[INFO] crate perplex 0.4.1 is already in cache
[INFO] extracting crate perplex 0.4.1 into work/ex/clippy-test-run/sources/stable/reg/perplex/0.4.1
[INFO] extracting crate perplex 0.4.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/perplex/0.4.1
[INFO] validating manifest of perplex-0.4.1 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 perplex-0.4.1 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 perplex-0.4.1
[INFO] finished frobbing perplex-0.4.1
[INFO] frobbed toml for perplex-0.4.1 written to work/ex/clippy-test-run/sources/stable/reg/perplex/0.4.1/Cargo.toml
[INFO] started frobbing perplex-0.4.1
[INFO] finished frobbing perplex-0.4.1
[INFO] frobbed toml for perplex-0.4.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/perplex/0.4.1/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 perplex-0.4.1 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/perplex/0.4.1:/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] ddb5aa79f8e62ca624bc1d1804983800b5a7e52bcbeaea2c08719673d0094130
[INFO] running `"docker" "start" "-a" "ddb5aa79f8e62ca624bc1d1804983800b5a7e52bcbeaea2c08719673d0094130"`
[INFO] [stderr]     Checking perplex-runtime v0.1.1
[INFO] [stderr]     Checking perplex v0.4.1 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/grammar.rs:225:13
[INFO] [stderr]     |
[INFO] [stderr] 225 |             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: redundant field names in struct initialization
[INFO] [stderr]    --> src/grammar.rs:226:13
[INFO] [stderr]     |
[INFO] [stderr] 226 |             symbols: symbols,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `symbols`
[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/item_set.rs:122:13
[INFO] [stderr]     |
[INFO] [stderr] 122 |             id: id,
[INFO] [stderr]     |             ^^^^^^ help: replace it with: `id`
[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: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/item_set.rs:243:17
[INFO] [stderr]     |
[INFO] [stderr] 243 |                 write!(f, "\n")?;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::write_with_newline)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/machine.rs:67:29
[INFO] [stderr]    |
[INFO] [stderr] 67 |                             id: id,
[INFO] [stderr]    |                             ^^^^^^ help: replace it with: `id`
[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/backend.rs:109:9
[INFO] [stderr]     |
[INFO] [stderr] 109 |         grammar: grammar,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^ help: replace it with: `grammar`
[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/backend.rs:110:9
[INFO] [stderr]     |
[INFO] [stderr] 110 |         backend: backend,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^ help: replace it with: `backend`
[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: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 |     write!(into, "// Code automatically generated by perplex.\n")?;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:121:9
[INFO] [stderr]     |
[INFO] [stderr] 121 | /         write!(
[INFO] [stderr] 122 | |             into,
[INFO] [stderr] 123 | |             "    {}({}),\n",
[INFO] [stderr] 124 | |             cache.nonterminal_name(ntid),
[INFO] [stderr] 125 | |             cache.nonterminal_type(ntid)
[INFO] [stderr] 126 | |         )?;
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 128 |     write!(into, "}}\n")?;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |         write!(into, "    #[inline(always)]\n")?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:133:9
[INFO] [stderr]     |
[INFO] [stderr] 133 | /         write!(
[INFO] [stderr] 134 | |             into,
[INFO] [stderr] 135 | |             "    fn {}(self) -> {} {{\n",
[INFO] [stderr] 136 | |             cache.nonterminal_unwrap(ntid),
[INFO] [stderr] 137 | |             cache.nonterminal_type(ntid)
[INFO] [stderr] 138 | |         )?;
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:139:9
[INFO] [stderr]     |
[INFO] [stderr] 139 |         write!(into, "        match self {{\n")?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:140:9
[INFO] [stderr]     |
[INFO] [stderr] 140 | /         write!(
[INFO] [stderr] 141 | |             into,
[INFO] [stderr] 142 | |             "            Nonterminal::{}(nt) => nt,\n",
[INFO] [stderr] 143 | |             cache.nonterminal_name(ntid)
[INFO] [stderr] 144 | |         )?;
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:145:9
[INFO] [stderr]     |
[INFO] [stderr] 145 | /         write!(
[INFO] [stderr] 146 | |             into,
[INFO] [stderr] 147 | |             "            _ => panic!(\"expected nonterminal `{}`\"),\n",
