Sep 21 08:14:23.189 INFO checking joker-0.0.5 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 08:14:23.189 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 08:14:23.189 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 08:14:23.415 INFO blam! e8f478e4b91b4f9b810637a8cd77d94366436f1e40dda2adaee387b7cfad54de
Sep 21 08:14:23.417 INFO running `"docker" "start" "-a" "e8f478e4b91b4f9b810637a8cd77d94366436f1e40dda2adaee387b7cfad54de"`
Sep 21 08:14:24.593 INFO kablam! usermod: no changes
Sep 21 08:14:24.672 INFO kablam!     Checking unjson v0.0.5
Sep 21 08:14:25.209 INFO kablam!     Checking joker v0.0.5 (/source)
Sep 21 08:14:26.128 INFO kablam! error[E0308]: mismatched types
Sep 21 08:14:26.128 INFO kablam!    --> src/test.rs:349:29
Sep 21 08:14:26.128 INFO kablam!     |
Sep 21 08:14:26.128 INFO kablam! 349 |                     source: format!("{:?}", Value::String(value.to_string())),
Sep 21 08:14:26.128 INFO kablam!     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::option::Option`, found struct `std::string::String`
Sep 21 08:14:26.128 INFO kablam!     |
Sep 21 08:14:26.128 INFO kablam!     = note: expected type `std::option::Option<std::string::String>`
Sep 21 08:14:26.128 INFO kablam!                found type `std::string::String`
Sep 21 08:14:26.128 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Sep 21 08:14:26.128 INFO kablam! help: try using a variant of the expected type
Sep 21 08:14:26.128 INFO kablam!     |
Sep 21 08:14:26.128 INFO kablam! 2   | Some(::fmt::format(<::fmt::Arguments>::new_v1_formatted(&[""],
Sep 21 08:14:26.128 INFO kablam! 3   |                                                    &match (&Value::String(value.to_string()),)
Sep 21 08:14:26.128 INFO kablam! 4   |                                                         {
Sep 21 08:14:26.128 INFO kablam! 5   |                                                         (arg0,) =>
Sep 21 08:14:26.128 INFO kablam! 6   |                                                         [<::fmt::ArgumentV1>::new(arg0,
Sep 21 08:14:26.128 INFO kablam! 7   |                                                                                   ::fmt::Debug::fmt)],
Sep 21 08:14:26.128 INFO kablam!   ...
Sep 21 08:14:26.128 INFO kablam! 
Sep 21 08:14:26.153 INFO kablam! error: aborting due to previous error
Sep 21 08:14:26.153 INFO kablam! 
Sep 21 08:14:26.153 INFO kablam! For more information about this error, try `rustc --explain E0308`.
Sep 21 08:14:26.161 INFO kablam! error: Could not compile `joker`.
Sep 21 08:14:26.161 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 21 08:14:26.369 INFO kablam! error: build failed
Sep 21 08:14:26.370 INFO kablam! su: No module specific data is present
Sep 21 08:14:26.904 INFO running `"docker" "rm" "-f" "e8f478e4b91b4f9b810637a8cd77d94366436f1e40dda2adaee387b7cfad54de"`
Sep 21 08:14:26.981 INFO blam! e8f478e4b91b4f9b810637a8cd77d94366436f1e40dda2adaee387b7cfad54de