[INFO] crate tectonic 0.1.11 is already in cache
[INFO] extracting crate tectonic 0.1.11 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/tectonic/0.1.11
[INFO] extracting crate tectonic 0.1.11 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/tectonic/0.1.11
[INFO] validating manifest of tectonic-0.1.11 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tectonic-0.1.11 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tectonic-0.1.11
[INFO] finished frobbing tectonic-0.1.11
[INFO] frobbed toml for tectonic-0.1.11 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/tectonic/0.1.11/Cargo.toml
[INFO] started frobbing tectonic-0.1.11
[INFO] finished frobbing tectonic-0.1.11
[INFO] frobbed toml for tectonic-0.1.11 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/tectonic/0.1.11/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tectonic-0.1.11 against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-3/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/tectonic/0.1.11:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 382e92ba45431a8ce9722938b81ce0f4ecbbbb150bc1328f288fbbdbeeb46c40
[INFO] running `"docker" "start" "-a" "382e92ba45431a8ce9722938b81ce0f4ecbbbb150bc1328f288fbbdbeeb46c40"`
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking tectonic_xdv v0.1.8
[INFO] [stderr]    Compiling tectonic v0.1.11 (/opt/crater/workdir)
[INFO] [stderr]     Checking zip v0.4.2
[INFO] [stderr]     Checking hyper-native-tls v0.3.0
[INFO] [stderr] warning: tectonic/dpx-truetype.c: In function 'pdf_font_open_truetype':
[INFO] [stderr] warning: tectonic/dpx-truetype.c:126:32: warning: unknown option after '#pragma GCC diagnostic' kind [-Wpragmas]
[INFO] [stderr] warning:  #pragma GCC diagnostic ignored "-Wstringop-overflow"
[INFO] [stderr] warning:                                 ^~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: tectonic/dpx-truetype.c:127:32: warning: unknown option after '#pragma GCC diagnostic' kind [-Wpragmas]
[INFO] [stderr] warning:  #pragma GCC diagnostic ignored "-Wstringop-truncation"
[INFO] [stderr] warning:                                 ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: tectonic/dpx-truetype.c: At top level:
[INFO] [stderr] warning: cc1: warning: unrecognized command line option '-Wno-implicit-fallthrough'
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:93:87
[INFO] [stderr]    |
[INFO] [stderr] 93 |     pub fn make_cached_url_provider(&self, url: &str, only_cached: bool, status: &mut StatusBackend) -> Result<Box<Bundle>> {
[INFO] [stderr]    |                                                                                       ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:93:116
[INFO] [stderr]    |
[INFO] [stderr] 93 |     pub fn make_cached_url_provider(&self, url: &str, only_cached: bool, status: &mut StatusBackend) -> Result<Box<Bundle>> {
[INFO] [stderr]    |                                                                                                                    ^^^^^^ help: use `dyn`: `dyn Bundle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/config.rs:114:23
[INFO] [stderr]     |
[INFO] [stderr] 114 |         _status: &mut StatusBackend,
[INFO] [stderr]     |                       ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/config.rs:115:21
[INFO] [stderr]     |
[INFO] [stderr] 115 |     ) -> Result<Box<Bundle>> {
[INFO] [stderr]     |                     ^^^^^^ help: use `dyn`: `dyn Bundle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/config.rs:124:66
[INFO] [stderr]     |
[INFO] [stderr] 124 |     pub fn default_bundle(&self, only_cached: bool, status: &mut StatusBackend) -> Result<Box<Bundle>> {
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/config.rs:124:95
[INFO] [stderr]     |
[INFO] [stderr] 124 |     pub fn default_bundle(&self, only_cached: bool, status: &mut StatusBackend) -> Result<Box<Bundle>> {
[INFO] [stderr]     |                                                                                               ^^^^^^ help: use `dyn`: `dyn Bundle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/driver.rs:272:24
[INFO] [stderr]     |
[INFO] [stderr] 272 |     bundle: Option<Box<Bundle>>,
[INFO] [stderr]     |                        ^^^^^^ help: use `dyn`: `dyn Bundle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/driver.rs:391:37
[INFO] [stderr]     |
[INFO] [stderr] 391 |     pub fn bundle(&mut self, b: Box<Bundle>) -> &mut Self {
[INFO] [stderr]     |                                     ^^^^^^ help: use `dyn`: `dyn Bundle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/driver.rs:415:38
[INFO] [stderr]     |
[INFO] [stderr] 415 |     pub fn create(self, status: &mut StatusBackend) -> Result<ProcessingSession> {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `ToString` is imported redundantly
[INFO] [stderr]    --> src/driver.rs:592:21
[INFO] [stderr]     |
[INFO] [stderr] 592 |                 use std::string::ToString;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/engines/bibtex.rs:24:34
[INFO] [stderr]    |
