Jul 12 11:48:51.218 INFO checking cortex-m-rt-0.5.1 against master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9 for pr-52234
Jul 12 11:48:51.218 INFO running: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 12 11:48:51.218 INFO creating container for: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 12 11:48:51.219 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-52234/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-3/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/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 +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 12 11:48:51.503 INFO blam! 00927b25ded2df3b2895f7ade546fb1bd29375d784f93680c2e521c909bf88d9
Jul 12 11:48:51.505 INFO running `"docker" "start" "-a" "00927b25ded2df3b2895f7ade546fb1bd29375d784f93680c2e521c909bf88d9"`
Jul 12 11:48:52.687 INFO kablam!    Compiling cortex-m-rt v0.5.1 (file:///source)
Jul 12 11:48:52.688 INFO kablam!     Checking panic-semihosting v0.2.0
Jul 12 11:48:53.357 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Jul 12 11:48:53.357 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-semihosting-0.2.0/src/lib.rs:67:1
Jul 12 11:48:53.357 INFO kablam!    |
Jul 12 11:48:53.357 INFO kablam! 67 | #[lang = "panic_fmt"]
Jul 12 11:48:53.357 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Jul 12 11:48:53.357 INFO kablam! 
Jul 12 11:48:53.357 INFO kablam! error: aborting due to previous error
Jul 12 11:48:53.358 INFO kablam! 
Jul 12 11:48:53.358 INFO kablam! For more information about this error, try `rustc --explain E0522`.
Jul 12 11:48:53.364 INFO kablam! error: Could not compile `panic-semihosting`.
Jul 12 11:48:53.365 INFO kablam! warning: build failed, waiting for other jobs to finish...
Jul 12 11:48:54.531 INFO kablam! error: build failed
Jul 12 11:48:54.533 INFO kablam! su: No module specific data is present
Jul 12 11:48:55.063 INFO running `"docker" "rm" "-f" "00927b25ded2df3b2895f7ade546fb1bd29375d784f93680c2e521c909bf88d9"`
Jul 12 11:48:55.224 INFO blam! 00927b25ded2df3b2895f7ade546fb1bd29375d784f93680c2e521c909bf88d9