[INFO] crate pdf-extract 0.6.1 is already in cache
[INFO] checking pdf-extract-0.6.1 against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] extracting crate pdf-extract 0.6.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate pdf-extract 0.6.1 on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate pdf-extract 0.6.1
[INFO] finished tweaking crates.io crate pdf-extract 0.6.1
[INFO] tweaked toml for crates.io crate pdf-extract 0.6.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate pdf-extract 0.6.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9b661cd0c0bde5244943c8d48ea7671bf7a584973b7bb5dbe17bde9ce22e73a2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "9b661cd0c0bde5244943c8d48ea7671bf7a584973b7bb5dbe17bde9ce22e73a2"`
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling serde v1.0.65
[INFO] [stderr]     Checking pom v1.1.0
[INFO] [stderr]     Checking pom v3.0.2
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking postscript v0.11.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking type1-encoding-parser v0.1.0
[INFO] [stderr]     Checking adobe-cmap-parser v0.3.3
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking rayon-core v1.5.0
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking flate2 v1.0.3
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]     Checking lopdf v0.23.0
[INFO] [stderr]     Checking euclid v0.15.6
[INFO] [stderr]     Checking pdf-extract v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:293:65
[INFO] [stderr]     |
[INFO] [stderr] 293 | fn make_font<'a>(doc: &'a Document, font: &'a Dictionary) -> Rc<PdfFont + 'a> {
[INFO] [stderr]     |                                                                 ^^^^^^^^^^^^ help: use `dyn`: `dyn PdfFont + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:645:15
[INFO] [stderr]     |
[INFO] [stderr] 645 |     font: &'a PdfFont,
[INFO] [stderr]     |               ^^^^^^^ help: use `dyn`: `dyn PdfFont`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:667:10
[INFO] [stderr]     |
[INFO] [stderr] 667 | impl<'a> PdfFont + 'a {
[INFO] [stderr]     |          ^^^^^^^^^^^^ help: use `dyn`: `dyn PdfFont + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:796:29
[INFO] [stderr]     |
[INFO] [stderr] 796 |                     [0xd800 ... 0xdfff] => {
[INFO] [stderr]     |                             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1054:21
[INFO] [stderr]      |
[INFO] [stderr] 1054 |     font: Option<Rc<PdfFont + 'a>>,
[INFO] [stderr]      |                     ^^^^^^^^^^^^ help: use `dyn`: `dyn PdfFont + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1089:27
[INFO] [stderr]      |
[INFO] [stderr] 1089 |              output: &mut OutputDev) {
[INFO] [stderr]      |                           ^^^^^^^^^ help: use `dyn`: `dyn OutputDev`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]     --> src/lib.rs:1248:131
[INFO] [stderr]      |
[INFO] [stderr] 1248 |             let cs = maybe_get_array(doc, colorspaces, &name[..]).unwrap_or_else(|| panic!("missing colorspace {:?}", &name[..]));;
[INFO] [stderr]      |                                                                                                                                   ^ help: remove this semicolon
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(redundant_semicolon)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1310:133
[INFO] [stderr]      |
[INFO] [stderr] 1310 |     fn process_stream(&mut self, doc: &'a Document, content: Vec<u8>, resources: &'a Dictionary, media_box: &MediaBox, output: &mut OutputDev, page_num: u32) {
[INFO] [stderr]      |                                                                                                                                     ^^^^^^^^^ help: use `dyn`: `dyn OutputDev`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1621:19
[INFO] [stderr]      |
[INFO] [stderr] 1621 |     file: &'a mut std::io::Write,
[INFO] [stderr]      |                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1650:27
[INFO] [stderr]      |
[INFO] [stderr] 1650 |     pub fn new(file: &mut std::io::Write) -> HTMLOutput {
[INFO] [stderr]      |                           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1720:19
[INFO] [stderr]      |
[INFO] [stderr] 1720 |     file: &'a mut std::io::Write
[INFO] [stderr]      |                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1723:27
[INFO] [stderr]      |
[INFO] [stderr] 1723 |     pub fn new(file: &mut std::io::Write) -> SVGOutput {
[INFO] [stderr]      |                           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1838:35
[INFO] [stderr]      |
[INFO] [stderr] 1838 | impl<'a> ConvertToFmt for &'a mut std::io::Write {
[INFO] [stderr]      |                                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1957:48
[INFO] [stderr]      |
[INFO] [stderr] 1957 | pub fn output_doc(doc: &Document, output: &mut OutputDev) {
[INFO] [stderr]      |                                                ^^^^^^^^^ help: use `dyn`: `dyn OutputDev`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:293:65
[INFO] [stderr]     |
[INFO] [stderr] 293 | fn make_font<'a>(doc: &'a Document, font: &'a Dictionary) -> Rc<PdfFont + 'a> {
[INFO] [stderr]     |                                                                 ^^^^^^^^^^^^ help: use `dyn`: `dyn PdfFont + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:645:15
[INFO] [stderr]     |
[INFO] [stderr] 645 |     font: &'a PdfFont,
[INFO] [stderr]     |               ^^^^^^^ help: use `dyn`: `dyn PdfFont`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:667:10
[INFO] [stderr]     |
[INFO] [stderr] 667 | impl<'a> PdfFont + 'a {
[INFO] [stderr]     |          ^^^^^^^^^^^^ help: use `dyn`: `dyn PdfFont + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:796:29
[INFO] [stderr]     |
[INFO] [stderr] 796 |                     [0xd800 ... 0xdfff] => {
[INFO] [stderr]     |                             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1054:21
[INFO] [stderr]      |
[INFO] [stderr] 1054 |     font: Option<Rc<PdfFont + 'a>>,
[INFO] [stderr]      |                     ^^^^^^^^^^^^ help: use `dyn`: `dyn PdfFont + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1089:27
[INFO] [stderr]      |
[INFO] [stderr] 1089 |              output: &mut OutputDev) {
[INFO] [stderr]      |                           ^^^^^^^^^ help: use `dyn`: `dyn OutputDev`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]     --> src/lib.rs:1248:131
[INFO] [stderr]      |
[INFO] [stderr] 1248 |             let cs = maybe_get_array(doc, colorspaces, &name[..]).unwrap_or_else(|| panic!("missing colorspace {:?}", &name[..]));;
[INFO] [stderr]      |                                                                                                                                   ^ help: remove this semicolon
