[INFO] crate greeks 0.5.0 is already in cache
[INFO] extracting crate greeks 0.5.0 into work/ex/clippy-test-run/sources/stable/reg/greeks/0.5.0
[INFO] extracting crate greeks 0.5.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/greeks/0.5.0
[INFO] validating manifest of greeks-0.5.0 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 greeks-0.5.0 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 greeks-0.5.0
[INFO] finished frobbing greeks-0.5.0
[INFO] frobbed toml for greeks-0.5.0 written to work/ex/clippy-test-run/sources/stable/reg/greeks/0.5.0/Cargo.toml
[INFO] started frobbing greeks-0.5.0
[INFO] finished frobbing greeks-0.5.0
[INFO] frobbed toml for greeks-0.5.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/greeks/0.5.0/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 greeks-0.5.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/greeks/0.5.0:/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] 016108014e5da319b6ef134995709d39215e221bebfe5c205504d01e23eee1cc
[INFO] running `"docker" "start" "-a" "016108014e5da319b6ef134995709d39215e221bebfe5c205504d01e23eee1cc"`
[INFO] [stderr]     Checking greeks v0.5.0 (/opt/crater/workdir)
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/greeks/first.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let e = E.powf(-(q * t));
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/greeks/first.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let e = E.powf(-(q * t));
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/greeks/first.rs:55:73
[INFO] [stderr]    |
[INFO] [stderr] 55 | pub fn lambda_call(s0: f64, x: f64, t: f64, r: f64, q: f64, sigma: f64, v: f64) -> f64 {
[INFO] [stderr]    |                                                                         ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/greeks/first.rs:72:72
[INFO] [stderr]    |
[INFO] [stderr] 72 | pub fn lambda_put(s0: f64, x: f64, t: f64, r: f64, q: f64, sigma: f64, v: f64) -> f64 {
[INFO] [stderr]    |                                                                        ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/greeks/first.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let e = E.powf(-(q * t));
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/greeks/first.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let e = E.powf(-(q * t));
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/greeks/first.rs:55:73
[INFO] [stderr]    |
[INFO] [stderr] 55 | pub fn lambda_call(s0: f64, x: f64, t: f64, r: f64, q: f64, sigma: f64, v: f64) -> f64 {
[INFO] [stderr]    |                                                                         ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/greeks/first.rs:72:72
[INFO] [stderr]    |
[INFO] [stderr] 72 | pub fn lambda_put(s0: f64, x: f64, t: f64, r: f64, q: f64, sigma: f64, v: f64) -> f64 {
[INFO] [stderr]    |                                                                        ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]  --> src/common.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     return (ln + t_num) / (sigma * t.sqrt());
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(ln + t_num) / (sigma * t.sqrt())`
[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: unneeded return statement
[INFO] [stderr]   --> src/common.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     return d1 - (t.sqrt() * sigma);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `d1 - (t.sqrt() * sigma)`
[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/common.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     return d1 - (t.sqrt() * sigma);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `d1 - (t.sqrt() * sigma)`
[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/common.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     return 1.0 / (2.0 * PI).sqrt();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `1.0 / (2.0 * PI).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/greeks/first.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     return e * cnd;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ help: remove `return` as shown: `e * cnd`
[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/greeks/first.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     return e * (cnd - 1.0);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `e * (cnd - 1.0)`
[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/greeks/first.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     return lambda(s0, v, delta);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `lambda(s0, v, delta)`
[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/greeks/first.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     return lambda(s0, v, delta);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `lambda(s0, v, delta)`
[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/greeks/first.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     return delta * s0 / v;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `delta * s0 / v`
[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/greeks/first.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     return (1.0 / 100.0) * x * t * E.powf(-r * t) * d2_cnd;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(1.0 / 100.0) * x * t * E.powf(-r * t) * d2_cnd`