[INFO] [stderr] 24 |                     events: &mut IoEventBackend,
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn IoEventBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/engines/bibtex.rs:25:34
[INFO] [stderr]    |
[INFO] [stderr] 25 |                     status: &mut StatusBackend, aux: &str) -> Result<TexResult> {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/engines/spx2html.rs:27:62
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn process(&mut self, io: &mut IoStack, events: &mut IoEventBackend,
[INFO] [stderr]    |                                                              ^^^^^^^^^^^^^^ help: use `dyn`: `dyn IoEventBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/engines/spx2html.rs:28:33
[INFO] [stderr]    |
[INFO] [stderr] 28 |                    status: &mut StatusBackend, spx: &str) -> Result<()> {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/engines/spx2html.rs:62:21
[INFO] [stderr]    |
[INFO] [stderr] 62 |     events: &'a mut IoEventBackend,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^ help: use `dyn`: `dyn IoEventBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/engines/spx2html.rs:63:21
[INFO] [stderr]    |
[INFO] [stderr] 63 |     status: &'a mut StatusBackend,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/engines/spx2html.rs:71:32
[INFO] [stderr]    |
[INFO] [stderr] 71 |                events: &'a mut IoEventBackend, status: &'a mut StatusBackend) -> Self {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^ help: use `dyn`: `dyn IoEventBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/engines/spx2html.rs:71:64
[INFO] [stderr]    |
[INFO] [stderr] 71 |                events: &'a mut IoEventBackend, status: &'a mut StatusBackend) -> Self {
[INFO] [stderr]    |                                                                ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/engines/tex.rs:97:34
[INFO] [stderr]    |
[INFO] [stderr] 97 |                     events: &mut IoEventBackend,
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn IoEventBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/engines/tex.rs:98:34
[INFO] [stderr]    |
[INFO] [stderr] 98 |                     status: &mut StatusBackend,
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/engines/xdvipdfmx.rs:38:34
[INFO] [stderr]    |
[INFO] [stderr] 38 |                     events: &mut IoEventBackend,
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn IoEventBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/engines/xdvipdfmx.rs:39:34
[INFO] [stderr]    |
[INFO] [stderr] 39 |                     status: &mut StatusBackend, dvi: &str, pdf: &str) -> Result<i32> {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/engines/mod.rs:127:21
[INFO] [stderr]     |
[INFO] [stderr] 127 |     events: &'a mut IoEventBackend,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^ help: use `dyn`: `dyn IoEventBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/engines/mod.rs:128:21
[INFO] [stderr]     |
[INFO] [stderr] 128 |     status: &'a mut StatusBackend,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/engines/mod.rs:135:48
[INFO] [stderr]     |
[INFO] [stderr] 135 |     pub fn new (io: &'a mut I, events: &'a mut IoEventBackend,
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^ help: use `dyn`: `dyn IoEventBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/engines/mod.rs:136:33
[INFO] [stderr]     |
[INFO] [stderr] 136 |                 status: &'a mut StatusBackend) -> ExecutionState<'a, I> {
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/filesystem.rs:41:52
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn input_open_primary(&mut self, _status: &mut StatusBackend) -> OpenResult<InputHandle> {
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/filesystem.rs:115:63
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn input_open_name(&mut self, name: &OsStr, _status: &mut StatusBackend) -> OpenResult<InputHandle> {
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/format_cache.rs:65:65
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn input_open_format(&mut self, name: &OsStr, _status: &mut StatusBackend) -> OpenResult<InputHandle> {
[INFO] [stderr]    |                                                                 ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/format_cache.rs:81:71
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn write_format(&mut self, name: &str, data: &[u8], _status: &mut StatusBackend) -> Result<()> {
[INFO] [stderr]    |                                                                       ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/itarbundle.rs:80:42
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn get_index(&mut self, status: &mut StatusBackend) -> Result<Self::IndexReader>;
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/itarbundle.rs:82:55
[INFO] [stderr]    |
[INFO] [stderr] 82 |     fn report_fetch(&self, name: &OsStr, status: &mut StatusBackend);
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/itarbundle.rs:106:46
[INFO] [stderr]     |
