[INFO] crate file_logger 0.1.0 is already in cache
[INFO] extracting crate file_logger 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/file_logger/0.1.0
[INFO] extracting crate file_logger 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/file_logger/0.1.0
[INFO] validating manifest of file_logger-0.1.0 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 file_logger-0.1.0 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 file_logger-0.1.0
[INFO] finished frobbing file_logger-0.1.0
[INFO] frobbed toml for file_logger-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/file_logger/0.1.0/Cargo.toml
[INFO] started frobbing file_logger-0.1.0
[INFO] finished frobbing file_logger-0.1.0
[INFO] frobbed toml for file_logger-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/file_logger/0.1.0/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 file_logger-0.1.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/file_logger/0.1.0:/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] 03466ccae2827955e939f521db3dd79b4a80434fd66451c78cf99c675c4ade6b
[INFO] running `"docker" "start" "-a" "03466ccae2827955e939f521db3dd79b4a80434fd66451c78cf99c675c4ade6b"`
[INFO] [stderr]     Checking file_logger v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/logger.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |             level: level,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `level`
[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/logger.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |             tag: tag,
[INFO] [stderr]    |             ^^^^^^^^ help: replace it with: `tag`
[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/logger.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |             format: format,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `format`
[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/logger.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |             on_error: on_error,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `on_error`
[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/logger.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |             level: level,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `level`
[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/logger.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |             tag: tag,
[INFO] [stderr]    |             ^^^^^^^^ help: replace it with: `tag`
[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/logger.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |             format: format,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `format`
[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/logger.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |             on_error: on_error,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `on_error`
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/format.rs:71:40
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn format<W: io::Write>(&self, mut w:  &mut W, record: &LogRecord, datetime: &Tm) -> Result<(), Error>{
[INFO] [stderr]    |                                        ----^
[INFO] [stderr]    |                                        |
[INFO] [stderr]    |                                        help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/format.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 | /         match self {
[INFO] [stderr] 29 | |             &FormatSpecifier::Str(ref s) => try!(write!(f, "{}", s)),
[INFO] [stderr] 30 | |             &FormatSpecifier::Level => try!(write!(f, "{}", record.level())),
[INFO] [stderr] 31 | |             // TODO: don't use `unwrap()`
[INFO] [stderr] ...  |
[INFO] [stderr] 36 | |             &FormatSpecifier::Message => try!(write!(f, "{}", record.args()))
[INFO] [stderr] 37 | |         }
[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] 28 |         match *self {
[INFO] [stderr] 29 |             FormatSpecifier::Str(ref s) => try!(write!(f, "{}", s)),
[INFO] [stderr] 30 |             FormatSpecifier::Level => try!(write!(f, "{}", record.level())),
[INFO] [stderr] 31 |             // TODO: don't use `unwrap()`
[INFO] [stderr] 32 |             FormatSpecifier::Timestamp(ref s) => try!(write!(f, "{}", try!(time::strftime(s, datetime)))),
[INFO] [stderr] 33 |             FormatSpecifier::ModulePath => try!(write!(f, "{}", location.module_path())),
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `format::Formatter`
[INFO] [stderr]   --> src/format.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 | /     pub fn new() -> Self {
[INFO] [stderr] 48 | |         Formatter {f: Vec::new()}
[INFO] [stderr] 49 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 42 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/format.rs:71:40
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn format<W: io::Write>(&self, mut w:  &mut W, record: &LogRecord, datetime: &Tm) -> Result<(), Error>{
[INFO] [stderr]    |                                        ----^
[INFO] [stderr]    |                                        |
[INFO] [stderr]    |                                        help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/format.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 | /         match self {
[INFO] [stderr] 29 | |             &FormatSpecifier::Str(ref s) => try!(write!(f, "{}", s)),
[INFO] [stderr] 30 | |             &FormatSpecifier::Level => try!(write!(f, "{}", record.level())),
[INFO] [stderr] 31 | |             // TODO: don't use `unwrap()`
[INFO] [stderr] ...  |
[INFO] [stderr] 36 | |             &FormatSpecifier::Message => try!(write!(f, "{}", record.args()))
[INFO] [stderr] 37 | |         }
[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] 28 |         match *self {
[INFO] [stderr] 29 |             FormatSpecifier::Str(ref s) => try!(write!(f, "{}", s)),
[INFO] [stderr] 30 |             FormatSpecifier::Level => try!(write!(f, "{}", record.level())),
[INFO] [stderr] 31 |             // TODO: don't use `unwrap()`
[INFO] [stderr] 32 |             FormatSpecifier::Timestamp(ref s) => try!(write!(f, "{}", try!(time::strftime(s, datetime)))),
[INFO] [stderr] 33 |             FormatSpecifier::ModulePath => try!(write!(f, "{}", location.module_path())),
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `format::Formatter`
[INFO] [stderr]   --> src/format.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 | /     pub fn new() -> Self {
[INFO] [stderr] 48 | |         Formatter {f: Vec::new()}
[INFO] [stderr] 49 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 42 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `OnError`
[INFO] [stderr]  --> src/main.rs:6:40
[INFO] [stderr]   |
[INFO] [stderr] 6 | use self::file_logger::{LoggerBuilder, OnError};
[INFO] [stderr]   |                                        ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `regex`
[INFO] [stderr]  --> src/main.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let regex = Regex::new("test").unwrap();
[INFO] [stderr]   |         ^^^^^ help: consider using `_regex` instead
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trivial regex
[INFO] [stderr]  --> src/main.rs:9:28
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let regex = Regex::new("test").unwrap();
[INFO] [stderr]   |                            ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::trivial_regex)] on by default
[INFO] [stderr]   = help: consider using `str::contains`
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivial_regex
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `OnError`
[INFO] [stderr]  --> src/main.rs:6:40
[INFO] [stderr]   |
[INFO] [stderr] 6 | use self::file_logger::{LoggerBuilder, OnError};
[INFO] [stderr]   |                                        ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `regex`
[INFO] [stderr]  --> src/main.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let regex = Regex::new("test").unwrap();
[INFO] [stderr]   |         ^^^^^ help: consider using `_regex` instead
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trivial regex
[INFO] [stderr]  --> src/main.rs:9:28
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let regex = Regex::new("test").unwrap();
[INFO] [stderr]   |                            ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::trivial_regex)] on by default
[INFO] [stderr]   = help: consider using `str::contains`
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivial_regex
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.40s
[INFO] running `"docker" "inspect" "03466ccae2827955e939f521db3dd79b4a80434fd66451c78cf99c675c4ade6b"`
[INFO] running `"docker" "rm" "-f" "03466ccae2827955e939f521db3dd79b4a80434fd66451c78cf99c675c4ade6b"`
[INFO] [stdout] 03466ccae2827955e939f521db3dd79b4a80434fd66451c78cf99c675c4ade6b