Aug 29 19:46:09.435 INFO checking SimonSapin/rust-on-bbc-microbit against master#545f22340f72ee0efaf6463efb43a2840e3d35db for pr-53699 Aug 29 19:46:09.435 INFO running: cargo +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets Aug 29 19:46:09.435 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53699/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-2/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/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 +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"` Aug 29 19:46:09.702 INFO blam! 55310657b0125da2c5b450f5a753a78a0920b7598cc1e52126a827a2b7b36587 Aug 29 19:46:09.704 INFO running `"docker" "start" "-a" "55310657b0125da2c5b450f5a753a78a0920b7598cc1e52126a827a2b7b36587"` Aug 29 19:46:10.671 INFO kablam! Checking rust-on-bbc-microbit v0.1.0 (file:///source) Aug 29 19:46:10.854 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt` Aug 29 19:46:10.854 INFO kablam! --> src/lib.rs:29:1 Aug 29 19:46:10.854 INFO kablam! | Aug 29 19:46:10.854 INFO kablam! 29 | #[lang = "panic_fmt"] Aug 29 19:46:10.854 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt` Aug 29 19:46:10.855 INFO kablam! Aug 29 19:46:10.855 INFO kablam! error: `#[panic_implementation]` function required, but not found Aug 29 19:46:10.855 INFO kablam! Aug 29 19:46:10.859 INFO kablam! error: aborting due to 2 previous errors Aug 29 19:46:10.859 INFO kablam! Aug 29 19:46:10.859 INFO kablam! For more information about this error, try `rustc --explain E0522`. Aug 29 19:46:10.871 INFO kablam! error: Could not compile `rust-on-bbc-microbit`. Aug 29 19:46:10.872 INFO kablam! warning: build failed, waiting for other jobs to finish... Aug 29 19:46:11.029 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt` Aug 29 19:46:11.029 INFO kablam! --> src/lib.rs:29:1 Aug 29 19:46:11.029 INFO kablam! | Aug 29 19:46:11.029 INFO kablam! 29 | #[lang = "panic_fmt"] Aug 29 19:46:11.029 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt` Aug 29 19:46:11.029 INFO kablam! Aug 29 19:46:11.029 INFO kablam! error[E0152]: duplicate lang item found: `eh_personality`. Aug 29 19:46:11.029 INFO kablam! --> src/lib.rs:44:1 Aug 29 19:46:11.029 INFO kablam! | Aug 29 19:46:11.029 INFO kablam! 44 | extern fn eh_personality() {} Aug 29 19:46:11.030 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Aug 29 19:46:11.030 INFO kablam! | Aug 29 19:46:11.030 INFO kablam! = note: first defined in crate `panic_unwind`. Aug 29 19:46:11.030 INFO kablam! Aug 29 19:46:11.035 INFO kablam! error: aborting due to 2 previous errors Aug 29 19:46:11.036 INFO kablam! Aug 29 19:46:11.036 INFO kablam! Some errors occurred: E0152, E0522. Aug 29 19:46:11.037 INFO kablam! For more information about an error, try `rustc --explain E0152`. Aug 29 19:46:11.046 INFO kablam! error: Could not compile `rust-on-bbc-microbit`. Aug 29 19:46:11.047 INFO kablam! Aug 29 19:46:11.047 INFO kablam! To learn more, run the command again with --verbose. Aug 29 19:46:11.051 INFO kablam! su: No module specific data is present Aug 29 19:46:11.546 INFO running `"docker" "rm" "-f" "55310657b0125da2c5b450f5a753a78a0920b7598cc1e52126a827a2b7b36587"` Aug 29 19:46:11.702 INFO blam! 55310657b0125da2c5b450f5a753a78a0920b7598cc1e52126a827a2b7b36587