Aug 30 18:58:34.105 INFO checking efm32gg-stk3700-0.1.0 against master#545f22340f72ee0efaf6463efb43a2840e3d35db for pr-53699
Aug 30 18:58:34.105 INFO running: cargo +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets
Aug 30 18:58:34.105 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53699/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-0/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/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 +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 18:58:34.301 INFO blam! 2d6e0e9428ffba1404125f7695d9b0e3e4f80d73f73c9ddf619a768f1873be48
Aug 30 18:58:34.304 INFO running `"docker" "start" "-a" "2d6e0e9428ffba1404125f7695d9b0e3e4f80d73f73c9ddf619a768f1873be48"`
Aug 30 18:58:35.012 INFO kablam!    Compiling cortex-m-rt v0.5.3
Aug 30 18:58:35.013 INFO kablam!     Checking efm32gg990 v0.1.2
Aug 30 18:58:35.013 INFO kablam!     Checking panic-semihosting v0.2.0
Aug 30 18:58:35.515 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Aug 30 18:58:35.515 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-semihosting-0.2.0/src/lib.rs:67:1
Aug 30 18:58:35.515 INFO kablam!    |
Aug 30 18:58:35.516 INFO kablam! 67 | #[lang = "panic_fmt"]
Aug 30 18:58:35.516 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Aug 30 18:58:35.516 INFO kablam! 
Aug 30 18:58:35.516 INFO kablam! error: aborting due to previous error
Aug 30 18:58:35.516 INFO kablam! 
Aug 30 18:58:35.516 INFO kablam! For more information about this error, try `rustc --explain E0522`.
Aug 30 18:58:35.522 INFO kablam! error: Could not compile `panic-semihosting`.
Aug 30 18:58:35.523 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 30 18:59:56.287 INFO kablam! error: build failed
Aug 30 18:59:56.288 INFO kablam! su: No module specific data is present
Aug 30 18:59:56.833 INFO running `"docker" "rm" "-f" "2d6e0e9428ffba1404125f7695d9b0e3e4f80d73f73c9ddf619a768f1873be48"`
Aug 30 18:59:56.927 INFO blam! 2d6e0e9428ffba1404125f7695d9b0e3e4f80d73f73c9ddf619a768f1873be48