Oct 12 11:07:45.021 INFO checking vorner/corona against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 11:07:45.022 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-2/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 12 11:07:45.392 INFO blam! 72ec995e4fa006775b8b3db8320d9ea8742d51c8bba3b4771a20a154e591aa3a
Oct 12 11:07:45.396 INFO running `"docker" "start" "-a" "72ec995e4fa006775b8b3db8320d9ea8742d51c8bba3b4771a20a154e591aa3a"`
Oct 12 11:07:46.611 INFO kablam! usermod: no changes
Oct 12 11:07:46.852 INFO kablam!    Compiling semver-parser v0.7.0
Oct 12 11:07:46.852 INFO kablam!    Compiling proc-macro2 v0.4.19
Oct 12 11:07:46.852 INFO kablam!    Compiling cc v1.0.24
Oct 12 11:07:46.852 INFO kablam!    Compiling pulldown-cmark v0.1.2
Oct 12 11:07:46.852 INFO kablam!     Checking unicode-xid v0.0.4
Oct 12 11:07:46.852 INFO kablam!     Checking quote v0.3.15
Oct 12 11:07:46.852 INFO kablam!     Checking futures-await-await-macro v0.1.1
Oct 12 11:07:47.556 INFO kablam!     Checking crossbeam v0.3.2
Oct 12 11:07:48.692 INFO kablam!     Checking benchmarks v0.1.0 (/source/benchmarks)
Oct 12 11:07:48.714 INFO kablam!     Checking itertools v0.7.8
Oct 12 11:07:48.714 INFO kablam!     Checking nix v0.9.0
Oct 12 11:07:48.764 INFO kablam!     Checking synom v0.11.3
Oct 12 11:07:51.792 INFO kablam!     Checking syn v0.11.11
Oct 12 11:07:52.048 INFO kablam!    Compiling semver v0.9.0
Oct 12 11:07:59.198 INFO kablam!    Compiling rustc_version v0.2.3
Oct 12 11:08:01.001 INFO kablam!    Compiling context v2.1.0
Oct 12 11:08:02.972 INFO kablam!    Compiling parking_lot_core v0.3.1
Oct 12 11:08:04.977 INFO kablam!    Compiling may_queue v0.1.2
Oct 12 11:08:05.012 INFO kablam!    Compiling generator v0.6.10
Oct 12 11:08:05.152 INFO kablam!    Compiling may v0.2.0
Oct 12 11:08:05.512 INFO kablam!    Compiling quote v0.6.8
Oct 12 11:08:09.428 INFO kablam!     Checking parking_lot v0.6.4
Oct 12 11:08:10.767 INFO kablam!    Compiling syn v0.14.9
Oct 12 11:08:11.174 INFO kablam!     Checking tokio-reactor v0.1.5
Oct 12 11:08:12.449 INFO kablam!     Checking version-sync v0.5.0
Oct 12 11:08:14.046 INFO kablam!     Checking tokio-tcp v0.1.1
Oct 12 11:08:14.046 INFO kablam!     Checking tokio-uds v0.2.1
Oct 12 11:08:14.046 INFO kablam!     Checking tokio-udp v0.1.2
Oct 12 11:08:15.057 INFO kablam!     Checking tokio v0.1.8
Oct 12 11:08:16.677 INFO kablam!     Checking corona v0.4.0 (/source)
Oct 12 11:08:33.702 INFO kablam!    Compiling futures-await-async-macro v0.1.4
Oct 12 11:08:39.956 INFO kablam!     Checking futures-await v0.1.1
Oct 12 11:08:40.420 INFO kablam! error[E0557]: feature has been removed
Oct 12 11:08:40.421 INFO kablam!  --> benchmarks/benches/compare_methods.rs:1:24
Oct 12 11:08:40.422 INFO kablam!   |
Oct 12 11:08:40.422 INFO kablam! 1 | #![feature(generators, proc_macro_non_items, test)]
Oct 12 11:08:40.423 INFO kablam!   |                        ^^^^^^^^^^^^^^^^^^^^
Oct 12 11:08:40.423 INFO kablam!   |
Oct 12 11:08:40.423 INFO kablam! note: subsumed by `#![feature(proc_macro_hygiene)]`
Oct 12 11:08:40.424 INFO kablam!  --> benchmarks/benches/compare_methods.rs:1:24
Oct 12 11:08:40.428 INFO kablam!   |
Oct 12 11:08:40.428 INFO kablam! 1 | #![feature(generators, proc_macro_non_items, test)]
Oct 12 11:08:40.429 INFO kablam!   |                        ^^^^^^^^^^^^^^^^^^^^
Oct 12 11:08:40.429 INFO kablam! 
Oct 12 11:08:40.888 INFO kablam! error[E0658]: procedural macros cannot be expanded to expressions (see issue #54727)
Oct 12 11:08:40.888 INFO kablam!    --> benchmarks/benches/compare_methods.rs:343:16
Oct 12 11:08:40.888 INFO kablam!     |
Oct 12 11:08:40.888 INFO kablam! 343 |       let main = async_block! {
Oct 12 11:08:40.888 INFO kablam!     |  ________________^
Oct 12 11:08:40.888 INFO kablam! 344 | |         #[async]
Oct 12 11:08:40.888 INFO kablam! 345 | |         for mut connection in incoming {
Oct 12 11:08:40.888 INFO kablam! 346 | |             let client = async_block! {
Oct 12 11:08:40.888 INFO kablam! ...   |
Oct 12 11:08:40.888 INFO kablam! 360 | |         Ok::<(), std::io::Error>(())
Oct 12 11:08:40.888 INFO kablam! 361 | |     }
Oct 12 11:08:40.888 INFO kablam!     | |_____^
Oct 12 11:08:40.888 INFO kablam!     |
Oct 12 11:08:40.888 INFO kablam!     = help: add #![feature(proc_macro_hygiene)] to the crate attributes to enable
Oct 12 11:08:40.888 INFO kablam! 