[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/greeks/first.rs:110:5
[INFO] [stderr]     |
[INFO] [stderr] 110 |     return -(1.0 / 100.0) * x * t * E.powf(-r * t) * neg_d2_cnd;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `-(1.0 / 100.0) * x * t * E.powf(-r * t) * neg_d2_cnd`
[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/greeks/first.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 |     return (1.0 / days_per_year) * (arg1 - arg2 + arg3);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(1.0 / days_per_year) * (arg1 - arg2 + arg3)`
[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/greeks/first.rs:143:5
[INFO] [stderr]     |
[INFO] [stderr] 143 |     return (1.0 / days_per_year) * (arg1 + arg2 - arg3);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(1.0 / days_per_year) * (arg1 + arg2 - arg3)`
[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/greeks/first.rs:147:5
[INFO] [stderr]     |
[INFO] [stderr] 147 | /     return -(((s0 * sigma * E.powf(-q * t)) / (2.0 * t.sqrt())) * one_over_sqrt_pi() *
[INFO] [stderr] 148 | |              E.powf((-d1.powf(2.0)) / 2.0));
[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] 147 |     -(((s0 * sigma * E.powf(-q * t)) / (2.0 * t.sqrt())) * one_over_sqrt_pi() *
[INFO] [stderr] 148 |              E.powf((-d1.powf(2.0)) / 2.0))
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/greeks/first.rs:152:5
[INFO] [stderr]     |
[INFO] [stderr] 152 |     return r * x * E.powf(-r * t) * cnd(d2);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `r * x * E.powf(-r * t) * cnd(d2)`
[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/greeks/first.rs:156:5
[INFO] [stderr]     |
[INFO] [stderr] 156 |     return q * s0 * E.powf(-q * t) * cnd(d1);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `q * s0 * E.powf(-q * t) * cnd(d1)`
[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/greeks/first.rs:172:5
[INFO] [stderr]     |
[INFO] [stderr] 172 |     return vega_d1(s0, t, q, d1);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `vega_d1(s0, t, q, d1)`
[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/greeks/first.rs:179:5
[INFO] [stderr]     |
[INFO] [stderr] 179 |     return mult1 * mult2 * mult3;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `mult1 * mult2 * mult3`
[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: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/greeks/first.rs:178:24
[INFO] [stderr]     |
[INFO] [stderr] 178 |     let mult3 = E.powf((-d1.powf(2.0) / 2.0));
[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/greeks/first.rs:178:24
[INFO] [stderr]     |
[INFO] [stderr] 178 |     let mult3 = E.powf((-d1.powf(2.0) / 2.0));
[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: unneeded return statement
[INFO] [stderr]   --> src/greeks/second.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     return gamma_d1(s0, t, q, sigma, d1);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `gamma_d1(s0, t, q, sigma, d1)`
[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/greeks/second.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     return arg1 * arg2 * arg3;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `arg1 * arg2 * arg3`
[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/price.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     return arg1 - arg2;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `arg1 - arg2`
[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/price.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     return -arg1 + arg2;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `-arg1 + arg2`
[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: long literal lacking separators
[INFO] [stderr]  --> src/stats.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | const A1: f64 = 0.31938153;
[INFO] [stderr]   |                 ^^^^^^^^^^ help: consider: `0.319_381_53`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]  --> src/stats.rs:5:18
[INFO] [stderr]   |
[INFO] [stderr] 5 | const A2: f64 = -0.356563782;
[INFO] [stderr]   |                  ^^^^^^^^^^^ help: consider: `0.356_563_782`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]  --> src/stats.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 | const A3: f64 = 1.781477937;
[INFO] [stderr]   |                 ^^^^^^^^^^^ help: consider: `1.781_477_937`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]  --> src/stats.rs:7:18
[INFO] [stderr]   |
[INFO] [stderr] 7 | const A4: f64 = -1.821255978;
[INFO] [stderr]   |                  ^^^^^^^^^^^ help: consider: `1.821_255_978`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]  --> src/stats.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 | const A5: f64 = 1.330274429;
[INFO] [stderr]   |                 ^^^^^^^^^^^ help: consider: `1.330_274_429`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]  --> src/stats.rs:9:22
[INFO] [stderr]   |
[INFO] [stderr] 9 | const RSQRTPI: f64 = 0.39894228040143267793994605993438;
[INFO] [stderr]   |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0.398_942_280_401_432_677_939_946_059_934_38`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/stats.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     return cnd;
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `cnd`
[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: long literal lacking separators
