[INFO] fetching crate libhermit-rs 0.6.3...
[INFO] checking libhermit-rs-0.6.3 against master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682
[INFO] extracting crate libhermit-rs 0.6.3 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate libhermit-rs 0.6.3 on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate libhermit-rs 0.6.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate libhermit-rs 0.6.3
[INFO] tweaked toml for crates.io crate libhermit-rs 0.6.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded exclusive_cell v0.1.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e85ae69436761effcdcea4e029d077691ae519ddb3ffe9a1fcaa06b972e8913
[INFO] running `Command { std: "docker" "start" "-a" "0e85ae69436761effcdcea4e029d077691ae519ddb3ffe9a1fcaa06b972e8913", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e85ae69436761effcdcea4e029d077691ae519ddb3ffe9a1fcaa06b972e8913", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "7c78577816c187c3085ab3344056d2f7bde7b0043783ecebb99ab98372cb4726", kill_on_drop: false }`
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[INFO] [stderr]     Checking libhermit-rs v0.6.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library
[INFO] [stdout]   --> src/lib.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![feature(core_intrinsics)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using it is strongly discouraged
[INFO] [stdout]    = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `alloc::alloc::Layout`
[INFO] [stdout]   --> src/lib.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | use alloc::alloc::Layout;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::alloc::GlobalAlloc`
[INFO] [stdout]   --> src/lib.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | use core::alloc::GlobalAlloc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mm::allocator::LockedAllocator`
[INFO] [stdout]   --> src/lib.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | use mm::allocator::LockedAllocator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::kernel::is_uhyve_with_pci`
[INFO] [stdout]   --> src/lib.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 | use crate::kernel::is_uhyve_with_pci;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Cr0`, `cr0_write`, `cr0`, `cr4`
[INFO] [stdout]  --> src/arch/x86_64/kernel/mod.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 | use x86::controlregs::{cr0, cr0_write, cr4, Cr0};
[INFO] [stdout]   |                        ^^^  ^^^^^^^^^  ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `is_uhyve`
[INFO] [stdout]   --> src/arch/x86_64/kernel/mod.rs:12:24
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::env::{self, is_uhyve};
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::ptr`
[INFO] [stdout]  --> src/arch/x86_64/kernel/apic.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use core::ptr;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::arch::asm`
[INFO] [stdout]  --> src/arch/x86_64/kernel/scheduler.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::arch::asm;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::paging::init_page_tables`
[INFO] [stdout]  --> src/arch/x86_64/mm/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use self::paging::init_page_tables;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `message_output_init`
[INFO] [stdout]   --> src/arch/mod.rs:60:23
[INFO] [stdout]    |
[INFO] [stdout] 60 |     get_processor_count, message_output_init, output_message_buf,
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `get_ram_address`
[INFO] [stdout]   --> src/env.rs:14:62
[INFO] [stdout]    |
[INFO] [stdout] 14 |     get_base_address, get_cmdline, get_cmdsize, get_image_size, get_ram_address, get_tls_align,
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::mem`
[INFO] [stdout]  --> src/mm/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::mem;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::arch::mm::paging::HugePageSize`
[INFO] [stdout]   --> src/mm/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::arch::mm::paging::HugePageSize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LargePageSize`
[INFO] [stdout]   --> src/mm/mod.rs:16:45
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::arch::mm::paging::{BasePageSize, LargePageSize, PageSize, PageTableEntryFlags};
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::arch::mm::physicalmem::total_memory_size`
[INFO] [stdout]   --> src/mm/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::arch::mm::physicalmem::total_memory_size;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]    --> src/syscalls/fs.rs:170:7
[INFO] [stdout]     |
[INFO] [stdout] 170 |         use alloc::string::ToString;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    --> /rustc/4d1bd0db7f489b22c6d8aa2385937a95412c015b/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Layout`, `alloc`
[INFO] [stdout]  --> src/syscalls/interfaces/uhyve.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use alloc::alloc::{alloc, Layout};
[INFO] [stdout]   |                    ^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `alloc::boxed::Box`
