[INFO] crate postgres_range 0.9.0 is already in cache
[INFO] extracting crate postgres_range 0.9.0 into work/ex/clippy-test-run/sources/stable/reg/postgres_range/0.9.0
[INFO] extracting crate postgres_range 0.9.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/postgres_range/0.9.0
[INFO] validating manifest of postgres_range-0.9.0 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 postgres_range-0.9.0 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 postgres_range-0.9.0
[INFO] finished frobbing postgres_range-0.9.0
[INFO] frobbed toml for postgres_range-0.9.0 written to work/ex/clippy-test-run/sources/stable/reg/postgres_range/0.9.0/Cargo.toml
[INFO] started frobbing postgres_range-0.9.0
[INFO] finished frobbing postgres_range-0.9.0
[INFO] frobbed toml for postgres_range-0.9.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/postgres_range/0.9.0/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 postgres_range-0.9.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/postgres_range/0.9.0:/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] 357f724ad2b6f626189786b307adbe78c8aaadc83487458f2f27ccd847f1bdc3
[INFO] running `"docker" "start" "-a" "357f724ad2b6f626189786b307adbe78c8aaadc83487458f2f27ccd847f1bdc3"`
[INFO] [stderr]     Checking postgres-shared v0.4.2
[INFO] [stderr]     Checking postgres v0.15.2
[INFO] [stderr]     Checking postgres_range v0.9.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:357:13
[INFO] [stderr]     |
[INFO] [stderr] 357 |             value: value,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `value`
[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/lib.rs:358:13
[INFO] [stderr]     |
[INFO] [stderr] 358 |             type_: type_,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `type_`
[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: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/impls.rs:12:28
[INFO] [stderr]    |
[INFO] [stderr] 12 |           let element_type = match ty.kind() {
[INFO] [stderr]    |  ____________________________^
[INFO] [stderr] 13 | |             &Kind::Range(ref ty) => ty,
[INFO] [stderr] 14 | |             _ => panic!("unexpected type {:?}", ty),
[INFO] [stderr] 15 | |         };
[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] 12 |         let element_type = match *ty.kind() {
[INFO] [stderr] 13 |             Kind::Range(ref ty) => ty,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/impls.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 | /         match ty.kind() {
[INFO] [stderr] 29 | |             &Kind::Range(ref inner) => <T as FromSql>::accepts(inner),
[INFO] [stderr] 30 | |             _ => false,
[INFO] [stderr] 31 | |         }
[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] 28 |         match *ty.kind() {
[INFO] [stderr] 29 |             Kind::Range(ref inner) => <T as FromSql>::accepts(inner),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/impls.rs:64:28
[INFO] [stderr]    |
[INFO] [stderr] 64 |           let element_type = match ty.kind() {
[INFO] [stderr]    |  ____________________________^
[INFO] [stderr] 65 | |             &Kind::Range(ref ty) => ty,
[INFO] [stderr] 66 | |             _ => panic!("unexpected type {:?}", ty),
[INFO] [stderr] 67 | |         };
[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] 64 |         let element_type = match *ty.kind() {
[INFO] [stderr] 65 |             Kind::Range(ref ty) => ty,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/impls.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 | /         match ty.kind() {
[INFO] [stderr] 84 | |             &Kind::Range(ref inner) => <T as ToSql>::accepts(inner),
[INFO] [stderr] 85 | |             _ => false,
[INFO] [stderr] 86 | |         }
[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] 83 |         match *ty.kind() {
[INFO] [stderr] 84 |             Kind::Range(ref inner) => <T as ToSql>::accepts(inner),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:253:20
[INFO] [stderr]     |
[INFO] [stderr] 253 |             type_: self.type_.clone(),
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.type_`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: re-implementing `PartialEq::ne` is unnecessary
[INFO] [stderr]    --> src/lib.rs:299:5
[INFO] [stderr]     |
[INFO] [stderr] 299 | /     fn ne(&self, other: &RangeBound<S, T>) -> bool {
[INFO] [stderr] 300 | |         self.value != other.value || self.type_ != other.type_
[INFO] [stderr] 301 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::partialeq_ne_impl)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#partialeq_ne_impl
[INFO] [stderr] 
[INFO] [stderr] warning: re-implementing `PartialEq::ne` is unnecessary
[INFO] [stderr]    --> src/lib.rs:386:5
[INFO] [stderr]     |
[INFO] [stderr] 386 | /     fn ne(&self, &OptBound(ref other): &OptBound<'a, S, T>) -> bool {
[INFO] [stderr] 387 | |         let &OptBound(ref self_) = self;
[INFO] [stderr] 388 | |         self_ != other
[INFO] [stderr] 389 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#partialeq_ne_impl
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/lib.rs:551:20
[INFO] [stderr]     |
[INFO] [stderr] 551 |         Range::new(lower.map(|v| v.clone()), upper.map(|v| v.clone()))
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `lower.cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/lib.rs:551:46
[INFO] [stderr]     |
[INFO] [stderr] 551 |         Range::new(lower.map(|v| v.clone()), upper.map(|v| v.clone()))
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `upper.cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/lib.rs:588:17
[INFO] [stderr]     |
[INFO] [stderr] 588 |                 l_lower.map(|v| v.clone()),
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `l_lower.cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/lib.rs:589:17
[INFO] [stderr]     |
[INFO] [stderr] 589 |                 u_upper.map(|v| v.clone()),
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `u_upper.cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:357:13
