[INFO] updating cached repository KhanhML/khanhml.github.io
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/KhanhML/khanhml.github.io
[INFO] [stderr]  * branch              HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/KhanhML/khanhml.github.io" "work/ex/clippy-test-run/sources/stable/gh/KhanhML/khanhml.github.io"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/KhanhML/khanhml.github.io'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/KhanhML/khanhml.github.io" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/KhanhML/khanhml.github.io"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/KhanhML/khanhml.github.io'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 761cc8fd3e1942d56947b35dbc0d97190a885fff
[INFO] sha for GitHub repo KhanhML/khanhml.github.io: 761cc8fd3e1942d56947b35dbc0d97190a885fff
[INFO] validating manifest of KhanhML/khanhml.github.io 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 KhanhML/khanhml.github.io 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 KhanhML/khanhml.github.io
[INFO] finished frobbing KhanhML/khanhml.github.io
[INFO] frobbed toml for KhanhML/khanhml.github.io written to work/ex/clippy-test-run/sources/stable/gh/KhanhML/khanhml.github.io/Cargo.toml
[INFO] started frobbing KhanhML/khanhml.github.io
[INFO] finished frobbing KhanhML/khanhml.github.io
[INFO] frobbed toml for KhanhML/khanhml.github.io written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/KhanhML/khanhml.github.io/Cargo.toml
[INFO] crate KhanhML/khanhml.github.io 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] [stderr]     Blocking waiting for file lock on the registry index
[INFO] linting KhanhML/khanhml.github.io 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/KhanhML/khanhml.github.io:/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] ab399b7e1ab1e16f6a94f3ea08ed3d985a9392c9664062c7b5e07b0ef9bf2b70
[INFO] running `"docker" "start" "-a" "ab399b7e1ab1e16f6a94f3ea08ed3d985a9392c9664062c7b5e07b0ef9bf2b70"`
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]    Compiling derive_builder_core v0.2.0
[INFO] [stderr]    Compiling syn v0.13.10
[INFO] [stderr]     Checking quick-xml v0.12.1
[INFO] [stderr]     Checking comrak v0.2.12
[INFO] [stderr]    Compiling derive_builder v0.5.1
[INFO] [stderr]     Checking rss v1.5.0
[INFO] [stderr]    Compiling derive-error-chain v0.11.1
[INFO] [stderr]     Checking dotenv v0.11.0
[INFO] [stderr]     Checking generator-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/main.rs:188:13
[INFO] [stderr]     |
[INFO] [stderr] 188 |             markdown: markdown,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `markdown`
[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/main.rs:211:17
[INFO] [stderr]     |
[INFO] [stderr] 211 |                 markdown: markdown,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^ help: replace it with: `markdown`
[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/main.rs:188:13
[INFO] [stderr]     |
[INFO] [stderr] 188 |             markdown: markdown,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `markdown`
[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/main.rs:211:17
[INFO] [stderr]     |
[INFO] [stderr] 211 |                 markdown: markdown,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^ help: replace it with: `markdown`
[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: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/main.rs:138:16
[INFO] [stderr]     |
[INFO] [stderr] 138 |           } else {
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 139 | |             if line.starts_with("title: ") {
[INFO] [stderr] 140 | |                 metadata.title = line.replace("title: ", "");
[INFO] [stderr] 141 | |             }
[INFO] [stderr] ...   |
[INFO] [stderr] 156 | |             }
[INFO] [stderr] 157 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 138 |         } else if line.starts_with("title: ") {
[INFO] [stderr] 139 |     metadata.title = line.replace("title: ", "");
[INFO] [stderr] 140 | }
[INFO] [stderr] 141 | else if line.starts_with("published: ") {
[INFO] [stderr] 142 |     metadata.published = line.replace("published: ", "");
[INFO] [stderr] 143 | }
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/main.rs:138:16
[INFO] [stderr]     |
[INFO] [stderr] 138 |           } else {
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 139 | |             if line.starts_with("title: ") {
[INFO] [stderr] 140 | |                 metadata.title = line.replace("title: ", "");
[INFO] [stderr] 141 | |             }
[INFO] [stderr] ...   |
[INFO] [stderr] 156 | |             }
[INFO] [stderr] 157 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 138 |         } else if line.starts_with("title: ") {
[INFO] [stderr] 139 |     metadata.title = line.replace("title: ", "");
[INFO] [stderr] 140 | }
[INFO] [stderr] 141 | else if line.starts_with("published: ") {
[INFO] [stderr] 142 |     metadata.published = line.replace("published: ", "");
[INFO] [stderr] 143 | }
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `domain_name`
[INFO] [stderr]    --> src/main.rs:166:9
[INFO] [stderr]     |
[INFO] [stderr] 166 |     let domain_name = env::var("DOMAIN_NAME").unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^ help: consider using `_domain_name` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `domain_name`
