Sep 04 13:14:24.787 INFO checking joker-0.0.5 against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893
Sep 04 13:14:24.787 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets
Sep 04 13:14:24.787 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-1/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/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=500" "-e" "CMD=cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 13:14:24.966 INFO blam! 96b56bda42a9ced9ef78a0e408e8ef310d7e377161244fa1d66697f7f2c2d833
Sep 04 13:14:24.968 INFO running `"docker" "start" "-a" "96b56bda42a9ced9ef78a0e408e8ef310d7e377161244fa1d66697f7f2c2d833"`
Sep 04 13:14:25.672 INFO kablam!     Checking serde_json v0.7.4
Sep 04 13:14:27.316 INFO kablam!     Checking unjson v0.0.5
Sep 04 13:14:28.065 INFO kablam!     Checking joker v0.0.5 (file:///source)
Sep 04 13:14:30.230 INFO kablam! error[E0308]: mismatched types
Sep 04 13:14:30.230 INFO kablam!    --> src/test.rs:349:29
Sep 04 13:14:30.230 INFO kablam!     |
Sep 04 13:14:30.230 INFO kablam! 349 |                     source: format!("{:?}", Value::String(value.to_string())),
Sep 04 13:14:30.230 INFO kablam!     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::option::Option`, found struct `std::string::String`
Sep 04 13:14:30.231 INFO kablam!     |
Sep 04 13:14:30.231 INFO kablam!     = note: expected type `std::option::Option<std::string::String>`
Sep 04 13:14:30.231 INFO kablam!                found type `std::string::String`
Sep 04 13:14:30.231 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 04 13:14:30.232 INFO kablam! help: try using a variant of the expected type
Sep 04 13:14:30.232 INFO kablam!     |
Sep 04 13:14:30.232 INFO kablam! 2   | Some(::fmt::format(<::fmt::Arguments>::new_v1_formatted(&[""],
Sep 04 13:14:30.232 INFO kablam! 3   |                                                    &match (&Value::String(value.to_string()),)
Sep 04 13:14:30.232 INFO kablam! 4   |                                                         {
Sep 04 13:14:30.232 INFO kablam! 5   |                                                         (arg0,) =>
Sep 04 13:14:30.232 INFO kablam! 6   |                                                         [<::fmt::ArgumentV1>::new(arg0,
Sep 04 13:14:30.232 INFO kablam! 7   |                                                                                   ::fmt::Debug::fmt)],
Sep 04 13:14:30.232 INFO kablam!   ...
Sep 04 13:14:30.232 INFO kablam! 
Sep 04 13:14:30.288 INFO kablam! error: aborting due to previous error
Sep 04 13:14:30.288 INFO kablam! 
Sep 04 13:14:30.288 INFO kablam! For more information about this error, try `rustc --explain E0308`.
Sep 04 13:14:30.296 INFO kablam! error: Could not compile `joker`.
Sep 04 13:14:30.296 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 04 13:14:30.633 INFO kablam! error: build failed
Sep 04 13:14:30.634 INFO kablam! su: No module specific data is present
Sep 04 13:14:31.144 INFO running `"docker" "rm" "-f" "96b56bda42a9ced9ef78a0e408e8ef310d7e377161244fa1d66697f7f2c2d833"`
Sep 04 13:14:31.278 INFO blam! 96b56bda42a9ced9ef78a0e408e8ef310d7e377161244fa1d66697f7f2c2d833