Sep 04 19:00:47.176 INFO checking efm32gg-stk3700-0.1.0 against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893
Sep 04 19:00:47.176 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets
Sep 04 19:00:47.176 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-2/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/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 +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 19:00:47.333 INFO blam! 32779b7b7972cd26777e264f8ef421ffd24304c2cc1eed0cce0ad9bec3c00321
Sep 04 19:00:47.336 INFO running `"docker" "start" "-a" "32779b7b7972cd26777e264f8ef421ffd24304c2cc1eed0cce0ad9bec3c00321"`
Sep 04 19:00:47.955 INFO kablam!    Compiling cortex-m-rt v0.5.3
Sep 04 19:00:47.956 INFO kablam!     Checking efm32gg990 v0.1.2
Sep 04 19:00:47.956 INFO kablam!     Checking panic-semihosting v0.2.0
Sep 04 19:00:48.331 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Sep 04 19:00:48.331 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-semihosting-0.2.0/src/lib.rs:67:1
Sep 04 19:00:48.331 INFO kablam!    |
Sep 04 19:00:48.331 INFO kablam! 67 | #[lang = "panic_fmt"]
Sep 04 19:00:48.331 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Sep 04 19:00:48.331 INFO kablam! 
Sep 04 19:00:48.365 INFO kablam! error: aborting due to previous error
Sep 04 19:00:48.365 INFO kablam! 
Sep 04 19:00:48.365 INFO kablam! For more information about this error, try `rustc --explain E0522`.
Sep 04 19:00:48.371 INFO kablam! error: Could not compile `panic-semihosting`.
Sep 04 19:00:48.371 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 04 19:02:05.944 INFO kablam! error: build failed
Sep 04 19:02:05.945 INFO kablam! su: No module specific data is present
Sep 04 19:02:06.263 INFO running `"docker" "rm" "-f" "32779b7b7972cd26777e264f8ef421ffd24304c2cc1eed0cce0ad9bec3c00321"`
Sep 04 19:02:06.384 INFO blam! 32779b7b7972cd26777e264f8ef421ffd24304c2cc1eed0cce0ad9bec3c00321