[INFO] updating cached repository AlexPikalov/rsmath
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/AlexPikalov/rsmath
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/AlexPikalov/rsmath" "work/ex/clippy-test-run/sources/stable/gh/AlexPikalov/rsmath"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/AlexPikalov/rsmath'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AlexPikalov/rsmath" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/AlexPikalov/rsmath"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/AlexPikalov/rsmath'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 123492b49605cafe839b18080d3bc550392fa1b6
[INFO] sha for GitHub repo AlexPikalov/rsmath: 123492b49605cafe839b18080d3bc550392fa1b6
[INFO] validating manifest of AlexPikalov/rsmath 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 AlexPikalov/rsmath 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 AlexPikalov/rsmath
[INFO] finished frobbing AlexPikalov/rsmath
[INFO] frobbed toml for AlexPikalov/rsmath written to work/ex/clippy-test-run/sources/stable/gh/AlexPikalov/rsmath/Cargo.toml
[INFO] started frobbing AlexPikalov/rsmath
[INFO] finished frobbing AlexPikalov/rsmath
[INFO] frobbed toml for AlexPikalov/rsmath written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/AlexPikalov/rsmath/Cargo.toml
[INFO] crate AlexPikalov/rsmath has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting AlexPikalov/rsmath 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-3/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/AlexPikalov/rsmath:/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] 2406fafb0ee643b5c29dc5d5a6396fe882b43584e5bcfd68e7636699f7d01b1b
[INFO] running `"docker" "start" "-a" "2406fafb0ee643b5c29dc5d5a6396fe882b43584e5bcfd68e7636699f7d01b1b"`
[INFO] [stderr]     Checking rsmath v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/basic/complex.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 | /         return Complex {
[INFO] [stderr] 11 | |             im: exp.re.exp() * exp.im.sin(),
[INFO] [stderr] 12 | |             re: exp.re.exp() * exp.im.cos(),
[INFO] [stderr] 13 | |         };
[INFO] [stderr]    | |__________^
[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] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 10 |         Complex {
[INFO] [stderr] 11 |             im: exp.re.exp() * exp.im.sin(),
[INFO] [stderr] 12 |             re: exp.re.exp() * exp.im.cos(),
[INFO] [stderr] 13 |         }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/basic/complex.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 | /         return Complex {
[INFO] [stderr] 18 | |             im: -self.im,
[INFO] [stderr] 19 | |             re: self.re,
[INFO] [stderr] 20 | |         };
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 17 |         Complex {
[INFO] [stderr] 18 |             im: -self.im,
[INFO] [stderr] 19 |             re: self.re,
[INFO] [stderr] 20 |         }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/basic/complex.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |         return (self.re.powi(2) + self.im.powi(2)).sqrt();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(self.re.powi(2) + self.im.powi(2)).sqrt()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/basic/complex.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |         return (self.im / self.re).atan();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(self.im / self.re).atan()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/basic/complex.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 | /         return Complex {
[INFO] [stderr] 35 | |             im: norm * (-arg * p.im).exp() * (arg * p.re).sin(),
[INFO] [stderr] 36 | |             re: norm * (-arg * p.im).exp() * (arg * p.re).cos(),
[INFO] [stderr] 37 | |         };
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 34 |         Complex {
[INFO] [stderr] 35 |             im: norm * (-arg * p.im).exp() * (arg * p.re).sin(),
[INFO] [stderr] 36 |             re: norm * (-arg * p.im).exp() * (arg * p.re).cos(),
[INFO] [stderr] 37 |         }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/basic/complex.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 | /         return Complex {
[INFO] [stderr] 45 | |             im: arg,
[INFO] [stderr] 46 | |             re: norm.ln(),
[INFO] [stderr] 47 | |         };
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 44 |         Complex {
[INFO] [stderr] 45 |             im: arg,
[INFO] [stderr] 46 |             re: norm.ln(),
[INFO] [stderr] 47 |         }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/basic/complex.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 | /         return Complex {
[INFO] [stderr] 52 | |             im: -self.re.sin() * self.im.sinh(),
[INFO] [stderr] 53 | |             re: self.re.cos() * self.im.cosh(),
[INFO] [stderr] 54 | |         };
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 51 |         Complex {
[INFO] [stderr] 52 |             im: -self.re.sin() * self.im.sinh(),
[INFO] [stderr] 53 |             re: self.re.cos() * self.im.cosh(),
[INFO] [stderr] 54 |         }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/basic/complex.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 | /         return Complex {
[INFO] [stderr] 63 | |             im: self.im + rhs.im,
[INFO] [stderr] 64 | |             re: self.re + rhs.re,
[INFO] [stderr] 65 | |         };
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 62 |         Complex {
[INFO] [stderr] 63 |             im: self.im + rhs.im,
[INFO] [stderr] 64 |             re: self.re + rhs.re,
[INFO] [stderr] 65 |         }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/basic/complex.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 | /         return Complex {
