[INFO] cloning repository https://github.com/AlbertNath/winter_OS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlbertNath/winter_OS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlbertNath%2Fwinter_OS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlbertNath%2Fwinter_OS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a98c327156f12b46ee1bc02c6c8a4746036efe7e
[INFO] checking AlbertNath/winter_OS against try#f70ee28831acc074c109afab32d287057c3eca46 for pr-149389
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlbertNath%2Fwinter_OS" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/AlbertNath/winter_OS
[INFO] finished tweaking git repo https://github.com/AlbertNath/winter_OS
[INFO] tweaked toml for git repo https://github.com/AlbertNath/winter_OS written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AlbertNath/winter_OS on toolchain f70ee28831acc074c109afab32d287057c3eca46
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AlbertNath/winter_OS already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf0de8dc4dd7d029d7d82fae70c2e0bad9a7ce76b2e594635e48251ecd3f180a
[INFO] running `Command { std: "docker" "start" "-a" "cf0de8dc4dd7d029d7d82fae70c2e0bad9a7ce76b2e594635e48251ecd3f180a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf0de8dc4dd7d029d7d82fae70c2e0bad9a7ce76b2e594635e48251ecd3f180a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf0de8dc4dd7d029d7d82fae70c2e0bad9a7ce76b2e594635e48251ecd3f180a", kill_on_drop: false }`
[INFO] [stdout] cf0de8dc4dd7d029d7d82fae70c2e0bad9a7ce76b2e594635e48251ecd3f180a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ce94589c5ccdd411b93fb83542bc42b71b55f10bd4af10601de6e7ec8da873a
[INFO] running `Command { std: "docker" "start" "-a" "4ce94589c5ccdd411b93fb83542bc42b71b55f10bd4af10601de6e7ec8da873a", kill_on_drop: false }`
[INFO] [stderr]    Compiling bootloader v0.9.23
[INFO] [stderr]     Checking winter_os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `winter_os` (bin "winter_os" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/main.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / fn panic(_info: &PanicInfo) -> ! {
[INFO] [stdout] 25 | |     loop {}
[INFO] [stdout] 26 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout]    = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/f70ee28831acc074c109afab32d287057c3eca46/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-8f13478ecb534816.rlib
[INFO] [stdout]    = note: second definition in the local crate (`winter_os`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4ce94589c5ccdd411b93fb83542bc42b71b55f10bd4af10601de6e7ec8da873a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ce94589c5ccdd411b93fb83542bc42b71b55f10bd4af10601de6e7ec8da873a", kill_on_drop: false }`
[INFO] [stdout] 4ce94589c5ccdd411b93fb83542bc42b71b55f10bd4af10601de6e7ec8da873a