[INFO] [stderr] 148 | |             cache.nonterminal_type(ntid)
[INFO] [stderr] 149 | |         )?;
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:150:9
[INFO] [stderr]     |
[INFO] [stderr] 150 |         write!(into, "        }}\n")?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:151:9
[INFO] [stderr]     |
[INFO] [stderr] 151 |         write!(into, "    }}\n")?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:153:5
[INFO] [stderr]     |
[INFO] [stderr] 153 |     write!(into, "}}\n")?;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:155:5
[INFO] [stderr]     |
[INFO] [stderr] 155 | /     write!(
[INFO] [stderr] 156 | |         into,
[INFO] [stderr] 157 | |         "    fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {{\n"
[INFO] [stderr] 158 | |     )?;
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:159:5
[INFO] [stderr]     |
[INFO] [stderr] 159 |     write!(into, "        match *self {{\n")?;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:162:9
[INFO] [stderr]     |
[INFO] [stderr] 162 | /         write!(
[INFO] [stderr] 163 | |             into,
[INFO] [stderr] 164 | |             "            Nonterminal::{}(..) => write!(f, \"{}\"),\n",
[INFO] [stderr] 165 | |             cache.nonterminal_name(ntid),
[INFO] [stderr] 166 | |             grammar.nonterminal_name(ntid),
[INFO] [stderr] 167 | |         )?;
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:169:5
[INFO] [stderr]     |
[INFO] [stderr] 169 |     write!(into, "        }}\n")?;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:170:5
[INFO] [stderr]     |
[INFO] [stderr] 170 |     write!(into, "    }}\n")?;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:171:5
[INFO] [stderr]     |
[INFO] [stderr] 171 |     write!(into, "}}\n")?;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:198:9
[INFO] [stderr]     |
[INFO] [stderr] 198 |         write!(into, "    match *p.peek() {{\n")?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:202:21
[INFO] [stderr]     |
[INFO] [stderr] 202 | /                     write!(
[INFO] [stderr] 203 | |                         into,
[INFO] [stderr] 204 | |                         "        {} => p.shift({}, {}),\n",
[INFO] [stderr] 205 | |                         cache.terminal_pattern(tid),
[INFO] [stderr] 206 | |                         cache.state_fn_name(target_state),
[INFO] [stderr] 207 | |                         cache.reduced_fn_name(target_state)
[INFO] [stderr] 208 | |                     )?;
[INFO] [stderr]     | |_____________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:213:25
[INFO] [stderr]     |
[INFO] [stderr] 213 |                         write!(into, "p.accept(),\n")?;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:217:25
[INFO] [stderr]     |
[INFO] [stderr] 217 |                         write!(into, "p.reduce({}, |args|{{\n", num)?;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:218:25
[INFO] [stderr]     |
[INFO] [stderr] 218 |                         write!(into, "            let mut args = args.into_iter();\n")?;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:222:57
[INFO] [stderr]     |
[INFO] [stderr] 222 |                                 Symbol::Terminal(..) => write!(into, ".unwrap_terminal();\n")?,
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:223:62
[INFO] [stderr]     |
[INFO] [stderr] 223 |                                   Symbol::Nonterminal(ntid) => write!(
[INFO] [stderr]     |  ______________________________________________________________^
[INFO] [stderr] 224 | |                                     into,
[INFO] [stderr] 225 | |                                     ".unwrap_nonterminal().unwrap_nt{}();\n",
[INFO] [stderr] 226 | |                                     ntid.as_usize()
[INFO] [stderr] 227 | |                                 )?,
[INFO] [stderr]     | |_________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:230:25
[INFO] [stderr]     |
[INFO] [stderr] 230 | /                         write!(
[INFO] [stderr] 231 | |                             into,
[INFO] [stderr] 232 | |                             "            let reduced: {} = {}(\n",
[INFO] [stderr] 233 | |                             cache.nonterminal_type(name),
[INFO] [stderr] 234 | |                             cache.reduction_function(rule_id),
[INFO] [stderr] 235 | |                         )?;
[INFO] [stderr]     | |_________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:237:29
[INFO] [stderr]     |
[INFO] [stderr] 237 |                             write!(into, "                arg{},\n", i)?;
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:239:25
[INFO] [stderr]     |
