Dec 01 22:55:56.885 INFO documenting Ikatyan/using-crates against try#f86f76f89ea2b1ccbfb3741962ec2029d878a389 for pr-55318-1
Dec 01 22:55:56.885 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318-1/worker-2/try#f86f76f89ea2b1ccbfb3741962ec2029d878a389:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 22:55:57.321 INFO [stdout] a5120df843ed7725f5712cb1d674574236e3bd24a8e29e28604b97b1fbde2cfc
Dec 01 22:55:57.323 INFO running `"docker" "start" "-a" "a5120df843ed7725f5712cb1d674574236e3bd24a8e29e28604b97b1fbde2cfc"`
Dec 01 22:55:58.257 INFO [stderr] usermod: no changes
Dec 01 22:55:58.442 INFO [stderr]    Compiling serde v1.0.70
Dec 01 22:55:58.448 INFO [stderr]     Checking env_logger v0.5.10
Dec 01 22:56:10.386 INFO [stderr]     Checking serde_json v1.0.24
Dec 01 22:56:12.710 INFO [stderr]  Documenting using_libraries v0.1.0 (/source)
Dec 01 22:56:19.572 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.29s
Dec 01 22:56:19.581 INFO [stderr] su: No module specific data is present
Dec 01 22:56:20.216 INFO running `"docker" "inspect" "a5120df843ed7725f5712cb1d674574236e3bd24a8e29e28604b97b1fbde2cfc"`
Dec 01 22:56:20.375 INFO running `"docker" "rm" "-f" "a5120df843ed7725f5712cb1d674574236e3bd24a8e29e28604b97b1fbde2cfc"`
Dec 01 22:56:20.505 INFO [stdout] a5120df843ed7725f5712cb1d674574236e3bd24a8e29e28604b97b1fbde2cfc