Sep 01 05:36:55.255 INFO checking efm32gg-stk3700-0.1.0 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Sep 01 05:36:55.255 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Sep 01 05:36:55.255 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-3/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/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 +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 05:36:55.432 INFO blam! 7bc000dc17a9d4b361fa6dc0ff72ed3bdf7a4a18f5a7fa8d45f25a6916c4682e
Sep 01 05:36:55.434 INFO running `"docker" "start" "-a" "7bc000dc17a9d4b361fa6dc0ff72ed3bdf7a4a18f5a7fa8d45f25a6916c4682e"`
Sep 01 05:36:56.138 INFO kablam!    Compiling cortex-m-rt v0.5.3
Sep 01 05:36:56.139 INFO kablam!     Checking efm32gg990 v0.1.2
Sep 01 05:36:56.139 INFO kablam!     Checking panic-semihosting v0.2.0
Sep 01 05:36:56.584 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Sep 01 05:36:56.585 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-semihosting-0.2.0/src/lib.rs:67:1
Sep 01 05:36:56.585 INFO kablam!    |
Sep 01 05:36:56.585 INFO kablam! 67 | #[lang = "panic_fmt"]
Sep 01 05:36:56.585 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Sep 01 05:36:56.585 INFO kablam! 
Sep 01 05:36:56.585 INFO kablam! error: aborting due to previous error
Sep 01 05:36:56.585 INFO kablam! 
Sep 01 05:36:56.585 INFO kablam! For more information about this error, try `rustc --explain E0522`.
Sep 01 05:36:56.590 INFO kablam! error: Could not compile `panic-semihosting`.
Sep 01 05:36:56.590 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 01 05:38:13.719 INFO kablam! error: build failed
Sep 01 05:38:13.720 INFO kablam! su: No module specific data is present
Sep 01 05:38:14.079 INFO running `"docker" "rm" "-f" "7bc000dc17a9d4b361fa6dc0ff72ed3bdf7a4a18f5a7fa8d45f25a6916c4682e"`
Sep 01 05:38:14.207 INFO blam! 7bc000dc17a9d4b361fa6dc0ff72ed3bdf7a4a18f5a7fa8d45f25a6916c4682e