[INFO] [stdout]  --> src/syscalls/interfaces/uhyve.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use alloc::boxed::Box;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `alloc::vec::Vec`
[INFO] [stdout]  --> src/syscalls/interfaces/uhyve.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use alloc::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::mem`
[INFO] [stdout]  --> src/syscalls/interfaces/uhyve.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::mem;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library
[INFO] [stdout]   --> src/lib.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![feature(core_intrinsics)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using it is strongly discouraged
[INFO] [stdout]    = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `alloc::alloc::Layout`
[INFO] [stdout]   --> src/lib.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | use alloc::alloc::Layout;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::alloc::GlobalAlloc`
[INFO] [stdout]   --> src/lib.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | use core::alloc::GlobalAlloc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mm::allocator::LockedAllocator`
[INFO] [stdout]   --> src/lib.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | use mm::allocator::LockedAllocator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::kernel::is_uhyve_with_pci`
[INFO] [stdout]   --> src/lib.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 | use crate::kernel::is_uhyve_with_pci;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Cr0`, `cr0_write`, `cr0`, `cr4`
[INFO] [stdout]  --> src/arch/x86_64/kernel/mod.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 | use x86::controlregs::{cr0, cr0_write, cr4, Cr0};
[INFO] [stdout]   |                        ^^^  ^^^^^^^^^  ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `is_uhyve`
[INFO] [stdout]   --> src/arch/x86_64/kernel/mod.rs:12:24
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::env::{self, is_uhyve};
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::ptr`
[INFO] [stdout]  --> src/arch/x86_64/kernel/apic.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use core::ptr;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::arch::asm`
[INFO] [stdout]  --> src/arch/x86_64/kernel/scheduler.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::arch::asm;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::paging::init_page_tables`
[INFO] [stdout]  --> src/arch/x86_64/mm/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use self::paging::init_page_tables;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `message_output_init`
[INFO] [stdout]   --> src/arch/mod.rs:60:23
[INFO] [stdout]    |
[INFO] [stdout] 60 |     get_processor_count, message_output_init, output_message_buf,
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/console.rs:35:6
[INFO] [stdout]    |
[INFO] [stdout] 35 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `get_ram_address`
[INFO] [stdout]   --> src/env.rs:14:62
[INFO] [stdout]    |
[INFO] [stdout] 14 |     get_base_address, get_cmdline, get_cmdsize, get_image_size, get_ram_address, get_tls_align,
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::mem`
[INFO] [stdout]  --> src/mm/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::mem;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::arch::mm::paging::HugePageSize`
[INFO] [stdout]   --> src/mm/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::arch::mm::paging::HugePageSize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LargePageSize`
[INFO] [stdout]   --> src/mm/mod.rs:16:45
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::arch::mm::paging::{BasePageSize, LargePageSize, PageSize, PageTableEntryFlags};
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::arch::mm::physicalmem::total_memory_size`
[INFO] [stdout]   --> src/mm/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::arch::mm::physicalmem::total_memory_size;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]    --> src/syscalls/fs.rs:170:7
[INFO] [stdout]     |
[INFO] [stdout] 170 |         use alloc::string::ToString;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    --> /rustc/4d1bd0db7f489b22c6d8aa2385937a95412c015b/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Layout`, `alloc`
[INFO] [stdout]  --> src/syscalls/interfaces/uhyve.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use alloc::alloc::{alloc, Layout};
[INFO] [stdout]   |                    ^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `alloc::boxed::Box`
[INFO] [stdout]  --> src/syscalls/interfaces/uhyve.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use alloc::boxed::Box;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `alloc::vec::Vec`
[INFO] [stdout]  --> src/syscalls/interfaces/uhyve.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use alloc::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::mem`
