Sep 10 05:10:43.109 INFO checking SimonSapin/rust-on-bbc-microbit against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 05:10:43.109 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 05:10:43.109 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-5/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 05:10:43.318 INFO blam! d80c9d88f97c9a104c08a3f81816be20f0f15608372da3c17862d3b814052ad6
Sep 10 05:10:43.320 INFO running `"docker" "start" "-a" "d80c9d88f97c9a104c08a3f81816be20f0f15608372da3c17862d3b814052ad6"`
Sep 10 05:10:45.034 INFO kablam! usermod: no changes
Sep 10 05:10:45.106 INFO kablam!     Checking rust-on-bbc-microbit v0.1.0 (file:///source)
Sep 10 05:10:45.302 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Sep 10 05:10:45.302 INFO kablam!   --> src/lib.rs:29:1
Sep 10 05:10:45.302 INFO kablam!    |
Sep 10 05:10:45.302 INFO kablam! 29 | #[lang = "panic_fmt"]
Sep 10 05:10:45.302 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Sep 10 05:10:45.302 INFO kablam! 
Sep 10 05:10:45.302 INFO kablam! error[E0152]: duplicate lang item found: `eh_personality`.
Sep 10 05:10:45.302 INFO kablam!   --> src/lib.rs:44:1
Sep 10 05:10:45.302 INFO kablam!    |
Sep 10 05:10:45.302 INFO kablam! 44 | extern fn eh_personality() {}
Sep 10 05:10:45.302 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 05:10:45.302 INFO kablam!    |
Sep 10 05:10:45.302 INFO kablam!    = note: first defined in crate `panic_unwind`.
Sep 10 05:10:45.302 INFO kablam! 
Sep 10 05:10:45.326 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Sep 10 05:10:45.326 INFO kablam!   --> src/lib.rs:29:1
Sep 10 05:10:45.326 INFO kablam!    |
Sep 10 05:10:45.326 INFO kablam! 29 | #[lang = "panic_fmt"]
Sep 10 05:10:45.326 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Sep 10 05:10:45.326 INFO kablam! 
Sep 10 05:10:45.326 INFO kablam! error: `#[panic_handler]` function required, but not found
Sep 10 05:10:45.326 INFO kablam! 
Sep 10 05:10:45.378 INFO kablam! error: aborting due to 2 previous errors
Sep 10 05:10:45.378 INFO kablam! 
Sep 10 05:10:45.378 INFO kablam! Some errors occurred: E0152, E0522.
Sep 10 05:10:45.378 INFO kablam! For more information about an error, try `rustc --explain E0152`.
Sep 10 05:10:45.382 INFO kablam! error: Could not compile `rust-on-bbc-microbit`.
Sep 10 05:10:45.382 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 10 05:10:45.418 INFO kablam! error: aborting due to 2 previous errors
Sep 10 05:10:45.422 INFO kablam! 
Sep 10 05:10:45.422 INFO kablam! For more information about this error, try `rustc --explain E0522`.
Sep 10 05:10:45.429 INFO kablam! error: Could not compile `rust-on-bbc-microbit`.
Sep 10 05:10:45.429 INFO kablam! 
Sep 10 05:10:45.429 INFO kablam! To learn more, run the command again with --verbose.
Sep 10 05:10:45.430 INFO kablam! su: No module specific data is present
Sep 10 05:10:46.234 INFO running `"docker" "rm" "-f" "d80c9d88f97c9a104c08a3f81816be20f0f15608372da3c17862d3b814052ad6"`
Sep 10 05:10:46.353 INFO blam! d80c9d88f97c9a104c08a3f81816be20f0f15608372da3c17862d3b814052ad6