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(redundant_semicolon)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1310:133
[INFO] [stderr]      |
[INFO] [stderr] 1310 |     fn process_stream(&mut self, doc: &'a Document, content: Vec<u8>, resources: &'a Dictionary, media_box: &MediaBox, output: &mut OutputDev, page_num: u32) {
[INFO] [stderr]      |                                                                                                                                     ^^^^^^^^^ help: use `dyn`: `dyn OutputDev`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1621:19
[INFO] [stderr]      |
[INFO] [stderr] 1621 |     file: &'a mut std::io::Write,
[INFO] [stderr]      |                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1650:27
[INFO] [stderr]      |
[INFO] [stderr] 1650 |     pub fn new(file: &mut std::io::Write) -> HTMLOutput {
[INFO] [stderr]      |                           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1720:19
[INFO] [stderr]      |
[INFO] [stderr] 1720 |     file: &'a mut std::io::Write
[INFO] [stderr]      |                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1723:27
[INFO] [stderr]      |
[INFO] [stderr] 1723 |     pub fn new(file: &mut std::io::Write) -> SVGOutput {
[INFO] [stderr]      |                           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1838:35
[INFO] [stderr]      |
[INFO] [stderr] 1838 | impl<'a> ConvertToFmt for &'a mut std::io::Write {
[INFO] [stderr]      |                                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1957:48
[INFO] [stderr]      |
[INFO] [stderr] 1957 | pub fn output_doc(doc: &Document, output: &mut OutputDev) {
[INFO] [stderr]      |                                                ^^^^^^^^^ help: use `dyn`: `dyn OutputDev`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x_max`
[INFO] [stderr]    --> src/lib.rs:963:36
[INFO] [stderr]     |
[INFO] [stderr] 963 | fn interpolate(x: f64, x_min: f64, x_max: f64, y_min: f64, y_max: f64) -> f64 {
[INFO] [stderr]     |                                    ^^^^^ help: consider prefixing with an underscore: `_x_max`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `trm`
[INFO] [stderr]     --> src/lib.rs:1128:13
[INFO] [stderr]      |
[INFO] [stderr] 1128 |         let trm = ts.tm.pre_mul(&gs.ctm);
[INFO] [stderr]      |             ^^^ help: consider prefixing with an underscore: `_trm`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tlm`
[INFO] [stderr]     --> src/lib.rs:1087:14
[INFO] [stderr]      |
[INFO] [stderr] 1087 |              tlm: &Transform2D<f64>,
[INFO] [stderr]      |              ^^^ help: consider prefixing with an underscore: `_tlm`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `flip_ctm`
[INFO] [stderr]     --> src/lib.rs:1088:14
[INFO] [stderr]      |
[INFO] [stderr] 1088 |              flip_ctm: &Transform2D<f64>,
[INFO] [stderr]      |              ^^^^^^^^ help: consider prefixing with an underscore: `_flip_ctm`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctm`
[INFO] [stderr]     --> src/lib.rs:1615:26
[INFO] [stderr]      |
[INFO] [stderr] 1615 |     fn stroke(&mut self, ctm: &Transform2D<f64>, colorspace: &ColorSpace, color: &[f64], &Path) {}
[INFO] [stderr]      |                          ^^^ help: consider prefixing with an underscore: `_ctm`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `colorspace`
[INFO] [stderr]     --> src/lib.rs:1615:50
[INFO] [stderr]      |
[INFO] [stderr] 1615 |     fn stroke(&mut self, ctm: &Transform2D<f64>, colorspace: &ColorSpace, color: &[f64], &Path) {}
[INFO] [stderr]      |                                                  ^^^^^^^^^^ help: consider prefixing with an underscore: `_colorspace`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `color`
[INFO] [stderr]     --> src/lib.rs:1615:75
[INFO] [stderr]      |
[INFO] [stderr] 1615 |     fn stroke(&mut self, ctm: &Transform2D<f64>, colorspace: &ColorSpace, color: &[f64], &Path) {}
[INFO] [stderr]      |                                                                           ^^^^^ help: consider prefixing with an underscore: `_color`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctm`
[INFO] [stderr]     --> src/lib.rs:1616:24
[INFO] [stderr]      |
[INFO] [stderr] 1616 |     fn fill(&mut self, ctm: &Transform2D<f64>, colorspace: &ColorSpace, color: &[f64], &Path) {}
[INFO] [stderr]      |                        ^^^ help: consider prefixing with an underscore: `_ctm`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `colorspace`
[INFO] [stderr]     --> src/lib.rs:1616:48
[INFO] [stderr]      |
[INFO] [stderr] 1616 |     fn fill(&mut self, ctm: &Transform2D<f64>, colorspace: &ColorSpace, color: &[f64], &Path) {}
[INFO] [stderr]      |                                                ^^^^^^^^^^ help: consider prefixing with an underscore: `_colorspace`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `color`
[INFO] [stderr]     --> src/lib.rs:1616:73
[INFO] [stderr]      |
[INFO] [stderr] 1616 |     fn fill(&mut self, ctm: &Transform2D<f64>, colorspace: &ColorSpace, color: &[f64], &Path) {}
[INFO] [stderr]      |                                                                         ^^^^^ help: consider prefixing with an underscore: `_color`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]    --> src/lib.rs:158:65
[INFO] [stderr]     |
[INFO] [stderr] 158 |     fn from_opt_obj(doc: &'a Document, obj: Option<&'a Object>, key: &[u8]) -> Self {
[INFO] [stderr]     |                                                                 ^^^ help: consider prefixing with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `doc`
[INFO] [stderr]    --> src/lib.rs:213:17
[INFO] [stderr]     |
[INFO] [stderr] 213 |     fn from_obj(doc: &Document, obj: &Object) -> Option<Self> {
[INFO] [stderr]     |                 ^^^ help: consider prefixing with an underscore: `_doc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `doc`
[INFO] [stderr]    --> src/lib.rs:223:17
[INFO] [stderr]     |
[INFO] [stderr] 223 |     fn from_obj(doc: &Document, obj: &Object) -> Option<Self> {
[INFO] [stderr]     |                 ^^^ help: consider prefixing with an underscore: `_doc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `charset`
[INFO] [stderr]    --> src/lib.rs:387:17
[INFO] [stderr]     |
[INFO] [stderr] 387 |             let charset = match charset {
[INFO] [stderr]     |                 ^^^^^^^ help: consider prefixing with an underscore: `_charset`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `encoding_table` is never read
[INFO] [stderr]    --> src/lib.rs:574:17
[INFO] [stderr]     |
[INFO] [stderr] 574 |         let mut encoding_table = None;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/lib.rs:854:13
[INFO] [stderr]     |
[INFO] [stderr] 854 |         let f = font_dict.as_dict().expect("must be dict");
