Aug 29 20:51:09.945 INFO checking SimonSapin/rust-on-bbc-microbit against try#2d477f9981361618ac78253c28051a66b6cea125 for pr-53707
Aug 29 20:51:09.945 INFO running: cargo +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets
Aug 29 20:51:09.945 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53707/try#2d477f9981361618ac78253c28051a66b6cea125:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-3/try#2d477f9981361618ac78253c28051a66b6cea125:/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 +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 29 20:51:10.141 INFO blam! b921996ec725669f3689427928e5c1f4d9461b0a4c62f79aafef50938e69a123
Aug 29 20:51:10.141 INFO running `"docker" "start" "-a" "b921996ec725669f3689427928e5c1f4d9461b0a4c62f79aafef50938e69a123"`
Aug 29 20:51:10.860 INFO kablam!     Checking rust-on-bbc-microbit v0.1.0 (file:///source)
Aug 29 20:51:11.001 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Aug 29 20:51:11.001 INFO kablam!   --> src/lib.rs:29:1
Aug 29 20:51:11.001 INFO kablam!    |
Aug 29 20:51:11.001 INFO kablam! 29 | #[lang = "panic_fmt"]
Aug 29 20:51:11.001 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Aug 29 20:51:11.001 INFO kablam! 
Aug 29 20:51:11.001 INFO kablam! error: `#[panic_handler]` function required, but not found
Aug 29 20:51:11.001 INFO kablam! 
Aug 29 20:51:11.006 INFO kablam! error: aborting due to 2 previous errors
Aug 29 20:51:11.006 INFO kablam! 
Aug 29 20:51:11.006 INFO kablam! For more information about this error, try `rustc --explain E0522`.
Aug 29 20:51:11.011 INFO kablam! error: Could not compile `rust-on-bbc-microbit`.
Aug 29 20:51:11.011 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 29 20:51:11.089 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Aug 29 20:51:11.089 INFO kablam!   --> src/lib.rs:29:1
Aug 29 20:51:11.089 INFO kablam!    |
Aug 29 20:51:11.089 INFO kablam! 29 | #[lang = "panic_fmt"]
Aug 29 20:51:11.089 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Aug 29 20:51:11.089 INFO kablam! 
Aug 29 20:51:11.089 INFO kablam! error[E0152]: duplicate lang item found: `eh_personality`.
Aug 29 20:51:11.089 INFO kablam!   --> src/lib.rs:44:1
Aug 29 20:51:11.089 INFO kablam!    |
Aug 29 20:51:11.090 INFO kablam! 44 | extern fn eh_personality() {}
Aug 29 20:51:11.090 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 29 20:51:11.090 INFO kablam!    |
Aug 29 20:51:11.090 INFO kablam!    = note: first defined in crate `panic_unwind`.
Aug 29 20:51:11.090 INFO kablam! 
Aug 29 20:51:11.093 INFO kablam! error: aborting due to 2 previous errors
Aug 29 20:51:11.093 INFO kablam! 
Aug 29 20:51:11.093 INFO kablam! Some errors occurred: E0152, E0522.
Aug 29 20:51:11.093 INFO kablam! For more information about an error, try `rustc --explain E0152`.
Aug 29 20:51:11.100 INFO kablam! error: Could not compile `rust-on-bbc-microbit`.
Aug 29 20:51:11.100 INFO kablam! 
Aug 29 20:51:11.100 INFO kablam! To learn more, run the command again with --verbose.
Aug 29 20:51:11.101 INFO kablam! su: No module specific data is present
Aug 29 20:51:11.543 INFO running `"docker" "rm" "-f" "b921996ec725669f3689427928e5c1f4d9461b0a4c62f79aafef50938e69a123"`
Aug 29 20:51:11.677 INFO blam! b921996ec725669f3689427928e5c1f4d9461b0a4c62f79aafef50938e69a123