[INFO] fetching crate mdbook-plantuml 0.3.0...
[INFO] checking mdbook-plantuml-0.3.0 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate mdbook-plantuml 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mdbook-plantuml 0.3.0 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mdbook-plantuml 0.3.0
[INFO] finished tweaking crates.io crate mdbook-plantuml 0.3.0
[INFO] tweaked toml for crates.io crate mdbook-plantuml 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8fa2ee79e41cab24b2bfc1618fb1b4827930e217e5b3d4d7d6b0371147cebfe3
[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" "8fa2ee79e41cab24b2bfc1618fb1b4827930e217e5b3d4d7d6b0371147cebfe3"`
[INFO] [stderr]    Compiling pulldown-cmark v0.5.3
[INFO] [stderr]     Checking handlebox v0.3.0
[INFO] [stderr]     Checking open v1.3.2
[INFO] [stderr]    Compiling debugit v0.1.2
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]    Compiling darling_core v0.8.6
[INFO] [stderr]    Compiling strum_macros v0.15.0
[INFO] [stderr]    Compiling markup5ever v0.8.1
[INFO] [stderr]     Checking ws v0.8.1
[INFO] [stderr]     Checking string_cache v0.7.4
[INFO] [stderr]     Checking simulacrum_shared v0.1.0
[INFO] [stderr]     Checking simulacrum_mock v0.1.0
[INFO] [stderr]     Checking simulacrum_user v0.1.0
[INFO] [stderr]     Checking handlebars v2.0.2
[INFO] [stderr]     Checking simulacrum_macros v0.3.1
[INFO] [stderr]     Checking simulacrum v0.3.1
[INFO] [stderr]     Checking pulldown-cmark-to-cmark v1.2.2
[INFO] [stderr]     Checking elasticlunr-rs v2.3.6
[INFO] [stderr]     Checking html5ever v0.23.0
[INFO] [stderr]    Compiling darling_macro v0.8.6
[INFO] [stderr]     Checking ammonia v2.1.2
[INFO] [stderr]    Compiling darling v0.8.6
[INFO] [stderr]    Compiling toml-query_derive v0.9.0
[INFO] [stderr]     Checking toml-query v0.9.2
[INFO] [stderr]     Checking mdbook v0.3.1
[INFO] [stderr]     Checking mdbook-plantuml v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/plantuml_backend.rs:18:65
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn create(cfg: &PlantUMLConfig, book_root: &PathBuf) -> Box<PlantUMLBackend> {
[INFO] [stderr]    |                                                                 ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PlantUMLBackend`
[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:30:40
[INFO] [stderr]    |
[INFO] [stderr] 30 | impl PlantUMLCodeBlockRenderer for Box<PlantUMLBackend> {
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PlantUMLBackend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/plantuml_backend.rs:18:65
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn create(cfg: &PlantUMLConfig, book_root: &PathBuf) -> Box<PlantUMLBackend> {
[INFO] [stderr]    |                                                                 ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PlantUMLBackend`
[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:30:40
[INFO] [stderr]    |
[INFO] [stderr] 30 | impl PlantUMLCodeBlockRenderer for Box<PlantUMLBackend> {
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PlantUMLBackend`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.06s
[INFO] running `"docker" "inspect" "8fa2ee79e41cab24b2bfc1618fb1b4827930e217e5b3d4d7d6b0371147cebfe3"`
[INFO] running `"docker" "rm" "-f" "8fa2ee79e41cab24b2bfc1618fb1b4827930e217e5b3d4d7d6b0371147cebfe3"`
[INFO] [stdout] 8fa2ee79e41cab24b2bfc1618fb1b4827930e217e5b3d4d7d6b0371147cebfe3