Aug 11 10:37:19.459 INFO checking joker-0.0.5 against try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy for libc-1
Aug 11 10:37:19.460 INFO running: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 10:37:19.460 INFO creating container for: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 10:37:19.460 INFO running `"docker" "create" "-v" "/tmp/crater.Ff0nJX1YZXJ8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-4/try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 11 10:37:19.789 INFO blam! 8a453c4db4ff459c9ca89149fef8ea5264af4d6870f89493c7f813ac8b0c9b98
Aug 11 10:37:19.791 INFO running `"docker" "start" "-a" "8a453c4db4ff459c9ca89149fef8ea5264af4d6870f89493c7f813ac8b0c9b98"`
Aug 11 10:37:20.974 INFO kablam!     Checking serde_json v0.7.4
Aug 11 10:37:23.362 INFO kablam!     Checking unjson v0.0.5
Aug 11 10:37:24.268 INFO kablam!     Checking joker v0.0.5 (file:///source)
Aug 11 10:37:26.862 INFO kablam! error[E0308]: mismatched types
Aug 11 10:37:26.862 INFO kablam!    --> src/test.rs:349:29
Aug 11 10:37:26.862 INFO kablam!     |
Aug 11 10:37:26.862 INFO kablam! 349 |                     source: format!("{:?}", Value::String(value.to_string())),
Aug 11 10:37:26.862 INFO kablam!     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::option::Option`, found struct `std::string::String`
Aug 11 10:37:26.863 INFO kablam!     |
Aug 11 10:37:26.864 INFO kablam!     = note: expected type `std::option::Option<std::string::String>`
Aug 11 10:37:26.864 INFO kablam!                found type `std::string::String`
Aug 11 10:37:26.864 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)
Aug 11 10:37:26.864 INFO kablam! help: try using a variant of the expected type
Aug 11 10:37:26.864 INFO kablam!     |
Aug 11 10:37:26.865 INFO kablam! 2   | Some(::fmt::format(<::fmt::Arguments>::new_v1_formatted(&[""],
Aug 11 10:37:26.865 INFO kablam! 3   |                                                    &match (&Value::String(value.to_string()),)
Aug 11 10:37:26.865 INFO kablam! 4   |                                                         {
Aug 11 10:37:26.865 INFO kablam! 5   |                                                         (arg0,) =>
Aug 11 10:37:26.865 INFO kablam! 6   |                                                         [<::fmt::ArgumentV1>::new(arg0,
Aug 11 10:37:26.865 INFO kablam! 7   |                                                                                   ::fmt::Debug::fmt)],
Aug 11 10:37:26.865 INFO kablam!   ...
Aug 11 10:37:26.865 INFO kablam! 
Aug 11 10:37:26.936 INFO kablam! error: aborting due to previous error
Aug 11 10:37:26.937 INFO kablam! 
Aug 11 10:37:26.938 INFO kablam! For more information about this error, try `rustc --explain E0308`.
Aug 11 10:37:26.947 INFO kablam! error: Could not compile `joker`.
Aug 11 10:37:26.947 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 11 10:37:27.334 INFO kablam! error: build failed
Aug 11 10:37:27.336 INFO kablam! su: No module specific data is present
Aug 11 10:37:27.940 INFO running `"docker" "rm" "-f" "8a453c4db4ff459c9ca89149fef8ea5264af4d6870f89493c7f813ac8b0c9b98"`
Aug 11 10:37:28.174 INFO blam! 8a453c4db4ff459c9ca89149fef8ea5264af4d6870f89493c7f813ac8b0c9b98