Dec 01 16:12:55.342 INFO documenting erictzeng/advent2016 against try#f86f76f89ea2b1ccbfb3741962ec2029d878a389 for pr-55318-1
Dec 01 16:12:55.343 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318-1/worker-4/try#f86f76f89ea2b1ccbfb3741962ec2029d878a389:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 16:12:55.616 INFO [stdout] c2d549b8e3cf6d22a4a2e9bcc6d77118b50ed581676124170395aa6bc2e8094b
Dec 01 16:12:55.620 INFO running `"docker" "start" "-a" "c2d549b8e3cf6d22a4a2e9bcc6d77118b50ed581676124170395aa6bc2e8094b"`
Dec 01 16:12:56.740 INFO [stderr] usermod: no changes
Dec 01 16:12:56.938 INFO [stderr]     Checking num-bigint v0.1.35
Dec 01 16:12:58.101 INFO [stderr]     Checking num-rational v0.1.35
Dec 01 16:12:58.820 INFO [stderr]     Checking num v0.1.36
Dec 01 16:12:59.216 INFO [stderr]  Documenting advent v0.1.0 (/source)
Dec 01 16:13:06.470 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.70s
Dec 01 16:13:06.474 INFO [stderr] su: No module specific data is present
Dec 01 16:13:06.983 INFO running `"docker" "inspect" "c2d549b8e3cf6d22a4a2e9bcc6d77118b50ed581676124170395aa6bc2e8094b"`
Dec 01 16:13:07.268 INFO running `"docker" "rm" "-f" "c2d549b8e3cf6d22a4a2e9bcc6d77118b50ed581676124170395aa6bc2e8094b"`
Dec 01 16:13:07.415 INFO [stdout] c2d549b8e3cf6d22a4a2e9bcc6d77118b50ed581676124170395aa6bc2e8094b