Sep 19 21:44:54.536 INFO checking nonblock-0.1.0 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 19 21:44:54.536 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 19 21:44:54.536 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-1/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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 +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 21:44:54.717 INFO blam! 3503860f7bd4c2d21e8f1bd133585b7bd88124842834ecebcc4f821b08275c8d
Sep 19 21:44:54.720 INFO running `"docker" "start" "-a" "3503860f7bd4c2d21e8f1bd133585b7bd88124842834ecebcc4f821b08275c8d"`
Sep 19 21:44:55.489 INFO kablam! usermod: no changes
Sep 19 21:44:55.568 INFO kablam!     Checking nonblock v0.1.0 (/source)
Sep 19 21:44:55.569 INFO kablam!     Checking chrono v0.2.25
Sep 19 21:44:57.544 INFO kablam! error[E0277]: the trait bound `chrono::DateTime<chrono::UTC>: serde::ser::Serialize` is not satisfied
Sep 19 21:44:57.544 INFO kablam!   --> examples/structure-stdio.rs:49:30
Sep 19 21:44:57.544 INFO kablam!    |
Sep 19 21:44:57.544 INFO kablam! 49 |                             .insert("time", time);
Sep 19 21:44:57.544 INFO kablam!    |                              ^^^^^^ the trait `serde::ser::Serialize` is not implemented for `chrono::DateTime<chrono::UTC>`
Sep 19 21:44:57.544 INFO kablam! 
Sep 19 21:44:57.548 INFO kablam! error: aborting due to previous error
Sep 19 21:44:57.548 INFO kablam! 
Sep 19 21:44:57.548 INFO kablam! For more information about this error, try `rustc --explain E0277`.
Sep 19 21:44:57.555 INFO kablam! error: Could not compile `nonblock`.
Sep 19 21:44:57.555 INFO kablam! 
Sep 19 21:44:57.555 INFO kablam! To learn more, run the command again with --verbose.
Sep 19 21:44:57.557 INFO kablam! su: No module specific data is present
Sep 19 21:44:58.167 INFO running `"docker" "rm" "-f" "3503860f7bd4c2d21e8f1bd133585b7bd88124842834ecebcc4f821b08275c8d"`
Sep 19 21:44:58.225 INFO blam! 3503860f7bd4c2d21e8f1bd133585b7bd88124842834ecebcc4f821b08275c8d