Sep 19 16:45:53.047 INFO checking SimonSapin/rust-on-bbc-microbit against try#135b4cd023a753409d01e43b0f23d22a899feeeb for pr-54352
Sep 19 16:45:53.047 INFO running: cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets
Sep 19 16:45:53.047 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54352/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-5/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/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 +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 16:45:53.311 INFO blam! ee0388308b979505f4b400616cd74848ee081b8ca6942258f48d2ba5200939d9
Sep 19 16:45:53.313 INFO running `"docker" "start" "-a" "ee0388308b979505f4b400616cd74848ee081b8ca6942258f48d2ba5200939d9"`
Sep 19 16:45:54.378 INFO kablam! usermod: no changes
Sep 19 16:45:54.402 INFO kablam!     Checking rust-on-bbc-microbit v0.1.0 (/source)
Sep 19 16:45:54.477 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Sep 19 16:45:54.477 INFO kablam!   --> src/lib.rs:29:1
Sep 19 16:45:54.478 INFO kablam!    |
Sep 19 16:45:54.478 INFO kablam! 29 | #[lang = "panic_fmt"]
Sep 19 16:45:54.478 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Sep 19 16:45:54.478 INFO kablam! 
Sep 19 16:45:54.478 INFO kablam! error: `#[panic_handler]` function required, but not found
Sep 19 16:45:54.478 INFO kablam! 
Sep 19 16:45:54.558 INFO kablam! error: aborting due to 2 previous errors
Sep 19 16:45:54.558 INFO kablam! 
Sep 19 16:45:54.558 INFO kablam! For more information about this error, try `rustc --explain E0522`.
Sep 19 16:45:54.558 INFO kablam! error: Could not compile `rust-on-bbc-microbit`.
Sep 19 16:45:54.558 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 19 16:45:54.580 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Sep 19 16:45:54.580 INFO kablam!   --> src/lib.rs:29:1
Sep 19 16:45:54.580 INFO kablam!    |
Sep 19 16:45:54.580 INFO kablam! 29 | #[lang = "panic_fmt"]
Sep 19 16:45:54.580 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Sep 19 16:45:54.580 INFO kablam! 
Sep 19 16:45:54.580 INFO kablam! error[E0152]: duplicate lang item found: `eh_personality`.
Sep 19 16:45:54.580 INFO kablam!   --> src/lib.rs:44:1
Sep 19 16:45:54.580 INFO kablam!    |
Sep 19 16:45:54.580 INFO kablam! 44 | extern fn eh_personality() {}
Sep 19 16:45:54.581 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 16:45:54.581 INFO kablam!    |
Sep 19 16:45:54.581 INFO kablam!    = note: first defined in crate `panic_unwind`.
Sep 19 16:45:54.581 INFO kablam! 
Sep 19 16:45:54.665 INFO kablam! error: aborting due to 2 previous errors
Sep 19 16:45:54.665 INFO kablam! 
Sep 19 16:45:54.665 INFO kablam! Some errors occurred: E0152, E0522.
Sep 19 16:45:54.665 INFO kablam! For more information about an error, try `rustc --explain E0152`.
Sep 19 16:45:54.670 INFO kablam! error: Could not compile `rust-on-bbc-microbit`.
Sep 19 16:45:54.670 INFO kablam! 
Sep 19 16:45:54.670 INFO kablam! To learn more, run the command again with --verbose.
Sep 19 16:45:54.672 INFO kablam! su: No module specific data is present
Sep 19 16:45:55.338 INFO running `"docker" "rm" "-f" "ee0388308b979505f4b400616cd74848ee081b8ca6942258f48d2ba5200939d9"`
Sep 19 16:45:55.440 INFO blam! ee0388308b979505f4b400616cd74848ee081b8ca6942258f48d2ba5200939d9