[INFO] [stderr] 106 |     fn ensure_loaded(&mut self, status: &mut StatusBackend) -> Result<()> {
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/itarbundle.rs:139:62
[INFO] [stderr]     |
[INFO] [stderr] 139 |     fn input_open_name(&mut self, name: &OsStr, status: &mut StatusBackend) -> OpenResult<InputHandle> {
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/itarbundle.rs:212:42
[INFO] [stderr]     |
[INFO] [stderr] 212 |     fn get_index(&mut self, status: &mut StatusBackend) -> Result<GzDecoder<Response>> {
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/itarbundle.rs:274:55
[INFO] [stderr]     |
[INFO] [stderr] 274 |     fn report_fetch(&self, name: &OsStr, status: &mut StatusBackend) {
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/local_cache.rs:41:54
[INFO] [stderr]    |
[INFO] [stderr] 41 |         data: &Path, only_cached: bool, status: &mut StatusBackend
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/local_cache.rs:185:45
[INFO] [stderr]     |
[INFO] [stderr] 185 |     fn check_digest(&mut self, status: &mut StatusBackend) -> Result<()> {
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/local_cache.rs:224:60
[INFO] [stderr]     |
[INFO] [stderr] 224 |     fn path_for_name(&mut self, name: &OsStr, status: &mut StatusBackend) -> OpenResult<PathBuf> {
[INFO] [stderr]     |                                                            ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/local_cache.rs:346:62
[INFO] [stderr]     |
[INFO] [stderr] 346 |     fn input_open_name(&mut self, name: &OsStr, status: &mut StatusBackend) -> OpenResult<InputHandle> {
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/local_cache.rs:364:44
[INFO] [stderr]     |
[INFO] [stderr] 364 |     fn get_digest(&mut self, _status: &mut StatusBackend) -> Result<DigestData> {
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/memory.rs:136:63
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn input_open_name(&mut self, name: &OsStr, _status: &mut StatusBackend) -> OpenResult<InputHandle> {
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/setup.rs:23:24
[INFO] [stderr]    |
[INFO] [stderr] 23 |     primary_input: Box<IoProvider>,
[INFO] [stderr]    |                        ^^^^^^^^^^ help: use `dyn`: `dyn IoProvider`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/setup.rs:24:28
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub bundle: Option<Box<Bundle>>,
[INFO] [stderr]    |                            ^^^^^^ help: use `dyn`: `dyn Bundle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/setup.rs:34:37
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let mut providers: Vec<&mut IoProvider> = Vec::new();
[INFO] [stderr]    |                                     ^^^^^^^^^^ help: use `dyn`: `dyn IoProvider`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/setup.rs:68:37
[INFO] [stderr]    |
[INFO] [stderr] 68 |         let mut providers: Vec<&mut IoProvider> = Vec::new();
[INFO] [stderr]    |                                     ^^^^^^^^^^ help: use `dyn`: `dyn IoProvider`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/setup.rs:115:24
[INFO] [stderr]     |
[INFO] [stderr] 115 |     bundle: Option<Box<Bundle>>,
[INFO] [stderr]     |                        ^^^^^^ help: use `dyn`: `dyn Bundle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/setup.rs:212:42
[INFO] [stderr]     |
[INFO] [stderr] 212 |     pub fn create(mut self, status: &mut StatusBackend) -> Result<IoSetup> {
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/setup.rs:221:22
[INFO] [stderr]     |
[INFO] [stderr] 221 |         let pio: Box<IoProvider> = match self.primary_input {
[INFO] [stderr]     |                      ^^^^^^^^^^ help: use `dyn`: `dyn IoProvider`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/stack.rs:17:24
[INFO] [stderr]    |
[INFO] [stderr] 17 |     items: Vec<&'a mut IoProvider>,
[INFO] [stderr]    |                        ^^^^^^^^^^ help: use `dyn`: `dyn IoProvider`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/stack.rs:22:35
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn new(items: Vec<&'a mut IoProvider>) -> IoStack<'a> {
[INFO] [stderr]    |                                   ^^^^^^^^^^ help: use `dyn`: `dyn IoProvider`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/stack.rs:57:62
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn input_open_name(&mut self, name: &OsStr, status: &mut StatusBackend) -> OpenResult<InputHandle> {
[INFO] [stderr]    |                                                              ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/stack.rs:70:51
[INFO] [stderr]    |
[INFO] [stderr] 70 |     fn input_open_primary(&mut self, status: &mut StatusBackend) -> OpenResult<InputHandle> {
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/stack.rs:83:64
[INFO] [stderr]    |
[INFO] [stderr] 83 |     fn input_open_format(&mut self, name: &OsStr, status: &mut StatusBackend) -> OpenResult<InputHandle> {
[INFO] [stderr]    |                                                                ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/stdstreams.rs:138:52
