[INFO] updating cached repository kogai/henacat
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kogai/henacat
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kogai/henacat" "work/ex/clippy-test-run/sources/stable/gh/kogai/henacat"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/kogai/henacat'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kogai/henacat" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/kogai/henacat"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/kogai/henacat'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0592f6eb1787b95e192559387d766084ad1ca676
[INFO] sha for GitHub repo kogai/henacat: 0592f6eb1787b95e192559387d766084ad1ca676
[INFO] validating manifest of kogai/henacat 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 kogai/henacat 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 kogai/henacat
[INFO] finished frobbing kogai/henacat
[INFO] frobbed toml for kogai/henacat written to work/ex/clippy-test-run/sources/stable/gh/kogai/henacat/Cargo.toml
[INFO] started frobbing kogai/henacat
[INFO] finished frobbing kogai/henacat
[INFO] frobbed toml for kogai/henacat written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/kogai/henacat/Cargo.toml
[INFO] crate kogai/henacat has a lockfile. skipping
[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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting kogai/henacat against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/kogai/henacat:/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 -Dclippy::into_iter_on_array" "-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] b6409274e0af35c1b6b5a13f1299b123bffac7da663cff69a07c73800621faad
[INFO] running `"docker" "start" "-a" "b6409274e0af35c1b6b5a13f1299b123bffac7da663cff69a07c73800621faad"`
[INFO] [stderr]     Checking henacat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/server.rs:65:58
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let mut request_line = headers.nth(0).unwrap().split(" ");
[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: useless use of `format!`
[INFO] [stderr]    --> src/server.rs:122:9
[INFO] [stderr]     |
[INFO] [stderr] 122 |         format!("Server: Modoki/0.1"),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"Server: Modoki/0.1".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] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/server.rs:123:9
[INFO] [stderr]     |
[INFO] [stderr] 123 |         format!("Connection: close"),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"Connection: close".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/server.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 124 |         format!("{}", request_header.content_type.to_string()),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: `to_string()` is enough: `request_header.content_type.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/server.rs:125:9
[INFO] [stderr]     |
[INFO] [stderr] 125 |         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/server.rs:126:9
[INFO] [stderr]     |
[INFO] [stderr] 126 |         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: single-character string constant used as pattern
[INFO] [stderr]   --> src/content_type.rs:14:33
[INFO] [stderr]    |
[INFO] [stderr] 14 |         let extension = x.split(".").nth(1).unwrap_or("html").to_string();
[INFO] [stderr]    |                                 ^^^ help: try using a char instead: `'.'`
[INFO] [stderr]    |
[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: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/content_type.rs:31:28
[INFO] [stderr]    |
[INFO] [stderr] 31 |           let content_type = match self {
[INFO] [stderr]    |  ____________________________^
[INFO] [stderr] 32 | |             &ContentType::TextHtml => "text/html",
[INFO] [stderr] 33 | |             &ContentType::TextCss => "text/css",
[INFO] [stderr] 34 | |             &ContentType::TextPlain => "text/plain",
[INFO] [stderr] ...  |
[INFO] [stderr] 38 | |             _ => "application/octet-stream",
[INFO] [stderr] 39 | |         };
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let content_type = match *self {
[INFO] [stderr] 32 |             ContentType::TextHtml => "text/html",
[INFO] [stderr] 33 |             ContentType::TextCss => "text/css",
[INFO] [stderr] 34 |             ContentType::TextPlain => "text/plain",
[INFO] [stderr] 35 |             ContentType::ImageJpg => "image/jpeg",
[INFO] [stderr] 36 |             ContentType::ImagePng => "image/png",
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/status.rs:97:7
[INFO] [stderr]     |
[INFO] [stderr] 97  | /       match self {
[INFO] [stderr] 98  | |           &Continue => "100 Continue",
[INFO] [stderr] 99  | |           &SwitchingProtocols => "101 Switching Protocols",
[INFO] [stderr] 100 | |           &Ok => "200 Ok",
[INFO] [stderr] ...   |
[INFO] [stderr] 137 | |           &HttpVersionNotSupported => "505 Http Version Not Supported",
[INFO] [stderr] 138 | |       }.to_string()
[INFO] [stderr]     | |_______^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 97  |       match *self {
[INFO] [stderr] 98  |           Continue => "100 Continue",
[INFO] [stderr] 99  |           SwitchingProtocols => "101 Switching Protocols",
[INFO] [stderr] 100 |           Ok => "200 Ok",
[INFO] [stderr] 101 |           Created => "201 Created",
[INFO] [stderr] 102 |           Accepted => "202 Accepted",
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/server.rs:65:58
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let mut request_line = headers.nth(0).unwrap().split(" ");
[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: useless use of `format!`
