[INFO] cloning repository https://github.com/LordGoatius/jiscv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LordGoatius/jiscv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLordGoatius%2Fjiscv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLordGoatius%2Fjiscv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ba9853ad0d287921e0cc825a58512ebbaaf53bb8
[INFO] checking LordGoatius/jiscv against try#df1b9bf194c9183fb7c0604484171064069ce232 for pr-149195-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLordGoatius%2Fjiscv" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/LordGoatius/jiscv
[INFO] finished tweaking git repo https://github.com/LordGoatius/jiscv
[INFO] tweaked toml for git repo https://github.com/LordGoatius/jiscv written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LordGoatius/jiscv on toolchain df1b9bf194c9183fb7c0604484171064069ce232
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+df1b9bf194c9183fb7c0604484171064069ce232" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/LordGoatius/jiscv 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" "+df1b9bf194c9183fb7c0604484171064069ce232" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-2-tc2/source/kernel/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-2-tc2/source/utils/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-2-tc2/source/shell/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+df1b9bf194c9183fb7c0604484171064069ce232" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ecd71b5bd70b6669bbcc1f022698254c84b06529e72351f9de9fb63ec0b2b89
[INFO] running `Command { std: "docker" "start" "-a" "6ecd71b5bd70b6669bbcc1f022698254c84b06529e72351f9de9fb63ec0b2b89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ecd71b5bd70b6669bbcc1f022698254c84b06529e72351f9de9fb63ec0b2b89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ecd71b5bd70b6669bbcc1f022698254c84b06529e72351f9de9fb63ec0b2b89", kill_on_drop: false }`
[INFO] [stdout] 6ecd71b5bd70b6669bbcc1f022698254c84b06529e72351f9de9fb63ec0b2b89
[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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+df1b9bf194c9183fb7c0604484171064069ce232" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9343234c4fd497594a921821653fbd343140a1a0ad1e49ca8b4c36cea420de9
[INFO] running `Command { std: "docker" "start" "-a" "c9343234c4fd497594a921821653fbd343140a1a0ad1e49ca8b4c36cea420de9", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/kernel/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/utils/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/shell/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr]     Checking spin v0.10.0
[INFO] [stderr]    Compiling shell v0.1.0 (/opt/rustwide/workdir/shell)
[INFO] [stderr]    Compiling kernel v0.1.0 (/opt/rustwide/workdir/kernel)
[INFO] [stderr]     Checking utils v0.1.0 (/opt/rustwide/workdir/utils)
[INFO] [stdout] warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> utils/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     generic_const_exprs,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> utils/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     generic_const_exprs,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> utils/btree.rs:37:30
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn insert(&mut self, val: NonNull<T>) {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> utils/btree.rs:41:30
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn remove(&mut self, val: NonNull<T>) {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `data` and `curr` are never read
[INFO] [stdout]   --> utils/static_alloc.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub struct Arena<T, const N: usize> {
[INFO] [stdout]    |                ----- fields in this struct
[INFO] [stdout] 70 |         data: [MaybeUninit<T>; N],
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 71 |         curr: 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: methods `insert` and `insert_mut` are never used
[INFO] [stdout]   --> utils/static_alloc.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     impl<T: Unpin, const N: usize> Arena<T, N> {
[INFO] [stdout]    |     ------------------------------------------ methods in this implementation
[INFO] [stdout] 84 |         fn insert(&mut self, val: T) -> Result<&T, SysErr> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 |         fn insert_mut(&mut self, val: T) -> Result<&mut T, SysErr> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `head` is never read
[INFO] [stdout]  --> utils/btree.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct BTree<T: Ord, const B: usize> where [(); B+1]: {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 6 |     head: BTreeBlock<T, B>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `height`, `parent`, `nodes`, and `edges` are never read
[INFO] [stdout]   --> utils/btree.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | struct BTreeBlock<T: Ord, const B: usize> where [(); B + 1]: {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 10 |     height: usize,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 11 |     parent: Option<NonNull<BTreeBlock<T, B>>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 12 |     nodes: [Option<T>; B],
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 13 |     edges: [MaybeUninit<NonNull<BTreeBlock<T, B>>>; B + 1],