[INFO] [stdout]  --> src/syscalls/interfaces/uhyve.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::mem;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'exposed_provenance'
[INFO] [stdout]   --> src/arch/x86_64/mm/paging.rs:59:26
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let level_4_table_ptr = ptr::from_exposed_addr_mut(level_4_table_addr);
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #95228 <https://github.com/rust-lang/rust/issues/95228> for more information
[INFO] [stdout]    = help: add `#![feature(exposed_provenance)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'exposed_provenance'
[INFO] [stdout]   --> src/arch/x86_64/mm/paging.rs:59:26
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let level_4_table_ptr = ptr::from_exposed_addr_mut(level_4_table_addr);
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #95228 <https://github.com/rust-lang/rust/issues/95228> for more information
[INFO] [stdout]    = help: add `#![feature(exposed_provenance)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libhermit-rs` (lib) due to 2 previous errors; 22 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `libhermit-rs` (lib test) due to 2 previous errors; 23 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "7c78577816c187c3085ab3344056d2f7bde7b0043783ecebb99ab98372cb4726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c78577816c187c3085ab3344056d2f7bde7b0043783ecebb99ab98372cb4726", kill_on_drop: false }`
[INFO] [stdout] 7c78577816c187c3085ab3344056d2f7bde7b0043783ecebb99ab98372cb4726
[INFO] checking libhermit-rs-0.6.3 against try#785364c7e5e0804473a3fddfb579798ea14e3493 for pr-114682
[INFO] extracting crate libhermit-rs 0.6.3 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate libhermit-rs 0.6.3 on toolchain 785364c7e5e0804473a3fddfb579798ea14e3493
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate libhermit-rs 0.6.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate libhermit-rs 0.6.3
[INFO] tweaked toml for crates.io crate libhermit-rs 0.6.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17aa213d2edae4e7ef4f5d36a2825ef2fe79dcd5cfba0ccd88b1fbe70d3f3825
[INFO] running `Command { std: "docker" "start" "-a" "17aa213d2edae4e7ef4f5d36a2825ef2fe79dcd5cfba0ccd88b1fbe70d3f3825", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17aa213d2edae4e7ef4f5d36a2825ef2fe79dcd5cfba0ccd88b1fbe70d3f3825", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17aa213d2edae4e7ef4f5d36a2825ef2fe79dcd5cfba0ccd88b1fbe70d3f3825", kill_on_drop: false }`
[INFO] [stdout] 17aa213d2edae4e7ef4f5d36a2825ef2fe79dcd5cfba0ccd88b1fbe70d3f3825
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 713cbd1b1c98cf56a5f3604b671fe733fe7eb70d7fdff8de25351bae57cdb32d
[INFO] running `Command { std: "docker" "start" "-a" "713cbd1b1c98cf56a5f3604b671fe733fe7eb70d7fdff8de25351bae57cdb32d", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling x86 v0.52.0
[INFO] [stderr]    Compiling syn v2.0.42
[INFO] [stderr]    Compiling linux-raw-sys v0.4.12
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]     Checking phf_shared v0.11.2
[INFO] [stderr]     Checking deranged v0.3.10
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]     Checking raw-cpuid v10.7.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling smoltcp v0.10.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]     Checking generic_once_cell v0.1.1
[INFO] [stderr]     Checking exclusive_cell v0.1.0
[INFO] [stderr]     Checking managed v0.8.0
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking align-address v0.1.0
[INFO] [stderr]     Checking volatile v0.4.6
[INFO] [stderr]     Checking ahash v0.8.6
[INFO] [stderr]     Checking multiboot v0.8.0
[INFO] [stderr]     Checking x86_64 v0.14.11
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking interrupts v0.1.4
[INFO] [stderr]     Checking pci_types v0.5.0
[INFO] [stderr]     Checking hermit-sync v0.1.5
[INFO] [stderr]     Checking pflock v0.2.0
[INFO] [stderr]     Checking talc v2.2.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]     Checking shell-words v1.1.0
[INFO] [stderr]     Checking qemu-exit v3.0.2
[INFO] [stderr]    Compiling phf_codegen v0.11.2
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]     Checking time v0.3.31
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking hermit-entry v0.9.9
[INFO] [stderr]     Checking num-rational v0.4.1
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking uart_16550 v0.3.0
[INFO] [stderr]    Compiling tempfile v3.8.1
[INFO] [stderr]    Compiling pci-ids v0.2.5
[INFO] [stderr]    Compiling zerocopy-derive v0.6.6
[INFO] [stderr]    Compiling num-derive v0.4.1
[INFO] [stderr]    Compiling include-transformed v0.2.2
[INFO] [stderr]     Checking zerocopy v0.6.6
[INFO] [stderr]     Checking libhermit-rs v0.6.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library
[INFO] [stdout]   --> src/lib.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![feature(core_intrinsics)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using it is strongly discouraged
[INFO] [stdout]    = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `alloc::alloc::Layout`
