[INFO] cloning repository https://github.com/0xN1nja/rusty-os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xN1nja/rusty-os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xN1nja%2Frusty-os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xN1nja%2Frusty-os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4148e9c66ef40bea70259d236760fbda1a47ed9c
[INFO] checking 0xN1nja/rusty-os against master#8a65ee08296b36342bf7c3cdc15312ccbc357227 for pr-142704
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xN1nja%2Frusty-os" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/0xN1nja/rusty-os on toolchain 8a65ee08296b36342bf7c3cdc15312ccbc357227
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/0xN1nja/rusty-os
[INFO] finished tweaking git repo https://github.com/0xN1nja/rusty-os
[INFO] tweaked toml for git repo https://github.com/0xN1nja/rusty-os written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/0xN1nja/rusty-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" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bootloader v0.9.23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b8a5e262160f5373369d3907e6e9c36ce5a4a99c407695a3b2832581f7c3bde
[INFO] running `Command { std: "docker" "start" "-a" "7b8a5e262160f5373369d3907e6e9c36ce5a4a99c407695a3b2832581f7c3bde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b8a5e262160f5373369d3907e6e9c36ce5a4a99c407695a3b2832581f7c3bde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b8a5e262160f5373369d3907e6e9c36ce5a4a99c407695a3b2832581f7c3bde", kill_on_drop: false }`
[INFO] [stdout] 7b8a5e262160f5373369d3907e6e9c36ce5a4a99c407695a3b2832581f7c3bde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bab59e6cc1d0bc347d369f68f8ef0357ceee29c99eebaa5ad57123d237ba9652
[INFO] running `Command { std: "docker" "start" "-a" "bab59e6cc1d0bc347d369f68f8ef0357ceee29c99eebaa5ad57123d237ba9652", kill_on_drop: false }`
[INFO] [stderr]    Compiling bootloader v0.9.23
[INFO] [stderr]     Checking rusty-os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/main.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / fn on_panic(_info: &PanicInfo) -> ! {
[INFO] [stdout] 11 | |     loop {}
[INFO] [stdout] 12 | | }
[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/8a65ee08296b36342bf7c3cdc15312ccbc357227/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-6ea888b788c42862.rlib
[INFO] [stdout]    = note: second definition in the local crate (`rusty_os`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Colors` is never used
[INFO] [stdout]  --> src/vga_buffer.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Colors {
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Colors` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusty-os` (bin "rusty-os" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bab59e6cc1d0bc347d369f68f8ef0357ceee29c99eebaa5ad57123d237ba9652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bab59e6cc1d0bc347d369f68f8ef0357ceee29c99eebaa5ad57123d237ba9652", kill_on_drop: false }`
[INFO] [stdout] bab59e6cc1d0bc347d369f68f8ef0357ceee29c99eebaa5ad57123d237ba9652