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n_inputs`
[INFO] [stderr]    --> src/lib.rs:976:13
[INFO] [stderr]     |
[INFO] [stderr] 976 |         let n_inputs = self.domain.len() / 2;
[INFO] [stderr]     |             ^^^^^^^^ help: consider prefixing with an underscore: `_n_inputs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n_ouputs`
[INFO] [stderr]    --> src/lib.rs:977:13
[INFO] [stderr]     |
[INFO] [stderr] 977 |         let n_ouputs = self.range.len() / 2;
[INFO] [stderr]     |             ^^^^^^^^ help: consider prefixing with an underscore: `_n_ouputs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]    --> src/lib.rs:975:20
[INFO] [stderr]     |
[INFO] [stderr] 975 |     fn eval(&self, input: &[f64], output: &mut [f64]) {
[INFO] [stderr]     |                    ^^^^^ help: consider prefixing with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]    --> src/lib.rs:975:35
[INFO] [stderr]     |
[INFO] [stderr] 975 |     fn eval(&self, input: &[f64], output: &mut [f64]) {
[INFO] [stderr]     |                                   ^^^^^^ help: consider prefixing with an underscore: `_output`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `page_num`
[INFO] [stderr]     --> src/lib.rs:1729:30
[INFO] [stderr]      |
[INFO] [stderr] 1729 |     fn begin_page(&mut self, page_num: u32, media_box: &MediaBox, art_box: Option<(f64, f64, f64, f64)>) {
[INFO] [stderr]      |                              ^^^^^^^^ help: consider prefixing with an underscore: `_page_num`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `trm`
[INFO] [stderr]     --> src/lib.rs:1764:36
[INFO] [stderr]      |
[INFO] [stderr] 1764 |     fn output_character(&mut self, trm: &Transform2D<f64>, width: f64, spacing: f64, font_size: f64, char: &str) {
[INFO] [stderr]      |                                    ^^^ help: consider prefixing with an underscore: `_trm`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `width`
[INFO] [stderr]     --> src/lib.rs:1764:60
[INFO] [stderr]      |
[INFO] [stderr] 1764 |     fn output_character(&mut self, trm: &Transform2D<f64>, width: f64, spacing: f64, font_size: f64, char: &str) {
[INFO] [stderr]      |                                                            ^^^^^ help: consider prefixing with an underscore: `_width`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `spacing`
[INFO] [stderr]     --> src/lib.rs:1764:72
[INFO] [stderr]      |
[INFO] [stderr] 1764 |     fn output_character(&mut self, trm: &Transform2D<f64>, width: f64, spacing: f64, font_size: f64, char: &str) {
[INFO] [stderr]      |                                                                        ^^^^^^^ help: consider prefixing with an underscore: `_spacing`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `font_size`
[INFO] [stderr]     --> src/lib.rs:1764:86
[INFO] [stderr]      |
[INFO] [stderr] 1764 |     fn output_character(&mut self, trm: &Transform2D<f64>, width: f64, spacing: f64, font_size: f64, char: &str) {
[INFO] [stderr]      |                                                                                      ^^^^^^^^^ help: consider prefixing with an underscore: `_font_size`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `char`
[INFO] [stderr]     --> src/lib.rs:1764:102
[INFO] [stderr]      |
[INFO] [stderr] 1764 |     fn output_character(&mut self, trm: &Transform2D<f64>, width: f64, spacing: f64, font_size: f64, char: &str) {
[INFO] [stderr]      |                                                                                                      ^^^^ help: consider prefixing with an underscore: `_char`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `page_num`
[INFO] [stderr]     --> src/lib.rs:1875:30
[INFO] [stderr]      |
[INFO] [stderr] 1875 |     fn begin_page(&mut self, page_num: u32, media_box: &MediaBox, _: Option<ArtBox>) {
[INFO] [stderr]      |                              ^^^^^^^^ help: consider prefixing with an underscore: `_page_num`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `spacing`
[INFO] [stderr]     --> src/lib.rs:1880:72
[INFO] [stderr]      |
[INFO] [stderr] 1880 |     fn output_character(&mut self, trm: &Transform2D<f64>, width: f64, spacing: f64, font_size: f64, char: &str) {
[INFO] [stderr]      |                                                                        ^^^^^^^ help: consider prefixing with an underscore: `_spacing`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `code`
[INFO] [stderr]     --> src/glyphnames.rs:4698:60
[INFO] [stderr]      |
[INFO] [stderr] 4698 |     let result = names.binary_search_by_key(&name, |&(name,code)| &name);
[INFO] [stderr]      |                                                            ^^^^ help: consider prefixing with an underscore: `_code`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `code`
[INFO] [stderr]    --> src/zapfglyphnames.rs:208:60
[INFO] [stderr]     |
[INFO] [stderr] 208 |     let result = names.binary_search_by_key(&name, |&(name,code)| &name);
[INFO] [stderr]     |                                                            ^^^^ help: consider prefixing with an underscore: `_code`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x_max`
[INFO] [stderr]    --> src/lib.rs:963:36
[INFO] [stderr]     |
[INFO] [stderr] 963 | fn interpolate(x: f64, x_min: f64, x_max: f64, y_min: f64, y_max: f64) -> f64 {
[INFO] [stderr]     |                                    ^^^^^ help: consider prefixing with an underscore: `_x_max`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `trm`
[INFO] [stderr]     --> src/lib.rs:1128:13
[INFO] [stderr]      |
[INFO] [stderr] 1128 |         let trm = ts.tm.pre_mul(&gs.ctm);
[INFO] [stderr]      |             ^^^ help: consider prefixing with an underscore: `_trm`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tlm`
[INFO] [stderr]     --> src/lib.rs:1087:14
[INFO] [stderr]      |
[INFO] [stderr] 1087 |              tlm: &Transform2D<f64>,
[INFO] [stderr]      |              ^^^ help: consider prefixing with an underscore: `_tlm`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `flip_ctm`
[INFO] [stderr]     --> src/lib.rs:1088:14
[INFO] [stderr]      |
[INFO] [stderr] 1088 |              flip_ctm: &Transform2D<f64>,
[INFO] [stderr]      |              ^^^^^^^^ help: consider prefixing with an underscore: `_flip_ctm`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctm`
[INFO] [stderr]     --> src/lib.rs:1615:26
[INFO] [stderr]      |
[INFO] [stderr] 1615 |     fn stroke(&mut self, ctm: &Transform2D<f64>, colorspace: &ColorSpace, color: &[f64], &Path) {}
[INFO] [stderr]      |                          ^^^ help: consider prefixing with an underscore: `_ctm`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `colorspace`
[INFO] [stderr]     --> src/lib.rs:1615:50
[INFO] [stderr]      |
[INFO] [stderr] 1615 |     fn stroke(&mut self, ctm: &Transform2D<f64>, colorspace: &ColorSpace, color: &[f64], &Path) {}