[INFO] [stderr]    --> src/server.rs:122:9
[INFO] [stderr]     |
[INFO] [stderr] 122 |         format!("Server: Modoki/0.1"),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"Server: Modoki/0.1".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] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/server.rs:123:9
[INFO] [stderr]     |
[INFO] [stderr] 123 |         format!("Connection: close"),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"Connection: close".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/server.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 124 |         format!("{}", request_header.content_type.to_string()),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: `to_string()` is enough: `request_header.content_type.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/server.rs:125:9
[INFO] [stderr]     |
[INFO] [stderr] 125 |         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/server.rs:126:9
[INFO] [stderr]     |
[INFO] [stderr] 126 |         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: single-character string constant used as pattern
[INFO] [stderr]   --> src/content_type.rs:14:33
[INFO] [stderr]    |
[INFO] [stderr] 14 |         let extension = x.split(".").nth(1).unwrap_or("html").to_string();
[INFO] [stderr]    |                                 ^^^ help: try using a char instead: `'.'`
[INFO] [stderr]    |
[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: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/content_type.rs:31:28
[INFO] [stderr]    |
[INFO] [stderr] 31 |           let content_type = match self {
[INFO] [stderr]    |  ____________________________^
[INFO] [stderr] 32 | |             &ContentType::TextHtml => "text/html",
[INFO] [stderr] 33 | |             &ContentType::TextCss => "text/css",
[INFO] [stderr] 34 | |             &ContentType::TextPlain => "text/plain",
[INFO] [stderr] ...  |
[INFO] [stderr] 38 | |             _ => "application/octet-stream",
[INFO] [stderr] 39 | |         };
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let content_type = match *self {
[INFO] [stderr] 32 |             ContentType::TextHtml => "text/html",
[INFO] [stderr] 33 |             ContentType::TextCss => "text/css",
[INFO] [stderr] 34 |             ContentType::TextPlain => "text/plain",
[INFO] [stderr] 35 |             ContentType::ImageJpg => "image/jpeg",
[INFO] [stderr] 36 |             ContentType::ImagePng => "image/png",
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/status.rs:97:7
[INFO] [stderr]     |
[INFO] [stderr] 97  | /       match self {
[INFO] [stderr] 98  | |           &Continue => "100 Continue",
[INFO] [stderr] 99  | |           &SwitchingProtocols => "101 Switching Protocols",
[INFO] [stderr] 100 | |           &Ok => "200 Ok",
[INFO] [stderr] ...   |
[INFO] [stderr] 137 | |           &HttpVersionNotSupported => "505 Http Version Not Supported",
[INFO] [stderr] 138 | |       }.to_string()
[INFO] [stderr]     | |_______^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 97  |       match *self {
[INFO] [stderr] 98  |           Continue => "100 Continue",
[INFO] [stderr] 99  |           SwitchingProtocols => "101 Switching Protocols",
[INFO] [stderr] 100 |           Ok => "200 Ok",
[INFO] [stderr] 101 |           Created => "201 Created",
[INFO] [stderr] 102 |           Accepted => "202 Accepted",
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> tests/client.rs:11:18
[INFO] [stderr]    |
[INFO] [stderr] 11 |         Client { host: host }
[INFO] [stderr]    |                  ^^^^^^^^^^ help: replace it with: `host`
[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]   --> tests/client.rs:11:18
[INFO] [stderr]    |
[INFO] [stderr] 11 |         Client { host: host }
[INFO] [stderr]    |                  ^^^^^^^^^^ help: replace it with: `host`
[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: single-character string constant used as pattern
[INFO] [stderr]   --> src/server.rs:65:58
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let mut request_line = headers.nth(0).unwrap().split(" ");
[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: useless use of `format!`
[INFO] [stderr]    --> src/server.rs:122:9
[INFO] [stderr]     |
[INFO] [stderr] 122 |         format!("Server: Modoki/0.1"),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"Server: Modoki/0.1".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] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/server.rs:123:9
[INFO] [stderr]     |
[INFO] [stderr] 123 |         format!("Connection: close"),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"Connection: close".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/server.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 124 |         format!("{}", request_header.content_type.to_string()),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: `to_string()` is enough: `request_header.content_type.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/server.rs:125:9
[INFO] [stderr]     |
[INFO] [stderr] 125 |         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/server.rs:126:9
[INFO] [stderr]     |
[INFO] [stderr] 126 |         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: single-character string constant used as pattern
[INFO] [stderr]   --> src/content_type.rs:14:33
[INFO] [stderr]    |
[INFO] [stderr] 14 |         let extension = x.split(".").nth(1).unwrap_or("html").to_string();
[INFO] [stderr]    |                                 ^^^ help: try using a char instead: `'.'`
[INFO] [stderr]    |
[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: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/content_type.rs:31:28
[INFO] [stderr]    |
[INFO] [stderr] 31 |           let content_type = match self {