[INFO] [stderr]     |
[INFO] [stderr] 138 |     fn input_open_primary(&mut self, _status: &mut StatusBackend) -> OpenResult<InputHandle> {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/zipbundle.rs:39:63
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn input_open_name(&mut self, name: &OsStr, _status: &mut StatusBackend) -> OpenResult<InputHandle> {
[INFO] [stderr]    |                                                               ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/mod.rs:85:16
[INFO] [stderr]    |
[INFO] [stderr] 85 |     inner: Box<InputFeatures>,
[INFO] [stderr]    |                ^^^^^^^^^^^^^ help: use `dyn`: `dyn InputFeatures`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/mod.rs:117:36
[INFO] [stderr]     |
[INFO] [stderr] 117 |     pub fn into_inner(self) -> Box<InputFeatures> {
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^ help: use `dyn`: `dyn InputFeatures`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/mod.rs:217:16
[INFO] [stderr]     |
[INFO] [stderr] 217 |     inner: Box<Write>,
[INFO] [stderr]     |                ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/mod.rs:237:36
[INFO] [stderr]     |
[INFO] [stderr] 237 |     pub fn into_inner(self) -> Box<Write> {
[INFO] [stderr]     |                                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `io` is imported redundantly
[INFO] [stderr]    --> src/io/mod.rs:294:13
[INFO] [stderr]     |
[INFO] [stderr] 14  | use std::io::{self, Cursor, Read, Seek, SeekFrom, Write};
[INFO] [stderr]     |               ---- the item `io` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 294 |         use std::io;
[INFO] [stderr]     |             ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/mod.rs:314:45
[INFO] [stderr]     |
[INFO] [stderr] 314 |     fn as_ioprovider_mut(&mut self) -> &mut IoProvider;
[INFO] [stderr]     |                                             ^^^^^^^^^^ help: use `dyn`: `dyn IoProvider`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/mod.rs:318:45
[INFO] [stderr]     |
[INFO] [stderr] 318 |     fn as_ioprovider_mut(&mut self) -> &mut IoProvider {
[INFO] [stderr]     |                                             ^^^^^^^^^^ help: use `dyn`: `dyn IoProvider`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/mod.rs:333:64
[INFO] [stderr]     |
[INFO] [stderr] 333 |     fn input_open_name(&mut self, _name: &OsStr, _status: &mut StatusBackend) -> OpenResult<InputHandle> {
[INFO] [stderr]     |                                                                ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/mod.rs:342:52
[INFO] [stderr]     |
[INFO] [stderr] 342 |     fn input_open_primary(&mut self, _status: &mut StatusBackend) -> OpenResult<InputHandle> {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/mod.rs:351:64
[INFO] [stderr]     |
[INFO] [stderr] 351 |     fn input_open_format(&mut self, name: &OsStr, status: &mut StatusBackend) -> OpenResult<InputHandle> {
[INFO] [stderr]     |                                                                ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/mod.rs:358:73
[INFO] [stderr]     |
[INFO] [stderr] 358 |     fn write_format(&mut self, _name: &str, _data: &[u8], _status: &mut StatusBackend) -> Result<()> {
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/mod.rs:372:62
[INFO] [stderr]     |
[INFO] [stderr] 372 |     fn input_open_name(&mut self, name: &OsStr, status: &mut StatusBackend) -> OpenResult<InputHandle> {
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/mod.rs:376:51
[INFO] [stderr]     |
[INFO] [stderr] 376 |     fn input_open_primary(&mut self, status: &mut StatusBackend) -> OpenResult<InputHandle> {
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/mod.rs:380:64
[INFO] [stderr]     |
[INFO] [stderr] 380 |     fn input_open_format(&mut self, name: &OsStr, status: &mut StatusBackend) -> OpenResult<InputHandle> {
[INFO] [stderr]     |                                                                ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/mod.rs:384:70
[INFO] [stderr]     |
[INFO] [stderr] 384 |     fn write_format(&mut self, name: &str, data: &[u8], status: &mut StatusBackend) -> Result<()> {
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/mod.rs:409:43
[INFO] [stderr]     |
[INFO] [stderr] 409 |     fn get_digest(&mut self, status: &mut StatusBackend) -> Result<DigestData> {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/mod.rs:432:43
[INFO] [stderr]     |
[INFO] [stderr] 432 |     fn get_digest(&mut self, status: &mut StatusBackend) -> Result<DigestData> {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/mod.rs:604:67
[INFO] [stderr]     |
[INFO] [stderr] 604 |         fn input_open_name(&mut self, name: &OsStr, _status: &mut StatusBackend) -> OpenResult<InputHandle> {
[INFO] [stderr]     |                                                                   ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/test_util.rs:120:62
[INFO] [stderr]     |
