Jul 12 13:39:59.441 INFO checking atsam4lc8c-0.1.1 against master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9 for pr-52234
Jul 12 13:39:59.441 INFO running: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 12 13:39:59.441 INFO creating container for: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 12 13:39:59.441 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-52234/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-2/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/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 +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 12 13:39:59.687 INFO blam! 4b9909f336d7ecdc50b25967caaa792270a08ef96cf868b6fe73b823970e0a56
Jul 12 13:39:59.690 INFO running `"docker" "start" "-a" "4b9909f336d7ecdc50b25967caaa792270a08ef96cf868b6fe73b823970e0a56"`
Jul 12 13:40:00.817 INFO kablam!    Compiling atsam4lc8c v0.1.1 (file:///source)
Jul 12 13:40:00.823 INFO kablam!    Compiling cortex-m-rt v0.5.1
Jul 12 13:40:00.830 INFO kablam!     Checking panic-semihosting v0.2.0
Jul 12 13:40:00.831 INFO kablam!     Checking cortex-m-log v0.2.0
Jul 12 13:40:01.874 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Jul 12 13:40:01.874 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-semihosting-0.2.0/src/lib.rs:67:1
Jul 12 13:40:01.874 INFO kablam!    |
Jul 12 13:40:01.874 INFO kablam! 67 | #[lang = "panic_fmt"]
Jul 12 13:40:01.874 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Jul 12 13:40:01.878 INFO kablam! 
Jul 12 13:40:01.880 INFO kablam! error: aborting due to previous error
Jul 12 13:40:01.881 INFO kablam! 
Jul 12 13:40:01.881 INFO kablam! For more information about this error, try `rustc --explain E0522`.
Jul 12 13:40:01.904 INFO kablam! error: Could not compile `panic-semihosting`.
Jul 12 13:40:01.904 INFO kablam! warning: build failed, waiting for other jobs to finish...
Jul 12 13:40:04.117 INFO kablam! error: build failed
Jul 12 13:40:04.120 INFO kablam! su: No module specific data is present
Jul 12 13:40:04.624 INFO running `"docker" "rm" "-f" "4b9909f336d7ecdc50b25967caaa792270a08ef96cf868b6fe73b823970e0a56"`
Jul 12 13:40:04.807 INFO blam! 4b9909f336d7ecdc50b25967caaa792270a08ef96cf868b6fe73b823970e0a56