Dec 02 09:10:41.729 INFO documenting chalk-engine-0.8.1 against try#f86f76f89ea2b1ccbfb3741962ec2029d878a389 for pr-55318-1
Dec 02 09:10:41.729 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318-1/worker-2/try#f86f76f89ea2b1ccbfb3741962ec2029d878a389:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 02 09:10:42.378 INFO [stdout] c7fec94b2be8b687421e85e28f0bd51ca0ba0d5a464b56e1c8303021a1e4d6f4
Dec 02 09:10:42.382 INFO running `"docker" "start" "-a" "c7fec94b2be8b687421e85e28f0bd51ca0ba0d5a464b56e1c8303021a1e4d6f4"`
Dec 02 09:10:43.671 INFO [stderr] usermod: no changes
Dec 02 09:10:43.742 INFO [stderr]    Compiling stacker v0.1.3
Dec 02 09:10:43.742 INFO [stderr]     Checking chalk-macros v0.1.0
Dec 02 09:10:45.804 INFO [stderr]  Documenting chalk-engine v0.8.1 (/source)
Dec 02 09:10:49.768 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.08s
Dec 02 09:10:49.768 INFO [stderr] su: No module specific data is present
Dec 02 09:10:50.772 INFO running `"docker" "inspect" "c7fec94b2be8b687421e85e28f0bd51ca0ba0d5a464b56e1c8303021a1e4d6f4"`
Dec 02 09:10:51.096 INFO running `"docker" "rm" "-f" "c7fec94b2be8b687421e85e28f0bd51ca0ba0d5a464b56e1c8303021a1e4d6f4"`
Dec 02 09:10:51.340 INFO [stdout] c7fec94b2be8b687421e85e28f0bd51ca0ba0d5a464b56e1c8303021a1e4d6f4