[INFO] updating cached repository https://github.com/inner-product/mdbook-scala-wrapper
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 820d617c502e9ca3d36c38fe4351d4192b29b806
[INFO] checking inner-product/mdbook-scala-wrapper against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Finner-product%2Fmdbook-scala-wrapper" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/inner-product/mdbook-scala-wrapper on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/inner-product/mdbook-scala-wrapper
[INFO] finished tweaking git repo https://github.com/inner-product/mdbook-scala-wrapper
[INFO] tweaked toml for git repo https://github.com/inner-product/mdbook-scala-wrapper written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/inner-product/mdbook-scala-wrapper already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5c606744a6337d119c7490a1f0328dffda23c05ae2148cf6f1ba7c34a9f325fd
[INFO] running `"docker" "start" "-a" "5c606744a6337d119c7490a1f0328dffda23c05ae2148cf6f1ba7c34a9f325fd"`
[INFO] [stderr]     Checking sequence_trie v0.3.5
[INFO] [stderr]     Checking is-match v0.1.0
[INFO] [stderr]     Checking strum v0.9.0
[INFO] [stderr]     Checking tempfile v3.0.4
[INFO] [stderr]     Checking tokio-io v0.1.9
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking hyper v0.10.13
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling strum_macros v0.9.1
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]    Compiling string_cache_codegen v0.4.1
[INFO] [stderr]     Checking handlebars v1.0.5
[INFO] [stderr]     Checking ws v0.7.9
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking mime_guess v1.8.6
[INFO] [stderr]     Checking toml-query v0.7.0
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]     Checking iron v0.6.0
[INFO] [stderr]     Checking notify v4.0.6
[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/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] running `"docker" "inspect" "5c606744a6337d119c7490a1f0328dffda23c05ae2148cf6f1ba7c34a9f325fd"`
[INFO] running `"docker" "rm" "-f" "5c606744a6337d119c7490a1f0328dffda23c05ae2148cf6f1ba7c34a9f325fd"`
[INFO] [stdout] 5c606744a6337d119c7490a1f0328dffda23c05ae2148cf6f1ba7c34a9f325fd