Sep 18 01:19:23.625 INFO checking efm32gg-stk3700-0.1.0 against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 18 01:19:23.626 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 18 01:19:23.626 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-0/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/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=1000" "-e" "CMD=cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 18 01:19:24.044 INFO blam! d2ce14cea20a1a3f449826390308ea82e1bf76bfb51433a06e23fb3a4bbf5426
Sep 18 01:19:24.046 INFO running `"docker" "start" "-a" "d2ce14cea20a1a3f449826390308ea82e1bf76bfb51433a06e23fb3a4bbf5426"`
Sep 18 01:19:26.003 INFO kablam! usermod: no changes
Sep 18 01:19:26.191 INFO kablam!    Compiling rand_core v0.2.1
Sep 18 01:19:26.191 INFO kablam!    Compiling cortex-m-semihosting v0.3.1
Sep 18 01:19:26.191 INFO kablam!    Compiling cortex-m-rt v0.6.3
Sep 18 01:19:26.215 INFO kablam!     Checking efm32gg990 v0.1.2
Sep 18 01:19:27.435 INFO kablam!    Compiling rand v0.5.5
Sep 18 01:19:28.812 INFO kablam!     Checking panic-semihosting v0.2.0
Sep 18 01:19:29.228 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Sep 18 01:19:29.228 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-semihosting-0.2.0/src/lib.rs:67:1
Sep 18 01:19:29.228 INFO kablam!    |
Sep 18 01:19:29.228 INFO kablam! 67 | #[lang = "panic_fmt"]
Sep 18 01:19:29.228 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Sep 18 01:19:29.228 INFO kablam! 
Sep 18 01:19:29.255 INFO kablam! error: aborting due to previous error
Sep 18 01:19:29.255 INFO kablam! 
Sep 18 01:19:29.255 INFO kablam! For more information about this error, try `rustc --explain E0522`.
Sep 18 01:19:29.274 INFO kablam! error: Could not compile `panic-semihosting`.
Sep 18 01:19:29.274 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 18 01:20:19.229 INFO kablam! error: Could not compile `efm32gg990`.
Sep 18 01:20:19.229 INFO kablam! 
Sep 18 01:20:19.229 INFO kablam! To learn more, run the command again with --verbose.
Sep 18 01:20:19.229 INFO kablam! su: No module specific data is present
Sep 18 01:20:20.225 INFO running `"docker" "rm" "-f" "d2ce14cea20a1a3f449826390308ea82e1bf76bfb51433a06e23fb3a4bbf5426"`
Sep 18 01:20:20.278 INFO blam! d2ce14cea20a1a3f449826390308ea82e1bf76bfb51433a06e23fb3a4bbf5426