[INFO] [stderr] 239 |                         write!(into, "            );\n")?;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:240:25
[INFO] [stderr]     |
[INFO] [stderr] 240 | /                         write!(
[INFO] [stderr] 241 | |                             into,
[INFO] [stderr] 242 | |                             "            Nonterminal::{}(reduced)\n",
[INFO] [stderr] 243 | |                             cache.nonterminal_name(name)
[INFO] [stderr] 244 | |                         )?;
[INFO] [stderr]     | |_________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:245:25
[INFO] [stderr]     |
[INFO] [stderr] 245 |                         write!(into, "        }}),\n")?;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:250:9
[INFO] [stderr]     |
[INFO] [stderr] 250 | /         write!(
[INFO] [stderr] 251 | |             into,
[INFO] [stderr] 252 | |             "        _ => panic!(\"syntax error, unexpected {{:?}}\", p.peek()),\n"
[INFO] [stderr] 253 | |         )?;
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:254:9
[INFO] [stderr]     |
[INFO] [stderr] 254 |         write!(into, "    }};\n")?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:255:9
[INFO] [stderr]     |
[INFO] [stderr] 255 |         write!(into, "}}\n")?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:263:9
[INFO] [stderr]     |
[INFO] [stderr] 263 |         write!(into, "    match nt {{\n")?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:269:13
[INFO] [stderr]     |
[INFO] [stderr] 269 | /             write!(
[INFO] [stderr] 270 | |                 into,
[INFO] [stderr] 271 | |                 "        Nonterminal::{}(..) => p.goto(nt, {}, {}),\n",
[INFO] [stderr] 272 | |                 cache.nonterminal_name(ntid),
[INFO] [stderr] 273 | |                 cache.state_fn_name(state_id),
[INFO] [stderr] 274 | |                 cache.reduced_fn_name(state_id)
[INFO] [stderr] 275 | |             )?;
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:277:9
[INFO] [stderr]     |
[INFO] [stderr] 277 |         write!(into, "        _ => unreachable!(),\n")?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:278:9
[INFO] [stderr]     |
[INFO] [stderr] 278 |         write!(into, "    }};\n")?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:279:9
[INFO] [stderr]     |
[INFO] [stderr] 279 |         write!(into, "}}\n")?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parser.rs:125:9
[INFO] [stderr]     |
[INFO] [stderr] 125 |         name: name,
[INFO] [stderr]     |         ^^^^^^^^^^ help: replace it with: `name`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parser.rs:136:9
[INFO] [stderr]     |
[INFO] [stderr] 136 |         name: name,
[INFO] [stderr]     |         ^^^^^^^^^^ help: replace it with: `name`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parser.rs:195:9
[INFO] [stderr]     |
[INFO] [stderr] 195 |         seq: seq,
[INFO] [stderr]     |         ^^^^^^^^ help: replace it with: `seq`
[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/parser.rs:202:9
[INFO] [stderr]     |
[INFO] [stderr] 202 |         seq: seq,
[INFO] [stderr]     |         ^^^^^^^^ help: replace it with: `seq`
[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/glr.rs:56:21
[INFO] [stderr]    |
[INFO] [stderr] 56 |                     symbol: symbol,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^ help: replace it with: `symbol`
[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/glr.rs:373:21
[INFO] [stderr]     |
[INFO] [stderr] 373 |                     reconverged: reconverged,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `reconverged`
[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/grammar.rs:225:13
[INFO] [stderr]     |
[INFO] [stderr] 225 |             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: redundant field names in struct initialization
[INFO] [stderr]    --> src/grammar.rs:226:13
[INFO] [stderr]     |
[INFO] [stderr] 226 |             symbols: symbols,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `symbols`
[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/item_set.rs:122:13
[INFO] [stderr]     |
[INFO] [stderr] 122 |             id: id,
[INFO] [stderr]     |             ^^^^^^ help: replace it with: `id`
[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: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/item_set.rs:243:17
[INFO] [stderr]     |
[INFO] [stderr] 243 |                 write!(f, "\n")?;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::write_with_newline)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/machine.rs:67:29
[INFO] [stderr]    |
[INFO] [stderr] 67 |                             id: id,
