Sep 04 23:45:16.804 INFO checking atsam4lc8c-0.1.1 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 23:45:16.804 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 23:45:16.804 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-3/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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 +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 23:45:16.990 INFO blam! 1a8c44d0fe7ee90b04a649bb3f203402cfcf6137f1b5b699a0cb71bcb3120c5a
Sep 04 23:45:16.992 INFO running `"docker" "start" "-a" "1a8c44d0fe7ee90b04a649bb3f203402cfcf6137f1b5b699a0cb71bcb3120c5a"`
Sep 04 23:45:17.692 INFO kablam!    Compiling atsam4lc8c v0.1.1 (file:///source)
Sep 04 23:45:17.693 INFO kablam!     Checking cortex-m-log v0.2.0
Sep 04 23:45:17.693 INFO kablam!     Checking panic-semihosting v0.2.0
Sep 04 23:45:18.116 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Sep 04 23:45:18.116 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-semihosting-0.2.0/src/lib.rs:67:1
Sep 04 23:45:18.116 INFO kablam!    |
Sep 04 23:45:18.116 INFO kablam! 67 | #[lang = "panic_fmt"]
Sep 04 23:45:18.117 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Sep 04 23:45:18.117 INFO kablam! 
Sep 04 23:45:18.148 INFO kablam! error: aborting due to previous error
Sep 04 23:45:18.148 INFO kablam! 
Sep 04 23:45:18.148 INFO kablam! For more information about this error, try `rustc --explain E0522`.
Sep 04 23:45:18.154 INFO kablam! error: Could not compile `panic-semihosting`.
Sep 04 23:45:18.154 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 04 23:45:18.705 INFO kablam! error: build failed
Sep 04 23:45:18.706 INFO kablam! su: No module specific data is present
Sep 04 23:45:19.058 INFO running `"docker" "rm" "-f" "1a8c44d0fe7ee90b04a649bb3f203402cfcf6137f1b5b699a0cb71bcb3120c5a"`
Sep 04 23:45:19.182 INFO blam! 1a8c44d0fe7ee90b04a649bb3f203402cfcf6137f1b5b699a0cb71bcb3120c5a