[INFO] crate fluid 0.3.0 is already in cache
[INFO] extracting crate fluid 0.3.0 into work/ex/clippy-test-run/sources/stable/reg/fluid/0.3.0
[INFO] extracting crate fluid 0.3.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/fluid/0.3.0
[INFO] validating manifest of fluid-0.3.0 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 fluid-0.3.0 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 fluid-0.3.0
[INFO] finished frobbing fluid-0.3.0
[INFO] frobbed toml for fluid-0.3.0 written to work/ex/clippy-test-run/sources/stable/reg/fluid/0.3.0/Cargo.toml
[INFO] started frobbing fluid-0.3.0
[INFO] finished frobbing fluid-0.3.0
[INFO] frobbed toml for fluid-0.3.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/fluid/0.3.0/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 fluid-0.3.0 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/reg/fluid/0.3.0:/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" "-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] 3991be3055e4a244bc6702805d256a44fa9083999a287781c670c2dee0d3a30e
[INFO] running `"docker" "start" "-a" "3991be3055e4a244bc6702805d256a44fa9083999a287781c670c2dee0d3a30e"`
[INFO] [stderr]    Compiling fluid_attributes v0.3.0
[INFO] [stderr]     Checking fluid v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]    --> src/assertions/mod.rs:124:20
[INFO] [stderr]     |
[INFO] [stderr] 124 | const UNWRAP_MSG: &'static str = "[fluid] Assertion should have a should member";
[INFO] [stderr]     |                   -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] error: useless lint attribute
[INFO] [stderr]   --> src/assertions/mod.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  |             #[allow(unused)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if you just forgot a `!`, use: `#![allow(unused)]`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/assertions/be_equal_to/precision.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     impl_drop!();
[INFO] [stderr]    |     ------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::useless_attribute)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_attribute
[INFO] [stderr] 
[INFO] [stderr] error: useless lint attribute
[INFO] [stderr]   --> src/assertions/mod.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  |             #[allow(unused)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if you just forgot a `!`, use: `#![allow(unused)]`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/assertions/be_equal_to/precision.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     impl_drop!();
[INFO] [stderr]    |     ------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_attribute
[INFO] [stderr] 
[INFO] [stderr] error: useless lint attribute
[INFO] [stderr]   --> src/assertions/mod.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  |             #[allow(unused)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if you just forgot a `!`, use: `#![allow(unused)]`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/assertions/be_equal_to/mod.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     impl_drop!();
[INFO] [stderr]    |     ------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_attribute
[INFO] [stderr] 
[INFO] [stderr] error: useless lint attribute
[INFO] [stderr]   --> src/assertions/mod.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  |             #[allow(unused)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if you just forgot a `!`, use: `#![allow(unused)]`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/assertions/contain.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     impl_drop!();
[INFO] [stderr]    |     ------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_attribute
[INFO] [stderr] 
[INFO] [stderr] error: useless lint attribute
[INFO] [stderr]   --> src/assertions/mod.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  |             #[allow(unused)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if you just forgot a `!`, use: `#![allow(unused)]`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/assertions/be_empty.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     impl_drop!();
[INFO] [stderr]    |     ------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_attribute
[INFO] [stderr] 
[INFO] [stderr] error: useless lint attribute
[INFO] [stderr]   --> src/assertions/mod.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  |             #[allow(unused)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if you just forgot a `!`, use: `#![allow(unused)]`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/assertions/be_an_error.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     impl_drop!();
[INFO] [stderr]    |     ------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_attribute
[INFO] [stderr] 
[INFO] [stderr] error: useless lint attribute
[INFO] [stderr]   --> src/assertions/mod.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  |             #[allow(unused)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if you just forgot a `!`, use: `#![allow(unused)]`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/assertions/have_property.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     impl_drop!();
[INFO] [stderr]    |     ------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_attribute
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]    --> src/assertions/mod.rs:124:20
[INFO] [stderr]     |
[INFO] [stderr] 124 | const UNWRAP_MSG: &'static str = "[fluid] Assertion should have a should member";
[INFO] [stderr]     |                   -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] error: calls to `std::mem::drop` with a value that implements Copy. Dropping a copy leaves the original intact.
