Sep 02 15:39:45.171 INFO checking efm32gg-stk3700-0.1.0 against try#952c7dbfa2628309f557b367929ffc17af20b332 for pr-53851 Sep 02 15:39:45.172 INFO running: cargo +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets Sep 02 15:39:45.172 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53851/try#952c7dbfa2628309f557b367929ffc17af20b332:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-1/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 15:39:45.390 INFO blam! 55aac895c498d437d1837b598a51f0cf55f77d92baa27a5cc5406797e6105cbf Sep 02 15:39:45.392 INFO running `"docker" "start" "-a" "55aac895c498d437d1837b598a51f0cf55f77d92baa27a5cc5406797e6105cbf"` Sep 02 15:39:46.056 INFO kablam! Compiling cortex-m-rt v0.5.3 Sep 02 15:39:46.057 INFO kablam! Checking efm32gg990 v0.1.2 Sep 02 15:39:46.058 INFO kablam! Checking panic-semihosting v0.2.0 Sep 02 15:39:46.413 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt` Sep 02 15:39:46.413 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-semihosting-0.2.0/src/lib.rs:67:1 Sep 02 15:39:46.413 INFO kablam! | Sep 02 15:39:46.413 INFO kablam! 67 | #[lang = "panic_fmt"] Sep 02 15:39:46.413 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt` Sep 02 15:39:46.413 INFO kablam! Sep 02 15:39:46.446 INFO kablam! error: aborting due to previous error Sep 02 15:39:46.446 INFO kablam! Sep 02 15:39:46.446 INFO kablam! For more information about this error, try `rustc --explain E0522`. Sep 02 15:39:46.453 INFO kablam! error: Could not compile `panic-semihosting`. Sep 02 15:39:46.454 INFO kablam! warning: build failed, waiting for other jobs to finish... Sep 02 15:41:02.617 INFO kablam! error: build failed Sep 02 15:41:02.618 INFO kablam! su: No module specific data is present Sep 02 15:41:03.018 INFO running `"docker" "rm" "-f" "55aac895c498d437d1837b598a51f0cf55f77d92baa27a5cc5406797e6105cbf"` Sep 02 15:41:03.142 INFO blam! 55aac895c498d437d1837b598a51f0cf55f77d92baa27a5cc5406797e6105cbf