Aug 17 16:09:10.066 INFO checking nonblock-0.1.0 against master#142bb27373126edf8367f526358b6c72ecf1d8df for pr-53426
Aug 17 16:09:10.066 INFO running: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 16:09:10.066 INFO creating container for: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 16:09:10.066 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-53426/master#142bb27373126edf8367f526358b6c72ecf1d8df:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-6/master#142bb27373126edf8367f526358b6c72ecf1d8df:/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=500" "-e" "CMD=cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 17 16:09:10.246 INFO blam! 87aa6900c166169865927364d07b13157f077bf2e946f5a7bb1addeb18c6dd63
Aug 17 16:09:10.249 INFO running `"docker" "start" "-a" "87aa6900c166169865927364d07b13157f077bf2e946f5a7bb1addeb18c6dd63"`
Aug 17 16:09:11.956 INFO kablam!     Checking nonblock v0.1.0 (file:///source)
Aug 17 16:09:11.959 INFO kablam!     Checking chrono v0.2.25
Aug 17 16:09:17.611 INFO kablam! error[E0277]: the trait bound `chrono::DateTime<chrono::UTC>: serde::ser::Serialize` is not satisfied
Aug 17 16:09:17.611 INFO kablam!   --> examples/structure-stdio.rs:49:30
Aug 17 16:09:17.611 INFO kablam!    |
Aug 17 16:09:17.611 INFO kablam! 49 |                             .insert("time", time);
Aug 17 16:09:17.611 INFO kablam!    |                              ^^^^^^ the trait `serde::ser::Serialize` is not implemented for `chrono::DateTime<chrono::UTC>`
Aug 17 16:09:17.612 INFO kablam! 
Aug 17 16:09:17.623 INFO kablam! error: aborting due to previous error
Aug 17 16:09:17.624 INFO kablam! 
Aug 17 16:09:17.625 INFO kablam! For more information about this error, try `rustc --explain E0277`.
Aug 17 16:09:17.640 INFO kablam! error: Could not compile `nonblock`.
Aug 17 16:09:17.640 INFO kablam! 
Aug 17 16:09:17.640 INFO kablam! To learn more, run the command again with --verbose.
Aug 17 16:09:17.640 INFO kablam! su: No module specific data is present
Aug 17 16:09:18.114 INFO running `"docker" "rm" "-f" "87aa6900c166169865927364d07b13157f077bf2e946f5a7bb1addeb18c6dd63"`
Aug 17 16:09:18.320 INFO blam! 87aa6900c166169865927364d07b13157f077bf2e946f5a7bb1addeb18c6dd63