Sep 02 09:52:49.455 INFO checking joker-0.0.5 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851 Sep 02 09:52:49.455 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets Sep 02 09:52:49.455 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-1/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"` Sep 02 09:52:49.669 INFO blam! fd02981cca81f163b28ea5a860feebb0b00a067d2712113d5f350ef7c4304d1c Sep 02 09:52:49.671 INFO running `"docker" "start" "-a" "fd02981cca81f163b28ea5a860feebb0b00a067d2712113d5f350ef7c4304d1c"` Sep 02 09:52:50.290 INFO kablam! Checking unjson v0.0.5 Sep 02 09:52:51.278 INFO kablam! Checking joker v0.0.5 (file:///source) Sep 02 09:52:52.756 INFO kablam! error[E0308]: mismatched types Sep 02 09:52:52.756 INFO kablam! --> src/test.rs:349:29 Sep 02 09:52:52.756 INFO kablam! | Sep 02 09:52:52.756 INFO kablam! 349 | source: format!("{:?}", Value::String(value.to_string())), Sep 02 09:52:52.756 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::option::Option`, found struct `std::string::String` Sep 02 09:52:52.756 INFO kablam! | Sep 02 09:52:52.756 INFO kablam! = note: expected type `std::option::Option` Sep 02 09:52:52.756 INFO kablam! found type `std::string::String` Sep 02 09:52:52.756 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 02 09:52:52.757 INFO kablam! help: try using a variant of the expected type Sep 02 09:52:52.757 INFO kablam! | Sep 02 09:52:52.757 INFO kablam! 2 | Some(::fmt::format(<::fmt::Arguments>::new_v1_formatted(&[""], Sep 02 09:52:52.757 INFO kablam! 3 | &match (&Value::String(value.to_string()),) Sep 02 09:52:52.757 INFO kablam! 4 | { Sep 02 09:52:52.757 INFO kablam! 5 | (arg0,) => Sep 02 09:52:52.757 INFO kablam! 6 | [<::fmt::ArgumentV1>::new(arg0, Sep 02 09:52:52.757 INFO kablam! 7 | ::fmt::Debug::fmt)], Sep 02 09:52:52.757 INFO kablam! ... Sep 02 09:52:52.757 INFO kablam! Sep 02 09:52:52.815 INFO kablam! error: aborting due to previous error Sep 02 09:52:52.815 INFO kablam! Sep 02 09:52:52.815 INFO kablam! For more information about this error, try `rustc --explain E0308`. Sep 02 09:52:52.824 INFO kablam! error: Could not compile `joker`. Sep 02 09:52:52.824 INFO kablam! warning: build failed, waiting for other jobs to finish... Sep 02 09:52:53.192 INFO kablam! error: build failed Sep 02 09:52:53.193 INFO kablam! su: No module specific data is present Sep 02 09:52:53.631 INFO running `"docker" "rm" "-f" "fd02981cca81f163b28ea5a860feebb0b00a067d2712113d5f350ef7c4304d1c"` Sep 02 09:52:53.761 INFO blam! fd02981cca81f163b28ea5a860feebb0b00a067d2712113d5f350ef7c4304d1c