Sep 19 16:45:53.961 INFO checking SimonSapin/rust-on-bbc-microbit against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 19 16:45:53.961 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 19 16:45:53.961 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-3/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/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 +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 16:45:54.178 INFO blam! 54ba53dc5d97c6d127b47313bc20f2b2bb7259e30bf96c79e6e25e4db2b7bfd6
Sep 19 16:45:54.180 INFO running `"docker" "start" "-a" "54ba53dc5d97c6d127b47313bc20f2b2bb7259e30bf96c79e6e25e4db2b7bfd6"`
Sep 19 16:45:55.046 INFO kablam! usermod: no changes
Sep 19 16:45:55.088 INFO kablam!     Checking rust-on-bbc-microbit v0.1.0 (/source)
Sep 19 16:45:55.172 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Sep 19 16:45:55.172 INFO kablam!   --> src/lib.rs:29:1
Sep 19 16:45:55.172 INFO kablam!    |
Sep 19 16:45:55.172 INFO kablam! 29 | #[lang = "panic_fmt"]
Sep 19 16:45:55.172 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Sep 19 16:45:55.172 INFO kablam! 
Sep 19 16:45:55.172 INFO kablam! error: `#[panic_handler]` function required, but not found
Sep 19 16:45:55.172 INFO kablam! 
Sep 19 16:45:55.234 INFO kablam! error: aborting due to 2 previous errors
Sep 19 16:45:55.234 INFO kablam! 
Sep 19 16:45:55.234 INFO kablam! For more information about this error, try `rustc --explain E0522`.
Sep 19 16:45:55.239 INFO kablam! error: Could not compile `rust-on-bbc-microbit`.
Sep 19 16:45:55.240 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 19 16:45:55.248 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Sep 19 16:45:55.248 INFO kablam!   --> src/lib.rs:29:1
Sep 19 16:45:55.248 INFO kablam!    |
Sep 19 16:45:55.248 INFO kablam! 29 | #[lang = "panic_fmt"]
Sep 19 16:45:55.248 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Sep 19 16:45:55.248 INFO kablam! 
Sep 19 16:45:55.248 INFO kablam! error[E0152]: duplicate lang item found: `eh_personality`.
Sep 19 16:45:55.248 INFO kablam!   --> src/lib.rs:44:1
Sep 19 16:45:55.248 INFO kablam!    |
Sep 19 16:45:55.248 INFO kablam! 44 | extern fn eh_personality() {}
Sep 19 16:45:55.248 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 16:45:55.248 INFO kablam!    |
Sep 19 16:45:55.248 INFO kablam!    = note: first defined in crate `panic_unwind`.
Sep 19 16:45:55.248 INFO kablam! 
Sep 19 16:45:55.327 INFO kablam! error: aborting due to 2 previous errors
Sep 19 16:45:55.327 INFO kablam! 
Sep 19 16:45:55.327 INFO kablam! Some errors occurred: E0152, E0522.
Sep 19 16:45:55.327 INFO kablam! For more information about an error, try `rustc --explain E0152`.
Sep 19 16:45:55.333 INFO kablam! error: Could not compile `rust-on-bbc-microbit`.
Sep 19 16:45:55.333 INFO kablam! 
Sep 19 16:45:55.333 INFO kablam! To learn more, run the command again with --verbose.
Sep 19 16:45:55.335 INFO kablam! su: No module specific data is present
Sep 19 16:45:56.039 INFO running `"docker" "rm" "-f" "54ba53dc5d97c6d127b47313bc20f2b2bb7259e30bf96c79e6e25e4db2b7bfd6"`
Sep 19 16:45:56.149 INFO blam! 54ba53dc5d97c6d127b47313bc20f2b2bb7259e30bf96c79e6e25e4db2b7bfd6