[INFO] updating cached repository jnicklas/rustos [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/jnicklas/rustos [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/jnicklas/rustos" "work/ex/beta-1.38-1/sources/1.37.0/gh/jnicklas/rustos"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jnicklas/rustos'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/jnicklas/rustos" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jnicklas/rustos"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jnicklas/rustos'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] c92baec15bbf9c737b6e52b843905d62aec50222 [INFO] sha for GitHub repo jnicklas/rustos: c92baec15bbf9c737b6e52b843905d62aec50222 [INFO] validating manifest of jnicklas/rustos on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of jnicklas/rustos on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing jnicklas/rustos [INFO] finished frobbing jnicklas/rustos [INFO] frobbed toml for jnicklas/rustos written to work/ex/beta-1.38-1/sources/1.37.0/gh/jnicklas/rustos/Cargo.toml [INFO] started frobbing jnicklas/rustos [INFO] finished frobbing jnicklas/rustos [INFO] frobbed toml for jnicklas/rustos written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jnicklas/rustos/Cargo.toml [INFO] crate jnicklas/rustos already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jnicklas/rustos/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing jnicklas/rustos against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jnicklas/rustos:/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=warn" "-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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] a85140e523e42e168c2862fbca9076da943e36b0a4024a6b86d77efc871ad42b [INFO] running `"docker" "start" "-a" "a85140e523e42e168c2862fbca9076da943e36b0a4024a6b86d77efc871ad42b"` [INFO] [stderr] Compiling rlibc v1.0.0 [INFO] [stderr] Compiling rustos v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(no_std, lang_items, const_fn, unique, core_str_ext)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0522]: definition of an unknown language item: `panic_fmt` [INFO] [stderr] --> src/lib.rs:25:1 [INFO] [stderr] | [INFO] [stderr] 25 | #[lang = "panic_fmt"] extern fn panic_fmt() -> ! {loop{}} [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt` [INFO] [stderr] [INFO] [stderr] error: `#[panic_handler]` function required, but not found [INFO] [stderr] [INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals': use NonNull instead and consider PhantomData (if you also use #[may_dangle]), Send, and/or Sync [INFO] [stderr] --> src/vga_buffer.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use core::ptr::Unique; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals': use NonNull instead and consider PhantomData (if you also use #[may_dangle]), Send, and/or Sync [INFO] [stderr] --> src/vga_buffer.rs:52:13 [INFO] [stderr] | [INFO] [stderr] 52 | buffer: Unique, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals': use NonNull instead and consider PhantomData (if you also use #[may_dangle]), Send, and/or Sync [INFO] [stderr] --> src/vga_buffer.rs:60:30 [INFO] [stderr] | [INFO] [stderr] 60 | buffer: unsafe { Unique::new(0xb8000 as *mut _) }, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals' [INFO] [stderr] --> src/vga_buffer.rs:60:30 [INFO] [stderr] | [INFO] [stderr] 60 | buffer: unsafe { Unique::new(0xb8000 as *mut _) }, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/vga_buffer.rs:60:30 [INFO] [stderr] | [INFO] [stderr] 60 | buffer: unsafe { Unique::new(0xb8000 as *mut _) }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `core::ptr::Unique`, found enum `core::option::Option` [INFO] [stderr] | [INFO] [stderr] = note: expected type `core::ptr::Unique` [INFO] [stderr] found type `core::option::Option>` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `get_mut` found for type `core::ptr::Unique` in the current scope [INFO] [stderr] --> src/vga_buffer.rs:95:29 [INFO] [stderr] | [INFO] [stderr] 95 | unsafe{ self.buffer.get_mut() } [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `core::fmt::Write` [INFO] [stderr] --> src/lib.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use core::fmt::Write; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] error: aborting due to 9 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0308, E0522, E0554, E0599, E0658. [INFO] [stderr] For more information about an error, try `rustc --explain E0308`. [INFO] [stderr] error: Could not compile `rustos`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "a85140e523e42e168c2862fbca9076da943e36b0a4024a6b86d77efc871ad42b"` [INFO] running `"docker" "rm" "-f" "a85140e523e42e168c2862fbca9076da943e36b0a4024a6b86d77efc871ad42b"` [INFO] [stdout] a85140e523e42e168c2862fbca9076da943e36b0a4024a6b86d77efc871ad42b