[INFO] [stderr]   --> src/stats.rs:13:26
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let k = 1.0 / (1.0 + 0.2316419 * x.abs());
[INFO] [stderr]    |                          ^^^^^^^^^ help: consider: `0.231_641_9`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]  --> src/value.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     return if res > 0.0 { res } else { 0.0 };
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `if res > 0.0 { res } else { 0.0 }`
[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/value.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     return if res > 0.0 { res } else { 0.0 };
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `if res > 0.0 { res } else { 0.0 }`
[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: float has excessive precision
[INFO] [stderr]  --> src/stats.rs:9:22
[INFO] [stderr]   |
[INFO] [stderr] 9 | const RSQRTPI: f64 = 0.39894228040143267793994605993438;
[INFO] [stderr]   |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider changing the type or truncating it to: `0.398_942_280_401_432_7`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::excessive_precision)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#excessive_precision
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]  --> src/common.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     return (ln + t_num) / (sigma * t.sqrt());
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(ln + t_num) / (sigma * t.sqrt())`
[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: unneeded return statement
[INFO] [stderr]   --> src/common.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     return d1 - (t.sqrt() * sigma);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `d1 - (t.sqrt() * sigma)`
[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/common.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     return d1 - (t.sqrt() * sigma);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `d1 - (t.sqrt() * sigma)`
[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/common.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     return 1.0 / (2.0 * PI).sqrt();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `1.0 / (2.0 * PI).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/greeks/first.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     return e * cnd;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ help: remove `return` as shown: `e * cnd`
[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/greeks/first.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     return e * (cnd - 1.0);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `e * (cnd - 1.0)`
[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/greeks/first.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     return lambda(s0, v, delta);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `lambda(s0, v, delta)`
[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/greeks/first.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     return lambda(s0, v, delta);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `lambda(s0, v, delta)`
[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/greeks/first.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     return delta * s0 / v;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `delta * s0 / v`
[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/greeks/first.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     return (1.0 / 100.0) * x * t * E.powf(-r * t) * d2_cnd;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(1.0 / 100.0) * x * t * E.powf(-r * t) * d2_cnd`
[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/greeks/first.rs:110:5
[INFO] [stderr]     |
[INFO] [stderr] 110 |     return -(1.0 / 100.0) * x * t * E.powf(-r * t) * neg_d2_cnd;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `-(1.0 / 100.0) * x * t * E.powf(-r * t) * neg_d2_cnd`
[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/greeks/first.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 |     return (1.0 / days_per_year) * (arg1 - arg2 + arg3);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(1.0 / days_per_year) * (arg1 - arg2 + arg3)`
[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/greeks/first.rs:143:5
[INFO] [stderr]     |
[INFO] [stderr] 143 |     return (1.0 / days_per_year) * (arg1 + arg2 - arg3);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(1.0 / days_per_year) * (arg1 + arg2 - arg3)`
[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/greeks/first.rs:147:5
[INFO] [stderr]     |
[INFO] [stderr] 147 | /     return -(((s0 * sigma * E.powf(-q * t)) / (2.0 * t.sqrt())) * one_over_sqrt_pi() *
[INFO] [stderr] 148 | |              E.powf((-d1.powf(2.0)) / 2.0));
[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] 147 |     -(((s0 * sigma * E.powf(-q * t)) / (2.0 * t.sqrt())) * one_over_sqrt_pi() *
[INFO] [stderr] 148 |              E.powf((-d1.powf(2.0)) / 2.0))
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/greeks/first.rs:152:5
[INFO] [stderr]     |
[INFO] [stderr] 152 |     return r * x * E.powf(-r * t) * cnd(d2);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `r * x * E.powf(-r * t) * cnd(d2)`
[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/greeks/first.rs:156:5
[INFO] [stderr]     |