[INFO] [stderr]    |                             ^^^^^^ help: replace it with: `id`
[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/backend.rs:109:9
[INFO] [stderr]     |
[INFO] [stderr] 109 |         grammar: grammar,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^ help: replace it with: `grammar`
[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/backend.rs:110:9
[INFO] [stderr]     |
[INFO] [stderr] 110 |         backend: backend,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^ help: replace it with: `backend`
[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: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 |     write!(into, "// Code automatically generated by perplex.\n")?;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:121:9
[INFO] [stderr]     |
[INFO] [stderr] 121 | /         write!(
[INFO] [stderr] 122 | |             into,
[INFO] [stderr] 123 | |             "    {}({}),\n",
[INFO] [stderr] 124 | |             cache.nonterminal_name(ntid),
[INFO] [stderr] 125 | |             cache.nonterminal_type(ntid)
[INFO] [stderr] 126 | |         )?;
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 128 |     write!(into, "}}\n")?;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |         write!(into, "    #[inline(always)]\n")?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:133:9
[INFO] [stderr]     |
[INFO] [stderr] 133 | /         write!(
[INFO] [stderr] 134 | |             into,
[INFO] [stderr] 135 | |             "    fn {}(self) -> {} {{\n",
[INFO] [stderr] 136 | |             cache.nonterminal_unwrap(ntid),
[INFO] [stderr] 137 | |             cache.nonterminal_type(ntid)
[INFO] [stderr] 138 | |         )?;
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:139:9
[INFO] [stderr]     |
[INFO] [stderr] 139 |         write!(into, "        match self {{\n")?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:140:9
[INFO] [stderr]     |
[INFO] [stderr] 140 | /         write!(
[INFO] [stderr] 141 | |             into,
[INFO] [stderr] 142 | |             "            Nonterminal::{}(nt) => nt,\n",
[INFO] [stderr] 143 | |             cache.nonterminal_name(ntid)
[INFO] [stderr] 144 | |         )?;
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:145:9
[INFO] [stderr]     |
[INFO] [stderr] 145 | /         write!(
[INFO] [stderr] 146 | |             into,
[INFO] [stderr] 147 | |             "            _ => panic!(\"expected nonterminal `{}`\"),\n",
[INFO] [stderr] 148 | |             cache.nonterminal_type(ntid)
[INFO] [stderr] 149 | |         )?;
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:150:9
[INFO] [stderr]     |
[INFO] [stderr] 150 |         write!(into, "        }}\n")?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:151:9
[INFO] [stderr]     |
[INFO] [stderr] 151 |         write!(into, "    }}\n")?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:153:5
[INFO] [stderr]     |
[INFO] [stderr] 153 |     write!(into, "}}\n")?;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:155:5
[INFO] [stderr]     |
[INFO] [stderr] 155 | /     write!(
[INFO] [stderr] 156 | |         into,
[INFO] [stderr] 157 | |         "    fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {{\n"
[INFO] [stderr] 158 | |     )?;
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:159:5
[INFO] [stderr]     |
[INFO] [stderr] 159 |     write!(into, "        match *self {{\n")?;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:162:9
[INFO] [stderr]     |
[INFO] [stderr] 162 | /         write!(
[INFO] [stderr] 163 | |             into,
[INFO] [stderr] 164 | |             "            Nonterminal::{}(..) => write!(f, \"{}\"),\n",
[INFO] [stderr] 165 | |             cache.nonterminal_name(ntid),
[INFO] [stderr] 166 | |             grammar.nonterminal_name(ntid),
[INFO] [stderr] 167 | |         )?;
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:169:5
[INFO] [stderr]     |
[INFO] [stderr] 169 |     write!(into, "        }}\n")?;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:170:5
[INFO] [stderr]     |
[INFO] [stderr] 170 |     write!(into, "    }}\n")?;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:171:5
[INFO] [stderr]     |
[INFO] [stderr] 171 |     write!(into, "}}\n")?;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:198:9
[INFO] [stderr]     |
[INFO] [stderr] 198 |         write!(into, "    match *p.peek() {{\n")?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:202:21
[INFO] [stderr]     |
[INFO] [stderr] 202 | /                     write!(
[INFO] [stderr] 203 | |                         into,
[INFO] [stderr] 204 | |                         "        {} => p.shift({}, {}),\n",
[INFO] [stderr] 205 | |                         cache.terminal_pattern(tid),
