Aug 30 08:22:38.558 INFO checking panic-halt-0.1.0 against master#545f22340f72ee0efaf6463efb43a2840e3d35db for pr-53699 Aug 30 08:22:38.558 INFO running: cargo +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets Aug 30 08:22:38.558 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53699/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-3/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/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 +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"` Aug 30 08:22:38.730 INFO blam! e777fb2638bc595eeebcee24281373082559aa0936cc7c456ecdf1e4f0c7ed50 Aug 30 08:22:38.736 INFO running `"docker" "start" "-a" "e777fb2638bc595eeebcee24281373082559aa0936cc7c456ecdf1e4f0c7ed50"` Aug 30 08:22:39.261 INFO kablam! Checking panic-halt v0.1.0 (file:///source) Aug 30 08:22:39.655 INFO kablam! error[E0152]: duplicate lang item found: `panic_impl`. Aug 30 08:22:39.655 INFO kablam! --> src/lib.rs:27:1 Aug 30 08:22:39.655 INFO kablam! | Aug 30 08:22:39.655 INFO kablam! 27 | / fn panic(info: &PanicInfo) -> ! { Aug 30 08:22:39.656 INFO kablam! 28 | | loop { Aug 30 08:22:39.656 INFO kablam! 29 | | unsafe { Aug 30 08:22:39.656 INFO kablam! 30 | | ptr::read_volatile(&info); Aug 30 08:22:39.656 INFO kablam! 31 | | } Aug 30 08:22:39.656 INFO kablam! 32 | | } Aug 30 08:22:39.656 INFO kablam! 33 | | } Aug 30 08:22:39.656 INFO kablam! | |_^ Aug 30 08:22:39.656 INFO kablam! | Aug 30 08:22:39.656 INFO kablam! = note: first defined in crate `std`. Aug 30 08:22:39.656 INFO kablam! Aug 30 08:22:39.656 INFO kablam! error: aborting due to previous error Aug 30 08:22:39.656 INFO kablam! Aug 30 08:22:39.656 INFO kablam! For more information about this error, try `rustc --explain E0152`. Aug 30 08:22:39.660 INFO kablam! error: Could not compile `panic-halt`. Aug 30 08:22:39.660 INFO kablam! Aug 30 08:22:39.660 INFO kablam! To learn more, run the command again with --verbose. Aug 30 08:22:39.661 INFO kablam! su: No module specific data is present Aug 30 08:22:40.052 INFO running `"docker" "rm" "-f" "e777fb2638bc595eeebcee24281373082559aa0936cc7c456ecdf1e4f0c7ed50"` Aug 30 08:22:40.140 INFO blam! e777fb2638bc595eeebcee24281373082559aa0936cc7c456ecdf1e4f0c7ed50