[INFO] crate mdbook 0.2.3 is already in cache
[INFO] extracting crate mdbook 0.2.3 into work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/mdbook/0.2.3
[INFO] extracting crate mdbook 0.2.3 into work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/mdbook/0.2.3
[INFO] validating manifest of mdbook-0.2.3 on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mdbook-0.2.3 on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mdbook-0.2.3
[INFO] finished frobbing mdbook-0.2.3
[INFO] frobbed toml for mdbook-0.2.3 written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/mdbook/0.2.3/Cargo.toml
[INFO] started frobbing mdbook-0.2.3
[INFO] finished frobbing mdbook-0.2.3
[INFO] frobbed toml for mdbook-0.2.3 written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/mdbook/0.2.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mdbook-0.2.3 against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-5/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/mdbook/0.2.3:/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 825627f7240d88e79d9ba64067090b5ae0eab2f210d9bb7ccd795a16e5e25fe7
[INFO] running `"docker" "start" "-a" "825627f7240d88e79d9ba64067090b5ae0eab2f210d9bb7ccd795a16e5e25fe7"`
[INFO] [stderr]     Checking is-match v0.1.0
[INFO] [stderr]     Checking pulldown-cmark-to-cmark v1.2.0
[INFO] [stderr]    Compiling strum_macros v0.15.0
[INFO] [stderr]    Compiling markup5ever v0.7.5
[INFO] [stderr]     Checking handlebars v1.1.0
[INFO] [stderr]     Checking string_cache v0.6.2
[INFO] [stderr]     Checking toml-query v0.7.0
[INFO] [stderr]     Checking markup5ever v0.3.2
[INFO] [stderr]     Checking html5ever v0.18.0
[INFO] [stderr]     Checking elasticlunr-rs v2.3.5
[INFO] [stderr]     Checking html5ever v0.22.5
[INFO] [stderr]     Checking select v0.4.2
[INFO] [stderr]     Checking ammonia v1.2.0
[INFO] [stderr]     Checking mdbook v0.2.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/book/mod.rs:39:24
[INFO] [stderr]    |
[INFO] [stderr] 39 |     renderers: Vec<Box<Renderer>>,
[INFO] [stderr]    |                        ^^^^^^^^ help: use `dyn`: `dyn Renderer`
[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/book/mod.rs:42:28
[INFO] [stderr]    |
[INFO] [stderr] 42 |     preprocessors: Vec<Box<Preprocessor>>,
[INFO] [stderr]    |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn Preprocessor`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/book/mod.rs:162:48
[INFO] [stderr]     |
[INFO] [stderr] 162 |     fn execute_build_process(&self, renderer: &Renderer) -> Result<()> {
[INFO] [stderr]     |                                                ^^^^^^^^ help: use `dyn`: `dyn Renderer`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/book/mod.rs:183:59
[INFO] [stderr]     |
[INFO] [stderr] 183 |     fn render(&self, preprocessed_book: &Book, renderer: &Renderer) -> Result<()> {
[INFO] [stderr]     |                                                           ^^^^^^^^ help: use `dyn`: `dyn Renderer`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/book/mod.rs:320:52
[INFO] [stderr]     |
[INFO] [stderr] 320 | fn determine_renderers(config: &Config) -> Vec<Box<Renderer>> {
[INFO] [stderr]     |                                                    ^^^^^^^^ help: use `dyn`: `dyn Renderer`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/book/mod.rs:321:32
[INFO] [stderr]     |
[INFO] [stderr] 321 |     let mut renderers: Vec<Box<Renderer>> = Vec::new();
[INFO] [stderr]     |                                ^^^^^^^^ help: use `dyn`: `dyn Renderer`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/book/mod.rs:343:39
[INFO] [stderr]     |
[INFO] [stderr] 343 | fn default_preprocessors() -> Vec<Box<Preprocessor>> {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn Preprocessor`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/book/mod.rs:350:34
[INFO] [stderr]     |
[INFO] [stderr] 350 | fn is_default_preprocessor(pre: &Preprocessor) -> bool {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^ help: use `dyn`: `dyn Preprocessor`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/book/mod.rs:356:63
