[INFO] cloning repository https://github.com/tuttlem/substrate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tuttlem/substrate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuttlem%2Fsubstrate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuttlem%2Fsubstrate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f9f789816f2b971708d0a9f265ca8ede19aea0ca
[INFO] checking tuttlem/substrate against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuttlem%2Fsubstrate" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tuttlem/substrate
[INFO] finished tweaking git repo https://github.com/tuttlem/substrate
[INFO] tweaked toml for git repo https://github.com/tuttlem/substrate written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tuttlem/substrate on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tuttlem/substrate already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bootloader_api v0.11.15
[INFO] [stderr]   Downloaded x86_64 v0.15.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43376de80bc207ba5ed2226254b6c79ae6c55bdee9c870d2a0ae6f81d4e4da54
[INFO] running `Command { std: "docker" "start" "-a" "43376de80bc207ba5ed2226254b6c79ae6c55bdee9c870d2a0ae6f81d4e4da54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43376de80bc207ba5ed2226254b6c79ae6c55bdee9c870d2a0ae6f81d4e4da54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43376de80bc207ba5ed2226254b6c79ae6c55bdee9c870d2a0ae6f81d4e4da54", kill_on_drop: false }`
[INFO] [stdout] 43376de80bc207ba5ed2226254b6c79ae6c55bdee9c870d2a0ae6f81d4e4da54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 990a081bfba9b9fefe65d47f4249cc01a1e636cedd2a7ead0161cc9851bcc5f7
[INFO] running `Command { std: "docker" "start" "-a" "990a081bfba9b9fefe65d47f4249cc01a1e636cedd2a7ead0161cc9851bcc5f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling bootloader_api v0.11.15
[INFO] [stderr]    Compiling const_fn v0.4.11
[INFO] [stderr]     Checking volatile v0.4.6
[INFO] [stderr]     Checking bit_field v0.10.3
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]     Checking kernel_core v0.1.0 (/opt/rustwide/workdir/crates/kernel-core)
[INFO] [stderr]     Checking host_tests v0.1.0 (/opt/rustwide/workdir/crates/test-host)
[INFO] [stderr]     Checking x86_64 v0.15.4
[INFO] [stderr]     Checking arch_x86_64 v0.1.0 (/opt/rustwide/workdir/arch/x86_64)
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]  --> arch/x86_64/src/cpu.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let info = unsafe { core::arch::x86_64::__cpuid(1) };
[INFO] [stdout]   |                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> arch/x86_64/src/irq.rs:70:16
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let info = unsafe { core::arch::x86_64::__cpuid(1) };
[INFO] [stdout]    |                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> arch/x86_64/src/gdt.rs:81:30
[INFO] [stdout]    |
[INFO] [stdout] 81 |     let selectors = unsafe { SELECTORS.assume_init_ref() };
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> arch/x86_64/src/gdt.rs:86:30
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let selectors = unsafe { SELECTORS.assume_init_ref() };
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> arch/x86_64/src/gdt.rs:91:30
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let selectors = unsafe { SELECTORS.assume_init_ref() };
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]    --> arch/x86_64/src/gdt.rs:103:19
[INFO] [stdout]     |
[INFO] [stdout] 103 |         let tss = TSS.assume_init_mut();
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> arch/x86_64/src/mm.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         MEMORY.frame_alloc.init(regions);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]    --> arch/x86_64/src/mm.rs:113:14
[INFO] [stdout]     |
[INFO] [stdout] 113 |     unsafe { MEMORY.frame_alloc.alloc() }
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]    --> arch/x86_64/src/mm.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |         MEMORY.frame_alloc.free(pa & PAGE_MASK);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> arch/x86_64/src/mm.rs:792:9
[INFO] [stdout]     |
[INFO] [stdout] 792 |         MEMORY.frame_alloc.regions()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking hal v0.1.0 (/opt/rustwide/workdir/crates/hal)
[INFO] [stderr]     Checking kernel v0.1.0 (/opt/rustwide/workdir/kernel)
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]  --> arch/x86_64/src/cpu.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let info = unsafe { core::arch::x86_64::__cpuid(1) };
[INFO] [stdout]   |                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> arch/x86_64/src/irq.rs:70:16
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let info = unsafe { core::arch::x86_64::__cpuid(1) };
[INFO] [stdout]    |                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> arch/x86_64/src/gdt.rs:81:30
