Sep 06 09:48:05.657 INFO checking atsam4lc8c-0.1.1 against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 06 09:48:05.657 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 06 09:48:05.657 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-5/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 09:48:05.882 INFO blam! 487e955d398e8b0951f29b9dfe509bab0f47ea970de6ddf81ff1d9a36db9e2b5
Sep 06 09:48:05.884 INFO running `"docker" "start" "-a" "487e955d398e8b0951f29b9dfe509bab0f47ea970de6ddf81ff1d9a36db9e2b5"`
Sep 06 09:48:06.918 INFO kablam! usermod: no changes
Sep 06 09:48:07.127 INFO kablam!    Compiling atsam4lc8c v0.1.1 (file:///source)
Sep 06 09:48:07.144 INFO kablam!     Checking cortex-m-log v0.2.0
Sep 06 09:48:07.144 INFO kablam!     Checking panic-semihosting v0.2.0
Sep 06 09:48:07.718 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Sep 06 09:48:07.718 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-semihosting-0.2.0/src/lib.rs:67:1
Sep 06 09:48:07.718 INFO kablam!    |
Sep 06 09:48:07.718 INFO kablam! 67 | #[lang = "panic_fmt"]
Sep 06 09:48:07.718 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Sep 06 09:48:07.718 INFO kablam! 
Sep 06 09:48:07.778 INFO kablam! error: aborting due to previous error
Sep 06 09:48:07.778 INFO kablam! 
Sep 06 09:48:07.778 INFO kablam! For more information about this error, try `rustc --explain E0522`.
Sep 06 09:48:07.794 INFO kablam! error: Could not compile `panic-semihosting`.
Sep 06 09:48:07.794 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 06 09:48:08.338 INFO kablam! error: build failed
Sep 06 09:48:08.339 INFO kablam! su: No module specific data is present
Sep 06 09:48:09.730 INFO running `"docker" "rm" "-f" "487e955d398e8b0951f29b9dfe509bab0f47ea970de6ddf81ff1d9a36db9e2b5"`
Sep 06 09:48:09.842 INFO blam! 487e955d398e8b0951f29b9dfe509bab0f47ea970de6ddf81ff1d9a36db9e2b5