[INFO] [stderr] 206 | |                         cache.state_fn_name(target_state),
[INFO] [stderr] 207 | |                         cache.reduced_fn_name(target_state)
[INFO] [stderr] 208 | |                     )?;
[INFO] [stderr]     | |_____________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:213:25
[INFO] [stderr]     |
[INFO] [stderr] 213 |                         write!(into, "p.accept(),\n")?;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:217:25
[INFO] [stderr]     |
[INFO] [stderr] 217 |                         write!(into, "p.reduce({}, |args|{{\n", num)?;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:218:25
[INFO] [stderr]     |
[INFO] [stderr] 218 |                         write!(into, "            let mut args = args.into_iter();\n")?;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:222:57
[INFO] [stderr]     |
[INFO] [stderr] 222 |                                 Symbol::Terminal(..) => write!(into, ".unwrap_terminal();\n")?,
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:223:62
[INFO] [stderr]     |
[INFO] [stderr] 223 |                                   Symbol::Nonterminal(ntid) => write!(
[INFO] [stderr]     |  ______________________________________________________________^
[INFO] [stderr] 224 | |                                     into,
[INFO] [stderr] 225 | |                                     ".unwrap_nonterminal().unwrap_nt{}();\n",
[INFO] [stderr] 226 | |                                     ntid.as_usize()
[INFO] [stderr] 227 | |                                 )?,
[INFO] [stderr]     | |_________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:230:25
[INFO] [stderr]     |
[INFO] [stderr] 230 | /                         write!(
[INFO] [stderr] 231 | |                             into,
[INFO] [stderr] 232 | |                             "            let reduced: {} = {}(\n",
[INFO] [stderr] 233 | |                             cache.nonterminal_type(name),
[INFO] [stderr] 234 | |                             cache.reduction_function(rule_id),
[INFO] [stderr] 235 | |                         )?;
[INFO] [stderr]     | |_________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:237:29
[INFO] [stderr]     |
[INFO] [stderr] 237 |                             write!(into, "                arg{},\n", i)?;
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:239:25
[INFO] [stderr]     |
[INFO] [stderr] 239 |                         write!(into, "            );\n")?;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:240:25
[INFO] [stderr]     |
[INFO] [stderr] 240 | /                         write!(
[INFO] [stderr] 241 | |                             into,
[INFO] [stderr] 242 | |                             "            Nonterminal::{}(reduced)\n",
[INFO] [stderr] 243 | |                             cache.nonterminal_name(name)
[INFO] [stderr] 244 | |                         )?;
[INFO] [stderr]     | |_________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:245:25
[INFO] [stderr]     |
[INFO] [stderr] 245 |                         write!(into, "        }}),\n")?;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:250:9
[INFO] [stderr]     |
[INFO] [stderr] 250 | /         write!(
[INFO] [stderr] 251 | |             into,
[INFO] [stderr] 252 | |             "        _ => panic!(\"syntax error, unexpected {{:?}}\", p.peek()),\n"
[INFO] [stderr] 253 | |         )?;
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:254:9
[INFO] [stderr]     |
[INFO] [stderr] 254 |         write!(into, "    }};\n")?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:255:9
[INFO] [stderr]     |
[INFO] [stderr] 255 |         write!(into, "}}\n")?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:263:9
[INFO] [stderr]     |
[INFO] [stderr] 263 |         write!(into, "    match nt {{\n")?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:269:13
[INFO] [stderr]     |
[INFO] [stderr] 269 | /             write!(
[INFO] [stderr] 270 | |                 into,
[INFO] [stderr] 271 | |                 "        Nonterminal::{}(..) => p.goto(nt, {}, {}),\n",
[INFO] [stderr] 272 | |                 cache.nonterminal_name(ntid),
[INFO] [stderr] 273 | |                 cache.state_fn_name(state_id),
[INFO] [stderr] 274 | |                 cache.reduced_fn_name(state_id)
[INFO] [stderr] 275 | |             )?;
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:277:9
[INFO] [stderr]     |
[INFO] [stderr] 277 |         write!(into, "        _ => unreachable!(),\n")?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:278:9
[INFO] [stderr]     |
[INFO] [stderr] 278 |         write!(into, "    }};\n")?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/backend.rs:279:9