[INFO] [stderr]    --> src/main.rs:166:9
[INFO] [stderr]     |
[INFO] [stderr] 166 |     let domain_name = env::var("DOMAIN_NAME").unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^ help: consider using `_domain_name` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/main.rs:52:42
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let template = if folder.starts_with(".") {
[INFO] [stderr]    |                                          ^^^ help: try using a char instead: `'.'`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:80:36
[INFO] [stderr]    |
[INFO] [stderr] 80 | fn generate_tags(text: &str, tags: &Vec<String>) -> String {
[INFO] [stderr]    |                                    ^^^^^^^^^^^^ help: change this to: `&[String]`
[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 .into_iter() call is equivalent to .iter() and will not move the Vec
[INFO] [stderr]   --> src/main.rs:82:36
[INFO] [stderr]    |
[INFO] [stderr] 82 |     let output: Vec<String> = tags.into_iter().map(|t| format!("<a class='topic-tag' href='/tags/{}.html'>{}</a>", t, t)).collect();
[INFO] [stderr]    |                                    ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     format!("{}", html)
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `html.to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[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: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:121:16
[INFO] [stderr]     |
[INFO] [stderr] 121 |         title: format!(""),
[INFO] [stderr]     |                ^^^^^^^^^^^ help: consider using .to_string(): `"".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:122:20
[INFO] [stderr]     |
[INFO] [stderr] 122 |         published: format!("false"),
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"false".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:123:15
[INFO] [stderr]     |
[INFO] [stderr] 123 |         date: format!(""),
[INFO] [stderr]     |               ^^^^^^^^^^^ help: consider using .to_string(): `"".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:124:22
[INFO] [stderr]     |
[INFO] [stderr] 124 |         description: format!(""),
[INFO] [stderr]     |                      ^^^^^^^^^^^ help: consider using .to_string(): `"".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:125:16
[INFO] [stderr]     |
[INFO] [stderr] 125 |         image: format!(""),
[INFO] [stderr]     |                ^^^^^^^^^^^ help: consider using .to_string(): `"".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:127:19
[INFO] [stderr]     |
[INFO] [stderr] 127 |         markdown: format!(""),
[INFO] [stderr]     |                   ^^^^^^^^^^^ help: consider using .to_string(): `"".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/main.rs:163:31
[INFO] [stderr]     |
[INFO] [stderr] 163 | fn generate_index_page(posts: &Vec<Metadata>) {
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^ help: change this to: `&[Metadata]`
[INFO] [stderr]     |
[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 .into_iter() call is equivalent to .iter() and will not move the Vec
[INFO] [stderr]    --> src/main.rs:168:39
[INFO] [stderr]     |
[INFO] [stderr] 168 |         let html: Vec<String> = posts.into_iter().map(|p| {
[INFO] [stderr]     |                                       ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/main.rs:171:75
[INFO] [stderr]     |
[INFO] [stderr] 171 |             let post_date_text = time::strftime(&date_format, &post_date).unwrap_or(format!(""));
[INFO] [stderr]     |                                                                           ^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| format!(""))`
[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: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:171:85
[INFO] [stderr]     |
[INFO] [stderr] 171 |             let post_date_text = time::strftime(&date_format, &post_date).unwrap_or(format!(""));
[INFO] [stderr]     |                                                                                     ^^^^^^^^^^^ help: consider using .to_string(): `"".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:183:24
[INFO] [stderr]     |
[INFO] [stderr] 183 |             published: format!("true"),
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"true".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the HashMap
[INFO] [stderr]    --> src/main.rs:199:34
[INFO] [stderr]     |
[INFO] [stderr] 199 |         for (key, value) in tags.into_iter() {
[INFO] [stderr]     |                                  ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the Vec
[INFO] [stderr]    --> src/main.rs:201:48
[INFO] [stderr]     |
[INFO] [stderr] 201 |             let post_list: Vec<String> = value.into_iter().map(|a| format!("- [{}](/posts/{})", a.title, a.url)).collect();
[INFO] [stderr]     |                                                ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/main.rs:52:42
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let template = if folder.starts_with(".") {
[INFO] [stderr]    |                                          ^^^ help: try using a char instead: `'.'`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/main.rs:203:48
[INFO] [stderr]     |
