Sep 10 15:42:59.523 INFO checking lcov-0.4.2 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 15:42:59.523 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 15:42:59.523 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-6/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 15:42:59.729 INFO blam! c74b326b078bcb1be91200c0e93c4007b6469fd54ddac861c79a432db035eac6
Sep 10 15:42:59.731 INFO running `"docker" "start" "-a" "c74b326b078bcb1be91200c0e93c4007b6469fd54ddac861c79a432db035eac6"`
Sep 10 15:43:00.906 INFO kablam! usermod: no changes
Sep 10 15:43:01.148 INFO kablam!     Checking cargo-readme v2.0.1
Sep 10 15:43:01.148 INFO kablam!     Checking lcov v0.4.2 (file:///source)
Sep 10 15:43:02.342 INFO kablam! error[E0277]: `ReadError` doesn't implement `std::fmt::Debug`
Sep 10 15:43:02.342 INFO kablam!  --> src/report/error.rs:4:24
Sep 10 15:43:02.342 INFO kablam!   |
Sep 10 15:43:02.342 INFO kablam! 4 | #[derive(Debug, Clone, Fail, Eq, PartialEq)]
Sep 10 15:43:02.342 INFO kablam!   |                        ^^^^ `ReadError` cannot be formatted using `{:?}` because it doesn't implement `std::fmt::Debug`
Sep 10 15:43:02.342 INFO kablam!   |
Sep 10 15:43:02.342 INFO kablam!   = help: the trait `std::fmt::Debug` is not implemented for `ReadError`
Sep 10 15:43:02.342 INFO kablam!   = help: consider adding a `where ReadError: std::fmt::Debug` bound
Sep 10 15:43:02.342 INFO kablam!   = note: required because of the requirements on the impl of `std::fmt::Debug` for `report::error::ParseError<ReadError>`
Sep 10 15:43:02.342 INFO kablam! 
Sep 10 15:43:02.342 INFO kablam! error[E0277]: `ReadError` cannot be shared between threads safely
Sep 10 15:43:02.342 INFO kablam!  --> src/report/error.rs:4:24
Sep 10 15:43:02.342 INFO kablam!   |
Sep 10 15:43:02.342 INFO kablam! 4 | #[derive(Debug, Clone, Fail, Eq, PartialEq)]
Sep 10 15:43:02.342 INFO kablam!   |                        ^^^^ `ReadError` cannot be shared between threads safely
Sep 10 15:43:02.342 INFO kablam!   |
Sep 10 15:43:02.342 INFO kablam!   = help: within `report::error::ParseError<ReadError>`, the trait `std::marker::Sync` is not implemented for `ReadError`
Sep 10 15:43:02.342 INFO kablam!   = help: consider adding a `where ReadError: std::marker::Sync` bound
Sep 10 15:43:02.342 INFO kablam!   = note: required because it appears within the type `report::error::ParseError<ReadError>`
Sep 10 15:43:02.342 INFO kablam! 
Sep 10 15:43:02.342 INFO kablam! error[E0277]: `ReadError` cannot be sent between threads safely
Sep 10 15:43:02.342 INFO kablam!  --> src/report/error.rs:4:24
Sep 10 15:43:02.342 INFO kablam!   |
Sep 10 15:43:02.342 INFO kablam! 4 | #[derive(Debug, Clone, Fail, Eq, PartialEq)]
Sep 10 15:43:02.342 INFO kablam!   |                        ^^^^ `ReadError` cannot be sent between threads safely
Sep 10 15:43:02.342 INFO kablam!   |
Sep 10 15:43:02.342 INFO kablam!   = help: within `report::error::ParseError<ReadError>`, the trait `std::marker::Send` is not implemented for `ReadError`
Sep 10 15:43:02.342 INFO kablam!   = help: consider adding a `where ReadError: std::marker::Send` bound
Sep 10 15:43:02.342 INFO kablam!   = note: required because it appears within the type `report::error::ParseError<ReadError>`
Sep 10 15:43:02.342 INFO kablam! 
Sep 10 15:43:02.370 INFO kablam! error: aborting due to 3 previous errors
Sep 10 15:43:02.370 INFO kablam! 
Sep 10 15:43:02.370 INFO kablam! For more information about this error, try `rustc --explain E0277`.
Sep 10 15:43:02.378 INFO kablam! error: Could not compile `lcov`.
Sep 10 15:43:02.378 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 10 15:43:02.654 INFO kablam! error: build failed
Sep 10 15:43:02.658 INFO kablam! su: No module specific data is present
Sep 10 15:43:03.209 INFO running `"docker" "rm" "-f" "c74b326b078bcb1be91200c0e93c4007b6469fd54ddac861c79a432db035eac6"`
Sep 10 15:43:03.330 INFO blam! c74b326b078bcb1be91200c0e93c4007b6469fd54ddac861c79a432db035eac6