[INFO] [stderr]     |
[INFO] [stderr] 279 |         write!(into, "}}\n")?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parser.rs:125:9
[INFO] [stderr]     |
[INFO] [stderr] 125 |         name: name,
[INFO] [stderr]     |         ^^^^^^^^^^ help: replace it with: `name`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parser.rs:136:9
[INFO] [stderr]     |
[INFO] [stderr] 136 |         name: name,
[INFO] [stderr]     |         ^^^^^^^^^^ help: replace it with: `name`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parser.rs:195:9
[INFO] [stderr]     |
[INFO] [stderr] 195 |         seq: seq,
[INFO] [stderr]     |         ^^^^^^^^ help: replace it with: `seq`
[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/parser.rs:202:9
[INFO] [stderr]     |
[INFO] [stderr] 202 |         seq: seq,
[INFO] [stderr]     |         ^^^^^^^^ help: replace it with: `seq`
[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/glr.rs:56:21
[INFO] [stderr]    |
[INFO] [stderr] 56 |                     symbol: symbol,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^ help: replace it with: `symbol`
[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/glr.rs:373:21
[INFO] [stderr]     |
[INFO] [stderr] 373 |                     reconverged: reconverged,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `reconverged`
[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: All variants have the same prefix: `Nt`
[INFO] [stderr]   --> src/parser_states.rs:4:1
[INFO] [stderr]    |
[INFO] [stderr] 4  | / enum Nonterminal {
[INFO] [stderr] 5  | |     Nt0(ast::Desc),
[INFO] [stderr] 6  | |     Nt1(ast::Item),
[INFO] [stderr] 7  | |     Nt2(ast::TokenDecl),
[INFO] [stderr] ...  |
[INFO] [stderr] 13 | |     Nt8(Vec<String>),
[INFO] [stderr] 14 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::enum_variant_names)] on by default
[INFO] [stderr]    = help: remove the prefixes and use full paths to the variants instead of glob imports
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#enum_variant_names
[INFO] [stderr] 
[INFO] [stderr] warning: All variants have the same prefix: `Nt`
[INFO] [stderr]   --> src/parser_states.rs:4:1
[INFO] [stderr]    |
[INFO] [stderr] 4  | / enum Nonterminal {
[INFO] [stderr] 5  | |     Nt0(ast::Desc),
[INFO] [stderr] 6  | |     Nt1(ast::Item),
[INFO] [stderr] 7  | |     Nt2(ast::TokenDecl),
[INFO] [stderr] ...  |
[INFO] [stderr] 13 | |     Nt8(Vec<String>),
[INFO] [stderr] 14 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::enum_variant_names)] on by default
[INFO] [stderr]    = help: remove the prefixes and use full paths to the variants instead of glob imports
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#enum_variant_names
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `grammar::Grammar`
[INFO] [stderr]   --> src/grammar.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 | /     pub fn new() -> Grammar {
[INFO] [stderr] 72 | |         Grammar {
[INFO] [stderr] 73 | |             rules: Vec::new(),
[INFO] [stderr] 74 | |             nonterms: HashMap::new(),
[INFO] [stderr] ...  |
[INFO] [stderr] 79 | |         }
[INFO] [stderr] 80 | |     }
[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] 13 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `backend::Backend`
[INFO] [stderr]   --> src/backend.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | /     pub fn new() -> Backend {
[INFO] [stderr] 23 | |         Backend {
[INFO] [stderr] 24 | |             term_pats: HashMap::new(),
[INFO] [stderr] 25 | |             nonterm_types: HashMap::new(),
[INFO] [stderr] 26 | |             reduction_funcs: HashMap::new(),
[INFO] [stderr] 27 | |         }
[INFO] [stderr] 28 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[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] 14 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/backend.rs:173:29
[INFO] [stderr]     |
[INFO] [stderr] 173 |     let parser_constraint = format!("P: Parser<Terminal = Terminal, Nonterminal = Nonterminal>");
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"P: Parser<Terminal = Terminal, Nonterminal = Nonterminal>".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: the function has a cyclomatic complexity of 39
[INFO] [stderr]    --> src/honalee.rs:14:1
[INFO] [stderr]     |
[INFO] [stderr] 14  | / pub(crate) fn construct_item_sets(grammar: &Grammar) -> ItemSets {
[INFO] [stderr] 15  | |     let mut done_list: Vec<ItemSet> = vec![];
[INFO] [stderr] 16  | |     let mut todo_list: Vec<ItemSet> = vec![];
[INFO] [stderr] 17  | |     let mut inc_list: BTreeSet<usize> = BTreeSet::<usize>::new();
[INFO] [stderr] ...   |
[INFO] [stderr] 225 | |     sets
