[INFO] crate wayland-scanner 0.21.7 is already in cache
[INFO] extracting crate wayland-scanner 0.21.7 into work/ex/clippy-test-run/sources/stable/reg/wayland-scanner/0.21.7
[INFO] extracting crate wayland-scanner 0.21.7 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/wayland-scanner/0.21.7
[INFO] validating manifest of wayland-scanner-0.21.7 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 wayland-scanner-0.21.7 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 wayland-scanner-0.21.7
[INFO] finished frobbing wayland-scanner-0.21.7
[INFO] frobbed toml for wayland-scanner-0.21.7 written to work/ex/clippy-test-run/sources/stable/reg/wayland-scanner/0.21.7/Cargo.toml
[INFO] started frobbing wayland-scanner-0.21.7
[INFO] finished frobbing wayland-scanner-0.21.7
[INFO] frobbed toml for wayland-scanner-0.21.7 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/wayland-scanner/0.21.7/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 wayland-scanner-0.21.7 against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/wayland-scanner/0.21.7:/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 -Dclippy::into_iter_on_array" "-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] d2ac831eb2d136654062f2832f4964a64c52d5d19f0045b936db63d5f0805052
[INFO] running `"docker" "start" "-a" "d2ac831eb2d136654062f2832f4964a64c52d5d19f0045b936db63d5f0805052"`
[INFO] [stderr]     Checking xml-rs v0.8.0
[INFO] [stderr]     Checking wayland-scanner v0.21.7 (/opt/crater/workdir)
[INFO] [stderr] warning: using `writeln!(out, "")`
[INFO] [stderr]    --> src/common_gen.rs:764:9
[INFO] [stderr]     |
[INFO] [stderr] 764 |         writeln!(out, "")?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^ help: replace it with: `writeln!(out)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::writeln_empty_string)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#writeln_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/protocol.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 |             name: name,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `name`
[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: using `writeln!(out, "")`
[INFO] [stderr]    --> src/common_gen.rs:764:9
[INFO] [stderr]     |
[INFO] [stderr] 764 |         writeln!(out, "")?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^ help: replace it with: `writeln!(out)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::writeln_empty_string)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#writeln_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/protocol.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 |             name: name,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `name`
[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: the function has a cyclomatic complexity of 35
[INFO] [stderr]    --> src/c_code_gen.rs:121:1
[INFO] [stderr]     |
[INFO] [stderr] 121 | / pub fn messagegroup_c_addon<O: Write>(
[INFO] [stderr] 122 | |     name: &str,
[INFO] [stderr] 123 | |     side: Side,
[INFO] [stderr] 124 | |     receiver: bool,
[INFO] [stderr] ...   |
[INFO] [stderr] 391 | |     Ok(())
[INFO] [stderr] 392 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/c_code_gen.rs:140:16
[INFO] [stderr]     |
[INFO] [stderr] 140 |             if msg.args.len() > 0 {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!msg.args.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/c_code_gen.rs:153:16
[INFO] [stderr]     |
[INFO] [stderr] 153 |             if msg.args.len() > 0 {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!msg.args.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: the variable `j` is used as a loop counter. Consider using `for (j, item) in &msg.args.enumerate()` or similar iterators
[INFO] [stderr]    --> src/c_code_gen.rs:156:26
[INFO] [stderr]     |
[INFO] [stderr] 156 |                 for a in &msg.args {
[INFO] [stderr]     |                          ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::explicit_counter_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/c_code_gen.rs:290:16
[INFO] [stderr]     |
[INFO] [stderr] 290 |             if msg.args.len() > 0 {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!msg.args.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 30
[INFO] [stderr]    --> src/c_interface_gen.rs:6:1
[INFO] [stderr]     |
[INFO] [stderr] 6   | / pub(crate) fn generate_interfaces<O: Write>(protocol: Protocol, out: &mut O) -> IOResult<()> {
[INFO] [stderr] 7   | |     writeln!(
[INFO] [stderr] 8   | |         out,
[INFO] [stderr] 9   | |         "//\n// This file was auto-generated, do not edit directly\n//\n"
[INFO] [stderr] ...   |
[INFO] [stderr] 154 | |     Ok(())
[INFO] [stderr] 155 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 35
[INFO] [stderr]    --> src/c_code_gen.rs:121:1
