Aug 10 20:55:13.282 INFO checking SimonSapin/rust-on-bbc-microbit against try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy for libc-1
Aug 10 20:55:13.282 INFO running: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 10 20:55:13.282 INFO creating container for: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 10 20:55:13.282 INFO running `"docker" "create" "-v" "/tmp/crater.dZ1tIJ8zzmmS:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-3/try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy:/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 +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 10 20:55:13.511 INFO blam! 8789872621d0e17d9ec3b1fdfa9ae2123197d1f156f27bb5329ff74fcfd0e27d
Aug 10 20:55:13.516 INFO running `"docker" "start" "-a" "8789872621d0e17d9ec3b1fdfa9ae2123197d1f156f27bb5329ff74fcfd0e27d"`
Aug 10 20:55:14.469 INFO kablam!     Checking rust-on-bbc-microbit v0.1.0 (file:///source)
Aug 10 20:55:14.767 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Aug 10 20:55:14.767 INFO kablam!   --> src/lib.rs:29:1
Aug 10 20:55:14.767 INFO kablam!    |
Aug 10 20:55:14.767 INFO kablam! 29 | #[lang = "panic_fmt"]
Aug 10 20:55:14.767 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Aug 10 20:55:14.767 INFO kablam! 
Aug 10 20:55:14.768 INFO kablam! error: `#[panic_implementation]` function required, but not found
Aug 10 20:55:14.768 INFO kablam! 
Aug 10 20:55:14.771 INFO kablam! error: aborting due to 2 previous errors
Aug 10 20:55:14.771 INFO kablam! 
Aug 10 20:55:14.771 INFO kablam! For more information about this error, try `rustc --explain E0522`.
Aug 10 20:55:14.785 INFO kablam! error: Could not compile `rust-on-bbc-microbit`.
Aug 10 20:55:14.785 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 10 20:55:14.912 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Aug 10 20:55:14.912 INFO kablam!   --> src/lib.rs:29:1
Aug 10 20:55:14.912 INFO kablam!    |
Aug 10 20:55:14.912 INFO kablam! 29 | #[lang = "panic_fmt"]
Aug 10 20:55:14.912 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Aug 10 20:55:14.916 INFO kablam! 
Aug 10 20:55:14.917 INFO kablam! error[E0152]: duplicate lang item found: `eh_personality`.
Aug 10 20:55:14.917 INFO kablam!   --> src/lib.rs:44:1
Aug 10 20:55:14.917 INFO kablam!    |
Aug 10 20:55:14.917 INFO kablam! 44 | extern fn eh_personality() {}
Aug 10 20:55:14.917 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 10 20:55:14.917 INFO kablam!    |
Aug 10 20:55:14.917 INFO kablam!    = note: first defined in crate `panic_unwind`.
Aug 10 20:55:14.917 INFO kablam! 
Aug 10 20:55:14.921 INFO kablam! error: aborting due to 2 previous errors
Aug 10 20:55:14.921 INFO kablam! 
Aug 10 20:55:14.921 INFO kablam! Some errors occurred: E0152, E0522.
Aug 10 20:55:14.922 INFO kablam! For more information about an error, try `rustc --explain E0152`.
Aug 10 20:55:14.932 INFO kablam! error: Could not compile `rust-on-bbc-microbit`.
Aug 10 20:55:14.932 INFO kablam! 
Aug 10 20:55:14.932 INFO kablam! To learn more, run the command again with --verbose.
Aug 10 20:55:14.934 INFO kablam! su: No module specific data is present
Aug 10 20:55:15.474 INFO running `"docker" "rm" "-f" "8789872621d0e17d9ec3b1fdfa9ae2123197d1f156f27bb5329ff74fcfd0e27d"`
Aug 10 20:55:15.662 INFO blam! 8789872621d0e17d9ec3b1fdfa9ae2123197d1f156f27bb5329ff74fcfd0e27d