[INFO] [stderr] 226 | | }
[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: redundant closure found
[INFO] [stderr]    --> src/honalee.rs:133:33
[INFO] [stderr]     |
[INFO] [stderr] 133 |                 .or_insert_with(|| Vec::new())
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^ help: remove closure as shown: `Vec::new`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/honalee.rs:200:46
[INFO] [stderr]     |
[INFO] [stderr] 200 |                         item2.action = Some((symbol.clone(), Action::Shift(new_set.id)));
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^ help: try dereferencing it: `*symbol`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/glr.rs:47:33
[INFO] [stderr]    |
[INFO] [stderr] 47 |                 .or_insert_with(|| IndexSet::new())
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `IndexSet::new`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/glr.rs:709:9
[INFO] [stderr]     |
[INFO] [stderr] 709 | /         self.seq
[INFO] [stderr] 710 | |             .last()
[INFO] [stderr] 711 | |             .expect("lane has no items, which is forbidden")
[INFO] [stderr] 712 | |             .clone()
[INFO] [stderr]     | |____________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]     |
[INFO] [stderr] 709 |         *self.seq
[INFO] [stderr] 710 |             .last()
[INFO] [stderr] 711 |             .expect("lane has no items, which is forbidden")
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `grammar::Grammar`
[INFO] [stderr]   --> src/grammar.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 | /     pub fn new() -> Grammar {
[INFO] [stderr] 72 | |         Grammar {
[INFO] [stderr] 73 | |             rules: Vec::new(),
[INFO] [stderr] 74 | |             nonterms: HashMap::new(),
[INFO] [stderr] ...  |
[INFO] [stderr] 79 | |         }
[INFO] [stderr] 80 | |     }
[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] 13 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]   --> tests/tribble1.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 |         println!("");
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `backend::Backend`
[INFO] [stderr]   --> src/backend.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | /     pub fn new() -> Backend {
[INFO] [stderr] 23 | |         Backend {
[INFO] [stderr] 24 | |             term_pats: HashMap::new(),
[INFO] [stderr] 25 | |             nonterm_types: HashMap::new(),
[INFO] [stderr] 26 | |             reduction_funcs: HashMap::new(),
[INFO] [stderr] 27 | |         }
[INFO] [stderr] 28 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[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] 14 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> tests/tribble1.rs:122:13
[INFO] [stderr]     |
[INFO] [stderr] 122 |             state_fn: state_fn,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `state_fn`
[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]    --> tests/tribble1.rs:123:13
[INFO] [stderr]     |
[INFO] [stderr] 123 |             reduced_fn: reduced_fn,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `reduced_fn`
[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]    --> tests/tribble1.rs:136:13
[INFO] [stderr]     |
[INFO] [stderr] 136 |             state_fn: state_fn,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `state_fn`
[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]    --> tests/tribble1.rs:137:13
[INFO] [stderr]     |
[INFO] [stderr] 137 |             reduced_fn: reduced_fn,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `reduced_fn`
[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: useless use of `format!`
[INFO] [stderr]    --> src/backend.rs:173:29
[INFO] [stderr]     |
[INFO] [stderr] 173 |     let parser_constraint = format!("P: Parser<Terminal = Terminal, Nonterminal = Nonterminal>");
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"P: Parser<Terminal = Terminal, Nonterminal = Nonterminal>".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: the function has a cyclomatic complexity of 39
[INFO] [stderr]    --> src/honalee.rs:14:1
[INFO] [stderr]     |
[INFO] [stderr] 14  | / pub(crate) fn construct_item_sets(grammar: &Grammar) -> ItemSets {
[INFO] [stderr] 15  | |     let mut done_list: Vec<ItemSet> = vec![];
[INFO] [stderr] 16  | |     let mut todo_list: Vec<ItemSet> = vec![];
[INFO] [stderr] 17  | |     let mut inc_list: BTreeSet<usize> = BTreeSet::<usize>::new();
[INFO] [stderr] ...   |
[INFO] [stderr] 225 | |     sets
[INFO] [stderr] 226 | | }
[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: redundant closure found
[INFO] [stderr]    --> src/honalee.rs:133:33
[INFO] [stderr]     |
