Sep 20 06:24:03.647 INFO checking atsam4lc8c-0.1.1 against try#135b4cd023a753409d01e43b0f23d22a899feeeb for pr-54352
Sep 20 06:24:03.647 INFO running: cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets
Sep 20 06:24:03.647 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54352/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-5/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/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 +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 06:24:04.175 INFO blam! bdc5893b64b74725be8db36cda4f7eaedffefc7c548a75245ea5fe5d13eb1bed
Sep 20 06:24:04.177 INFO running `"docker" "start" "-a" "bdc5893b64b74725be8db36cda4f7eaedffefc7c548a75245ea5fe5d13eb1bed"`
Sep 20 06:24:05.429 INFO kablam! usermod: no changes
Sep 20 06:24:05.626 INFO kablam!    Compiling cortex-m-rt v0.6.3
Sep 20 06:24:05.631 INFO kablam!    Compiling atsam4lc8c v0.1.1 (/source)
Sep 20 06:24:05.631 INFO kablam!     Checking panic-semihosting v0.2.0
Sep 20 06:24:05.631 INFO kablam!     Checking cortex-m-log v0.2.0
Sep 20 06:24:06.386 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Sep 20 06:24:06.386 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-semihosting-0.2.0/src/lib.rs:67:1
Sep 20 06:24:06.386 INFO kablam!    |
Sep 20 06:24:06.386 INFO kablam! 67 | #[lang = "panic_fmt"]
Sep 20 06:24:06.386 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Sep 20 06:24:06.386 INFO kablam! 
Sep 20 06:24:06.458 INFO kablam! error: aborting due to previous error
Sep 20 06:24:06.458 INFO kablam! 
Sep 20 06:24:06.458 INFO kablam! For more information about this error, try `rustc --explain E0522`.
Sep 20 06:24:06.478 INFO kablam! error: Could not compile `panic-semihosting`.
Sep 20 06:24:06.478 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 20 06:24:07.714 INFO kablam! error: build failed
Sep 20 06:24:07.714 INFO kablam! su: No module specific data is present
Sep 20 06:24:08.796 INFO running `"docker" "rm" "-f" "bdc5893b64b74725be8db36cda4f7eaedffefc7c548a75245ea5fe5d13eb1bed"`
Sep 20 06:24:08.930 INFO blam! bdc5893b64b74725be8db36cda4f7eaedffefc7c548a75245ea5fe5d13eb1bed