[INFO] updating cached repository xldenis/ferros [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/xldenis/ferros [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/xldenis/ferros" "work/ex/beta-1.38-1/sources/1.37.0/gh/xldenis/ferros"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/xldenis/ferros'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/xldenis/ferros" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/xldenis/ferros"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/xldenis/ferros'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] ef90b231b5d71ee5c89ae3d507161026297af1ee [INFO] sha for GitHub repo xldenis/ferros: ef90b231b5d71ee5c89ae3d507161026297af1ee [INFO] validating manifest of xldenis/ferros 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 xldenis/ferros 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 xldenis/ferros [INFO] finished frobbing xldenis/ferros [INFO] frobbed toml for xldenis/ferros written to work/ex/beta-1.38-1/sources/1.37.0/gh/xldenis/ferros/Cargo.toml [INFO] started frobbing xldenis/ferros [INFO] finished frobbing xldenis/ferros [INFO] frobbed toml for xldenis/ferros written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/xldenis/ferros/Cargo.toml [INFO] crate xldenis/ferros 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/xldenis/ferros/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needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml"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] [stderr] Blocking waiting for file lock on package cache [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 xldenis/ferros 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/xldenis/ferros:/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] 5e2aee03123f45b1b1657aaadae9627f92f5e6782a2ef24bc13a08e45dbf28ec [INFO] running `"docker" "start" "-a" "5e2aee03123f45b1b1657aaadae9627f92f5e6782a2ef24bc13a08e45dbf28ec"` [INFO] [stderr] Compiling ferros v0.0.0 (/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, 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:43:1 [INFO] [stderr] | [INFO] [stderr] 43 | #[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/lib.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | 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/lib.rs:37:21 [INFO] [stderr] | [INFO] [stderr] 37 | buffer: unsafe {Unique::new(0xb8000 as *mut _)}, [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/writer.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | 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/writer.rs:51:17 [INFO] [stderr] | [INFO] [stderr] 51 | pub buffer: Unique, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals' [INFO] [stderr] --> src/lib.rs:37:21 [INFO] [stderr] | [INFO] [stderr] 37 | buffer: unsafe {Unique::new(0xb8000 as *mut _)}, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/lib.rs:37:21 [INFO] [stderr] | [INFO] [stderr] 37 | 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/writer.rs:77:29 [INFO] [stderr] | [INFO] [stderr] 77 | unsafe {self.buffer.get_mut()} [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 10 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 `ferros`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "5e2aee03123f45b1b1657aaadae9627f92f5e6782a2ef24bc13a08e45dbf28ec"` [INFO] running `"docker" "rm" "-f" "5e2aee03123f45b1b1657aaadae9627f92f5e6782a2ef24bc13a08e45dbf28ec"` [INFO] [stdout] 5e2aee03123f45b1b1657aaadae9627f92f5e6782a2ef24bc13a08e45dbf28ec