[INFO] updating cached repository imondrag/toy_os [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/imondrag/toy_os [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/imondrag/toy_os" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/imondrag/toy_os"` [INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/imondrag/toy_os'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/imondrag/toy_os" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/imondrag/toy_os"` [INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/imondrag/toy_os'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 08d34b5ca9700f2d708a7498175e7f1609391cff [INFO] sha for GitHub repo imondrag/toy_os: 08d34b5ca9700f2d708a7498175e7f1609391cff [INFO] validating manifest of imondrag/toy_os on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of imondrag/toy_os on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing imondrag/toy_os [INFO] finished frobbing imondrag/toy_os [INFO] frobbed toml for imondrag/toy_os written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/imondrag/toy_os/Cargo.toml [INFO] started frobbing imondrag/toy_os [INFO] finished frobbing imondrag/toy_os [INFO] frobbed toml for imondrag/toy_os written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/imondrag/toy_os/Cargo.toml [INFO] crate imondrag/toy_os already has a lockfile, it will not be regenerated [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking imondrag/toy_os against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-3/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/imondrag/toy_os:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 25a14181ff71311d7761e75451897de5d3ee84180de8b83bf1153d4ca6c06762 [INFO] running `"docker" "start" "-a" "25a14181ff71311d7761e75451897de5d3ee84180de8b83bf1153d4ca6c06762"` [INFO] [stderr] Checking x86_64 v0.3.4 [INFO] [stderr] Compiling rand v0.4.3 [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Compiling skeptic v0.5.0 [INFO] [stderr] Compiling fixedvec v0.2.3 [INFO] [stderr] Checking bootloader v0.3.11 [INFO] [stderr] Checking toy_os v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `stack_frame` [INFO] [stderr] --> src/interrupts.rs:91:5 [INFO] [stderr] | [INFO] [stderr] 91 | stack_frame: &mut ExceptionStackFrame, [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_stack_frame` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `TIMER_INTERRUPT_ID` [INFO] [stderr] --> src/interrupts.rs:11:1 [INFO] [stderr] | [INFO] [stderr] 11 | const TIMER_INTERRUPT_ID: u8 = PIC1_OFFSET; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `timer_interrupt_handler` [INFO] [stderr] --> src/interrupts.rs:90:1 [INFO] [stderr] | [INFO] [stderr] 90 | / extern "x86-interrupt" fn timer_interrupt_handler( [INFO] [stderr] 91 | | stack_frame: &mut ExceptionStackFrame, [INFO] [stderr] 92 | | ) { [INFO] [stderr] 93 | | write!(Writer, "."); [INFO] [stderr] 94 | | unsafe { PICS.lock().notify_end_of_interrupt(TIMER_INTERRUPT_ID) } [INFO] [stderr] 95 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/interrupts.rs:76:5 [INFO] [stderr] | [INFO] [stderr] 76 | writeln!(Writer, "\n\nEXCEPTION: BREAKPOINT"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/interrupts.rs:77:5 [INFO] [stderr] | [INFO] [stderr] 77 | writeln!(Writer, "{:#?}", stack_frame); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/interrupts.rs:84:5 [INFO] [stderr] | [INFO] [stderr] 84 | writeln!(Writer, "\n\nEXCEPTION: DOUBLE FAULT"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/interrupts.rs:85:5 [INFO] [stderr] | [INFO] [stderr] 85 | writeln!(Writer, "{:#?}", stack_frame); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/interrupts.rs:86:5 [INFO] [stderr] | [INFO] [stderr] 86 | writeln!(Writer, "ERROR_CODE: {:#x}", error_code); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/interrupts.rs:93:5 [INFO] [stderr] | [INFO] [stderr] 93 | write!