[INFO] [stdout]    |
[INFO] [stdout] 81 |     let selectors = unsafe { SELECTORS.assume_init_ref() };
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> arch/x86_64/src/gdt.rs:86:30
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let selectors = unsafe { SELECTORS.assume_init_ref() };
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> arch/x86_64/src/gdt.rs:91:30
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let selectors = unsafe { SELECTORS.assume_init_ref() };
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]    --> arch/x86_64/src/gdt.rs:103:19
[INFO] [stdout]     |
[INFO] [stdout] 103 |         let tss = TSS.assume_init_mut();
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> arch/x86_64/src/mm.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         MEMORY.frame_alloc.init(regions);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]    --> arch/x86_64/src/mm.rs:113:14
[INFO] [stdout]     |
[INFO] [stdout] 113 |     unsafe { MEMORY.frame_alloc.alloc() }
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]    --> arch/x86_64/src/mm.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |         MEMORY.frame_alloc.free(pa & PAGE_MASK);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> arch/x86_64/src/mm.rs:792:9
[INFO] [stdout]     |
[INFO] [stdout] 792 |         MEMORY.frame_alloc.regions()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]  --> arch/x86_64/src/cpu.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let info = unsafe { core::arch::x86_64::__cpuid(1) };
[INFO] [stdout]   |                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> arch/x86_64/src/irq.rs:70:16
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let info = unsafe { core::arch::x86_64::__cpuid(1) };
[INFO] [stdout]    |                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> arch/x86_64/src/gdt.rs:81:30
[INFO] [stdout]    |
[INFO] [stdout] 81 |     let selectors = unsafe { SELECTORS.assume_init_ref() };
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> arch/x86_64/src/gdt.rs:86:30
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let selectors = unsafe { SELECTORS.assume_init_ref() };
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> arch/x86_64/src/gdt.rs:91:30
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let selectors = unsafe { SELECTORS.assume_init_ref() };
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]    --> arch/x86_64/src/gdt.rs:103:19
[INFO] [stdout]     |
[INFO] [stdout] 103 |         let tss = TSS.assume_init_mut();
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> arch/x86_64/src/mm.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         MEMORY.frame_alloc.init(regions);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]    --> arch/x86_64/src/mm.rs:113:14
[INFO] [stdout]     |
[INFO] [stdout] 113 |     unsafe { MEMORY.frame_alloc.alloc() }
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]    --> arch/x86_64/src/mm.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |         MEMORY.frame_alloc.free(pa & PAGE_MASK);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> arch/x86_64/src/mm.rs:792:9
[INFO] [stdout]     |
[INFO] [stdout] 792 |         MEMORY.frame_alloc.regions()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> kernel/src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(alloc_error_handler)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]  --> kernel/src/proc_test.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |         return fail(&mut serial, "init", reason);
[INFO] [stdout]   |         ^^^^^^^---------------------------------
[INFO] [stdout]   |         |      |
[INFO] [stdout]   |         |      any code following this expression is unreachable
[INFO] [stdout]   |         unreachable expression
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> kernel/src/proc_test.rs:14:24
[INFO] [stdout]    |
[INFO] [stdout] 14 |         Err(reason) => return fail(&mut serial, "create p1", reason),
[INFO] [stdout]    |                        ^^^^^^^--------------------------------------
[INFO] [stdout]    |                        |      |
[INFO] [stdout]    |                        |      any code following this expression is unreachable
[INFO] [stdout]    |                        unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> kernel/src/proc_test.rs:18:24
[INFO] [stdout]    |
[INFO] [stdout] 18 |         Err(reason) => return fail(&mut serial, "create p2", reason),
[INFO] [stdout]    |                        ^^^^^^^--------------------------------------
[INFO] [stdout]    |                        |      |
[INFO] [stdout]    |                        |      any code following this expression is unreachable
[INFO] [stdout]    |                        unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> kernel/src/proc_test.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 |         Err(reason) => return fail(&mut serial, "run p1", reason),
