[INFO] crate lcov-tool 0.1.5 is already in cache
[INFO] extracting crate lcov-tool 0.1.5 into work/ex/clippy-test-run/sources/stable/reg/lcov-tool/0.1.5
[INFO] extracting crate lcov-tool 0.1.5 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/lcov-tool/0.1.5
[INFO] validating manifest of lcov-tool-0.1.5 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 lcov-tool-0.1.5 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 lcov-tool-0.1.5
[INFO] finished frobbing lcov-tool-0.1.5
[INFO] frobbed toml for lcov-tool-0.1.5 written to work/ex/clippy-test-run/sources/stable/reg/lcov-tool/0.1.5/Cargo.toml
[INFO] started frobbing lcov-tool-0.1.5
[INFO] finished frobbing lcov-tool-0.1.5
[INFO] frobbed toml for lcov-tool-0.1.5 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/lcov-tool/0.1.5/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 lcov-tool-0.1.5 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/lcov-tool/0.1.5:/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] 05d3b32c2d7c8b33e7e399b9e950d9c9e20e18880528ada589cdde8a4bd5dd0c
[INFO] running `"docker" "start" "-a" "05d3b32c2d7c8b33e7e399b9e950d9c9e20e18880528ada589cdde8a4bd5dd0c"`
[INFO] [stderr]     Checking lcov-parser v2.1.1
[INFO] [stderr]     Checking lcov-tool v0.1.5 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/report.rs:12:18
[INFO] [stderr]    |
[INFO] [stderr] 12 |         Report { files: files }
[INFO] [stderr]    |                  ^^^^^^^^^^^^ help: replace it with: `files`
[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/report.rs:41:57
[INFO] [stderr]    |
[INFO] [stderr] 41 |         FileResult { path: path.as_ref().to_path_buf(), coverage: coverage }
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^^ help: replace it with: `coverage`
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/command/coverage/parser.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |             parser: parser,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `parser`
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/command/coverage/processor.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |             name: name,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `name`
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/report.rs:12:18
[INFO] [stderr]    |
[INFO] [stderr] 12 |         Report { files: files }
[INFO] [stderr]    |                  ^^^^^^^^^^^^ help: replace it with: `files`
[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/report.rs:41:57
[INFO] [stderr]    |
[INFO] [stderr] 41 |         FileResult { path: path.as_ref().to_path_buf(), coverage: coverage }
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^^ help: replace it with: `coverage`
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/command/coverage/parser.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |             parser: parser,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `parser`
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/command/coverage/processor.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |             name: name,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `name`
[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: re-implementing `PartialEq::ne` is unnecessary
[INFO] [stderr]   --> src/coverage.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 | /     fn ne(&self, other: &Self) -> bool {
[INFO] [stderr] 31 | |         self.0 != other.0
[INFO] [stderr] 32 | |     }
[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: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]   --> src/report.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |             let _ = try!(write!(f, "{}", file));
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_unit_value)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/command/coverage/parser.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 | /         match record {
[INFO] [stderr] 44 | |             &LCOVRecord::SourceFile(ref name) => self.on_source_file(name.clone()),
[INFO] [stderr] 45 | |             &LCOVRecord::Data(ref data) => self.on_data(data),
[INFO] [stderr] 46 | |             &LCOVRecord::EndOfRecord => self.on_end_of_record(),
[INFO] [stderr] 47 | |             _ => {}
[INFO] [stderr] 48 | |         }
[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] 43 |         match *record {
[INFO] [stderr] 44 |             LCOVRecord::SourceFile(ref name) => self.on_source_file(name.clone()),
[INFO] [stderr] 45 |             LCOVRecord::Data(ref data) => self.on_data(data),
[INFO] [stderr] 46 |             LCOVRecord::EndOfRecord => self.on_end_of_record(),
[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/command/coverage/parser.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 | /         match self.processor.as_mut() {
[INFO] [stderr] 57 | |             Some(processor) => processor.proceed(data.count),
[INFO] [stderr] 58 | |             None => {}
[INFO] [stderr] 59 | |         }
[INFO] [stderr]    | |_________^ help: try this: `if let Some(processor) = self.processor.as_mut() { processor.proceed(data.count) }`
[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] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/command/coverage/parser.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 | /         match self.processor.as_mut() {
[INFO] [stderr] 64 | |             Some(processor) => self.files.push(processor.to_file_result()),
[INFO] [stderr] 65 | |             None => {}
[INFO] [stderr] 66 | |         }
[INFO] [stderr]    | |_________^ help: try this: `if let Some(processor) = self.processor.as_mut() { self.files.push(processor.to_file_result()) }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] error: this comparison involving the minimum or maximum element for this type contains a case that is always true or always false
[INFO] [stderr]   --> src/command/coverage/processor.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 |         if excution_count <= 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::absurd_extreme_comparisons)] on by default
[INFO] [stderr]    = help: because 0 is the minimum value for this type, the case where the two sides are not equal never occurs, consider using excution_count == 0 instead
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#absurd_extreme_comparisons
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/command/coverage/mod.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 | /         match self {
[INFO] [stderr] 42 | |             &CoverageError::IOError(ref error) => write!(formatter, "{}", error),
[INFO] [stderr] 43 | |             &CoverageError::ParseError(ref error) => write!(formatter, "{}", error),
[INFO] [stderr] 44 | |         }
[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] 41 |         match *self {
[INFO] [stderr] 42 |             CoverageError::IOError(ref error) => write!(formatter, "{}", error),
[INFO] [stderr] 43 |             CoverageError::ParseError(ref error) => write!(formatter, "{}", error),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/main.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 | /         match self {
