Dec 05 03:36:19.257 INFO checking AleVul/kernel_playground against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 03:36:19.257 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 05 03:36:19.655 INFO [stdout] c3beb35f9017bc7e51a6fdf0b920b38381a531f29f476d76dbd321de7a7f1ae9
Dec 05 03:36:19.659 INFO running `"docker" "start" "-a" "c3beb35f9017bc7e51a6fdf0b920b38381a531f29f476d76dbd321de7a7f1ae9"`
Dec 05 03:36:20.819 INFO [stderr] usermod: no changes
Dec 05 03:36:20.907 INFO [stderr]     Checking bit_field v0.9.0
Dec 05 03:36:20.907 INFO [stderr]     Checking ux v0.1.2
Dec 05 03:36:20.907 INFO [stderr]     Checking usize_conversions v0.2.0
Dec 05 03:36:20.923 INFO [stderr]     Checking bitflags v1.0.4
Dec 05 03:36:20.923 INFO [stderr]     Checking x86_64 v0.2.11
Dec 05 03:36:23.255 INFO [stderr]     Checking bootloader_precompiled v0.3.0
Dec 05 03:36:23.749 INFO [stderr]     Checking kernel_playground v0.1.0 (/source)
Dec 05 03:36:25.055 INFO [stderr] error[E0152]: duplicate lang item found: `panic_impl`.
Dec 05 03:36:25.055 INFO [stderr]   --> src/main.rs:32:1
Dec 05 03:36:25.055 INFO [stderr]    |
Dec 05 03:36:25.055 INFO [stderr] 32 | / fn panic(_info: &PanicInfo) -> ! {
Dec 05 03:36:25.055 INFO [stderr] 33 | |     loop {}
Dec 05 03:36:25.055 INFO [stderr] 34 | | }
Dec 05 03:36:25.055 INFO [stderr]    | |_^
Dec 05 03:36:25.055 INFO [stderr]    |
Dec 05 03:36:25.055 INFO [stderr]    = note: first defined in crate `std`.
Dec 05 03:36:25.055 INFO [stderr] 
Dec 05 03:36:25.086 INFO [stderr] error: aborting due to previous error
Dec 05 03:36:25.086 INFO [stderr] 
Dec 05 03:36:25.086 INFO [stderr] For more information about this error, try `rustc --explain E0152`.
Dec 05 03:36:25.111 INFO [stderr] error: Could not compile `kernel_playground`.
Dec 05 03:36:25.111 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 05 03:36:31.527 INFO [stderr] error: build failed
Dec 05 03:36:31.535 INFO [stderr] su: No module specific data is present
Dec 05 03:36:32.794 INFO running `"docker" "inspect" "c3beb35f9017bc7e51a6fdf0b920b38381a531f29f476d76dbd321de7a7f1ae9"`
Dec 05 03:36:33.133 INFO running `"docker" "rm" "-f" "c3beb35f9017bc7e51a6fdf0b920b38381a531f29f476d76dbd321de7a7f1ae9"`
Dec 05 03:36:33.431 INFO [stdout] c3beb35f9017bc7e51a6fdf0b920b38381a531f29f476d76dbd321de7a7f1ae9