[INFO] updating cached repository oblivia-simplex/debasa-os [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/oblivia-simplex/debasa-os [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/oblivia-simplex/debasa-os" "work/ex/beta-1.38-1/sources/1.37.0/gh/oblivia-simplex/debasa-os"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/oblivia-simplex/debasa-os'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/oblivia-simplex/debasa-os" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/oblivia-simplex/debasa-os"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/oblivia-simplex/debasa-os'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d78b8ea204611a4afc9b91b5303235c2c96eca5d [INFO] sha for GitHub repo oblivia-simplex/debasa-os: d78b8ea204611a4afc9b91b5303235c2c96eca5d [INFO] validating manifest of oblivia-simplex/debasa-os 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 oblivia-simplex/debasa-os 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 oblivia-simplex/debasa-os [INFO] finished frobbing oblivia-simplex/debasa-os [INFO] frobbed toml for oblivia-simplex/debasa-os written to work/ex/beta-1.38-1/sources/1.37.0/gh/oblivia-simplex/debasa-os/Cargo.toml [INFO] started frobbing oblivia-simplex/debasa-os [INFO] finished frobbing oblivia-simplex/debasa-os [INFO] frobbed toml for oblivia-simplex/debasa-os written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/oblivia-simplex/debasa-os/Cargo.toml [INFO] crate oblivia-simplex/debasa-os 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/oblivia-simplex/debasa-os/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needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml"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] [stderr] Blocking waiting for file lock on package cache [INFO] testing oblivia-simplex/debasa-os 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/oblivia-simplex/debasa-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=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] 1e41125c82977e621471937e38d5b3ee9cde859d0ec92a837b225dca8842725b [INFO] running `"docker" "start" "-a" "1e41125c82977e621471937e38d5b3ee9cde859d0ec92a837b225dca8842725b"` [INFO] [stderr] Compiling rlibc v0.1.5 [INFO] [stderr] Compiling blog_os 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(lang_items)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/lib.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(const_fn)] // new [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/lib.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | #![feature(unique)] // new [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0522]: definition of an unknown language item: `panic_fmt` [INFO] [stderr] --> src/lib.rs:39:1 [INFO] [stderr] | [INFO] [stderr] 39 | #[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:48:13 [INFO] [stderr] | [INFO] [stderr] 48 | 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:93:26 [INFO] [stderr] | [INFO] [stderr] 93 | buffer: unsafe { Unique::new(0xb8000 as *mut _) }, [INFO] [stderr] | ^^^^^^^^^^^ [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:73:29 [INFO] [stderr] | [INFO] [stderr] 73 | unsafe{ self.buffer.get_mut() } [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals' [INFO] [stderr] --> src/vga_buffer.rs:93:26 [INFO] [stderr] | [INFO] [stderr] 93 | buffer: unsafe { Unique::new(0xb8000 as *mut _) }, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/vga_buffer.rs:93:26 [INFO] [stderr] | [INFO] [stderr] 93 | 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: aborting due to 11 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 `blog_os`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "1e41125c82977e621471937e38d5b3ee9cde859d0ec92a837b225dca8842725b"` [INFO] running `"docker" "rm" "-f" "1e41125c82977e621471937e38d5b3ee9cde859d0ec92a837b225dca8842725b"` [INFO] [stdout] 1e41125c82977e621471937e38d5b3ee9cde859d0ec92a837b225dca8842725b