Sep 18 03:33:38.682 INFO checking atsam4lc8c-0.1.1 against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 18 03:33:38.682 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 18 03:33:38.682 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-1/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/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 +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 18 03:33:39.379 INFO blam! d89d50f87c06a37a89ed51bf87f93cf1895e8d35dcf13514a45aa79710325d67
Sep 18 03:33:39.384 INFO running `"docker" "start" "-a" "d89d50f87c06a37a89ed51bf87f93cf1895e8d35dcf13514a45aa79710325d67"`
Sep 18 03:33:41.371 INFO kablam! usermod: no changes
Sep 18 03:33:41.574 INFO kablam!    Compiling cortex-m-rt v0.6.3
Sep 18 03:33:41.581 INFO kablam!    Compiling atsam4lc8c v0.1.1 (/source)
Sep 18 03:33:41.598 INFO kablam!     Checking cortex-m-log v0.2.0
Sep 18 03:33:41.599 INFO kablam!     Checking panic-semihosting v0.2.0
Sep 18 03:33:42.426 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Sep 18 03:33:42.426 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-semihosting-0.2.0/src/lib.rs:67:1
Sep 18 03:33:42.426 INFO kablam!    |
Sep 18 03:33:42.426 INFO kablam! 67 | #[lang = "panic_fmt"]
Sep 18 03:33:42.426 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Sep 18 03:33:42.426 INFO kablam! 
Sep 18 03:33:42.487 INFO kablam! error: aborting due to previous error
Sep 18 03:33:42.487 INFO kablam! 
Sep 18 03:33:42.487 INFO kablam! For more information about this error, try `rustc --explain E0522`.
Sep 18 03:33:42.514 INFO kablam! error: Could not compile `panic-semihosting`.
Sep 18 03:33:42.515 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 18 03:33:43.772 INFO kablam! error: build failed
Sep 18 03:33:43.773 INFO kablam! su: No module specific data is present
Sep 18 03:33:45.266 INFO running `"docker" "rm" "-f" "d89d50f87c06a37a89ed51bf87f93cf1895e8d35dcf13514a45aa79710325d67"`
Sep 18 03:33:45.541 INFO blam! d89d50f87c06a37a89ed51bf87f93cf1895e8d35dcf13514a45aa79710325d67