Dec 12 04:05:30.753 INFO checking AleVul/kernel_playground against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 04:05:30.753 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 04:05:31.192 INFO [stdout] 93c01c9d9502486002460e15534fdaf72938d317377c77f417b735d68da775a8
Dec 12 04:05:31.200 INFO running `"docker" "start" "-a" "93c01c9d9502486002460e15534fdaf72938d317377c77f417b735d68da775a8"`
Dec 12 04:05:32.344 INFO [stderr] usermod: no changes
Dec 12 04:05:32.440 INFO [stderr]     Checking ux v0.1.2
Dec 12 04:05:45.544 INFO [stderr]     Checking x86_64 v0.2.11
Dec 12 04:05:47.377 INFO [stderr]     Checking bootloader_precompiled v0.3.0
Dec 12 04:05:47.992 INFO [stderr]     Checking kernel_playground v0.1.0 (/source)
Dec 12 04:05:50.464 INFO [stderr] error[E0152]: duplicate lang item found: `panic_impl`.
Dec 12 04:05:50.464 INFO [stderr]   --> src/main.rs:32:1
Dec 12 04:05:50.464 INFO [stderr]    |
Dec 12 04:05:50.464 INFO [stderr] 32 | / fn panic(_info: &PanicInfo) -> ! {
Dec 12 04:05:50.464 INFO [stderr] 33 | |     loop {}
Dec 12 04:05:50.464 INFO [stderr] 34 | | }
Dec 12 04:05:50.464 INFO [stderr]    | |_^
Dec 12 04:05:50.464 INFO [stderr]    |
Dec 12 04:05:50.464 INFO [stderr]    = note: first defined in crate `std`.
Dec 12 04:05:50.464 INFO [stderr] 
Dec 12 04:05:50.471 INFO [stderr] error: aborting due to previous error
Dec 12 04:05:50.471 INFO [stderr] 
Dec 12 04:05:50.471 INFO [stderr] For more information about this error, try `rustc --explain E0152`.
Dec 12 04:05:50.505 INFO [stderr] error: Could not compile `kernel_playground`.
Dec 12 04:05:50.505 INFO [stderr] 
Dec 12 04:05:50.505 INFO [stderr] To learn more, run the command again with --verbose.
Dec 12 04:05:50.505 INFO [stderr] su: No module specific data is present
Dec 12 04:05:51.354 INFO running `"docker" "inspect" "93c01c9d9502486002460e15534fdaf72938d317377c77f417b735d68da775a8"`
Dec 12 04:05:51.701 INFO running `"docker" "rm" "-f" "93c01c9d9502486002460e15534fdaf72938d317377c77f417b735d68da775a8"`
Dec 12 04:05:52.039 INFO [stdout] 93c01c9d9502486002460e15534fdaf72938d317377c77f417b735d68da775a8