Dec 01 21:22:29.886 INFO documenting RobotDisco/rust_chat against try#f86f76f89ea2b1ccbfb3741962ec2029d878a389 for pr-55318-1
Dec 01 21:22:29.886 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318-1/worker-0/try#f86f76f89ea2b1ccbfb3741962ec2029d878a389:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 01 21:22:30.328 INFO [stdout] 79d28dd7d9b763a94f437022ca4329aa44d66ee1405f124735759cb2be4a4397
Dec 01 21:22:30.334 INFO running `"docker" "start" "-a" "79d28dd7d9b763a94f437022ca4329aa44d66ee1405f124735759cb2be4a4397"`
Dec 01 21:22:32.151 INFO [stderr] usermod: no changes
Dec 01 21:22:32.340 INFO [stderr]     Checking net2 v0.2.33
Dec 01 21:22:32.340 INFO [stderr]    Compiling http-muncher v0.2.5
Dec 01 21:22:32.340 INFO [stderr]     Checking sha1 v0.1.1
Dec 01 21:22:34.052 INFO [stderr]     Checking miow v0.1.5
Dec 01 21:22:34.524 INFO [stderr]     Checking mio v0.5.1
Dec 01 21:22:36.228 INFO [stderr]  Documenting chat v0.1.0 (/source)
Dec 01 21:22:38.811 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.63s
Dec 01 21:22:38.812 INFO [stderr] su: No module specific data is present
Dec 01 21:22:39.218 INFO running `"docker" "inspect" "79d28dd7d9b763a94f437022ca4329aa44d66ee1405f124735759cb2be4a4397"`
Dec 01 21:22:39.366 INFO running `"docker" "rm" "-f" "79d28dd7d9b763a94f437022ca4329aa44d66ee1405f124735759cb2be4a4397"`
Dec 01 21:22:39.599 INFO [stdout] 79d28dd7d9b763a94f437022ca4329aa44d66ee1405f124735759cb2be4a4397