[INFO] fetching crate x86_64 0.15.4...
[INFO] testing x86_64-0.15.4 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate x86_64 0.15.4 into /workspace/builds/worker-2-tc2/source
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate x86_64 0.15.4
[INFO] finished tweaking crates.io crate x86_64 0.15.4
[INFO] tweaked toml for crates.io crate x86_64 0.15.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate x86_64 0.15.4 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 x86_64 0.15.4 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 69719e0a7186f4ae955cf4e3e32779807e51cef52730b53b0f0afe7db4d6b427
[INFO] running `Command { std: "docker" "start" "-a" "69719e0a7186f4ae955cf4e3e32779807e51cef52730b53b0f0afe7db4d6b427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69719e0a7186f4ae955cf4e3e32779807e51cef52730b53b0f0afe7db4d6b427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69719e0a7186f4ae955cf4e3e32779807e51cef52730b53b0f0afe7db4d6b427", kill_on_drop: false }`
[INFO] [stdout] 69719e0a7186f4ae955cf4e3e32779807e51cef52730b53b0f0afe7db4d6b427
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 071e40f53593d238630e277a4025774d897340ade692b1e08132c71c799d2910
[INFO] running `Command { std: "docker" "start" "-a" "071e40f53593d238630e277a4025774d897340ade692b1e08132c71c799d2910", kill_on_drop: false }`
[INFO] [stderr]    Compiling const_fn v0.4.11
[INFO] [stderr]    Compiling volatile v0.4.6
[INFO] [stderr]    Compiling bit_field v0.10.3
[INFO] [stderr]    Compiling x86_64 v0.15.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/instructions/random.rs:13:21
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let cpuid = unsafe { core::arch::x86_64::__cpuid(0x1) };
[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]   --> src/instructions/smap.rs:38:21
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let cpuid = unsafe { core::arch::x86_64::__cpuid(7) };
[INFO] [stdout]    |                     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/instructions/tlb.rs:163:21
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let cpuid = unsafe { core::arch::x86_64::__cpuid(0x8000_0008) };
[INFO] [stdout]     |                     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/instructions/tlb.rs:172:21
[INFO] [stdout]     |
[INFO] [stdout] 172 |         let cpuid = unsafe { core::arch::x86_64::__cpuid(0x8000_000a) };
[INFO] [stdout]     |                     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.86s
[INFO] running `Command { std: "docker" "inspect" "071e40f53593d238630e277a4025774d897340ade692b1e08132c71c799d2910", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "071e40f53593d238630e277a4025774d897340ade692b1e08132c71c799d2910", kill_on_drop: false }`
[INFO] [stdout] 071e40f53593d238630e277a4025774d897340ade692b1e08132c71c799d2910
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a282c92f2ef4a1afc3db1ca73904dc1e5b090e10618b09b7f21e06c2db60df8f
[INFO] running `Command { std: "docker" "start" "-a" "a282c92f2ef4a1afc3db1ca73904dc1e5b090e10618b09b7f21e06c2db60df8f", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/instructions/random.rs:13:21
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let cpuid = unsafe { core::arch::x86_64::__cpuid(0x1) };
[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]   --> src/instructions/smap.rs:38:21
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let cpuid = unsafe { core::arch::x86_64::__cpuid(7) };
[INFO] [stdout]    |                     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/instructions/tlb.rs:163:21
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let cpuid = unsafe { core::arch::x86_64::__cpuid(0x8000_0008) };
[INFO] [stdout]     |                     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/instructions/tlb.rs:172:21
[INFO] [stdout]     |
[INFO] [stdout] 172 |         let cpuid = unsafe { core::arch::x86_64::__cpuid(0x8000_000a) };
[INFO] [stdout]     |                     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling x86_64 v0.15.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/instructions/random.rs:13:21
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let cpuid = unsafe { core::arch::x86_64::__cpuid(0x1) };
[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]   --> src/instructions/smap.rs:38:21
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let cpuid = unsafe { core::arch::x86_64::__cpuid(7) };
[INFO] [stdout]    |                     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/instructions/tlb.rs:163:21
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let cpuid = unsafe { core::arch::x86_64::__cpuid(0x8000_0008) };
[INFO] [stdout]     |                     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/instructions/tlb.rs:172:21
[INFO] [stdout]     |
[INFO] [stdout] 172 |         let cpuid = unsafe { core::arch::x86_64::__cpuid(0x8000_000a) };
[INFO] [stdout]     |                     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.84s
[INFO] running `Command { std: "docker" "inspect" "a282c92f2ef4a1afc3db1ca73904dc1e5b090e10618b09b7f21e06c2db60df8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a282c92f2ef4a1afc3db1ca73904dc1e5b090e10618b09b7f21e06c2db60df8f", kill_on_drop: false }`
[INFO] [stdout] a282c92f2ef4a1afc3db1ca73904dc1e5b090e10618b09b7f21e06c2db60df8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7c9e6c56aebd500781053a0e61a00c6009b6c241f275723bdf323f13a718e7ea