(Writer, "."); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/interrupts.rs:115:13 [INFO] [stderr] | [INFO] [stderr] 115 | / match key { [INFO] [stderr] 116 | | DecodedKey::Unicode(character) => write!(Writer, "{}", character), [INFO] [stderr] 117 | | DecodedKey::RawKey(key) => write!(Writer, "{:?}", key), [INFO] [stderr] 118 | | }; [INFO] [stderr] | |______________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: variable `port3D4` should have a snake case name [INFO] [stderr] --> src/vga_buffer/mod.rs:111:17 [INFO] [stderr] | [INFO] [stderr] 111 | let mut port3D4 = Port::new(0x3D4); [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `port3_d4` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable `port3D5` should have a snake case name [INFO] [stderr] --> src/vga_buffer/mod.rs:112:17 [INFO] [stderr] | [INFO] [stderr] 112 | let mut port3D5 = Port::new(0x3D5); [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `port3_d5` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `stack_frame` [INFO] [stderr] --> src/interrupts.rs:91:5 [INFO] [stderr] | [INFO] [stderr] 91 | stack_frame: &mut ExceptionStackFrame, [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_stack_frame` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `stack_frame` [INFO] [stderr] --> src/interrupts.rs:91:5 [INFO] [stderr] | [INFO] [stderr] 91 | stack_frame: &mut ExceptionStackFrame, [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_stack_frame` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `TIMER_INTERRUPT_ID` [INFO] [stderr] --> src/interrupts.rs:11:1 [INFO] [stderr] | [INFO] [stderr] 11 | const TIMER_INTERRUPT_ID: u8 = PIC1_OFFSET; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `timer_interrupt_handler` [INFO] [stderr] --> src/interrupts.rs:90:1 [INFO] [stderr] | [INFO] [stderr] 90 | / extern "x86-interrupt" fn timer_interrupt_handler( [INFO] [stderr] 91 | | stack_frame: &mut ExceptionStackFrame, [INFO] [stderr] 92 | | ) { [INFO] [stderr] 93 | | write!(Writer, "."); [INFO] [stderr] 94 | | unsafe { PICS.lock().notify_end_of_interrupt(TIMER_INTERRUPT_ID) } [INFO] [stderr] 95 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/interrupts.rs:76:5 [INFO] [stderr] | [INFO] [stderr] 76 | writeln!(Writer, "\n\nEXCEPTION: BREAKPOINT"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/interrupts.rs:77:5 [INFO] [stderr] | [INFO] [stderr] 77 | writeln!(Writer, "{:#?}", stack_frame); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/interrupts.rs:84:5 [INFO] [stderr] | [INFO] [stderr] 84 | writeln!(Writer, "\n\nEXCEPTION: DOUBLE FAULT"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/interrupts.rs:85:5 [INFO] [stderr] | [INFO] [stderr] 85 | writeln!(Writer, "{:#?}", stack_frame); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/interrupts.rs:86:5 [INFO] [stderr] | [INFO] [stderr] 86 | writeln!(Writer, "ERROR_CODE: {:#x}", error_code); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/interrupts.rs:93:5 [INFO] [stderr] | [INFO] [stderr] 93 | write!(Writer, "."); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/interrupts.rs:115:13 [INFO] [stderr] | [INFO] [stderr] 115 | / match key { [INFO] [stderr] 116 | | DecodedKey::Unicode(character) => write!(Writer, "{}", character), [INFO] [stderr] 117 | | DecodedKey::RawKey(key) => write!(Writer, "{:?}", key), [INFO] [stderr] 118 | | }; [INFO] [stderr] | |______________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: variable `port3D4` should have a snake case name [INFO] [stderr] --> src/vga_buffer/mod.rs:111:17 [INFO] [stderr] | [INFO] [stderr] 111 | let mut port3D4 = Port::new(0x3D4); [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `port3_d4` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable `port3D5` should have a snake case name [INFO] [stderr] --> src/vga_buffer/mod.rs:112:17 [INFO] [stderr] | [INFO] [stderr] 112 | let mut port3D5 = Port::new(0x3D5); [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `port3_d5` [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `TIMER_INTERRUPT_ID` [INFO] [stderr] --> src/interrupts.rs:11:1 [INFO] [stderr] | [INFO] [stderr] 11 | const TIMER_INTERRUPT_ID: u8 = PIC1_OFFSET; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `timer_interrupt_handler` [INFO] [stderr] --> src/interrupts.rs:90:1 [INFO] [stderr] | [INFO] [stderr] 90 | / extern "x86-interrupt" fn timer_interrupt_handler( [INFO] [stderr] 91 | | stack_frame: &mut ExceptionStackFrame, [INFO] [stderr] 92 | | ) { [INFO] [stderr] 93 | | write!