[INFO] [stdout]   --> src/lib.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | use alloc::alloc::Layout;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::alloc::GlobalAlloc`
[INFO] [stdout]   --> src/lib.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | use core::alloc::GlobalAlloc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mm::allocator::LockedAllocator`
[INFO] [stdout]   --> src/lib.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | use mm::allocator::LockedAllocator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::kernel::is_uhyve_with_pci`
[INFO] [stdout]   --> src/lib.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 | use crate::kernel::is_uhyve_with_pci;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Cr0`, `cr0_write`, `cr0`, `cr4`
[INFO] [stdout]  --> src/arch/x86_64/kernel/mod.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 | use x86::controlregs::{cr0, cr0_write, cr4, Cr0};
[INFO] [stdout]   |                        ^^^  ^^^^^^^^^  ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `is_uhyve`
[INFO] [stdout]   --> src/arch/x86_64/kernel/mod.rs:12:24
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::env::{self, is_uhyve};
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::ptr`
[INFO] [stdout]  --> src/arch/x86_64/kernel/apic.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use core::ptr;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::arch::asm`
[INFO] [stdout]  --> src/arch/x86_64/kernel/scheduler.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::arch::asm;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::paging::init_page_tables`
[INFO] [stdout]  --> src/arch/x86_64/mm/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use self::paging::init_page_tables;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `message_output_init`
[INFO] [stdout]   --> src/arch/mod.rs:60:23
[INFO] [stdout]    |
[INFO] [stdout] 60 |     get_processor_count, message_output_init, output_message_buf,
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `get_ram_address`
[INFO] [stdout]   --> src/env.rs:14:62
[INFO] [stdout]    |
[INFO] [stdout] 14 |     get_base_address, get_cmdline, get_cmdsize, get_image_size, get_ram_address, get_tls_align,
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::mem`
[INFO] [stdout]  --> src/mm/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::mem;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::arch::mm::paging::HugePageSize`
[INFO] [stdout]   --> src/mm/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::arch::mm::paging::HugePageSize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LargePageSize`
[INFO] [stdout]   --> src/mm/mod.rs:16:45
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::arch::mm::paging::{BasePageSize, LargePageSize, PageSize, PageTableEntryFlags};
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::arch::mm::physicalmem::total_memory_size`
[INFO] [stdout]   --> src/mm/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::arch::mm::physicalmem::total_memory_size;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]    --> src/syscalls/fs.rs:170:7
[INFO] [stdout]     |
[INFO] [stdout] 170 |         use alloc::string::ToString;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    --> /rustc/785364c7e5e0804473a3fddfb579798ea14e3493/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Layout`, `alloc`
[INFO] [stdout]  --> src/syscalls/interfaces/uhyve.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use alloc::alloc::{alloc, Layout};
[INFO] [stdout]   |                    ^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library
[INFO] [stdout]   --> src/lib.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![feature(core_intrinsics)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using it is strongly discouraged
[INFO] [stdout]    = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `alloc::boxed::Box`
[INFO] [stdout]  --> src/syscalls/interfaces/uhyve.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use alloc::boxed::Box;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `alloc::vec::Vec`
[INFO] [stdout]  --> src/syscalls/interfaces/uhyve.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use alloc::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::mem`
[INFO] [stdout]  --> src/syscalls/interfaces/uhyve.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::mem;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `alloc::alloc::Layout`
[INFO] [stdout]   --> src/lib.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | use alloc::alloc::Layout;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::alloc::GlobalAlloc`
[INFO] [stdout]   --> src/lib.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | use core::alloc::GlobalAlloc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mm::allocator::LockedAllocator`
[INFO] [stdout]   --> src/lib.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | use mm::allocator::LockedAllocator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::kernel::is_uhyve_with_pci`
