Sep 02 20:23:55.608 INFO checking atsam4lc8c-0.1.1 against try#952c7dbfa2628309f557b367929ffc17af20b332 for pr-53851
Sep 02 20:23:55.608 INFO running: cargo +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets
Sep 02 20:23:55.608 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53851/try#952c7dbfa2628309f557b367929ffc17af20b332:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-0/try#952c7dbfa2628309f557b367929ffc17af20b332:/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 +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 20:23:55.779 INFO blam! 48083186be7f63b69ed2f1501af560c39948e5f9dd1a0fdebe2ac11520f4c0d1
Sep 02 20:23:55.781 INFO running `"docker" "start" "-a" "48083186be7f63b69ed2f1501af560c39948e5f9dd1a0fdebe2ac11520f4c0d1"`
Sep 02 20:23:56.418 INFO kablam!    Compiling atsam4lc8c v0.1.1 (file:///source)
Sep 02 20:23:56.420 INFO kablam!     Checking cortex-m-log v0.2.0
Sep 02 20:23:56.421 INFO kablam!     Checking panic-semihosting v0.2.0
Sep 02 20:23:56.832 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Sep 02 20:23:56.832 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-semihosting-0.2.0/src/lib.rs:67:1
Sep 02 20:23:56.832 INFO kablam!    |
Sep 02 20:23:56.832 INFO kablam! 67 | #[lang = "panic_fmt"]
Sep 02 20:23:56.832 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Sep 02 20:23:56.832 INFO kablam! 
Sep 02 20:23:56.859 INFO kablam! error: aborting due to previous error
Sep 02 20:23:56.859 INFO kablam! 
Sep 02 20:23:56.859 INFO kablam! For more information about this error, try `rustc --explain E0522`.
Sep 02 20:23:56.864 INFO kablam! error: Could not compile `panic-semihosting`.
Sep 02 20:23:56.864 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 02 20:23:57.592 INFO kablam! error: build failed
Sep 02 20:23:57.593 INFO kablam! su: No module specific data is present
Sep 02 20:23:57.983 INFO running `"docker" "rm" "-f" "48083186be7f63b69ed2f1501af560c39948e5f9dd1a0fdebe2ac11520f4c0d1"`
Sep 02 20:23:58.092 INFO blam! 48083186be7f63b69ed2f1501af560c39948e5f9dd1a0fdebe2ac11520f4c0d1