[INFO] running `Command { std: "docker" "start" "-a" "7c9e6c56aebd500781053a0e61a00c6009b6c241f275723bdf323f13a718e7ea", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stderr]   --> src/instructions/random.rs:13:21
[INFO] [stdout] running 40 tests
[INFO] [stderr]    |
[INFO] [stderr] 13 |         let cpuid = unsafe { core::arch::x86_64::__cpuid(0x1) };
[INFO] [stderr]    |                     ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/instructions/smap.rs:38:21
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let cpuid = unsafe { core::arch::x86_64::__cpuid(7) };
[INFO] [stderr]    |                     ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/instructions/tlb.rs:163:21
[INFO] [stderr]     |
[INFO] [stderr] 163 |         let cpuid = unsafe { core::arch::x86_64::__cpuid(0x8000_0008) };
[INFO] [stderr]     |                     ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/instructions/tlb.rs:172:21
[INFO] [stderr]     |
[INFO] [stderr] 172 |         let cpuid = unsafe { core::arch::x86_64::__cpuid(0x8000_000a) };
[INFO] [stderr]     |                     ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: `x86_64` (lib) generated 4 warnings
[INFO] [stderr] warning: `x86_64` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/x86_64-8de4e19887bef5a4)
[INFO] [stdout] test addr::tests::test_align_up ... ok
[INFO] [stdout] test addr::tests::test_from_ptr_array ... ok
[INFO] [stdout] test addr::tests::test_virt_addr_align_down ... ok
[INFO] [stdout] test addr::tests::test_virt_addr_align_up ... ok
[INFO] [stdout] test addr::tests::virtaddr_new_truncate ... ok
[INFO] [stdout] test addr::tests::virtaddr_step_backward ... ok
[INFO] [stdout] test addr::tests::virtaddr_step_forward ... ok
[INFO] [stdout] test instructions::random::tests::test_rdrand ... ok
[INFO] [stdout] test addr::tests::virtaddr_steps_between ... ok
[INFO] [stdout] test registers::mxcsr::x86_64::test::mxcsr_default ... ok
[INFO] [stdout] test registers::mxcsr::x86_64::test::mxcsr_read ... ok
[INFO] [stdout] test registers::mxcsr::x86_64::test::mxcsr_write ... ok
[INFO] [stdout] test registers::rflags::x86_64::test::rflags_read ... ok
[INFO] [stdout] test structures::gdt::tests::linux_kernel_defaults ... ok
[INFO] [stdout] test structures::idt::test::default_handlers ... ok
[INFO] [stdout] test structures::gdt::tests::descriptor_dpl ... ok
[INFO] [stdout] test structures::gdt::tests::push_max_segments ... ok
[INFO] [stdout] test structures::paging::frame::tests::test_frame_range_len ... ok
[INFO] [stdout] test structures::paging::page::tests::page_step_forward ... ok
[INFO] [stdout] test structures::idt::test::size_test ... ok
[INFO] [stdout] test structures::paging::page::tests::test_page_is_hash ... ok
[INFO] [stdout] test structures::idt::test::isr_frame_manipulation ... ok
[INFO] [stdout] test structures::paging::page::tests::page_steps_between ... ok
[INFO] [stdout] test structures::paging::page::tests::page_step_backwards ... ok
[INFO] [stdout] test structures::idt::test::entry_derive_test ... ok
[INFO] [stdout] test structures::paging::page::tests::test_page_range_len ... ok
[INFO] [stdout] test structures::tests::check_descriptor_pointer_size ... ok
[INFO] [stdout] test structures::paging::page::tests::test_page_range_inclusive_overflow ... ok
[INFO] [stdout] test structures::tss::tests::check_tss_size ... ok
[INFO] [stdout] test structures::paging::page::tests::test_page_ranges ... ok
[INFO] [stdout] test structures::idt::test::idt_fmt_debug ... ok
[INFO] [stdout] test structures::gdt::tests::from_entries ... ok
[INFO] [stdout] test addr::tests::add_overflow_virtaddr - should panic ... ok
[INFO] [stdout] test addr::tests::sub_overflow_physaddr - should panic ... ok
[INFO] [stdout] test addr::tests::add_overflow_physaddr - should panic ... ok
[INFO] [stdout] test addr::tests::sub_underflow_virtaddr - should panic ... ok
[INFO] [stdout] test addr::tests::test_virt_addr_align_up_overflow - should panic ... ok
[INFO] [stdout] test addr::tests::test_phys_addr_align_up_overflow - should panic ... ok
[INFO] [stdout] test structures::gdt::tests::panic_system_segment - should panic ... ok
[INFO] [stdout] test structures::gdt::tests::panic_user_segment - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 40 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests x86_64
[INFO] [stdout] 
[INFO] [stdout] running 9 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/instructions/tlb.rs - instructions::tlb::Invlpgb (line 129) - compile ... ok
[INFO] [stdout] test src/structures/paging/mapper/mod.rs - structures::paging::mapper::CleanUp::clean_up_addr_range (line 514) ... ok
[INFO] [stdout] test src/structures/paging/mapper/mod.rs - structures::paging::mapper::Mapper::map_to_with_table_flags (line 245) ... ok
[INFO] [stdout] test src/structures/gdt.rs - structures::gdt::Descriptor::tss_segment_with_iomap (line 450) ... ok
[INFO] [stdout] test src/structures/paging/mapper/mod.rs - structures::paging::mapper::Mapper::map_to (line 156) ... ok
[INFO] [stdout] test src/structures/gdt.rs - structures::gdt::GlobalDescriptorTable (line 96) ... ok
[INFO] [stdout] test src/structures/idt.rs - structures::idt::set_general_handler (line 1422) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 1.97s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7c9e6c56aebd500781053a0e61a00c6009b6c241f275723bdf323f13a718e7ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c9e6c56aebd500781053a0e61a00c6009b6c241f275723bdf323f13a718e7ea", kill_on_drop: false }`
[INFO] [stdout] 7c9e6c56aebd500781053a0e61a00c6009b6c241f275723bdf323f13a718e7ea
