Sep 14 19:30:57.936 INFO checking atsam4lc8c-0.1.1 against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 19:30:57.936 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 19:30:57.936 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-6/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/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 +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 19:30:58.393 INFO blam! e4ae735547398c5af4624e8add3f6ce8a6d07df1df739c7424a0035012f7370c
Sep 14 19:30:58.394 INFO running `"docker" "start" "-a" "e4ae735547398c5af4624e8add3f6ce8a6d07df1df739c7424a0035012f7370c"`
Sep 14 19:30:59.988 INFO kablam! usermod: no changes
Sep 14 19:31:00.191 INFO kablam!    Compiling cortex-m-rt v0.6.3
Sep 14 19:31:00.199 INFO kablam!    Compiling atsam4lc8c v0.1.1 (file:///source)
Sep 14 19:31:00.223 INFO kablam!     Checking panic-semihosting v0.2.0
Sep 14 19:31:00.223 INFO kablam!     Checking cortex-m-log v0.2.0
Sep 14 19:31:00.559 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Sep 14 19:31:00.559 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-semihosting-0.2.0/src/lib.rs:67:1
Sep 14 19:31:00.559 INFO kablam!    |
Sep 14 19:31:00.559 INFO kablam! 67 | #[lang = "panic_fmt"]
Sep 14 19:31:00.559 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Sep 14 19:31:00.559 INFO kablam! 
Sep 14 19:31:00.575 INFO kablam! error: aborting due to previous error
Sep 14 19:31:00.575 INFO kablam! 
Sep 14 19:31:00.575 INFO kablam! For more information about this error, try `rustc --explain E0522`.
Sep 14 19:31:00.575 INFO kablam! error: Could not compile `panic-semihosting`.
Sep 14 19:31:00.575 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 14 19:31:02.142 INFO kablam! error: build failed
Sep 14 19:31:02.143 INFO kablam! su: No module specific data is present
Sep 14 19:31:03.342 INFO running `"docker" "rm" "-f" "e4ae735547398c5af4624e8add3f6ce8a6d07df1df739c7424a0035012f7370c"`
Sep 14 19:31:03.651 INFO blam! e4ae735547398c5af4624e8add3f6ce8a6d07df1df739c7424a0035012f7370c