[INFO] updating cached repository maxastyler/unit-conversion
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/maxastyler/unit-conversion
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/maxastyler/unit-conversion" "work/ex/clippy-test-run/sources/stable/gh/maxastyler/unit-conversion"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/maxastyler/unit-conversion'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/maxastyler/unit-conversion" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/maxastyler/unit-conversion"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/maxastyler/unit-conversion'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 115db73ee4cfe2106ff66c614ef63c6c09181053
[INFO] sha for GitHub repo maxastyler/unit-conversion: 115db73ee4cfe2106ff66c614ef63c6c09181053
[INFO] validating manifest of maxastyler/unit-conversion 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 maxastyler/unit-conversion 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 maxastyler/unit-conversion
[INFO] finished frobbing maxastyler/unit-conversion
[INFO] frobbed toml for maxastyler/unit-conversion written to work/ex/clippy-test-run/sources/stable/gh/maxastyler/unit-conversion/Cargo.toml
[INFO] started frobbing maxastyler/unit-conversion
[INFO] finished frobbing maxastyler/unit-conversion
[INFO] frobbed toml for maxastyler/unit-conversion written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/maxastyler/unit-conversion/Cargo.toml
[INFO] crate maxastyler/unit-conversion 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 maxastyler/unit-conversion against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/maxastyler/unit-conversion:/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] 844239a54854c6596b1252f69fa8188519aa2a8e4ea5e36bb339cf45246d7fec
[INFO] running `"docker" "start" "-a" "844239a54854c6596b1252f69fa8188519aa2a8e4ea5e36bb339cf45246d7fec"`
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking unit-conversion v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/unit.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/unit.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]  --> src/unit.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `be_i32`
[INFO] [stderr]  --> src/parser.rs:1:18
[INFO] [stderr]   |
[INFO] [stderr] 1 | use nom::{digit, be_i32, double, alpha, rest};
[INFO] [stderr]   |                  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]   --> src/parser.rs:52:30
[INFO] [stderr]    |
[INFO] [stderr] 52 |     use nom::IResult::{Done, Error};
[INFO] [stderr]    |                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/unit.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/unit.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]  --> src/unit.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `be_i32`
[INFO] [stderr]  --> src/parser.rs:1:18
[INFO] [stderr]   |
[INFO] [stderr] 1 | use nom::{digit, be_i32, double, alpha, rest};
[INFO] [stderr]   |                  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Mul`
[INFO] [stderr]  --> src/unit.rs:5:16
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::ops::{Mul, Div};
[INFO] [stderr]   |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Div`
[INFO] [stderr]  --> src/unit.rs:5:21
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::ops::{Mul, Div};
[INFO] [stderr]   |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]   --> src/parser.rs:52:30
[INFO] [stderr]    |
[INFO] [stderr] 52 |     use nom::IResult::{Done, Error};
[INFO] [stderr]    |                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]   --> src/parser.rs:83:34
[INFO] [stderr]    |
[INFO] [stderr] 83 |         use nom::IResult::{Done, Error};
[INFO] [stderr]    |                                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]   --> src/unit.rs:41:30
[INFO] [stderr]    |
[INFO] [stderr] 41 |             Some(u) => { for j in 0..i.abs() {
[INFO] [stderr]    |                              ^ help: consider using `_j` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `matches`
[INFO] [stderr]   --> src/dimension.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn matches(&self, other: &Dimension) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add`
[INFO] [stderr]   --> src/dimension.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn add(&self, other: &Dimension) -> Option<Dimension> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `sub`
[INFO] [stderr]   --> src/dimension.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub fn sub(&self, other: &Dimension) -> Option<Dimension> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pow`
[INFO] [stderr]   --> src/dimension.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     pub fn pow(&self, power: i32) -> Dimension {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `root`
[INFO] [stderr]   --> src/dimension.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 |     pub fn root(&self, root: i32) -> Dimension {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add`
[INFO] [stderr]   --> src/quantity.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn add(&self, other: Quantity) -> Option<Quantity> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `sub`
[INFO] [stderr]   --> src/quantity.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn sub(&self, other: Quantity) -> Option<Quantity> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `mul`
[INFO] [stderr]   --> src/quantity.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn mul(&self, other: Quantity) -> Quantity {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `div`
[INFO] [stderr]   --> src/quantity.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn div(&self, other: Quantity) -> Quantity {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pow`
[INFO] [stderr]   --> src/unit.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn pow(&self, power: i32) -> Unit {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `root`
[INFO] [stderr]   --> src/unit.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn root(&self, root: i32) -> Unit {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this if-then-else expression returns a bool literal
[INFO] [stderr]   --> src/dimension.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 | /         if self.array() == other.array() { true }
[INFO] [stderr] 46 | |         else { false }
[INFO] [stderr]    | |______________________^ help: you can reduce it to: `self.array() == other.array()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/unit.rs:31:35
[INFO] [stderr]    |
[INFO] [stderr] 31 |         Unit::new(self.value.powf(power as f64), &self.dimension.pow(power).array())
[INFO] [stderr]    |                                   ^^^^^^^^^^^^ help: try: `f64::from(power)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/unit.rs:34:39
