Dec 19 14:24:56.392 INFO checking kevin-bebel/rust_os against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 14:24:56.392 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/kevin-bebel/rust_os:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 14:24:56.993 INFO [stdout] 26b4e368f143db8b1e92931223992062a8beca741ee2815943d5459a011be437
Dec 19 14:24:56.995 INFO running `"docker" "start" "-a" "26b4e368f143db8b1e92931223992062a8beca741ee2815943d5459a011be437"`
Dec 19 14:24:59.469 INFO [stderr]     Checking bitflags v1.0.4
Dec 19 14:24:59.476 INFO [stderr]     Checking bit_field v0.9.0
Dec 19 14:24:59.477 INFO [stderr]     Checking zero v0.1.2
Dec 19 14:24:59.486 INFO [stderr]     Checking ux v0.1.2
Dec 19 14:24:59.488 INFO [stderr]     Checking usize_conversions v0.2.0
Dec 19 14:25:00.266 INFO [stderr]    Compiling getopts v0.2.18
Dec 19 14:25:00.565 INFO [stderr]     Checking xmas-elf v0.6.2
Dec 19 14:25:04.371 INFO [stderr]    Compiling pulldown-cmark v0.0.3
Dec 19 14:25:09.416 INFO [stderr]    Compiling skeptic v0.5.0
Dec 19 14:25:11.498 INFO [stderr]    Compiling fixedvec v0.2.3
Dec 19 14:25:21.128 INFO [stderr]     Checking x86_64 v0.2.14
Dec 19 14:25:24.010 INFO [stderr]     Checking bootloader v0.3.4
Dec 19 14:25:24.654 INFO [stderr]     Checking rust_os v0.1.0 (/opt/crater/workdir)
Dec 19 14:25:25.056 INFO [stderr] error[E0152]: duplicate lang item found: `panic_impl`.
Dec 19 14:25:25.056 INFO [stderr]   --> src/main.rs:13:1
Dec 19 14:25:25.056 INFO [stderr]    |
Dec 19 14:25:25.056 INFO [stderr] 13 | / fn panic(_info: &PanicInfo) -> ! {
Dec 19 14:25:25.056 INFO [stderr] 14 | |     loop {}
Dec 19 14:25:25.056 INFO [stderr] 15 | | }
Dec 19 14:25:25.057 INFO [stderr]    | |_^
Dec 19 14:25:25.057 INFO [stderr]    |
Dec 19 14:25:25.057 INFO [stderr]    = note: first defined in crate `std`.
Dec 19 14:25:25.057 INFO [stderr] 
Dec 19 14:25:25.059 INFO [stderr] error: aborting due to previous error
Dec 19 14:25:25.059 INFO [stderr] 
Dec 19 14:25:25.059 INFO [stderr] For more information about this error, try `rustc --explain E0152`.
Dec 19 14:25:25.085 INFO [stderr] error: Could not compile `rust_os`.
Dec 19 14:25:25.085 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 19 14:25:25.338 INFO [stderr] error: build failed
Dec 19 14:25:26.729 INFO running `"docker" "inspect" "26b4e368f143db8b1e92931223992062a8beca741ee2815943d5459a011be437"`
Dec 19 14:25:27.076 INFO running `"docker" "rm" "-f" "26b4e368f143db8b1e92931223992062a8beca741ee2815943d5459a011be437"`
Dec 19 14:25:27.396 INFO [stdout] 26b4e368f143db8b1e92931223992062a8beca741ee2815943d5459a011be437