[INFO] [stderr] 133 |                 .or_insert_with(|| Vec::new())
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^ help: remove closure as shown: `Vec::new`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/honalee.rs:200:46
[INFO] [stderr]     |
[INFO] [stderr] 200 |                         item2.action = Some((symbol.clone(), Action::Shift(new_set.id)));
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^ help: try dereferencing it: `*symbol`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] error: this .into_iter() call is equivalent to .iter() and will not move the array
[INFO] [stderr]    --> src/parser.rs:329:34
[INFO] [stderr]     |
[INFO] [stderr] 329 |         let res = parse_iter(seq.into_iter().cloned());
[INFO] [stderr]     |                                  ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::into_iter_on_array)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_array
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/glr.rs:47:33
[INFO] [stderr]    |
[INFO] [stderr] 47 |                 .or_insert_with(|| IndexSet::new())
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `IndexSet::new`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/glr.rs:709:9
[INFO] [stderr]     |
[INFO] [stderr] 709 | /         self.seq
[INFO] [stderr] 710 | |             .last()
[INFO] [stderr] 711 | |             .expect("lane has no items, which is forbidden")
[INFO] [stderr] 712 | |             .clone()
[INFO] [stderr]     | |____________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]     |
[INFO] [stderr] 709 |         *self.seq
[INFO] [stderr] 710 |             .last()
[INFO] [stderr] 711 |             .expect("lane has no items, which is forbidden")
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `perplex`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: All variants have the same prefix: `Nt`
[INFO] [stderr]  --> tests/generated/tribble1_parser.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | / enum Nonterminal {
[INFO] [stderr] 5 | |     Nt0(NodeS),
[INFO] [stderr] 6 | |     Nt1(NodeA),
[INFO] [stderr] 7 | |     Nt2(NodeB),
[INFO] [stderr] 8 | | }
[INFO] [stderr]   | |_^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::enum_variant_names)] on by default
[INFO] [stderr]   = help: remove the prefixes and use full paths to the variants instead of glob imports
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#enum_variant_names
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> tests/tribble1.rs:112:21
[INFO] [stderr]     |
[INFO] [stderr] 112 |         let token = self.input.peek().map(|&t| t).unwrap_or(Token::Eof);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `self.input.peek().cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] error: this .into_iter() call is equivalent to .iter() and will not move the array
[INFO] [stderr]    --> tests/tribble1.rs:200:35
[INFO] [stderr]     |
[INFO] [stderr] 200 |     let res = IterParser::new(seq.into_iter().cloned()).run();
[INFO] [stderr]     |                                   ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::into_iter_on_array)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_array
[INFO] [stderr] 
[INFO] [stderr] error: this .into_iter() call is equivalent to .iter() and will not move the array
[INFO] [stderr]    --> tests/tribble1.rs:209:35
[INFO] [stderr]     |
[INFO] [stderr] 209 |     let res = IterParser::new(seq.into_iter().cloned()).run();
[INFO] [stderr]     |                                   ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_array
[INFO] [stderr] 
[INFO] [stderr] error: this .into_iter() call is equivalent to .iter() and will not move the array
[INFO] [stderr]    --> tests/tribble1.rs:218:35
[INFO] [stderr]     |
[INFO] [stderr] 218 |     let res = IterParser::new(seq.into_iter().cloned()).run();
[INFO] [stderr]     |                                   ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_array
[INFO] [stderr] 
[INFO] [stderr] error: this .into_iter() call is equivalent to .iter() and will not move the array
[INFO] [stderr]    --> tests/tribble1.rs:227:35
[INFO] [stderr]     |
[INFO] [stderr] 227 |     let res = IterParser::new(seq.into_iter().cloned()).run();
[INFO] [stderr]     |                                   ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_array
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `perplex`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "ddb5aa79f8e62ca624bc1d1804983800b5a7e52bcbeaea2c08719673d0094130"`
[INFO] running `"docker" "rm" "-f" "ddb5aa79f8e62ca624bc1d1804983800b5a7e52bcbeaea2c08719673d0094130"`
[INFO] [stdout] ddb5aa79f8e62ca624bc1d1804983800b5a7e52bcbeaea2c08719673d0094130