Nov 28 14:44:39.799 INFO checking AleVul/kernel_playground against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 14:44:39.799 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-2/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 28 14:44:40.082 INFO [stdout] 2b9554154942f7b33f5d0c63418505dd835ce438602fb05a1c974a2f14064bcb
Nov 28 14:44:40.082 INFO running `"docker" "start" "-a" "2b9554154942f7b33f5d0c63418505dd835ce438602fb05a1c974a2f14064bcb"`
Nov 28 14:44:40.976 INFO [stderr] usermod: no changes
Nov 28 14:44:41.072 INFO [stderr]     Checking x86_64 v0.2.11
Nov 28 14:44:42.752 INFO [stderr]     Checking bootloader_precompiled v0.3.0
Nov 28 14:44:43.212 INFO [stderr]     Checking kernel_playground v0.1.0 (/source)
Nov 28 14:44:44.016 INFO [stderr] error[E0152]: duplicate lang item found: `panic_impl`.
Nov 28 14:44:44.017 INFO [stderr]   --> src/main.rs:32:1
Nov 28 14:44:44.017 INFO [stderr]    |
Nov 28 14:44:44.017 INFO [stderr] 32 | / fn panic(_info: &PanicInfo) -> ! {
Nov 28 14:44:44.018 INFO [stderr] 33 | |     loop {}
Nov 28 14:44:44.018 INFO [stderr] 34 | | }
Nov 28 14:44:44.018 INFO [stderr]    | |_^
Nov 28 14:44:44.018 INFO [stderr]    |
Nov 28 14:44:44.019 INFO [stderr]    = note: first defined in crate `std`.
Nov 28 14:44:44.019 INFO [stderr] 
Nov 28 14:44:44.031 INFO [stderr] error: aborting due to previous error
Nov 28 14:44:44.031 INFO [stderr] 
Nov 28 14:44:44.031 INFO [stderr] For more information about this error, try `rustc --explain E0152`.
Nov 28 14:44:44.036 INFO [stderr] error: Could not compile `kernel_playground`.
Nov 28 14:44:44.036 INFO [stderr] 
Nov 28 14:44:44.037 INFO [stderr] To learn more, run the command again with --verbose.
Nov 28 14:44:44.038 INFO [stderr] su: No module specific data is present
Nov 28 14:44:44.393 INFO running `"docker" "inspect" "2b9554154942f7b33f5d0c63418505dd835ce438602fb05a1c974a2f14064bcb"`
Nov 28 14:44:44.627 INFO running `"docker" "rm" "-f" "2b9554154942f7b33f5d0c63418505dd835ce438602fb05a1c974a2f14064bcb"`
Nov 28 14:44:44.834 INFO [stdout] 2b9554154942f7b33f5d0c63418505dd835ce438602fb05a1c974a2f14064bcb