Dec 05 14:09:39.000 INFO checking epub-builder-0.4.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 14:09:39.000 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 05 14:09:39.406 INFO [stdout] 0700e26434a82b209cc54d49c30791f0babe8ee80f12fd998bcff93fb71ef020
Dec 05 14:09:39.413 INFO running `"docker" "start" "-a" "0700e26434a82b209cc54d49c30791f0babe8ee80f12fd998bcff93fb71ef020"`
Dec 05 14:09:40.446 INFO [stderr] usermod: no changes
Dec 05 14:09:40.635 INFO [stderr]     Checking mustache v0.9.0
Dec 05 14:09:41.919 INFO [stderr]     Checking epub-builder v0.4.0 (/source)
Dec 05 14:09:45.988 INFO [stderr] warning: doc comment not used by rustdoc
Dec 05 14:09:45.988 INFO [stderr]    --> src/epub.rs:340:9
Dec 05 14:09:45.988 INFO [stderr]     |
Dec 05 14:09:45.988 INFO [stderr] 340 |         /// Render content.opf
Dec 05 14:09:45.988 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:09:45.988 INFO [stderr]     |
Dec 05 14:09:45.988 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 05 14:09:45.988 INFO [stderr] 
Dec 05 14:09:45.988 INFO [stderr] warning: doc comment not used by rustdoc
Dec 05 14:09:45.988 INFO [stderr]    --> src/epub.rs:343:9
Dec 05 14:09:45.988 INFO [stderr]     |
Dec 05 14:09:45.988 INFO [stderr] 343 |         /// Render toc.ncx
Dec 05 14:09:45.988 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^
Dec 05 14:09:45.988 INFO [stderr] 
Dec 05 14:09:46.643 INFO [stderr] warning: doc comment not used by rustdoc
Dec 05 14:09:46.643 INFO [stderr]    --> src/epub.rs:340:9
Dec 05 14:09:46.643 INFO [stderr]     |
Dec 05 14:09:46.643 INFO [stderr] 340 |         /// Render content.opf
Dec 05 14:09:46.643 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:09:46.655 INFO [stderr]     |
Dec 05 14:09:46.655 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 05 14:09:46.655 INFO [stderr] 
Dec 05 14:09:46.655 INFO [stderr] warning: doc comment not used by rustdoc
Dec 05 14:09:46.655 INFO [stderr]    --> src/epub.rs:343:9
Dec 05 14:09:46.655 INFO [stderr]     |
Dec 05 14:09:46.655 INFO [stderr] 343 |         /// Render toc.ncx
Dec 05 14:09:46.655 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^
Dec 05 14:09:46.655 INFO [stderr] 
Dec 05 14:09:50.396 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.92s
Dec 05 14:09:50.403 INFO [stderr] su: No module specific data is present
Dec 05 14:09:51.031 INFO running `"docker" "inspect" "0700e26434a82b209cc54d49c30791f0babe8ee80f12fd998bcff93fb71ef020"`
Dec 05 14:09:51.487 INFO running `"docker" "rm" "-f" "0700e26434a82b209cc54d49c30791f0babe8ee80f12fd998bcff93fb71ef020"`
Dec 05 14:09:51.822 INFO [stdout] 0700e26434a82b209cc54d49c30791f0babe8ee80f12fd998bcff93fb71ef020