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `search`, `insert`, and `remove` are never used
[INFO] [stdout]   --> utils/btree.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl<T: Ord, const B: usize> BTreeBlock<T, B> where [(); B+1]: {
[INFO] [stdout]    | -------------------------------------------------------------- methods in this implementation
[INFO] [stdout] 17 |     pub fn search(&mut self, val: T) -> Option<NonNull<T>> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn insert(&mut self, val: NonNull<T>) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn remove(&mut self, val: NonNull<T>) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Red` and `Black` are never constructed
[INFO] [stdout]  --> utils/rbtree.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Color {
[INFO] [stdout]   |      ----- variants in this enum
[INFO] [stdout] 5 |     Red   = 0,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 6 |     Black = 1,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Dir` is never used
[INFO] [stdout]  --> utils/rbtree.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | enum Dir {
[INFO] [stdout]   |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `root` is never read
[INFO] [stdout]   --> utils/rbtree.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct RBTree<T: Ord> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 15 |     root: Node<T>
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `color`, `data`, `parent`, `left`, and `right` are never read
[INFO] [stdout]   --> utils/rbtree.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Node<T: Ord> {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 19 |     color: Color,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 20 |     data: T,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 21 |     // Parents always exist
[INFO] [stdout] 22 |     parent: NonNull<Node<T>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 23 |     left: Option<NonNull<Node<T>>>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 24 |     right: Option<NonNull<Node<T>>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `rot_dir` is never used
[INFO] [stdout]   --> utils/rbtree.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl<T: Ord> Node<T> {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] 28 |     fn rot_dir(&self) -> Dir {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> utils/btree.rs:37:30
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn insert(&mut self, val: NonNull<T>) {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> utils/btree.rs:41:30
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn remove(&mut self, val: NonNull<T>) {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `data` and `curr` are never read
[INFO] [stdout]   --> utils/static_alloc.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub struct Arena<T, const N: usize> {
[INFO] [stdout]    |                ----- fields in this struct
[INFO] [stdout] 70 |         data: [MaybeUninit<T>; N],
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 71 |         curr: 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: methods `insert` and `insert_mut` are never used
[INFO] [stdout]   --> utils/static_alloc.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     impl<T: Unpin, const N: usize> Arena<T, N> {
[INFO] [stdout]    |     ------------------------------------------ methods in this implementation
[INFO] [stdout] 84 |         fn insert(&mut self, val: T) -> Result<&T, SysErr> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 |         fn insert_mut(&mut self, val: T) -> Result<&mut T, SysErr> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `head` is never read
[INFO] [stdout]  --> utils/btree.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct BTree<T: Ord, const B: usize> where [(); B+1]: {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 6 |     head: BTreeBlock<T, B>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `height`, `parent`, `nodes`, and `edges` are never read
[INFO] [stdout]   --> utils/btree.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | struct BTreeBlock<T: Ord, const B: usize> where [(); B + 1]: {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 10 |     height: usize,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 11 |     parent: Option<NonNull<BTreeBlock<T, B>>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 12 |     nodes: [Option<T>; B],
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 13 |     edges: [MaybeUninit<NonNull<BTreeBlock<T, B>>>; B + 1],
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `search`, `insert`, and `remove` are never used
[INFO] [stdout]   --> utils/btree.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl<T: Ord, const B: usize> BTreeBlock<T, B> where [(); B+1]: {
[INFO] [stdout]    | -------------------------------------------------------------- methods in this implementation
[INFO] [stdout] 17 |     pub fn search(&mut self, val: T) -> Option<NonNull<T>> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn insert(&mut self, val: NonNull<T>) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn remove(&mut self, val: NonNull<T>) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Red` and `Black` are never constructed
[INFO] [stdout]  --> utils/rbtree.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Color {
