[INFO] crate cedar 0.1.1 is already in cache
[INFO] extracting crate cedar 0.1.1 into work/ex/clippy-test-run/sources/stable/reg/cedar/0.1.1
[INFO] extracting crate cedar 0.1.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/cedar/0.1.1
[INFO] validating manifest of cedar-0.1.1 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 cedar-0.1.1 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 cedar-0.1.1
[INFO] finished frobbing cedar-0.1.1
[INFO] frobbed toml for cedar-0.1.1 written to work/ex/clippy-test-run/sources/stable/reg/cedar/0.1.1/Cargo.toml
[INFO] started frobbing cedar-0.1.1
[INFO] finished frobbing cedar-0.1.1
[INFO] frobbed toml for cedar-0.1.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/cedar/0.1.1/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 cedar-0.1.1 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/cedar/0.1.1:/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] c9091d59e267d23e8fc6fa1b671618e86fcc3cae645692489c2e489d24a45c38
[INFO] running `"docker" "start" "-a" "c9091d59e267d23e8fc6fa1b671618e86fcc3cae645692489c2e489d24a45c38"`
[INFO] [stderr]    Compiling gio v0.1.3
[INFO] [stderr]    Compiling cairo-rs v0.1.3
[INFO] [stderr]    Compiling gdk-pixbuf v0.1.3
[INFO] [stderr]    Compiling gdk v0.5.3
[INFO] [stderr]    Compiling gtk v0.1.3
[INFO] [stderr]    Compiling gio-sys v0.3.4
[INFO] [stderr]    Compiling pango-sys v0.3.4
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.3.4
[INFO] [stderr]    Compiling cairo-sys-rs v0.3.4
[INFO] [stderr]    Compiling gdk-sys v0.3.4
[INFO] [stderr]    Compiling gtk-sys v0.3.4
[INFO] [stderr]     Checking pango v0.1.3
[INFO] [stderr]     Checking cedar v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/gtk/button.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |             stream: stream,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `stream`
[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/gtk/text_field.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |             stream: stream,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `stream`
[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/gtk/button.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |             stream: stream,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `stream`
[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/gtk/text_field.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |             stream: stream,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `stream`
[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: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/gtk/window.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 | /         match widget {
[INFO] [stderr] 22 | |             &Widget::Button(ref button) => {
[INFO] [stderr] 23 | |                 self.stack.add(&button.button);
[INFO] [stderr] 24 | |                 button.button.show();
[INFO] [stderr] ...  |
[INFO] [stderr] 37 | |             }
[INFO] [stderr] 38 | |         }
[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] 21 |         match *widget {
[INFO] [stderr] 22 |             Widget::Button(ref button) => {
[INFO] [stderr] 23 |                 self.stack.add(&button.button);
[INFO] [stderr] 24 |                 button.button.show();
[INFO] [stderr] 25 |             }
[INFO] [stderr] 26 |             Widget::Stack(ref stack) => {
[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/gtk/label.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 | /             match attr {
[INFO] [stderr] 23 | |                 Text(text) => self.label.set_text(&text),
[INFO] [stderr] 24 | |                 _ => {}
[INFO] [stderr] 25 | |             }
[INFO] [stderr]    | |_____________^ help: try this: `if let Text(text) = attr { self.label.set_text(&text) }`
[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/gtk/widget.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 | /         match self {
[INFO] [stderr] 19 | |             &Widget::Stack(ref stack) => stack.add(widget),
[INFO] [stderr] 20 | |             _ => {}
[INFO] [stderr] 21 | |         }
[INFO] [stderr]    | |_________^ help: try this: `if let &Widget::Stack(ref stack) = self { stack.add(widget) }`
[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: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/gtk/widget.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 | /         match self {
[INFO] [stderr] 19 | |             &Widget::Stack(ref stack) => stack.add(widget),
[INFO] [stderr] 20 | |             _ => {}
[INFO] [stderr] 21 | |         }
