[INFO] crate ilc-base 0.2.0 is already in cache
[INFO] extracting crate ilc-base 0.2.0 into work/ex/clippy-test-run/sources/stable/reg/ilc-base/0.2.0
[INFO] extracting crate ilc-base 0.2.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/ilc-base/0.2.0
[INFO] validating manifest of ilc-base-0.2.0 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 ilc-base-0.2.0 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 ilc-base-0.2.0
[INFO] finished frobbing ilc-base-0.2.0
[INFO] frobbed toml for ilc-base-0.2.0 written to work/ex/clippy-test-run/sources/stable/reg/ilc-base/0.2.0/Cargo.toml
[INFO] started frobbing ilc-base-0.2.0
[INFO] finished frobbing ilc-base-0.2.0
[INFO] frobbed toml for ilc-base-0.2.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/ilc-base/0.2.0/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 ilc-base-0.2.0 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/ilc-base/0.2.0:/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] 46437f97b7f93014855a2b5b868dfabf282444aace8a51005eb9781ff45569d8
[INFO] running `"docker" "start" "-a" "46437f97b7f93014855a2b5b868dfabf282444aace8a51005eb9781ff45569d8"`
[INFO] [stderr]     Checking ilc-base v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/event.rs:43:28
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn from_format(tz: &FixedOffset, s: &str, f: &str) -> Time {
[INFO] [stderr]    |                            ^^^^^^^^^^^^ help: consider passing by value instead: `FixedOffset`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/event.rs:50:35
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn with_format(&self, tz: &FixedOffset, f: &str) -> String {
[INFO] [stderr]    |                                   ^^^^^^^^^^^^ help: consider passing by value instead: `FixedOffset`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/event.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 | /         match self {
[INFO] [stderr] 52 | |             &Time::Unknown => panic!("Time data for this event is not present"),
[INFO] [stderr] 53 | |             &Time::Hms(h, m, s) => {
[INFO] [stderr] 54 | |                 format!("{}",
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |             &Time::Timestamp(t) => format!("{}", tz.timestamp(t, 0).format(f)),
[INFO] [stderr] 58 | |         }
[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] 51 |         match *self {
[INFO] [stderr] 52 |             Time::Unknown => panic!("Time data for this event is not present"),
[INFO] [stderr] 53 |             Time::Hms(h, m, s) => {
[INFO] [stderr] 54 |                 format!("{}",
[INFO] [stderr] 55 |                         NaiveTime::from_hms(h as u32, m as u32, s as u32).format(f))
[INFO] [stderr] 56 |             }
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/event.rs:55:45
[INFO] [stderr]    |
[INFO] [stderr] 55 |                         NaiveTime::from_hms(h as u32, m as u32, s as u32).format(f))
[INFO] [stderr]    |                                             ^^^^^^^^ help: try: `u32::from(h)`
[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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/event.rs:55:55
[INFO] [stderr]    |
[INFO] [stderr] 55 |                         NaiveTime::from_hms(h as u32, m as u32, s as u32).format(f))
[INFO] [stderr]    |                                                       ^^^^^^^^ help: try: `u32::from(m)`
[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: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/event.rs:55:65
[INFO] [stderr]    |
[INFO] [stderr] 55 |                         NaiveTime::from_hms(h as u32, m as u32, s as u32).format(f))
[INFO] [stderr]    |                                                                 ^^^^^^^^ help: try: `u32::from(s)`
[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 don't need to add `&` to all patterns
[INFO] [stderr]   --> src/event.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 | /         match self {
[INFO] [stderr] 64 | |             &Unknown => 0,
[INFO] [stderr] 65 | |             &Hms(h, m, s) => {
[INFO] [stderr] 66 | |                 Local::today()
[INFO] [stderr] ...  |
[INFO] [stderr] 70 | |             &Timestamp(i) => i,
[INFO] [stderr] 71 | |         }
[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] 63 |         match *self {
[INFO] [stderr] 64 |             Unknown => 0,
[INFO] [stderr] 65 |             Hms(h, m, s) => {
[INFO] [stderr] 66 |                 Local::today()
[INFO] [stderr] 67 |                     .and_hms(h as u32, m as u32, s as u32)
[INFO] [stderr] 68 |                     .timestamp()
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/event.rs:67:30
[INFO] [stderr]    |
[INFO] [stderr] 67 |                     .and_hms(h as u32, m as u32, s as u32)
[INFO] [stderr]    |                              ^^^^^^^^ help: try: `u32::from(h)`
[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: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/event.rs:67:40
[INFO] [stderr]    |
[INFO] [stderr] 67 |                     .and_hms(h as u32, m as u32, s as u32)
[INFO] [stderr]    |                                        ^^^^^^^^ help: try: `u32::from(m)`
[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: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/event.rs:67:50
[INFO] [stderr]    |
[INFO] [stderr] 67 |                     .and_hms(h as u32, m as u32, s as u32)
