[INFO] crate irc_message 1.0.0 is already in cache
[INFO] extracting crate irc_message 1.0.0 into work/ex/clippy-test-run/sources/stable/reg/irc_message/1.0.0
[INFO] extracting crate irc_message 1.0.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/irc_message/1.0.0
[INFO] validating manifest of irc_message-1.0.0 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 irc_message-1.0.0 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 irc_message-1.0.0
[INFO] finished frobbing irc_message-1.0.0
[INFO] frobbed toml for irc_message-1.0.0 written to work/ex/clippy-test-run/sources/stable/reg/irc_message/1.0.0/Cargo.toml
[INFO] started frobbing irc_message-1.0.0
[INFO] finished frobbing irc_message-1.0.0
[INFO] frobbed toml for irc_message-1.0.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/irc_message/1.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 irc_message-1.0.0 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-5/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/reg/irc_message/1.0.0:/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] f0eb6342a37d02b1546980f23bc94b3ee620614e286f0ca9f9392ddfb1381139
[INFO] running `"docker" "start" "-a" "f0eb6342a37d02b1546980f23bc94b3ee620614e286f0ca9f9392ddfb1381139"`
[INFO] [stderr]     Checking irc_message v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:185:5
[INFO] [stderr]     |
[INFO] [stderr] 185 |     return Some(message);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(message)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]  --> src/tests.rs:9:36
[INFO] [stderr]   |
[INFO] [stderr] 9 |     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stderr]   |                                    ^^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]  --> src/tests.rs:9:36
[INFO] [stderr]   |
[INFO] [stderr] 9 |     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stderr]   |                                    ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::double_parens)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:20:35
[INFO] [stderr]    |
[INFO] [stderr] 20 |     assert_eq!(topic.prefix, Some(("test")));
[INFO] [stderr]    |                                   ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]   --> src/tests.rs:20:35
[INFO] [stderr]    |
[INFO] [stderr] 20 |     assert_eq!(topic.prefix, Some(("test")));
[INFO] [stderr]    |                                   ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:21:36
[INFO] [stderr]    |
[INFO] [stderr] 21 |     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stderr]    |                                    ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]   --> src/tests.rs:21:36
[INFO] [stderr]    |
[INFO] [stderr] 21 |     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stderr]    |                                    ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:32:35
[INFO] [stderr]    |
[INFO] [stderr] 32 |     assert_eq!(topic.prefix, Some(("test")));
[INFO] [stderr]    |                                   ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]   --> src/tests.rs:32:35
[INFO] [stderr]    |
[INFO] [stderr] 32 |     assert_eq!(topic.prefix, Some(("test")));
[INFO] [stderr]    |                                   ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:33:36
[INFO] [stderr]    |
[INFO] [stderr] 33 |     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stderr]    |                                    ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]   --> src/tests.rs:33:36
[INFO] [stderr]    |
[INFO] [stderr] 33 |     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stderr]    |                                    ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:42:35
[INFO] [stderr]    |
[INFO] [stderr] 42 |     assert_eq!(topic.prefix, Some(("test!me@test.ing")));
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]   --> src/tests.rs:42:35
[INFO] [stderr]    |
[INFO] [stderr] 42 |     assert_eq!(topic.prefix, Some(("test!me@test.ing")));
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:43:36
[INFO] [stderr]    |
[INFO] [stderr] 43 |     assert_eq!(topic.command, Some(("PRIVMSG")));
[INFO] [stderr]    |                                    ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]   --> src/tests.rs:43:36
[INFO] [stderr]    |
[INFO] [stderr] 43 |     assert_eq!(topic.command, Some(("PRIVMSG")));
[INFO] [stderr]    |                                    ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:52:36
[INFO] [stderr]    |
[INFO] [stderr] 52 |     assert_eq!(topic.command, Some(("PRIVMSG")));
[INFO] [stderr]    |                                    ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]   --> src/tests.rs:52:36
[INFO] [stderr]    |
[INFO] [stderr] 52 |     assert_eq!(topic.command, Some(("PRIVMSG")));
[INFO] [stderr]    |                                    ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:60:35
[INFO] [stderr]    |
[INFO] [stderr] 60 |     assert_eq!(topic.prefix, Some(("test")));
[INFO] [stderr]    |                                   ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]   --> src/tests.rs:60:35
[INFO] [stderr]    |
[INFO] [stderr] 60 |     assert_eq!(topic.prefix, Some(("test")));
[INFO] [stderr]    |                                   ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:61:36
[INFO] [stderr]    |
[INFO] [stderr] 61 |     assert_eq!(topic.command, Some(("PRIVMSG")));
[INFO] [stderr]    |                                    ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]   --> src/tests.rs:61:36
[INFO] [stderr]    |
[INFO] [stderr] 61 |     assert_eq!(topic.command, Some(("PRIVMSG")));
[INFO] [stderr]    |                                    ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:69:35
[INFO] [stderr]    |
[INFO] [stderr] 69 |     assert_eq!(topic.prefix, Some(("test")));
[INFO] [stderr]    |                                   ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]   --> src/tests.rs:69:35
[INFO] [stderr]    |
[INFO] [stderr] 69 |     assert_eq!(topic.prefix, Some(("test")));
[INFO] [stderr]    |                                   ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:70:36
[INFO] [stderr]    |
[INFO] [stderr] 70 |     assert_eq!(topic.command, Some(("PRIVMSG")));
[INFO] [stderr]    |                                    ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]   --> src/tests.rs:70:36
[INFO] [stderr]    |
[INFO] [stderr] 70 |     assert_eq!(topic.command, Some(("PRIVMSG")));
[INFO] [stderr]    |                                    ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:78:35
[INFO] [stderr]    |
[INFO] [stderr] 78 |     assert_eq!(topic.prefix, Some(("test")));
