[INFO] fetching crate x64 0.16.2...
[INFO] testing x64-0.16.2 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate x64 0.16.2 into /workspace/builds/worker-6-tc2/source
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate x64 0.16.2
[INFO] finished tweaking crates.io crate x64 0.16.2
[INFO] tweaked toml for crates.io crate x64 0.16.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate x64 0.16.2 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate x64 0.16.2 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" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b36f3aa957e6160f8b6722ea986d962eebdfeedb8cda816edf6ca308b12604fa
[INFO] running `Command { std: "docker" "start" "-a" "b36f3aa957e6160f8b6722ea986d962eebdfeedb8cda816edf6ca308b12604fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b36f3aa957e6160f8b6722ea986d962eebdfeedb8cda816edf6ca308b12604fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b36f3aa957e6160f8b6722ea986d962eebdfeedb8cda816edf6ca308b12604fa", kill_on_drop: false }`
[INFO] [stdout] b36f3aa957e6160f8b6722ea986d962eebdfeedb8cda816edf6ca308b12604fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 495359773ce0b3e29b68e5d6c3d38a579f4a02fc0b713493ded71ec54c611238
[INFO] running `Command { std: "docker" "start" "-a" "495359773ce0b3e29b68e5d6c3d38a579f4a02fc0b713493ded71ec54c611238", kill_on_drop: false }`
[INFO] [stderr]    Compiling const_fn v0.4.11
[INFO] [stderr]    Compiling volatile v0.4.6
[INFO] [stderr]    Compiling x64 v0.16.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.83s
[INFO] running `Command { std: "docker" "inspect" "495359773ce0b3e29b68e5d6c3d38a579f4a02fc0b713493ded71ec54c611238", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "495359773ce0b3e29b68e5d6c3d38a579f4a02fc0b713493ded71ec54c611238", kill_on_drop: false }`
[INFO] [stdout] 495359773ce0b3e29b68e5d6c3d38a579f4a02fc0b713493ded71ec54c611238
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7a994a00f707261a6dca786464253c4559bbf51588be3a9816e0bf81f2b3c16
[INFO] running `Command { std: "docker" "start" "-a" "f7a994a00f707261a6dca786464253c4559bbf51588be3a9816e0bf81f2b3c16", kill_on_drop: false }`
[INFO] [stderr]    Compiling x64 v0.16.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.89s
[INFO] running `Command { std: "docker" "inspect" "f7a994a00f707261a6dca786464253c4559bbf51588be3a9816e0bf81f2b3c16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7a994a00f707261a6dca786464253c4559bbf51588be3a9816e0bf81f2b3c16", kill_on_drop: false }`
[INFO] [stdout] f7a994a00f707261a6dca786464253c4559bbf51588be3a9816e0bf81f2b3c16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a02bdef7ab704ac7ec20a9f2aed25d464d40b31983cb988d6cb2954b8acfb023
[INFO] running `Command { std: "docker" "start" "-a" "a02bdef7ab704ac7ec20a9f2aed25d464d40b31983cb988d6cb2954b8acfb023", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/x64-029f03db1becd5a6)
[INFO] [stdout] 
[INFO] [stdout] running 40 tests
[INFO] [stdout] test addr::tests::test_from_ptr_array ... ok
[INFO] [stdout] test addr::tests::test_align_up ... ok
[INFO] [stdout] test addr::tests::test_virt_addr_align_down ... ok
[INFO] [stdout] test addr::tests::virtaddr_new_truncate ... ok
[INFO] [stdout] test addr::tests::test_virt_addr_align_up ... ok
[INFO] [stdout] test addr::tests::virtaddr_step_backward ... ok
[INFO] [stdout] test addr::tests::virtaddr_step_forward ... ok
[INFO] [stdout] test addr::tests::virtaddr_steps_between ... ok
[INFO] [stdout] test instructions::random::tests::test_rdrand ... ok
[INFO] [stdout] test registers::mxcsr::x86_64::test::mxcsr_default ... ok
[INFO] [stdout] test registers::mxcsr::x86_64::test::mxcsr_write ... ok
[INFO] [stdout] test registers::mxcsr::x86_64::test::mxcsr_read ... ok
[INFO] [stdout] test structures::gdt::tests::descriptor_dpl ... ok
[INFO] [stdout] test structures::gdt::tests::from_entries ... ok
[INFO] [stdout] test structures::gdt::tests::linux_kernel_defaults ... ok
[INFO] [stdout] test structures::gdt::tests::push_max_segments ... ok
[INFO] [stdout] test structures::idt::test::default_handlers ... ok
[INFO] [stdout] test structures::idt::test::entry_derive_test ... ok
[INFO] [stdout] test structures::idt::test::isr_frame_manipulation ... ok
[INFO] [stdout] test structures::paging::frame::tests::test_frame_range_len ... ok
[INFO] [stdout] test structures::paging::page::tests::page_step_backwards ... ok
[INFO] [stdout] test structures::idt::test::size_test ... ok
[INFO] [stdout] test structures::paging::page::tests::page_steps_between ... ok
[INFO] [stdout] test structures::paging::page::tests::test_page_is_hash ... ok
[INFO] [stdout] test structures::paging::page::tests::page_step_forward ... ok
