Sep 14 05:20:30.911 INFO checking SimonSapin/rust-on-bbc-microbit against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 05:20:30.911 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 05:20:30.911 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-0/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/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=1000" "-e" "CMD=cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 05:20:31.322 INFO blam! 66d7ecc28225ae207c8042eb0bb34358d7763beed4aab4153021b6569c5f5b76
Sep 14 05:20:31.328 INFO running `"docker" "start" "-a" "66d7ecc28225ae207c8042eb0bb34358d7763beed4aab4153021b6569c5f5b76"`
Sep 14 05:20:32.790 INFO kablam! usermod: no changes
Sep 14 05:20:32.846 INFO kablam!     Checking rust-on-bbc-microbit v0.1.0 (file:///source)
Sep 14 05:20:33.153 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Sep 14 05:20:33.153 INFO kablam!   --> src/lib.rs:29:1
Sep 14 05:20:33.153 INFO kablam!    |
Sep 14 05:20:33.153 INFO kablam! 29 | #[lang = "panic_fmt"]
Sep 14 05:20:33.153 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Sep 14 05:20:33.153 INFO kablam! 
Sep 14 05:20:33.153 INFO kablam! error: `#[panic_handler]` function required, but not found
Sep 14 05:20:33.153 INFO kablam! 
Sep 14 05:20:33.215 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Sep 14 05:20:33.215 INFO kablam!   --> src/lib.rs:29:1
Sep 14 05:20:33.215 INFO kablam!    |
Sep 14 05:20:33.215 INFO kablam! 29 | #[lang = "panic_fmt"]
Sep 14 05:20:33.215 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Sep 14 05:20:33.215 INFO kablam! 
Sep 14 05:20:33.215 INFO kablam! error[E0152]: duplicate lang item found: `eh_personality`.
Sep 14 05:20:33.215 INFO kablam!   --> src/lib.rs:44:1
Sep 14 05:20:33.215 INFO kablam!    |
Sep 14 05:20:33.215 INFO kablam! 44 | extern fn eh_personality() {}
Sep 14 05:20:33.215 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 05:20:33.215 INFO kablam!    |
Sep 14 05:20:33.215 INFO kablam!    = note: first defined in crate `panic_unwind`.
Sep 14 05:20:33.215 INFO kablam! 
Sep 14 05:20:33.294 INFO kablam! error: aborting due to 2 previous errors
Sep 14 05:20:33.294 INFO kablam! 
Sep 14 05:20:33.294 INFO kablam! For more information about this error, try `rustc --explain E0522`.
Sep 14 05:20:33.303 INFO kablam! error: Could not compile `rust-on-bbc-microbit`.
Sep 14 05:20:33.303 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 14 05:20:33.351 INFO kablam! error: aborting due to 2 previous errors
Sep 14 05:20:33.351 INFO kablam! 
Sep 14 05:20:33.351 INFO kablam! Some errors occurred: E0152, E0522.
Sep 14 05:20:33.351 INFO kablam! For more information about an error, try `rustc --explain E0152`.
Sep 14 05:20:33.357 INFO kablam! error: Could not compile `rust-on-bbc-microbit`.
Sep 14 05:20:33.357 INFO kablam! 
Sep 14 05:20:33.357 INFO kablam! To learn more, run the command again with --verbose.
Sep 14 05:20:33.358 INFO kablam! su: No module specific data is present
Sep 14 05:20:34.393 INFO running `"docker" "rm" "-f" "66d7ecc28225ae207c8042eb0bb34358d7763beed4aab4153021b6569c5f5b76"`
Sep 14 05:20:34.660 INFO blam! 66d7ecc28225ae207c8042eb0bb34358d7763beed4aab4153021b6569c5f5b76