Aug 31 00:09:44.975 INFO checking atsam4lc8c-0.1.1 against master#ede55518431154bc761f7b2438cce9078c162700 for pr-53707
Aug 31 00:09:44.975 INFO running: cargo +ede55518431154bc761f7b2438cce9078c162700-alt check --frozen --all --all-targets
Aug 31 00:09:44.976 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53707/master#ede55518431154bc761f7b2438cce9078c162700:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-3/master#ede55518431154bc761f7b2438cce9078c162700:/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 +ede55518431154bc761f7b2438cce9078c162700-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 00:09:45.178 INFO blam! 91f99480c7050150d9fe15b0fdd1dc011c3c40419e8fe5d9e6713240b1d37dbb
Aug 31 00:09:45.181 INFO running `"docker" "start" "-a" "91f99480c7050150d9fe15b0fdd1dc011c3c40419e8fe5d9e6713240b1d37dbb"`
Aug 31 00:09:45.925 INFO kablam!    Compiling atsam4lc8c v0.1.1 (file:///source)
Aug 31 00:09:45.930 INFO kablam!     Checking panic-semihosting v0.2.0
Aug 31 00:09:45.932 INFO kablam!     Checking cortex-m-log v0.2.0
Aug 31 00:09:46.640 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Aug 31 00:09:46.640 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-semihosting-0.2.0/src/lib.rs:67:1
Aug 31 00:09:46.640 INFO kablam!    |
Aug 31 00:09:46.640 INFO kablam! 67 | #[lang = "panic_fmt"]
Aug 31 00:09:46.640 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Aug 31 00:09:46.640 INFO kablam! 
Aug 31 00:09:46.640 INFO kablam! error: aborting due to previous error
Aug 31 00:09:46.640 INFO kablam! 
Aug 31 00:09:46.640 INFO kablam! For more information about this error, try `rustc --explain E0522`.
Aug 31 00:09:46.649 INFO kablam! error: Could not compile `panic-semihosting`.
Aug 31 00:09:46.649 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 31 00:09:47.254 INFO kablam! error: build failed
Aug 31 00:09:47.255 INFO kablam! su: No module specific data is present
Aug 31 00:09:47.902 INFO running `"docker" "rm" "-f" "91f99480c7050150d9fe15b0fdd1dc011c3c40419e8fe5d9e6713240b1d37dbb"`
Aug 31 00:09:48.032 INFO blam! 91f99480c7050150d9fe15b0fdd1dc011c3c40419e8fe5d9e6713240b1d37dbb