[INFO] [stderr]     |
[INFO] [stderr] 121 | / pub fn messagegroup_c_addon<O: Write>(
[INFO] [stderr] 122 | |     name: &str,
[INFO] [stderr] 123 | |     side: Side,
[INFO] [stderr] 124 | |     receiver: bool,
[INFO] [stderr] ...   |
[INFO] [stderr] 391 | |     Ok(())
[INFO] [stderr] 392 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/c_interface_gen.rs:133:12
[INFO] [stderr]     |
[INFO] [stderr] 133 |         if interface.requests.len() > 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!interface.requests.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/c_interface_gen.rs:143:12
[INFO] [stderr]     |
[INFO] [stderr] 143 |         if interface.events.len() > 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!interface.events.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 53
[INFO] [stderr]    --> src/common_gen.rs:52:1
[INFO] [stderr]     |
[INFO] [stderr] 52  | / pub(crate) fn write_messagegroup<O: Write, F: FnOnce(&mut O) -> IOResult<()>>(
[INFO] [stderr] 53  | |     name: &str,
[INFO] [stderr] 54  | |     side: Side,
[INFO] [stderr] 55  | |     receiver: bool,
[INFO] [stderr] ...   |
[INFO] [stderr] 482 | |     Ok(())
[INFO] [stderr] 483 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/c_code_gen.rs:140:16
[INFO] [stderr]     |
[INFO] [stderr] 140 |             if msg.args.len() > 0 {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!msg.args.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/c_code_gen.rs:153:16
[INFO] [stderr]     |
[INFO] [stderr] 153 |             if msg.args.len() > 0 {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!msg.args.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: the variable `j` is used as a loop counter. Consider using `for (j, item) in &msg.args.enumerate()` or similar iterators
[INFO] [stderr]    --> src/c_code_gen.rs:156:26
[INFO] [stderr]     |
[INFO] [stderr] 156 |                 for a in &msg.args {
[INFO] [stderr]     |                          ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::explicit_counter_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/c_code_gen.rs:290:16
[INFO] [stderr]     |
[INFO] [stderr] 290 |             if msg.args.len() > 0 {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!msg.args.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 30
[INFO] [stderr]    --> src/c_interface_gen.rs:6:1
[INFO] [stderr]     |
[INFO] [stderr] 6   | / pub(crate) fn generate_interfaces<O: Write>(protocol: Protocol, out: &mut O) -> IOResult<()> {
[INFO] [stderr] 7   | |     writeln!(
[INFO] [stderr] 8   | |         out,
[INFO] [stderr] 9   | |         "//\n// This file was auto-generated, do not edit directly\n//\n"
[INFO] [stderr] ...   |
[INFO] [stderr] 154 | |     Ok(())
[INFO] [stderr] 155 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/c_interface_gen.rs:133:12
[INFO] [stderr]     |
[INFO] [stderr] 133 |         if interface.requests.len() > 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!interface.requests.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/c_interface_gen.rs:143:12
[INFO] [stderr]     |
[INFO] [stderr] 143 |         if interface.events.len() > 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!interface.events.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 53
[INFO] [stderr]    --> src/common_gen.rs:52:1
[INFO] [stderr]     |
[INFO] [stderr] 52  | / pub(crate) fn write_messagegroup<O: Write, F: FnOnce(&mut O) -> IOResult<()>>(
[INFO] [stderr] 53  | |     name: &str,
[INFO] [stderr] 54  | |     side: Side,
[INFO] [stderr] 55  | |     receiver: bool,
[INFO] [stderr] ...   |
[INFO] [stderr] 482 | |     Ok(())
[INFO] [stderr] 483 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/common_gen.rs:85:12
[INFO] [stderr]    |
[INFO] [stderr] 85 |         if m.args.len() > 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!m.args.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/common_gen.rs:188:16
[INFO] [stderr]     |
[INFO] [stderr] 188 |             if msg.args.len() > 0 {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!msg.args.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/common_gen.rs:207:12
[INFO] [stderr]     |
[INFO] [stderr] 207 |         if msg.args.len() > 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!msg.args.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/common_gen.rs:265:16
[INFO] [stderr]     |
[INFO] [stderr] 265 |             if msg.args.len() > 0 {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!msg.args.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/common_gen.rs:274:16
[INFO] [stderr]     |
[INFO] [stderr] 274 |             if msg.args.len() > 0 {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!msg.args.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/common_gen.rs:393:16
[INFO] [stderr]     |
