[INFO] updating cached repository https://github.com/imondrag/toy_os [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 08d34b5ca9700f2d708a7498175e7f1609391cff [INFO] checking imondrag/toy_os against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimondrag%2Ftoy_os" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/imondrag/toy_os on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/imondrag/toy_os [INFO] finished tweaking git repo https://github.com/imondrag/toy_os [INFO] tweaked toml for git repo https://github.com/imondrag/toy_os written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/imondrag/toy_os already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ac9b85169e6aa70eb4c42fc10622ceb5d2200de00d1be613d84b67ed2efa3628 [INFO] running `"docker" "start" "-a" "ac9b85169e6aa70eb4c42fc10622ceb5d2200de00d1be613d84b67ed2efa3628"` [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling remove_dir_all v0.5.1 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking cpuio v0.2.0 [INFO] [stderr] Checking pc-keyboard v0.3.1 [INFO] [stderr] Checking volatile v0.2.5 [INFO] [stderr] Checking x86_64 v0.2.14 [INFO] [stderr] Checking array-init v0.0.4 [INFO] [stderr] Checking pic8259_simple v0.1.1 [INFO] [stderr] Compiling libc v0.2.45 [INFO] [stderr] Compiling getopts v0.2.18 [INFO] [stderr] Checking x86_64 v0.3.4 [INFO] [stderr] Compiling pulldown-cmark v0.0.3 [INFO] [stderr] Compiling rand v0.4.3 [INFO] [stderr] Checking uart_16550 v0.1.0 [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/rustwide/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: if this is intentional, prefix it 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:90:27 [INFO] [stderr] | [INFO] [stderr] 90 | extern "x86-interrupt" fn timer_interrupt_handler( [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 warning originates in a macro (in Nightly builds, run with -Z 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 warning originates in a macro (in Nightly builds, run with -Z 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 warning originates in a macro (in Nightly builds, run with -Z 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 warning originates in a macro (in Nightly builds, run with -Z 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 warning originates in a macro (in Nightly builds, run with -Z 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 warning originates in a macro (in Nightly builds, run with -Z 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: 12 warnings emitted [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: if this is intentional, prefix it 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:90:27 [INFO] [stderr] | [INFO] [stderr] 90 | extern "x86-interrupt" fn timer_interrupt_handler( [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 warning originates in a macro (in Nightly builds, run with -Z 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 warning originates in a macro (in Nightly builds, run with -Z 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 warning originates in a macro (in Nightly builds, run with -Z 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 warning originates in a macro (in Nightly builds, run with -Z 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 warning originates in a macro (in Nightly builds, run with -Z 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 warning originates in a macro (in Nightly builds, run with -Z 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: if this is intentional, prefix it with an underscore: `_stack_frame` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 12 warnings emitted [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:90:27 [INFO] [stderr] | [INFO] [stderr] 90 | extern "x86-interrupt" fn timer_interrupt_handler( [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 warning originates in a macro (in Nightly builds, run with -Z 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 warning originates in a macro (in Nightly builds, run with -Z 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 warning originates in a macro (in Nightly builds, run with -Z 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 warning originates in a macro (in Nightly builds, run with -Z 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 warning originates in a macro (in Nightly builds, run with -Z 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 warning originates in a macro (in Nightly builds, run with -Z 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] warning: 12 warnings emitted [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] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [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] [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] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [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" "ac9b85169e6aa70eb4c42fc10622ceb5d2200de00d1be613d84b67ed2efa3628"` [INFO] running `"docker" "rm" "-f" "ac9b85169e6aa70eb4c42fc10622ceb5d2200de00d1be613d84b67ed2efa3628"` [INFO] [stdout] ac9b85169e6aa70eb4c42fc10622ceb5d2200de00d1be613d84b67ed2efa3628