Sep 17 22:31:55.483 INFO checking joker-0.0.5 against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 17 22:31:55.483 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 17 22:31:55.483 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-3/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/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 +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 22:31:56.016 INFO blam! 2f6d6102121cebd15c6c2188cd3d639a16c47e933c7e7aac7775ff266c8f0fb8
Sep 17 22:31:56.022 INFO running `"docker" "start" "-a" "2f6d6102121cebd15c6c2188cd3d639a16c47e933c7e7aac7775ff266c8f0fb8"`
Sep 17 22:31:57.119 INFO kablam! usermod: no changes
Sep 17 22:31:57.159 INFO kablam!     Checking serde_json v0.7.4
Sep 17 22:31:58.259 INFO kablam!     Checking unjson v0.0.5
Sep 17 22:31:58.927 INFO kablam!     Checking joker v0.0.5 (/source)
Sep 17 22:32:00.067 INFO kablam! error[E0308]: mismatched types
Sep 17 22:32:00.067 INFO kablam!    --> src/test.rs:349:29
Sep 17 22:32:00.067 INFO kablam!     |
Sep 17 22:32:00.067 INFO kablam! 349 |                     source: format!("{:?}", Value::String(value.to_string())),
Sep 17 22:32:00.067 INFO kablam!     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::option::Option`, found struct `std::string::String`
Sep 17 22:32:00.067 INFO kablam!     |
Sep 17 22:32:00.068 INFO kablam!     = note: expected type `std::option::Option<std::string::String>`
Sep 17 22:32:00.068 INFO kablam!                found type `std::string::String`
Sep 17 22:32:00.068 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 17 22:32:00.068 INFO kablam! help: try using a variant of the expected type
Sep 17 22:32:00.068 INFO kablam!     |
Sep 17 22:32:00.068 INFO kablam! 2   | Some(::fmt::format(<::fmt::Arguments>::new_v1_formatted(&[""],
Sep 17 22:32:00.068 INFO kablam! 3   |                                                    &match (&Value::String(value.to_string()),)
Sep 17 22:32:00.068 INFO kablam! 4   |                                                         {
Sep 17 22:32:00.068 INFO kablam! 5   |                                                         (arg0,) =>
Sep 17 22:32:00.068 INFO kablam! 6   |                                                         [<::fmt::ArgumentV1>::new(arg0,
Sep 17 22:32:00.068 INFO kablam! 7   |                                                                                   ::fmt::Debug::fmt)],
Sep 17 22:32:00.068 INFO kablam!   ...
Sep 17 22:32:00.068 INFO kablam! 
Sep 17 22:32:00.104 INFO kablam! error: aborting due to previous error
Sep 17 22:32:00.104 INFO kablam! 
Sep 17 22:32:00.104 INFO kablam! For more information about this error, try `rustc --explain E0308`.
Sep 17 22:32:00.113 INFO kablam! error: Could not compile `joker`.
Sep 17 22:32:00.113 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 17 22:32:00.279 INFO kablam! error: build failed
Sep 17 22:32:00.279 INFO kablam! su: No module specific data is present
Sep 17 22:32:00.797 INFO running `"docker" "rm" "-f" "2f6d6102121cebd15c6c2188cd3d639a16c47e933c7e7aac7775ff266c8f0fb8"`
Sep 17 22:32:00.941 INFO blam! 2f6d6102121cebd15c6c2188cd3d639a16c47e933c7e7aac7775ff266c8f0fb8