Oct 12 11:08:40.896 INFO kablam! error[E0658]: procedural macros cannot be expanded to expressions (see issue #54727)
Oct 12 11:08:40.896 INFO kablam!    --> benchmarks/benches/compare_methods.rs:346:26
Oct 12 11:08:40.896 INFO kablam!     |
Oct 12 11:08:40.896 INFO kablam! 346 |               let client = async_block! {
Oct 12 11:08:40.896 INFO kablam!     |  __________________________^
Oct 12 11:08:40.896 INFO kablam! 347 | |                     let mut buf = vec![0u8; BUF_SIZE];
Oct 12 11:08:40.896 INFO kablam! 348 | |                     for _ in 0..*EXCHANGES {
Oct 12 11:08:40.896 INFO kablam! 349 | |                         let (c, b) = await!(io::read_exact(connection, buf))?;
Oct 12 11:08:40.896 INFO kablam! ...   |
Oct 12 11:08:40.896 INFO kablam! 354 | |                     Ok(())
Oct 12 11:08:40.896 INFO kablam! 355 | |                 }
Oct 12 11:08:40.896 INFO kablam!     | |_________________^
Oct 12 11:08:40.896 INFO kablam!     |
Oct 12 11:08:40.896 INFO kablam!     = help: add #![feature(proc_macro_hygiene)] to the crate attributes to enable
Oct 12 11:08:40.896 INFO kablam! 
Oct 12 11:08:40.904 INFO kablam! error[E0658]: procedural macros cannot be expanded to expressions (see issue #54727)
Oct 12 11:08:40.904 INFO kablam!    --> benchmarks/benches/compare_methods.rs:399:16
Oct 12 11:08:40.904 INFO kablam!     |
Oct 12 11:08:40.904 INFO kablam! 399 |       let main = async_block! {
Oct 12 11:08:40.904 INFO kablam!     |  ________________^
Oct 12 11:08:40.904 INFO kablam! 400 | |         #[async]
Oct 12 11:08:40.904 INFO kablam! 401 | |         for mut connection in incoming {
Oct 12 11:08:40.904 INFO kablam! 402 | |             let client = async_block! {
Oct 12 11:08:40.904 INFO kablam! ...   |
Oct 12 11:08:40.904 INFO kablam! 419 | |         Ok::<_, std::io::Error>(())
Oct 12 11:08:40.904 INFO kablam! 420 | |     };
Oct 12 11:08:40.904 INFO kablam!     | |_____^
Oct 12 11:08:40.904 INFO kablam!     |
Oct 12 11:08:40.904 INFO kablam!     = help: add #![feature(proc_macro_hygiene)] to the crate attributes to enable
Oct 12 11:08:40.904 INFO kablam! 
Oct 12 11:08:40.932 INFO kablam! error[E0658]: procedural macros cannot be expanded to expressions (see issue #54727)
Oct 12 11:08:40.932 INFO kablam!    --> benchmarks/benches/compare_methods.rs:402:26
Oct 12 11:08:40.932 INFO kablam!     |
Oct 12 11:08:40.932 INFO kablam! 402 |               let client = async_block! {
Oct 12 11:08:40.932 INFO kablam!     |  __________________________^
Oct 12 11:08:40.932 INFO kablam! 403 | |                     let mut buf = vec![0u8; BUF_SIZE];
Oct 12 11:08:40.932 INFO kablam! 404 | |                     for _ in 0..*EXCHANGES {
Oct 12 11:08:40.932 INFO kablam! 405 | |                         let (c, b) = await!(io::read_exact(connection, buf))?;
Oct 12 11:08:40.932 INFO kablam! ...   |
Oct 12 11:08:40.932 INFO kablam! 410 | |                     Ok(())
Oct 12 11:08:40.932 INFO kablam! 411 | |                 }
Oct 12 11:08:40.932 INFO kablam!     | |_________________^
Oct 12 11:08:40.932 INFO kablam!     |
Oct 12 11:08:40.932 INFO kablam!     = help: add #![feature(proc_macro_hygiene)] to the crate attributes to enable
Oct 12 11:08:40.932 INFO kablam! 
Oct 12 11:08:40.940 INFO kablam! error: aborting due to 5 previous errors
Oct 12 11:08:40.940 INFO kablam! 
Oct 12 11:08:40.940 INFO kablam! Some errors occurred: E0557, E0658.
Oct 12 11:08:40.940 INFO kablam! For more information about an error, try `rustc --explain E0557`.
Oct 12 11:08:40.948 INFO kablam! error: Could not compile `benchmarks`.
Oct 12 11:08:40.948 INFO kablam! 
Oct 12 11:08:40.948 INFO kablam! To learn more, run the command again with --verbose.
Oct 12 11:08:40.948 INFO kablam! su: No module specific data is present
Oct 12 11:08:41.616 INFO running `"docker" "rm" "-f" "72ec995e4fa006775b8b3db8320d9ea8742d51c8bba3b4771a20a154e591aa3a"`
Oct 12 11:08:41.873 INFO blam! 72ec995e4fa006775b8b3db8320d9ea8742d51c8bba3b4771a20a154e591aa3a