Sep 10 13:57:15.809 INFO checking nonblock-0.1.0 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 13:57:15.809 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 13:57:15.809 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-3/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 13:57:16.020 INFO blam! 9a6c9bc6f2ca67277825cda2922bb9d119584ce2c4b6516ed9a7552f4c21701b
Sep 10 13:57:16.022 INFO running `"docker" "start" "-a" "9a6c9bc6f2ca67277825cda2922bb9d119584ce2c4b6516ed9a7552f4c21701b"`
Sep 10 13:57:17.277 INFO kablam! usermod: no changes
Sep 10 13:57:17.316 INFO kablam!     Checking nonblock v0.1.0 (file:///source)
Sep 10 13:57:17.316 INFO kablam!     Checking chrono v0.2.25
Sep 10 13:57:19.511 INFO kablam! error[E0277]: the trait bound `chrono::DateTime<chrono::UTC>: serde::ser::Serialize` is not satisfied
Sep 10 13:57:19.511 INFO kablam!   --> examples/structure-stdio.rs:49:30
Sep 10 13:57:19.511 INFO kablam!    |
Sep 10 13:57:19.511 INFO kablam! 49 |                             .insert("time", time);
Sep 10 13:57:19.512 INFO kablam!    |                              ^^^^^^ the trait `serde::ser::Serialize` is not implemented for `chrono::DateTime<chrono::UTC>`
Sep 10 13:57:19.512 INFO kablam! 
Sep 10 13:57:19.518 INFO kablam! error: aborting due to previous error
Sep 10 13:57:19.518 INFO kablam! 
Sep 10 13:57:19.518 INFO kablam! For more information about this error, try `rustc --explain E0277`.
Sep 10 13:57:19.529 INFO kablam! error: Could not compile `nonblock`.
Sep 10 13:57:19.529 INFO kablam! 
Sep 10 13:57:19.529 INFO kablam! To learn more, run the command again with --verbose.
Sep 10 13:57:19.530 INFO kablam! su: No module specific data is present
Sep 10 13:57:20.240 INFO running `"docker" "rm" "-f" "9a6c9bc6f2ca67277825cda2922bb9d119584ce2c4b6516ed9a7552f4c21701b"`
Sep 10 13:57:20.350 INFO blam! 9a6c9bc6f2ca67277825cda2922bb9d119584ce2c4b6516ed9a7552f4c21701b