[INFO] cloning repository https://github.com/flakeparadigm/rust_blog_os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flakeparadigm/rust_blog_os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflakeparadigm%2Frust_blog_os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflakeparadigm%2Frust_blog_os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 45f8a7e6271b8649fea16bcb5d1ff1463cca5a81
[INFO] checking flakeparadigm/rust_blog_os against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflakeparadigm%2Frust_blog_os" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/flakeparadigm/rust_blog_os on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/flakeparadigm/rust_blog_os
[INFO] finished tweaking git repo https://github.com/flakeparadigm/rust_blog_os
[INFO] tweaked toml for git repo https://github.com/flakeparadigm/rust_blog_os written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/flakeparadigm/rust_blog_os already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/phil-opp/multiboot2-elf64`
[INFO] [stderr] error: the lock file /workspace/builds/worker-6/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/phil-opp/multiboot2-elf64`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ea7dc68b2a862398b7b43f3da9ab9306713df1b455a10618727035c8ab696ec
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4ea7dc68b2a862398b7b43f3da9ab9306713df1b455a10618727035c8ab696ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ea7dc68b2a862398b7b43f3da9ab9306713df1b455a10618727035c8ab696ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ea7dc68b2a862398b7b43f3da9ab9306713df1b455a10618727035c8ab696ec", kill_on_drop: false }`
[INFO] [stdout] 4ea7dc68b2a862398b7b43f3da9ab9306713df1b455a10618727035c8ab696ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53d0cc13a4172f3553616125e56725eb3275fe51e8cec2570ef215cd72433777
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "53d0cc13a4172f3553616125e56725eb3275fe51e8cec2570ef215cd72433777", kill_on_drop: false }`
[INFO] [stderr]     Checking spin v0.4.10
[INFO] [stderr]     Checking multiboot2 v0.9.0 (https://github.com/phil-opp/multiboot2-elf64#30d64f41)
[INFO] [stderr]     Checking rust_blog_os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0522]: definition of an unknown language item: `panic_fmt`
[INFO] [stdout]   --> src/lib.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 | #[lang = "panic_fmt"]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `#[panic_handler]` function required, but not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]  --> src/memory/area_frame_allocator.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     areas: MemoryAreaIter,
[INFO] [stdout]   |            ^^^^^^^^^^^^^^ expected named lifetime parameter
[INFO] [stdout]   |
[INFO] [stdout] help: consider introducing a named lifetime parameter
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct AreaFrameAllocator<'a> {
[INFO] [stdout] 5 |     next_free_frame: Frame,
[INFO] [stdout] 6 |     current_area: Option<&'static MemoryArea>,
[INFO] [stdout] 7 |     areas: MemoryAreaIter<'a>,
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]  --> src/vga_buffer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::ptr::Unique;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]   --> src/vga_buffer.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 |     buffer: unsafe { Unique::new(0xb8000 as *mut _) },
[INFO] [stdout]    |                      ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]   --> src/vga_buffer.rs:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |     buffer: Unique<Buffer>,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stdout]   --> src/vga_buffer.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 |     buffer: unsafe { Unique::new(0xb8000 as *mut _) },
[INFO] [stdout]    |                      ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `eh_personality`
[INFO] [stdout]   --> src/lib.rs:77:28
[INFO] [stdout]    |
[INFO] [stdout] 77 | #[lang = "eh_personality"] extern fn eh_personality() {}
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `panic_unwind` (which `std` depends on)
[INFO] [stdout]    = note: first definition in `panic_unwind` loaded from /opt/rustwide/rustup-home/toolchains/f47dd4da3ae8c32c9e65d307bfe640b143e674df/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-cb36837ea2d84c1b.rlib
[INFO] [stdout]    = note: second definition in the local crate (`rust_blog_os`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0522]: definition of an unknown language item: `panic_fmt`
[INFO] [stdout]   --> src/lib.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 | #[lang = "panic_fmt"]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]  --> src/memory/area_frame_allocator.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     areas: MemoryAreaIter,
[INFO] [stdout]   |            ^^^^^^^^^^^^^^ expected named lifetime parameter
[INFO] [stdout]   |
[INFO] [stdout] help: consider introducing a named lifetime parameter
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct AreaFrameAllocator<'a> {
[INFO] [stdout] 5 |     next_free_frame: Frame,
[INFO] [stdout] 6 |     current_area: Option<&'static MemoryArea>,
[INFO] [stdout] 7 |     areas: MemoryAreaIter<'a>,
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]  --> src/vga_buffer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::ptr::Unique;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]   --> src/vga_buffer.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 |     buffer: unsafe { Unique::new(0xb8000 as *mut _) },