[INFO] [stderr] 393 |             if msg.args.len() > 0 {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!msg.args.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/common_gen.rs:85:12
[INFO] [stderr]    |
[INFO] [stderr] 85 |         if m.args.len() > 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!m.args.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/common_gen.rs:188:16
[INFO] [stderr]     |
[INFO] [stderr] 188 |             if msg.args.len() > 0 {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!msg.args.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/common_gen.rs:207:12
[INFO] [stderr]     |
[INFO] [stderr] 207 |         if msg.args.len() > 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!msg.args.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/common_gen.rs:265:16
[INFO] [stderr]     |
[INFO] [stderr] 265 |             if msg.args.len() > 0 {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!msg.args.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/common_gen.rs:274:16
[INFO] [stderr]     |
[INFO] [stderr] 274 |             if msg.args.len() > 0 {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!msg.args.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[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/common_gen.rs:641:9
[INFO] [stderr]     |
[INFO] [stderr] 641 | /         match arg.typ {
[INFO] [stderr] 642 | |             Type::NewId => if newid.is_some() {
[INFO] [stderr] 643 | |                 panic!("Request {}.{} returns more than one new_id", iname, msg.name);
[INFO] [stderr] 644 | |             } else {
[INFO] [stderr] ...   |
[INFO] [stderr] 647 | |             _ => (),
[INFO] [stderr] 648 | |         }
[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] 641 |         if let Type::NewId = arg.typ { if newid.is_some() {
[INFO] [stderr] 642 |     panic!("Request {}.{} returns more than one new_id", iname, msg.name);
[INFO] [stderr] 643 | } else {
[INFO] [stderr] 644 |     newid = Some(arg);
[INFO] [stderr] 645 | } }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/common_gen.rs:694:26
[INFO] [stderr]     |
[INFO] [stderr] 694 |                         .unwrap_or(format!("&Proxy<super::AnonymousObject>")),
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| format!("&Proxy<super::AnonymousObject>"))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/common_gen.rs:694:36
[INFO] [stderr]     |
[INFO] [stderr] 694 |                         .unwrap_or(format!("&Proxy<super::AnonymousObject>")),
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"&Proxy<super::AnonymousObject>".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/common_gen.rs:393:16
[INFO] [stderr]     |
[INFO] [stderr] 393 |             if msg.args.len() > 0 {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!msg.args.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/common_gen.rs:772:12
[INFO] [stderr]     |
[INFO] [stderr] 772 |         if msg.args.len() > 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!msg.args.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[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/parse.rs:127:9
[INFO] [stderr]     |
[INFO] [stderr] 127 | /         match &attr.name.local_name[..] {
[INFO] [stderr] 128 | |             "summary" => summary = attr.value.split_whitespace().collect::<Vec<_>>().join(" "),
[INFO] [stderr] 129 | |             _ => {}
[INFO] [stderr] 130 | |         }
[INFO] [stderr]     | |_________^ help: try this: `if let "summary" = &attr.name.local_name[..] { summary = attr.value.split_whitespace().collect::<Vec<_>>().join(" ") }`
[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 seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/common_gen.rs:641:9
[INFO] [stderr]     |
[INFO] [stderr] 641 | /         match arg.typ {
[INFO] [stderr] 642 | |             Type::NewId => if newid.is_some() {
[INFO] [stderr] 643 | |                 panic!("Request {}.{} returns more than one new_id", iname, msg.name);
[INFO] [stderr] 644 | |             } else {
[INFO] [stderr] ...   |
[INFO] [stderr] 647 | |             _ => (),
[INFO] [stderr] 648 | |         }
[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] 641 |         if let Type::NewId = arg.typ { if newid.is_some() {
[INFO] [stderr] 642 |     panic!("Request {}.{} returns more than one new_id", iname, msg.name);
[INFO] [stderr] 643 | } else {
[INFO] [stderr] 644 |     newid = Some(arg);
[INFO] [stderr] 645 | } }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/common_gen.rs:694:26
[INFO] [stderr]     |
[INFO] [stderr] 694 |                         .unwrap_or(format!("&Proxy<super::AnonymousObject>")),
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| format!("&Proxy<super::AnonymousObject>"))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/common_gen.rs:694:36
[INFO] [stderr]     |
