[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 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpanzerox123%2FFFSNIX_RUST_OS" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/panzerox123/FFSNIX_RUST_OS on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-2/source/Cargo.toml
[INFO] crate git repo https://github.com/panzerox123/FFSNIX_RUST_OS already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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]  Downloading crates ...
[INFO] [stderr]   Downloaded bootloader v0.9.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4457f1cbfdd4b9c8718a4fc7e8a128d2d80614add1e1e5f59a268c478b740e86
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4457f1cbfdd4b9c8718a4fc7e8a128d2d80614add1e1e5f59a268c478b740e86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4457f1cbfdd4b9c8718a4fc7e8a128d2d80614add1e1e5f59a268c478b740e86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4457f1cbfdd4b9c8718a4fc7e8a128d2d80614add1e1e5f59a268c478b740e86", kill_on_drop: false }`
[INFO] [stdout] 4457f1cbfdd4b9c8718a4fc7e8a128d2d80614add1e1e5f59a268c478b740e86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe9bb49a3a5149cb646f71daec5d87fbbf3ef59187e16e4bb65a6fa250b9c4ba
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fe9bb49a3a5149cb646f71daec5d87fbbf3ef59187e16e4bb65a6fa250b9c4ba", 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)]` 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)]` 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)]` 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" "/opt/rustwide/target/debug/deps/ffnix_rust-77c7311436dfc6c9.ffnix_rust.0044ed99-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/ffnix_rust-77c7311436dfc6c9.ffnix_rust.0044ed99-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/ffnix_rust-77c7311436dfc6c9.ffnix_rust.0044ed99-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/ffnix_rust-77c7311436dfc6c9.ffnix_rust.0044ed99-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/ffnix_rust-77c7311436dfc6c9.ffnix_rust.0044ed99-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/ffnix_rust-77c7311436dfc6c9.ffnix_rust.0044ed99-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/ffnix_rust-77c7311436dfc6c9.ffnix_rust.0044ed99-cgu.6.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-fb6b78ac543a58ee.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-1d1f2d1bec6f51b8.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-acf5ff6e9595d982.rlib" "-Wl,-Bdynamic" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/ffnix_rust-77c7311436dfc6c9" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/ffnix_rust-77c7311436dfc6c9.ffnix_rust.0044ed99-cgu.4.rcgu.o: in function `_start':
[INFO] [stdout]           /opt/rustwide/workdir/src/main.rs:10: multiple definition of `_start'; /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/Scrt1.o:(.text+0x0): first defined here
[INFO] [stdout]           /usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/Scrt1.o: in function `_start':
[INFO] [stdout]           (.text+0x16): undefined reference to `__libc_csu_fini'
[INFO] [stdout]           /usr/bin/ld: (.text+0x1d): undefined reference to `__libc_csu_init'
[INFO] [stdout]           /usr/bin/ld: (.text+0x24): undefined reference to `main'
[INFO] [stdout]           /usr/bin/ld: (.text+0x2a): undefined reference to `__libc_start_main'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout]   = help: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
[INFO] [stdout]   = note: use the `-l` flag to specify native libraries to link
[INFO] [stdout]   = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#cargorustc-link-libkindname)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ffnix_rust` due to 2 previous errors; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "fe9bb49a3a5149cb646f71daec5d87fbbf3ef59187e16e4bb65a6fa250b9c4ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe9bb49a3a5149cb646f71daec5d87fbbf3ef59187e16e4bb65a6fa250b9c4ba", kill_on_drop: false }`
[INFO] [stdout] fe9bb49a3a5149cb646f71daec5d87fbbf3ef59187e16e4bb65a6fa250b9c4ba