[INFO] cloning repository funemy/rust-os [INFO] running `"git" "clone" "--bare" "git://github.com/funemy/rust-os.git" "work/cache/sources/gh/funemy/rust-os"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/funemy/rust-os'... [INFO] running `"git" "clone" "work/cache/sources/gh/funemy/rust-os" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/funemy/rust-os"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/funemy/rust-os'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/funemy/rust-os" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/funemy/rust-os"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of funemy/rust-os on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-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-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded x86_64 v0.6.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing funemy/rust-os against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"` [INFO] [stdout] 1fda8711cf6b7b41a668cd7b23f00dc4beea293b3726729ba610d0097d8851f3 [INFO] running `"docker" "start" "-a" "1fda8711cf6b7b41a668cd7b23f00dc4beea293b3726729ba610d0097d8851f3"` [INFO] [stderr] Compiling cc v1.0.35 [INFO] [stderr] Compiling llvm-tools v0.1.1 [INFO] [stderr] Compiling cpuio v0.2.0 [INFO] [stderr] Compiling spin v0.5.0 [INFO] [stderr] Compiling cast v0.2.2 [INFO] [stderr] Compiling pc-keyboard v0.3.1 [INFO] [stderr] Compiling volatile v0.2.6 [INFO] [stderr] Compiling spin v0.4.10 [INFO] [stderr] Compiling libm v0.1.2 [INFO] [stderr] Compiling pic8259_simple v0.1.1 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling bootloader v0.6.0 [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Compiling raw-cpuid v6.1.0 [INFO] [stderr] Compiling skeptic v0.5.0 [INFO] [stderr] Compiling fixedvec v0.2.3 [INFO] [stderr] Compiling x86_64 v0.6.0 [INFO] [stderr] Compiling 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 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] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "1fda8711cf6b7b41a668cd7b23f00dc4beea293b3726729ba610d0097d8851f3"` [INFO] running `"docker" "rm" "-f" "1fda8711cf6b7b41a668cd7b23f00dc4beea293b3726729ba610d0097d8851f3"` [INFO] [stdout] 1fda8711cf6b7b41a668cd7b23f00dc4beea293b3726729ba610d0097d8851f3