[INFO] cloning repository https://github.com/serpentigarden/patina-os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/serpentigarden/patina-os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fserpentigarden%2Fpatina-os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fserpentigarden%2Fpatina-os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5254ea544df8a0efde2c0ea60118b6bdfcd60793
[INFO] checking serpentigarden/patina-os against try#6713fa75964eb229409a9c6f6f5c418423e313ff for pr-133502-22
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fserpentigarden%2Fpatina-os" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/serpentigarden/patina-os
[INFO] finished tweaking git repo https://github.com/serpentigarden/patina-os
[INFO] tweaked toml for git repo https://github.com/serpentigarden/patina-os written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/serpentigarden/patina-os on toolchain 6713fa75964eb229409a9c6f6f5c418423e313ff
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/serpentigarden/patina-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" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bootloader v0.9.31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1da31c7ab2dff31a16b26a710f885645ad566a848817950f516af9d01e386e15
[INFO] running `Command { std: "docker" "start" "-a" "1da31c7ab2dff31a16b26a710f885645ad566a848817950f516af9d01e386e15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1da31c7ab2dff31a16b26a710f885645ad566a848817950f516af9d01e386e15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1da31c7ab2dff31a16b26a710f885645ad566a848817950f516af9d01e386e15", kill_on_drop: false }`
[INFO] [stdout] 1da31c7ab2dff31a16b26a710f885645ad566a848817950f516af9d01e386e15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6ede131ece69ab74cb820ff0bfbac4c97d496b0293ada1de0f790d92eaad6fe
[INFO] running `Command { std: "docker" "start" "-a" "f6ede131ece69ab74cb820ff0bfbac4c97d496b0293ada1de0f790d92eaad6fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling bootloader v0.9.31
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking volatile v0.2.7
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking patina-os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     panic!("Some panic message");
[INFO] [stdout]    |     ---------------------------- any code following this expression is unreachable
[INFO] [stdout] 19 |
[INFO] [stdout] 20 |     loop {}
[INFO] [stdout]    |     ^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `HELLO` is never used
[INFO] [stdout]   --> src/main.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | static HELLO: &[u8] = b"Hello World!";
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/vga_buffer.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout]  3 | pub enum Color {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout]  4 |     Black = 0,
[INFO] [stdout]  5 |     Blue = 1,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]  6 |     Green = 2,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]  7 |     Cyan = 3,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]  8 |     Red = 4,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]  9 |     Magenta = 5,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 10 |     Brown = 6,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 11 |     LightGray = 7,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 12 |     DarkGray = 8,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 13 |     LightBlue = 9,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 14 |     LightGreen = 10,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 15 |     LightCyan = 11,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 16 |     LightRed = 12,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 17 |     Pink = 13,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |     Yellow = 14,
[INFO] [stdout] 19 |     White = 15,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Color` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/main.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout]  8 | / fn panic(info: &PanicInfo) -> ! {
[INFO] [stdout]  9 | |     println!("{}", info);
[INFO] [stdout] 10 | |     loop {}
[INFO] [stdout] 11 | | }
[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/6713fa75964eb229409a9c6f6f5c418423e313ff/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-6f68ae1f01e962b3.rmeta
[INFO] [stdout]    = note: second definition in the local crate (`patina_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 `patina-os` (bin "patina-os" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "f6ede131ece69ab74cb820ff0bfbac4c97d496b0293ada1de0f790d92eaad6fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6ede131ece69ab74cb820ff0bfbac4c97d496b0293ada1de0f790d92eaad6fe", kill_on_drop: false }`
[INFO] [stdout] f6ede131ece69ab74cb820ff0bfbac4c97d496b0293ada1de0f790d92eaad6fe
