Dec 12 11:34:22.681 INFO checking mdbook-0.2.2 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 11:34:22.681 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 12 11:34:23.125 INFO [stdout] f3b6ef6daf24913fb648b0ce29df50bae02e3013495cc173abe9ccfd9fd11f32
Dec 12 11:34:23.127 INFO running `"docker" "start" "-a" "f3b6ef6daf24913fb648b0ce29df50bae02e3013495cc173abe9ccfd9fd11f32"`
Dec 12 11:34:25.236 INFO [stderr] usermod: no changes
Dec 12 11:34:25.838 INFO [stderr]     Checking pulldown-cmark-to-cmark v1.1.0
Dec 12 11:34:25.889 INFO [stderr]    Compiling string_cache v0.6.2
Dec 12 11:34:25.891 INFO [stderr]    Compiling markup5ever v0.3.2
Dec 12 11:34:25.938 INFO [stderr]     Checking mdbook v0.2.2 (/source)
Dec 12 11:34:43.034 INFO [stderr]     Checking html5ever v0.18.0
Dec 12 11:34:49.393 INFO [stderr]     Checking select v0.4.2
Dec 12 11:35:30.427 INFO [stderr] warning: struct is never constructed: `Deemphasize`
Dec 12 11:35:30.427 INFO [stderr]   --> examples/de-emphasize.rs:20:1
Dec 12 11:35:30.427 INFO [stderr]    |
Dec 12 11:35:30.427 INFO [stderr] 20 | struct Deemphasize;
Dec 12 11:35:30.427 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Dec 12 11:35:30.429 INFO [stderr]    |
Dec 12 11:35:30.429 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 11:35:30.429 INFO [stderr] 
Dec 12 11:35:47.316 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 22s
Dec 12 11:35:47.345 INFO [stderr] su: No module specific data is present
Dec 12 11:35:48.812 INFO running `"docker" "inspect" "f3b6ef6daf24913fb648b0ce29df50bae02e3013495cc173abe9ccfd9fd11f32"`
Dec 12 11:35:49.096 INFO running `"docker" "rm" "-f" "f3b6ef6daf24913fb648b0ce29df50bae02e3013495cc173abe9ccfd9fd11f32"`
Dec 12 11:35:49.440 INFO [stdout] f3b6ef6daf24913fb648b0ce29df50bae02e3013495cc173abe9ccfd9fd11f32