[INFO] [stderr]      |                                                  ^^^^^^^^^^ help: consider prefixing with an underscore: `_colorspace`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `color`
[INFO] [stderr]     --> src/lib.rs:1615:75
[INFO] [stderr]      |
[INFO] [stderr] 1615 |     fn stroke(&mut self, ctm: &Transform2D<f64>, colorspace: &ColorSpace, color: &[f64], &Path) {}
[INFO] [stderr]      |                                                                           ^^^^^ help: consider prefixing with an underscore: `_color`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctm`
[INFO] [stderr]     --> src/lib.rs:1616:24
[INFO] [stderr]      |
[INFO] [stderr] 1616 |     fn fill(&mut self, ctm: &Transform2D<f64>, colorspace: &ColorSpace, color: &[f64], &Path) {}
[INFO] [stderr]      |                        ^^^ help: consider prefixing with an underscore: `_ctm`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `colorspace`
[INFO] [stderr]     --> src/lib.rs:1616:48
[INFO] [stderr]      |
[INFO] [stderr] 1616 |     fn fill(&mut self, ctm: &Transform2D<f64>, colorspace: &ColorSpace, color: &[f64], &Path) {}
[INFO] [stderr]      |                                                ^^^^^^^^^^ help: consider prefixing with an underscore: `_colorspace`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `color`
[INFO] [stderr]     --> src/lib.rs:1616:73
[INFO] [stderr]      |
[INFO] [stderr] 1616 |     fn fill(&mut self, ctm: &Transform2D<f64>, colorspace: &ColorSpace, color: &[f64], &Path) {}
[INFO] [stderr]      |                                                                         ^^^^^ help: consider prefixing with an underscore: `_color`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]    --> src/lib.rs:158:65
[INFO] [stderr]     |
[INFO] [stderr] 158 |     fn from_opt_obj(doc: &'a Document, obj: Option<&'a Object>, key: &[u8]) -> Self {
[INFO] [stderr]     |                                                                 ^^^ help: consider prefixing with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `doc`
[INFO] [stderr]    --> src/lib.rs:213:17
[INFO] [stderr]     |
[INFO] [stderr] 213 |     fn from_obj(doc: &Document, obj: &Object) -> Option<Self> {
[INFO] [stderr]     |                 ^^^ help: consider prefixing with an underscore: `_doc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `doc`
[INFO] [stderr]    --> src/lib.rs:223:17
[INFO] [stderr]     |
[INFO] [stderr] 223 |     fn from_obj(doc: &Document, obj: &Object) -> Option<Self> {
[INFO] [stderr]     |                 ^^^ help: consider prefixing with an underscore: `_doc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `charset`
[INFO] [stderr]    --> src/lib.rs:387:17
[INFO] [stderr]     |
[INFO] [stderr] 387 |             let charset = match charset {
[INFO] [stderr]     |                 ^^^^^^^ help: consider prefixing with an underscore: `_charset`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `encoding_table` is never read
[INFO] [stderr]    --> src/lib.rs:574:17
[INFO] [stderr]     |
[INFO] [stderr] 574 |         let mut encoding_table = None;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/lib.rs:854:13
[INFO] [stderr]     |
[INFO] [stderr] 854 |         let f = font_dict.as_dict().expect("must be dict");
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n_inputs`
[INFO] [stderr]    --> src/lib.rs:976:13
[INFO] [stderr]     |
[INFO] [stderr] 976 |         let n_inputs = self.domain.len() / 2;
[INFO] [stderr]     |             ^^^^^^^^ help: consider prefixing with an underscore: `_n_inputs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n_ouputs`
[INFO] [stderr]    --> src/lib.rs:977:13
[INFO] [stderr]     |
[INFO] [stderr] 977 |         let n_ouputs = self.range.len() / 2;
[INFO] [stderr]     |             ^^^^^^^^ help: consider prefixing with an underscore: `_n_ouputs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]    --> src/lib.rs:975:20
[INFO] [stderr]     |
[INFO] [stderr] 975 |     fn eval(&self, input: &[f64], output: &mut [f64]) {
[INFO] [stderr]     |                    ^^^^^ help: consider prefixing with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]    --> src/lib.rs:975:35
[INFO] [stderr]     |
[INFO] [stderr] 975 |     fn eval(&self, input: &[f64], output: &mut [f64]) {
[INFO] [stderr]     |                                   ^^^^^^ help: consider prefixing with an underscore: `_output`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `page_num`
[INFO] [stderr]     --> src/lib.rs:1729:30
[INFO] [stderr]      |
[INFO] [stderr] 1729 |     fn begin_page(&mut self, page_num: u32, media_box: &MediaBox, art_box: Option<(f64, f64, f64, f64)>) {
[INFO] [stderr]      |                              ^^^^^^^^ help: consider prefixing with an underscore: `_page_num`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `trm`
[INFO] [stderr]     --> src/lib.rs:1764:36
[INFO] [stderr]      |
[INFO] [stderr] 1764 |     fn output_character(&mut self, trm: &Transform2D<f64>, width: f64, spacing: f64, font_size: f64, char: &str) {
[INFO] [stderr]      |                                    ^^^ help: consider prefixing with an underscore: `_trm`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `width`
[INFO] [stderr]     --> src/lib.rs:1764:60
[INFO] [stderr]      |
[INFO] [stderr] 1764 |     fn output_character(&mut self, trm: &Transform2D<f64>, width: f64, spacing: f64, font_size: f64, char: &str) {
[INFO] [stderr]      |                                                            ^^^^^ help: consider prefixing with an underscore: `_width`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `spacing`
[INFO] [stderr]     --> src/lib.rs:1764:72
[INFO] [stderr]      |
[INFO] [stderr] 1764 |     fn output_character(&mut self, trm: &Transform2D<f64>, width: f64, spacing: f64, font_size: f64, char: &str) {
[INFO] [stderr]      |                                                                        ^^^^^^^ help: consider prefixing with an underscore: `_spacing`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `font_size`
[INFO] [stderr]     --> src/lib.rs:1764:86
[INFO] [stderr]      |
[INFO] [stderr] 1764 |     fn output_character(&mut self, trm: &Transform2D<f64>, width: f64, spacing: f64, font_size: f64, char: &str) {
[INFO] [stderr]      |                                                                                      ^^^^^^^^^ help: consider prefixing with an underscore: `_font_size`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `char`
[INFO] [stderr]     --> src/lib.rs:1764:102
[INFO] [stderr]      |
[INFO] [stderr] 1764 |     fn output_character(&mut self, trm: &Transform2D<f64>, width: f64, spacing: f64, font_size: f64, char: &str) {
[INFO] [stderr]      |                                                                                                      ^^^^ help: consider prefixing with an underscore: `_char`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `page_num`
