Sep 20 02:26:26.017 INFO checking efm32gg-stk3700-0.1.0 against try#fcacde07b66fe513e52c41b73aef91bcc121905b for pr-54346
Sep 20 02:26:26.017 INFO running: cargo +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets
Sep 20 02:26:26.017 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54346/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-6/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/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 +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 02:26:26.480 INFO blam! 1811b971dea8a62c3aa5b48ad14ab9a73446311fd28f3b14170f997910e05ca5
Sep 20 02:26:26.481 INFO running `"docker" "start" "-a" "1811b971dea8a62c3aa5b48ad14ab9a73446311fd28f3b14170f997910e05ca5"`
Sep 20 02:26:28.514 INFO kablam! usermod: no changes
Sep 20 02:26:28.679 INFO kablam!    Compiling rand_core v0.2.1
Sep 20 02:26:28.679 INFO kablam!    Compiling cortex-m-rt v0.6.3
Sep 20 02:26:28.687 INFO kablam!    Compiling cortex-m-semihosting v0.3.1
Sep 20 02:26:28.719 INFO kablam!     Checking efm32gg990 v0.1.2
Sep 20 02:26:30.266 INFO kablam!    Compiling rand v0.5.5
Sep 20 02:26:30.987 INFO kablam!     Checking panic-semihosting v0.2.0
Sep 20 02:26:31.391 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Sep 20 02:26:31.391 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-semihosting-0.2.0/src/lib.rs:67:1
Sep 20 02:26:31.391 INFO kablam!    |
Sep 20 02:26:31.391 INFO kablam! 67 | #[lang = "panic_fmt"]
Sep 20 02:26:31.391 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Sep 20 02:26:31.391 INFO kablam! 
Sep 20 02:26:31.423 INFO kablam! error: aborting due to previous error
Sep 20 02:26:31.423 INFO kablam! 
Sep 20 02:26:31.423 INFO kablam! For more information about this error, try `rustc --explain E0522`.
Sep 20 02:26:31.455 INFO kablam! error: Could not compile `panic-semihosting`.
Sep 20 02:26:31.455 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 20 02:27:24.944 INFO kablam! error: Could not compile `efm32gg990`.
Sep 20 02:27:24.944 INFO kablam! 
Sep 20 02:27:24.944 INFO kablam! To learn more, run the command again with --verbose.
Sep 20 02:27:24.945 INFO kablam! su: No module specific data is present
Sep 20 02:27:25.633 INFO running `"docker" "rm" "-f" "1811b971dea8a62c3aa5b48ad14ab9a73446311fd28f3b14170f997910e05ca5"`
Sep 20 02:27:25.712 INFO blam! 1811b971dea8a62c3aa5b48ad14ab9a73446311fd28f3b14170f997910e05ca5