[INFO] [stderr] 120 |     fn input_open_name(&mut self, name: &OsStr, status: &mut StatusBackend) -> OpenResult<InputHandle> {
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/test_util.rs:126:44
[INFO] [stderr]     |
[INFO] [stderr] 126 |     fn get_digest(&mut self, _status: &mut StatusBackend) -> Result<DigestData> {
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:93:87
[INFO] [stderr]    |
[INFO] [stderr] 93 |     pub fn make_cached_url_provider(&self, url: &str, only_cached: bool, status: &mut StatusBackend) -> Result<Box<Bundle>> {
[INFO] [stderr]    |                                                                                       ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:93:116
[INFO] [stderr]    |
[INFO] [stderr] 93 |     pub fn make_cached_url_provider(&self, url: &str, only_cached: bool, status: &mut StatusBackend) -> Result<Box<Bundle>> {
[INFO] [stderr]    |                                                                                                                    ^^^^^^ help: use `dyn`: `dyn Bundle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/config.rs:114:23
[INFO] [stderr]     |
[INFO] [stderr] 114 |         _status: &mut StatusBackend,
[INFO] [stderr]     |                       ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/config.rs:115:21
[INFO] [stderr]     |
[INFO] [stderr] 115 |     ) -> Result<Box<Bundle>> {
[INFO] [stderr]     |                     ^^^^^^ help: use `dyn`: `dyn Bundle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/config.rs:124:66
[INFO] [stderr]     |
[INFO] [stderr] 124 |     pub fn default_bundle(&self, only_cached: bool, status: &mut StatusBackend) -> Result<Box<Bundle>> {
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/config.rs:124:95
[INFO] [stderr]     |
[INFO] [stderr] 124 |     pub fn default_bundle(&self, only_cached: bool, status: &mut StatusBackend) -> Result<Box<Bundle>> {
[INFO] [stderr]     |                                                                                               ^^^^^^ help: use `dyn`: `dyn Bundle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/driver.rs:272:24
[INFO] [stderr]     |
[INFO] [stderr] 272 |     bundle: Option<Box<Bundle>>,
[INFO] [stderr]     |                        ^^^^^^ help: use `dyn`: `dyn Bundle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/driver.rs:391:37
[INFO] [stderr]     |
[INFO] [stderr] 391 |     pub fn bundle(&mut self, b: Box<Bundle>) -> &mut Self {
[INFO] [stderr]     |                                     ^^^^^^ help: use `dyn`: `dyn Bundle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/driver.rs:415:38
[INFO] [stderr]     |
[INFO] [stderr] 415 |     pub fn create(self, status: &mut StatusBackend) -> Result<ProcessingSession> {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `ToString` is imported redundantly
[INFO] [stderr]    --> src/driver.rs:592:21
[INFO] [stderr]     |
[INFO] [stderr] 592 |                 use std::string::ToString;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/engines/bibtex.rs:24:34
[INFO] [stderr]    |
[INFO] [stderr] 24 |                     events: &mut IoEventBackend,
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn IoEventBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/engines/bibtex.rs:25:34
[INFO] [stderr]    |
[INFO] [stderr] 25 |                     status: &mut StatusBackend, aux: &str) -> Result<TexResult> {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/engines/spx2html.rs:27:62
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn process(&mut self, io: &mut IoStack, events: &mut IoEventBackend,
[INFO] [stderr]    |                                                              ^^^^^^^^^^^^^^ help: use `dyn`: `dyn IoEventBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/engines/spx2html.rs:28:33
[INFO] [stderr]    |
[INFO] [stderr] 28 |                    status: &mut StatusBackend, spx: &str) -> Result<()> {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/engines/spx2html.rs:62:21
[INFO] [stderr]    |
[INFO] [stderr] 62 |     events: &'a mut IoEventBackend,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^ help: use `dyn`: `dyn IoEventBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/engines/spx2html.rs:63:21
[INFO] [stderr]    |
[INFO] [stderr] 63 |     status: &'a mut StatusBackend,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/engines/spx2html.rs:71:32
[INFO] [stderr]    |
[INFO] [stderr] 71 |                events: &'a mut IoEventBackend, status: &'a mut StatusBackend) -> Self {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^ help: use `dyn`: `dyn IoEventBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/engines/spx2html.rs:71:64
[INFO] [stderr]    |
[INFO] [stderr] 71 |                events: &'a mut IoEventBackend, status: &'a mut StatusBackend) -> Self {
[INFO] [stderr]    |                                                                ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/engines/tex.rs:97:34
[INFO] [stderr]    |
[INFO] [stderr] 97 |                     events: &mut IoEventBackend,
