Aug 11 17:11:48.243 INFO checking cortex-m-rt-0.5.1 against master#f6d43ed84207c7e58f363f46e5a438ff40f2b311 for libc-1
Aug 11 17:11:48.243 INFO running: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 17:11:48.243 INFO creating container for: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 17:11:48.243 INFO running `"docker" "create" "-v" "/tmp/crater.T3HSmHc8aXf9:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-0/master#f6d43ed84207c7e58f363f46e5a438ff40f2b311:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 11 17:11:48.503 INFO blam! f7693291bd618e1e651237f6507f456fa221dac5536f691ad8c84738232ea9c8
Aug 11 17:11:48.505 INFO running `"docker" "start" "-a" "f7693291bd618e1e651237f6507f456fa221dac5536f691ad8c84738232ea9c8"`
Aug 11 17:11:49.510 INFO kablam!    Compiling cortex-m-rt v0.5.1 (file:///source)
Aug 11 17:11:49.513 INFO kablam!     Checking panic-semihosting v0.2.0
Aug 11 17:11:49.959 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Aug 11 17:11:49.959 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-semihosting-0.2.0/src/lib.rs:67:1
Aug 11 17:11:49.959 INFO kablam!    |
Aug 11 17:11:49.959 INFO kablam! 67 | #[lang = "panic_fmt"]
Aug 11 17:11:49.959 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Aug 11 17:11:49.959 INFO kablam! 
Aug 11 17:11:49.959 INFO kablam! error: aborting due to previous error
Aug 11 17:11:49.960 INFO kablam! 
Aug 11 17:11:49.960 INFO kablam! For more information about this error, try `rustc --explain E0522`.
Aug 11 17:11:49.973 INFO kablam! error: Could not compile `panic-semihosting`.
Aug 11 17:11:49.974 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 11 17:11:51.435 INFO kablam! error: build failed
Aug 11 17:11:51.437 INFO kablam! su: No module specific data is present
Aug 11 17:11:52.268 INFO running `"docker" "rm" "-f" "f7693291bd618e1e651237f6507f456fa221dac5536f691ad8c84738232ea9c8"`
Aug 11 17:11:52.415 INFO blam! f7693291bd618e1e651237f6507f456fa221dac5536f691ad8c84738232ea9c8