Dec 17 19:14:42.028 INFO checking mrsweaters/nutbutter-os against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 19:14:42.028 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/mrsweaters/nutbutter-os:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 19:14:42.164 INFO [stdout] d246738a25405c295efd1489163757b6866e82a88ec8ac097151dfbdaeb0497c
Dec 17 19:14:42.165 INFO running `"docker" "start" "-a" "d246738a25405c295efd1489163757b6866e82a88ec8ac097151dfbdaeb0497c"`
Dec 17 19:14:42.625 INFO [stderr]     Checking nb_os v0.1.0 (/opt/crater/workdir)
Dec 17 19:14:42.769 INFO [stderr] error[E0152]: duplicate lang item found: `panic_impl`.
Dec 17 19:14:42.769 INFO [stderr]   --> src/main.rs:17:1
Dec 17 19:14:42.769 INFO [stderr]    |
Dec 17 19:14:42.769 INFO [stderr] 17 | / fn panic(info: &PanicInfo) -> ! {
Dec 17 19:14:42.769 INFO [stderr] 18 | |     println!("{}", info);
Dec 17 19:14:42.769 INFO [stderr] 19 | |     loop {}
Dec 17 19:14:42.769 INFO [stderr] 20 | | }
Dec 17 19:14:42.769 INFO [stderr]    | |_^
Dec 17 19:14:42.769 INFO [stderr]    |
Dec 17 19:14:42.769 INFO [stderr]    = note: first defined in crate `std`.
Dec 17 19:14:42.769 INFO [stderr] 
Dec 17 19:14:42.833 INFO [stderr] error: aborting due to previous error
Dec 17 19:14:42.833 INFO [stderr] 
Dec 17 19:14:42.833 INFO [stderr] For more information about this error, try `rustc --explain E0152`.
Dec 17 19:14:42.841 INFO [stderr] error: Could not compile `nb_os`.
Dec 17 19:14:42.841 INFO [stderr] 
Dec 17 19:14:42.841 INFO [stderr] To learn more, run the command again with --verbose.
Dec 17 19:14:43.093 INFO running `"docker" "inspect" "d246738a25405c295efd1489163757b6866e82a88ec8ac097151dfbdaeb0497c"`
Dec 17 19:14:43.176 INFO running `"docker" "rm" "-f" "d246738a25405c295efd1489163757b6866e82a88ec8ac097151dfbdaeb0497c"`
Dec 17 19:14:43.259 INFO [stdout] d246738a25405c295efd1489163757b6866e82a88ec8ac097151dfbdaeb0497c