[INFO] [stdout]   |      ----- variants in this enum
[INFO] [stdout] 5 |     Red   = 0,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 6 |     Black = 1,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Dir` is never used
[INFO] [stdout]  --> utils/rbtree.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | enum Dir {
[INFO] [stdout]   |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `root` is never read
[INFO] [stdout]   --> utils/rbtree.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct RBTree<T: Ord> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 15 |     root: Node<T>
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `color`, `data`, `parent`, `left`, and `right` are never read
[INFO] [stdout]   --> utils/rbtree.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Node<T: Ord> {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 19 |     color: Color,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 20 |     data: T,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 21 |     // Parents always exist
[INFO] [stdout] 22 |     parent: NonNull<Node<T>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 23 |     left: Option<NonNull<Node<T>>>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 24 |     right: Option<NonNull<Node<T>>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `rot_dir` is never used
[INFO] [stdout]   --> utils/rbtree.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl<T: Ord> Node<T> {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] 28 |     fn rot_dir(&self) -> Dir {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a0`: unknown register
[INFO] [stdout]   --> shell/syscall.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |             inout("a0") arg0,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a1`: unknown register
[INFO] [stdout]   --> shell/syscall.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |             inout("a1") arg1,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a2`: unknown register
[INFO] [stdout]   --> shell/syscall.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |             in("a2") arg2,
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a3`: unknown register
[INFO] [stdout]   --> shell/syscall.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |             in("a3") arg3,
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a4`: unknown register
[INFO] [stdout]   --> shell/syscall.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |             in("a4") sysnum
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a0`: unknown register
[INFO] [stdout]   --> shell/syscall.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |             inout("a0") arg0,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a1`: unknown register
[INFO] [stdout]   --> shell/syscall.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |             inout("a1") arg1,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a2`: unknown register
[INFO] [stdout]   --> shell/syscall.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |             in("a2") arg2,
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a3`: unknown register
[INFO] [stdout]   --> shell/syscall.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |             in("a3") arg3,
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a4`: unknown register
[INFO] [stdout]   --> shell/syscall.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |             in("a4") sysnum
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command_result`
[INFO] [stdout]   --> shell/lib.rs:38:25
[INFO] [stdout]    |
[INFO] [stdout] 38 |                     let command_result = self.run_command();
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]   --> kernel/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     generic_const_exprs, // I accept the risk, but it's so cool and useful
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
[INFO] [stdout]    = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command_result`
[INFO] [stdout]   --> shell/lib.rs:38:25
[INFO] [stdout]    |
[INFO] [stdout] 38 |                     let command_result = self.run_command();
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[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] [stdout] warning: unused variable: `file_err`
[INFO] [stdout]   --> shell/lib.rs:93:25
[INFO] [stdout]    |
[INFO] [stdout] 93 |         FileResult::Err(file_err) => panic!(),
[INFO] [stdout]    |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a0`: unknown register
[INFO] [stdout]   --> kernel/sbi.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |             inout("a0") arg0,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a1`: unknown register
[INFO] [stdout]   --> kernel/sbi.rs:97:13
[INFO] [stdout]    |
[INFO] [stdout] 97 |             in("a1") 0,
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a2`: unknown register
[INFO] [stdout]   --> kernel/sbi.rs:98:13
[INFO] [stdout]    |
[INFO] [stdout] 98 |             in("a2") 0,
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a3`: unknown register
[INFO] [stdout]   --> kernel/sbi.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 |             in("a3") 0,
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a4`: unknown register
[INFO] [stdout]    --> kernel/sbi.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |             in("a4") 0,
