Dec 19 14:24:54.880 INFO checking kevin-bebel/rust_os against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 14:24:54.880 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 14:24:55.318 INFO [stdout] d635f85428f4778922d54fb6c868beb31e5d340c13fb9e24bde2b1e0f0cea5fd
Dec 19 14:24:55.320 INFO running `"docker" "start" "-a" "d635f85428f4778922d54fb6c868beb31e5d340c13fb9e24bde2b1e0f0cea5fd"`
Dec 19 14:24:57.437 INFO [stderr]     Checking os_bootinfo v0.2.1
Dec 19 14:24:57.437 INFO [stderr]     Checking usize_conversions v0.2.0
Dec 19 14:24:57.437 INFO [stderr]     Checking ux v0.1.2
Dec 19 14:24:57.437 INFO [stderr]     Checking zero v0.1.2
Dec 19 14:24:57.462 INFO [stderr]     Checking bit_field v0.9.0
Dec 19 14:24:58.636 INFO [stderr]    Compiling getopts v0.2.18
Dec 19 14:24:58.685 INFO [stderr]     Checking xmas-elf v0.6.2
Dec 19 14:25:03.580 INFO [stderr]    Compiling pulldown-cmark v0.0.3
Dec 19 14:25:09.444 INFO [stderr]    Compiling skeptic v0.5.0
Dec 19 14:25:11.848 INFO [stderr]    Compiling fixedvec v0.2.3
Dec 19 14:25:21.601 INFO [stderr]     Checking x86_64 v0.2.14
Dec 19 14:25:24.408 INFO [stderr]     Checking bootloader v0.3.4
Dec 19 14:25:24.842 INFO [stderr]     Checking rust_os v0.1.0 (/opt/crater/workdir)
Dec 19 14:25:25.892 INFO [stderr] error[E0152]: duplicate lang item found: `panic_impl`.
Dec 19 14:25:25.892 INFO [stderr]   --> src/main.rs:13:1
Dec 19 14:25:25.892 INFO [stderr]    |
Dec 19 14:25:25.892 INFO [stderr] 13 | / fn panic(_info: &PanicInfo) -> ! {
Dec 19 14:25:25.892 INFO [stderr] 14 | |     loop {}
Dec 19 14:25:25.892 INFO [stderr] 15 | | }
Dec 19 14:25:25.892 INFO [stderr]    | |_^
Dec 19 14:25:25.892 INFO [stderr]    |
Dec 19 14:25:25.892 INFO [stderr]    = note: first defined in crate `std`.
Dec 19 14:25:25.892 INFO [stderr] 
Dec 19 14:25:25.904 INFO [stderr] error: aborting due to previous error
Dec 19 14:25:25.904 INFO [stderr] 
Dec 19 14:25:25.904 INFO [stderr] For more information about this error, try `rustc --explain E0152`.
Dec 19 14:25:25.910 INFO [stderr] error: Could not compile `rust_os`.
Dec 19 14:25:25.910 INFO [stderr] 
Dec 19 14:25:25.910 INFO [stderr] To learn more, run the command again with --verbose.
Dec 19 14:25:26.856 INFO running `"docker" "inspect" "d635f85428f4778922d54fb6c868beb31e5d340c13fb9e24bde2b1e0f0cea5fd"`
Dec 19 14:25:27.166 INFO running `"docker" "rm" "-f" "d635f85428f4778922d54fb6c868beb31e5d340c13fb9e24bde2b1e0f0cea5fd"`
Dec 19 14:25:27.556 INFO [stdout] d635f85428f4778922d54fb6c868beb31e5d340c13fb9e24bde2b1e0f0cea5fd