[INFO] [stderr]    |  ____________________________^
[INFO] [stderr] 32 | |             &ContentType::TextHtml => "text/html",
[INFO] [stderr] 33 | |             &ContentType::TextCss => "text/css",
[INFO] [stderr] 34 | |             &ContentType::TextPlain => "text/plain",
[INFO] [stderr] ...  |
[INFO] [stderr] 38 | |             _ => "application/octet-stream",
[INFO] [stderr] 39 | |         };
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let content_type = match *self {
[INFO] [stderr] 32 |             ContentType::TextHtml => "text/html",
[INFO] [stderr] 33 |             ContentType::TextCss => "text/css",
[INFO] [stderr] 34 |             ContentType::TextPlain => "text/plain",
[INFO] [stderr] 35 |             ContentType::ImageJpg => "image/jpeg",
[INFO] [stderr] 36 |             ContentType::ImagePng => "image/png",
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/status.rs:97:7
[INFO] [stderr]     |
[INFO] [stderr] 97  | /       match self {
[INFO] [stderr] 98  | |           &Continue => "100 Continue",
[INFO] [stderr] 99  | |           &SwitchingProtocols => "101 Switching Protocols",
[INFO] [stderr] 100 | |           &Ok => "200 Ok",
[INFO] [stderr] ...   |
[INFO] [stderr] 137 | |           &HttpVersionNotSupported => "505 Http Version Not Supported",
[INFO] [stderr] 138 | |       }.to_string()
[INFO] [stderr]     | |_______^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 97  |       match *self {
[INFO] [stderr] 98  |           Continue => "100 Continue",
[INFO] [stderr] 99  |           SwitchingProtocols => "101 Switching Protocols",
[INFO] [stderr] 100 |           Ok => "200 Ok",
[INFO] [stderr] 101 |           Created => "201 Created",
[INFO] [stderr] 102 |           Accepted => "202 Accepted",
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/server.rs:65:58
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let mut request_line = headers.nth(0).unwrap().split(" ");
[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: useless use of `format!`
[INFO] [stderr]    --> src/server.rs:122:9
[INFO] [stderr]     |
[INFO] [stderr] 122 |         format!("Server: Modoki/0.1"),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"Server: Modoki/0.1".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] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/server.rs:123:9
[INFO] [stderr]     |
[INFO] [stderr] 123 |         format!("Connection: close"),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"Connection: close".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/server.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 124 |         format!("{}", request_header.content_type.to_string()),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: `to_string()` is enough: `request_header.content_type.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/server.rs:125:9
[INFO] [stderr]     |
[INFO] [stderr] 125 |         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/server.rs:126:9
[INFO] [stderr]     |
[INFO] [stderr] 126 |         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: single-character string constant used as pattern
[INFO] [stderr]   --> src/content_type.rs:14:33
[INFO] [stderr]    |
[INFO] [stderr] 14 |         let extension = x.split(".").nth(1).unwrap_or("html").to_string();
[INFO] [stderr]    |                                 ^^^ help: try using a char instead: `'.'`
[INFO] [stderr]    |
[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: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/content_type.rs:31:28
[INFO] [stderr]    |
[INFO] [stderr] 31 |           let content_type = match self {
[INFO] [stderr]    |  ____________________________^
[INFO] [stderr] 32 | |             &ContentType::TextHtml => "text/html",
[INFO] [stderr] 33 | |             &ContentType::TextCss => "text/css",
[INFO] [stderr] 34 | |             &ContentType::TextPlain => "text/plain",
[INFO] [stderr] ...  |
[INFO] [stderr] 38 | |             _ => "application/octet-stream",
[INFO] [stderr] 39 | |         };
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let content_type = match *self {
[INFO] [stderr] 32 |             ContentType::TextHtml => "text/html",
[INFO] [stderr] 33 |             ContentType::TextCss => "text/css",
[INFO] [stderr] 34 |             ContentType::TextPlain => "text/plain",
[INFO] [stderr] 35 |             ContentType::ImageJpg => "image/jpeg",
[INFO] [stderr] 36 |             ContentType::ImagePng => "image/png",
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/status.rs:97:7
[INFO] [stderr]     |
[INFO] [stderr] 97  | /       match self {
[INFO] [stderr] 98  | |           &Continue => "100 Continue",
[INFO] [stderr] 99  | |           &SwitchingProtocols => "101 Switching Protocols",
[INFO] [stderr] 100 | |           &Ok => "200 Ok",
[INFO] [stderr] ...   |
[INFO] [stderr] 137 | |           &HttpVersionNotSupported => "505 Http Version Not Supported",
[INFO] [stderr] 138 | |       }.to_string()
[INFO] [stderr]     | |_______^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 97  |       match *self {
[INFO] [stderr] 98  |           Continue => "100 Continue",
[INFO] [stderr] 99  |           SwitchingProtocols => "101 Switching Protocols",
[INFO] [stderr] 100 |           Ok => "200 Ok",
[INFO] [stderr] 101 |           Created => "201 Created",
[INFO] [stderr] 102 |           Accepted => "202 Accepted",
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `"docker" "inspect" "b6409274e0af35c1b6b5a13f1299b123bffac7da663cff69a07c73800621faad"`
[INFO] running `"docker" "rm" "-f" "b6409274e0af35c1b6b5a13f1299b123bffac7da663cff69a07c73800621faad"`
[INFO] [stdout] b6409274e0af35c1b6b5a13f1299b123bffac7da663cff69a07c73800621faad