[INFO] [stdout]   --> src/lib.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 | use crate::kernel::is_uhyve_with_pci;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Cr0`, `cr0_write`, `cr0`, `cr4`
[INFO] [stdout]  --> src/arch/x86_64/kernel/mod.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 | use x86::controlregs::{cr0, cr0_write, cr4, Cr0};
[INFO] [stdout]   |                        ^^^  ^^^^^^^^^  ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `is_uhyve`
[INFO] [stdout]   --> src/arch/x86_64/kernel/mod.rs:12:24
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::env::{self, is_uhyve};
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::ptr`
[INFO] [stdout]  --> src/arch/x86_64/kernel/apic.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use core::ptr;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::arch::asm`
[INFO] [stdout]  --> src/arch/x86_64/kernel/scheduler.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::arch::asm;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::paging::init_page_tables`
[INFO] [stdout]  --> src/arch/x86_64/mm/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use self::paging::init_page_tables;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `message_output_init`
[INFO] [stdout]   --> src/arch/mod.rs:60:23
[INFO] [stdout]    |
[INFO] [stdout] 60 |     get_processor_count, message_output_init, output_message_buf,
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/console.rs:35:6
[INFO] [stdout]    |
[INFO] [stdout] 35 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `get_ram_address`
[INFO] [stdout]   --> src/env.rs:14:62
[INFO] [stdout]    |
[INFO] [stdout] 14 |     get_base_address, get_cmdline, get_cmdsize, get_image_size, get_ram_address, get_tls_align,
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::mem`
[INFO] [stdout]  --> src/mm/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::mem;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::arch::mm::paging::HugePageSize`
[INFO] [stdout]   --> src/mm/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::arch::mm::paging::HugePageSize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LargePageSize`
[INFO] [stdout]   --> src/mm/mod.rs:16:45
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::arch::mm::paging::{BasePageSize, LargePageSize, PageSize, PageTableEntryFlags};
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::arch::mm::physicalmem::total_memory_size`
[INFO] [stdout]   --> src/mm/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::arch::mm::physicalmem::total_memory_size;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]    --> src/syscalls/fs.rs:170:7
[INFO] [stdout]     |
[INFO] [stdout] 170 |         use alloc::string::ToString;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    --> /rustc/785364c7e5e0804473a3fddfb579798ea14e3493/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Layout`, `alloc`
[INFO] [stdout]  --> src/syscalls/interfaces/uhyve.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use alloc::alloc::{alloc, Layout};
[INFO] [stdout]   |                    ^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `alloc::boxed::Box`
[INFO] [stdout]  --> src/syscalls/interfaces/uhyve.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use alloc::boxed::Box;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `alloc::vec::Vec`
[INFO] [stdout]  --> src/syscalls/interfaces/uhyve.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use alloc::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::mem`
[INFO] [stdout]  --> src/syscalls/interfaces/uhyve.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::mem;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'exposed_provenance'
[INFO] [stdout]   --> src/arch/x86_64/mm/paging.rs:59:26
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let level_4_table_ptr = ptr::from_exposed_addr_mut(level_4_table_addr);
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #95228 <https://github.com/rust-lang/rust/issues/95228> for more information
[INFO] [stdout]    = help: add `#![feature(exposed_provenance)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'exposed_provenance'
[INFO] [stdout]   --> src/arch/x86_64/mm/paging.rs:59:26
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let level_4_table_ptr = ptr::from_exposed_addr_mut(level_4_table_addr);
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #95228 <https://github.com/rust-lang/rust/issues/95228> for more information
[INFO] [stdout]    = help: add `#![feature(exposed_provenance)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libhermit-rs` (lib test) due to 2 previous errors; 23 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error; 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libhermit-rs` (lib) due to 2 previous errors; 22 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "713cbd1b1c98cf56a5f3604b671fe733fe7eb70d7fdff8de25351bae57cdb32d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "713cbd1b1c98cf56a5f3604b671fe733fe7eb70d7fdff8de25351bae57cdb32d", kill_on_drop: false }`
[INFO] [stdout] 713cbd1b1c98cf56a5f3604b671fe733fe7eb70d7fdff8de25351bae57cdb32d
