Set mmapped files as readonly to prevent other processes from modifying it by accident by oli-obk · Pull Request #137025 · rust-lang/rust (original) (raw)

#19 exporting to docker image format
#19 sending tarball 20.1s done
#19 DONE 23.9s
##[endgroup]
Setting extra environment values for docker:  --env ENABLE_GCC_CODEGEN=1 --env GCC_EXEC_PREFIX=/usr/lib/gcc/
[CI_JOB_NAME=x86_64-gnu-llvm-18]
[CI_JOB_NAME=x86_64-gnu-llvm-18]
debug: `DISABLE_CI_RUSTC_IF_INCOMPATIBLE` configured.
---
sccache: Listening on address 127.0.0.1:4226
##[group]Configure the build
configure: processing command line
configure: 
configure: build.configure-args := ['--build=x86_64-unknown-linux-gnu', '--llvm-root=/usr/lib/llvm-18', '--enable-llvm-link-shared', '--set', 'rust.randomize-layout=true', '--set', 'rust.thin-lto-import-instr-limit=10', '--enable-verbose-configure', '--enable-sccache', '--disable-manage-submodules', '--enable-locked-deps', '--enable-cargo-native-static', '--set', 'rust.codegen-units-std=1', '--set', 'dist.compression-profile=balanced', '--dist-compression-formats=xz', '--set', 'rust.lld=false', '--disable-dist-src', '--release-channel=nightly', '--enable-debug-assertions', '--enable-overflow-checks', '--enable-llvm-assertions', '--set', 'rust.verify-llvm-ir', '--set', 'rust.codegen-backends=llvm,cranelift,gcc', '--set', 'llvm.static-libstdcpp', '--enable-new-symbol-mangling']
configure: build.build          := x86_64-unknown-linux-gnu
configure: target.x86_64-unknown-linux-gnu.llvm-config := /usr/lib/llvm-18/bin/llvm-config
configure: llvm.link-shared     := True
configure: rust.randomize-layout := True
configure: rust.thin-lto-import-instr-limit := 10
---
   Compiling rustc_builtin_macros v0.0.0 (/checkout/compiler/rustc_builtin_macros)
error: unnecessary `unsafe` block
    --> compiler/rustc_metadata/src/rmeta/encoder.rs:2251:20
     |
2251 |         let mmap = unsafe { Some(Mmap::map(path)?) };
     |                    ^^^^^^ unnecessary `unsafe` block
     |
     = note: `-D unused-unsafe` implied by `-D warnings`
     = help: to override `-D warnings` add `#[allow(unused_unsafe)]`

error: unnecessary `unsafe` block
   --> compiler/rustc_metadata/src/locator.rs:825:24
    |
825 |             let mmap = unsafe { Mmap::map(filename) };
    |                        ^^^^^^ unnecessary `unsafe` block

error: could not compile `rustc_metadata` (lib) due to 2 previous errors
warning: build failed, waiting for other jobs to finish...
Build completed unsuccessfully in 0:02:15