[INFO] [stderr]    |                                                  ^^^^^^^^ help: try: `u32::from(s)`
[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 don't need to add `&` to all patterns
[INFO] [stderr]    --> src/event.rs:169:9
[INFO] [stderr]     |
[INFO] [stderr] 169 | /         match self {
[INFO] [stderr] 170 | |             &Msg { ref from, .. } => from == needle,
[INFO] [stderr] 171 | |             &Action { ref from, .. } => from == needle,
[INFO] [stderr] 172 | |             &Join { ref nick, .. } => nick == needle,
[INFO] [stderr] ...   |
[INFO] [stderr] 185 | |             _ => false,
[INFO] [stderr] 186 | |         }
[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] 169 |         match *self {
[INFO] [stderr] 170 |             Msg { ref from, .. } => from == needle,
[INFO] [stderr] 171 |             Action { ref from, .. } => from == needle,
[INFO] [stderr] 172 |             Join { ref nick, .. } => nick == needle,
[INFO] [stderr] 173 |             Part { ref nick, .. } => nick == needle,
[INFO] [stderr] 174 |             Quit { ref nick, .. } => nick == needle,
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/error.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 | /         match self {
[INFO] [stderr] 26 | |             &Parse(_) => "error while parsing",
[INFO] [stderr] 27 | |             &Chrono(_) => "error while parsing time strings",
[INFO] [stderr] 28 | |             &Io(_) => "error during input/output",
[INFO] [stderr] 29 | |             &Custom(ref e) => e.description(),
[INFO] [stderr] 30 | |         }
[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] 25 |         match *self {
[INFO] [stderr] 26 |             Parse(_) => "error while parsing",
[INFO] [stderr] 27 |             Chrono(_) => "error while parsing time strings",
[INFO] [stderr] 28 |             Io(_) => "error during input/output",
[INFO] [stderr] 29 |             Custom(ref e) => e.description(),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/error.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 | /         match self {
[INFO] [stderr] 36 | |             &Parse(ref _e) => None,
[INFO] [stderr] 37 | |             &Chrono(ref e) => Some(e),
[INFO] [stderr] 38 | |             &Io(ref e) => Some(e),
[INFO] [stderr] 39 | |             &Custom(ref e) => e.cause(),
[INFO] [stderr] 40 | |         }
[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] 35 |         match *self {
[INFO] [stderr] 36 |             Parse(ref _e) => None,
[INFO] [stderr] 37 |             Chrono(ref e) => Some(e),
[INFO] [stderr] 38 |             Io(ref e) => Some(e),
[INFO] [stderr] 39 |             Custom(ref e) => e.cause(),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this `.fold` can be written more succinctly using another method
[INFO] [stderr]  --> src/format.rs:4:40
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let len = s.iter().map(|s| s.len()).fold(0, |a, b| a + b);
[INFO] [stderr]   |                                        ^^^^^^^^^^^^^^^^^^^^^^ help: try: `.sum()`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::unnecessary_fold)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/event.rs:43:28
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn from_format(tz: &FixedOffset, s: &str, f: &str) -> Time {
[INFO] [stderr]    |                            ^^^^^^^^^^^^ help: consider passing by value instead: `FixedOffset`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/event.rs:50:35
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn with_format(&self, tz: &FixedOffset, f: &str) -> String {
[INFO] [stderr]    |                                   ^^^^^^^^^^^^ help: consider passing by value instead: `FixedOffset`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/event.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 | /         match self {
[INFO] [stderr] 52 | |             &Time::Unknown => panic!("Time data for this event is not present"),
[INFO] [stderr] 53 | |             &Time::Hms(h, m, s) => {
[INFO] [stderr] 54 | |                 format!("{}",
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |             &Time::Timestamp(t) => format!("{}", tz.timestamp(t, 0).format(f)),
[INFO] [stderr] 58 | |         }
[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] 51 |         match *self {
[INFO] [stderr] 52 |             Time::Unknown => panic!("Time data for this event is not present"),
[INFO] [stderr] 53 |             Time::Hms(h, m, s) => {
[INFO] [stderr] 54 |                 format!("{}",
[INFO] [stderr] 55 |                         NaiveTime::from_hms(h as u32, m as u32, s as u32).format(f))
[INFO] [stderr] 56 |             }
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/event.rs:55:45
[INFO] [stderr]    |
[INFO] [stderr] 55 |                         NaiveTime::from_hms(h as u32, m as u32, s as u32).format(f))
[INFO] [stderr]    |                                             ^^^^^^^^ help: try: `u32::from(h)`
[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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/event.rs:55:55
[INFO] [stderr]    |
[INFO] [stderr] 55 |                         NaiveTime::from_hms(h as u32, m as u32, s as u32).format(f))
[INFO] [stderr]    |                                                       ^^^^^^^^ help: try: `u32::from(m)`
[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: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/event.rs:55:65
