Nov 28 10:47:58.932 INFO documenting prometheus_reporter-0.0.2 against master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb for pr-55318
Nov 28 10:47:58.933 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318/worker-3/master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 10:47:59.207 INFO [stdout] 24f85752aa5ffa4c87d1d6e9d4c21b7c61eefe2d5fd2d6ad4596a90e65b95afc
Nov 28 10:47:59.209 INFO running `"docker" "start" "-a" "24f85752aa5ffa4c87d1d6e9d4c21b7c61eefe2d5fd2d6ad4596a90e65b95afc"`
Nov 28 10:47:59.747 INFO [stderr] usermod: no changes
Nov 28 10:47:59.945 INFO [stderr]     Checking iron v0.4.0
Nov 28 10:48:01.751 INFO [stderr]     Checking persistent v0.2.1
Nov 28 10:48:01.751 INFO [stderr]     Checking router v0.2.0
Nov 28 10:48:04.437 INFO [stderr]  Documenting prometheus_reporter v0.0.2 (/source)
Nov 28 10:48:08.249 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.48s
Nov 28 10:48:08.264 INFO [stderr] su: No module specific data is present
Nov 28 10:48:08.610 INFO running `"docker" "inspect" "24f85752aa5ffa4c87d1d6e9d4c21b7c61eefe2d5fd2d6ad4596a90e65b95afc"`
Nov 28 10:48:08.759 INFO running `"docker" "rm" "-f" "24f85752aa5ffa4c87d1d6e9d4c21b7c61eefe2d5fd2d6ad4596a90e65b95afc"`
Nov 28 10:48:08.892 INFO [stdout] 24f85752aa5ffa4c87d1d6e9d4c21b7c61eefe2d5fd2d6ad4596a90e65b95afc