[INFO] [stdout]    |                        ^^^^^^^-----------------------------------
[INFO] [stdout]    |                        |      |
[INFO] [stdout]    |                        |      any code following this expression is unreachable
[INFO] [stdout]    |                        unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> kernel/src/proc_test.rs:27:24
[INFO] [stdout]    |
[INFO] [stdout] 27 |         Err(reason) => return fail(&mut serial, "run p2", reason),
[INFO] [stdout]    |                        ^^^^^^^-----------------------------------
[INFO] [stdout]    |                        |      |
[INFO] [stdout]    |                        |      any code following this expression is unreachable
[INFO] [stdout]    |                        unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> kernel/src/proc_test.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         return fail(&mut serial, "exit", "status");
[INFO] [stdout]    |         ^^^^^^^-----------------------------------
[INFO] [stdout]    |         |      |
[INFO] [stdout]    |         |      any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> kernel/src/irq_test.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         return fail(&mut serial, reason);
[INFO] [stdout]    |         ^^^^^^^-------------------------
[INFO] [stdout]    |         |      |
[INFO] [stdout]    |         |      any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> kernel/src/irq_test.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         return fail(&mut serial, reason);
[INFO] [stdout]    |         ^^^^^^^-------------------------
[INFO] [stdout]    |         |      |
[INFO] [stdout]    |         |      any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> kernel/src/irq_test.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |             return fail(&mut serial, reason);
[INFO] [stdout]    |             ^^^^^^^-------------------------
[INFO] [stdout]    |             |      |
[INFO] [stdout]    |             |      any code following this expression is unreachable
[INFO] [stdout]    |             unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> kernel/src/irq_test.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |             return fail(&mut serial, reason);
[INFO] [stdout]    |             ^^^^^^^-------------------------
[INFO] [stdout]    |             |      |
[INFO] [stdout]    |             |      any code following this expression is unreachable
[INFO] [stdout]    |             unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> kernel/src/irq_test.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         return fail(&mut serial, reason);
[INFO] [stdout]    |         ^^^^^^^-------------------------
[INFO] [stdout]    |         |      |
[INFO] [stdout]    |         |      any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> kernel/src/keyboard_test.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         return fail(&mut serial, reason);
[INFO] [stdout]    |         ^^^^^^^-------------------------
[INFO] [stdout]    |         |      |
[INFO] [stdout]    |         |      any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> kernel/src/keyboard_test.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         return fail(&mut serial, reason);
[INFO] [stdout]    |         ^^^^^^^-------------------------
[INFO] [stdout]    |         |      |
[INFO] [stdout]    |         |      any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> kernel/src/keyboard_test.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |             return fail(&mut serial, reason);
[INFO] [stdout]    |             ^^^^^^^-------------------------
[INFO] [stdout]    |             |      |
[INFO] [stdout]    |             |      any code following this expression is unreachable
[INFO] [stdout]    |             unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> kernel/src/keyboard_test.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |             return fail(&mut serial, reason);
[INFO] [stdout]    |             ^^^^^^^-------------------------
[INFO] [stdout]    |             |      |
[INFO] [stdout]    |             |      any code following this expression is unreachable
[INFO] [stdout]    |             unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> kernel/src/keyboard_test.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         return fail(&mut serial, reason);
[INFO] [stdout]    |         ^^^^^^^-------------------------
[INFO] [stdout]    |         |      |
[INFO] [stdout]    |         |      any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> kernel/src/keyboard_test.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         return fail(&mut serial, reason);
[INFO] [stdout]    |         ^^^^^^^-------------------------
[INFO] [stdout]    |         |      |
