Dec 03 01:57:35.690 INFO testing mdbook-0.2.2 against 1.30.1 for beta-1.31-5
Dec 03 01:57:35.690 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/1.30.1:/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 +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 03 01:57:36.104 INFO [stdout] 22886b5fa4877a4db20ffab1cf1ff986c8b7440b3a1c0abcb2949dcfb0265921
Dec 03 01:57:36.111 INFO running `"docker" "start" "-a" "22886b5fa4877a4db20ffab1cf1ff986c8b7440b3a1c0abcb2949dcfb0265921"`
Dec 03 01:57:37.255 INFO [stderr] usermod: no changes
Dec 03 01:57:37.807 INFO [stderr]    Compiling sequence_trie v0.3.6
Dec 03 01:57:37.817 INFO [stderr]    Compiling strum v0.11.0
Dec 03 01:57:37.831 INFO [stderr]    Compiling inotify-sys v0.1.3
Dec 03 01:57:37.843 INFO [stderr]    Compiling mio-extras v2.0.5
Dec 03 01:57:37.843 INFO [stderr]    Compiling strum_macros v0.11.0
Dec 03 01:57:37.843 INFO [stderr]    Compiling error-chain v0.12.0
Dec 03 01:57:37.867 INFO [stderr]    Compiling handlebars v1.1.0
Dec 03 01:57:37.867 INFO [stderr]    Compiling tempfile v3.0.5
Dec 03 01:57:41.571 INFO [stderr]    Compiling html5ever v0.22.5
Dec 03 01:57:43.191 INFO [stderr]    Compiling inotify v0.6.1
Dec 03 01:57:43.529 INFO [stderr]    Compiling mount v0.4.0
Dec 03 01:57:49.752 INFO [stderr]    Compiling ws v0.7.9
Dec 03 01:57:50.227 INFO [stderr]    Compiling toml-query v0.7.0
Dec 03 01:58:05.278 INFO [stderr]    Compiling notify v4.0.6
Dec 03 01:58:07.033 INFO [stderr]    Compiling staticfile v0.5.0
Dec 03 01:58:09.117 INFO [stderr]    Compiling ammonia v1.2.0
Dec 03 01:58:30.955 INFO [stderr]    Compiling elasticlunr-rs v2.3.4
Dec 03 01:58:37.563 INFO [stderr]    Compiling mdbook v0.2.2 (/source)
Dec 03 01:59:17.517 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 40s
Dec 03 01:59:17.540 INFO [stderr] su: No module specific data is present
Dec 03 01:59:18.545 INFO running `"docker" "inspect" "22886b5fa4877a4db20ffab1cf1ff986c8b7440b3a1c0abcb2949dcfb0265921"`
Dec 03 01:59:18.852 INFO running `"docker" "rm" "-f" "22886b5fa4877a4db20ffab1cf1ff986c8b7440b3a1c0abcb2949dcfb0265921"`
Dec 03 01:59:19.179 INFO [stdout] 22886b5fa4877a4db20ffab1cf1ff986c8b7440b3a1c0abcb2949dcfb0265921
Dec 03 01:59:19.183 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 03 01:59:19.631 INFO [stdout] 0eb9149d2a4d4bcad260c4c03f60840b7c160bac631fc2dcfc3db5afd3c07cdf
Dec 03 01:59:19.637 INFO running `"docker" "start" "-a" "0eb9149d2a4d4bcad260c4c03f60840b7c160bac631fc2dcfc3db5afd3c07cdf"`
Dec 03 01:59:21.295 INFO [stderr] usermod: no changes
Dec 03 01:59:21.756 INFO [stderr]    Compiling pulldown-cmark-to-cmark v1.1.0
Dec 03 01:59:21.767 INFO [stderr]    Compiling string_cache v0.6.2
Dec 03 01:59:24.246 INFO [stderr]    Compiling markup5ever v0.3.2
Dec 03 01:59:29.266 INFO [stderr]    Compiling html5ever v0.18.0
Dec 03 01:59:34.128 INFO [stderr]    Compiling select v0.4.2
Dec 03 01:59:39.943 INFO [stderr]    Compiling mdbook v0.2.2 (/source)
Dec 03 02:00:05.347 INFO [stderr] warning: struct is never constructed: `Deemphasize`
Dec 03 02:00:05.347 INFO [stderr]   --> examples/de-emphasize.rs:20:1
Dec 03 02:00:05.347 INFO [stderr]    |
Dec 03 02:00:05.347 INFO [stderr] 20 | struct Deemphasize;
Dec 03 02:00:05.347 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Dec 03 02:00:05.347 INFO [stderr]    |
Dec 03 02:00:05.347 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 03 02:00:05.347 INFO [stderr] 
Dec 03 02:00:40.051 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 18s
Dec 03 02:00:40.087 INFO [stderr] su: No module specific data is present
Dec 03 02:00:40.528 INFO running `"docker" "inspect" "0eb9149d2a4d4bcad260c4c03f60840b7c160bac631fc2dcfc3db5afd3c07cdf"`
Dec 03 02:00:40.760 INFO running `"docker" "rm" "-f" "0eb9149d2a4d4bcad260c4c03f60840b7c160bac631fc2dcfc3db5afd3c07cdf"`
Dec 03 02:00:40.966 INFO [stdout] 0eb9149d2a4d4bcad260c4c03f60840b7c160bac631fc2dcfc3db5afd3c07cdf