[INFO] cloning repository https://github.com/panzerox123/FFSNIX_RUST_OS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/panzerox123/FFSNIX_RUST_OS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpanzerox123%2FFFSNIX_RUST_OS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpanzerox123%2FFFSNIX_RUST_OS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1178e605c492d135a0f2155be4bf6f76862237d3
[INFO] testing panzerox123/FFSNIX_RUST_OS against beta-2025-09-21 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpanzerox123%2FFFSNIX_RUST_OS" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/panzerox123/FFSNIX_RUST_OS
[INFO] finished tweaking git repo https://github.com/panzerox123/FFSNIX_RUST_OS
[INFO] tweaked toml for git repo https://github.com/panzerox123/FFSNIX_RUST_OS written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/panzerox123/FFSNIX_RUST_OS on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/panzerox123/FFSNIX_RUST_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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr] warning: unused manifest key: unstable
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] deefc2bad47a1b862686b14518452a181e3343e5251f03a50cdf03bf04e48ba5
[INFO] running `Command { std: "docker" "start" "-a" "deefc2bad47a1b862686b14518452a181e3343e5251f03a50cdf03bf04e48ba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "deefc2bad47a1b862686b14518452a181e3343e5251f03a50cdf03bf04e48ba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deefc2bad47a1b862686b14518452a181e3343e5251f03a50cdf03bf04e48ba5", kill_on_drop: false }`
[INFO] [stdout] deefc2bad47a1b862686b14518452a181e3343e5251f03a50cdf03bf04e48ba5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1837297b48e04d20e92f19212d2cc640d3d5274fe4583aa959f74e125806b49
[INFO] running `Command { std: "docker" "start" "-a" "e1837297b48e04d20e92f19212d2cc640d3d5274fe4583aa959f74e125806b49", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr] warning: unused manifest key: unstable
[INFO] [stderr]    Compiling bootloader v0.9.11
[INFO] [stderr]    Compiling ffnix_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `textBlock` should have an upper camel case name
[INFO] [stdout]   --> src/vga.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct textBlock {
[INFO] [stdout]    |            ^^^^^^^^^ help: convert the identifier to upper camel case: `TextBlock`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> src/vga.rs:39:33
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn writeString(text: &[u8], offset: u16){
[INFO] [stdout]    |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `fgColor` should have a snake case name
[INFO] [stdout]   --> src/vga.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fgColor: Color,
[INFO] [stdout]    |         ^^^^^^^ help: convert the identifier to snake case: `fg_color`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `bgColor` should have a snake case name
[INFO] [stdout]   --> src/vga.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub bgColor: Color,
[INFO] [stdout]    |         ^^^^^^^ help: convert the identifier to snake case: `bg_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `writeChar` should have a snake case name
[INFO] [stdout]   --> src/vga.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn writeChar(text_block: textBlock, offset: u16){
[INFO] [stdout]    |        ^^^^^^^^^ help: convert the identifier to snake case: `write_char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `VGA_BUFFER` should have a snake case name
[INFO] [stdout]   --> src/vga.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let VGA_BUFFER = 0xb8000 as *mut u8;
[INFO] [stdout]    |             ^^^^^^^^^^ help: convert the identifier to snake case: `vga_buffer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `writeString` should have a snake case name
[INFO] [stdout]   --> src/vga.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn writeString(text: &[u8], offset: u16){
[INFO] [stdout]    |        ^^^^^^^^^^^ help: convert the identifier to snake case: `write_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustcNwlmUj/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/rustcNwlmUj/raw-dylibs" "-Wl,-Bdynamic" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/ffnix_rust-43f89f1297acae70" "-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/ffnix_rust-43f89f1297acae70.ffnix_rust.d977b232f4e66ec0-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 `ffnix_rust` (bin "ffnix_rust") due to 1 previous error; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e1837297b48e04d20e92f19212d2cc640d3d5274fe4583aa959f74e125806b49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1837297b48e04d20e92f19212d2cc640d3d5274fe4583aa959f74e125806b49", kill_on_drop: false }`
[INFO] [stdout] e1837297b48e04d20e92f19212d2cc640d3d5274fe4583aa959f74e125806b49