Aug 31 06:46:43.566 INFO checking SimonSapin/rust-on-bbc-microbit against master#d0d81b7fc1421859ba0218e8a437af29ae3b0967 for pr-53578
Aug 31 06:46:43.566 INFO running: cargo +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets
Aug 31 06:46:43.567 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53578/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-3/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/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 +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 06:46:43.802 INFO blam! 68f09d804f46ea54cf5f70e03b316adac9505c8fbeca7bb769d2087f7f3e534b
Aug 31 06:46:43.805 INFO running `"docker" "start" "-a" "68f09d804f46ea54cf5f70e03b316adac9505c8fbeca7bb769d2087f7f3e534b"`
Aug 31 06:46:44.694 INFO kablam!     Checking rust-on-bbc-microbit v0.1.0 (file:///source)
Aug 31 06:46:44.807 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Aug 31 06:46:44.807 INFO kablam!   --> src/lib.rs:29:1
Aug 31 06:46:44.807 INFO kablam!    |
Aug 31 06:46:44.808 INFO kablam! 29 | #[lang = "panic_fmt"]
Aug 31 06:46:44.808 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Aug 31 06:46:44.808 INFO kablam! 
Aug 31 06:46:44.809 INFO kablam! error: `#[panic_implementation]` function required, but not found
Aug 31 06:46:44.809 INFO kablam! 
Aug 31 06:46:44.815 INFO kablam! error: aborting due to 2 previous errors
Aug 31 06:46:44.816 INFO kablam! 
Aug 31 06:46:44.816 INFO kablam! For more information about this error, try `rustc --explain E0522`.
Aug 31 06:46:44.823 INFO kablam! error: Could not compile `rust-on-bbc-microbit`.
Aug 31 06:46:44.824 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 31 06:46:45.025 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Aug 31 06:46:45.026 INFO kablam!   --> src/lib.rs:29:1
Aug 31 06:46:45.026 INFO kablam!    |
Aug 31 06:46:45.026 INFO kablam! 29 | #[lang = "panic_fmt"]
Aug 31 06:46:45.026 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Aug 31 06:46:45.026 INFO kablam! 
Aug 31 06:46:45.026 INFO kablam! error[E0152]: duplicate lang item found: `eh_personality`.
Aug 31 06:46:45.026 INFO kablam!   --> src/lib.rs:44:1
Aug 31 06:46:45.026 INFO kablam!    |
Aug 31 06:46:45.026 INFO kablam! 44 | extern fn eh_personality() {}
Aug 31 06:46:45.026 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 06:46:45.026 INFO kablam!    |
Aug 31 06:46:45.026 INFO kablam!    = note: first defined in crate `panic_unwind`.
Aug 31 06:46:45.026 INFO kablam! 
Aug 31 06:46:45.030 INFO kablam! error: aborting due to 2 previous errors
Aug 31 06:46:45.031 INFO kablam! 
Aug 31 06:46:45.031 INFO kablam! Some errors occurred: E0152, E0522.
Aug 31 06:46:45.031 INFO kablam! For more information about an error, try `rustc --explain E0152`.
Aug 31 06:46:45.038 INFO kablam! error: Could not compile `rust-on-bbc-microbit`.
Aug 31 06:46:45.038 INFO kablam! 
Aug 31 06:46:45.038 INFO kablam! To learn more, run the command again with --verbose.
Aug 31 06:46:45.040 INFO kablam! su: No module specific data is present
Aug 31 06:46:45.586 INFO running `"docker" "rm" "-f" "68f09d804f46ea54cf5f70e03b316adac9505c8fbeca7bb769d2087f7f3e534b"`
Aug 31 06:46:45.738 INFO blam! 68f09d804f46ea54cf5f70e03b316adac9505c8fbeca7bb769d2087f7f3e534b