Dec 12 04:05:29.766 INFO checking AleVul/kernel_playground against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 04:05:29.766 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 12 04:05:30.232 INFO [stdout] 0b5052f507a76cde13e5fd66e379860bed8029e899f8e7dc5c68dc1842038173
Dec 12 04:05:30.240 INFO running `"docker" "start" "-a" "0b5052f507a76cde13e5fd66e379860bed8029e899f8e7dc5c68dc1842038173"`
Dec 12 04:05:31.133 INFO [stderr] usermod: no changes
Dec 12 04:05:31.233 INFO [stderr]     Checking bootloader_precompiled v0.3.0
Dec 12 04:05:31.994 INFO [stderr]     Checking kernel_playground v0.1.0 (/source)
Dec 12 04:05:33.080 INFO [stderr] error[E0152]: duplicate lang item found: `panic_impl`.
Dec 12 04:05:33.080 INFO [stderr]   --> src/main.rs:32:1
Dec 12 04:05:33.080 INFO [stderr]    |
Dec 12 04:05:33.080 INFO [stderr] 32 | / fn panic(_info: &PanicInfo) -> ! {
Dec 12 04:05:33.080 INFO [stderr] 33 | |     loop {}
Dec 12 04:05:33.080 INFO [stderr] 34 | | }
Dec 12 04:05:33.080 INFO [stderr]    | |_^
Dec 12 04:05:33.080 INFO [stderr]    |
Dec 12 04:05:33.081 INFO [stderr]    = note: first defined in crate `std`.
Dec 12 04:05:33.081 INFO [stderr] 
Dec 12 04:05:33.096 INFO [stderr] error: aborting due to previous error
Dec 12 04:05:33.103 INFO [stderr] 
Dec 12 04:05:33.103 INFO [stderr] For more information about this error, try `rustc --explain E0152`.
Dec 12 04:05:33.107 INFO [stderr] error: Could not compile `kernel_playground`.
Dec 12 04:05:33.107 INFO [stderr] 
Dec 12 04:05:33.107 INFO [stderr] To learn more, run the command again with --verbose.
Dec 12 04:05:33.107 INFO [stderr] su: No module specific data is present
Dec 12 04:05:33.972 INFO running `"docker" "inspect" "0b5052f507a76cde13e5fd66e379860bed8029e899f8e7dc5c68dc1842038173"`
Dec 12 04:05:34.336 INFO running `"docker" "rm" "-f" "0b5052f507a76cde13e5fd66e379860bed8029e899f8e7dc5c68dc1842038173"`
Dec 12 04:05:34.740 INFO [stdout] 0b5052f507a76cde13e5fd66e379860bed8029e899f8e7dc5c68dc1842038173