[INFO] cloning repository https://github.com/AbrarNitk/os-projects
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AbrarNitk/os-projects" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbrarNitk%2Fos-projects", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbrarNitk%2Fos-projects'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7dd56a029dc5227a8c9d292078378894e50187ec
[INFO] checking AbrarNitk/os-projects against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbrarNitk%2Fos-projects" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AbrarNitk/os-projects
[INFO] finished tweaking git repo https://github.com/AbrarNitk/os-projects
[INFO] tweaked toml for git repo https://github.com/AbrarNitk/os-projects written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AbrarNitk/os-projects on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AbrarNitk/os-projects 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" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 05956c4dee862a5ca9eb2d33363e27d0b6aa9dbe0bd10b9d33d6eef359be6858
[INFO] running `Command { std: "docker" "start" "05956c4dee862a5ca9eb2d33363e27d0b6aa9dbe0bd10b9d33d6eef359be6858", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05956c4dee862a5ca9eb2d33363e27d0b6aa9dbe0bd10b9d33d6eef359be6858", 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" "05956c4dee862a5ca9eb2d33363e27d0b6aa9dbe0bd10b9d33d6eef359be6858" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05956c4dee862a5ca9eb2d33363e27d0b6aa9dbe0bd10b9d33d6eef359be6858", 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" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "05956c4dee862a5ca9eb2d33363e27d0b6aa9dbe0bd10b9d33d6eef359be6858" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling nix v0.31.3
[INFO] [stderr]     Checking small-cpu v0.1.0 (/opt/rustwide/workdir/small-cpu)
[INFO] [stderr]     Checking mem-alloc v0.1.0 (/opt/rustwide/workdir/mem-alloc)
[INFO] [stderr]     Checking parallel-zipper v0.1.0 (/opt/rustwide/workdir/parallel-zipper)
[INFO] [stderr]     Checking chacha20 v0.10.0
[INFO] [stderr]     Checking simple-kv v0.1.0 (/opt/rustwide/workdir/simple-kv)
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> small-cpu/src/cpu.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout]  1 | pub struct Cpu {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout]  2 |     // registers
[INFO] [stdout]  3 |     rax: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]  4 |     rcx: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]  5 |     rdx: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]  6 |     rbx: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]  7 |     rsp: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]  8 |     rbp: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]  9 |     rsi: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 10 |     rdi: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 11 |     r8: u64,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 12 |     r9: u64,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 13 |     r10: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 14 |     r11: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 15 |     r12: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 16 |     r13: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 17 |     r14: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     rip: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     stack_ptr: u64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 24 |     stack_limit: u64, // could be the constant
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 25 |
[INFO] [stdout] 26 |     heap_ptr: u64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     zf: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 30 |     sf: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 31 |     of: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     state: ProgramState,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mem` is never read
[INFO] [stdout]  --> small-cpu/src/memory.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Memory {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 4 |     mem: [u8; MEMORY_SIZE],
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `stack` and `stack_ptr` are never read
[INFO] [stdout]  --> small-cpu/src/stack.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Stack {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 4 |     stack: [u8; STACK_SIZE],
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 5 |     stack_ptr: usize,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> mem-alloc/src/simple.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let mut idx = get_idx(size);
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `buddies`, `available`, `size`, and `last` are never read
[INFO] [stdout]   --> mem-alloc/src/simple.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Buddy {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 14 |     buddies: [Node; 32],
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 15 |     available: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 16 |     size: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 17 |     last: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> small-cpu/src/cpu.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout]  1 | pub struct Cpu {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout]  2 |     // registers
[INFO] [stdout]  3 |     rax: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]  4 |     rcx: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]  5 |     rdx: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]  6 |     rbx: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]  7 |     rsp: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]  8 |     rbp: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]  9 |     rsi: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 10 |     rdi: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 11 |     r8: u64,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 12 |     r9: u64,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 13 |     r10: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 14 |     r11: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 15 |     r12: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 16 |     r13: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 17 |     r14: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     rip: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     stack_ptr: u64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 24 |     stack_limit: u64, // could be the constant
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 25 |
[INFO] [stdout] 26 |     heap_ptr: u64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     zf: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 30 |     sf: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 31 |     of: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     state: ProgramState,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mem` is never read
[INFO] [stdout]  --> small-cpu/src/memory.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Memory {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 4 |     mem: [u8; MEMORY_SIZE],
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `stack` and `stack_ptr` are never read
[INFO] [stdout]  --> small-cpu/src/stack.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Stack {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 4 |     stack: [u8; STACK_SIZE],
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 5 |     stack_ptr: usize,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> mem-alloc/src/simple.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let mut idx = get_idx(size);
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `buddies`, `available`, `size`, and `last` are never read
[INFO] [stdout]   --> mem-alloc/src/simple.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Buddy {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 14 |     buddies: [Node; 32],
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 15 |     available: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 16 |     size: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 17 |     last: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking getrandom v0.4.2
[INFO] [stderr]     Checking rand v0.10.1
[INFO] [stderr]     Checking cpu-sch v0.1.0 (/opt/rustwide/workdir/cpu-sch)
[INFO] [stderr]     Checking simple-shell v0.1.0 (/opt/rustwide/workdir/simple-shell)
[INFO] [stderr]     Checking pipong v0.1.0 (/opt/rustwide/workdir/pipong)
[INFO] [stderr] warning: unused dependency `clap`
[INFO] [stderr]  --> simple-shell/Cargo.toml:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | clap =  { workspace = true }
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `clap`
[INFO] [stderr] warning: `simple-shell` (manifest) generated 1 warning
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.19s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nix v0.31.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6`
[INFO] running `Command { std: "docker" "inspect" "05956c4dee862a5ca9eb2d33363e27d0b6aa9dbe0bd10b9d33d6eef359be6858", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05956c4dee862a5ca9eb2d33363e27d0b6aa9dbe0bd10b9d33d6eef359be6858", kill_on_drop: false }`
[INFO] [stdout] 05956c4dee862a5ca9eb2d33363e27d0b6aa9dbe0bd10b9d33d6eef359be6858
