Dec 01 11:51:01.820 INFO documenting manfredlotz/checkutf8 against try#f86f76f89ea2b1ccbfb3741962ec2029d878a389 for pr-55318-1
Dec 01 11:51:01.820 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318-1/worker-7/try#f86f76f89ea2b1ccbfb3741962ec2029d878a389:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55318-1/try#f86f76f89ea2b1ccbfb3741962ec2029d878a389:/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 +f86f76f89ea2b1ccbfb3741962ec2029d878a389-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"`
Dec 01 11:51:02.419 INFO [stdout] f02ddeb1c2d257e265548e0002a2016e782f181791f2ce996d8c5e78dd4d7464
Dec 01 11:51:02.421 INFO running `"docker" "start" "-a" "f02ddeb1c2d257e265548e0002a2016e782f181791f2ce996d8c5e78dd4d7464"`
Dec 01 11:51:03.648 INFO [stderr] usermod: no changes
Dec 01 11:51:03.779 INFO [stderr]    Compiling syn v0.13.4
Dec 01 11:51:11.211 INFO [stderr]    Compiling structopt-derive v0.2.8
Dec 01 11:51:15.056 INFO [stderr]     Checking structopt v0.2.8
Dec 01 11:51:15.568 INFO [stderr]  Documenting checkutf8 v0.9.0 (/source)
Dec 01 11:51:17.379 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.70s
Dec 01 11:51:17.385 INFO [stderr] su: No module specific data is present
Dec 01 11:51:17.750 INFO running `"docker" "inspect" "f02ddeb1c2d257e265548e0002a2016e782f181791f2ce996d8c5e78dd4d7464"`
Dec 01 11:51:17.918 INFO running `"docker" "rm" "-f" "f02ddeb1c2d257e265548e0002a2016e782f181791f2ce996d8c5e78dd4d7464"`
Dec 01 11:51:18.111 INFO [stdout] f02ddeb1c2d257e265548e0002a2016e782f181791f2ce996d8c5e78dd4d7464