[INFO] [stderr] 694 |                         .unwrap_or(format!("&Proxy<super::AnonymousObject>")),
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"&Proxy<super::AnonymousObject>".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/protocol.rs:153:21
[INFO] [stderr]     |
[INFO] [stderr] 153 |     pub fn nullable(&self) -> bool {
[INFO] [stderr]     |                     ^^^^^ help: consider passing by value instead: `self`
[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] warning: length comparison to zero
[INFO] [stderr]    --> src/common_gen.rs:772:12
[INFO] [stderr]     |
[INFO] [stderr] 772 |         if msg.args.len() > 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!msg.args.is_empty()`
[INFO] [stderr] 
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/protocol.rs:160:22
[INFO] [stderr]     |
[INFO] [stderr] 160 |     pub fn rust_type(&self) -> &'static str {
[INFO] [stderr]     |                      ^^^^^ help: consider passing by value instead: `self`
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/protocol.rs:173:24
[INFO] [stderr]     |
[INFO] [stderr] 173 |     pub fn common_type(&self) -> &'static str {
[INFO] [stderr]     |                        ^^^^^ help: consider passing by value instead: `self`
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/side.rs:16:31
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub(crate) fn object_name(&self) -> &'static str {
[INFO] [stderr]    |                               ^^^^^ help: consider passing by value instead: `self`
[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: use of `expect` followed by a function call
[INFO] [stderr]    --> src/lib.rs:114:43
[INFO] [stderr]     |
[INFO] [stderr] 114 |       let pfile = File::open(prot.as_ref()).expect(&format!(
[INFO] [stderr]     |  ___________________________________________^
[INFO] [stderr] 115 | |         "Unable to open protocol file `{}`.",
[INFO] [stderr] 116 | |         prot.as_ref().display()
[INFO] [stderr] 117 | |     ));
[INFO] [stderr]     | |______^ help: try this: `unwrap_or_else(|_| panic!("Unable to open protocol file `{}`.", prot.as_ref().display()))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::expect_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[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/parse.rs:127:9
[INFO] [stderr]     |
[INFO] [stderr] 127 | /         match &attr.name.local_name[..] {
[INFO] [stderr] 128 | |             "summary" => summary = attr.value.split_whitespace().collect::<Vec<_>>().join(" "),
[INFO] [stderr] 129 | |             _ => {}
[INFO] [stderr] 130 | |         }
[INFO] [stderr]     | |_________^ help: try this: `if let "summary" = &attr.name.local_name[..] { summary = attr.value.split_whitespace().collect::<Vec<_>>().join(" ") }`
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/protocol.rs:153:21
[INFO] [stderr]     |
[INFO] [stderr] 153 |     pub fn nullable(&self) -> bool {
[INFO] [stderr]     |                     ^^^^^ help: consider passing by value instead: `self`
[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/protocol.rs:160:22
[INFO] [stderr]     |
[INFO] [stderr] 160 |     pub fn rust_type(&self) -> &'static str {
[INFO] [stderr]     |                      ^^^^^ help: consider passing by value instead: `self`
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/protocol.rs:173:24
[INFO] [stderr]     |
[INFO] [stderr] 173 |     pub fn common_type(&self) -> &'static str {
[INFO] [stderr]     |                        ^^^^^ help: consider passing by value instead: `self`
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/side.rs:16:31
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub(crate) fn object_name(&self) -> &'static str {
[INFO] [stderr]    |                               ^^^^^ help: consider passing by value instead: `self`
[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: use of `expect` followed by a function call
[INFO] [stderr]    --> src/lib.rs:114:43
[INFO] [stderr]     |
[INFO] [stderr] 114 |       let pfile = File::open(prot.as_ref()).expect(&format!(
[INFO] [stderr]     |  ___________________________________________^
[INFO] [stderr] 115 | |         "Unable to open protocol file `{}`.",
[INFO] [stderr] 116 | |         prot.as_ref().display()
[INFO] [stderr] 117 | |     ));
[INFO] [stderr]     | |______^ help: try this: `unwrap_or_else(|_| panic!("Unable to open protocol file `{}`.", prot.as_ref().display()))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::expect_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.46s
[INFO] running `"docker" "inspect" "d2ac831eb2d136654062f2832f4964a64c52d5d19f0045b936db63d5f0805052"`
[INFO] running `"docker" "rm" "-f" "d2ac831eb2d136654062f2832f4964a64c52d5d19f0045b936db63d5f0805052"`
[INFO] [stdout] d2ac831eb2d136654062f2832f4964a64c52d5d19f0045b936db63d5f0805052