Aug 30 18:58:10.163 INFO checking efm32gg-stk3700-0.1.0 against try#bc5a74802bb3ffc82f51ef04bca58d64220124c4 for pr-53699
Aug 30 18:58:10.163 INFO running: cargo +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets
Aug 30 18:58:10.164 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53699/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-2/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/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 +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 18:58:10.390 INFO blam! 6e05c7606b639ccc0df9cd27c5b940e188857399680c0a0e2c2c8f26b23b949b
Aug 30 18:58:10.392 INFO running `"docker" "start" "-a" "6e05c7606b639ccc0df9cd27c5b940e188857399680c0a0e2c2c8f26b23b949b"`
Aug 30 18:58:11.099 INFO kablam!    Compiling cortex-m-rt v0.5.3
Aug 30 18:58:11.101 INFO kablam!     Checking efm32gg990 v0.1.2
Aug 30 18:58:11.101 INFO kablam!     Checking panic-semihosting v0.2.0
Aug 30 18:58:11.598 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Aug 30 18:58:11.598 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-semihosting-0.2.0/src/lib.rs:67:1
Aug 30 18:58:11.598 INFO kablam!    |
Aug 30 18:58:11.598 INFO kablam! 67 | #[lang = "panic_fmt"]
Aug 30 18:58:11.598 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Aug 30 18:58:11.598 INFO kablam! 
Aug 30 18:58:11.598 INFO kablam! error: aborting due to previous error
Aug 30 18:58:11.599 INFO kablam! 
Aug 30 18:58:11.599 INFO kablam! For more information about this error, try `rustc --explain E0522`.
Aug 30 18:58:11.605 INFO kablam! error: Could not compile `panic-semihosting`.
Aug 30 18:58:11.606 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 30 18:59:31.365 INFO kablam! error: build failed
Aug 30 18:59:31.366 INFO kablam! su: No module specific data is present
Aug 30 18:59:31.693 INFO running `"docker" "rm" "-f" "6e05c7606b639ccc0df9cd27c5b940e188857399680c0a0e2c2c8f26b23b949b"`
Aug 30 18:59:31.822 INFO blam! 6e05c7606b639ccc0df9cd27c5b940e188857399680c0a0e2c2c8f26b23b949b