Dec 17 19:14:41.394 INFO checking mrsweaters/nutbutter-os against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 19:14:41.394 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 19:14:41.793 INFO [stdout] dc585e1a118d25dfe042a96255e72574a7e643326682869663f1c30e9b53be80
Dec 17 19:14:41.798 INFO running `"docker" "start" "-a" "dc585e1a118d25dfe042a96255e72574a7e643326682869663f1c30e9b53be80"`
Dec 17 19:14:42.370 INFO [stderr]     Checking nb_os v0.1.0 (/opt/crater/workdir)
Dec 17 19:14:42.481 INFO [stderr] error[E0152]: duplicate lang item found: `panic_impl`.
Dec 17 19:14:42.482 INFO [stderr]   --> src/main.rs:17:1
Dec 17 19:14:42.482 INFO [stderr]    |
Dec 17 19:14:42.482 INFO [stderr] 17 | / fn panic(info: &PanicInfo) -> ! {
Dec 17 19:14:42.482 INFO [stderr] 18 | |     println!("{}", info);
Dec 17 19:14:42.482 INFO [stderr] 19 | |     loop {}
Dec 17 19:14:42.482 INFO [stderr] 20 | | }
Dec 17 19:14:42.482 INFO [stderr]    | |_^
Dec 17 19:14:42.482 INFO [stderr]    |
Dec 17 19:14:42.482 INFO [stderr]    = note: first defined in crate `std`.
Dec 17 19:14:42.482 INFO [stderr] 
Dec 17 19:14:42.530 INFO [stderr] error: aborting due to previous error
Dec 17 19:14:42.530 INFO [stderr] 
Dec 17 19:14:42.530 INFO [stderr] For more information about this error, try `rustc --explain E0152`.
Dec 17 19:14:42.537 INFO [stderr] error: Could not compile `nb_os`.
Dec 17 19:14:42.537 INFO [stderr] 
Dec 17 19:14:42.537 INFO [stderr] To learn more, run the command again with --verbose.
Dec 17 19:14:42.830 INFO running `"docker" "inspect" "dc585e1a118d25dfe042a96255e72574a7e643326682869663f1c30e9b53be80"`
Dec 17 19:14:42.911 INFO running `"docker" "rm" "-f" "dc585e1a118d25dfe042a96255e72574a7e643326682869663f1c30e9b53be80"`
Dec 17 19:14:43.005 INFO [stdout] dc585e1a118d25dfe042a96255e72574a7e643326682869663f1c30e9b53be80