[INFO] [stderr] 203 |             let tags_except_key: Vec<String> = tags.keys().into_iter().filter(|k| *k != key).map(|k| format!("{}", k)).collect();
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `tags.keys()`
[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: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:203:102
[INFO] [stderr]     |
[INFO] [stderr] 203 |             let tags_except_key: Vec<String> = tags.keys().into_iter().filter(|k| *k != key).map(|k| format!("{}", k)).collect();
[INFO] [stderr]     |                                                                                                      ^^^^^^^^^^^^^^^^ help: consider using .to_string(): `k.to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[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: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:205:24
[INFO] [stderr]     |
[INFO] [stderr] 205 |                 title: format!("{}", &key),
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `&key.to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[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: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:206:28
[INFO] [stderr]     |
[INFO] [stderr] 206 |                 published: format!("true"),
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"true".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/main.rs:210:23
[INFO] [stderr]     |
[INFO] [stderr] 210 |                 tags: Vec::from(tags_except_key),
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `Vec::from()`: `tags_except_key`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/main.rs:220:29
[INFO] [stderr]     |
[INFO] [stderr] 220 | fn generate_rss_feed(posts: &Vec<Metadata>) {
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^ help: change this to: `&[Metadata]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:80:36
[INFO] [stderr]    |
[INFO] [stderr] 80 | fn generate_tags(text: &str, tags: &Vec<String>) -> String {
[INFO] [stderr]    |                                    ^^^^^^^^^^^^ help: change this to: `&[String]`
[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: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/main.rs:233:78
[INFO] [stderr]     |
[INFO] [stderr] 233 |         let post_date_text = time::strftime(RFC2822_TIME_FORMAT, &post_date).unwrap_or(format!(""));
[INFO] [stderr]     |                                                                              ^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| format!(""))`
[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: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:233:88
[INFO] [stderr]     |
[INFO] [stderr] 233 |         let post_date_text = time::strftime(RFC2822_TIME_FORMAT, &post_date).unwrap_or(format!(""));
[INFO] [stderr]     |                                                                                        ^^^^^^^^^^^ help: consider using .to_string(): `"".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:238:24
[INFO] [stderr]     |
[INFO] [stderr] 238 |         item.set_title(format!("{}", &post.title));
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `&post.title.to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[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: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:248:5
[INFO] [stderr]     |
[INFO] [stderr] 248 |     output_file.write_all(channel.to_string().as_bytes());
[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] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the Vec
[INFO] [stderr]   --> src/main.rs:82:36
[INFO] [stderr]    |
[INFO] [stderr] 82 |     let output: Vec<String> = tags.into_iter().map(|t| format!("<a class='topic-tag' href='/tags/{}.html'>{}</a>", t, t)).collect();
[INFO] [stderr]    |                                    ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/main.rs:255:5
[INFO] [stderr]     |
[INFO] [stderr] 255 | /     let mut folder = ".";
[INFO] [stderr] 256 | |     if args.len() > 1 {
[INFO] [stderr] 257 | |         folder = &args[1];
[INFO] [stderr] 258 | |     }
[INFO] [stderr]     | |_____^ help: it is more idiomatic to write: `let <mut> folder = if args.len() > 1 { &args[1] } else { "." };`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_let_if_seq)] on by default
[INFO] [stderr]     = note: you might not need `mut` at all
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     format!("{}", html)
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `html.to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[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: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:273:44
[INFO] [stderr]     |
[INFO] [stderr] 273 |                             let find_tag = format!("{}", tag);
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `tag.to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[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: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:275:52
[INFO] [stderr]     |
[INFO] [stderr] 275 |                                 shared.tags.insert(format!("{}", tag), vec![]);
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `tag.to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[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: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:277:70