[INFO] [stderr]    |
[INFO] [stderr] 55 |                         NaiveTime::from_hms(h as u32, m as u32, s as u32).format(f))
[INFO] [stderr]    |                                                                 ^^^^^^^^ help: try: `u32::from(s)`
[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 don't need to add `&` to all patterns
[INFO] [stderr]   --> src/event.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 | /         match self {
[INFO] [stderr] 64 | |             &Unknown => 0,
[INFO] [stderr] 65 | |             &Hms(h, m, s) => {
[INFO] [stderr] 66 | |                 Local::today()
[INFO] [stderr] ...  |
[INFO] [stderr] 70 | |             &Timestamp(i) => i,
[INFO] [stderr] 71 | |         }
[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] 63 |         match *self {
[INFO] [stderr] 64 |             Unknown => 0,
[INFO] [stderr] 65 |             Hms(h, m, s) => {
[INFO] [stderr] 66 |                 Local::today()
[INFO] [stderr] 67 |                     .and_hms(h as u32, m as u32, s as u32)
[INFO] [stderr] 68 |                     .timestamp()
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/event.rs:67:30
[INFO] [stderr]    |
[INFO] [stderr] 67 |                     .and_hms(h as u32, m as u32, s as u32)
[INFO] [stderr]    |                              ^^^^^^^^ help: try: `u32::from(h)`
[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: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/event.rs:67:40
[INFO] [stderr]    |
[INFO] [stderr] 67 |                     .and_hms(h as u32, m as u32, s as u32)
[INFO] [stderr]    |                                        ^^^^^^^^ help: try: `u32::from(m)`
[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: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/event.rs:67:50
[INFO] [stderr]    |
[INFO] [stderr] 67 |                     .and_hms(h as u32, m as u32, s as u32)
[INFO] [stderr]    |                                                  ^^^^^^^^ help: try: `u32::from(s)`
[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 don't need to add `&` to all patterns
[INFO] [stderr]    --> src/event.rs:169:9
[INFO] [stderr]     |
[INFO] [stderr] 169 | /         match self {
[INFO] [stderr] 170 | |             &Msg { ref from, .. } => from == needle,
[INFO] [stderr] 171 | |             &Action { ref from, .. } => from == needle,
[INFO] [stderr] 172 | |             &Join { ref nick, .. } => nick == needle,
[INFO] [stderr] ...   |
[INFO] [stderr] 185 | |             _ => false,
[INFO] [stderr] 186 | |         }
[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] 169 |         match *self {
[INFO] [stderr] 170 |             Msg { ref from, .. } => from == needle,
[INFO] [stderr] 171 |             Action { ref from, .. } => from == needle,
[INFO] [stderr] 172 |             Join { ref nick, .. } => nick == needle,
[INFO] [stderr] 173 |             Part { ref nick, .. } => nick == needle,
[INFO] [stderr] 174 |             Quit { ref nick, .. } => nick == needle,
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/error.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 | /         match self {
[INFO] [stderr] 26 | |             &Parse(_) => "error while parsing",
[INFO] [stderr] 27 | |             &Chrono(_) => "error while parsing time strings",
[INFO] [stderr] 28 | |             &Io(_) => "error during input/output",
[INFO] [stderr] 29 | |             &Custom(ref e) => e.description(),
[INFO] [stderr] 30 | |         }
[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] 25 |         match *self {
[INFO] [stderr] 26 |             Parse(_) => "error while parsing",
[INFO] [stderr] 27 |             Chrono(_) => "error while parsing time strings",
[INFO] [stderr] 28 |             Io(_) => "error during input/output",
[INFO] [stderr] 29 |             Custom(ref e) => e.description(),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/error.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 | /         match self {
[INFO] [stderr] 36 | |             &Parse(ref _e) => None,
[INFO] [stderr] 37 | |             &Chrono(ref e) => Some(e),
[INFO] [stderr] 38 | |             &Io(ref e) => Some(e),
[INFO] [stderr] 39 | |             &Custom(ref e) => e.cause(),
[INFO] [stderr] 40 | |         }
[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] 35 |         match *self {
[INFO] [stderr] 36 |             Parse(ref _e) => None,
[INFO] [stderr] 37 |             Chrono(ref e) => Some(e),
[INFO] [stderr] 38 |             Io(ref e) => Some(e),
[INFO] [stderr] 39 |             Custom(ref e) => e.cause(),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this `.fold` can be written more succinctly using another method
[INFO] [stderr]  --> src/format.rs:4:40
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let len = s.iter().map(|s| s.len()).fold(0, |a, b| a + b);
[INFO] [stderr]   |                                        ^^^^^^^^^^^^^^^^^^^^^^ help: try: `.sum()`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::unnecessary_fold)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.06s
[INFO] running `"docker" "inspect" "46437f97b7f93014855a2b5b868dfabf282444aace8a51005eb9781ff45569d8"`
[INFO] running `"docker" "rm" "-f" "46437f97b7f93014855a2b5b868dfabf282444aace8a51005eb9781ff45569d8"`
[INFO] [stdout] 46437f97b7f93014855a2b5b868dfabf282444aace8a51005eb9781ff45569d8