Nov 28 13:22:18.213 INFO documenting happy-0.1.1 against master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb for pr-55318
Nov 28 13:22:18.215 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 13:22:18.523 INFO [stdout] c1f4fa5151b245a2a486b52c0ea30b488db7d56a17aedc414315d76140f5491f
Nov 28 13:22:18.527 INFO running `"docker" "start" "-a" "c1f4fa5151b245a2a486b52c0ea30b488db7d56a17aedc414315d76140f5491f"`
Nov 28 13:22:19.262 INFO [stderr] usermod: no changes
Nov 28 13:22:19.624 INFO [stderr]     Checking combine v2.4.0
Nov 28 13:22:19.637 INFO [stderr]     Checking tokio-core v0.1.17
Nov 28 13:22:24.005 INFO [stderr]     Checking tokio-proto v0.1.1
Nov 28 13:22:28.655 INFO [stderr]     Checking hyper v0.11.27
Nov 28 13:22:35.779 INFO [stderr]  Documenting happy v0.1.1 (/source)
Nov 28 13:22:41.919 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.61s
Nov 28 13:22:41.939 INFO [stderr] su: No module specific data is present
Nov 28 13:22:42.343 INFO running `"docker" "inspect" "c1f4fa5151b245a2a486b52c0ea30b488db7d56a17aedc414315d76140f5491f"`
Nov 28 13:22:42.515 INFO running `"docker" "rm" "-f" "c1f4fa5151b245a2a486b52c0ea30b488db7d56a17aedc414315d76140f5491f"`
Nov 28 13:22:42.739 INFO [stdout] c1f4fa5151b245a2a486b52c0ea30b488db7d56a17aedc414315d76140f5491f