Dec 18 08:40:59.414 INFO checking AleVul/kernel_playground against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 08:40:59.414 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/AleVul/kernel_playground:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 08:40:59.712 INFO [stdout] 2fcd17fc066213fed9afe706b5f50323c55014d0924c7220c029c281d25209bc
Dec 18 08:40:59.718 INFO running `"docker" "start" "-a" "2fcd17fc066213fed9afe706b5f50323c55014d0924c7220c029c281d25209bc"`
Dec 18 08:41:00.696 INFO [stderr]     Checking ux v0.1.2
Dec 18 08:41:11.679 INFO [stderr]     Checking x86_64 v0.2.11
Dec 18 08:41:13.248 INFO [stderr]     Checking bootloader_precompiled v0.3.0
Dec 18 08:41:13.937 INFO [stderr]     Checking kernel_playground v0.1.0 (/opt/crater/workdir)
Dec 18 08:41:15.364 INFO [stderr] error[E0152]: duplicate lang item found: `panic_impl`.
Dec 18 08:41:15.364 INFO [stderr]   --> src/main.rs:32:1
Dec 18 08:41:15.364 INFO [stderr]    |
Dec 18 08:41:15.364 INFO [stderr] 32 | / fn panic(_info: &PanicInfo) -> ! {
Dec 18 08:41:15.364 INFO [stderr] 33 | |     loop {}
Dec 18 08:41:15.364 INFO [stderr] 34 | | }
Dec 18 08:41:15.364 INFO [stderr]    | |_^
Dec 18 08:41:15.364 INFO [stderr]    |
Dec 18 08:41:15.364 INFO [stderr]    = note: first defined in crate `std`.
Dec 18 08:41:15.364 INFO [stderr] 
Dec 18 08:41:15.374 INFO [stderr] error: aborting due to previous error
Dec 18 08:41:15.374 INFO [stderr] 
Dec 18 08:41:15.374 INFO [stderr] For more information about this error, try `rustc --explain E0152`.
Dec 18 08:41:15.383 INFO [stderr] error: Could not compile `kernel_playground`.
Dec 18 08:41:15.383 INFO [stderr] 
Dec 18 08:41:15.383 INFO [stderr] To learn more, run the command again with --verbose.
Dec 18 08:41:16.122 INFO running `"docker" "inspect" "2fcd17fc066213fed9afe706b5f50323c55014d0924c7220c029c281d25209bc"`
Dec 18 08:41:16.420 INFO running `"docker" "rm" "-f" "2fcd17fc066213fed9afe706b5f50323c55014d0924c7220c029c281d25209bc"`
Dec 18 08:41:16.672 INFO [stdout] 2fcd17fc066213fed9afe706b5f50323c55014d0924c7220c029c281d25209bc