(Writer, "."); [INFO] [stderr] 94 | | unsafe { PICS.lock().notify_end_of_interrupt(TIMER_INTERRUPT_ID) } [INFO] [stderr] 95 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/interrupts.rs:76:5 [INFO] [stderr] | [INFO] [stderr] 76 | writeln!(Writer, "\n\nEXCEPTION: BREAKPOINT"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/interrupts.rs:77:5 [INFO] [stderr] | [INFO] [stderr] 77 | writeln!(Writer, "{:#?}", stack_frame); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/interrupts.rs:84:5 [INFO] [stderr] | [INFO] [stderr] 84 | writeln!(Writer, "\n\nEXCEPTION: DOUBLE FAULT"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/interrupts.rs:85:5 [INFO] [stderr] | [INFO] [stderr] 85 | writeln!(Writer, "{:#?}", stack_frame); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/interrupts.rs:86:5 [INFO] [stderr] | [INFO] [stderr] 86 | writeln!(Writer, "ERROR_CODE: {:#x}", error_code); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/interrupts.rs:93:5 [INFO] [stderr] | [INFO] [stderr] 93 | write!(Writer, "."); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/interrupts.rs:115:13 [INFO] [stderr] | [INFO] [stderr] 115 | / match key { [INFO] [stderr] 116 | | DecodedKey::Unicode(character) => write!(Writer, "{}", character), [INFO] [stderr] 117 | | DecodedKey::RawKey(key) => write!(Writer, "{:?}", key), [INFO] [stderr] 118 | | }; [INFO] [stderr] | |______________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: variable `port3D4` should have a snake case name [INFO] [stderr] --> src/vga_buffer/mod.rs:111:17 [INFO] [stderr] | [INFO] [stderr] 111 | let mut port3D4 = Port::new(0x3D4); [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `port3_d4` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable `port3D5` should have a snake case name [INFO] [stderr] --> src/vga_buffer/mod.rs:112:17 [INFO] [stderr] | [INFO] [stderr] 112 | let mut port3D5 = Port::new(0x3D5); [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `port3_d5` [INFO] [stderr] [INFO] [stderr] error[E0277]: the trait bound `x86_64::registers::model_specific::Efer: core::fmt::LowerHex` is not satisfied [INFO] [stderr] --> src/main.rs:30:50 [INFO] [stderr] | [INFO] [stderr] 30 | writeln!(Writer, "These are my flags: {:x}", msr); [INFO] [stderr] | ^^^ the trait `core::fmt::LowerHex` is not implemented for `x86_64::registers::model_specific::Efer` [INFO] [stderr] | [INFO] [stderr] = note: required by `core::fmt::LowerHex::fmt` [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0277`. [INFO] [stderr] error: Could not compile `toy_os`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0277]: the trait bound `x86_64::registers::model_specific::Efer: core::fmt::LowerHex` is not satisfied [INFO] [stderr] --> src/main.rs:30:50 [INFO] [stderr] | [INFO] [stderr] 30 | writeln!(Writer, "These are my flags: {:x}", msr); [INFO] [stderr] | ^^^ the trait `core::fmt::LowerHex` is not implemented for `x86_64::registers::model_specific::Efer` [INFO] [stderr] | [INFO] [stderr] = note: required by `core::fmt::LowerHex::fmt` [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0277`. [INFO] [stderr] error: Could not compile `toy_os`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "25a14181ff71311d7761e75451897de5d3ee84180de8b83bf1153d4ca6c06762"` [INFO] running `"docker" "rm" "-f" "25a14181ff71311d7761e75451897de5d3ee84180de8b83bf1153d4ca6c06762"` [INFO] [stdout] 25a14181ff71311d7761e75451897de5d3ee84180de8b83bf1153d4ca6c06762