[INFO] [stderr]   --> src/assertions/mod.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 |         drop(self.handle_should());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::drop_copy)] on by default
[INFO] [stderr] note: argument has type ()
[INFO] [stderr]   --> src/assertions/mod.rs:51:14
[INFO] [stderr]    |
[INFO] [stderr] 51 |         drop(self.handle_should());
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#drop_copy
[INFO] [stderr] 
[INFO] [stderr] warning: passing a unit value to a function
[INFO] [stderr]   --> src/assertions/mod.rs:51:14
[INFO] [stderr]    |
[INFO] [stderr] 51 |         drop(self.handle_should());
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unit_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
[INFO] [stderr] help: if you intended to pass a unit value, use a unit literal instead
[INFO] [stderr]    |
[INFO] [stderr] 51 |         drop(());
[INFO] [stderr]    |              ^^
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/display.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 | /         match self {
[INFO] [stderr] 63 | |             true => "",
[INFO] [stderr] 64 | |             false => " not",
[INFO] [stderr] 65 | |         }
[INFO] [stderr]    | |_________^ help: consider using an if/else expression: `if self { "" } else { " not" }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a call to `new`
[INFO] [stderr]   --> src/information.rs:69:28
[INFO] [stderr]    |
[INFO] [stderr] 69 |                   let case = from_macro.case
[INFO] [stderr]    |  ____________________________^
[INFO] [stderr] 70 | |                     .map(|s| format!(", for the case {}", s.bold()))
[INFO] [stderr] 71 | |                     .unwrap_or(String::new());
[INFO] [stderr]    | |_____________________________________________^
[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] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 let case = from_macro.case
[INFO] [stderr] 70 |                     .map(|s| format!(", for the case {}", s.bold())).unwrap_or_default();
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a call to `new`
[INFO] [stderr]   --> src/information.rs:77:31
[INFO] [stderr]    |
[INFO] [stderr] 77 |               let explanation = self.explanation
[INFO] [stderr]    |  _______________________________^
[INFO] [stderr] 78 | |                 .map(|s| format!("This test should pass because {}.\n", s))
[INFO] [stderr] 79 | |                 .unwrap_or(String::new());
[INFO] [stderr]    | |_________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 77 |             let explanation = self.explanation
[INFO] [stderr] 78 |                 .map(|s| format!("This test should pass because {}.\n", s)).unwrap_or_default();
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `fluid`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: useless lint attribute
[INFO] [stderr]   --> src/assertions/mod.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  |             #[allow(unused)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if you just forgot a `!`, use: `#![allow(unused)]`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/assertions/be_equal_to/precision.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     impl_drop!();
[INFO] [stderr]    |     ------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::useless_attribute)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_attribute
[INFO] [stderr] 
[INFO] [stderr] error: useless lint attribute
[INFO] [stderr]   --> src/assertions/mod.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  |             #[allow(unused)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if you just forgot a `!`, use: `#![allow(unused)]`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/assertions/be_equal_to/precision.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     impl_drop!();
[INFO] [stderr]    |     ------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_attribute
[INFO] [stderr] 
[INFO] [stderr] error: useless lint attribute
[INFO] [stderr]   --> src/assertions/mod.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  |             #[allow(unused)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if you just forgot a `!`, use: `#![allow(unused)]`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/assertions/be_equal_to/mod.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     impl_drop!();
[INFO] [stderr]    |     ------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_attribute
[INFO] [stderr] 
[INFO] [stderr] error: useless lint attribute
[INFO] [stderr]   --> src/assertions/mod.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  |             #[allow(unused)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if you just forgot a `!`, use: `#![allow(unused)]`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/assertions/contain.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     impl_drop!();
[INFO] [stderr]    |     ------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_attribute
[INFO] [stderr] 
[INFO] [stderr] error: useless lint attribute
[INFO] [stderr]   --> src/assertions/mod.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  |             #[allow(unused)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if you just forgot a `!`, use: `#![allow(unused)]`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/assertions/be_empty.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     impl_drop!();
[INFO] [stderr]    |     ------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_attribute
[INFO] [stderr] 
[INFO] [stderr] error: useless lint attribute
[INFO] [stderr]   --> src/assertions/mod.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  |             #[allow(unused)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if you just forgot a `!`, use: `#![allow(unused)]`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/assertions/be_an_error.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     impl_drop!();
[INFO] [stderr]    |     ------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_attribute
[INFO] [stderr] 
[INFO] [stderr] error: useless lint attribute
[INFO] [stderr]   --> src/assertions/mod.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  |             #[allow(unused)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if you just forgot a `!`, use: `#![allow(unused)]`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/assertions/have_property.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     impl_drop!();
[INFO] [stderr]    |     ------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_attribute
[INFO] [stderr] 
[INFO] [stderr] error: calls to `std::mem::drop` with a value that implements Copy. Dropping a copy leaves the original intact.
