[INFO] cloning repository https://github.com/fengF3ng/tiny_os [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fengF3ng/tiny_os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FfengF3ng%2Ftiny_os", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FfengF3ng%2Ftiny_os'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2a2489df0768b703324a42b3c23bb90d8089b3ae [INFO] testing fengF3ng/tiny_os/2a2489df0768b703324a42b3c23bb90d8089b3ae against master#595316b4006932405a63862d8fe65f71a6356293 for pr-128254 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FfengF3ng%2Ftiny_os" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fengF3ng/tiny_os on toolchain 595316b4006932405a63862d8fe65f71a6356293 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml [INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain [INFO] started tweaking git repo https://github.com/fengF3ng/tiny_os [INFO] removed 0 missing tests [INFO] finished tweaking git repo https://github.com/fengF3ng/tiny_os [INFO] tweaked toml for git repo https://github.com/fengF3ng/tiny_os written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/fengF3ng/tiny_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" "+595316b4006932405a63862d8fe65f71a6356293" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pic8259 v0.10.2 [INFO] [stderr] Downloaded volatile v0.4.5 [INFO] [stderr] Downloaded uart_16550 v0.2.18 [INFO] [stderr] Downloaded x86_64 v0.14.10 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ed318069326375f0925f82449b6288dc4d02656555f8bf86f40c12e33fed0748 [INFO] running `Command { std: "docker" "start" "-a" "ed318069326375f0925f82449b6288dc4d02656555f8bf86f40c12e33fed0748", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ed318069326375f0925f82449b6288dc4d02656555f8bf86f40c12e33fed0748", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed318069326375f0925f82449b6288dc4d02656555f8bf86f40c12e33fed0748", kill_on_drop: false }` [INFO] [stdout] ed318069326375f0925f82449b6288dc4d02656555f8bf86f40c12e33fed0748 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 638c56a51eb0675fc63d2844ff13b967abdf460f2dfba31286ac0c2e844246ea [INFO] running `Command { std: "docker" "start" "-a" "638c56a51eb0675fc63d2844ff13b967abdf460f2dfba31286ac0c2e844246ea", kill_on_drop: false }` [INFO] [stderr] Compiling rustversion v1.0.9 [INFO] [stderr] Compiling volatile v0.4.5 [INFO] [stderr] Compiling bit_field v0.10.1 [INFO] [stderr] Compiling bootloader v0.9.23 [INFO] [stderr] Compiling spin v0.5.2 [INFO] [stderr] Compiling pc-keyboard v0.5.1 [INFO] [stderr] Compiling volatile v0.2.7 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling x86_64 v0.14.10 [INFO] [stderr] Compiling uart_16550 v0.2.18 [INFO] [stderr] Compiling pic8259 v0.10.2 [INFO] [stderr] Compiling tiny_os v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/gdt.rs:31:59 [INFO] [stdout] | [INFO] [stdout] 31 | let stack_start = VirtAddr::from_ptr(unsafe { &STACK }); [INFO] [stdout] | ^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this shared reference has lifetime `'static`, but if the static ever gets mutated, or a mutable reference is created, then any further use of this shared reference is Undefined Behavior [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] help: use `addr_of!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 31 | let stack_start = VirtAddr::from_ptr(unsafe { addr_of!(STACK) }); [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stack_frame` [INFO] [stdout] --> src/interrupts.rs:68:5 [INFO] [stdout] | [INFO] [stdout] 68 | stack_frame: InterruptStackFrame [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack_frame` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: unwinding panics are not supported without std [INFO] [stdout] | [INFO] [stdout] = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding [INFO] [stdout] = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `tiny_os` (bin "tiny_os") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "638c56a51eb0675fc63d2844ff13b967abdf460f2dfba31286ac0c2e844246ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "638c56a51eb0675fc63d2844ff13b967abdf460f2dfba31286ac0c2e844246ea", kill_on_drop: false }` [INFO] [stdout] 638c56a51eb0675fc63d2844ff13b967abdf460f2dfba31286ac0c2e844246ea