[INFO] updating cached repository 1byte2bytes/rust-kernel [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/1byte2bytes/rust-kernel [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/1byte2bytes/rust-kernel" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/1byte2bytes/rust-kernel"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/1byte2bytes/rust-kernel'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/1byte2bytes/rust-kernel" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/1byte2bytes/rust-kernel"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/1byte2bytes/rust-kernel'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] deb5fb4f678373986f3ac0b5fcc02f2bf83490db [INFO] sha for GitHub repo 1byte2bytes/rust-kernel: deb5fb4f678373986f3ac0b5fcc02f2bf83490db [INFO] validating manifest of 1byte2bytes/rust-kernel on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of 1byte2bytes/rust-kernel on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing 1byte2bytes/rust-kernel [INFO] finished frobbing 1byte2bytes/rust-kernel [INFO] frobbed toml for 1byte2bytes/rust-kernel written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/1byte2bytes/rust-kernel/Cargo.toml [INFO] started frobbing 1byte2bytes/rust-kernel [INFO] finished frobbing 1byte2bytes/rust-kernel [INFO] frobbed toml for 1byte2bytes/rust-kernel written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/1byte2bytes/rust-kernel/Cargo.toml [INFO] crate 1byte2bytes/rust-kernel already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Updating crates.io index [INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/1byte2bytes/rust-kernel/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking 1byte2bytes/rust-kernel against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-5/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/1byte2bytes/rust-kernel:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 76072e8d8a7d3612f5b052d96cc83cc998197b67eb910ba0c4ec1b155d64d50d [INFO] running `"docker" "start" "-a" "76072e8d8a7d3612f5b052d96cc83cc998197b67eb910ba0c4ec1b155d64d50d"` [INFO] [stderr] Checking rlibc v0.1.5 [INFO] [stderr] Checking spin v0.3.5 [INFO] [stderr] Checking volatile v0.1.0 [INFO] [stderr] Checking multiboot2 v0.1.0 [INFO] [stderr] Checking syd_os v0.0.1 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `self::entry::HUGE_PAGE` [INFO] [stderr] --> src/memory/paging/mod.rs:35:13 [INFO] [stderr] | [INFO] [stderr] 35 | use self::entry::HUGE_PAGE; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `self::entry::HUGE_PAGE` [INFO] [stderr] --> src/memory/paging/mod.rs:35:13 [INFO] [stderr] | [INFO] [stderr] 35 | use self::entry::HUGE_PAGE; [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:88:1 [INFO] [stderr] | [INFO] [stderr] 88 | #[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:48:5 [INFO] [stderr] | [INFO] [stderr] 48 | 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:53:13 [INFO] [stderr] | [INFO] [stderr] 53 | 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': use `NonNull` instead and consider `PhantomData` (if you also use `#[may_dangle]`), `Send`, and/or `Sync` [INFO] [stderr] --> src/vga_buffer.rs:60:22 [INFO] [stderr] | [INFO] [stderr] 60 | buffer: unsafe { Unique::new(0xb8000 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:123:26 [INFO] [stderr] | [INFO] [stderr] 123 | buffer: unsafe { Unique::new(0xb8000 as *mut _) }, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: add `#![feature(ptr_internals)]` to the crate attributes to enable [INFO] [stderr] [INFO] [stderr] error[E0152]: duplicate lang item found: `eh_personality`. [INFO] [stderr] --> src/lib.rs:86:28 [INFO] [stderr] | [INFO] [stderr] 86 | #[lang = "eh_personality"] extern fn eh_personality() {} [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:88:1 [INFO] [stderr] | [INFO] [stderr] 88 | #[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:48:5 [INFO] [stderr] | [INFO] [stderr] 48 | 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:53:13 [INFO] [stderr] | [INFO] [stderr] 53 | 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': use `NonNull` instead and consider `PhantomData` (if you also use `#[may_dangle]`), `Send`, and/or `Sync` [INFO] [stderr] --> src/vga_buffer.rs:60:22 [INFO] [stderr] | [INFO] [stderr] 60 | buffer: unsafe { Unique::new(0xb8000 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:123:26 [INFO] [stderr] | [INFO] [stderr] 123 | buffer: unsafe { Unique::new(0xb8000 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:60:22 [INFO] [stderr] | [INFO] [stderr] 60 | buffer: unsafe { Unique::new(0xb8000 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:60:22 [INFO] [stderr] | [INFO] [stderr] 60 | buffer: unsafe { Unique::new(0xb8000 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:60:22 [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] warning: unreachable expression [INFO] [stderr] --> src/lib.rs:77:5 [INFO] [stderr] | [INFO] [stderr] 77 | loop{} [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/vga_buffer.rs:60:22 [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:86:29 [INFO] [stderr] | [INFO] [stderr] 86 | 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:123:26 [INFO] [stderr] | [INFO] [stderr] 123 | buffer: unsafe { Unique::new(0xb8000 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:123:26 [INFO] [stderr] | [INFO] [stderr] 123 | 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] warning: unreachable expression [INFO] [stderr] --> src/lib.rs:77:5 [INFO] [stderr] | [INFO] [stderr] 77 | loop{} [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] error[E0271]: type mismatch resolving `<[closure@src/memory/paging/mod.rs:39:25: 41:10] as core::ops::FnOnce<()>>::Output == core::option::Option` [INFO] [stderr] --> src/memory/paging/mod.rs:46:14 [INFO] [stderr] | [INFO] [stderr] 46 | .or_else(huge_page) [INFO] [stderr] | ^^^^^^^ expected (), found enum `core::option::Option` [INFO] [stderr] | [INFO] [stderr] = note: expected type `()` [INFO] [stderr] found type `core::option::Option` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/memory/paging/mod.rs:49:27 [INFO] [stderr] | [INFO] [stderr] 49 | fn p4_index(&self) -> usize { [INFO] [stderr] | -------- ^^^^^ expected usize, found () [INFO] [stderr] | | [INFO] [stderr] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stderr] 50 | (self.number >> 27) & 0o777; [INFO] [stderr] | - help: consider removing this semicolon [INFO] [stderr] | [INFO] [stderr] = note: expected type `usize` [INFO] [stderr] found type `()` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/memory/paging/mod.rs:53:27 [INFO] [stderr] | [INFO] [stderr] 53 | fn p3_index(&self) -> usize { [INFO] [stderr] | -------- ^^^^^ expected usize, found () [INFO] [stderr] | | [INFO] [stderr] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stderr] 54 | (self.number >> 18) & 0o777; [INFO] [stderr] | - help: consider removing this semicolon [INFO] [stderr] | [INFO] [stderr] = note: expected type `usize` [INFO] [stderr] found type `()` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/memory/paging/mod.rs:57:27 [INFO] [stderr] | [INFO] [stderr] 57 | fn p2_index(&self) -> usize { [INFO] [stderr] | -------- ^^^^^ expected usize, found () [INFO] [stderr] | | [INFO] [stderr] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stderr] 58 | (self.number >> 9) & 0o777; [INFO] [stderr] | - help: consider removing this semicolon [INFO] [stderr] | [INFO] [stderr] = note: expected type `usize` [INFO] [stderr] found type `()` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/memory/paging/mod.rs:61:27 [INFO] [stderr] | [INFO] [stderr] 61 | fn p1_index(&self) -> usize { [INFO] [stderr] | -------- ^^^^^ expected usize, found () [INFO] [stderr] | | [INFO] [stderr] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stderr] 62 | (self.number >> 0) & 0o777; [INFO] [stderr] | - help: consider removing this semicolon [INFO] [stderr] | [INFO] [stderr] = note: expected type `usize` [INFO] [stderr] found type `()` [INFO] [stderr] [INFO] [stderr] error[E0615]: attempted to take value of method `start_address` on type `memory::Frame` [INFO] [stderr] --> src/memory/paging/entry.rs:29:23 [INFO] [stderr] | [INFO] [stderr] 29 | assert!