[INFO] [stderr] 27 | |             &CommandError::Coverage(ref error) => write!(formatter, "{}", error)
[INFO] [stderr] 28 | |         }
[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] 26 |         match *self {
[INFO] [stderr] 27 |             CommandError::Coverage(ref error) => write!(formatter, "{}", error)
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: passing a unit value to a function
[INFO] [stderr]   --> src/main.rs:49:40
[INFO] [stderr]    |
[INFO] [stderr] 49 |         ("coverage", Some(args)) => Ok(try!(coverage_action(args))),
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unit_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `lcov-tool`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: re-implementing `PartialEq::ne` is unnecessary
[INFO] [stderr]   --> src/coverage.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 | /     fn ne(&self, other: &Self) -> bool {
[INFO] [stderr] 31 | |         self.0 != other.0
[INFO] [stderr] 32 | |     }
[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: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]   --> src/report.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |             let _ = try!(write!(f, "{}", file));
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_unit_value)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/report.rs:69:41
[INFO] [stderr]    |
[INFO] [stderr] 69 |         assert_eq!(&Coverage::new(0.3), files.get(0).unwrap().coverage());
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^ help: try this: `&files[0]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/report.rs:70:41
[INFO] [stderr]    |
[INFO] [stderr] 70 |         assert_eq!(&Coverage::new(0.2), files.get(1).unwrap().coverage());
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^ help: try this: `&files[1]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/report.rs:71:41
[INFO] [stderr]    |
[INFO] [stderr] 71 |         assert_eq!(&Coverage::new(0.1), files.get(2).unwrap().coverage());
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^ help: try this: `&files[2]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/command/coverage/parser.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 | /         match record {
[INFO] [stderr] 44 | |             &LCOVRecord::SourceFile(ref name) => self.on_source_file(name.clone()),
[INFO] [stderr] 45 | |             &LCOVRecord::Data(ref data) => self.on_data(data),
[INFO] [stderr] 46 | |             &LCOVRecord::EndOfRecord => self.on_end_of_record(),
[INFO] [stderr] 47 | |             _ => {}
[INFO] [stderr] 48 | |         }
[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] 43 |         match *record {
[INFO] [stderr] 44 |             LCOVRecord::SourceFile(ref name) => self.on_source_file(name.clone()),
[INFO] [stderr] 45 |             LCOVRecord::Data(ref data) => self.on_data(data),
[INFO] [stderr] 46 |             LCOVRecord::EndOfRecord => self.on_end_of_record(),
[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/command/coverage/parser.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 | /         match self.processor.as_mut() {
[INFO] [stderr] 57 | |             Some(processor) => processor.proceed(data.count),
[INFO] [stderr] 58 | |             None => {}
[INFO] [stderr] 59 | |         }
[INFO] [stderr]    | |_________^ help: try this: `if let Some(processor) = self.processor.as_mut() { processor.proceed(data.count) }`
[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] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/command/coverage/parser.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 | /         match self.processor.as_mut() {
[INFO] [stderr] 64 | |             Some(processor) => self.files.push(processor.to_file_result()),
[INFO] [stderr] 65 | |             None => {}
[INFO] [stderr] 66 | |         }
[INFO] [stderr]    | |_________^ help: try this: `if let Some(processor) = self.processor.as_mut() { self.files.push(processor.to_file_result()) }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/command/coverage/parser.rs:83:21
[INFO] [stderr]    |
[INFO] [stderr] 83 |         let first = files.get(0).unwrap();
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^ help: try this: `&files[0]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/command/coverage/parser.rs:86:22
[INFO] [stderr]    |
[INFO] [stderr] 86 |         let second = files.get(1).unwrap();
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^ help: try this: `&files[1]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/command/coverage/parser.rs:89:21
[INFO] [stderr]    |
[INFO] [stderr] 89 |         let third = files.get(2).unwrap();
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^ help: try this: `&files[2]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] error: this comparison involving the minimum or maximum element for this type contains a case that is always true or always false
[INFO] [stderr]   --> src/command/coverage/processor.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 |         if excution_count <= 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::absurd_extreme_comparisons)] on by default
[INFO] [stderr]    = help: because 0 is the minimum value for this type, the case where the two sides are not equal never occurs, consider using excution_count == 0 instead
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#absurd_extreme_comparisons
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/command/coverage/mod.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 | /         match self {
[INFO] [stderr] 42 | |             &CoverageError::IOError(ref error) => write!(formatter, "{}", error),
[INFO] [stderr] 43 | |             &CoverageError::ParseError(ref error) => write!(formatter, "{}", error),
[INFO] [stderr] 44 | |         }
[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] 41 |         match *self {
[INFO] [stderr] 42 |             CoverageError::IOError(ref error) => write!(formatter, "{}", error),
[INFO] [stderr] 43 |             CoverageError::ParseError(ref error) => write!(formatter, "{}", error),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/main.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 | /         match self {
[INFO] [stderr] 27 | |             &CommandError::Coverage(ref error) => write!(formatter, "{}", error)
[INFO] [stderr] 28 | |         }
[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] 26 |         match *self {
[INFO] [stderr] 27 |             CommandError::Coverage(ref error) => write!(formatter, "{}", error)
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: passing a unit value to a function
[INFO] [stderr]   --> src/main.rs:49:40
[INFO] [stderr]    |
[INFO] [stderr] 49 |         ("coverage", Some(args)) => Ok(try!(coverage_action(args))),
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unit_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `lcov-tool`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "05d3b32c2d7c8b33e7e399b9e950d9c9e20e18880528ada589cdde8a4bd5dd0c"`
[INFO] running `"docker" "rm" "-f" "05d3b32c2d7c8b33e7e399b9e950d9c9e20e18880528ada589cdde8a4bd5dd0c"`
[INFO] [stdout] 05d3b32c2d7c8b33e7e399b9e950d9c9e20e18880528ada589cdde8a4bd5dd0c