[INFO] [stderr]     |
[INFO] [stderr] 357 |             value: value,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `value`
[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/lib.rs:358:13
[INFO] [stderr]     |
[INFO] [stderr] 358 |             type_: type_,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `type_`
[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: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/impls.rs:12:28
[INFO] [stderr]    |
[INFO] [stderr] 12 |           let element_type = match ty.kind() {
[INFO] [stderr]    |  ____________________________^
[INFO] [stderr] 13 | |             &Kind::Range(ref ty) => ty,
[INFO] [stderr] 14 | |             _ => panic!("unexpected type {:?}", ty),
[INFO] [stderr] 15 | |         };
[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] 12 |         let element_type = match *ty.kind() {
[INFO] [stderr] 13 |             Kind::Range(ref ty) => ty,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/impls.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 | /         match ty.kind() {
[INFO] [stderr] 29 | |             &Kind::Range(ref inner) => <T as FromSql>::accepts(inner),
[INFO] [stderr] 30 | |             _ => false,
[INFO] [stderr] 31 | |         }
[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] 28 |         match *ty.kind() {
[INFO] [stderr] 29 |             Kind::Range(ref inner) => <T as FromSql>::accepts(inner),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/impls.rs:64:28
[INFO] [stderr]    |
[INFO] [stderr] 64 |           let element_type = match ty.kind() {
[INFO] [stderr]    |  ____________________________^
[INFO] [stderr] 65 | |             &Kind::Range(ref ty) => ty,
[INFO] [stderr] 66 | |             _ => panic!("unexpected type {:?}", ty),
[INFO] [stderr] 67 | |         };
[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] 64 |         let element_type = match *ty.kind() {
[INFO] [stderr] 65 |             Kind::Range(ref ty) => ty,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/impls.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 | /         match ty.kind() {
[INFO] [stderr] 84 | |             &Kind::Range(ref inner) => <T as ToSql>::accepts(inner),
[INFO] [stderr] 85 | |             _ => false,
[INFO] [stderr] 86 | |         }
[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] 83 |         match *ty.kind() {
[INFO] [stderr] 84 |             Kind::Range(ref inner) => <T as ToSql>::accepts(inner),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:253:20
[INFO] [stderr]     |
[INFO] [stderr] 253 |             type_: self.type_.clone(),
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.type_`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: re-implementing `PartialEq::ne` is unnecessary
[INFO] [stderr]    --> src/lib.rs:299:5
[INFO] [stderr]     |
[INFO] [stderr] 299 | /     fn ne(&self, other: &RangeBound<S, T>) -> bool {
[INFO] [stderr] 300 | |         self.value != other.value || self.type_ != other.type_
[INFO] [stderr] 301 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::partialeq_ne_impl)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#partialeq_ne_impl
[INFO] [stderr] 
[INFO] [stderr] warning: re-implementing `PartialEq::ne` is unnecessary
[INFO] [stderr]    --> src/lib.rs:386:5
[INFO] [stderr]     |
[INFO] [stderr] 386 | /     fn ne(&self, &OptBound(ref other): &OptBound<'a, S, T>) -> bool {
[INFO] [stderr] 387 | |         let &OptBound(ref self_) = self;
[INFO] [stderr] 388 | |         self_ != other
[INFO] [stderr] 389 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#partialeq_ne_impl
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/lib.rs:551:20
[INFO] [stderr]     |
[INFO] [stderr] 551 |         Range::new(lower.map(|v| v.clone()), upper.map(|v| v.clone()))
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `lower.cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/lib.rs:551:46
[INFO] [stderr]     |
[INFO] [stderr] 551 |         Range::new(lower.map(|v| v.clone()), upper.map(|v| v.clone()))
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `upper.cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/lib.rs:588:17
[INFO] [stderr]     |
[INFO] [stderr] 588 |                 l_lower.map(|v| v.clone()),
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `l_lower.cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/lib.rs:589:17
[INFO] [stderr]     |
[INFO] [stderr] 589 |                 u_upper.map(|v| v.clone()),
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `u_upper.cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/lib.rs:751:30
[INFO] [stderr]     |
[INFO] [stderr] 751 |         let exp = Range::new(r2.lower().map(|v| v.clone()), r1.upper().map(|v| v.clone()));
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `r2.lower().cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:751:49
[INFO] [stderr]     |
[INFO] [stderr] 751 |         let exp = Range::new(r2.lower().map(|v| v.clone()), r1.upper().map(|v| v.clone()));
[INFO] [stderr]     |                                                 ^^^^^^^^^ help: try dereferencing it: `*v`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/lib.rs:751:61
[INFO] [stderr]     |
[INFO] [stderr] 751 |         let exp = Range::new(r2.lower().map(|v| v.clone()), r1.upper().map(|v| v.clone()));
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `r1.upper().cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:751:80
[INFO] [stderr]     |
[INFO] [stderr] 751 |         let exp = Range::new(r2.lower().map(|v| v.clone()), r1.upper().map(|v| v.clone()));
[INFO] [stderr]     |                                                                                ^^^^^^^^^ help: try dereferencing it: `*v`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.22s
[INFO] running `"docker" "inspect" "357f724ad2b6f626189786b307adbe78c8aaadc83487458f2f27ccd847f1bdc3"`
[INFO] running `"docker" "rm" "-f" "357f724ad2b6f626189786b307adbe78c8aaadc83487458f2f27ccd847f1bdc3"`
[INFO] [stdout] 357f724ad2b6f626189786b307adbe78c8aaadc83487458f2f27ccd847f1bdc3