[INFO] [stderr]     |
[INFO] [stderr] 356 | fn determine_preprocessors(config: &Config) -> Result<Vec<Box<Preprocessor>>> {
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^ help: use `dyn`: `dyn Preprocessor`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/book/mod.rs:408:43
[INFO] [stderr]     |
[INFO] [stderr] 408 | fn preprocessor_should_run(preprocessor: &Preprocessor, renderer: &Renderer, cfg: &Config) -> bool {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^ help: use `dyn`: `dyn Preprocessor`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/book/mod.rs:408:68
[INFO] [stderr]     |
[INFO] [stderr] 408 | fn preprocessor_should_run(preprocessor: &Preprocessor, renderer: &Renderer, cfg: &Config) -> bool {
[INFO] [stderr]     |                                                                    ^^^^^^^^ help: use `dyn`: `dyn Renderer`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/renderer/html_handlebars/helpers/navigation.rs:93:15
[INFO] [stderr]    |
[INFO] [stderr] 93 |     out: &mut Output,
[INFO] [stderr]    |               ^^^^^^ help: use `dyn`: `dyn Output`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/renderer/html_handlebars/helpers/navigation.rs:144:15
[INFO] [stderr]     |
[INFO] [stderr] 144 |     out: &mut Output,
[INFO] [stderr]     |               ^^^^^^ help: use `dyn`: `dyn Output`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/renderer/html_handlebars/helpers/navigation.rs:160:15
[INFO] [stderr]     |
[INFO] [stderr] 160 |     out: &mut Output,
[INFO] [stderr]     |               ^^^^^^ help: use `dyn`: `dyn Output`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/renderer/html_handlebars/helpers/theme.rs:8:15
[INFO] [stderr]   |
[INFO] [stderr] 8 |     out: &mut Output,
[INFO] [stderr]   |               ^^^^^^ help: use `dyn`: `dyn Output`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/renderer/html_handlebars/helpers/toc.rs:23:19
[INFO] [stderr]    |
[INFO] [stderr] 23 |         out: &mut Output,
[INFO] [stderr]    |                   ^^^^^^ help: use `dyn`: `dyn Output`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/book/mod.rs:39:24
[INFO] [stderr]    |
[INFO] [stderr] 39 |     renderers: Vec<Box<Renderer>>,
[INFO] [stderr]    |                        ^^^^^^^^ help: use `dyn`: `dyn Renderer`
[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/book/mod.rs:42:28
[INFO] [stderr]    |
[INFO] [stderr] 42 |     preprocessors: Vec<Box<Preprocessor>>,
[INFO] [stderr]    |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn Preprocessor`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/book/mod.rs:162:48
[INFO] [stderr]     |
[INFO] [stderr] 162 |     fn execute_build_process(&self, renderer: &Renderer) -> Result<()> {
[INFO] [stderr]     |                                                ^^^^^^^^ help: use `dyn`: `dyn Renderer`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/book/mod.rs:183:59
[INFO] [stderr]     |
[INFO] [stderr] 183 |     fn render(&self, preprocessed_book: &Book, renderer: &Renderer) -> Result<()> {
[INFO] [stderr]     |                                                           ^^^^^^^^ help: use `dyn`: `dyn Renderer`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/book/mod.rs:320:52
[INFO] [stderr]     |
[INFO] [stderr] 320 | fn determine_renderers(config: &Config) -> Vec<Box<Renderer>> {
[INFO] [stderr]     |                                                    ^^^^^^^^ help: use `dyn`: `dyn Renderer`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/book/mod.rs:321:32
[INFO] [stderr]     |
[INFO] [stderr] 321 |     let mut renderers: Vec<Box<Renderer>> = Vec::new();
[INFO] [stderr]     |                                ^^^^^^^^ help: use `dyn`: `dyn Renderer`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/book/mod.rs:343:39
[INFO] [stderr]     |
[INFO] [stderr] 343 | fn default_preprocessors() -> Vec<Box<Preprocessor>> {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn Preprocessor`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/book/mod.rs:350:34
