Sep 06 07:38:53.685 INFO checking efm32gg-stk3700-0.1.0 against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 06 07:38:53.685 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 06 07:38:53.685 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-0/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/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 +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 07:38:53.891 INFO blam! a0ba998151a4ba86cd74583bf6a7ae672d4f33a9506e5beb3b1352e8f9ff2fa6
Sep 06 07:38:53.893 INFO running `"docker" "start" "-a" "a0ba998151a4ba86cd74583bf6a7ae672d4f33a9506e5beb3b1352e8f9ff2fa6"`
Sep 06 07:38:55.477 INFO kablam! usermod: no changes
Sep 06 07:38:55.582 INFO kablam!    Compiling cortex-m-semihosting v0.3.1
Sep 06 07:38:55.586 INFO kablam!    Compiling cortex-m-rt v0.5.3
Sep 06 07:38:55.634 INFO kablam!     Checking efm32gg990 v0.1.2
Sep 06 07:38:58.542 INFO kablam!     Checking panic-semihosting v0.2.0
Sep 06 07:38:58.918 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Sep 06 07:38:58.918 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-semihosting-0.2.0/src/lib.rs:67:1
Sep 06 07:38:58.918 INFO kablam!    |
Sep 06 07:38:58.918 INFO kablam! 67 | #[lang = "panic_fmt"]
Sep 06 07:38:58.918 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Sep 06 07:38:58.919 INFO kablam! 
Sep 06 07:38:58.943 INFO kablam! error: aborting due to previous error
Sep 06 07:38:58.943 INFO kablam! 
Sep 06 07:38:58.944 INFO kablam! For more information about this error, try `rustc --explain E0522`.
Sep 06 07:38:58.949 INFO kablam! error: Could not compile `panic-semihosting`.
Sep 06 07:38:58.949 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 06 07:39:50.349 INFO kablam! error: build failed
Sep 06 07:39:50.350 INFO kablam! su: No module specific data is present
Sep 06 07:39:50.763 INFO running `"docker" "rm" "-f" "a0ba998151a4ba86cd74583bf6a7ae672d4f33a9506e5beb3b1352e8f9ff2fa6"`
Sep 06 07:39:50.865 INFO blam! a0ba998151a4ba86cd74583bf6a7ae672d4f33a9506e5beb3b1352e8f9ff2fa6