Sep 21 06:28:37.296 INFO checking nonblock-0.1.0 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 06:28:37.296 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 06:28:37.296 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-6/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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 +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 06:28:37.421 INFO blam! bdd9c944d73bdc03f13444d02458e8cce970b4d65b31e9f3ba7263e77a6c8c05
Sep 21 06:28:37.426 INFO running `"docker" "start" "-a" "bdd9c944d73bdc03f13444d02458e8cce970b4d65b31e9f3ba7263e77a6c8c05"`
Sep 21 06:28:38.456 INFO kablam! usermod: no changes
Sep 21 06:28:38.522 INFO kablam!     Checking nonblock v0.1.0 (/source)
Sep 21 06:28:38.526 INFO kablam!     Checking chrono v0.2.25
Sep 21 06:28:40.504 INFO kablam! error[E0277]: the trait bound `chrono::DateTime<chrono::UTC>: serde::ser::Serialize` is not satisfied
Sep 21 06:28:40.504 INFO kablam!   --> examples/structure-stdio.rs:49:30
Sep 21 06:28:40.504 INFO kablam!    |
Sep 21 06:28:40.504 INFO kablam! 49 |                             .insert("time", time);
Sep 21 06:28:40.504 INFO kablam!    |                              ^^^^^^ the trait `serde::ser::Serialize` is not implemented for `chrono::DateTime<chrono::UTC>`
Sep 21 06:28:40.504 INFO kablam! 
Sep 21 06:28:40.507 INFO kablam! error: aborting due to previous error
Sep 21 06:28:40.507 INFO kablam! 
Sep 21 06:28:40.507 INFO kablam! For more information about this error, try `rustc --explain E0277`.
Sep 21 06:28:40.514 INFO kablam! error: Could not compile `nonblock`.
Sep 21 06:28:40.514 INFO kablam! 
Sep 21 06:28:40.514 INFO kablam! To learn more, run the command again with --verbose.
Sep 21 06:28:40.515 INFO kablam! su: No module specific data is present
Sep 21 06:28:41.032 INFO running `"docker" "rm" "-f" "bdd9c944d73bdc03f13444d02458e8cce970b4d65b31e9f3ba7263e77a6c8c05"`
Sep 21 06:28:41.105 INFO blam! bdd9c944d73bdc03f13444d02458e8cce970b4d65b31e9f3ba7263e77a6c8c05