Aug 29 20:51:10.083 INFO checking SimonSapin/rust-on-bbc-microbit against master#ede55518431154bc761f7b2438cce9078c162700 for pr-53707
Aug 29 20:51:10.083 INFO running: cargo +ede55518431154bc761f7b2438cce9078c162700-alt check --frozen --all --all-targets
Aug 29 20:51:10.083 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53707/master#ede55518431154bc761f7b2438cce9078c162700:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-2/master#ede55518431154bc761f7b2438cce9078c162700:/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 +ede55518431154bc761f7b2438cce9078c162700-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 29 20:51:10.310 INFO blam! 2b168a723f5a91ff803f8a38f7935f387614ec37027168e9c22766516306bc76
Aug 29 20:51:10.318 INFO running `"docker" "start" "-a" "2b168a723f5a91ff803f8a38f7935f387614ec37027168e9c22766516306bc76"`
Aug 29 20:51:11.058 INFO kablam!     Checking rust-on-bbc-microbit v0.1.0 (file:///source)
Aug 29 20:51:11.165 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Aug 29 20:51:11.165 INFO kablam!   --> src/lib.rs:29:1
Aug 29 20:51:11.165 INFO kablam!    |
Aug 29 20:51:11.165 INFO kablam! 29 | #[lang = "panic_fmt"]
Aug 29 20:51:11.165 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Aug 29 20:51:11.165 INFO kablam! 
Aug 29 20:51:11.165 INFO kablam! error: `#[panic_handler]` function required, but not found
Aug 29 20:51:11.165 INFO kablam! 
Aug 29 20:51:11.169 INFO kablam! error: aborting due to 2 previous errors
Aug 29 20:51:11.169 INFO kablam! 
Aug 29 20:51:11.169 INFO kablam! For more information about this error, try `rustc --explain E0522`.
Aug 29 20:51:11.175 INFO kablam! error: Could not compile `rust-on-bbc-microbit`.
Aug 29 20:51:11.175 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 29 20:51:11.308 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Aug 29 20:51:11.309 INFO kablam!   --> src/lib.rs:29:1
Aug 29 20:51:11.309 INFO kablam!    |
Aug 29 20:51:11.309 INFO kablam! 29 | #[lang = "panic_fmt"]
Aug 29 20:51:11.309 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Aug 29 20:51:11.309 INFO kablam! 
Aug 29 20:51:11.309 INFO kablam! error[E0152]: duplicate lang item found: `eh_personality`.
Aug 29 20:51:11.309 INFO kablam!   --> src/lib.rs:44:1
Aug 29 20:51:11.309 INFO kablam!    |
Aug 29 20:51:11.309 INFO kablam! 44 | extern fn eh_personality() {}
Aug 29 20:51:11.309 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 29 20:51:11.309 INFO kablam!    |
Aug 29 20:51:11.309 INFO kablam!    = note: first defined in crate `panic_unwind`.
Aug 29 20:51:11.309 INFO kablam! 
Aug 29 20:51:11.313 INFO kablam! error: aborting due to 2 previous errors
Aug 29 20:51:11.313 INFO kablam! 
Aug 29 20:51:11.313 INFO kablam! Some errors occurred: E0152, E0522.
Aug 29 20:51:11.313 INFO kablam! For more information about an error, try `rustc --explain E0152`.
Aug 29 20:51:11.329 INFO kablam! error: Could not compile `rust-on-bbc-microbit`.
Aug 29 20:51:11.330 INFO kablam! 
Aug 29 20:51:11.330 INFO kablam! To learn more, run the command again with --verbose.
Aug 29 20:51:11.332 INFO kablam! su: No module specific data is present
Aug 29 20:51:11.809 INFO running `"docker" "rm" "-f" "2b168a723f5a91ff803f8a38f7935f387614ec37027168e9c22766516306bc76"`
Aug 29 20:51:11.938 INFO blam! 2b168a723f5a91ff803f8a38f7935f387614ec37027168e9c22766516306bc76