[INFO] cloning repository https://github.com/Archisman-Mridha/operating-system
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Archisman-Mridha/operating-system" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArchisman-Mridha%2Foperating-system", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArchisman-Mridha%2Foperating-system'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7516012fd850a492a1aca6a5745b960dbe25720
[INFO] checking Archisman-Mridha/operating-system against try#5fee451ebd94296ea05214e819c311e164b30af6 for pr-139042
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArchisman-Mridha%2Foperating-system" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Archisman-Mridha/operating-system on toolchain 5fee451ebd94296ea05214e819c311e164b30af6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/Archisman-Mridha/operating-system
[INFO] finished tweaking git repo https://github.com/Archisman-Mridha/operating-system
[INFO] tweaked toml for git repo https://github.com/Archisman-Mridha/operating-system written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Archisman-Mridha/operating-system 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" "+5fee451ebd94296ea05214e819c311e164b30af6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66dd02a878b8ae69251aac8085fa5ee5cdf1eb4bfded430c57e521d1b5f16ffa
[INFO] running `Command { std: "docker" "start" "-a" "66dd02a878b8ae69251aac8085fa5ee5cdf1eb4bfded430c57e521d1b5f16ffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66dd02a878b8ae69251aac8085fa5ee5cdf1eb4bfded430c57e521d1b5f16ffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66dd02a878b8ae69251aac8085fa5ee5cdf1eb4bfded430c57e521d1b5f16ffa", kill_on_drop: false }`
[INFO] [stdout] 66dd02a878b8ae69251aac8085fa5ee5cdf1eb4bfded430c57e521d1b5f16ffa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca8c0d43aba62d8503881324384d79b5e9f4dc2dbf69407d0aff9c65ddc36ae8
[INFO] running `Command { std: "docker" "start" "-a" "ca8c0d43aba62d8503881324384d79b5e9f4dc2dbf69407d0aff9c65ddc36ae8", kill_on_drop: false }`
[INFO] [stderr]    Compiling arno v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking array-macro v2.1.8
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stdout] error: missing type for `static mut` item
[INFO] [stdout]   --> src/fs/disk.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub static mut DISKS = Disks::new();
[INFO] [stdout]    |                     ^ help: provide a type for the static variable: `: Disks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]   --> src/arch/riscv/registers/medeleg.rs:18:25
[INFO] [stdout]    |
[INFO] [stdout] 18 |     asm!("csrw medeleg, {}", in(reg)0xffff);
[INFO] [stdout]    |                         ^^          ------ for this argument
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `{0:e}` to have the register formatted as `eax` (for 32-bit values)
[INFO] [stdout]    = help: or use `{0:r}` to keep the default formatting of `rax` (for 64-bit values)
[INFO] [stdout]    = note: `#[warn(asm_sub_register)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]   --> src/arch/riscv/registers/mideleg.rs:18:25
[INFO] [stdout]    |
[INFO] [stdout] 18 |     asm!("csrw mideleg, {}", in(reg)0xffff);
[INFO] [stdout]    |                         ^^          ------ for this argument
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `{0:e}` to have the register formatted as `eax` (for 32-bit values)
[INFO] [stdout]    = help: or use `{0:r}` to keep the default formatting of `rax` (for 64-bit values)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]   --> src/arch/riscv/registers/satp.rs:29:22
[INFO] [stdout]    |
[INFO] [stdout] 29 |     asm!("csrw satp, {}", in(reg)0);
[INFO] [stdout]    |                      ^^          - for this argument
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `{0:e}` to have the register formatted as `eax` (for 32-bit values)
[INFO] [stdout]    = help: or use `{0:r}` to keep the default formatting of `rax` (for 64-bit values)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/memory/allocator/buddy.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 131 |     unimplemented!();
[INFO] [stdout]     |     ---------------- any code following this expression is unreachable
[INFO] [stdout] 132 |
[INFO] [stdout] 133 |     self.isInitialized = true;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `spinLockGuard`
[INFO] [stdout]   --> src/locks/sleeplock.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let spinLockGuard = self.spinLock.acquire();
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_spinLockGuard`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `spinLockGuard`
[INFO] [stdout]   --> src/locks/sleeplock.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let spinLockGuard = self.spinLock.acquire();
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_spinLockGuard`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k_r`
[INFO] [stdout]    --> src/memory/allocator/buddy.rs:139:9
[INFO] [stdout]     |
[INFO] [stdout] 139 |     for k_r in 0..k_max {}
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_k_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arno` (bin "arno") due to 1 previous error; 8 warnings emitted
[INFO] [stdout] warning: unused variable: `pointer`
[INFO] [stdout]    --> src/memory/allocator/buddy.rs:136:33
[INFO] [stdout]     |
[INFO] [stdout] 136 |   fn initFreeRegions(&mut self, pointer: usize) {
[INFO] [stdout]     |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pointer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ca8c0d43aba62d8503881324384d79b5e9f4dc2dbf69407d0aff9c65ddc36ae8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca8c0d43aba62d8503881324384d79b5e9f4dc2dbf69407d0aff9c65ddc36ae8", kill_on_drop: false }`
[INFO] [stdout] ca8c0d43aba62d8503881324384d79b5e9f4dc2dbf69407d0aff9c65ddc36ae8
