[INFO] cloning repository https://github.com/layksinozjs/Volyra-OS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/layksinozjs/Volyra-OS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flayksinozjs%2FVolyra-OS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flayksinozjs%2FVolyra-OS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5adfac1ad9c89bbe3a8cdc802120ec2f413d06bc
[INFO] testing layksinozjs/Volyra-OS against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flayksinozjs%2FVolyra-OS" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/layksinozjs/Volyra-OS
[INFO] finished tweaking git repo https://github.com/layksinozjs/Volyra-OS
[INFO] tweaked toml for git repo https://github.com/layksinozjs/Volyra-OS written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/layksinozjs/Volyra-OS on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/layksinozjs/Volyra-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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uart_16550 v0.2.19
[INFO] [stderr]   Downloaded volatile v0.2.7
[INFO] [stderr]   Downloaded volatile v0.4.6
[INFO] [stderr]   Downloaded bit_field v0.10.2
[INFO] [stderr]   Downloaded bootloader v0.9.31
[INFO] [stderr]   Downloaded x86_64 v0.14.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ec717666a94f2141a7bc2e5199595bb5953730a1f9a8c32053d1f4ffe77ac0c
[INFO] running `Command { std: "docker" "start" "-a" "2ec717666a94f2141a7bc2e5199595bb5953730a1f9a8c32053d1f4ffe77ac0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ec717666a94f2141a7bc2e5199595bb5953730a1f9a8c32053d1f4ffe77ac0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ec717666a94f2141a7bc2e5199595bb5953730a1f9a8c32053d1f4ffe77ac0c", kill_on_drop: false }`
[INFO] [stdout] 2ec717666a94f2141a7bc2e5199595bb5953730a1f9a8c32053d1f4ffe77ac0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af0e81bf45a066b705e854e1b97d118b895a9922cc027eacc3580c6ff69cb198
[INFO] running `Command { std: "docker" "start" "-a" "af0e81bf45a066b705e854e1b97d118b895a9922cc027eacc3580c6ff69cb198", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling volatile v0.4.6
[INFO] [stderr]    Compiling bootloader v0.9.31
[INFO] [stderr]    Compiling bit_field v0.10.2
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling volatile v0.2.7
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling x86_64 v0.14.13
[INFO] [stderr]    Compiling uart_16550 v0.2.19
[INFO] [stderr]    Compiling volyraos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/buffer.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Writer {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn new() -> Writer {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> src/buffer.rs:37:17
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 WRITER.write_fmt(format_args!($($arg)*)).unwrap();
[INFO] [stdout]    |                 ^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | println!("Welcome to macro of VolyraOS!");
[INFO] [stdout]    | ----------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `$crate::print` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[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/rustcujIbK5/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" "/opt/rustwide/target/debug/deps/rustcujIbK5/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/volyraos-7751ceb0a694e410" "-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/volyraos-7751ceb0a694e410.volyraos.3daf1790f8b7f591-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 `volyraos` (bin "volyraos") due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "af0e81bf45a066b705e854e1b97d118b895a9922cc027eacc3580c6ff69cb198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af0e81bf45a066b705e854e1b97d118b895a9922cc027eacc3580c6ff69cb198", kill_on_drop: false }`
[INFO] [stdout] af0e81bf45a066b705e854e1b97d118b895a9922cc027eacc3580c6ff69cb198
