Dec 04 13:42:32.402 INFO checking mrsweaters/nutbutter-os against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 13:42:32.402 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 13:42:32.591 INFO [stdout] e54766fc5eac154fa799008064eb4958f94de7c6c9d9d97598e9c4c2524a8130
Dec 04 13:42:32.593 INFO running `"docker" "start" "-a" "e54766fc5eac154fa799008064eb4958f94de7c6c9d9d97598e9c4c2524a8130"`
Dec 04 13:42:33.183 INFO [stderr] usermod: no changes
Dec 04 13:42:33.263 INFO [stderr]    Compiling lazy_static v1.1.0
Dec 04 13:42:33.975 INFO [stderr]     Checking nb_os v0.1.0 (/source)
Dec 04 13:42:34.323 INFO [stderr] error[E0152]: duplicate lang item found: `panic_impl`.
Dec 04 13:42:34.323 INFO [stderr]   --> src/main.rs:17:1
Dec 04 13:42:34.323 INFO [stderr]    |
Dec 04 13:42:34.323 INFO [stderr] 17 | / fn panic(info: &PanicInfo) -> ! {
Dec 04 13:42:34.323 INFO [stderr] 18 | |     println!("{}", info);
Dec 04 13:42:34.323 INFO [stderr] 19 | |     loop {}
Dec 04 13:42:34.323 INFO [stderr] 20 | | }
Dec 04 13:42:34.323 INFO [stderr]    | |_^
Dec 04 13:42:34.323 INFO [stderr]    |
Dec 04 13:42:34.323 INFO [stderr]    = note: first defined in crate `std`.
Dec 04 13:42:34.323 INFO [stderr] 
Dec 04 13:42:34.391 INFO [stderr] error: aborting due to previous error
Dec 04 13:42:34.391 INFO [stderr] 
Dec 04 13:42:34.391 INFO [stderr] For more information about this error, try `rustc --explain E0152`.
Dec 04 13:42:34.397 INFO [stderr] error: Could not compile `nb_os`.
Dec 04 13:42:34.397 INFO [stderr] 
Dec 04 13:42:34.397 INFO [stderr] To learn more, run the command again with --verbose.
Dec 04 13:42:34.399 INFO [stderr] su: No module specific data is present
Dec 04 13:42:34.827 INFO running `"docker" "inspect" "e54766fc5eac154fa799008064eb4958f94de7c6c9d9d97598e9c4c2524a8130"`
Dec 04 13:42:34.985 INFO running `"docker" "rm" "-f" "e54766fc5eac154fa799008064eb4958f94de7c6c9d9d97598e9c4c2524a8130"`
Dec 04 13:42:35.119 INFO [stdout] e54766fc5eac154fa799008064eb4958f94de7c6c9d9d97598e9c4c2524a8130