Aug 30 23:45:59.260 INFO checking atsam4lc8c-0.1.1 against try#bc5a74802bb3ffc82f51ef04bca58d64220124c4 for pr-53699
Aug 30 23:45:59.260 INFO running: cargo +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets
Aug 30 23:45:59.260 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53699/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-1/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/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 +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 23:45:59.424 INFO blam! b5d26a7dfb9efb82de31330f87d7d8045a3df16b38d7e3b8e4bcc77e5382d7db
Aug 30 23:45:59.426 INFO running `"docker" "start" "-a" "b5d26a7dfb9efb82de31330f87d7d8045a3df16b38d7e3b8e4bcc77e5382d7db"`
Aug 30 23:46:00.149 INFO kablam!    Compiling atsam4lc8c v0.1.1 (file:///source)
Aug 30 23:46:00.151 INFO kablam!     Checking panic-semihosting v0.2.0
Aug 30 23:46:00.151 INFO kablam!     Checking cortex-m-log v0.2.0
Aug 30 23:46:00.569 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Aug 30 23:46:00.569 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-semihosting-0.2.0/src/lib.rs:67:1
Aug 30 23:46:00.569 INFO kablam!    |
Aug 30 23:46:00.569 INFO kablam! 67 | #[lang = "panic_fmt"]
Aug 30 23:46:00.569 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Aug 30 23:46:00.569 INFO kablam! 
Aug 30 23:46:00.570 INFO kablam! error: aborting due to previous error
Aug 30 23:46:00.570 INFO kablam! 
Aug 30 23:46:00.570 INFO kablam! For more information about this error, try `rustc --explain E0522`.
Aug 30 23:46:00.575 INFO kablam! error: Could not compile `panic-semihosting`.
Aug 30 23:46:00.575 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 30 23:46:01.215 INFO kablam! error: build failed
Aug 30 23:46:01.217 INFO kablam! su: No module specific data is present
Aug 30 23:46:01.640 INFO running `"docker" "rm" "-f" "b5d26a7dfb9efb82de31330f87d7d8045a3df16b38d7e3b8e4bcc77e5382d7db"`
Aug 30 23:46:01.756 INFO blam! b5d26a7dfb9efb82de31330f87d7d8045a3df16b38d7e3b8e4bcc77e5382d7db