[INFO] [stderr]     --> src/lib.rs:1875:30
[INFO] [stderr]      |
[INFO] [stderr] 1875 |     fn begin_page(&mut self, page_num: u32, media_box: &MediaBox, _: Option<ArtBox>) {
[INFO] [stderr]      |                              ^^^^^^^^ help: consider prefixing with an underscore: `_page_num`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `spacing`
[INFO] [stderr]     --> src/lib.rs:1880:72
[INFO] [stderr]      |
[INFO] [stderr] 1880 |     fn output_character(&mut self, trm: &Transform2D<f64>, width: f64, spacing: f64, font_size: f64, char: &str) {
[INFO] [stderr]      |                                                                        ^^^^^^^ help: consider prefixing with an underscore: `_spacing`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `code`
[INFO] [stderr]     --> src/glyphnames.rs:4698:60
[INFO] [stderr]      |
[INFO] [stderr] 4698 |     let result = names.binary_search_by_key(&name, |&(name,code)| &name);
[INFO] [stderr]      |                                                            ^^^^ help: consider prefixing with an underscore: `_code`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `code`
[INFO] [stderr]    --> src/zapfglyphnames.rs:208:60
[INFO] [stderr]     |
[INFO] [stderr] 208 |     let result = names.binary_search_by_key(&name, |&(name,code)| &name);
[INFO] [stderr]     |                                                            ^^^^ help: consider prefixing with an underscore: `_code`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:527:17
[INFO] [stderr]     |
[INFO] [stderr] 527 |             let mut first_char: i64 = get(doc, font, b"FirstChar");
[INFO] [stderr]     |                 ----^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:528:17
[INFO] [stderr]     |
[INFO] [stderr] 528 |             let mut last_char: i64 = get(doc, font, b"LastChar");
[INFO] [stderr]     |                 ----^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:529:17
[INFO] [stderr]     |
[INFO] [stderr] 529 |             let mut widths: Vec<f64> = get(doc, font, b"Widths");
[INFO] [stderr]     |                 ----^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:621:13
[INFO] [stderr]     |
[INFO] [stderr] 621 |         let mut first_char: i64 = get(doc, font, b"FirstChar");
[INFO] [stderr]     |             ----^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:622:13
[INFO] [stderr]     |
[INFO] [stderr] 622 |         let mut last_char: i64 = get(doc, font, b"LastChar");
[INFO] [stderr]     |             ----^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:623:13
[INFO] [stderr]     |
[INFO] [stderr] 623 |         let mut widths: Vec<f64> = get(doc, font, b"Widths");
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:527:17
[INFO] [stderr]     |
[INFO] [stderr] 527 |             let mut first_char: i64 = get(doc, font, b"FirstChar");
[INFO] [stderr]     |                 ----^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:528:17
[INFO] [stderr]     |
[INFO] [stderr] 528 |             let mut last_char: i64 = get(doc, font, b"LastChar");
[INFO] [stderr]     |                 ----^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:529:17
[INFO] [stderr]     |
[INFO] [stderr] 529 |             let mut widths: Vec<f64> = get(doc, font, b"Widths");
[INFO] [stderr]     |                 ----^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:621:13
[INFO] [stderr]     |
[INFO] [stderr] 621 |         let mut first_char: i64 = get(doc, font, b"FirstChar");
[INFO] [stderr]     |             ----^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:622:13
[INFO] [stderr]     |
[INFO] [stderr] 622 |         let mut last_char: i64 = get(doc, font, b"LastChar");
[INFO] [stderr]     |             ----^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:623:13
[INFO] [stderr]     |
[INFO] [stderr] 623 |         let mut widths: Vec<f64> = get(doc, font, b"Widths");
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/lib.rs:1338:13
[INFO] [stderr]      |
[INFO] [stderr] 1338 |         let mut flip_ctm = Transform2D::row_major(1., 0., 0., -1., 0., media_box.ury - media_box.lly);
[INFO] [stderr]      |             ----^^^^^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/lib.rs:1750:13
[INFO] [stderr]      |
[INFO] [stderr] 1750 |         let mut ctm = Mat::create_scale(1., -1.).post_translate(vec2(0., media_box.ury));
[INFO] [stderr]      |             ----^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/lib.rs:1338:13
[INFO] [stderr]      |
[INFO] [stderr] 1338 |         let mut flip_ctm = Transform2D::row_major(1., 0., 0., -1., 0., media_box.ury - media_box.lly);
[INFO] [stderr]      |             ----^^^^^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/lib.rs:1750:13
[INFO] [stderr]      |
[INFO] [stderr] 1750 |         let mut ctm = Mat::create_scale(1., -1.).post_translate(vec2(0., media_box.ury));
[INFO] [stderr]      |             ----^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `STANDARD_ENCODING`
[INFO] [stderr]     --> src/encodings.rs:775:1
[INFO] [stderr]      |
[INFO] [stderr] 775  | / pub const STANDARD_ENCODING: [Option<&str>; 256] = [
[INFO] [stderr] 776  | |   None,
[INFO] [stderr] 777  | |   None,
[INFO] [stderr] 778  | |   None,
[INFO] [stderr] ...    |
[INFO] [stderr] 1031 | |   None
[INFO] [stderr] 1032 | | ];
[INFO] [stderr]      | |__^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `EXPERT_ENCODING`
[INFO] [stderr]     --> src/encodings.rs:1034:1
[INFO] [stderr]      |
[INFO] [stderr] 1034 | / pub const EXPERT_ENCODING: [Option<&str>; 256] = [
[INFO] [stderr] 1035 | |   None,
[INFO] [stderr] 1036 | |   None,
[INFO] [stderr] 1037 | |   None,
[INFO] [stderr] ...    |
[INFO] [stderr] 1289 | |   Some("Thornsmall"),
[INFO] [stderr] 1290 | |   Some("Ydieresissmall")];
[INFO] [stderr]      | |__________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SYMBOL_ENCODING`
[INFO] [stderr]     --> src/encodings.rs:1292:1
[INFO] [stderr]      |
[INFO] [stderr] 1292 | / pub const SYMBOL_ENCODING: [Option<&str>; 256] = [
[INFO] [stderr] 1293 | |   None,
[INFO] [stderr] 1294 | |   None,
[INFO] [stderr] 1295 | |   None,
[INFO] [stderr] ...    |
[INFO] [stderr] 1547 | |   Some("bracerightbt"),
[INFO] [stderr] 1548 | |   None];
[INFO] [stderr]      | |________^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `ZAPFDINGBATS_ENCODING`
[INFO] [stderr]     --> src/encodings.rs:1550:1
[INFO] [stderr]      |
[INFO] [stderr] 1550 | / pub const ZAPFDINGBATS_ENCODING: [Option<&str>; 256] = [
[INFO] [stderr] 1551 | |   None,
[INFO] [stderr] 1552 | |   None,
[INFO] [stderr] 1553 | |   None,
[INFO] [stderr] ...    |
[INFO] [stderr] 1805 | |   Some("a191"),
[INFO] [stderr] 1806 | |   None];
[INFO] [stderr]      | |________^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_type`