[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] 18 |         match *self {
[INFO] [stderr] 19 |             Widget::Stack(ref stack) => stack.add(widget),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/gtk/widget.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 | /         match self {
[INFO] [stderr] 26 | |             &mut Widget::Button(ref mut b) => b,
[INFO] [stderr] 27 | |             &mut Widget::Stack(ref mut s) => s,
[INFO] [stderr] 28 | |             &mut Widget::Label(ref mut l) => l,
[INFO] [stderr] 29 | |             &mut Widget::Field(ref mut f) => f,
[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 |             Widget::Button(ref mut b) => b,
[INFO] [stderr] 27 |             Widget::Stack(ref mut s) => s,
[INFO] [stderr] 28 |             Widget::Label(ref mut l) => l,
[INFO] [stderr] 29 |             Widget::Field(ref mut f) => f,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/gtk/window.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 | /         match widget {
[INFO] [stderr] 22 | |             &Widget::Button(ref button) => {
[INFO] [stderr] 23 | |                 self.stack.add(&button.button);
[INFO] [stderr] 24 | |                 button.button.show();
[INFO] [stderr] ...  |
[INFO] [stderr] 37 | |             }
[INFO] [stderr] 38 | |         }
[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] 21 |         match *widget {
[INFO] [stderr] 22 |             Widget::Button(ref button) => {
[INFO] [stderr] 23 |                 self.stack.add(&button.button);
[INFO] [stderr] 24 |                 button.button.show();
[INFO] [stderr] 25 |             }
[INFO] [stderr] 26 |             Widget::Stack(ref stack) => {
[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/gtk/label.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 | /             match attr {
[INFO] [stderr] 23 | |                 Text(text) => self.label.set_text(&text),
[INFO] [stderr] 24 | |                 _ => {}
[INFO] [stderr] 25 | |             }
[INFO] [stderr]    | |_____________^ help: try this: `if let Text(text) = attr { self.label.set_text(&text) }`
[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/gtk/widget.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 | /         match self {
[INFO] [stderr] 19 | |             &Widget::Stack(ref stack) => stack.add(widget),
[INFO] [stderr] 20 | |             _ => {}
[INFO] [stderr] 21 | |         }
[INFO] [stderr]    | |_________^ help: try this: `if let &Widget::Stack(ref stack) = self { stack.add(widget) }`
[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: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/gtk/widget.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 | /         match self {
[INFO] [stderr] 19 | |             &Widget::Stack(ref stack) => stack.add(widget),
[INFO] [stderr] 20 | |             _ => {}
[INFO] [stderr] 21 | |         }
[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] 18 |         match *self {
[INFO] [stderr] 19 |             Widget::Stack(ref stack) => stack.add(widget),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/gtk/widget.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 | /         match self {
[INFO] [stderr] 26 | |             &mut Widget::Button(ref mut b) => b,
[INFO] [stderr] 27 | |             &mut Widget::Stack(ref mut s) => s,
[INFO] [stderr] 28 | |             &mut Widget::Label(ref mut l) => l,
[INFO] [stderr] 29 | |             &mut Widget::Field(ref mut f) => f,
[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 |             Widget::Button(ref mut b) => b,
[INFO] [stderr] 27 |             Widget::Stack(ref mut s) => s,
[INFO] [stderr] 28 |             Widget::Label(ref mut l) => l,
[INFO] [stderr] 29 |             Widget::Field(ref mut f) => f,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> examples/buttons.rs:22:16
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn view(model: &Model) -> dom::Object<Message> {
[INFO] [stderr]    |                ^^^^^^ help: consider passing by value instead: `Model`
[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: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> examples/field.rs:20:16
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn view(model: &Model) -> dom::Object<Message> {
[INFO] [stderr]    |                ^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.41s
[INFO] running `"docker" "inspect" "c9091d59e267d23e8fc6fa1b671618e86fcc3cae645692489c2e489d24a45c38"`
[INFO] running `"docker" "rm" "-f" "c9091d59e267d23e8fc6fa1b671618e86fcc3cae645692489c2e489d24a45c38"`
[INFO] [stdout] c9091d59e267d23e8fc6fa1b671618e86fcc3cae645692489c2e489d24a45c38