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn IoEventBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/engines/tex.rs:98:34
[INFO] [stderr]    |
[INFO] [stderr] 98 |                     status: &mut StatusBackend,
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/engines/xdvipdfmx.rs:38:34
[INFO] [stderr]    |
[INFO] [stderr] 38 |                     events: &mut IoEventBackend,
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn IoEventBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/engines/xdvipdfmx.rs:39:34
[INFO] [stderr]    |
[INFO] [stderr] 39 |                     status: &mut StatusBackend, dvi: &str, pdf: &str) -> Result<i32> {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/engines/mod.rs:127:21
[INFO] [stderr]     |
[INFO] [stderr] 127 |     events: &'a mut IoEventBackend,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^ help: use `dyn`: `dyn IoEventBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/engines/mod.rs:128:21
[INFO] [stderr]     |
[INFO] [stderr] 128 |     status: &'a mut StatusBackend,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/engines/mod.rs:135:48
[INFO] [stderr]     |
[INFO] [stderr] 135 |     pub fn new (io: &'a mut I, events: &'a mut IoEventBackend,
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^ help: use `dyn`: `dyn IoEventBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/engines/mod.rs:136:33
[INFO] [stderr]     |
[INFO] [stderr] 136 |                 status: &'a mut StatusBackend) -> ExecutionState<'a, I> {
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/filesystem.rs:41:52
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn input_open_primary(&mut self, _status: &mut StatusBackend) -> OpenResult<InputHandle> {
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/filesystem.rs:115:63
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn input_open_name(&mut self, name: &OsStr, _status: &mut StatusBackend) -> OpenResult<InputHandle> {
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/format_cache.rs:65:65
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn input_open_format(&mut self, name: &OsStr, _status: &mut StatusBackend) -> OpenResult<InputHandle> {
[INFO] [stderr]    |                                                                 ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/format_cache.rs:81:71
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn write_format(&mut self, name: &str, data: &[u8], _status: &mut StatusBackend) -> Result<()> {
[INFO] [stderr]    |                                                                       ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/itarbundle.rs:80:42
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn get_index(&mut self, status: &mut StatusBackend) -> Result<Self::IndexReader>;
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/itarbundle.rs:82:55
[INFO] [stderr]    |
[INFO] [stderr] 82 |     fn report_fetch(&self, name: &OsStr, status: &mut StatusBackend);
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/itarbundle.rs:106:46
[INFO] [stderr]     |
[INFO] [stderr] 106 |     fn ensure_loaded(&mut self, status: &mut StatusBackend) -> Result<()> {
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/itarbundle.rs:139:62
[INFO] [stderr]     |
[INFO] [stderr] 139 |     fn input_open_name(&mut self, name: &OsStr, status: &mut StatusBackend) -> OpenResult<InputHandle> {
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/itarbundle.rs:212:42
[INFO] [stderr]     |
[INFO] [stderr] 212 |     fn get_index(&mut self, status: &mut StatusBackend) -> Result<GzDecoder<Response>> {
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/itarbundle.rs:274:55
[INFO] [stderr]     |
[INFO] [stderr] 274 |     fn report_fetch(&self, name: &OsStr, status: &mut StatusBackend) {
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/local_cache.rs:41:54
[INFO] [stderr]    |
[INFO] [stderr] 41 |         data: &Path, only_cached: bool, status: &mut StatusBackend
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/local_cache.rs:185:45
[INFO] [stderr]     |
[INFO] [stderr] 185 |     fn check_digest(&mut self, status: &mut StatusBackend) -> Result<()> {
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/local_cache.rs:224:60
[INFO] [stderr]     |
[INFO] [stderr] 224 |     fn path_for_name(&mut self, name: &OsStr, status: &mut StatusBackend) -> OpenResult<PathBuf> {
[INFO] [stderr]     |                                                            ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/local_cache.rs:346:62
[INFO] [stderr]     |
[INFO] [stderr] 346 |     fn input_open_name(&mut self, name: &OsStr, status: &mut StatusBackend) -> OpenResult<InputHandle> {
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/local_cache.rs:364:44
[INFO] [stderr]     |
[INFO] [stderr] 364 |     fn get_digest(&mut self, _status: &mut StatusBackend) -> Result<DigestData> {
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/memory.rs:136:63
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn input_open_name(&mut self, name: &OsStr, _status: &mut StatusBackend) -> OpenResult<InputHandle> {
