 [INFO] [stderr] | [INFO] [stderr] 14 | static UPDATE_INTERVAL_IN_SECONDS : u64 = 3; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: static item is never used: `TESTING` [INFO] [stderr] --> src/main.rs:15:1 [INFO] [stderr] | [INFO] [stderr] 15 | static TESTING : bool = true; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `DatabaseEntry` [INFO] [stderr] --> src/main.rs:25:1 [INFO] [stderr] | [INFO] [stderr] 25 | struct DatabaseEntry (HashMap, i64); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/main.rs:37:5 [INFO] [stderr] | [INFO] [stderr] 37 | fn new() -> Database { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `between` [INFO] [stderr] --> src/main.rs:51:1 [INFO] [stderr] | [INFO] [stderr] 51 | fn between(c:&char, a: char, b: char) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `add_word_to_database` [INFO] [stderr] --> src/main.rs:55:1 [INFO] [stderr] | [INFO] [stderr] 55 | fn add_word_to_database <'a> (word: String, subreddit:&String, mut database:Database) -> Database { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `add_to_database` [INFO] [stderr] --> src/main.rs:68:1 [INFO] [stderr] | [INFO] [stderr] 68 | fn add_to_database (comment: Comment, data:Database) -> Database { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `analyse_last_n_comments` [INFO] [stderr] --> src/main.rs:75:1 [INFO] [stderr] | [INFO] [stderr] 75 | fn analyse_last_n_comments(n: usize, reddit:App) -> Database { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `polling` [INFO] [stderr] --> src/main.rs:95:1 [INFO] [stderr] | [INFO] [stderr] 95 | fn polling(reddit:App) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:45:13 [INFO] [stderr] | [INFO] [stderr] 45 | write!(f, "{} times {}\n", occurences, word); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value [INFO] [stderr] --> src/main.rs:51:14 [INFO] [stderr] | [INFO] [stderr] 51 | fn between(c:&char, a: char, b: char) -> bool { [INFO] [stderr] | ^^^^^ help: consider passing by value instead: `char` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref [INFO] [stderr] [INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do. [INFO] [stderr] --> src/main.rs:55:55 [INFO] [stderr] | [INFO] [stderr] 55 | fn add_word_to_database <'a> (word: String, subreddit:&String, mut database:Database) -> Database { [INFO] [stderr] | ^^^^^^^ help: change this to: `&str` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::ptr_arg)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg [INFO] [stderr] [INFO] [stderr] warning: this lifetime isn't used in the function definition [INFO] [stderr] --> src/main.rs:55:26 [INFO] [stderr] | [INFO] [stderr] 55 | fn add_word_to_database <'a> (word: String, subreddit:&String, mut database:Database) -> Database { [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::extra_unused_lifetimes)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes [INFO] [stderr] [INFO] [stderr] warning: identical conversion [INFO] [stderr] --> src/main.rs:58:22 [INFO] [stderr] | [INFO] [stderr] 58 | let clean_word = String::from(word.trim_matches( | c | !(between(&c,'a','z') || between(&c,'A', 'Z') || between(&c, '0', '9'))).to_lowercase()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `word.trim_matches( | c | !(between(&c,'a','z') || between(&c,'A', 'Z') || between(&c, '0', '9'))).to_lowercase()` [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 `or_insert` followed by a function call [INFO] [stderr] --> src/main.rs:61:50 [INFO] [stderr] | [INFO] [stderr] 61 | let entry = database.0.entry(clean_word).or_insert(DatabaseEntry (HashMap::new(), 0)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(|| DatabaseEntry (HashMap::new(), 0))` [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: static item is never used: `UPDATE_INTERVAL_IN_SECONDS` [INFO] [stderr] --> src/main.rs:14:1 [INFO] [stderr] | [INFO] [stderr] 14 | static UPDATE_INTERVAL_IN_SECONDS : u64 = 3; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: static item is never used: `TESTING` [INFO] [stderr] --> src/main.rs:15:1 [INFO] [stderr] | [INFO] [stderr] 15 | static TESTING : bool = true; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `DatabaseEntry` [INFO] [stderr] --> src/main.rs:25:1 [INFO] [stderr] | [INFO] [stderr] 25 | struct DatabaseEntry (HashMap, i64); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/main.rs:37:5 [INFO] [stderr] | [INFO] [stderr] 37 | fn new() -> Database { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `between` [INFO] [stderr] --> src/main.rs:51:1 [INFO] [stderr] | [INFO] [stderr] 51 | fn between(c:&char, a: char, b: char) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `add_word_to_database` [INFO] [stderr] --> src/main.rs:55:1 [INFO] [stderr] | [INFO] [stderr] 55 | fn add_word_to_database <'a> (word: String, subreddit:&String, mut database:Database) -> Database { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `add_to_database` [INFO] [stderr] --> src/main.rs:68:1 [INFO] [stderr] | [INFO] [stderr] 68 | fn add_to_database (comment: Comment, data:Database) -> Database { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `analyse_last_n_comments` [INFO] [stderr] --> src/main.rs:75:1 [INFO] [stderr] | [INFO] [stderr] 75 | fn analyse_last_n_comments(n: usize, reddit:App) -> Database { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `polling` [INFO] [stderr] --> src/main.rs:95:1 [INFO] [stderr] | [INFO] [stderr] 95 | fn polling(reddit:App) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:45:13 [INFO] [stderr] | [INFO] [stderr] 45 | write!(f, "{} times {}\n", occurences, word); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value [INFO] [stderr] --> src/main.rs:51:14 [INFO] [stderr] | [INFO] [stderr] 51 | fn between(c:&char, a: char, b: char) -> bool { [INFO] [stderr] | ^^^^^ help: consider passing by value instead: `char` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref [INFO] [stderr] [INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do. [INFO] [stderr] --> src/main.rs:55:55 [INFO] [stderr] | [INFO] [stderr] 55 | fn add_word_to_database <'a> (word: String, subreddit:&String, mut database:Database) -> Database { [INFO] [stderr] | ^^^^^^^ help: change this to: `&str` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::ptr_arg)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg [INFO] [stderr] [INFO] [stderr] warning: this lifetime isn't used in the function definition [INFO] [stderr] --> src/main.rs:55:26 [INFO] [stderr] | [INFO] [stderr] 55 | fn add_word_to_database <'a> (word: String, subreddit:&String, mut database:Database) -> Database { [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::extra_unused_lifetimes)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes [INFO] [stderr] [INFO] [stderr] warning: identical conversion [INFO] [stderr] --> src/main.rs:58:22 [INFO] [stderr] | [INFO] [stderr] 58 | let clean_word = String::from(word.trim_matches( | c | !(between(&c,'a','z') || between(&c,'A', 'Z') || between(&c, '0', '9'))).to_lowercase()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `word.trim_matches( | c | !(between(&c,'a','z') || between(&c,'A', 'Z') || between(&c, '0', '9'))).to_lowercase()` [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 `or_insert` followed by a function call [INFO] [stderr] --> src/main.rs:61:50 [INFO] [stderr] | [INFO] [stderr] 61 | let entry = database.0.entry(clean_word).or_insert(DatabaseEntry (HashMap::new(), 0)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(|| DatabaseEntry (HashMap::new(), 0))` [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 26.19s [INFO] running `"docker" "inspect" "b1969ed4a516449527ed0a7ba72a3ae0315a29f6446cd04c61734af2c8120e21"` [INFO] running `"docker" "rm" "-f" "b1969ed4a516449527ed0a7ba72a3ae0315a29f6446cd04c61734af2c8120e21"` [INFO] [stdout] b1969ed4a516449527ed0a7ba72a3ae0315a29f6446cd04c61734af2c8120e21