[INFO] updating cached repository JeffBelgum/learn-me-an-os [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/JeffBelgum/learn-me-an-os [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/JeffBelgum/learn-me-an-os" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/JeffBelgum/learn-me-an-os"` [INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/JeffBelgum/learn-me-an-os'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/JeffBelgum/learn-me-an-os" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/JeffBelgum/learn-me-an-os"` [INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/JeffBelgum/learn-me-an-os'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 703915a437c5d03fa6b1671a2d01416d9d22e6bf [INFO] sha for GitHub repo JeffBelgum/learn-me-an-os: 703915a437c5d03fa6b1671a2d01416d9d22e6bf [INFO] validating manifest of JeffBelgum/learn-me-an-os on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of JeffBelgum/learn-me-an-os on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing JeffBelgum/learn-me-an-os [INFO] finished frobbing JeffBelgum/learn-me-an-os [INFO] frobbed toml for JeffBelgum/learn-me-an-os written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/JeffBelgum/learn-me-an-os/Cargo.toml [INFO] started frobbing JeffBelgum/learn-me-an-os [INFO] finished frobbing JeffBelgum/learn-me-an-os [INFO] frobbed toml for JeffBelgum/learn-me-an-os written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/JeffBelgum/learn-me-an-os/Cargo.toml [INFO] crate JeffBelgum/learn-me-an-os already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] checking JeffBelgum/learn-me-an-os against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-7/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/JeffBelgum/learn-me-an-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=forbid" "-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" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 5007c7b55a2530c374cbd75d1b25381ba1e16bc3229756e2c799a880a34ea3cb [INFO] running `"docker" "start" "-a" "5007c7b55a2530c374cbd75d1b25381ba1e16bc3229756e2c799a880a34ea3cb"` [INFO] [stderr] Checking bitflags v0.4.0 [INFO] [stderr] Checking rlibc v1.0.0 [INFO] [stderr] Checking spin v0.4.5 [INFO] [stderr] Checking volatile v0.2.1 [INFO] [stderr] Checking bitflags v0.7.0 [INFO] [stderr] Checking multiboot2 v0.3.1 [INFO] [stderr] Checking learn_me_an_os v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `memory::PAGE_SIZE` [INFO] [stderr] --> src/memory/paging/mod.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use memory::PAGE_SIZE; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] error[E0152]: duplicate lang item found: `eh_personality`. [INFO] [stderr] --> src/lib.rs:19:1 [INFO] [stderr] | [INFO] [stderr] 19 | / extern fn eh_personality() { [INFO] [stderr] 20 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: first defined in crate `panic_unwind`. [INFO] [stderr] [INFO] [stderr] error[E0522]: definition of an unknown language item: `panic_fmt` [INFO] [stderr] --> src/lib.rs:22:1 [INFO] [stderr] | [INFO] [stderr] 22 | #[lang = "panic_fmt"] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt` [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:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use core::ptr::Unique; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: add `#![feature(ptr_internals)]` to the crate attributes to enable [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:14:26 [INFO] [stderr] | [INFO] [stderr] 14 | buffer: unsafe { Unique::new(VGA_BUFFER_START as *mut _) }, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: add `#![feature(ptr_internals)]` to the crate attributes to enable [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:61:13 [INFO] [stderr] | [INFO] [stderr] 61 | buffer: Unique, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: add `#![feature(ptr_internals)]` to the crate attributes to enable [INFO] [stderr] [INFO] [stderr] warning: unused import: `memory::PAGE_SIZE` [INFO] [stderr] --> src/memory/paging/mod.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use memory::PAGE_SIZE; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] error[E0522]: definition of an unknown language item: `panic_fmt` [INFO] [stderr] --> src/lib.rs:22:1 [INFO] [stderr] | [INFO] [stderr] 22 | #[lang = "panic_fmt"] [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:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use core::ptr::Unique; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: add `#![feature(ptr_internals)]` to the crate attributes to enable [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:14:26 [INFO] [stderr] | [INFO] [stderr] 14 | buffer: unsafe { Unique::new(VGA_BUFFER_START as *mut _) }, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: add `#![feature(ptr_internals)]` to the crate attributes to enable [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:61:13 [INFO] [stderr] | [INFO] [stderr] 61 | buffer: Unique, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: add `#![feature(ptr_internals)]` to the crate attributes to enable [INFO] [stderr] [INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals' [INFO] [stderr] --> src/vga_buffer.rs:14:26 [INFO] [stderr] | [INFO] [stderr] 14 | buffer: unsafe { Unique::new(VGA_BUFFER_START as *mut _) }, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: add `#![feature(ptr_internals)]` to the crate attributes to enable [INFO] [stderr] [INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals' [INFO] [stderr] --> src/vga_buffer.rs:14:26 [INFO] [stderr] | [INFO] [stderr] 14 | buffer: unsafe { Unique::new(VGA_BUFFER_START as *mut _) }, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: add `#![feature(ptr_internals)]` to the crate attributes to enable [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/vga_buffer.rs:14:26 [INFO] [stderr] | [INFO] [stderr] 14 | buffer: unsafe { Unique::new(VGA_BUFFER_START 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[E0308]: mismatched types [INFO] [stderr] --> src/vga_buffer.rs:14:26 [INFO] [stderr] | [INFO] [stderr] 14 | buffer: unsafe { Unique::new(VGA_BUFFER_START 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:88:25 [INFO] [stderr] | [INFO] [stderr] 88 | self.buffer.get_mut() [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 8 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0152, E0308, E0522, E0599, E0658. [INFO] [stderr] For more information about an error, try `rustc --explain E0152`. [INFO] [stderr] error: Could not compile `learn_me_an_os`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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:88:25 [INFO] [stderr] | [INFO] [stderr] 88 | self.buffer.get_mut() [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 8 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0308, E0522, E0599, E0658. [INFO] [stderr] For more information about an error, try `rustc --explain E0308`. [INFO] [stderr] error: Could not compile `learn_me_an_os`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "5007c7b55a2530c374cbd75d1b25381ba1e16bc3229756e2c799a880a34ea3cb"` [INFO] running `"docker" "rm" "-f" "5007c7b55a2530c374cbd75d1b25381ba1e16bc3229756e2c799a880a34ea3cb"` [INFO] [stdout] 5007c7b55a2530c374cbd75d1b25381ba1e16bc3229756e2c799a880a34ea3cb