Sep 21 07:52:31.565 INFO checking lcov-0.4.2 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 07:52:31.565 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 07:52:31.566 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-7/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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 +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 07:52:31.814 INFO blam! cf99de45fb32c36e69dc3a0bab2fd99baa1927e715e1c7b69ae245622c4d246e
Sep 21 07:52:31.818 INFO running `"docker" "start" "-a" "cf99de45fb32c36e69dc3a0bab2fd99baa1927e715e1c7b69ae245622c4d246e"`
Sep 21 07:52:33.341 INFO kablam! usermod: no changes
Sep 21 07:52:33.564 INFO kablam!     Checking cargo-readme v2.0.1
Sep 21 07:52:33.566 INFO kablam!     Checking lcov v0.4.2 (/source)
Sep 21 07:52:34.462 INFO kablam! error[E0277]: `ReadError` doesn't implement `std::fmt::Debug`
Sep 21 07:52:34.462 INFO kablam!  --> src/report/error.rs:4:24
Sep 21 07:52:34.462 INFO kablam!   |
Sep 21 07:52:34.462 INFO kablam! 4 | #[derive(Debug, Clone, Fail, Eq, PartialEq)]
Sep 21 07:52:34.462 INFO kablam!   |                        ^^^^ `ReadError` cannot be formatted using `{:?}` because it doesn't implement `std::fmt::Debug`
Sep 21 07:52:34.462 INFO kablam!   |
Sep 21 07:52:34.462 INFO kablam!   = help: the trait `std::fmt::Debug` is not implemented for `ReadError`
Sep 21 07:52:34.462 INFO kablam!   = help: consider adding a `where ReadError: std::fmt::Debug` bound
Sep 21 07:52:34.462 INFO kablam!   = note: required because of the requirements on the impl of `std::fmt::Debug` for `report::error::ParseError<ReadError>`
Sep 21 07:52:34.462 INFO kablam! 
Sep 21 07:52:34.462 INFO kablam! error[E0277]: `ReadError` cannot be shared between threads safely
Sep 21 07:52:34.462 INFO kablam!  --> src/report/error.rs:4:24
Sep 21 07:52:34.462 INFO kablam!   |
Sep 21 07:52:34.462 INFO kablam! 4 | #[derive(Debug, Clone, Fail, Eq, PartialEq)]
Sep 21 07:52:34.462 INFO kablam!   |                        ^^^^ `ReadError` cannot be shared between threads safely
Sep 21 07:52:34.462 INFO kablam!   |
Sep 21 07:52:34.462 INFO kablam!   = help: within `report::error::ParseError<ReadError>`, the trait `std::marker::Sync` is not implemented for `ReadError`
Sep 21 07:52:34.462 INFO kablam!   = help: consider adding a `where ReadError: std::marker::Sync` bound
Sep 21 07:52:34.462 INFO kablam!   = note: required because it appears within the type `report::error::ParseError<ReadError>`
Sep 21 07:52:34.462 INFO kablam! 
Sep 21 07:52:34.462 INFO kablam! error[E0277]: `ReadError` cannot be sent between threads safely
Sep 21 07:52:34.462 INFO kablam!  --> src/report/error.rs:4:24
Sep 21 07:52:34.462 INFO kablam!   |
Sep 21 07:52:34.462 INFO kablam! 4 | #[derive(Debug, Clone, Fail, Eq, PartialEq)]
Sep 21 07:52:34.462 INFO kablam!   |                        ^^^^ `ReadError` cannot be sent between threads safely
Sep 21 07:52:34.462 INFO kablam!   |
Sep 21 07:52:34.462 INFO kablam!   = help: within `report::error::ParseError<ReadError>`, the trait `std::marker::Send` is not implemented for `ReadError`
Sep 21 07:52:34.462 INFO kablam!   = help: consider adding a `where ReadError: std::marker::Send` bound
Sep 21 07:52:34.462 INFO kablam!   = note: required because it appears within the type `report::error::ParseError<ReadError>`
Sep 21 07:52:34.462 INFO kablam! 
Sep 21 07:52:34.542 INFO kablam! error: aborting due to 3 previous errors
Sep 21 07:52:34.542 INFO kablam! 
Sep 21 07:52:34.542 INFO kablam! For more information about this error, try `rustc --explain E0277`.
Sep 21 07:52:34.558 INFO kablam! error: Could not compile `lcov`.
Sep 21 07:52:34.561 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 21 07:52:34.844 INFO kablam! error: build failed
Sep 21 07:52:34.846 INFO kablam! su: No module specific data is present
Sep 21 07:52:35.878 INFO running `"docker" "rm" "-f" "cf99de45fb32c36e69dc3a0bab2fd99baa1927e715e1c7b69ae245622c4d246e"`
Sep 21 07:52:36.032 INFO blam! cf99de45fb32c36e69dc3a0bab2fd99baa1927e715e1c7b69ae245622c4d246e