[INFO] [stderr]    |
[INFO] [stderr] 34 |         Unit::new(self.value.powf(1.0/(root as f64)), &self.dimension.root(root).array())
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^ help: try: `f64::from(root)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/parser.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 | /     match split_lines {
[INFO] [stderr] 56 | |         Done(_, tup) => {
[INFO] [stderr] 57 | |             for u in tup.into_iter().map(|x| parse_unit(x)){
[INFO] [stderr] 58 | |                 match u {
[INFO] [stderr] ...  |
[INFO] [stderr] 66 | |         _ => ()
[INFO] [stderr] 67 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 55 |     if let Done(_, tup) = split_lines {
[INFO] [stderr] 56 |     for u in tup.into_iter().map(|x| parse_unit(x)){
[INFO] [stderr] 57 |         match u {
[INFO] [stderr] 58 |             Done(_, s) => {
[INFO] [stderr] 59 |                 split_units.push(s);
[INFO] [stderr] 60 |             },
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/parser.rs:58:17
[INFO] [stderr]    |
[INFO] [stderr] 58 | /                 match u {
[INFO] [stderr] 59 | |                     Done(_, s) => {
[INFO] [stderr] 60 | |                         split_units.push(s);
[INFO] [stderr] 61 | |                     },
[INFO] [stderr] 62 | |                     _ => ()
[INFO] [stderr] 63 | |                 }
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 58 |                 if let Done(_, s) = u {
[INFO] [stderr] 59 |     split_units.push(s);
[INFO] [stderr] 60 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Mul`
[INFO] [stderr]  --> src/unit.rs:5:16
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::ops::{Mul, Div};
[INFO] [stderr]   |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Div`
[INFO] [stderr]  --> src/unit.rs:5:21
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::ops::{Mul, Div};
[INFO] [stderr]   |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]   --> src/unit.rs:41:30
[INFO] [stderr]    |
[INFO] [stderr] 41 |             Some(u) => { for j in 0..i.abs() {
[INFO] [stderr]    |                              ^ help: consider using `_j` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `matches`
[INFO] [stderr]   --> src/dimension.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn matches(&self, other: &Dimension) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add`
[INFO] [stderr]   --> src/dimension.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn add(&self, other: &Dimension) -> Option<Dimension> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `sub`
[INFO] [stderr]   --> src/dimension.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub fn sub(&self, other: &Dimension) -> Option<Dimension> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pow`
[INFO] [stderr]   --> src/dimension.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     pub fn pow(&self, power: i32) -> Dimension {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `root`
[INFO] [stderr]   --> src/dimension.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 |     pub fn root(&self, root: i32) -> Dimension {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add`
[INFO] [stderr]   --> src/quantity.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn add(&self, other: Quantity) -> Option<Quantity> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `sub`
[INFO] [stderr]   --> src/quantity.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn sub(&self, other: Quantity) -> Option<Quantity> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `mul`
[INFO] [stderr]   --> src/quantity.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn mul(&self, other: Quantity) -> Quantity {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `div`
[INFO] [stderr]   --> src/quantity.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn div(&self, other: Quantity) -> Quantity {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pow`
[INFO] [stderr]   --> src/unit.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn pow(&self, power: i32) -> Unit {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `root`
[INFO] [stderr]   --> src/unit.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn root(&self, root: i32) -> Unit {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this if-then-else expression returns a bool literal
[INFO] [stderr]   --> src/dimension.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 | /         if self.array() == other.array() { true }
[INFO] [stderr] 46 | |         else { false }
[INFO] [stderr]    | |______________________^ help: you can reduce it to: `self.array() == other.array()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/unit.rs:31:35
[INFO] [stderr]    |
[INFO] [stderr] 31 |         Unit::new(self.value.powf(power as f64), &self.dimension.pow(power).array())
[INFO] [stderr]    |                                   ^^^^^^^^^^^^ help: try: `f64::from(power)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/unit.rs:34:39
[INFO] [stderr]    |
[INFO] [stderr] 34 |         Unit::new(self.value.powf(1.0/(root as f64)), &self.dimension.root(root).array())
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^ help: try: `f64::from(root)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/parser.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 | /     match split_lines {
[INFO] [stderr] 56 | |         Done(_, tup) => {
[INFO] [stderr] 57 | |             for u in tup.into_iter().map(|x| parse_unit(x)){
[INFO] [stderr] 58 | |                 match u {
[INFO] [stderr] ...  |
[INFO] [stderr] 66 | |         _ => ()
[INFO] [stderr] 67 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 55 |     if let Done(_, tup) = split_lines {
[INFO] [stderr] 56 |     for u in tup.into_iter().map(|x| parse_unit(x)){
[INFO] [stderr] 57 |         match u {
[INFO] [stderr] 58 |             Done(_, s) => {
[INFO] [stderr] 59 |                 split_units.push(s);
[INFO] [stderr] 60 |             },
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/parser.rs:58:17
[INFO] [stderr]    |
[INFO] [stderr] 58 | /                 match u {
[INFO] [stderr] 59 | |                     Done(_, s) => {
[INFO] [stderr] 60 | |                         split_units.push(s);
[INFO] [stderr] 61 | |                     },
[INFO] [stderr] 62 | |                     _ => ()
[INFO] [stderr] 63 | |                 }
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 58 |                 if let Done(_, s) = u {
[INFO] [stderr] 59 |     split_units.push(s);
[INFO] [stderr] 60 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.22s
[INFO] running `"docker" "inspect" "844239a54854c6596b1252f69fa8188519aa2a8e4ea5e36bb339cf45246d7fec"`
[INFO] running `"docker" "rm" "-f" "844239a54854c6596b1252f69fa8188519aa2a8e4ea5e36bb339cf45246d7fec"`
[INFO] [stdout] 844239a54854c6596b1252f69fa8188519aa2a8e4ea5e36bb339cf45246d7fec