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/setup.rs:23:24
[INFO] [stderr]    |
[INFO] [stderr] 23 |     primary_input: Box<IoProvider>,
[INFO] [stderr]    |                        ^^^^^^^^^^ help: use `dyn`: `dyn IoProvider`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/setup.rs:24:28
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub bundle: Option<Box<Bundle>>,
[INFO] [stderr]    |                            ^^^^^^ help: use `dyn`: `dyn Bundle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/setup.rs:34:37
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let mut providers: Vec<&mut IoProvider> = Vec::new();
[INFO] [stderr]    |                                     ^^^^^^^^^^ help: use `dyn`: `dyn IoProvider`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/setup.rs:68:37
[INFO] [stderr]    |
[INFO] [stderr] 68 |         let mut providers: Vec<&mut IoProvider> = Vec::new();
[INFO] [stderr]    |                                     ^^^^^^^^^^ help: use `dyn`: `dyn IoProvider`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/setup.rs:115:24
[INFO] [stderr]     |
[INFO] [stderr] 115 |     bundle: Option<Box<Bundle>>,
[INFO] [stderr]     |                        ^^^^^^ help: use `dyn`: `dyn Bundle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/setup.rs:212:42
[INFO] [stderr]     |
[INFO] [stderr] 212 |     pub fn create(mut self, status: &mut StatusBackend) -> Result<IoSetup> {
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/setup.rs:221:22
[INFO] [stderr]     |
[INFO] [stderr] 221 |         let pio: Box<IoProvider> = match self.primary_input {
[INFO] [stderr]     |                      ^^^^^^^^^^ help: use `dyn`: `dyn IoProvider`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/stack.rs:17:24
[INFO] [stderr]    |
[INFO] [stderr] 17 |     items: Vec<&'a mut IoProvider>,
[INFO] [stderr]    |                        ^^^^^^^^^^ help: use `dyn`: `dyn IoProvider`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/stack.rs:22:35
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn new(items: Vec<&'a mut IoProvider>) -> IoStack<'a> {
[INFO] [stderr]    |                                   ^^^^^^^^^^ help: use `dyn`: `dyn IoProvider`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/stack.rs:57:62
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn input_open_name(&mut self, name: &OsStr, status: &mut StatusBackend) -> OpenResult<InputHandle> {
[INFO] [stderr]    |                                                              ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/stack.rs:70:51
[INFO] [stderr]    |
[INFO] [stderr] 70 |     fn input_open_primary(&mut self, status: &mut StatusBackend) -> OpenResult<InputHandle> {
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/stack.rs:83:64
[INFO] [stderr]    |
[INFO] [stderr] 83 |     fn input_open_format(&mut self, name: &OsStr, status: &mut StatusBackend) -> OpenResult<InputHandle> {
[INFO] [stderr]    |                                                                ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/stdstreams.rs:138:52
[INFO] [stderr]     |
[INFO] [stderr] 138 |     fn input_open_primary(&mut self, _status: &mut StatusBackend) -> OpenResult<InputHandle> {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/zipbundle.rs:39:63
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn input_open_name(&mut self, name: &OsStr, _status: &mut StatusBackend) -> OpenResult<InputHandle> {
[INFO] [stderr]    |                                                               ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/mod.rs:85:16
[INFO] [stderr]    |
[INFO] [stderr] 85 |     inner: Box<InputFeatures>,
[INFO] [stderr]    |                ^^^^^^^^^^^^^ help: use `dyn`: `dyn InputFeatures`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/mod.rs:117:36
[INFO] [stderr]     |
[INFO] [stderr] 117 |     pub fn into_inner(self) -> Box<InputFeatures> {
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^ help: use `dyn`: `dyn InputFeatures`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/mod.rs:217:16
[INFO] [stderr]     |
[INFO] [stderr] 217 |     inner: Box<Write>,
[INFO] [stderr]     |                ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/mod.rs:237:36
[INFO] [stderr]     |
[INFO] [stderr] 237 |     pub fn into_inner(self) -> Box<Write> {
[INFO] [stderr]     |                                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `io` is imported redundantly
[INFO] [stderr]    --> src/io/mod.rs:294:13
[INFO] [stderr]     |
[INFO] [stderr] 14  | use std::io::{self, Cursor, Read, Seek, SeekFrom, Write};
[INFO] [stderr]     |               ---- the item `io` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 294 |         use std::io;
[INFO] [stderr]     |             ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/mod.rs:314:45
[INFO] [stderr]     |
[INFO] [stderr] 314 |     fn as_ioprovider_mut(&mut self) -> &mut IoProvider;
[INFO] [stderr]     |                                             ^^^^^^^^^^ help: use `dyn`: `dyn IoProvider`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/mod.rs:318:45
