Jul 11 15:57:58.790 INFO checking SimonSapin/rust-on-bbc-microbit against master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9 for pr-52234
Jul 11 15:57:58.791 INFO running: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 11 15:57:58.791 INFO creating container for: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 11 15:57:58.791 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-52234/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-2/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/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 +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 11 15:57:59.059 INFO blam! b0da48ef28ccdd65283ee852fb7bf3d4042d346890030b702cc8638ce8e3dcf2
Jul 11 15:57:59.062 INFO running `"docker" "start" "-a" "b0da48ef28ccdd65283ee852fb7bf3d4042d346890030b702cc8638ce8e3dcf2"`
Jul 11 15:58:00.288 INFO kablam!     Checking rust-on-bbc-microbit v0.1.0 (file:///source)
Jul 11 15:58:00.561 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Jul 11 15:58:00.561 INFO kablam!   --> src/lib.rs:29:1
Jul 11 15:58:00.561 INFO kablam!    |
Jul 11 15:58:00.561 INFO kablam! 29 | #[lang = "panic_fmt"]
Jul 11 15:58:00.561 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Jul 11 15:58:00.562 INFO kablam! 
Jul 11 15:58:00.562 INFO kablam! error: `#[panic_implementation]` function required, but not found
Jul 11 15:58:00.563 INFO kablam! 
Jul 11 15:58:00.566 INFO kablam! error: aborting due to 2 previous errors
Jul 11 15:58:00.567 INFO kablam! 
Jul 11 15:58:00.567 INFO kablam! For more information about this error, try `rustc --explain E0522`.
Jul 11 15:58:00.579 INFO kablam! error: Could not compile `rust-on-bbc-microbit`.
Jul 11 15:58:00.579 INFO kablam! warning: build failed, waiting for other jobs to finish...
Jul 11 15:58:00.906 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Jul 11 15:58:00.906 INFO kablam!   --> src/lib.rs:29:1
Jul 11 15:58:00.907 INFO kablam!    |
Jul 11 15:58:00.907 INFO kablam! 29 | #[lang = "panic_fmt"]
Jul 11 15:58:00.907 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Jul 11 15:58:00.907 INFO kablam! 
Jul 11 15:58:00.907 INFO kablam! error[E0152]: duplicate lang item found: `eh_personality`.
Jul 11 15:58:00.907 INFO kablam!   --> src/lib.rs:44:1
Jul 11 15:58:00.907 INFO kablam!    |
Jul 11 15:58:00.907 INFO kablam! 44 | extern fn eh_personality() {}
Jul 11 15:58:00.907 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 11 15:58:00.907 INFO kablam!    |
Jul 11 15:58:00.907 INFO kablam!    = note: first defined in crate `panic_unwind`.
Jul 11 15:58:00.907 INFO kablam! 
Jul 11 15:58:00.912 INFO kablam! error: aborting due to 2 previous errors
Jul 11 15:58:00.912 INFO kablam! 
Jul 11 15:58:00.912 INFO kablam! Some errors occurred: E0152, E0522.
Jul 11 15:58:00.912 INFO kablam! For more information about an error, try `rustc --explain E0152`.
Jul 11 15:58:00.922 INFO kablam! error: Could not compile `rust-on-bbc-microbit`.
Jul 11 15:58:00.922 INFO kablam! 
Jul 11 15:58:00.922 INFO kablam! To learn more, run the command again with --verbose.
Jul 11 15:58:00.925 INFO kablam! su: No module specific data is present
Jul 11 15:58:01.598 INFO running `"docker" "rm" "-f" "b0da48ef28ccdd65283ee852fb7bf3d4042d346890030b702cc8638ce8e3dcf2"`
Jul 11 15:58:01.768 INFO blam! b0da48ef28ccdd65283ee852fb7bf3d4042d346890030b702cc8638ce8e3dcf2