Sep 06 05:08:28.836 INFO checking irc-channel-0.1.1 against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 06 05:08:28.836 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 06 05:08:28.836 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-7/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 05:08:29.025 INFO blam! ce9160af074aed81262f20b2320ef44dd23e979e01802dcb0cd8626d81b30a45
Sep 06 05:08:29.026 INFO running `"docker" "start" "-a" "ce9160af074aed81262f20b2320ef44dd23e979e01802dcb0cd8626d81b30a45"`
Sep 06 05:08:29.640 INFO kablam! usermod: no changes
Sep 06 05:08:29.662 INFO kablam!     Checking many2many v0.0.2
Sep 06 05:08:29.662 INFO kablam!     Checking irc_message v1.0.0
Sep 06 05:08:29.986 INFO kablam!     Checking irc-channel v0.1.1 (file:///source)
Sep 06 05:08:30.597 INFO kablam! error[E0658]: macro select! is unstable (see issue #27800)
Sep 06 05:08:30.597 INFO kablam!   --> examples/basic_client.rs:39:9
Sep 06 05:08:30.597 INFO kablam!    |
Sep 06 05:08:30.598 INFO kablam! 39 | /         select!{
Sep 06 05:08:30.598 INFO kablam! 40 | |             message = irc_recv.recv() => {
Sep 06 05:08:30.598 INFO kablam! 41 | |                 if let Ok(m) = message {
Sep 06 05:08:30.598 INFO kablam! 42 | |                     println!("{}", m.raw);
Sep 06 05:08:30.598 INFO kablam! ...  |
Sep 06 05:08:30.598 INFO kablam! 56 | |             }
Sep 06 05:08:30.598 INFO kablam! 57 | |         }
Sep 06 05:08:30.598 INFO kablam!    | |_________^
Sep 06 05:08:30.598 INFO kablam!    |
Sep 06 05:08:30.598 INFO kablam!    = help: add #![feature(mpsc_select)] to the crate attributes to enable
Sep 06 05:08:30.598 INFO kablam! 
Sep 06 05:08:30.598 INFO kablam! error: aborting due to previous error
Sep 06 05:08:30.598 INFO kablam! 
Sep 06 05:08:30.598 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 06 05:08:30.607 INFO kablam! error: Could not compile `irc-channel`.
Sep 06 05:08:30.607 INFO kablam! 
Sep 06 05:08:30.607 INFO kablam! To learn more, run the command again with --verbose.
Sep 06 05:08:30.608 INFO kablam! su: No module specific data is present
Sep 06 05:08:31.488 INFO running `"docker" "rm" "-f" "ce9160af074aed81262f20b2320ef44dd23e979e01802dcb0cd8626d81b30a45"`
Sep 06 05:08:31.614 INFO blam! ce9160af074aed81262f20b2320ef44dd23e979e01802dcb0cd8626d81b30a45