Sep 04 16:11:54.651 INFO checking joker-0.0.5 against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913 Sep 04 16:11:54.651 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets Sep 04 16:11:54.651 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-1/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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 +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"` Sep 04 16:11:54.818 INFO blam! 6fa6559e5c5b79d127680ec6c26b912e20ea48ff735b16041ab194f747cfd566 Sep 04 16:11:54.820 INFO running `"docker" "start" "-a" "6fa6559e5c5b79d127680ec6c26b912e20ea48ff735b16041ab194f747cfd566"` Sep 04 16:11:55.595 INFO kablam! Checking unjson v0.0.5 Sep 04 16:11:56.388 INFO kablam! Checking joker v0.0.5 (file:///source) Sep 04 16:11:58.424 INFO kablam! error[E0308]: mismatched types Sep 04 16:11:58.424 INFO kablam! --> src/test.rs:349:29 Sep 04 16:11:58.424 INFO kablam! | Sep 04 16:11:58.424 INFO kablam! 349 | source: format!("{:?}", Value::String(value.to_string())), Sep 04 16:11:58.424 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::option::Option`, found struct `std::string::String` Sep 04 16:11:58.424 INFO kablam! | Sep 04 16:11:58.424 INFO kablam! = note: expected type `std::option::Option` Sep 04 16:11:58.424 INFO kablam! found type `std::string::String` Sep 04 16:11:58.424 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 16:11:58.424 INFO kablam! help: try using a variant of the expected type Sep 04 16:11:58.424 INFO kablam! | Sep 04 16:11:58.424 INFO kablam! 2 | Some(::fmt::format(<::fmt::Arguments>::new_v1_formatted(&[""], Sep 04 16:11:58.424 INFO kablam! 3 | &match (&Value::String(value.to_string()),) Sep 04 16:11:58.424 INFO kablam! 4 | { Sep 04 16:11:58.424 INFO kablam! 5 | (arg0,) => Sep 04 16:11:58.424 INFO kablam! 6 | [<::fmt::ArgumentV1>::new(arg0, Sep 04 16:11:58.424 INFO kablam! 7 | ::fmt::Debug::fmt)], Sep 04 16:11:58.424 INFO kablam! ... Sep 04 16:11:58.424 INFO kablam! Sep 04 16:11:58.472 INFO kablam! error: aborting due to previous error Sep 04 16:11:58.472 INFO kablam! Sep 04 16:11:58.472 INFO kablam! For more information about this error, try `rustc --explain E0308`. Sep 04 16:11:58.481 INFO kablam! error: Could not compile `joker`. Sep 04 16:11:58.481 INFO kablam! warning: build failed, waiting for other jobs to finish... Sep 04 16:11:58.509 INFO kablam! error: build failed Sep 04 16:11:58.510 INFO kablam! su: No module specific data is present Sep 04 16:11:59.066 INFO running `"docker" "rm" "-f" "6fa6559e5c5b79d127680ec6c26b912e20ea48ff735b16041ab194f747cfd566"` Sep 04 16:11:59.177 INFO blam! 6fa6559e5c5b79d127680ec6c26b912e20ea48ff735b16041ab194f747cfd566