[INFO] [stderr] 74 | |             im: self.re * rhs.im + self.im * rhs.re,
[INFO] [stderr] 75 | |             re: self.re * rhs.re - self.im * rhs.im,
[INFO] [stderr] 76 | |         };
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 73 |         Complex {
[INFO] [stderr] 74 |             im: self.re * rhs.im + self.im * rhs.re,
[INFO] [stderr] 75 |             re: self.re * rhs.re - self.im * rhs.im,
[INFO] [stderr] 76 |         }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/basic/complex.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |         return Complex { im: 0.0, re: n };
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Complex { im: 0.0, re: n }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/basic/complex.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 | /         return Complex {
[INFO] [stderr] 11 | |             im: exp.re.exp() * exp.im.sin(),
[INFO] [stderr] 12 | |             re: exp.re.exp() * exp.im.cos(),
[INFO] [stderr] 13 | |         };
[INFO] [stderr]    | |__________^
[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] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 10 |         Complex {
[INFO] [stderr] 11 |             im: exp.re.exp() * exp.im.sin(),
[INFO] [stderr] 12 |             re: exp.re.exp() * exp.im.cos(),
[INFO] [stderr] 13 |         }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/basic/complex.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 | /         return Complex {
[INFO] [stderr] 18 | |             im: -self.im,
[INFO] [stderr] 19 | |             re: self.re,
[INFO] [stderr] 20 | |         };
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 17 |         Complex {
[INFO] [stderr] 18 |             im: -self.im,
[INFO] [stderr] 19 |             re: self.re,
[INFO] [stderr] 20 |         }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/basic/complex.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |         return (self.re.powi(2) + self.im.powi(2)).sqrt();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(self.re.powi(2) + self.im.powi(2)).sqrt()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/basic/complex.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |         return (self.im / self.re).atan();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(self.im / self.re).atan()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/basic/complex.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 | /         return Complex {
[INFO] [stderr] 35 | |             im: norm * (-arg * p.im).exp() * (arg * p.re).sin(),
[INFO] [stderr] 36 | |             re: norm * (-arg * p.im).exp() * (arg * p.re).cos(),
[INFO] [stderr] 37 | |         };
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 34 |         Complex {
[INFO] [stderr] 35 |             im: norm * (-arg * p.im).exp() * (arg * p.re).sin(),
[INFO] [stderr] 36 |             re: norm * (-arg * p.im).exp() * (arg * p.re).cos(),
[INFO] [stderr] 37 |         }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/basic/complex.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 | /         return Complex {
[INFO] [stderr] 45 | |             im: arg,
[INFO] [stderr] 46 | |             re: norm.ln(),
[INFO] [stderr] 47 | |         };
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 44 |         Complex {
[INFO] [stderr] 45 |             im: arg,
[INFO] [stderr] 46 |             re: norm.ln(),
[INFO] [stderr] 47 |         }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/basic/complex.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 | /         return Complex {
[INFO] [stderr] 52 | |             im: -self.re.sin() * self.im.sinh(),
[INFO] [stderr] 53 | |             re: self.re.cos() * self.im.cosh(),
[INFO] [stderr] 54 | |         };
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 51 |         Complex {
[INFO] [stderr] 52 |             im: -self.re.sin() * self.im.sinh(),
[INFO] [stderr] 53 |             re: self.re.cos() * self.im.cosh(),
[INFO] [stderr] 54 |         }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/basic/complex.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 | /         return Complex {
[INFO] [stderr] 63 | |             im: self.im + rhs.im,
[INFO] [stderr] 64 | |             re: self.re + rhs.re,
[INFO] [stderr] 65 | |         };
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 62 |         Complex {
[INFO] [stderr] 63 |             im: self.im + rhs.im,
[INFO] [stderr] 64 |             re: self.re + rhs.re,
[INFO] [stderr] 65 |         }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/basic/complex.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 | /         return Complex {
[INFO] [stderr] 74 | |             im: self.re * rhs.im + self.im * rhs.re,
[INFO] [stderr] 75 | |             re: self.re * rhs.re - self.im * rhs.im,
[INFO] [stderr] 76 | |         };
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 73 |         Complex {
[INFO] [stderr] 74 |             im: self.re * rhs.im + self.im * rhs.re,
[INFO] [stderr] 75 |             re: self.re * rhs.re - self.im * rhs.im,
[INFO] [stderr] 76 |         }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/basic/complex.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |         return Complex { im: 0.0, re: n };
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Complex { im: 0.0, re: n }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `"docker" "inspect" "2406fafb0ee643b5c29dc5d5a6396fe882b43584e5bcfd68e7636699f7d01b1b"`
[INFO] running `"docker" "rm" "-f" "2406fafb0ee643b5c29dc5d5a6396fe882b43584e5bcfd68e7636699f7d01b1b"`
[INFO] [stdout] 2406fafb0ee643b5c29dc5d5a6396fe882b43584e5bcfd68e7636699f7d01b1b