[INFO] [stdout] test structures::tss::tests::check_tss_size ... ok
[INFO] [stdout] test structures::paging::page::tests::test_page_range_len ... ok
[INFO] [stdout] test registers::rflags::x86_64::test::rflags_read ... ok
[INFO] [stdout] test structures::paging::page::tests::test_page_range_inclusive_overflow ... ok
[INFO] [stdout] test structures::idt::test::idt_fmt_debug ... ok
[INFO] [stdout] test structures::paging::page::tests::test_page_ranges ... ok
[INFO] [stdout] test structures::tests::check_descriptor_pointer_size ... ok
[INFO] [stdout] test addr::tests::add_overflow_virtaddr - should panic ... ok
[INFO] [stdout] test addr::tests::sub_underflow_virtaddr - should panic ... ok
[INFO] [stdout] test addr::tests::add_overflow_physaddr - should panic ... ok
[INFO] [stdout] test addr::tests::test_phys_addr_align_up_overflow - should panic ... ok
[INFO] [stdout] test addr::tests::sub_overflow_physaddr - should panic ... ok
[INFO] [stdout] test addr::tests::test_virt_addr_align_up_overflow - should panic ... ok
[INFO] [stdout] test structures::gdt::tests::panic_user_segment - should panic ... ok
[INFO] [stdout] test structures::gdt::tests::panic_system_segment - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 40 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests x64
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/instructions/interrupts.rs - instructions::interrupts::enable_and_hlt (line 93) ... ignored
[INFO] [stdout] test src/instructions/interrupts.rs - instructions::interrupts::without_interrupts (line 46) ... ignored
[INFO] [stdout] test src/lib.rs - (line 23) ... ignored
[INFO] [stdout] test src/structures/paging/mapper/mod.rs - structures::paging::mapper::Mapper::map_to (line 158) ... FAILED
[INFO] [stdout] test src/structures/idt.rs - structures::idt::set_general_handler (line 1422) ... FAILED
[INFO] [stdout] test src/structures/paging/mapper/mod.rs - structures::paging::mapper::Mapper::map_to_with_table_flags (line 247) ... FAILED
[INFO] [stdout] test src/structures/gdt.rs - structures::gdt::GlobalDescriptorTable (line 96) ... FAILED
[INFO] [stdout] test src/structures/paging/mapper/mod.rs - structures::paging::mapper::CleanUp::clean_up_addr_range (line 516) ... FAILED
[INFO] [stdout] test src/instructions/tlb.rs - instructions::tlb::Invlpgb (line 129) - compile ... FAILED
[INFO] [stdout] test src/structures/gdt.rs - structures::gdt::Descriptor::tss_segment_with_iomap (line 450) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/structures/paging/mapper/mod.rs - structures::paging::mapper::Mapper::map_to (line 158) stdout ----
[INFO] [stdout] error[E0433]: cannot find module or crate `x86_64` in this scope
[INFO] [stdout]    --> src/structures/paging/mapper/mod.rs:160:5
[INFO] [stdout]     |
[INFO] [stdout] 160 | use x86_64::structures::paging::{
[INFO] [stdout]     |     ^^^^^^ use of unresolved module or unlinked crate `x86_64`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `x86_64`, use `cargo add x86_64` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/structures/idt.rs - structures::idt::set_general_handler (line 1422) stdout ----
[INFO] [stdout] error[E0433]: cannot find module or crate `x86_64` in this scope
[INFO] [stdout]     --> src/structures/idt.rs:1426:5
[INFO] [stdout]      |
[INFO] [stdout] 1426 | use x86_64::structures::idt::{InterruptDescriptorTable, InterruptStackFrame};
[INFO] [stdout]      |     ^^^^^^ use of unresolved module or unlinked crate `x86_64`
[INFO] [stdout]      |
[INFO] [stdout]      = help: if you wanted to use a crate named `x86_64`, use `cargo add x86_64` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `x86_64`
[INFO] [stdout]     --> src/structures/idt.rs:1425:5
[INFO] [stdout]      |
[INFO] [stdout] 1425 | use x86_64::set_general_handler;
[INFO] [stdout]      |     ^^^^^^ use of unresolved module or unlinked crate `x86_64`
[INFO] [stdout]      |
[INFO] [stdout]      = help: if you wanted to use a crate named `x86_64`, use `cargo add x86_64` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/structures/paging/mapper/mod.rs - structures::paging::mapper::Mapper::map_to_with_table_flags (line 247) stdout ----
[INFO] [stdout] error[E0433]: cannot find module or crate `x86_64` in this scope
[INFO] [stdout]    --> src/structures/paging/mapper/mod.rs:249:5
[INFO] [stdout]     |
[INFO] [stdout] 249 | use x86_64::structures::paging::{
[INFO] [stdout]     |     ^^^^^^ use of unresolved module or unlinked crate `x86_64`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `x86_64`, use `cargo add x86_64` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/structures/gdt.rs - structures::gdt::GlobalDescriptorTable (line 96) stdout ----
[INFO] [stdout] error[E0433]: cannot find module or crate `x86_64` in this scope
