Jul 12 03:23:43.914 INFO checking nonblock-0.1.0 against master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9 for pr-52234
Jul 12 03:23:43.914 INFO running: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 12 03:23:43.914 INFO creating container for: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 12 03:23:43.914 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-52234/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-2/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/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 +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 12 03:23:44.115 INFO blam! f9b3a05035f9ac52a3a6a425e6024b51c90e9cb9490a224a5a49f22b89b702a2
Jul 12 03:23:44.117 INFO running `"docker" "start" "-a" "f9b3a05035f9ac52a3a6a425e6024b51c90e9cb9490a224a5a49f22b89b702a2"`
Jul 12 03:23:45.478 INFO kablam!     Checking nonblock v0.1.0 (file:///source)
Jul 12 03:23:45.489 INFO kablam!     Checking chrono v0.2.25
Jul 12 03:23:49.867 INFO kablam! error[E0277]: the trait bound `chrono::DateTime<chrono::UTC>: serde::ser::Serialize` is not satisfied
Jul 12 03:23:49.867 INFO kablam!   --> examples/structure-stdio.rs:49:30
Jul 12 03:23:49.867 INFO kablam!    |
Jul 12 03:23:49.867 INFO kablam! 49 |                             .insert("time", time);
Jul 12 03:23:49.867 INFO kablam!    |                              ^^^^^^ the trait `serde::ser::Serialize` is not implemented for `chrono::DateTime<chrono::UTC>`
Jul 12 03:23:49.867 INFO kablam! 
Jul 12 03:23:49.880 INFO kablam! error: aborting due to previous error
Jul 12 03:23:49.880 INFO kablam! 
Jul 12 03:23:49.880 INFO kablam! For more information about this error, try `rustc --explain E0277`.
Jul 12 03:23:49.893 INFO kablam! error: Could not compile `nonblock`.
Jul 12 03:23:49.893 INFO kablam! 
Jul 12 03:23:49.893 INFO kablam! To learn more, run the command again with --verbose.
Jul 12 03:23:49.894 INFO kablam! su: No module specific data is present
Jul 12 03:23:50.507 INFO running `"docker" "rm" "-f" "f9b3a05035f9ac52a3a6a425e6024b51c90e9cb9490a224a5a49f22b89b702a2"`
Jul 12 03:23:50.688 INFO blam! f9b3a05035f9ac52a3a6a425e6024b51c90e9cb9490a224a5a49f22b89b702a2