[INFO] cloning repository https://github.com/AngelM1015/My-OS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AngelM1015/My-OS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAngelM1015%2FMy-OS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAngelM1015%2FMy-OS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5bffa69084e801153371c799954ab97b155fe9b7
[INFO] checking AngelM1015/My-OS against try#9b8307bcb9d1de8ffc7e1c81c48efffdb24ee840 for pr-149518
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAngelM1015%2FMy-OS" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AngelM1015/My-OS
[INFO] finished tweaking git repo https://github.com/AngelM1015/My-OS
[INFO] tweaked toml for git repo https://github.com/AngelM1015/My-OS written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AngelM1015/My-OS on toolchain 9b8307bcb9d1de8ffc7e1c81c48efffdb24ee840
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b8307bcb9d1de8ffc7e1c81c48efffdb24ee840" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AngelM1015/My-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" "+9b8307bcb9d1de8ffc7e1c81c48efffdb24ee840" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+9b8307bcb9d1de8ffc7e1c81c48efffdb24ee840" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f7e5830a6c4e6bbd7ea28c169244926eaae6a3c6f56fa35cb843e287662dfb2
[INFO] running `Command { std: "docker" "start" "-a" "7f7e5830a6c4e6bbd7ea28c169244926eaae6a3c6f56fa35cb843e287662dfb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f7e5830a6c4e6bbd7ea28c169244926eaae6a3c6f56fa35cb843e287662dfb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f7e5830a6c4e6bbd7ea28c169244926eaae6a3c6f56fa35cb843e287662dfb2", kill_on_drop: false }`
[INFO] [stdout] 7f7e5830a6c4e6bbd7ea28c169244926eaae6a3c6f56fa35cb843e287662dfb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+9b8307bcb9d1de8ffc7e1c81c48efffdb24ee840" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 052695fc8033775231964012c14d0ad36733bd9c54a404198966c3237c910181
[INFO] running `Command { std: "docker" "start" "-a" "052695fc8033775231964012c14d0ad36733bd9c54a404198966c3237c910181", kill_on_drop: false }`
[INFO] [stderr]     Checking my_os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/main.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn panic(_info: &PanicInfo) -> ! { loop {} }
[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/9b8307bcb9d1de8ffc7e1c81c48efffdb24ee840/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-8f13478ecb534816.rlib
[INFO] [stdout]    = note: second definition in the local crate (`my_os`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `my_os` (bin "my_os" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "052695fc8033775231964012c14d0ad36733bd9c54a404198966c3237c910181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "052695fc8033775231964012c14d0ad36733bd9c54a404198966c3237c910181", kill_on_drop: false }`
[INFO] [stdout] 052695fc8033775231964012c14d0ad36733bd9c54a404198966c3237c910181
