Aug 11 19:39:50.889 INFO checking atsam4lc8c-0.1.1 against try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy for libc-1
Aug 11 19:39:50.889 INFO running: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 19:39:50.889 INFO creating container for: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 19:39:50.889 INFO running `"docker" "create" "-v" "/tmp/crater.YCgu4Gs3jKwh:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-0/try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 11 19:39:51.103 INFO blam! 30247ca665693e2d07243e0054c96de6b9c2268bf7ddc55d000d2e6eba074582
Aug 11 19:39:51.103 INFO running `"docker" "start" "-a" "30247ca665693e2d07243e0054c96de6b9c2268bf7ddc55d000d2e6eba074582"`
Aug 11 19:39:52.945 INFO kablam!    Compiling atsam4lc8c v0.1.1 (file:///source)
Aug 11 19:39:52.945 INFO kablam!    Compiling cortex-m-rt v0.5.1
Aug 11 19:39:52.946 INFO kablam!     Checking cortex-m-log v0.2.0
Aug 11 19:39:52.946 INFO kablam!     Checking panic-semihosting v0.2.0
Aug 11 19:39:53.194 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Aug 11 19:39:53.194 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-semihosting-0.2.0/src/lib.rs:67:1
Aug 11 19:39:53.194 INFO kablam!    |
Aug 11 19:39:53.194 INFO kablam! 67 | #[lang = "panic_fmt"]
Aug 11 19:39:53.194 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Aug 11 19:39:53.195 INFO kablam! 
Aug 11 19:39:53.195 INFO kablam! error: aborting due to previous error
Aug 11 19:39:53.196 INFO kablam! 
Aug 11 19:39:53.196 INFO kablam! For more information about this error, try `rustc --explain E0522`.
Aug 11 19:39:53.206 INFO kablam! error: Could not compile `panic-semihosting`.
Aug 11 19:39:53.206 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 11 19:39:54.163 INFO kablam! error: build failed
Aug 11 19:39:54.164 INFO kablam! su: No module specific data is present
Aug 11 19:39:54.939 INFO running `"docker" "rm" "-f" "30247ca665693e2d07243e0054c96de6b9c2268bf7ddc55d000d2e6eba074582"`
Aug 11 19:39:55.104 INFO blam! 30247ca665693e2d07243e0054c96de6b9c2268bf7ddc55d000d2e6eba074582