[INFO] [stderr]    |                                   ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]   --> src/tests.rs:78:35
[INFO] [stderr]    |
[INFO] [stderr] 78 |     assert_eq!(topic.prefix, Some(("test")));
[INFO] [stderr]    |                                   ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:79:36
[INFO] [stderr]    |
[INFO] [stderr] 79 |     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stderr]    |                                    ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]   --> src/tests.rs:79:36
[INFO] [stderr]    |
[INFO] [stderr] 79 |     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stderr]    |                                    ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:88:36
[INFO] [stderr]    |
[INFO] [stderr] 88 |     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stderr]    |                                    ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]   --> src/tests.rs:88:36
[INFO] [stderr]    |
[INFO] [stderr] 88 |     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stderr]    |                                    ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:97:36
[INFO] [stderr]    |
[INFO] [stderr] 97 |     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stderr]    |                                    ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]   --> src/tests.rs:97:36
[INFO] [stderr]    |
[INFO] [stderr] 97 |     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stderr]    |                                    ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/tests.rs:106:36
[INFO] [stderr]     |
[INFO] [stderr] 106 |     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stderr]     |                                    ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]    --> src/tests.rs:106:36
[INFO] [stderr]     |
[INFO] [stderr] 106 |     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stderr]     |                                    ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/tests.rs:114:35
[INFO] [stderr]     |
[INFO] [stderr] 114 |     assert_eq!(topic.prefix, Some(("test")));
[INFO] [stderr]     |                                   ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]    --> src/tests.rs:114:35
[INFO] [stderr]     |
[INFO] [stderr] 114 |     assert_eq!(topic.prefix, Some(("test")));
[INFO] [stderr]     |                                   ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/tests.rs:115:36
[INFO] [stderr]     |
[INFO] [stderr] 115 |     assert_eq!(topic.command, Some(("PRIVMSG")));
[INFO] [stderr]     |                                    ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]    --> src/tests.rs:115:36
[INFO] [stderr]     |
[INFO] [stderr] 115 |     assert_eq!(topic.command, Some(("PRIVMSG")));
[INFO] [stderr]     |                                    ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/tests.rs:127:42
[INFO] [stderr]     |
[INFO] [stderr] 127 |     assert!(topic.tags[("best")] == Some(("super")));
[INFO] [stderr]     |                                          ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]    --> src/tests.rs:127:42
[INFO] [stderr]     |
[INFO] [stderr] 127 |     assert!(topic.tags[("best")] == Some(("super")));
[INFO] [stderr]     |                                          ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/tests.rs:129:34
[INFO] [stderr]     |
[INFO] [stderr] 129 |     assert!(topic.prefix == Some(("test!me@test.ing")));
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]    --> src/tests.rs:129:34
[INFO] [stderr]     |
[INFO] [stderr] 129 |     assert!(topic.prefix == Some(("test!me@test.ing")));
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/tests.rs:130:35
[INFO] [stderr]     |
[INFO] [stderr] 130 |     assert!(topic.command == Some(("FOO")));
[INFO] [stderr]     |                                   ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]    --> src/tests.rs:130:35
[INFO] [stderr]     |
[INFO] [stderr] 130 |     assert!(topic.command == Some(("FOO")));
[INFO] [stderr]     |                                   ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:185:5
[INFO] [stderr]     |
[INFO] [stderr] 185 |     return Some(message);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(message)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lib.rs:33:17
[INFO] [stderr]    |
[INFO] [stderr] 33 | /                 match v {
[INFO] [stderr] 34 | |                     &None => {
[INFO] [stderr] 35 | |                         try!(fmt.write_str(k.as_ref()));
[INFO] [stderr] 36 | |                         try!(fmt.write_str(";"));
[INFO] [stderr] ...  |
[INFO] [stderr] 43 | |                     }
[INFO] [stderr] 44 | |                 }
[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] 33 |                 match *v {
[INFO] [stderr] 34 |                     None => {
[INFO] [stderr] 35 |                         try!(fmt.write_str(k.as_ref()));
[INFO] [stderr] 36 |                         try!(fmt.write_str(";"));
[INFO] [stderr] 37 |                     },
[INFO] [stderr] 38 |                     Some(ref val) => {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:149:17
[INFO] [stderr]     |
[INFO] [stderr] 149 |         None if line.len() > 0 => {
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!line.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lib.rs:33:17
[INFO] [stderr]    |
[INFO] [stderr] 33 | /                 match v {
[INFO] [stderr] 34 | |                     &None => {
[INFO] [stderr] 35 | |                         try!(fmt.write_str(k.as_ref()));
[INFO] [stderr] 36 | |                         try!(fmt.write_str(";"));
[INFO] [stderr] ...  |
[INFO] [stderr] 43 | |                     }
[INFO] [stderr] 44 | |                 }
[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] 33 |                 match *v {
[INFO] [stderr] 34 |                     None => {
[INFO] [stderr] 35 |                         try!(fmt.write_str(k.as_ref()));
[INFO] [stderr] 36 |                         try!(fmt.write_str(";"));
[INFO] [stderr] 37 |                     },
[INFO] [stderr] 38 |                     Some(ref val) => {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:149:17
[INFO] [stderr]     |
[INFO] [stderr] 149 |         None if line.len() > 0 => {
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!line.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `"docker" "inspect" "f0eb6342a37d02b1546980f23bc94b3ee620614e286f0ca9f9392ddfb1381139"`
[INFO] running `"docker" "rm" "-f" "f0eb6342a37d02b1546980f23bc94b3ee620614e286f0ca9f9392ddfb1381139"`
[INFO] [stdout] f0eb6342a37d02b1546980f23bc94b3ee620614e286f0ca9f9392ddfb1381139