(frame.start_address & !0x000fffff_fffff000 == 0); [INFO] [stderr] | ^^^^^^^^^^^^^ help: use parentheses to call the method: `start_address()` [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:86:29 [INFO] [stderr] | [INFO] [stderr] 86 | 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:123:26 [INFO] [stderr] | [INFO] [stderr] 123 | buffer: unsafe { Unique::new(0xb8000 as *mut _) }, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: add `#![feature(ptr_internals)]` to the crate attributes to enable [INFO] [stderr] [INFO] [stderr] error: aborting due to 17 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0271, E0308, E0522, E0599, E0615, E0658. [INFO] [stderr] For more information about an error, try `rustc --explain E0271`. [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/vga_buffer.rs:123:26 [INFO] [stderr] | [INFO] [stderr] 123 | 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: Could not compile `syd_os`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0271]: type mismatch resolving `<[closure@src/memory/paging/mod.rs:39:25: 41:10] as core::ops::FnOnce<()>>::Output == core::option::Option` [INFO] [stderr] --> src/memory/paging/mod.rs:46:14 [INFO] [stderr] | [INFO] [stderr] 46 | .or_else(huge_page) [INFO] [stderr] | ^^^^^^^ expected (), found enum `core::option::Option` [INFO] [stderr] | [INFO] [stderr] = note: expected type `()` [INFO] [stderr] found type `core::option::Option` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/memory/paging/mod.rs:49:27 [INFO] [stderr] | [INFO] [stderr] 49 | fn p4_index(&self) -> usize { [INFO] [stderr] | -------- ^^^^^ expected usize, found () [INFO] [stderr] | | [INFO] [stderr] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stderr] 50 | (self.number >> 27) & 0o777; [INFO] [stderr] | - help: consider removing this semicolon [INFO] [stderr] | [INFO] [stderr] = note: expected type `usize` [INFO] [stderr] found type `()` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/memory/paging/mod.rs:53:27 [INFO] [stderr] | [INFO] [stderr] 53 | fn p3_index(&self) -> usize { [INFO] [stderr] | -------- ^^^^^ expected usize, found () [INFO] [stderr] | | [INFO] [stderr] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stderr] 54 | (self.number >> 18) & 0o777; [INFO] [stderr] | - help: consider removing this semicolon [INFO] [stderr] | [INFO] [stderr] = note: expected type `usize` [INFO] [stderr] found type `()` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/memory/paging/mod.rs:57:27 [INFO] [stderr] | [INFO] [stderr] 57 | fn p2_index(&self) -> usize { [INFO] [stderr] | -------- ^^^^^ expected usize, found () [INFO] [stderr] | | [INFO] [stderr] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stderr] 58 | (self.number >> 9) & 0o777; [INFO] [stderr] | - help: consider removing this semicolon [INFO] [stderr] | [INFO] [stderr] = note: expected type `usize` [INFO] [stderr] found type `()` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/memory/paging/mod.rs:61:27 [INFO] [stderr] | [INFO] [stderr] 61 | fn p1_index(&self) -> usize { [INFO] [stderr] | -------- ^^^^^ expected usize, found () [INFO] [stderr] | | [INFO] [stderr] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stderr] 62 | (self.number >> 0) & 0o777; [INFO] [stderr] | - help: consider removing this semicolon [INFO] [stderr] | [INFO] [stderr] = note: expected type `usize` [INFO] [stderr] found type `()` [INFO] [stderr] [INFO] [stderr] error[E0615]: attempted to take value of method `start_address` on type `memory::Frame` [INFO] [stderr] --> src/memory/paging/entry.rs:29:23 [INFO] [stderr] | [INFO] [stderr] 29 | assert!(frame.start_address & !0x000fffff_fffff000 == 0); [INFO] [stderr] | ^^^^^^^^^^^^^ help: use parentheses to call the method: `start_address()` [INFO] [stderr] [INFO] [stderr] error: aborting due to 17 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0152, E0271, E0308, E0522, E0599, E0615, E0658. [INFO] [stderr] For more information about an error, try `rustc --explain E0152`. [INFO] [stderr] error: Could not compile `syd_os`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "76072e8d8a7d3612f5b052d96cc83cc998197b67eb910ba0c4ec1b155d64d50d"` [INFO] running `"docker" "rm" "-f" "76072e8d8a7d3612f5b052d96cc83cc998197b67eb910ba0c4ec1b155d64d50d"` [INFO] [stdout] 76072e8d8a7d3612f5b052d96cc83cc998197b67eb910ba0c4ec1b155d64d50d