[INFO] [stderr]     |
[INFO] [stderr] 350 | fn is_default_preprocessor(pre: &Preprocessor) -> bool {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^ help: use `dyn`: `dyn Preprocessor`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/book/mod.rs:356:63
[INFO] [stderr]     |
[INFO] [stderr] 356 | fn determine_preprocessors(config: &Config) -> Result<Vec<Box<Preprocessor>>> {
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^ help: use `dyn`: `dyn Preprocessor`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/book/mod.rs:408:43
[INFO] [stderr]     |
[INFO] [stderr] 408 | fn preprocessor_should_run(preprocessor: &Preprocessor, renderer: &Renderer, cfg: &Config) -> bool {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^ help: use `dyn`: `dyn Preprocessor`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/book/mod.rs:408:68
[INFO] [stderr]     |
[INFO] [stderr] 408 | fn preprocessor_should_run(preprocessor: &Preprocessor, renderer: &Renderer, cfg: &Config) -> bool {
[INFO] [stderr]     |                                                                    ^^^^^^^^ help: use `dyn`: `dyn Renderer`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/renderer/html_handlebars/helpers/navigation.rs:93:15
[INFO] [stderr]    |
[INFO] [stderr] 93 |     out: &mut Output,
[INFO] [stderr]    |               ^^^^^^ help: use `dyn`: `dyn Output`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/renderer/html_handlebars/helpers/navigation.rs:144:15
[INFO] [stderr]     |
[INFO] [stderr] 144 |     out: &mut Output,
[INFO] [stderr]     |               ^^^^^^ help: use `dyn`: `dyn Output`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/renderer/html_handlebars/helpers/navigation.rs:160:15
[INFO] [stderr]     |
[INFO] [stderr] 160 |     out: &mut Output,
[INFO] [stderr]     |               ^^^^^^ help: use `dyn`: `dyn Output`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/renderer/html_handlebars/helpers/theme.rs:8:15
[INFO] [stderr]   |
[INFO] [stderr] 8 |     out: &mut Output,
[INFO] [stderr]   |               ^^^^^^ help: use `dyn`: `dyn Output`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/renderer/html_handlebars/helpers/toc.rs:23:19
[INFO] [stderr]    |
[INFO] [stderr] 23 |         out: &mut Output,
[INFO] [stderr]    |                   ^^^^^^ help: use `dyn`: `dyn Output`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]   --> src/utils/mod.rs:64:34
[INFO] [stderr]    |
[INFO] [stderr] 64 |     let trimmed = content.trim().trim_left_matches('#').trim();
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]   --> src/utils/mod.rs:64:34
[INFO] [stderr]    |
[INFO] [stderr] 64 |     let trimmed = content.trim().trim_left_matches('#').trim();
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `pulldown_cmark::Event<'_>: std::borrow::Borrow<pulldown_cmark::parse::Event<'_>>` is not satisfied
[INFO] [stderr]   --> examples/de-emphasize.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     cmark(events, &mut buf, None)
[INFO] [stderr]    |     ^^^^^ the trait `std::borrow::Borrow<pulldown_cmark::parse::Event<'_>>` is not implemented for `pulldown_cmark::Event<'_>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: required by `pulldown_cmark_to_cmark::fmt::cmark`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `mdbook`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> tests/rendered_output.rs:426:27
[INFO] [stderr]     |
[INFO] [stderr] 426 |         let index = index.trim_left_matches("window.search = ");
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]    --> tests/rendered_output.rs:427:27
[INFO] [stderr]     |
[INFO] [stderr] 427 |         let index = index.trim_right_matches(";");
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "825627f7240d88e79d9ba64067090b5ae0eab2f210d9bb7ccd795a16e5e25fe7"`
[INFO] running `"docker" "rm" "-f" "825627f7240d88e79d9ba64067090b5ae0eab2f210d9bb7ccd795a16e5e25fe7"`
[INFO] [stdout] 825627f7240d88e79d9ba64067090b5ae0eab2f210d9bb7ccd795a16e5e25fe7