Dec 02 06:57:25.849 INFO documenting happy-0.1.1 against try#f86f76f89ea2b1ccbfb3741962ec2029d878a389 for pr-55318-1
Dec 02 06:57:25.849 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318-1/worker-5/try#f86f76f89ea2b1ccbfb3741962ec2029d878a389:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55318-1/try#f86f76f89ea2b1ccbfb3741962ec2029d878a389:/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 +f86f76f89ea2b1ccbfb3741962ec2029d878a389-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 06:57:26.325 INFO [stdout] 08cf1500a9fe1ac64cc1a6c189bd14153e2b3aafbf31c03ad6410be65ca701d6
Dec 02 06:57:26.334 INFO running `"docker" "start" "-a" "08cf1500a9fe1ac64cc1a6c189bd14153e2b3aafbf31c03ad6410be65ca701d6"`
Dec 02 06:57:28.094 INFO [stderr] usermod: no changes
Dec 02 06:57:28.608 INFO [stderr]     Checking combine v2.4.0
Dec 02 06:57:28.640 INFO [stderr]     Checking tokio-proto v0.1.1
Dec 02 06:57:35.090 INFO [stderr]     Checking hyper v0.11.27
Dec 02 06:57:41.765 INFO [stderr]  Documenting happy v0.1.1 (/source)
Dec 02 06:57:47.992 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.86s
Dec 02 06:57:48.011 INFO [stderr] su: No module specific data is present
Dec 02 06:57:48.333 INFO running `"docker" "inspect" "08cf1500a9fe1ac64cc1a6c189bd14153e2b3aafbf31c03ad6410be65ca701d6"`
Dec 02 06:57:48.440 INFO running `"docker" "rm" "-f" "08cf1500a9fe1ac64cc1a6c189bd14153e2b3aafbf31c03ad6410be65ca701d6"`
Dec 02 06:57:48.527 INFO [stdout] 08cf1500a9fe1ac64cc1a6c189bd14153e2b3aafbf31c03ad6410be65ca701d6