[INFO] [stderr]    --> src/lib.rs:131:4
[INFO] [stderr]     |
[INFO] [stderr] 131 | fn get_type(o: &Dictionary) -> &str
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `to_array4`
[INFO] [stderr]    --> src/lib.rs:179:4
[INFO] [stderr]     |
[INFO] [stderr] 179 | fn to_array4<T>(v: Vec<T>) -> Option<[T; 4]> {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_name`
[INFO] [stderr]    --> src/lib.rs:257:4
[INFO] [stderr]     |
[INFO] [stderr] 257 | fn get_name<'a>(doc: &'a Document, dict: &'a Dictionary, key: &[u8]) -> &'a [u8] {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `maybe_get_name_string`
[INFO] [stderr]    --> src/lib.rs:261:4
[INFO] [stderr]     |
[INFO] [stderr] 261 | fn maybe_get_name_string<'a>(doc: &'a Document, dict: &'a Dictionary, key: &[u8]) -> Option<String> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_type`
[INFO] [stderr]    --> src/lib.rs:543:5
[INFO] [stderr]     |
[INFO] [stderr] 543 |     fn get_type(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_basefont`
[INFO] [stderr]    --> src/lib.rs:546:5
[INFO] [stderr]     |
[INFO] [stderr] 546 |     fn get_basefont(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_subtype`
[INFO] [stderr]    --> src/lib.rs:549:5
[INFO] [stderr]     |
[INFO] [stderr] 549 |     fn get_subtype(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_widths`
[INFO] [stderr]    --> src/lib.rs:552:5
[INFO] [stderr]     |
[INFO] [stderr] 552 |     fn get_widths(&self) -> Option<&Vec<Object>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_name`
[INFO] [stderr]    --> src/lib.rs:557:5
[INFO] [stderr]     |
[INFO] [stderr] 557 |     fn get_name(&self) -> Option<String> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_descriptor`
[INFO] [stderr]    --> src/lib.rs:561:5
[INFO] [stderr]     |
[INFO] [stderr] 561 |     fn get_descriptor(&self) -> Option<PdfFontDescriptor> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `CID`
[INFO] [stderr]    --> src/lib.rs:640:1
[INFO] [stderr]     |
[INFO] [stderr] 640 | type CID = u32;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `doc`
[INFO] [stderr]    --> src/lib.rs:766:5
[INFO] [stderr]     |
[INFO] [stderr] 766 |     doc: &'a Document,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `encoding`
[INFO] [stderr]    --> src/lib.rs:767:5
[INFO] [stderr]     |
[INFO] [stderr] 767 |     encoding: Option<Vec<u16>>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `doc`
[INFO] [stderr]    --> src/lib.rs:937:5
[INFO] [stderr]     |
[INFO] [stderr] 937 |     doc: &'a Document
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_file`
[INFO] [stderr]    --> src/lib.rs:941:5
[INFO] [stderr]     |
[INFO] [stderr] 941 |     fn get_file(&self) -> Option<&'a Object> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `interpolate`
[INFO] [stderr]    --> src/lib.rs:963:4
[INFO] [stderr]     |
[INFO] [stderr] 963 | fn interpolate(x: f64, x_min: f64, x_max: f64, y_min: f64, y_max: f64) -> f64 {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `eval`
[INFO] [stderr]    --> src/lib.rs:975:5
[INFO] [stderr]     |
[INFO] [stderr] 975 |     fn eval(&self, input: &[f64], output: &mut [f64]) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Type3`
[INFO] [stderr]    --> src/lib.rs:993:5
[INFO] [stderr]     |
[INFO] [stderr] 993 |     Type3,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Type4`
[INFO] [stderr]    --> src/lib.rs:994:5
[INFO] [stderr]     |
[INFO] [stderr] 994 |     Type4
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1670:13
[INFO] [stderr]      |
[INFO] [stderr] 1670 | /             write!(self.file, "<div style='position: absolute; left: {}px; top: {}px; font-size: {}px'>{}</div>\n",
[INFO] [stderr] 1671 | |                    x, y, transformed_font_size, insert_nbsp(&self.buf));
[INFO] [stderr]      | |________________________________________________________________________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1680:9
[INFO] [stderr]      |
[INFO] [stderr] 1680 |         write!(self.file, "<meta charset='utf-8' /> ");
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1681:9
[INFO] [stderr]      |
[INFO] [stderr] 1681 |         write!(self.file, "<!-- page {} -->", page_num);
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1682:9
[INFO] [stderr]      |
[INFO] [stderr] 1682 |         write!(self.file, "<div id='page{}' style='position: relative; height: {}px; width: {}px; border: 1px black solid'>", page_num, media_box.ury - media_box.lly, media_box.urx - media_box.llx);
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1689:9
[INFO] [stderr]      |
[INFO] [stderr] 1689 |         write!(self.file, "</div>");
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `STANDARD_ENCODING`
[INFO] [stderr]     --> src/encodings.rs:775:1
[INFO] [stderr]      |
[INFO] [stderr] 775  | / pub const STANDARD_ENCODING: [Option<&str>; 256] = [
[INFO] [stderr] 776  | |   None,
[INFO] [stderr] 777  | |   None,
[INFO] [stderr] 778  | |   None,
[INFO] [stderr] ...    |
[INFO] [stderr] 1031 | |   None
[INFO] [stderr] 1032 | | ];
[INFO] [stderr]      | |__^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1710:9
[INFO] [stderr]      |
[INFO] [stderr] 1710 | /         write!(self.file, "<div style='position: absolute; color: red; left: {}px; top: {}px; font-size: {}px'>{}</div>",
[INFO] [stderr] 1711 | |                x, y, transformed_font_size, char);
[INFO] [stderr]      | |__________________________________________________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1731:9
[INFO] [stderr]      |
[INFO] [stderr] 1731 |         write!(self.file, "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n");
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1733:13
[INFO] [stderr]      |
[INFO] [stderr] 1733 |             write!(self.file, r#"<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">"#);
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1735:13
[INFO] [stderr]      |
[INFO] [stderr] 1735 |             write!(self.file, r#"<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.0//EN" "http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">"#);
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1741:13
[INFO] [stderr]      |
[INFO] [stderr] 1741 |             write!(self.file, "<svg width=\"{}\" height=\"{}\" xmlns=\"http://www.w3.org/2000/svg\" version=\"{}\" viewBox='{} {} {} {}'>", width, height, ver, art_box.0, y, width, height);
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1745:13
[INFO] [stderr]      |
[INFO] [stderr] 1745 |             write!(self.file, "<svg width=\"{}\" height=\"{}\" xmlns=\"http://www.w3.org/2000/svg\" version=\"{}\" viewBox='{} {} {} {}'>", width, height, ver, media_box.llx, media_box.lly, width, height);
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1747:9
[INFO] [stderr]      |
[INFO] [stderr] 1747 |         write!(self.file, "\n");