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a5`: unknown register
[INFO] [stdout]    --> kernel/sbi.rs:101:13
[INFO] [stdout]     |
[INFO] [stdout] 101 |             in("a5") 0,
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a6`: unknown register
[INFO] [stdout]    --> kernel/sbi.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |             in("a6") 0,
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a7`: unknown register
[INFO] [stdout]    --> kernel/sbi.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |             in("a7") 2,
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_err`
[INFO] [stdout]   --> shell/lib.rs:93:25
[INFO] [stdout]    |
[INFO] [stdout] 93 |         FileResult::Err(file_err) => panic!(),
[INFO] [stdout]    |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a0`: unknown register
[INFO] [stdout]   --> kernel/sbi.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |             inout("a0") arg0,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a1`: unknown register
[INFO] [stdout]   --> kernel/sbi.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |             inout("a1") arg1,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a2`: unknown register
[INFO] [stdout]   --> kernel/sbi.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |             in("a2") arg2,
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a3`: unknown register
[INFO] [stdout]   --> kernel/sbi.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |             in("a3") arg3,
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a4`: unknown register
[INFO] [stdout]   --> kernel/sbi.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |             in("a4") arg4,
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]   --> kernel/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     generic_const_exprs, // I accept the risk, but it's so cool and useful
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
[INFO] [stdout]    = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a5`: unknown register
[INFO] [stdout]   --> kernel/sbi.rs:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |             in("a5") arg5,
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a6`: unknown register
[INFO] [stdout]   --> kernel/sbi.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |             in("a6") fid,
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a7`: unknown register
[INFO] [stdout]   --> kernel/sbi.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |             in("a7") eid,
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]    --> kernel/main.rs:146:1
[INFO] [stdout]     |
[INFO] [stdout] 146 | / pub fn panic_handler(info: &PanicInfo) -> ! {
[INFO] [stdout] 147 | |     println!("PanicInfo: {info}");
[INFO] [stdout] 148 | |     loop {
[INFO] [stdout] 149 | |         unsafe {
[INFO] [stdout] ...   |
[INFO] [stdout] 153 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout]     = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/df1b9bf194c9183fb7c0604484171064069ce232/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-d21d73a0ded86791.rmeta
[INFO] [stdout]     = note: second definition in the local crate (`kernel`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `riscv_ext_intrinsics`
[INFO] [stdout]   --> kernel/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     riscv_ext_intrinsics,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `shell` (lib test) due to 5 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `shell` (lib) due to 5 previous errors; 2 warnings emitted
[INFO] [stderr] error: could not compile `kernel` (bin "kernel" test) due to 1 previous error; 1 warning emitted
[INFO] [stdout] warning: unused variable: `root_inode`
[INFO] [stdout]   --> kernel/ext2.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let root_inode = fs.read_root_inode();
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_root_inode`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `containing_block`
[INFO] [stdout]    --> kernel/ext2.rs:164:13
[INFO] [stdout]     |
[INFO] [stdout] 164 |         let containing_block = ((index as u32 * dbg!(self.inode_size) as u32) / dbg!(self.blck_size)) + 1;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_containing_block`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inode`
[INFO] [stdout]    --> kernel/ext2.rs:178:26
[INFO] [stdout]     |
[INFO] [stdout] 178 |     fn read_inode(&self, inode: usize) -> Inode {
[INFO] [stdout]     |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_inode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> kernel/syscall.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |             let name = unsafe { str::from_raw_parts(name_ptr, name_size) };
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> kernel/syscall.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |             let buf = unsafe { slice::from_raw_parts(buf_ptr, buf_size) };
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kernel` (bin "kernel") due to 18 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "c9343234c4fd497594a921821653fbd343140a1a0ad1e49ca8b4c36cea420de9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9343234c4fd497594a921821653fbd343140a1a0ad1e49ca8b4c36cea420de9", kill_on_drop: false }`
[INFO] [stdout] c9343234c4fd497594a921821653fbd343140a1a0ad1e49ca8b4c36cea420de9
