[INFO] updating cached repository funemy/rust-os [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/funemy/rust-os [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/funemy/rust-os" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/funemy/rust-os"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/funemy/rust-os'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/funemy/rust-os" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/funemy/rust-os"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/funemy/rust-os'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 0fdcd30f9bef0f934824778d5ecc41ebf697a7af [INFO] sha for GitHub repo funemy/rust-os: 0fdcd30f9bef0f934824778d5ecc41ebf697a7af [INFO] validating manifest of funemy/rust-os on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of funemy/rust-os on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing funemy/rust-os [INFO] finished frobbing funemy/rust-os [INFO] frobbed toml for funemy/rust-os written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/funemy/rust-os/Cargo.toml [INFO] started frobbing funemy/rust-os [INFO] finished frobbing funemy/rust-os [INFO] frobbed toml for funemy/rust-os written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/funemy/rust-os/Cargo.toml [INFO] crate funemy/rust-os already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking funemy/rust-os against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-0/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/funemy/rust-os:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 8ec035153ebaae31cd741856ec3396317e56d2a3ccae6eb88bd73d9beedee541 [INFO] running `"docker" "start" "-a" "8ec035153ebaae31cd741856ec3396317e56d2a3ccae6eb88bd73d9beedee541"` [INFO] [stderr] Compiling getopts v0.2.18 [INFO] [stderr] Compiling bootloader v0.6.0 [INFO] [stderr] Checking x86_64 v0.3.6 [INFO] [stderr] Checking raw-cpuid v6.1.0 [INFO] [stderr] Compiling pulldown-cmark v0.0.3 [INFO] [stderr] Checking x86_64 v0.6.0 [INFO] [stderr] Compiling skeptic v0.5.0 [INFO] [stderr] Compiling fixedvec v0.2.3 [INFO] [stderr] Checking yzos v0.1.0 (/opt/crater/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: consider prefixing 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: function cannot return without recursing [INFO] [stderr] --> src/context.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | fn default() -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ cannot return without recursing [INFO] [stderr] ... [INFO] [stderr] 28 | ..Default::default() [INFO] [stderr] | ------------------ recursive call site [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unconditional_recursion)]` on by default [INFO] [stderr] = help: a `loop` may express intention better if this is on purpose [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: 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: consider prefixing 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: function cannot return without recursing [INFO] [stderr] --> src/context.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | fn default() -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ cannot return without recursing [INFO] [stderr] ... [INFO] [stderr] 28 | ..Default::default() [INFO] [stderr] | ------------------ recursive call site [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unconditional_recursion)]` on by default [INFO] [stderr] = help: a `loop` may express intention better if this is on purpose [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: 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 [INFO] [stderr] [INFO] [stderr] error: Could not compile `yzos`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0152]: duplicate lang item found: `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: first defined in crate `std`. [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" "8ec035153ebaae31cd741856ec3396317e56d2a3ccae6eb88bd73d9beedee541"` [INFO] running `"docker" "rm" "-f" "8ec035153ebaae31cd741856ec3396317e56d2a3ccae6eb88bd73d9beedee541"` [INFO] [stdout] 8ec035153ebaae31cd741856ec3396317e56d2a3ccae6eb88bd73d9beedee541