[INFO] [stderr]     |
[INFO] [stderr] 318 |     fn as_ioprovider_mut(&mut self) -> &mut IoProvider {
[INFO] [stderr]     |                                             ^^^^^^^^^^ help: use `dyn`: `dyn IoProvider`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/mod.rs:333:64
[INFO] [stderr]     |
[INFO] [stderr] 333 |     fn input_open_name(&mut self, _name: &OsStr, _status: &mut StatusBackend) -> OpenResult<InputHandle> {
[INFO] [stderr]     |                                                                ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/mod.rs:342:52
[INFO] [stderr]     |
[INFO] [stderr] 342 |     fn input_open_primary(&mut self, _status: &mut StatusBackend) -> OpenResult<InputHandle> {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/mod.rs:351:64
[INFO] [stderr]     |
[INFO] [stderr] 351 |     fn input_open_format(&mut self, name: &OsStr, status: &mut StatusBackend) -> OpenResult<InputHandle> {
[INFO] [stderr]     |                                                                ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/mod.rs:358:73
[INFO] [stderr]     |
[INFO] [stderr] 358 |     fn write_format(&mut self, _name: &str, _data: &[u8], _status: &mut StatusBackend) -> Result<()> {
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/mod.rs:372:62
[INFO] [stderr]     |
[INFO] [stderr] 372 |     fn input_open_name(&mut self, name: &OsStr, status: &mut StatusBackend) -> OpenResult<InputHandle> {
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/mod.rs:376:51
[INFO] [stderr]     |
[INFO] [stderr] 376 |     fn input_open_primary(&mut self, status: &mut StatusBackend) -> OpenResult<InputHandle> {
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/mod.rs:380:64
[INFO] [stderr]     |
[INFO] [stderr] 380 |     fn input_open_format(&mut self, name: &OsStr, status: &mut StatusBackend) -> OpenResult<InputHandle> {
[INFO] [stderr]     |                                                                ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/mod.rs:384:70
[INFO] [stderr]     |
[INFO] [stderr] 384 |     fn write_format(&mut self, name: &str, data: &[u8], status: &mut StatusBackend) -> Result<()> {
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/mod.rs:409:43
[INFO] [stderr]     |
[INFO] [stderr] 409 |     fn get_digest(&mut self, status: &mut StatusBackend) -> Result<DigestData> {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/mod.rs:432:43
[INFO] [stderr]     |
[INFO] [stderr] 432 |     fn get_digest(&mut self, status: &mut StatusBackend) -> Result<DigestData> {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io/mod.rs:604:67
[INFO] [stderr]     |
[INFO] [stderr] 604 |         fn input_open_name(&mut self, name: &OsStr, _status: &mut StatusBackend) -> OpenResult<InputHandle> {
[INFO] [stderr]     |                                                                   ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/test_util.rs:120:62
[INFO] [stderr]     |
[INFO] [stderr] 120 |     fn input_open_name(&mut self, name: &OsStr, status: &mut StatusBackend) -> OpenResult<InputHandle> {
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/test_util.rs:126:44
[INFO] [stderr]     |
[INFO] [stderr] 126 |     fn get_digest(&mut self, _status: &mut StatusBackend) -> Result<DigestData> {
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^ help: use `dyn`: `dyn StatusBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/trip.rs:59:30
[INFO] [stderr]    |
[INFO] [stderr] 59 |             &mut mem as &mut IoProvider,
[INFO] [stderr]    |                              ^^^^^^^^^^ help: use `dyn`: `dyn IoProvider`
[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]   --> tests/trip.rs:73:30
[INFO] [stderr]    |
[INFO] [stderr] 73 |             &mut mem as &mut IoProvider,
[INFO] [stderr]    |                              ^^^^^^^^^^ help: use `dyn`: `dyn IoProvider`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/trip.rs:121:30
[INFO] [stderr]     |
[INFO] [stderr] 121 |             &mut mem as &mut IoProvider,
[INFO] [stderr]     |                              ^^^^^^^^^^ help: use `dyn`: `dyn IoProvider`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/tex-outputs.rs:27:23
[INFO] [stderr]    |
[INFO] [stderr] 27 |     extra_io: Vec<Box<IoProvider>>,
[INFO] [stderr]    |                       ^^^^^^^^^^ help: use `dyn`: `dyn IoProvider`
[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]    --> tests/tex-outputs.rs:107:39
[INFO] [stderr]     |
[INFO] [stderr] 107 |             let mut io_list: Vec<&mut IoProvider> = vec![&mut mem, &mut tex, &mut fmt, &mut assets];
[INFO] [stderr]     |                                       ^^^^^^^^^^ help: use `dyn`: `dyn IoProvider`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.86s
[INFO] running `"docker" "inspect" "382e92ba45431a8ce9722938b81ce0f4ecbbbb150bc1328f288fbbdbeeb46c40"`
[INFO] running `"docker" "rm" "-f" "382e92ba45431a8ce9722938b81ce0f4ecbbbb150bc1328f288fbbdbeeb46c40"`
[INFO] [stdout] 382e92ba45431a8ce9722938b81ce0f4ecbbbb150bc1328f288fbbdbeeb46c40