[INFO] cloning repository https://github.com/AliB-11/Rust-OS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AliB-11/Rust-OS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAliB-11%2FRust-OS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAliB-11%2FRust-OS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 88bce4e4024887b7b25a7be8bb075c967640d843
[INFO] checking AliB-11/Rust-OS against 3154cc1a3e6424e44f438a95007d043ed5ceaaf6+rustflags=-Znext-solver=coherence for pr-133502-30
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAliB-11%2FRust-OS" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/AliB-11/Rust-OS
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/AliB-11/Rust-OS
[INFO] tweaked toml for git repo https://github.com/AliB-11/Rust-OS written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AliB-11/Rust-OS on toolchain 3154cc1a3e6424e44f438a95007d043ed5ceaaf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AliB-11/Rust-OS 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" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded volatile v0.4.6
[INFO] [stderr]   Downloaded const_fn v0.4.12
[INFO] [stderr]   Downloaded volatile v0.2.7
[INFO] [stderr]   Downloaded bootloader v0.9.35
[INFO] [stderr]   Downloaded linked_list_allocator v0.9.1
[INFO] [stderr]   Downloaded uart_16550 v0.6.0
[INFO] [stderr]   Downloaded x86_64 v0.15.5
[INFO] [stderr]   Downloaded pic8259 v0.11.0
[INFO] [stderr]   Downloaded spinning_top v0.2.5
[INFO] [stderr]   Downloaded pc-keyboard v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e752ba3666615919b388f5f0cbabd0a1bb6221feea34938947677f548a5776a9
[INFO] running `Command { std: "docker" "start" "e752ba3666615919b388f5f0cbabd0a1bb6221feea34938947677f548a5776a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e752ba3666615919b388f5f0cbabd0a1bb6221feea34938947677f548a5776a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e752ba3666615919b388f5f0cbabd0a1bb6221feea34938947677f548a5776a9" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e752ba3666615919b388f5f0cbabd0a1bb6221feea34938947677f548a5776a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Znext-solver=coherence" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e752ba3666615919b388f5f0cbabd0a1bb6221feea34938947677f548a5776a9" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling const_fn v0.4.12
[INFO] [stderr]     Checking volatile v0.4.6
[INFO] [stderr]    Compiling bootloader v0.9.35
[INFO] [stderr]     Checking bit_field v0.10.3
[INFO] [stderr]     Checking spin v0.9.9
[INFO] [stderr]     Checking uart_16550 v0.6.0
[INFO] [stderr]     Checking spinning_top v0.2.5
[INFO] [stderr]     Checking volatile v0.2.7
[INFO] [stderr]     Checking pc-keyboard v0.7.0
[INFO] [stderr]     Checking linked_list_allocator v0.9.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking x86_64 v0.15.5
[INFO] [stderr]     Checking pic8259 v0.11.0
[INFO] [stderr]     Checking mini_os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Mapper` and `Page`
[INFO] [stdout]  --> src/memory.rs:4:26
[INFO] [stdout]   |
[INFO] [stdout] 4 |     structures::paging::{Page, PhysFrame, Mapper, Size4KiB, FrameAllocator}
[INFO] [stdout]   |                          ^^^^             ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `x86_64::structures::paging::PageTableFlags as Flags`
[INFO] [stdout]   --> src/memory.rs:47:6
[INFO] [stdout]    |
[INFO] [stdout] 47 |  use x86_64::structures::paging::PageTableFlags as Flags;
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `linked_list_allocator::LockedHeap`
[INFO] [stdout]  --> src/allocator.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use linked_list_allocator::LockedHeap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bump::BumpAllocator`
[INFO] [stdout]   --> src/allocator.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use bump::BumpAllocator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Mapper` and `Page`
[INFO] [stdout]  --> src/memory.rs:4:26
[INFO] [stdout]   |
[INFO] [stdout] 4 |     structures::paging::{Page, PhysFrame, Mapper, Size4KiB, FrameAllocator}
[INFO] [stdout]   |                          ^^^^             ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `x86_64::structures::paging::PageTableFlags as Flags`
[INFO] [stdout]   --> src/memory.rs:47:6
[INFO] [stdout]    |
[INFO] [stdout] 47 |  use x86_64::structures::paging::PageTableFlags as Flags;
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `linked_list_allocator::LockedHeap`
[INFO] [stdout]  --> src/allocator.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use linked_list_allocator::LockedHeap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bump::BumpAllocator`
[INFO] [stdout]   --> src/allocator.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use bump::BumpAllocator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mini_os` (lib test) due to 1 previous error; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/allocator.rs:87:17
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn lock(&self) -> spin::MutexGuard<A> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn lock(&self) -> spin::MutexGuard<'_, A> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e752ba3666615919b388f5f0cbabd0a1bb6221feea34938947677f548a5776a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e752ba3666615919b388f5f0cbabd0a1bb6221feea34938947677f548a5776a9", kill_on_drop: false }`
[INFO] [stdout] e752ba3666615919b388f5f0cbabd0a1bb6221feea34938947677f548a5776a9
