Nov 28 14:11:49.748 INFO documenting futures-stable-0.2.1 against master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb for pr-55318
Nov 28 14:11:49.748 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318/worker-7/master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 14:11:49.919 INFO [stdout] dad869cb395f8c87a228bc4cec27793da0ec68746bc8ed2189cb400801a4a7cb
Nov 28 14:11:49.924 INFO running `"docker" "start" "-a" "dad869cb395f8c87a228bc4cec27793da0ec68746bc8ed2189cb400801a4a7cb"`
Nov 28 14:11:50.372 INFO [stderr] usermod: no changes
Nov 28 14:11:50.436 INFO [stderr]     Checking futures-io v0.2.1
Nov 28 14:11:50.838 INFO [stderr]     Checking futures-util v0.2.1
Nov 28 14:11:53.147 INFO [stderr]     Checking futures-executor v0.2.1
Nov 28 14:11:53.828 INFO [stderr]  Documenting futures-stable v0.2.1 (/source)
Nov 28 14:11:54.796 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.40s
Nov 28 14:11:54.800 INFO [stderr] su: No module specific data is present
Nov 28 14:11:55.058 INFO running `"docker" "inspect" "dad869cb395f8c87a228bc4cec27793da0ec68746bc8ed2189cb400801a4a7cb"`
Nov 28 14:11:55.145 INFO running `"docker" "rm" "-f" "dad869cb395f8c87a228bc4cec27793da0ec68746bc8ed2189cb400801a4a7cb"`
Nov 28 14:11:55.277 INFO [stdout] dad869cb395f8c87a228bc4cec27793da0ec68746bc8ed2189cb400801a4a7cb