[INFO] [stdout]    |                      ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]   --> src/vga_buffer.rs:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |     buffer: Unique<Buffer>,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stdout]   --> src/vga_buffer.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 |     buffer: unsafe { Unique::new(0xb8000 as *mut _) },
[INFO] [stdout]    |                      ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/vga_buffer.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 |     buffer: unsafe { Unique::new(0xb8000 as *mut _) },
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `Unique`, found enum `Option`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Unique<Buffer>`
[INFO] [stdout]                 found enum `Option<Unique<_>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0616]: field `base_addr` of struct `MemoryArea` is private
[INFO] [stdout]   --> src/lib.rs:32:18
[INFO] [stdout]    |
[INFO] [stdout] 32 |             area.base_addr, area.length);
[INFO] [stdout]    |                  ^^^^^^^^^ private field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0616]: field `length` of struct `MemoryArea` is private
[INFO] [stdout]   --> src/lib.rs:32:34
[INFO] [stdout]    |
[INFO] [stdout] 32 |             area.base_addr, area.length);
[INFO] [stdout]    |                                  ^^^^^^ private field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `addr` on type `ElfSection`
[INFO] [stdout]   --> src/lib.rs:42:21
[INFO] [stdout]    |
[INFO] [stdout] 42 |             section.addr, section.size, section.flags);
[INFO] [stdout]    |                     ^^^^ unknown field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0615]: attempted to take value of method `size` on type `ElfSection`
[INFO] [stdout]   --> src/lib.rs:42:35
[INFO] [stdout]    |
[INFO] [stdout] 42 |             section.addr, section.size, section.flags);
[INFO] [stdout]    |                                   ^^^^ method, not a field
[INFO] [stdout]    |
[INFO] [stdout] help: use parentheses to call the method
[INFO] [stdout]    |
[INFO] [stdout] 42 |             section.addr, section.size(), section.flags);
[INFO] [stdout]    |                                       ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0615]: attempted to take value of method `flags` on type `ElfSection`
[INFO] [stdout]   --> src/lib.rs:42:49
[INFO] [stdout]    |
[INFO] [stdout] 42 |             section.addr, section.size, section.flags);
[INFO] [stdout]    |                                                 ^^^^^ method, not a field
[INFO] [stdout]    |
[INFO] [stdout] help: use parentheses to call the method
[INFO] [stdout]    |
[INFO] [stdout] 42 |             section.addr, section.size, section.flags());
[INFO] [stdout]    |                                                      ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `addr` on type `ElfSection`
[INFO] [stdout]   --> src/lib.rs:46:62
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let kernel_start = elf_sections_tag.sections().map(|s| s.addr)
[INFO] [stdout]    |                                                              ^^^^ unknown field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `addr` on type `ElfSection`
[INFO] [stdout]   --> src/lib.rs:48:60
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let kernel_end = elf_sections_tag.sections().map(|s| s.addr + s.size)
[INFO] [stdout]    |                                                            ^^^^ unknown field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0615]: attempted to take value of method `size` on type `ElfSection`
[INFO] [stdout]   --> src/lib.rs:48:69
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let kernel_end = elf_sections_tag.sections().map(|s| s.addr + s.size)
[INFO] [stdout]    |                                                                     ^^^^ method, not a field
[INFO] [stdout]    |
[INFO] [stdout] help: use parentheses to call the method
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let kernel_end = elf_sections_tag.sections().map(|s| s.addr + s.size())
[INFO] [stdout]    |                                                                         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0615]: attempted to take value of method `total_size` on type `BootInformation`
[INFO] [stdout]   --> src/lib.rs:56:54
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let multiboot_end = multiboot_start + (boot_info.total_size as usize);
[INFO] [stdout]    |                                                      ^^^^^^^^^^ method, not a field
[INFO] [stdout]    |
[INFO] [stdout] help: use parentheses to call the method
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let multiboot_end = multiboot_start + (boot_info.total_size() as usize);
[INFO] [stdout]    |                                                                ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0621]: explicit lifetime required in the type of `memory_areas`
[INFO] [stdout]   --> src/memory/area_frame_allocator.rs:21:20
[INFO] [stdout]    |
[INFO] [stdout] 16 |         memory_areas: MemoryAreaIter) -> AreaFrameAllocator
[INFO] [stdout]    |                       -------------- help: add explicit lifetime `'static` to the type of `memory_areas`: `MemoryAreaIter<'static>`
[INFO] [stdout] ...