[INFO] [stderr]   --> src/assertions/mod.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 |         drop(self.handle_should());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::drop_copy)] on by default
[INFO] [stderr] note: argument has type ()
[INFO] [stderr]   --> src/assertions/mod.rs:51:14
[INFO] [stderr]    |
[INFO] [stderr] 51 |         drop(self.handle_should());
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#drop_copy
[INFO] [stderr] 
[INFO] [stderr] warning: passing a unit value to a function
[INFO] [stderr]   --> src/assertions/mod.rs:51:14
[INFO] [stderr]    |
[INFO] [stderr] 51 |         drop(self.handle_should());
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unit_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
[INFO] [stderr] help: if you intended to pass a unit value, use a unit literal instead
[INFO] [stderr]    |
[INFO] [stderr] 51 |         drop(());
[INFO] [stderr]    |              ^^
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/display.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 | /         match self {
[INFO] [stderr] 63 | |             true => "",
[INFO] [stderr] 64 | |             false => " not",
[INFO] [stderr] 65 | |         }
[INFO] [stderr]    | |_________^ help: consider using an if/else expression: `if self { "" } else { " not" }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a call to `new`
[INFO] [stderr]   --> src/information.rs:69:28
[INFO] [stderr]    |
[INFO] [stderr] 69 |                   let case = from_macro.case
[INFO] [stderr]    |  ____________________________^
[INFO] [stderr] 70 | |                     .map(|s| format!(", for the case {}", s.bold()))
[INFO] [stderr] 71 | |                     .unwrap_or(String::new());
[INFO] [stderr]    | |_____________________________________________^
[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] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 let case = from_macro.case
[INFO] [stderr] 70 |                     .map(|s| format!(", for the case {}", s.bold())).unwrap_or_default();
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a call to `new`
[INFO] [stderr]   --> src/information.rs:77:31
[INFO] [stderr]    |
[INFO] [stderr] 77 |               let explanation = self.explanation
[INFO] [stderr]    |  _______________________________^
[INFO] [stderr] 78 | |                 .map(|s| format!("This test should pass because {}.\n", s))
[INFO] [stderr] 79 | |                 .unwrap_or(String::new());
[INFO] [stderr]    | |_________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 77 |             let explanation = self.explanation
[INFO] [stderr] 78 |                 .map(|s| format!("This test should pass because {}.\n", s)).unwrap_or_default();
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `fluid`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "3991be3055e4a244bc6702805d256a44fa9083999a287781c670c2dee0d3a30e"`
[INFO] running `"docker" "rm" "-f" "3991be3055e4a244bc6702805d256a44fa9083999a287781c670c2dee0d3a30e"`
[INFO] [stdout] 3991be3055e4a244bc6702805d256a44fa9083999a287781c670c2dee0d3a30e