[INFO] crate mdbook 0.3.0 is already in cache
[INFO] extracting crate mdbook 0.3.0 into work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/mdbook/0.3.0
[INFO] extracting crate mdbook 0.3.0 into work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/reg/mdbook/0.3.0
[INFO] validating manifest of mdbook-0.3.0 on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mdbook-0.3.0 on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mdbook-0.3.0
[INFO] finished frobbing mdbook-0.3.0
[INFO] frobbed toml for mdbook-0.3.0 written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/mdbook/0.3.0/Cargo.toml
[INFO] started frobbing mdbook-0.3.0
[INFO] finished frobbing mdbook-0.3.0
[INFO] frobbed toml for mdbook-0.3.0 written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/reg/mdbook/0.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mdbook-0.3.0 against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-4/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/mdbook/0.3.0:/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" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d76ada0ae7d1bc371f503b258d34e4fc87cc76324c726136e97783ce2c3b6d30
[INFO] running `"docker" "start" "-a" "d76ada0ae7d1bc371f503b258d34e4fc87cc76324c726136e97783ce2c3b6d30"`
[INFO] [stderr]     Checking pulldown-cmark v0.5.2
[INFO] [stderr]    Compiling darling_core v0.8.6
[INFO] [stderr]    Compiling markup5ever v0.8.1
[INFO] [stderr]     Checking ws v0.8.1
[INFO] [stderr]     Checking handlebars v1.1.0
[INFO] [stderr]     Checking string_cache v0.7.3
[INFO] [stderr]    Compiling darling_macro v0.8.6
[INFO] [stderr]     Checking html5ever v0.23.0
[INFO] [stderr]    Compiling darling v0.8.6
[INFO] [stderr]    Compiling toml-query_derive v0.9.0
[INFO] [stderr]     Checking ammonia v2.1.2
[INFO] [stderr]     Checking select v0.4.3
[INFO] [stderr]     Checking toml-query v0.9.2
[INFO] [stderr]     Checking mdbook v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.37s
[INFO] running `"docker" "inspect" "d76ada0ae7d1bc371f503b258d34e4fc87cc76324c726136e97783ce2c3b6d30"`
[INFO] running `"docker" "rm" "-f" "d76ada0ae7d1bc371f503b258d34e4fc87cc76324c726136e97783ce2c3b6d30"`
[INFO] [stdout] d76ada0ae7d1bc371f503b258d34e4fc87cc76324c726136e97783ce2c3b6d30