Sep 21 06:28:37.107 INFO checking nonblock-0.1.0 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 06:28:37.107 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 06:28:37.107 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-2/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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 +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 06:28:37.244 INFO blam! 3b1bf0dfd610ac2a3d1a4daa37e1ccc9902c8a26ddda8c1b79d580478a9660c1
Sep 21 06:28:37.246 INFO running `"docker" "start" "-a" "3b1bf0dfd610ac2a3d1a4daa37e1ccc9902c8a26ddda8c1b79d580478a9660c1"`
Sep 21 06:28:38.163 INFO kablam! usermod: no changes
Sep 21 06:28:38.204 INFO kablam!     Checking nonblock v0.1.0 (/source)
Sep 21 06:28:38.205 INFO kablam!     Checking chrono v0.2.25
Sep 21 06:28:40.134 INFO kablam! error[E0277]: the trait bound `chrono::DateTime<chrono::UTC>: serde::ser::Serialize` is not satisfied
Sep 21 06:28:40.134 INFO kablam!   --> examples/structure-stdio.rs:49:30
Sep 21 06:28:40.134 INFO kablam!    |
Sep 21 06:28:40.135 INFO kablam! 49 |                             .insert("time", time);
Sep 21 06:28:40.135 INFO kablam!    |                              ^^^^^^ the trait `serde::ser::Serialize` is not implemented for `chrono::DateTime<chrono::UTC>`
Sep 21 06:28:40.135 INFO kablam! 
Sep 21 06:28:40.135 INFO kablam! error: aborting due to previous error
Sep 21 06:28:40.135 INFO kablam! 
Sep 21 06:28:40.135 INFO kablam! For more information about this error, try `rustc --explain E0277`.
Sep 21 06:28:40.138 INFO kablam! error: Could not compile `nonblock`.
Sep 21 06:28:40.138 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 21 06:28:40.159 INFO kablam! error: build failed
Sep 21 06:28:40.159 INFO kablam! su: No module specific data is present
Sep 21 06:28:40.744 INFO running `"docker" "rm" "-f" "3b1bf0dfd610ac2a3d1a4daa37e1ccc9902c8a26ddda8c1b79d580478a9660c1"`
Sep 21 06:28:40.798 INFO blam! 3b1bf0dfd610ac2a3d1a4daa37e1ccc9902c8a26ddda8c1b79d580478a9660c1