Dec 11 10:29:10.325 INFO checking rust-lang-nursery/mdBook against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 10:29:10.325 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 10:29:10.748 INFO [stdout] 727c6ac4e65b489df75564c0fecb04e89f9bf2e336f2d29a734db51ad96c51fb
Dec 11 10:29:10.756 INFO running `"docker" "start" "-a" "727c6ac4e65b489df75564c0fecb04e89f9bf2e336f2d29a734db51ad96c51fb"`
Dec 11 10:29:12.912 INFO [stderr] usermod: no changes
Dec 11 10:29:13.527 INFO [stderr]    Compiling pulldown-cmark v0.1.2
Dec 11 10:29:13.527 INFO [stderr]     Checking strum v0.9.0
Dec 11 10:29:13.527 INFO [stderr]     Checking is-match v0.1.0
Dec 11 10:29:13.532 INFO [stderr]     Checking maplit v1.0.1
Dec 11 10:29:13.532 INFO [stderr]     Checking open v1.2.2
Dec 11 10:29:13.544 INFO [stderr]     Checking filetime v0.2.1
Dec 11 10:29:13.588 INFO [stderr]    Compiling syn v0.13.11
Dec 11 10:29:13.588 INFO [stderr]    Compiling serde_json v1.0.32
Dec 11 10:29:14.958 INFO [stderr]     Checking tokio-io v0.1.9
Dec 11 10:29:14.973 INFO [stderr]     Checking mio-extras v2.0.5
Dec 11 10:29:15.041 INFO [stderr]    Compiling pest_derive v1.0.8
Dec 11 10:29:15.492 INFO [stderr]     Checking tendril v0.4.0
Dec 11 10:29:15.738 INFO [stderr]    Compiling strum_macros v0.9.1
Dec 11 10:29:16.318 INFO [stderr]     Checking error-chain v0.12.0
Dec 11 10:29:19.629 INFO [stderr]    Compiling string_cache_codegen v0.4.1
Dec 11 10:29:20.326 INFO [stderr]     Checking ws v0.7.9
Dec 11 10:29:21.649 INFO [stderr]     Checking toml-query v0.7.0
Dec 11 10:29:39.783 INFO [stderr]     Checking tokio-reactor v0.1.6
Dec 11 10:29:39.826 INFO [stderr]     Checking pulldown-cmark-to-cmark v1.1.0
Dec 11 10:29:39.914 INFO [stderr]    Compiling string_cache v0.7.3
Dec 11 10:29:40.046 INFO [stderr]    Compiling string_cache v0.6.2
Dec 11 10:29:40.310 INFO [stderr]    Compiling markup5ever v0.3.2
Dec 11 10:29:42.041 INFO [stderr]    Compiling markup5ever v0.7.3
Dec 11 10:29:44.018 INFO [stderr]     Checking elasticlunr-rs v2.3.3
Dec 11 10:29:48.532 INFO [stderr]     Checking handlebars v1.0.5
Dec 11 10:29:48.539 INFO [stderr]     Checking inotify v0.6.1
Dec 11 10:29:48.620 INFO [stderr]     Checking mount v0.4.0
Dec 11 10:29:54.611 INFO [stderr]     Checking staticfile v0.5.0
Dec 11 10:29:56.753 INFO [stderr]     Checking notify v4.0.6
Dec 11 10:30:13.121 INFO [stderr]     Checking html5ever v0.18.0
Dec 11 10:30:24.927 INFO [stderr]     Checking select v0.4.2
Dec 11 10:30:25.598 INFO [stderr]    Compiling html5ever v0.22.3
Dec 11 10:30:40.168 INFO [stderr]     Checking ammonia v1.2.0
Dec 11 10:30:41.294 INFO [stderr]     Checking mdbook v0.2.3-alpha.0 (/source)
Dec 11 10:31:07.352 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 54s
Dec 11 10:31:07.390 INFO [stderr] su: No module specific data is present
Dec 11 10:31:08.228 INFO running `"docker" "inspect" "727c6ac4e65b489df75564c0fecb04e89f9bf2e336f2d29a734db51ad96c51fb"`
Dec 11 10:31:08.398 INFO running `"docker" "rm" "-f" "727c6ac4e65b489df75564c0fecb04e89f9bf2e336f2d29a734db51ad96c51fb"`
Dec 11 10:31:08.780 INFO [stdout] 727c6ac4e65b489df75564c0fecb04e89f9bf2e336f2d29a734db51ad96c51fb