[INFO] [stdout] 21 |             areas: memory_areas,
[INFO] [stdout]    |                    ^^^^^^^^^^^^ lifetime `'static` required
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0616]: field `base_addr` of struct `MemoryArea` is private
[INFO] [stdout]   --> src/memory/area_frame_allocator.rs:34:32
[INFO] [stdout]    |
[INFO] [stdout] 34 |             let address = area.base_addr + area.length - 1;
[INFO] [stdout]    |                                ^^^^^^^^^ private field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0616]: field `length` of struct `MemoryArea` is private
[INFO] [stdout]   --> src/memory/area_frame_allocator.rs:34:49
[INFO] [stdout]    |
[INFO] [stdout] 34 |             let address = area.base_addr + area.length - 1;
[INFO] [stdout]    |                                                 ^^^^^^ private field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0616]: field `base_addr` of struct `MemoryArea` is private
[INFO] [stdout]   --> src/memory/area_frame_allocator.rs:36:35
[INFO] [stdout]    |
[INFO] [stdout] 36 |         }).min_by_key(|area| area.base_addr);
[INFO] [stdout]    |                                   ^^^^^^^^^ private field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0616]: field `base_addr` of struct `MemoryArea` is private
[INFO] [stdout]   --> src/memory/area_frame_allocator.rs:39:62
[INFO] [stdout]    |
[INFO] [stdout] 39 |             let start_frame = Frame::containing_address(area.base_addr as usize);
[INFO] [stdout]    |                                                              ^^^^^^^^^ private field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0616]: field `base_addr` of struct `MemoryArea` is private
[INFO] [stdout]   --> src/memory/area_frame_allocator.rs:57:36
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 let address = area.base_addr + area.length - 1;
[INFO] [stdout]    |                                    ^^^^^^^^^ private field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0616]: field `length` of struct `MemoryArea` is private
[INFO] [stdout]   --> src/memory/area_frame_allocator.rs:57:53
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 let address = area.base_addr + area.length - 1;
[INFO] [stdout]    |                                                     ^^^^^^ private field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_mut` found for struct `Unique<Buffer>` in the current scope
[INFO] [stdout]    --> src/vga_buffer.rs:104:29
[INFO] [stdout]     |
[INFO] [stdout] 104 |         unsafe{ self.buffer.get_mut() }
[INFO] [stdout]     |                             ^^^^^^^ method not found in `Unique<Buffer>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 25 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0106, E0308, E0522, E0599, E0609, E0615, E0616, E0621, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0106`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_blog_os`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/vga_buffer.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 |     buffer: unsafe { Unique::new(0xb8000 as *mut _) },
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `Unique`, found enum `Option`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Unique<Buffer>`
[INFO] [stdout]                 found enum `Option<Unique<_>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0616]: field `base_addr` of struct `MemoryArea` is private
[INFO] [stdout]   --> src/lib.rs:32:18
[INFO] [stdout]    |
[INFO] [stdout] 32 |             area.base_addr, area.length);
[INFO] [stdout]    |                  ^^^^^^^^^ private field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0616]: field `length` of struct `MemoryArea` is private
[INFO] [stdout]   --> src/lib.rs:32:34
[INFO] [stdout]    |
[INFO] [stdout] 32 |             area.base_addr, area.length);
[INFO] [stdout]    |                                  ^^^^^^ private field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `addr` on type `ElfSection`
[INFO] [stdout]   --> src/lib.rs:42:21
[INFO] [stdout]    |
[INFO] [stdout] 42 |             section.addr, section.size, section.flags);
[INFO] [stdout]    |                     ^^^^ unknown field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0615]: attempted to take value of method `size` on type `ElfSection`
[INFO] [stdout]   --> src/lib.rs:42:35
[INFO] [stdout]    |
[INFO] [stdout] 42 |             section.addr, section.size, section.flags);
[INFO] [stdout]    |                                   ^^^^ method, not a field
[INFO] [stdout]    |
[INFO] [stdout] help: use parentheses to call the method
[INFO] [stdout]    |
[INFO] [stdout] 42 |             section.addr, section.size(), section.flags);
[INFO] [stdout]    |                                       ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0615]: attempted to take value of method `flags` on type `ElfSection`
[INFO] [stdout]   --> src/lib.rs:42:49
[INFO] [stdout]    |
[INFO] [stdout] 42 |             section.addr, section.size, section.flags);
[INFO] [stdout]    |                                                 ^^^^^ method, not a field
[INFO] [stdout]    |
[INFO] [stdout] help: use parentheses to call the method
[INFO] [stdout]    |
[INFO] [stdout] 42 |             section.addr, section.size, section.flags());
[INFO] [stdout]    |                                                      ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `addr` on type `ElfSection`
[INFO] [stdout]   --> src/lib.rs:46:62
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let kernel_start = elf_sections_tag.sections().map(|s| s.addr)
