Dec 19 16:39:09.729 INFO checking gdberrio/rustos against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 16:39:09.729 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/gdberrio/rustos:/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 16:39:10.122 INFO [stdout] ce7ebc6ec1b1b7ef72850eff2f446a66aac61f2fceccc49eb659de1b1950daea
Dec 19 16:39:10.132 INFO running `"docker" "start" "-a" "ce7ebc6ec1b1b7ef72850eff2f446a66aac61f2fceccc49eb659de1b1950daea"`
Dec 19 16:39:11.883 INFO [stderr]     Checking rustos v0.1.0 (/opt/crater/workdir)
Dec 19 16:39:12.040 INFO [stderr] warning: the feature `panic_handler` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 19 16:39:12.040 INFO [stderr]  --> src/main.rs:1:12
Dec 19 16:39:12.040 INFO [stderr]   |
Dec 19 16:39:12.040 INFO [stderr] 1 | #![feature(panic_handler)]
Dec 19 16:39:12.040 INFO [stderr]   |            ^^^^^^^^^^^^^
Dec 19 16:39:12.040 INFO [stderr]   |
Dec 19 16:39:12.040 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 19 16:39:12.040 INFO [stderr] 
Dec 19 16:39:12.204 INFO [stderr] error[E0152]: duplicate lang item found: `panic_impl`.
Dec 19 16:39:12.204 INFO [stderr]   --> src/main.rs:13:1
Dec 19 16:39:12.204 INFO [stderr]    |
Dec 19 16:39:12.204 INFO [stderr] 13 | / fn panic(_info: &PanicInfo) -> ! {
Dec 19 16:39:12.204 INFO [stderr] 14 | |     unsafe { intrinsics::abort() }
Dec 19 16:39:12.204 INFO [stderr] 15 | | }
Dec 19 16:39:12.204 INFO [stderr]    | |_^
Dec 19 16:39:12.204 INFO [stderr]    |
Dec 19 16:39:12.204 INFO [stderr]    = note: first defined in crate `std`.
Dec 19 16:39:12.204 INFO [stderr] 
Dec 19 16:39:12.204 INFO [stderr] error: aborting due to previous error
Dec 19 16:39:12.204 INFO [stderr] 
Dec 19 16:39:12.204 INFO [stderr] For more information about this error, try `rustc --explain E0152`.
Dec 19 16:39:12.208 INFO [stderr] error: Could not compile `rustos`.
Dec 19 16:39:12.208 INFO [stderr] 
Dec 19 16:39:12.208 INFO [stderr] To learn more, run the command again with --verbose.
Dec 19 16:39:12.956 INFO running `"docker" "inspect" "ce7ebc6ec1b1b7ef72850eff2f446a66aac61f2fceccc49eb659de1b1950daea"`
Dec 19 16:39:13.258 INFO running `"docker" "rm" "-f" "ce7ebc6ec1b1b7ef72850eff2f446a66aac61f2fceccc49eb659de1b1950daea"`
Dec 19 16:39:13.556 INFO [stdout] ce7ebc6ec1b1b7ef72850eff2f446a66aac61f2fceccc49eb659de1b1950daea