$ ./x.py run miri --stage 1 -- src/tools/miri/tests/pass/hello.rs Building bootstrap Finished `dev` profile [unoptimized] target(s) in 0.02s Building stage0 library artifacts (x86_64-unknown-linux-gnu) Finished `release` profile [optimized + debuginfo] target(s) in 0.07s Building compiler artifacts (stage0 -> stage1, x86_64-unknown-linux-gnu) Finished `release` profile [optimized + debuginfo] target(s) in 0.11s Creating a sysroot for stage1 compiler (use `rustup toolchain link 'name' build/host/stage1`) Building stage0 tool lld-wrapper (x86_64-unknown-linux-gnu) Finished `release` profile [optimized + debuginfo] target(s) in 0.06s Building tool miri (stage0 -> stage1, x86_64-unknown-linux-gnu) Finished `release` profile [optimized + debuginfo] target(s) in 0.07s Building tool cargo-miri (stage0 -> stage1, x86_64-unknown-linux-gnu) Finished `release` profile [optimized + debuginfo] target(s) in 0.07s Building stage1 miri sysroot (x86_64-unknown-linux-gnu) A sysroot for Miri is already available in `/home/r/src/rust/rustc.3/build/x86_64-unknown-linux-gnu/miri-sysroot`. Finished `release` profile [optimized + debuginfo] target(s) in 0.07s Running `build/x86_64-unknown-linux-gnu/stage0-tools/x86_64-unknown-linux-gnu/release/miri --target x86_64-unknown-linux-gnu src/tools/miri/tests/pass/hello.rs` error[E0786]: found invalid metadata files for crate `std` | = note: corrupt metadata encountered in /home/r/src/rust/rustc.3/build/x86_64-unknown-linux-gnu/stage0-sysroot/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-e9d12b2c234bc463.rlib = note: corrupt metadata encountered in /home/r/src/rust/rustc.3/build/x86_64-unknown-linux-gnu/stage0-sysroot/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-e9d12b2c234bc463.so = note: corrupt metadata encountered in /home/r/src/rust/rustc.3/build/x86_64-unknown-linux-gnu/stage0-sysroot/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-ec2a734cf29b8414.rlib error: cannot find macro `eprintln` in this scope --> src/tools/miri/tests/pass/hello.rs:3:5 | 3 | eprintln!("Hello, error!"); | ^^^^^^^^ error: cannot find macro `println` in this scope --> src/tools/miri/tests/pass/hello.rs:2:5 | 2 | println!("Hello, world!"); | ^^^^^^^ error: requires `sized` lang_item error: aborting due to 4 previous errors For more information about this error, try `rustc --explain E0786`. Build completed unsuccessfully in 0:00:01