[INFO] updating cached repository https://github.com/funemy/rust-os [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 0fdcd30f9bef0f934824778d5ecc41ebf697a7af [INFO] checking funemy/rust-os against try#8a5e87609850cdd8679aada01eb0f3062f254ca8 for pr-71140 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffunemy%2Frust-os" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/funemy/rust-os on toolchain 8a5e87609850cdd8679aada01eb0f3062f254ca8 [INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/funemy/rust-os [INFO] finished tweaking git repo https://github.com/funemy/rust-os [INFO] tweaked toml for git repo https://github.com/funemy/rust-os written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/funemy/rust-os already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 239e4c21ffa26e76bdb22b2132f1cdb94f08dbd46b284e46b2722e7b919ce1e9 [INFO] running `"docker" "start" "-a" "239e4c21ffa26e76bdb22b2132f1cdb94f08dbd46b284e46b2722e7b919ce1e9"` [INFO] [stderr] Checking ux v0.1.3 [INFO] [stderr] Compiling llvm-tools v0.1.1 [INFO] [stderr] Checking zero v0.1.2 [INFO] [stderr] Checking font8x8 v0.2.4 [INFO] [stderr] Checking cast v0.2.2 [INFO] [stderr] Checking spin v0.4.10 [INFO] [stderr] Checking pc-keyboard v0.3.1 [INFO] [stderr] Checking volatile v0.2.6 [INFO] [stderr] Compiling getopts v0.2.18 [INFO] [stderr] Checking array-init v0.0.4 [INFO] [stderr] Checking array-init v0.0.3 [INFO] [stderr] Checking xmas-elf v0.6.2 [INFO] [stderr] Compiling raw-cpuid v6.1.0 [INFO] [stderr] Compiling bootloader v0.6.0 [INFO] [stderr] Compiling pulldown-cmark v0.0.3 [INFO] [stderr] Compiling skeptic v0.5.0 [INFO] [stderr] Compiling fixedvec v0.2.3 [INFO] [stderr] Checking x86_64 v0.3.6 [INFO] [stderr] Checking x86_64 v0.6.0 [INFO] [stderr] Checking yzos v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `ceil` [INFO] [stderr] --> src/frame_allocator.rs:6:12 [INFO] [stderr] | [INFO] [stderr] 6 | use libm::{ceil, floor, log2, log2f}; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::println` [INFO] [stderr] --> src/frame_allocator.rs:48:5 [INFO] [stderr] | [INFO] [stderr] 48 | use crate::println; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `ceil` [INFO] [stderr] --> src/frame_allocator.rs:6:12 [INFO] [stderr] | [INFO] [stderr] 6 | use libm::{ceil, floor, log2, log2f}; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::println` [INFO] [stderr] --> src/frame_allocator.rs:48:5 [INFO] [stderr] | [INFO] [stderr] 48 | use crate::println; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `Box` is imported redundantly [INFO] [stderr] --> src/vga_buffer.rs:177:13 [INFO] [stderr] | [INFO] [stderr] 177 | use std::boxed::Box; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `frame` [INFO] [stderr] --> src/memory.rs:96:36 [INFO] [stderr] | [INFO] [stderr] 96 | fn deallocate_frame(&mut self, frame: PhysFrame) { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_frame` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/frame_allocator.rs:158:21 [INFO] [stderr] | [INFO] [stderr] 158 | let mut frame_idx = unsafe { (*free_node).content }; [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `frame` [INFO] [stderr] --> src/memory.rs:96:36 [INFO] [stderr] | [INFO] [stderr] 96 | fn deallocate_frame(&mut self, frame: PhysFrame) { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_frame` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary `unsafe` block [INFO] [stderr] --> src/process.rs:56:46 [INFO] [stderr] | [INFO] [stderr] 56 | let page_table_ptr: *mut PageTable = unsafe { cr3_virt.as_mut_ptr() }; [INFO] [stderr] | ^^^^^^ unnecessary `unsafe` block [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/frame_allocator.rs:158:21 [INFO] [stderr] | [INFO] [stderr] 158 | let mut frame_idx = unsafe { (*free_node).content }; [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary `unsafe` block [INFO] [stderr] --> src/process.rs:56:46 [INFO] [stderr] | [INFO] [stderr] 56 | let page_table_ptr: *mut PageTable = unsafe { cr3_virt.as_mut_ptr() }; [INFO] [stderr] | ^^^^^^ unnecessary `unsafe` block [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `yzos::context::Context` [INFO] [stderr] --> src/main.rs:118:5 [INFO] [stderr] | [INFO] [stderr] 118 | use yzos::context::Context; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] error: language item required, but not found: `eh_personality` [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error; 1 warning emitted [INFO] [stderr] [INFO] [stderr] error: could not compile `yzos`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0152]: found duplicate lang item `oom` [INFO] [stderr] --> src/main.rs:63:1 [INFO] [stderr] | [INFO] [stderr] 63 | / fn alloc_error_handler(layout: Layout) -> ! { [INFO] [stderr] 64 | | println!("{:?}", layout); [INFO] [stderr] 65 | | panic!("Allocation Error"); [INFO] [stderr] 66 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: the lang item is first defined in crate `std` (which `yzos` depends on) [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0152`. [INFO] [stderr] error: could not compile `yzos`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "239e4c21ffa26e76bdb22b2132f1cdb94f08dbd46b284e46b2722e7b919ce1e9"` [INFO] running `"docker" "rm" "-f" "239e4c21ffa26e76bdb22b2132f1cdb94f08dbd46b284e46b2722e7b919ce1e9"` [INFO] [stdout] 239e4c21ffa26e76bdb22b2132f1cdb94f08dbd46b284e46b2722e7b919ce1e9