[INFO] cloning repository https://github.com/Kileer20100/Tigr_OS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kileer20100/Tigr_OS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKileer20100%2FTigr_OS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKileer20100%2FTigr_OS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62e92d1542fcae07f5eae2b6bc0383c715a8a5c5
[INFO] testing Kileer20100/Tigr_OS against try#0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6 for pr-137122-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKileer20100%2FTigr_OS" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/Kileer20100/Tigr_OS
[INFO] finished tweaking git repo https://github.com/Kileer20100/Tigr_OS
[INFO] tweaked toml for git repo https://github.com/Kileer20100/Tigr_OS written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Kileer20100/Tigr_OS on toolchain 0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Kileer20100/Tigr_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" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing Kileer20100/Tigr_OS against try#0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6 for pr-137122-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKileer20100%2FTigr_OS" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/Kileer20100/Tigr_OS
[INFO] finished tweaking git repo https://github.com/Kileer20100/Tigr_OS
[INFO] tweaked toml for git repo https://github.com/Kileer20100/Tigr_OS written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Kileer20100/Tigr_OS on toolchain 0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Kileer20100/Tigr_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" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "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 rustc-std-workspace-core v1.0.1
[INFO] [stderr]   Downloaded bootloader v0.9.31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d7249208f30aeae06e3bdce713f31d7778d4d85e163a1e685c09eb3cc50b843
[INFO] running `Command { std: "docker" "start" "-a" "4d7249208f30aeae06e3bdce713f31d7778d4d85e163a1e685c09eb3cc50b843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d7249208f30aeae06e3bdce713f31d7778d4d85e163a1e685c09eb3cc50b843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d7249208f30aeae06e3bdce713f31d7778d4d85e163a1e685c09eb3cc50b843", kill_on_drop: false }`
[INFO] [stdout] 4d7249208f30aeae06e3bdce713f31d7778d4d85e163a1e685c09eb3cc50b843
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d41a0c58fedd1ff5bc153c2b40ed07cbd68af77195e76b699ba73f62e0881fbf
[INFO] running `Command { std: "docker" "start" "-a" "d41a0c58fedd1ff5bc153c2b40ed07cbd68af77195e76b699ba73f62e0881fbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling bootloader v0.9.31
[INFO] [stderr]    Compiling Tigr_os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `vga`
[INFO] [stdout]  --> src/kernel/drivers/VGA/b8000/scroll.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let vga: *mut u8 = 0xd8000 as *mut u8;
[INFO] [stdout]   |         ^^^ help: if this is intentional, prefix it with an underscore: `_vga`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hello`
[INFO] [stdout]  --> src/kernel/drivers/VGA/b8000/scroll.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let hello: &[u8] = text.as_bytes();
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_hello`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/kernel/drivers/VGA/b8000/scroll.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     for y in 0..25{
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/kernel/drivers/VGA/b8000/scroll.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         for x in 0..80{
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `text_rendering_0xd8000_text` is never used
[INFO] [stdout]  --> src/kernel/drivers/VGA/b8000/vga_rendering.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn text_rendering_0xd8000_text(text: &'static str) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BLUE` is never used
[INFO] [stdout]  --> src/kernel/drivers/VGA/b8000/color.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub const BLUE: u8         = 0x01;
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GREEN` is never used
[INFO] [stdout]  --> src/kernel/drivers/VGA/b8000/color.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub const GREEN: u8        = 0x02;
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CYAN` is never used
[INFO] [stdout]  --> src/kernel/drivers/VGA/b8000/color.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub const CYAN: u8         = 0x03;
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RED` is never used
[INFO] [stdout]  --> src/kernel/drivers/VGA/b8000/color.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub const RED: u8          = 0x04;
[INFO] [stdout]   |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAGENTA` is never used
[INFO] [stdout]  --> src/kernel/drivers/VGA/b8000/color.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub const MAGENTA: u8      = 0x05;
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BROWN` is never used
[INFO] [stdout]   --> src/kernel/drivers/VGA/b8000/color.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub const BROWN: u8        = 0x06;
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LIGHT_GRAY` is never used
[INFO] [stdout]   --> src/kernel/drivers/VGA/b8000/color.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub const LIGHT_GRAY: u8   = 0x07;
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DARK_GRAY` is never used
[INFO] [stdout]   --> src/kernel/drivers/VGA/b8000/color.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub const DARK_GRAY: u8    = 0x08;
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LIGHT_BLUE` is never used
[INFO] [stdout]   --> src/kernel/drivers/VGA/b8000/color.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub const LIGHT_BLUE: u8   = 0x09;
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LIGHT_GREEN` is never used
[INFO] [stdout]   --> src/kernel/drivers/VGA/b8000/color.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub const LIGHT_GREEN: u8  = 0x0A;
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LIGHT_CYAN` is never used
[INFO] [stdout]   --> src/kernel/drivers/VGA/b8000/color.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub const LIGHT_CYAN: u8   = 0x0B;
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LIGHT_RED` is never used
[INFO] [stdout]   --> src/kernel/drivers/VGA/b8000/color.rs:16:15
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub const LIGHT_RED: u8    = 0x0C;
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PINK` is never used
[INFO] [stdout]   --> src/kernel/drivers/VGA/b8000/color.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub const PINK: u8         = 0x0D;
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `YELLOW` is never used
[INFO] [stdout]   --> src/kernel/drivers/VGA/b8000/color.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub const YELLOW: u8       = 0x0E;
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ERROR` is never used
[INFO] [stdout]   --> src/kernel/drivers/VGA/b8000/color.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub const ERROR: u8   = combine_vga(LIGHT_RED, RED);
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `WARNING` is never used
[INFO] [stdout]   --> src/kernel/drivers/VGA/b8000/color.rs:26:15
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub const WARNING: u8 = combine_vga(YELLOW, WHITE);
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INFO` is never used
[INFO] [stdout]   --> src/kernel/drivers/VGA/b8000/color.rs:27:15
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub const INFO: u8    = combine_vga(BLACK, WHITE);
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustckuNHQ8/symbols.o" "<1 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libcore-*,libcompiler_builtins-*}.rlib" "-L" "/tmp/rustckuNHQ8/raw-dylibs" "-Wl,-Bdynamic" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,-znostart-stop-gc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/Tigr_os-3597543a1e2ead7e" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: duplicate symbol: _start
[INFO] [stdout]           >>> defined at /usr/lib/gcc/x86_64-linux-gnu/13/../../../x86_64-linux-gnu/Scrt1.o:(_start)
[INFO] [stdout]           >>> defined at main.rs:10 (src/main.rs:10)
[INFO] [stdout]           >>>            /opt/rustwide/target/debug/deps/Tigr_os-3597543a1e2ead7e.Tigr_os.a33cd8598953869e-cgu.0.rcgu.o:(.text._start+0x0)
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `Tigr_os` (bin "Tigr_os") due to 1 previous error; 22 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d41a0c58fedd1ff5bc153c2b40ed07cbd68af77195e76b699ba73f62e0881fbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d41a0c58fedd1ff5bc153c2b40ed07cbd68af77195e76b699ba73f62e0881fbf", kill_on_drop: false }`
[INFO] [stdout] d41a0c58fedd1ff5bc153c2b40ed07cbd68af77195e76b699ba73f62e0881fbf