Nov 27 18:02:35.738 INFO documenting manfredlotz/checkutf8 against try#f5a0bd723553ea4b7556bd7087b9f0919cafb483 for pr-55318
Nov 27 18:02:35.739 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318/worker-4/try#f5a0bd723553ea4b7556bd7087b9f0919cafb483:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55318/try#f5a0bd723553ea4b7556bd7087b9f0919cafb483:/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 +f5a0bd723553ea4b7556bd7087b9f0919cafb483-alt doc --frozen --no-deps --document-private-items" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 27 18:02:36.613 INFO [stdout] a472c63aeaf2f4da31d004b6c4799e1e8400542c65bc074f613b5557adf15c9d
Nov 27 18:02:36.616 INFO running `"docker" "start" "-a" "a472c63aeaf2f4da31d004b6c4799e1e8400542c65bc074f613b5557adf15c9d"`
Nov 27 18:02:37.172 INFO [stderr] usermod: no changes
Nov 27 18:02:37.275 INFO [stderr]    Compiling syn v0.13.4
Nov 27 18:02:44.266 INFO [stderr]    Compiling structopt-derive v0.2.8
Nov 27 18:02:47.601 INFO [stderr]     Checking structopt v0.2.8
Nov 27 18:02:48.114 INFO [stderr]  Documenting checkutf8 v0.9.0 (/source)
Nov 27 18:02:50.247 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.04s
Nov 27 18:02:50.260 INFO [stderr] su: No module specific data is present
Nov 27 18:02:50.808 INFO running `"docker" "inspect" "a472c63aeaf2f4da31d004b6c4799e1e8400542c65bc074f613b5557adf15c9d"`
Nov 27 18:02:50.915 INFO running `"docker" "rm" "-f" "a472c63aeaf2f4da31d004b6c4799e1e8400542c65bc074f613b5557adf15c9d"`
Nov 27 18:02:51.008 INFO [stdout] a472c63aeaf2f4da31d004b6c4799e1e8400542c65bc074f613b5557adf15c9d