Nov 28 14:46:57.112 INFO documenting duct-0.11.1 against master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb for pr-55318
Nov 28 14:46:57.112 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318/worker-2/master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55318/master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb:/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 +6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb-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 28 14:46:57.298 INFO [stdout] 15cd84dc5c6ab862c14622ad634d433a9ca53adee4ea681bd536d522fb053208
Nov 28 14:46:57.300 INFO running `"docker" "start" "-a" "15cd84dc5c6ab862c14622ad634d433a9ca53adee4ea681bd536d522fb053208"`
Nov 28 14:46:57.869 INFO [stderr] usermod: no changes
Nov 28 14:46:58.039 INFO [stderr]    Compiling winapi v0.3.6
Nov 28 14:46:58.051 INFO [stderr]     Checking os_pipe v0.7.0
Nov 28 14:47:00.271 INFO [stderr]     Checking shared_child v0.3.3
Nov 28 14:47:00.596 INFO [stderr]     Checking duct v0.11.1 (/source)
Nov 28 14:47:00.596 INFO [stderr]  Documenting duct v0.11.1 (/source)
Nov 28 14:47:08.790 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.86s
Nov 28 14:47:08.796 INFO [stderr] su: No module specific data is present
Nov 28 14:47:09.111 INFO running `"docker" "inspect" "15cd84dc5c6ab862c14622ad634d433a9ca53adee4ea681bd536d522fb053208"`
Nov 28 14:47:09.215 INFO running `"docker" "rm" "-f" "15cd84dc5c6ab862c14622ad634d433a9ca53adee4ea681bd536d522fb053208"`
Nov 28 14:47:09.343 INFO [stdout] 15cd84dc5c6ab862c14622ad634d433a9ca53adee4ea681bd536d522fb053208