[INFO] [stdout]    |                                                              ^^^^ unknown field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `addr` on type `ElfSection`
[INFO] [stdout]   --> src/lib.rs:48:60
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let kernel_end = elf_sections_tag.sections().map(|s| s.addr + s.size)
[INFO] [stdout]    |                                                            ^^^^ unknown field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0615]: attempted to take value of method `size` on type `ElfSection`
[INFO] [stdout]   --> src/lib.rs:48:69
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let kernel_end = elf_sections_tag.sections().map(|s| s.addr + s.size)
[INFO] [stdout]    |                                                                     ^^^^ method, not a field
[INFO] [stdout]    |
[INFO] [stdout] help: use parentheses to call the method
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let kernel_end = elf_sections_tag.sections().map(|s| s.addr + s.size())
[INFO] [stdout]    |                                                                         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0615]: attempted to take value of method `total_size` on type `BootInformation`
[INFO] [stdout]   --> src/lib.rs:56:54
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let multiboot_end = multiboot_start + (boot_info.total_size as usize);
[INFO] [stdout]    |                                                      ^^^^^^^^^^ method, not a field
[INFO] [stdout]    |
[INFO] [stdout] help: use parentheses to call the method
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let multiboot_end = multiboot_start + (boot_info.total_size() as usize);
[INFO] [stdout]    |                                                                ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0621]: explicit lifetime required in the type of `memory_areas`
[INFO] [stdout]   --> src/memory/area_frame_allocator.rs:21:20
[INFO] [stdout]    |
[INFO] [stdout] 16 |         memory_areas: MemoryAreaIter) -> AreaFrameAllocator
[INFO] [stdout]    |                       -------------- help: add explicit lifetime `'static` to the type of `memory_areas`: `MemoryAreaIter<'static>`
[INFO] [stdout] ...
[INFO] [stdout] 21 |             areas: memory_areas,
[INFO] [stdout]    |                    ^^^^^^^^^^^^ lifetime `'static` required
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0616]: field `base_addr` of struct `MemoryArea` is private
[INFO] [stdout]   --> src/memory/area_frame_allocator.rs:34:32
[INFO] [stdout]    |
[INFO] [stdout] 34 |             let address = area.base_addr + area.length - 1;
[INFO] [stdout]    |                                ^^^^^^^^^ private field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0616]: field `length` of struct `MemoryArea` is private
[INFO] [stdout]   --> src/memory/area_frame_allocator.rs:34:49
[INFO] [stdout]    |
[INFO] [stdout] 34 |             let address = area.base_addr + area.length - 1;
[INFO] [stdout]    |                                                 ^^^^^^ private field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0616]: field `base_addr` of struct `MemoryArea` is private
[INFO] [stdout]   --> src/memory/area_frame_allocator.rs:36:35
[INFO] [stdout]    |
[INFO] [stdout] 36 |         }).min_by_key(|area| area.base_addr);
[INFO] [stdout]    |                                   ^^^^^^^^^ private field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0616]: field `base_addr` of struct `MemoryArea` is private
[INFO] [stdout]   --> src/memory/area_frame_allocator.rs:39:62
[INFO] [stdout]    |
[INFO] [stdout] 39 |             let start_frame = Frame::containing_address(area.base_addr as usize);
[INFO] [stdout]    |                                                              ^^^^^^^^^ private field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0616]: field `base_addr` of struct `MemoryArea` is private
[INFO] [stdout]   --> src/memory/area_frame_allocator.rs:57:36
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 let address = area.base_addr + area.length - 1;
[INFO] [stdout]    |                                    ^^^^^^^^^ private field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0616]: field `length` of struct `MemoryArea` is private
[INFO] [stdout]   --> src/memory/area_frame_allocator.rs:57:53
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 let address = area.base_addr + area.length - 1;
[INFO] [stdout]    |                                                     ^^^^^^ private field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_mut` found for struct `Unique<Buffer>` in the current scope
[INFO] [stdout]    --> src/vga_buffer.rs:104:29
[INFO] [stdout]     |
[INFO] [stdout] 104 |         unsafe{ self.buffer.get_mut() }
[INFO] [stdout]     |                             ^^^^^^^ method not found in `Unique<Buffer>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 25 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0106, E0152, E0308, E0522, E0599, E0609, E0615, E0616, E0621...
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0106`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "53d0cc13a4172f3553616125e56725eb3275fe51e8cec2570ef215cd72433777", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53d0cc13a4172f3553616125e56725eb3275fe51e8cec2570ef215cd72433777", kill_on_drop: false }`
[INFO] [stdout] 53d0cc13a4172f3553616125e56725eb3275fe51e8cec2570ef215cd72433777