Sep 17 20:46:53.641 INFO checking nonblock-0.1.0 against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 17 20:46:53.641 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 17 20:46:53.641 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-1/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/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 +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 20:46:53.787 INFO blam! de8b8d81d2f070d9837c5b94ba4c1d100662168d62ee3b68bf309a587f64039f
Sep 17 20:46:53.789 INFO running `"docker" "start" "-a" "de8b8d81d2f070d9837c5b94ba4c1d100662168d62ee3b68bf309a587f64039f"`
Sep 17 20:46:54.496 INFO kablam! usermod: no changes
Sep 17 20:46:54.586 INFO kablam!     Checking nonblock v0.1.0 (/source)
Sep 17 20:46:54.586 INFO kablam!     Checking serde_json v0.7.4
Sep 17 20:46:54.586 INFO kablam!     Checking chrono v0.2.25
Sep 17 20:46:56.654 INFO kablam! error[E0277]: the trait bound `chrono::DateTime<chrono::UTC>: serde::ser::Serialize` is not satisfied
Sep 17 20:46:56.655 INFO kablam!   --> examples/structure-stdio.rs:49:30
Sep 17 20:46:56.655 INFO kablam!    |
Sep 17 20:46:56.655 INFO kablam! 49 |                             .insert("time", time);
Sep 17 20:46:56.655 INFO kablam!    |                              ^^^^^^ the trait `serde::ser::Serialize` is not implemented for `chrono::DateTime<chrono::UTC>`
Sep 17 20:46:56.655 INFO kablam! 
Sep 17 20:46:56.659 INFO kablam! error: aborting due to previous error
Sep 17 20:46:56.659 INFO kablam! 
Sep 17 20:46:56.659 INFO kablam! For more information about this error, try `rustc --explain E0277`.
Sep 17 20:46:56.663 INFO kablam! error: Could not compile `nonblock`.
Sep 17 20:46:56.663 INFO kablam! 
Sep 17 20:46:56.664 INFO kablam! To learn more, run the command again with --verbose.
Sep 17 20:46:56.667 INFO kablam! su: No module specific data is present
Sep 17 20:46:57.331 INFO running `"docker" "rm" "-f" "de8b8d81d2f070d9837c5b94ba4c1d100662168d62ee3b68bf309a587f64039f"`
Sep 17 20:46:57.397 INFO blam! de8b8d81d2f070d9837c5b94ba4c1d100662168d62ee3b68bf309a587f64039f