[INFO] [stderr]     |
[INFO] [stderr] 277 |                             let mut tag_posts = shared.tags.get_mut(&format!("{}", tag)).unwrap();
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `tag.to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[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: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:280:44
[INFO] [stderr]     |
[INFO] [stderr] 280 |                                     title: format!("{}", &post.title),
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `&post.title.to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[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: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:281:42
[INFO] [stderr]     |
[INFO] [stderr] 281 |                                     url: format!("{}", post.output_file.file_name().unwrap().to_str().unwrap())
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `post.output_file.file_name().unwrap().to_str().unwrap().to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[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: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:121:16
[INFO] [stderr]     |
[INFO] [stderr] 121 |         title: format!(""),
[INFO] [stderr]     |                ^^^^^^^^^^^ help: consider using .to_string(): `"".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:122:20
[INFO] [stderr]     |
[INFO] [stderr] 122 |         published: format!("false"),
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"false".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:123:15
[INFO] [stderr]     |
[INFO] [stderr] 123 |         date: format!(""),
[INFO] [stderr]     |               ^^^^^^^^^^^ help: consider using .to_string(): `"".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:124:22
[INFO] [stderr]     |
[INFO] [stderr] 124 |         description: format!(""),
[INFO] [stderr]     |                      ^^^^^^^^^^^ help: consider using .to_string(): `"".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:125:16
[INFO] [stderr]     |
[INFO] [stderr] 125 |         image: format!(""),
[INFO] [stderr]     |                ^^^^^^^^^^^ help: consider using .to_string(): `"".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:127:19
[INFO] [stderr]     |
[INFO] [stderr] 127 |         markdown: format!(""),
[INFO] [stderr]     |                   ^^^^^^^^^^^ help: consider using .to_string(): `"".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/main.rs:163:31
[INFO] [stderr]     |
[INFO] [stderr] 163 | fn generate_index_page(posts: &Vec<Metadata>) {
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^ help: change this to: `&[Metadata]`
[INFO] [stderr]     |
[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 .into_iter() call is equivalent to .iter() and will not move the Vec
[INFO] [stderr]    --> src/main.rs:168:39
[INFO] [stderr]     |
[INFO] [stderr] 168 |         let html: Vec<String> = posts.into_iter().map(|p| {
[INFO] [stderr]     |                                       ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/main.rs:171:75
[INFO] [stderr]     |
[INFO] [stderr] 171 |             let post_date_text = time::strftime(&date_format, &post_date).unwrap_or(format!(""));
[INFO] [stderr]     |                                                                           ^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| format!(""))`
[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: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:171:85
[INFO] [stderr]     |
[INFO] [stderr] 171 |             let post_date_text = time::strftime(&date_format, &post_date).unwrap_or(format!(""));
[INFO] [stderr]     |                                                                                     ^^^^^^^^^^^ help: consider using .to_string(): `"".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:183:24
[INFO] [stderr]     |
[INFO] [stderr] 183 |             published: format!("true"),
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"true".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the HashMap
[INFO] [stderr]    --> src/main.rs:199:34
[INFO] [stderr]     |
[INFO] [stderr] 199 |         for (key, value) in tags.into_iter() {
[INFO] [stderr]     |                                  ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the Vec
[INFO] [stderr]    --> src/main.rs:201:48
[INFO] [stderr]     |
[INFO] [stderr] 201 |             let post_list: Vec<String> = value.into_iter().map(|a| format!("- [{}](/posts/{})", a.title, a.url)).collect();
[INFO] [stderr]     |                                                ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/main.rs:203:48
[INFO] [stderr]     |
[INFO] [stderr] 203 |             let tags_except_key: Vec<String> = tags.keys().into_iter().filter(|k| *k != key).map(|k| format!("{}", k)).collect();
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `tags.keys()`
[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: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:203:102
[INFO] [stderr]     |
[INFO] [stderr] 203 |             let tags_except_key: Vec<String> = tags.keys().into_iter().filter(|k| *k != key).map(|k| format!("{}", k)).collect();
