Nov 27 23:36:16.545 INFO documenting danielpclark/bench_ruby_ffi_example against try#f5a0bd723553ea4b7556bd7087b9f0919cafb483 for pr-55318
Nov 27 23:36:16.547 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318/worker-1/try#f5a0bd723553ea4b7556bd7087b9f0919cafb483:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55318/try#f5a0bd723553ea4b7556bd7087b9f0919cafb483:/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 +f5a0bd723553ea4b7556bd7087b9f0919cafb483-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 27 23:36:16.880 INFO [stdout] 3269e14c6bbcc37bd0e40e3155c46901711c28e59231cce732c1f7a3eada1a79
Nov 27 23:36:16.887 INFO running `"docker" "start" "-a" "3269e14c6bbcc37bd0e40e3155c46901711c28e59231cce732c1f7a3eada1a79"`
Nov 27 23:36:17.991 INFO [stderr] usermod: no changes
Nov 27 23:36:18.100 INFO [stderr]    Compiling ruby-sys v0.2.20
Nov 27 23:36:18.100 INFO [stderr]     Checking array_tool v0.4.1
Nov 27 23:36:19.613 INFO [stderr]     Checking ruru v0.9.3
Nov 27 23:36:20.287 INFO [stderr]  Documenting ffi_example v0.0.1 (/source)
Nov 27 23:36:22.134 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.10s
Nov 27 23:36:22.138 INFO [stderr] su: No module specific data is present
Nov 27 23:36:23.250 INFO running `"docker" "inspect" "3269e14c6bbcc37bd0e40e3155c46901711c28e59231cce732c1f7a3eada1a79"`
Nov 27 23:36:23.513 INFO running `"docker" "rm" "-f" "3269e14c6bbcc37bd0e40e3155c46901711c28e59231cce732c1f7a3eada1a79"`
Nov 27 23:36:23.771 INFO [stdout] 3269e14c6bbcc37bd0e40e3155c46901711c28e59231cce732c1f7a3eada1a79