[INFO] [stdout]   --> src/structures/gdt.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 | use x86_64::structures::gdt::{GlobalDescriptorTable, Descriptor};
[INFO] [stdout]    |     ^^^^^^ use of unresolved module or unlinked crate `x86_64`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `x86_64`, use `cargo add x86_64` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/structures/paging/mapper/mod.rs - structures::paging::mapper::CleanUp::clean_up_addr_range (line 516) stdout ----
[INFO] [stdout] error[E0433]: cannot find module or crate `x86_64` in this scope
[INFO] [stdout]    --> src/structures/paging/mapper/mod.rs:518:5
[INFO] [stdout]     |
[INFO] [stdout] 518 | use x86_64::{VirtAddr, structures::paging::{
[INFO] [stdout]     |     ^^^^^^ use of unresolved module or unlinked crate `x86_64`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `x86_64`, use `cargo add x86_64` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `x86_64`
[INFO] [stdout]    --> src/structures/paging/mapper/mod.rs:518:5
[INFO] [stdout]     |
[INFO] [stdout] 518 | use x86_64::{VirtAddr, structures::paging::{
[INFO] [stdout]     |     ^^^^^^ use of unresolved module or unlinked crate `x86_64`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `x86_64`, use `cargo add x86_64` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/instructions/tlb.rs - instructions::tlb::Invlpgb (line 129) stdout ----
[INFO] [stdout] error[E0433]: cannot find module or crate `x86_64` in this scope
[INFO] [stdout]    --> src/instructions/tlb.rs:131:5
[INFO] [stdout]     |
[INFO] [stdout] 131 | use x86_64::structures::paging::Page;
[INFO] [stdout]     |     ^^^^^^ use of unresolved module or unlinked crate `x86_64`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `x86_64`, use `cargo add x86_64` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `x86_64` in this scope
[INFO] [stdout]    --> src/instructions/tlb.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 132 | use x86_64::instructions::tlb::Invlpgb;
[INFO] [stdout]     |     ^^^^^^ use of unresolved module or unlinked crate `x86_64`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `x86_64`, use `cargo add x86_64` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `x86_64`
[INFO] [stdout]    --> src/instructions/tlb.rs:130:5
[INFO] [stdout]     |
[INFO] [stdout] 130 | use x86_64::VirtAddr;
[INFO] [stdout]     |     ^^^^^^ use of unresolved module or unlinked crate `x86_64`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `x86_64`, use `cargo add x86_64` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/structures/gdt.rs - structures::gdt::Descriptor::tss_segment_with_iomap (line 450) stdout ----
[INFO] [stdout] error[E0433]: cannot find module or crate `x86_64` in this scope
[INFO] [stdout]    --> src/structures/gdt.rs:451:5
[INFO] [stdout]     |
[INFO] [stdout] 451 | use x86_64::structures::gdt::Descriptor;
[INFO] [stdout]     |     ^^^^^^ use of unresolved module or unlinked crate `x86_64`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `x86_64`, use `cargo add x86_64` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `x86_64` in this scope
[INFO] [stdout]    --> src/structures/gdt.rs:452:5
[INFO] [stdout]     |
[INFO] [stdout] 452 | use x86_64::structures::tss::TaskStateSegment;
[INFO] [stdout]     |     ^^^^^^ use of unresolved module or unlinked crate `x86_64`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `x86_64`, use `cargo add x86_64` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/instructions/tlb.rs - instructions::tlb::Invlpgb (line 129)
[INFO] [stdout]     src/structures/gdt.rs - structures::gdt::Descriptor::tss_segment_with_iomap (line 450)
[INFO] [stdout]     src/structures/gdt.rs - structures::gdt::GlobalDescriptorTable (line 96)
[INFO] [stdout]     src/structures/idt.rs - structures::idt::set_general_handler (line 1422)
[INFO] [stdout]     src/structures/paging/mapper/mod.rs - structures::paging::mapper::CleanUp::clean_up_addr_range (line 516)
[INFO] [stdout]     src/structures/paging/mapper/mod.rs - structures::paging::mapper::Mapper::map_to (line 158)
[INFO] [stdout]     src/structures/paging/mapper/mod.rs - structures::paging::mapper::Mapper::map_to_with_table_flags (line 247)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 7 failed; 3 ignored; 0 measured; 0 filtered out; finished in 0.29s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "a02bdef7ab704ac7ec20a9f2aed25d464d40b31983cb988d6cb2954b8acfb023", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a02bdef7ab704ac7ec20a9f2aed25d464d40b31983cb988d6cb2954b8acfb023", kill_on_drop: false }`
[INFO] [stdout] a02bdef7ab704ac7ec20a9f2aed25d464d40b31983cb988d6cb2954b8acfb023
