Aug 10 20:55:14.680 INFO checking SimonSapin/rust-on-bbc-microbit against master#f6d43ed84207c7e58f363f46e5a438ff40f2b311 for libc-1
Aug 10 20:55:14.680 INFO running: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 10 20:55:14.680 INFO creating container for: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 10 20:55:14.681 INFO running `"docker" "create" "-v" "/tmp/crater.2MiIxk17wmnN:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-4/master#f6d43ed84207c7e58f363f46e5a438ff40f2b311:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 10 20:55:14.902 INFO blam! c333fae56d4c37b77d4894e58e274b6ad75666933469325d5501814e2ce561be
Aug 10 20:55:14.905 INFO running `"docker" "start" "-a" "c333fae56d4c37b77d4894e58e274b6ad75666933469325d5501814e2ce561be"`
Aug 10 20:55:15.877 INFO kablam!     Checking rust-on-bbc-microbit v0.1.0 (file:///source)
Aug 10 20:55:16.136 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Aug 10 20:55:16.136 INFO kablam!   --> src/lib.rs:29:1
Aug 10 20:55:16.136 INFO kablam!    |
Aug 10 20:55:16.136 INFO kablam! 29 | #[lang = "panic_fmt"]
Aug 10 20:55:16.136 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Aug 10 20:55:16.147 INFO kablam! 
Aug 10 20:55:16.147 INFO kablam! error: `#[panic_implementation]` function required, but not found
Aug 10 20:55:16.147 INFO kablam! 
Aug 10 20:55:16.167 INFO kablam! error: aborting due to 2 previous errors
Aug 10 20:55:16.168 INFO kablam! 
Aug 10 20:55:16.172 INFO kablam! For more information about this error, try `rustc --explain E0522`.
Aug 10 20:55:16.183 INFO kablam! error: Could not compile `rust-on-bbc-microbit`.
Aug 10 20:55:16.184 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 10 20:55:16.257 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Aug 10 20:55:16.257 INFO kablam!   --> src/lib.rs:29:1
Aug 10 20:55:16.257 INFO kablam!    |
Aug 10 20:55:16.257 INFO kablam! 29 | #[lang = "panic_fmt"]
Aug 10 20:55:16.257 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Aug 10 20:55:16.257 INFO kablam! 
Aug 10 20:55:16.257 INFO kablam! error[E0152]: duplicate lang item found: `eh_personality`.
Aug 10 20:55:16.257 INFO kablam!   --> src/lib.rs:44:1
Aug 10 20:55:16.257 INFO kablam!    |
Aug 10 20:55:16.257 INFO kablam! 44 | extern fn eh_personality() {}
Aug 10 20:55:16.257 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 10 20:55:16.257 INFO kablam!    |
Aug 10 20:55:16.258 INFO kablam!    = note: first defined in crate `panic_unwind`.
Aug 10 20:55:16.258 INFO kablam! 
Aug 10 20:55:16.264 INFO kablam! error: aborting due to 2 previous errors
Aug 10 20:55:16.265 INFO kablam! 
Aug 10 20:55:16.265 INFO kablam! Some errors occurred: E0152, E0522.
Aug 10 20:55:16.265 INFO kablam! For more information about an error, try `rustc --explain E0152`.
Aug 10 20:55:16.271 INFO kablam! error: Could not compile `rust-on-bbc-microbit`.
Aug 10 20:55:16.271 INFO kablam! 
Aug 10 20:55:16.271 INFO kablam! To learn more, run the command again with --verbose.
Aug 10 20:55:16.272 INFO kablam! su: No module specific data is present
Aug 10 20:55:16.826 INFO running `"docker" "rm" "-f" "c333fae56d4c37b77d4894e58e274b6ad75666933469325d5501814e2ce561be"`
Aug 10 20:55:16.985 INFO blam! c333fae56d4c37b77d4894e58e274b6ad75666933469325d5501814e2ce561be