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1751:9
[INFO] [stderr]      |
[INFO] [stderr] 1751 | /         write!(self.file, "<g transform='matrix({}, {}, {}, {}, {}, {})'>\n",
[INFO] [stderr] 1752 | |                ctm.m11,
[INFO] [stderr] 1753 | |                ctm.m12,
[INFO] [stderr] 1754 | |                ctm.m21,
[INFO] [stderr] ...    |
[INFO] [stderr] 1757 | |                ctm.m32,
[INFO] [stderr] 1758 | |         );
[INFO] [stderr]      | |__________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1761:9
[INFO] [stderr]      |
[INFO] [stderr] 1761 |         write!(self.file, "</g>\n");
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1762:9
[INFO] [stderr]      |
[INFO] [stderr] 1762 |         write!(self.file, "</svg>");
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `EXPERT_ENCODING`
[INFO] [stderr]     --> src/encodings.rs:1034:1
[INFO] [stderr]      |
[INFO] [stderr] 1034 | / pub const EXPERT_ENCODING: [Option<&str>; 256] = [
[INFO] [stderr] 1035 | |   None,
[INFO] [stderr] 1036 | |   None,
[INFO] [stderr] 1037 | |   None,
[INFO] [stderr] ...    |
[INFO] [stderr] 1289 | |   Some("Thornsmall"),
[INFO] [stderr] 1290 | |   Some("Ydieresissmall")];
[INFO] [stderr]      | |__________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1770:9
[INFO] [stderr]      |
[INFO] [stderr] 1770 | /         write!(self.file, "<g transform='matrix({}, {}, {}, {}, {}, {})'>",
[INFO] [stderr] 1771 | |                ctm.m11,
[INFO] [stderr] 1772 | |                ctm.m12,
[INFO] [stderr] 1773 | |                ctm.m21,
[INFO] [stderr] ...    |
[INFO] [stderr] 1776 | |                ctm.m32,
[INFO] [stderr] 1777 | |         );
[INFO] [stderr]      | |__________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1803:9
[INFO] [stderr]      |
[INFO] [stderr] 1803 |         write!(self.file, "<path d='{}' />", d.join(" "));
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1804:9
[INFO] [stderr]      |
[INFO] [stderr] 1804 |         write!(self.file, "</g>");
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1805:9
[INFO] [stderr]      |
[INFO] [stderr] 1805 |         write!(self.file, "\n");
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1890:17
[INFO] [stderr]      |
[INFO] [stderr] 1890 |                 write!(self.writer, "\n");
[INFO] [stderr]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1895:17
[INFO] [stderr]      |
[INFO] [stderr] 1895 |                 write!(self.writer, "\n");
[INFO] [stderr]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SYMBOL_ENCODING`
[INFO] [stderr]     --> src/encodings.rs:1292:1
[INFO] [stderr]      |
[INFO] [stderr] 1292 | / pub const SYMBOL_ENCODING: [Option<&str>; 256] = [
[INFO] [stderr] 1293 | |   None,
[INFO] [stderr] 1294 | |   None,
[INFO] [stderr] 1295 | |   None,
[INFO] [stderr] ...    |
[INFO] [stderr] 1547 | |   Some("bracerightbt"),
[INFO] [stderr] 1548 | |   None];
[INFO] [stderr]      | |________^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1900:17
[INFO] [stderr]      |
[INFO] [stderr] 1900 |                 write!(self.writer, " ");
[INFO] [stderr]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1904:9
[INFO] [stderr]      |
[INFO] [stderr] 1904 |         write!(self.writer, "{}", char);
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `ZAPFDINGBATS_ENCODING`
[INFO] [stderr]     --> src/encodings.rs:1550:1
[INFO] [stderr]      |
[INFO] [stderr] 1550 | / pub const ZAPFDINGBATS_ENCODING: [Option<&str>; 256] = [
[INFO] [stderr] 1551 | |   None,
[INFO] [stderr] 1552 | |   None,
[INFO] [stderr] 1553 | |   None,
[INFO] [stderr] ...    |
[INFO] [stderr] 1805 | |   Some("a191"),
[INFO] [stderr] 1806 | |   None];
[INFO] [stderr]      | |________^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_type`
[INFO] [stderr]    --> src/lib.rs:131:4
[INFO] [stderr]     |
[INFO] [stderr] 131 | fn get_type(o: &Dictionary) -> &str
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `to_array4`
[INFO] [stderr]    --> src/lib.rs:179:4
[INFO] [stderr]     |
[INFO] [stderr] 179 | fn to_array4<T>(v: Vec<T>) -> Option<[T; 4]> {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_name`
[INFO] [stderr]    --> src/lib.rs:257:4
[INFO] [stderr]     |
[INFO] [stderr] 257 | fn get_name<'a>(doc: &'a Document, dict: &'a Dictionary, key: &[u8]) -> &'a [u8] {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `maybe_get_name_string`
[INFO] [stderr]    --> src/lib.rs:261:4
[INFO] [stderr]     |
[INFO] [stderr] 261 | fn maybe_get_name_string<'a>(doc: &'a Document, dict: &'a Dictionary, key: &[u8]) -> Option<String> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_type`
[INFO] [stderr]    --> src/lib.rs:543:5
[INFO] [stderr]     |
[INFO] [stderr] 543 |     fn get_type(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_basefont`
[INFO] [stderr]    --> src/lib.rs:546:5
[INFO] [stderr]     |
[INFO] [stderr] 546 |     fn get_basefont(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_subtype`
[INFO] [stderr]    --> src/lib.rs:549:5
[INFO] [stderr]     |
[INFO] [stderr] 549 |     fn get_subtype(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_widths`
[INFO] [stderr]    --> src/lib.rs:552:5
[INFO] [stderr]     |
[INFO] [stderr] 552 |     fn get_widths(&self) -> Option<&Vec<Object>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_name`
[INFO] [stderr]    --> src/lib.rs:557:5
[INFO] [stderr]     |
[INFO] [stderr] 557 |     fn get_name(&self) -> Option<String> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_descriptor`
[INFO] [stderr]    --> src/lib.rs:561:5
[INFO] [stderr]     |
[INFO] [stderr] 561 |     fn get_descriptor(&self) -> Option<PdfFontDescriptor> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `CID`
[INFO] [stderr]    --> src/lib.rs:640:1
[INFO] [stderr]     |
[INFO] [stderr] 640 | type CID = u32;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `doc`
[INFO] [stderr]    --> src/lib.rs:766:5
[INFO] [stderr]     |
[INFO] [stderr] 766 |     doc: &'a Document,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `encoding`
[INFO] [stderr]    --> src/lib.rs:767:5
[INFO] [stderr]     |
[INFO] [stderr] 767 |     encoding: Option<Vec<u16>>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `doc`
[INFO] [stderr]    --> src/lib.rs:937:5
[INFO] [stderr]     |
[INFO] [stderr] 937 |     doc: &'a Document
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_file`
[INFO] [stderr]    --> src/lib.rs:941:5
[INFO] [stderr]     |
[INFO] [stderr] 941 |     fn get_file(&self) -> Option<&'a Object> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `interpolate`
[INFO] [stderr]    --> src/lib.rs:963:4
[INFO] [stderr]     |
[INFO] [stderr] 963 | fn interpolate(x: f64, x_min: f64, x_max: f64, y_min: f64, y_max: f64) -> f64 {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `eval`
[INFO] [stderr]    --> src/lib.rs:975:5
[INFO] [stderr]     |