[INFO] [stderr]     |                                                                                                      ^^^^^^^^^^^^^^^^ help: consider using .to_string(): `k.to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[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: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:205:24
[INFO] [stderr]     |
[INFO] [stderr] 205 |                 title: format!("{}", &key),
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `&key.to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[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: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:206:28
[INFO] [stderr]     |
[INFO] [stderr] 206 |                 published: format!("true"),
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"true".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/main.rs:210:23
[INFO] [stderr]     |
[INFO] [stderr] 210 |                 tags: Vec::from(tags_except_key),
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `Vec::from()`: `tags_except_key`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/main.rs:220:29
[INFO] [stderr]     |
[INFO] [stderr] 220 | fn generate_rss_feed(posts: &Vec<Metadata>) {
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^ help: change this to: `&[Metadata]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/main.rs:233:78
[INFO] [stderr]     |
[INFO] [stderr] 233 |         let post_date_text = time::strftime(RFC2822_TIME_FORMAT, &post_date).unwrap_or(format!(""));
[INFO] [stderr]     |                                                                              ^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| format!(""))`
[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: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:233:88
[INFO] [stderr]     |
[INFO] [stderr] 233 |         let post_date_text = time::strftime(RFC2822_TIME_FORMAT, &post_date).unwrap_or(format!(""));
[INFO] [stderr]     |                                                                                        ^^^^^^^^^^^ help: consider using .to_string(): `"".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:238:24
[INFO] [stderr]     |
[INFO] [stderr] 238 |         item.set_title(format!("{}", &post.title));
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `&post.title.to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[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: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:248:5
[INFO] [stderr]     |
[INFO] [stderr] 248 |     output_file.write_all(channel.to_string().as_bytes());
[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] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/main.rs:255:5
[INFO] [stderr]     |
[INFO] [stderr] 255 | /     let mut folder = ".";
[INFO] [stderr] 256 | |     if args.len() > 1 {
[INFO] [stderr] 257 | |         folder = &args[1];
[INFO] [stderr] 258 | |     }
[INFO] [stderr]     | |_____^ help: it is more idiomatic to write: `let <mut> folder = if args.len() > 1 { &args[1] } else { "." };`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_let_if_seq)] on by default
[INFO] [stderr]     = note: you might not need `mut` at all
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:273:44
[INFO] [stderr]     |
[INFO] [stderr] 273 |                             let find_tag = format!("{}", tag);
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `tag.to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[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: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:275:52
[INFO] [stderr]     |
[INFO] [stderr] 275 |                                 shared.tags.insert(format!("{}", tag), vec![]);
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `tag.to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[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: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:277:70
[INFO] [stderr]     |
[INFO] [stderr] 277 |                             let mut tag_posts = shared.tags.get_mut(&format!("{}", tag)).unwrap();
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `tag.to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[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: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:280:44
[INFO] [stderr]     |
[INFO] [stderr] 280 |                                     title: format!("{}", &post.title),
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `&post.title.to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[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: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:281:42
[INFO] [stderr]     |
[INFO] [stderr] 281 |                                     url: format!("{}", post.output_file.file_name().unwrap().to_str().unwrap())
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `post.output_file.file_name().unwrap().to_str().unwrap().to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[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]     Finished dev [unoptimized + debuginfo] target(s) in 22.83s
[INFO] running `"docker" "inspect" "ab399b7e1ab1e16f6a94f3ea08ed3d985a9392c9664062c7b5e07b0ef9bf2b70"`
[INFO] running `"docker" "rm" "-f" "ab399b7e1ab1e16f6a94f3ea08ed3d985a9392c9664062c7b5e07b0ef9bf2b70"`
[INFO] [stdout] ab399b7e1ab1e16f6a94f3ea08ed3d985a9392c9664062c7b5e07b0ef9bf2b70