Jul 12 10:31:24.810 INFO checking efm32gg-stk3700-0.1.0 against master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9 for pr-52234
Jul 12 10:31:24.810 INFO running: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 12 10:31:24.810 INFO creating container for: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 12 10:31:24.810 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-52234/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-3/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/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 +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 12 10:31:25.046 INFO blam! 0b607de0eea84b2b847aebfca0f7074705206f7b18c5b60a977fae90f52154c3
Jul 12 10:31:25.049 INFO running `"docker" "start" "-a" "0b607de0eea84b2b847aebfca0f7074705206f7b18c5b60a977fae90f52154c3"`
Jul 12 10:31:26.110 INFO kablam!     Checking nb v0.1.1
Jul 12 10:31:26.110 INFO kablam!    Compiling cortex-m-semihosting v0.3.0
Jul 12 10:31:26.176 INFO kablam!    Compiling cortex-m-rt v0.5.1
Jul 12 10:31:26.200 INFO kablam!     Checking efm32gg990 v0.1.2
Jul 12 10:31:27.449 INFO kablam!     Checking embedded-hal v0.2.1
Jul 12 10:31:31.203 INFO kablam!     Checking panic-semihosting v0.2.0
Jul 12 10:31:31.699 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Jul 12 10:31:31.699 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-semihosting-0.2.0/src/lib.rs:67:1
Jul 12 10:31:31.699 INFO kablam!    |
Jul 12 10:31:31.699 INFO kablam! 67 | #[lang = "panic_fmt"]
Jul 12 10:31:31.700 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Jul 12 10:31:31.700 INFO kablam! 
Jul 12 10:31:31.700 INFO kablam! error: aborting due to previous error
Jul 12 10:31:31.700 INFO kablam! 
Jul 12 10:31:31.700 INFO kablam! For more information about this error, try `rustc --explain E0522`.
Jul 12 10:31:31.706 INFO kablam! error: Could not compile `panic-semihosting`.
Jul 12 10:31:31.707 INFO kablam! warning: build failed, waiting for other jobs to finish...
Jul 12 10:33:37.363 INFO kablam! error: build failed
Jul 12 10:33:37.365 INFO kablam! su: No module specific data is present
Jul 12 10:33:37.888 INFO running `"docker" "rm" "-f" "0b607de0eea84b2b847aebfca0f7074705206f7b18c5b60a977fae90f52154c3"`
Jul 12 10:33:38.060 INFO blam! 0b607de0eea84b2b847aebfca0f7074705206f7b18c5b60a977fae90f52154c3