Dec 02 03:17:50.984 INFO documenting rusty-driver-0.1.2 against try#f86f76f89ea2b1ccbfb3741962ec2029d878a389 for pr-55318-1
Dec 02 03:17:50.984 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318-1/worker-6/try#f86f76f89ea2b1ccbfb3741962ec2029d878a389:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 03:17:51.240 INFO [stdout] 1e5d3191142d8296901ee6fafd7b70f981837d811548d0e95dceb0b8d976873f
Dec 02 03:17:51.242 INFO running `"docker" "start" "-a" "1e5d3191142d8296901ee6fafd7b70f981837d811548d0e95dceb0b8d976873f"`
Dec 02 03:17:52.052 INFO [stderr] usermod: no changes
Dec 02 03:17:52.460 INFO [stderr]    Compiling proc-macro2 v0.4.24
Dec 02 03:17:52.468 INFO [stderr]     Checking futures-await-await-macro v0.1.1
Dec 02 03:17:52.472 INFO [stderr]     Checking cookie v0.10.1
Dec 02 03:17:54.095 INFO [stderr]     Checking webdriver v0.36.0
Dec 02 03:17:59.227 INFO [stderr]    Compiling quote v0.6.10
Dec 02 03:18:02.008 INFO [stderr]    Compiling syn v0.14.9
Dec 02 03:18:21.561 INFO [stderr]    Compiling futures-await-async-macro v0.1.4
Dec 02 03:18:28.169 INFO [stderr]     Checking futures-await v0.1.1
Dec 02 03:18:28.570 INFO [stderr]  Documenting rusty-driver v0.1.2 (/source)
Dec 02 03:18:28.672 INFO [stderr] error[E0557]: feature has been removed
Dec 02 03:18:28.672 INFO [stderr]   --> src/lib.rs:10:12
Dec 02 03:18:28.672 INFO [stderr]    |
Dec 02 03:18:28.672 INFO [stderr] 10 | #![feature(proc_macro_non_items, generators, nll)]
Dec 02 03:18:28.672 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^
Dec 02 03:18:28.672 INFO [stderr]    |
Dec 02 03:18:28.672 INFO [stderr] note: subsumed by `#![feature(proc_macro_hygiene)]`
Dec 02 03:18:28.672 INFO [stderr]   --> src/lib.rs:10:12
Dec 02 03:18:28.672 INFO [stderr]    |
Dec 02 03:18:28.672 INFO [stderr] 10 | #![feature(proc_macro_non_items, generators, nll)]
Dec 02 03:18:28.672 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^
Dec 02 03:18:28.672 INFO [stderr] 
Dec 02 03:18:32.384 INFO [stderr] error[E0658]: procedural macros cannot be expanded to expressions (see issue #54727)
Dec 02 03:18:32.384 INFO [stderr]   --> src/protocol.rs:51:23
Dec 02 03:18:32.384 INFO [stderr]    |
Dec 02 03:18:32.384 INFO [stderr] 51 |                   spawn(async_block! {
Dec 02 03:18:32.384 INFO [stderr]    |  _______________________^
Dec 02 03:18:32.384 INFO [stderr] 52 | |                     let _ = await!(http.request(req));
Dec 02 03:18:32.384 INFO [stderr] 53 | |                     Ok(())
Dec 02 03:18:32.384 INFO [stderr] 54 | |                 });
Dec 02 03:18:32.384 INFO [stderr]    | |_________________^
Dec 02 03:18:32.384 INFO [stderr]    |
Dec 02 03:18:32.384 INFO [stderr]    = help: add #![feature(proc_macro_hygiene)] to the crate attributes to enable
Dec 02 03:18:32.384 INFO [stderr] 
Dec 02 03:18:32.616 INFO [stderr] error: Could not document `rusty-driver`.
Dec 02 03:18:32.616 INFO [stderr] 
Dec 02 03:18:32.616 INFO [stderr] Caused by:
Dec 02 03:18:32.616 INFO [stderr]   process didn't exit successfully: `rustdoc --crate-name rusty_driver src/lib.rs --color never -o /target/doc --document-private-items -L dependency=/target/debug/deps --extern error_chain=/target/debug/deps/liberror_chain-3b377058890329af.rmeta --extern futures_await=/target/debug/deps/libfutures_await-ae4ff9671c5eb08e.rmeta --extern http=/target/debug/deps/libhttp-165cb2ae03996f52.rmeta --extern hyper=/target/debug/deps/libhyper-48fca19ff0fbda95.rmeta --extern hyper_tls=/target/debug/deps/libhyper_tls-6f947ae4f7bf178d.rmeta --extern rustc_serialize=/target/debug/deps/librustc_serialize-9d63b9849120ecd5.rmeta --extern tokio=/target/debug/deps/libtokio-d1a582097b194292.rmeta --extern tokio_timer=/target/debug/deps/libtokio_timer-fbb434356364e32c.rmeta --extern url=/target/debug/deps/liburl-00ad73473d2e8254.rmeta --extern webdriver=/target/debug/deps/libwebdriver-fe1046e65b45e63e.rmeta --cap-lints=forbid` (exit code: 1)
Dec 02 03:18:32.617 INFO [stderr] su: No module specific data is present
Dec 02 03:18:33.239 INFO running `"docker" "inspect" "1e5d3191142d8296901ee6fafd7b70f981837d811548d0e95dceb0b8d976873f"`
Dec 02 03:18:33.407 INFO running `"docker" "rm" "-f" "1e5d3191142d8296901ee6fafd7b70f981837d811548d0e95dceb0b8d976873f"`
Dec 02 03:18:33.756 INFO [stdout] 1e5d3191142d8296901ee6fafd7b70f981837d811548d0e95dceb0b8d976873f