Dec 02 07:47:47.771 INFO documenting futures-zipkin-0.4.0 against master#147e60c5f89cfa2d3ffc247413956a37582c98e7 for pr-55318-1
Dec 02 07:47:47.771 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318-1/worker-5/master#147e60c5f89cfa2d3ffc247413956a37582c98e7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55318-1/master#147e60c5f89cfa2d3ffc247413956a37582c98e7:/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 +147e60c5f89cfa2d3ffc247413956a37582c98e7-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 07:47:48.071 INFO [stdout] 5b37d030d4c840f9679203ce078206048c2160aa41be5ec7c291a7efab81881f
Dec 02 07:47:48.073 INFO running `"docker" "start" "-a" "5b37d030d4c840f9679203ce078206048c2160aa41be5ec7c291a7efab81881f"`
Dec 02 07:47:48.817 INFO [stderr] usermod: no changes
Dec 02 07:47:48.903 INFO [stderr]     Checking zipkin-types v0.1.0
Dec 02 07:47:48.905 INFO [stderr]     Checking thread-local-object v0.1.0
Dec 02 07:47:48.907 INFO [stderr]     Checking rand v0.6.1
Dec 02 07:47:51.242 INFO [stderr]     Checking zipkin v0.3.2
Dec 02 07:47:52.000 INFO [stderr]  Documenting futures-zipkin v0.4.0 (/source)
Dec 02 07:47:54.003 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.16s
Dec 02 07:47:54.009 INFO [stderr] su: No module specific data is present
Dec 02 07:47:54.307 INFO running `"docker" "inspect" "5b37d030d4c840f9679203ce078206048c2160aa41be5ec7c291a7efab81881f"`
Dec 02 07:47:54.391 INFO running `"docker" "rm" "-f" "5b37d030d4c840f9679203ce078206048c2160aa41be5ec7c291a7efab81881f"`
Dec 02 07:47:54.542 INFO [stdout] 5b37d030d4c840f9679203ce078206048c2160aa41be5ec7c291a7efab81881f