[INFO] cloning repository https://github.com/AncientBlaze/horizon_os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AncientBlaze/horizon_os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAncientBlaze%2Fhorizon_os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAncientBlaze%2Fhorizon_os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 83aaa1608a02ab2ceb3c682073683ab4ea1f90f9
[INFO] checking AncientBlaze/horizon_os against master#f8463896a9b36a04899c013bd8825a7fd29dd7a4 for pr-151920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAncientBlaze%2Fhorizon_os" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/AncientBlaze/horizon_os
[INFO] finished tweaking git repo https://github.com/AncientBlaze/horizon_os
[INFO] tweaked toml for git repo https://github.com/AncientBlaze/horizon_os written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AncientBlaze/horizon_os on toolchain f8463896a9b36a04899c013bd8825a7fd29dd7a4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AncientBlaze/horizon_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" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bootloader v0.9.29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 991c768e5ca8586a98fbf548ad916449ea7f9209b5c4468131392a695ee31b25
[INFO] running `Command { std: "docker" "start" "-a" "991c768e5ca8586a98fbf548ad916449ea7f9209b5c4468131392a695ee31b25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "991c768e5ca8586a98fbf548ad916449ea7f9209b5c4468131392a695ee31b25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "991c768e5ca8586a98fbf548ad916449ea7f9209b5c4468131392a695ee31b25", kill_on_drop: false }`
[INFO] [stdout] 991c768e5ca8586a98fbf548ad916449ea7f9209b5c4468131392a695ee31b25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51e904dfe8605ce7aaf31b04872cca4a93780799ca04b2267e694dbf1aab4f0e
[INFO] running `Command { std: "docker" "start" "-a" "51e904dfe8605ce7aaf31b04872cca4a93780799ca04b2267e694dbf1aab4f0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling bootloader v0.9.29
[INFO] [stderr]     Checking horizon_os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]  --> src/main.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | / fn panic(_info: &PanicInfo) -> ! {
[INFO] [stdout] 8 | |     loop {}
[INFO] [stdout] 9 | | }
[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/f8463896a9b36a04899c013bd8825a7fd29dd7a4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-957b1fe07cf96b13.rmeta
[INFO] [stdout]   = note: second definition in the local crate (`horizon_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 `horizon_os` (bin "horizon_os" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "51e904dfe8605ce7aaf31b04872cca4a93780799ca04b2267e694dbf1aab4f0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51e904dfe8605ce7aaf31b04872cca4a93780799ca04b2267e694dbf1aab4f0e", kill_on_drop: false }`
[INFO] [stdout] 51e904dfe8605ce7aaf31b04872cca4a93780799ca04b2267e694dbf1aab4f0e
