[INFO] cloning repository https://github.com/TomeHirata/rust_simple_os [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TomeHirata/rust_simple_os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTomeHirata%2Frust_simple_os", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTomeHirata%2Frust_simple_os'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7f213e48cbb9e4909dd80e60b0239fee2bfd19dd [INFO] checking TomeHirata/rust_simple_os against try#0fe3684930279e4d3be3aca66b30f82946ce9ac2 for pr-138340 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTomeHirata%2Frust_simple_os" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/TomeHirata/rust_simple_os on toolchain 0fe3684930279e4d3be3aca66b30f82946ce9ac2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0fe3684930279e4d3be3aca66b30f82946ce9ac2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config.toml [INFO] started tweaking git repo https://github.com/TomeHirata/rust_simple_os [INFO] removed 0 missing tests [INFO] finished tweaking git repo https://github.com/TomeHirata/rust_simple_os [INFO] tweaked toml for git repo https://github.com/TomeHirata/rust_simple_os written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/TomeHirata/rust_simple_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" "+0fe3684930279e4d3be3aca66b30f82946ce9ac2" "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 [ERROR] error running command: no output for 300 seconds [INFO] checking TomeHirata/rust_simple_os against try#0fe3684930279e4d3be3aca66b30f82946ce9ac2 for pr-138340 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTomeHirata%2Frust_simple_os" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/TomeHirata/rust_simple_os on toolchain 0fe3684930279e4d3be3aca66b30f82946ce9ac2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0fe3684930279e4d3be3aca66b30f82946ce9ac2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config.toml [INFO] started tweaking git repo https://github.com/TomeHirata/rust_simple_os [INFO] removed 0 missing tests [INFO] finished tweaking git repo https://github.com/TomeHirata/rust_simple_os [INFO] tweaked toml for git repo https://github.com/TomeHirata/rust_simple_os written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/TomeHirata/rust_simple_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" "+0fe3684930279e4d3be3aca66b30f82946ce9ac2" "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 uart_16550 v0.2.17 [INFO] [stderr] Downloaded volatile v0.4.4 [INFO] [stderr] Downloaded x86_64 v0.14.8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+0fe3684930279e4d3be3aca66b30f82946ce9ac2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e4f69dc0afe8c9117e2913299ff7a979753712dd6572bebe5a9ea1df27424b37 [INFO] running `Command { std: "docker" "start" "-a" "e4f69dc0afe8c9117e2913299ff7a979753712dd6572bebe5a9ea1df27424b37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e4f69dc0afe8c9117e2913299ff7a979753712dd6572bebe5a9ea1df27424b37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4f69dc0afe8c9117e2913299ff7a979753712dd6572bebe5a9ea1df27424b37", kill_on_drop: false }` [INFO] [stdout] e4f69dc0afe8c9117e2913299ff7a979753712dd6572bebe5a9ea1df27424b37 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+0fe3684930279e4d3be3aca66b30f82946ce9ac2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 984ffb02f7cd5d7b6dfae498c34ac7298609daa3df378435e93b25b0107c0ba7 [INFO] running `Command { std: "docker" "start" "-a" "984ffb02f7cd5d7b6dfae498c34ac7298609daa3df378435e93b25b0107c0ba7", kill_on_drop: false }` [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Compiling x86_64 v0.14.8 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Checking bit_field v0.10.1 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Checking volatile v0.4.4 [INFO] [stderr] Compiling bootloader v0.9.22 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Checking conquer-util v0.2.0 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking pc-keyboard v0.5.1 [INFO] [stderr] Checking volatile v0.2.7 [INFO] [stderr] Checking conquer-once v0.2.1 [INFO] [stderr] Checking spinning_top v0.2.4 [INFO] [stderr] Checking linked_list_allocator v0.9.1 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking pic8259 v0.10.2 [INFO] [stderr] Checking uart_16550 v0.2.17 [INFO] [stderr] Checking rust_os v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `linked_list_allocator::LockedHeap` [INFO] [stdout] --> src/allocator.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | use linked_list_allocator::LockedHeap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `linked_list_allocator::LockedHeap` [INFO] [stdout] --> src/allocator.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | use linked_list_allocator::LockedHeap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `x86_64::instructions::segmentation::set_cs`: use `CS::set_reg()` instead [INFO] [stdout] --> src/gdt.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | set_cs(GDT.1.code_selector); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `x86_64::instructions::segmentation::set_cs`: use `CS::set_reg()` instead [INFO] [stdout] --> src/gdt.rs:44:45 [INFO] [stdout] | [INFO] [stdout] 44 | use x86_64::instructions::segmentation::set_cs; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `const_mut_refs` has been stable since 1.83.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | #![feature(const_mut_refs)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [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] warning: use of deprecated function `x86_64::instructions::segmentation::set_cs`: use `CS::set_reg()` instead [INFO] [stdout] --> src/gdt.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | set_cs(GDT.1.code_selector); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `x86_64::instructions::segmentation::set_cs`: use `CS::set_reg()` instead [INFO] [stdout] --> src/gdt.rs:44:45 [INFO] [stdout] | [INFO] [stdout] 44 | use x86_64::instructions::segmentation::set_cs; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `const_mut_refs` has been stable since 1.83.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | #![feature(const_mut_refs)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust_os` (lib test) due to 1 previous error; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/gdt.rs:15:59 [INFO] [stdout] | [INFO] [stdout] 15 | let stack_start = VirtAddr::from_ptr(unsafe { &STACK }); [INFO] [stdout] | ^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] help: use `&raw const` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 15 | let stack_start = VirtAddr::from_ptr(unsafe { &raw const STACK }); [INFO] [stdout] | +++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "984ffb02f7cd5d7b6dfae498c34ac7298609daa3df378435e93b25b0107c0ba7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "984ffb02f7cd5d7b6dfae498c34ac7298609daa3df378435e93b25b0107c0ba7", kill_on_drop: false }` [INFO] [stdout] 984ffb02f7cd5d7b6dfae498c34ac7298609daa3df378435e93b25b0107c0ba7