Nov 27 08:48:29.597 INFO documenting zhaihj/rust-play-ground against try#f5a0bd723553ea4b7556bd7087b9f0919cafb483 for pr-55318
Nov 27 08:48:29.599 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318/worker-7/try#f5a0bd723553ea4b7556bd7087b9f0919cafb483:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 08:48:30.091 INFO [stdout] 2e84719b3296dec6a5e811b9f487c977730538f4bef81fd0a78d8877964898a6
Nov 27 08:48:30.097 INFO running `"docker" "start" "-a" "2e84719b3296dec6a5e811b9f487c977730538f4bef81fd0a78d8877964898a6"`
Nov 27 08:48:31.375 INFO [stderr] usermod: no changes
Nov 27 08:48:31.469 INFO [stderr]     Checking libc v0.2.19
Nov 27 08:48:31.469 INFO [stderr]     Checking rustc-serialize v0.3.22
Nov 27 08:48:32.593 INFO [stderr]     Checking memchr v1.0.1
Nov 27 08:48:36.663 INFO [stderr]     Checking csv v0.15.0
Nov 27 08:48:37.327 INFO [stderr]  Documenting csv-read-test v0.1.0 (/source)
Nov 27 08:48:39.223 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.79s
Nov 27 08:48:39.223 INFO [stderr] su: No module specific data is present
Nov 27 08:48:40.017 INFO running `"docker" "inspect" "2e84719b3296dec6a5e811b9f487c977730538f4bef81fd0a78d8877964898a6"`
Nov 27 08:48:40.335 INFO running `"docker" "rm" "-f" "2e84719b3296dec6a5e811b9f487c977730538f4bef81fd0a78d8877964898a6"`
Nov 27 08:48:40.713 INFO [stdout] 2e84719b3296dec6a5e811b9f487c977730538f4bef81fd0a78d8877964898a6