[INFO] [stdout]    |         |      any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> kernel/src/blk_test.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         return fail(&mut serial, reason);
[INFO] [stdout]    |         ^^^^^^^-------------------------
[INFO] [stdout]    |         |      |
[INFO] [stdout]    |         |      any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> kernel/src/blk_test.rs:20:24
[INFO] [stdout]    |
[INFO] [stdout] 20 |         Err(reason) => return fail(&mut serial, reason),
[INFO] [stdout]    |                        ^^^^^^^-------------------------
[INFO] [stdout]    |                        |      |
[INFO] [stdout]    |                        |      any code following this expression is unreachable
[INFO] [stdout]    |                        unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> kernel/src/blk_test.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         return fail(&mut serial, "irq line");
[INFO] [stdout]    |         ^^^^^^^-----------------------------
[INFO] [stdout]    |         |      |
[INFO] [stdout]    |         |      any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> kernel/src/blk_test.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         return fail(&mut serial, reason);
[INFO] [stdout]    |         ^^^^^^^-------------------------
[INFO] [stdout]    |         |      |
[INFO] [stdout]    |         |      any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> kernel/src/blk_test.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |             return fail(&mut serial, reason);
[INFO] [stdout]    |             ^^^^^^^-------------------------
[INFO] [stdout]    |             |      |
[INFO] [stdout]    |             |      any code following this expression is unreachable
[INFO] [stdout]    |             unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> kernel/src/blk_test.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |             return fail(&mut serial, reason);
[INFO] [stdout]    |             ^^^^^^^-------------------------
[INFO] [stdout]    |             |      |
[INFO] [stdout]    |             |      any code following this expression is unreachable
[INFO] [stdout]    |             unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> kernel/src/blk_test.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         return fail(&mut serial, reason);
[INFO] [stdout]    |         ^^^^^^^-------------------------
[INFO] [stdout]    |         |      |
[INFO] [stdout]    |         |      any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> kernel/src/blk_test.rs:49:24
[INFO] [stdout]    |
[INFO] [stdout] 49 |         Err(reason) => return fail(&mut serial, reason),
[INFO] [stdout]    |                        ^^^^^^^-------------------------
[INFO] [stdout]    |                        |      |
[INFO] [stdout]    |                        |      any code following this expression is unreachable
[INFO] [stdout]    |                        unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `wake_pid` is never read
[INFO] [stdout]     --> kernel/src/net.rs:1302:24
[INFO] [stdout]      |
[INFO] [stdout] 1302 |     let mut wake_pid = 0u64;
[INFO] [stdout]      |                        ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> kernel/src/virtio_net.rs:297:5
[INFO] [stdout]     |
[INFO] [stdout] 297 |     unsafe {
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req_phys`
[INFO] [stdout]    --> kernel/src/virtio_blk.rs:128:10
[INFO] [stdout]     |
[INFO] [stdout] 128 |     let (req_phys, req) = dma_page()?;
[INFO] [stdout]     |          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_req_phys`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data_phys`
[INFO] [stdout]    --> kernel/src/virtio_blk.rs:129:10
[INFO] [stdout]     |
[INFO] [stdout] 129 |     let (data_phys, data) = dma_page()?;
[INFO] [stdout]     |          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_phys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> kernel/src/virtio_blk.rs:327:5
[INFO] [stdout]     |
[INFO] [stdout] 327 |     unsafe {
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> kernel/src/virtio_console.rs:290:5
[INFO] [stdout]     |
[INFO] [stdout] 290 |     unsafe {
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> kernel/src/main.rs:186:9
[INFO] [stdout]     |
[INFO] [stdout] 186 |     let mut proc = match process::proc_create(init_payload::INIT_PAYLOAD) {
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kernel` (bin "kernel") due to 1 previous error; 32 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "990a081bfba9b9fefe65d47f4249cc01a1e636cedd2a7ead0161cc9851bcc5f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "990a081bfba9b9fefe65d47f4249cc01a1e636cedd2a7ead0161cc9851bcc5f7", kill_on_drop: false }`
[INFO] [stdout] 990a081bfba9b9fefe65d47f4249cc01a1e636cedd2a7ead0161cc9851bcc5f7
