Aug 30 19:18:24.430 INFO checking efm32gg-stk3700-0.1.0 against master#ede55518431154bc761f7b2438cce9078c162700 for pr-53707
Aug 30 19:18:24.430 INFO running: cargo +ede55518431154bc761f7b2438cce9078c162700-alt check --frozen --all --all-targets
Aug 30 19:18:24.430 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53707/master#ede55518431154bc761f7b2438cce9078c162700:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-1/master#ede55518431154bc761f7b2438cce9078c162700:/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 +ede55518431154bc761f7b2438cce9078c162700-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 19:18:24.606 INFO blam! 6ee61e9365123847ccacc5eedba0b700472a5727545fdda592f544fe140bed1a
Aug 30 19:18:24.608 INFO running `"docker" "start" "-a" "6ee61e9365123847ccacc5eedba0b700472a5727545fdda592f544fe140bed1a"`
Aug 30 19:18:25.315 INFO kablam!    Compiling cortex-m-rt v0.5.3
Aug 30 19:18:25.321 INFO kablam!     Checking efm32gg990 v0.1.2
Aug 30 19:18:25.322 INFO kablam!     Checking panic-semihosting v0.2.0
Aug 30 19:18:25.944 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Aug 30 19:18:25.944 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-semihosting-0.2.0/src/lib.rs:67:1
Aug 30 19:18:25.944 INFO kablam!    |
Aug 30 19:18:25.944 INFO kablam! 67 | #[lang = "panic_fmt"]
Aug 30 19:18:25.944 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Aug 30 19:18:25.945 INFO kablam! 
Aug 30 19:18:25.945 INFO kablam! error: aborting due to previous error
Aug 30 19:18:25.945 INFO kablam! 
Aug 30 19:18:25.946 INFO kablam! For more information about this error, try `rustc --explain E0522`.
Aug 30 19:18:25.952 INFO kablam! error: Could not compile `panic-semihosting`.
Aug 30 19:18:25.952 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 30 19:19:35.599 INFO kablam! error: build failed
Aug 30 19:19:35.600 INFO kablam! su: No module specific data is present
Aug 30 19:19:36.103 INFO running `"docker" "rm" "-f" "6ee61e9365123847ccacc5eedba0b700472a5727545fdda592f544fe140bed1a"`
Aug 30 19:19:36.186 INFO blam! 6ee61e9365123847ccacc5eedba0b700472a5727545fdda592f544fe140bed1a