[INFO] cloning repository inner-product/mdbook-scala-wrapper
[INFO] running `"git" "clone" "--bare" "git://github.com/inner-product/mdbook-scala-wrapper.git" "work/cache/sources/gh/inner-product/mdbook-scala-wrapper"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/inner-product/mdbook-scala-wrapper'...
[INFO] running `"git" "clone" "work/cache/sources/gh/inner-product/mdbook-scala-wrapper" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/inner-product/mdbook-scala-wrapper"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/inner-product/mdbook-scala-wrapper'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/inner-product/mdbook-scala-wrapper" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/inner-product/mdbook-scala-wrapper"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/inner-product/mdbook-scala-wrapper'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 820d617c502e9ca3d36c38fe4351d4192b29b806
[INFO] sha for GitHub repo inner-product/mdbook-scala-wrapper: 820d617c502e9ca3d36c38fe4351d4192b29b806
[INFO] validating manifest of inner-product/mdbook-scala-wrapper on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of inner-product/mdbook-scala-wrapper on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing inner-product/mdbook-scala-wrapper
[INFO] finished frobbing inner-product/mdbook-scala-wrapper
[INFO] frobbed toml for inner-product/mdbook-scala-wrapper written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/inner-product/mdbook-scala-wrapper/Cargo.toml
[INFO] started frobbing inner-product/mdbook-scala-wrapper
[INFO] finished frobbing inner-product/mdbook-scala-wrapper
[INFO] frobbed toml for inner-product/mdbook-scala-wrapper written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/inner-product/mdbook-scala-wrapper/Cargo.toml
[INFO] crate inner-product/mdbook-scala-wrapper already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mdbook v0.2.1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking inner-product/mdbook-scala-wrapper against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/inner-product/mdbook-scala-wrapper:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 631b6d5fec739b1b83473a883b8b7cefaa1e06e52ddf32b4ecd2e536eebfd6d4
[INFO] running `"docker" "start" "-a" "631b6d5fec739b1b83473a883b8b7cefaa1e06e52ddf32b4ecd2e536eebfd6d4"`
[INFO] [stderr]     Checking tempfile v3.0.4
[INFO] [stderr]     Checking ws v0.7.9
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling strum_macros v0.9.1
[INFO] [stderr]    Compiling string_cache_codegen v0.4.1
[INFO] [stderr]     Checking handlebars v1.0.5
[INFO] [stderr]     Checking toml-query v0.7.0
[INFO] [stderr]     Checking mime_guess v1.8.6
[INFO] [stderr]     Checking iron v0.6.0
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]     Checking mount v0.4.0
[INFO] [stderr]     Checking staticfile v0.5.0
[INFO] [stderr]    Compiling markup5ever v0.7.3
[INFO] [stderr]     Checking elasticlunr-rs v2.3.3
[INFO] [stderr]     Checking html5ever v0.22.3
[INFO] [stderr]     Checking ammonia v1.2.0
[INFO] [stderr]     Checking mdbook v0.2.1
[INFO] [stderr]     Checking mdbook-scala-wrapper v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.80s
[INFO] running `"docker" "inspect" "631b6d5fec739b1b83473a883b8b7cefaa1e06e52ddf32b4ecd2e536eebfd6d4"`
[INFO] running `"docker" "rm" "-f" "631b6d5fec739b1b83473a883b8b7cefaa1e06e52ddf32b4ecd2e536eebfd6d4"`
[INFO] [stdout] 631b6d5fec739b1b83473a883b8b7cefaa1e06e52ddf32b4ecd2e536eebfd6d4