[INFO] [stderr] 156 |     return q * s0 * E.powf(-q * t) * cnd(d1);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `q * s0 * E.powf(-q * t) * cnd(d1)`
[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/greeks/first.rs:172:5
[INFO] [stderr]     |
[INFO] [stderr] 172 |     return vega_d1(s0, t, q, d1);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `vega_d1(s0, t, q, d1)`
[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/greeks/first.rs:179:5
[INFO] [stderr]     |
[INFO] [stderr] 179 |     return mult1 * mult2 * mult3;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `mult1 * mult2 * mult3`
[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: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/greeks/first.rs:178:24
[INFO] [stderr]     |
[INFO] [stderr] 178 |     let mult3 = E.powf((-d1.powf(2.0) / 2.0));
[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/greeks/first.rs:178:24
[INFO] [stderr]     |
[INFO] [stderr] 178 |     let mult3 = E.powf((-d1.powf(2.0) / 2.0));
[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: unneeded return statement
[INFO] [stderr]   --> src/greeks/second.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     return gamma_d1(s0, t, q, sigma, d1);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `gamma_d1(s0, t, q, sigma, d1)`
[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/greeks/second.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     return arg1 * arg2 * arg3;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `arg1 * arg2 * arg3`
[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/price.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     return arg1 - arg2;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `arg1 - arg2`
[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/price.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     return -arg1 + arg2;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `-arg1 + arg2`
[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: long literal lacking separators
[INFO] [stderr]  --> src/stats.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | const A1: f64 = 0.31938153;
[INFO] [stderr]   |                 ^^^^^^^^^^ help: consider: `0.319_381_53`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]  --> src/stats.rs:5:18
[INFO] [stderr]   |
[INFO] [stderr] 5 | const A2: f64 = -0.356563782;
[INFO] [stderr]   |                  ^^^^^^^^^^^ help: consider: `0.356_563_782`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]  --> src/stats.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 | const A3: f64 = 1.781477937;
[INFO] [stderr]   |                 ^^^^^^^^^^^ help: consider: `1.781_477_937`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]  --> src/stats.rs:7:18
[INFO] [stderr]   |
[INFO] [stderr] 7 | const A4: f64 = -1.821255978;
[INFO] [stderr]   |                  ^^^^^^^^^^^ help: consider: `1.821_255_978`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]  --> src/stats.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 | const A5: f64 = 1.330274429;
[INFO] [stderr]   |                 ^^^^^^^^^^^ help: consider: `1.330_274_429`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]  --> src/stats.rs:9:22
[INFO] [stderr]   |
[INFO] [stderr] 9 | const RSQRTPI: f64 = 0.39894228040143267793994605993438;
[INFO] [stderr]   |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0.398_942_280_401_432_677_939_946_059_934_38`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/stats.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     return cnd;
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `cnd`
[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: long literal lacking separators
[INFO] [stderr]   --> src/stats.rs:13:26
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let k = 1.0 / (1.0 + 0.2316419 * x.abs());
[INFO] [stderr]    |                          ^^^^^^^^^ help: consider: `0.231_641_9`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]  --> src/value.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     return if res > 0.0 { res } else { 0.0 };
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `if res > 0.0 { res } else { 0.0 }`
[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/value.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     return if res > 0.0 { res } else { 0.0 };
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `if res > 0.0 { res } else { 0.0 }`
[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: float has excessive precision
[INFO] [stderr]  --> src/stats.rs:9:22
[INFO] [stderr]   |
[INFO] [stderr] 9 | const RSQRTPI: f64 = 0.39894228040143267793994605993438;
[INFO] [stderr]   |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider changing the type or truncating it to: `0.398_942_280_401_432_7`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::excessive_precision)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#excessive_precision
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> benches/bench.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `greeks`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "016108014e5da319b6ef134995709d39215e221bebfe5c205504d01e23eee1cc"`
[INFO] running `"docker" "rm" "-f" "016108014e5da319b6ef134995709d39215e221bebfe5c205504d01e23eee1cc"`
[INFO] [stdout] 016108014e5da319b6ef134995709d39215e221bebfe5c205504d01e23eee1cc