[INFO] [stderr] 975 |     fn eval(&self, input: &[f64], output: &mut [f64]) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Type3`
[INFO] [stderr]    --> src/lib.rs:993:5
[INFO] [stderr]     |
[INFO] [stderr] 993 |     Type3,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Type4`
[INFO] [stderr]    --> src/lib.rs:994:5
[INFO] [stderr]     |
[INFO] [stderr] 994 |     Type4
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1670:13
[INFO] [stderr]      |
[INFO] [stderr] 1670 | /             write!(self.file, "<div style='position: absolute; left: {}px; top: {}px; font-size: {}px'>{}</div>\n",
[INFO] [stderr] 1671 | |                    x, y, transformed_font_size, insert_nbsp(&self.buf));
[INFO] [stderr]      | |________________________________________________________________________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1680:9
[INFO] [stderr]      |
[INFO] [stderr] 1680 |         write!(self.file, "<meta charset='utf-8' /> ");
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1681:9
[INFO] [stderr]      |
[INFO] [stderr] 1681 |         write!(self.file, "<!-- page {} -->", page_num);
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1682:9
[INFO] [stderr]      |
[INFO] [stderr] 1682 |         write!(self.file, "<div id='page{}' style='position: relative; height: {}px; width: {}px; border: 1px black solid'>", page_num, media_box.ury - media_box.lly, media_box.urx - media_box.llx);
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1689:9
[INFO] [stderr]      |
[INFO] [stderr] 1689 |         write!(self.file, "</div>");
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1710:9
[INFO] [stderr]      |
[INFO] [stderr] 1710 | /         write!(self.file, "<div style='position: absolute; color: red; left: {}px; top: {}px; font-size: {}px'>{}</div>",
[INFO] [stderr] 1711 | |                x, y, transformed_font_size, char);
[INFO] [stderr]      | |__________________________________________________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1731:9
[INFO] [stderr]      |
[INFO] [stderr] 1731 |         write!(self.file, "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n");
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1733:13
[INFO] [stderr]      |
[INFO] [stderr] 1733 |             write!(self.file, r#"<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">"#);
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1735:13
[INFO] [stderr]      |
[INFO] [stderr] 1735 |             write!(self.file, r#"<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.0//EN" "http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">"#);
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1741:13
[INFO] [stderr]      |
[INFO] [stderr] 1741 |             write!(self.file, "<svg width=\"{}\" height=\"{}\" xmlns=\"http://www.w3.org/2000/svg\" version=\"{}\" viewBox='{} {} {} {}'>", width, height, ver, art_box.0, y, width, height);
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1745:13
[INFO] [stderr]      |
[INFO] [stderr] 1745 |             write!(self.file, "<svg width=\"{}\" height=\"{}\" xmlns=\"http://www.w3.org/2000/svg\" version=\"{}\" viewBox='{} {} {} {}'>", width, height, ver, media_box.llx, media_box.lly, width, height);
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1747:9
[INFO] [stderr]      |
[INFO] [stderr] 1747 |         write!(self.file, "\n");
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1751:9
[INFO] [stderr]      |
[INFO] [stderr] 1751 | /         write!(self.file, "<g transform='matrix({}, {}, {}, {}, {}, {})'>\n",
[INFO] [stderr] 1752 | |                ctm.m11,
[INFO] [stderr] 1753 | |                ctm.m12,
[INFO] [stderr] 1754 | |                ctm.m21,
[INFO] [stderr] ...    |
[INFO] [stderr] 1757 | |                ctm.m32,
[INFO] [stderr] 1758 | |         );
[INFO] [stderr]      | |__________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1761:9
[INFO] [stderr]      |
[INFO] [stderr] 1761 |         write!(self.file, "</g>\n");
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1762:9
[INFO] [stderr]      |
[INFO] [stderr] 1762 |         write!(self.file, "</svg>");
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1770:9
[INFO] [stderr]      |
[INFO] [stderr] 1770 | /         write!(self.file, "<g transform='matrix({}, {}, {}, {}, {}, {})'>",
[INFO] [stderr] 1771 | |                ctm.m11,
[INFO] [stderr] 1772 | |                ctm.m12,
[INFO] [stderr] 1773 | |                ctm.m21,
[INFO] [stderr] ...    |
[INFO] [stderr] 1776 | |                ctm.m32,
[INFO] [stderr] 1777 | |         );
[INFO] [stderr]      | |__________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1803:9
[INFO] [stderr]      |
[INFO] [stderr] 1803 |         write!(self.file, "<path d='{}' />", d.join(" "));
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1804:9
[INFO] [stderr]      |
[INFO] [stderr] 1804 |         write!(self.file, "</g>");
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1805:9
[INFO] [stderr]      |
[INFO] [stderr] 1805 |         write!(self.file, "\n");
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1890:17
[INFO] [stderr]      |
[INFO] [stderr] 1890 |                 write!(self.writer, "\n");
[INFO] [stderr]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1895:17
[INFO] [stderr]      |
[INFO] [stderr] 1895 |                 write!(self.writer, "\n");
[INFO] [stderr]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1900:17
[INFO] [stderr]      |
[INFO] [stderr] 1900 |                 write!(self.writer, " ");
[INFO] [stderr]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/lib.rs:1904:9
[INFO] [stderr]      |
[INFO] [stderr] 1904 |         write!(self.writer, "{}", char);
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/extract.rs:29:25
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let mut output: Box<OutputDev> = match output_kind.as_ref() {
[INFO] [stderr]    |                         ^^^^^^^^^ help: use `dyn`: `dyn OutputDev`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> examples/extract.rs:30:68
[INFO] [stderr]    |
[INFO] [stderr] 30 |         "txt" => Box::new(PlainTextOutput::new(&mut output_file as (&mut std::io::Write))),
[INFO] [stderr]    |                                                                    ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/extract.rs:30:74
[INFO] [stderr]    |
[INFO] [stderr] 30 |         "txt" => Box::new(PlainTextOutput::new(&mut output_file as (&mut std::io::Write))),
[INFO] [stderr]    |                                                                          ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.88s
[INFO] running `"docker" "inspect" "9b661cd0c0bde5244943c8d48ea7671bf7a584973b7bb5dbe17bde9ce22e73a2"`
[INFO] running `"docker" "rm" "-f" "9b661cd0c0bde5244943c8d48ea7671bf7a584973b7bb5dbe17bde9ce22e73a2"`
[INFO] [stdout] 9b661cd0c0bde5244943c8d48ea7671bf7a584973b7bb5dbe17bde9ce22e73a2