[INFO] crate mdbook 0.3.1 is already in cache
[INFO] extracting crate mdbook 0.3.1 into work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/mdbook/0.3.1
[INFO] extracting crate mdbook 0.3.1 into work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/mdbook/0.3.1
[INFO] validating manifest of mdbook-0.3.1 on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mdbook-0.3.1 on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mdbook-0.3.1
[INFO] finished frobbing mdbook-0.3.1
[INFO] frobbed toml for mdbook-0.3.1 written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/mdbook/0.3.1/Cargo.toml
[INFO] started frobbing mdbook-0.3.1
[INFO] finished frobbing mdbook-0.3.1
[INFO] frobbed toml for mdbook-0.3.1 written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/mdbook/0.3.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking mdbook-0.3.1 against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-4/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/mdbook/0.3.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 974770eab6108462cc1c4f3fa6aba4225f5f2a28af947f2823d1e074b45c480d
[INFO] running `"docker" "start" "-a" "974770eab6108462cc1c4f3fa6aba4225f5f2a28af947f2823d1e074b45c480d"`
[INFO] [stderr]    Compiling darling_core v0.8.6
[INFO] [stderr]     Checking elasticlunr-rs v2.3.6
[INFO] [stderr]    Compiling markup5ever v0.8.1
[INFO] [stderr]     Checking handlebars v2.0.1
[INFO] [stderr]    Compiling darling_macro v0.8.6
[INFO] [stderr]     Checking html5ever v0.23.0
[INFO] [stderr]    Compiling darling v0.8.6
[INFO] [stderr]     Checking ammonia v2.1.2
[INFO] [stderr]     Checking select v0.4.3
[INFO] [stderr]    Compiling toml-query_derive v0.9.0
[INFO] [stderr]     Checking toml-query v0.9.2
[INFO] [stderr]     Checking mdbook v0.3.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.23s
[INFO] running `"docker" "inspect" "974770eab6108462cc1c4f3fa6aba4225f5f2a28af947f2823d1e074b45c480d"`
[INFO] running `"docker" "rm" "-f" "974770eab6108462cc1c4f3fa6aba4225f5f2a28af947f2823d1e074b45c480d"`
[INFO] [stdout] 974770eab6108462cc1c4f3fa6aba4225f5f2a28af947f2823d1e074b45c480d