[INFO] cloning repository https://github.com/hiyasame/bplustree-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hiyasame/bplustree-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 1) [INFO] cloning repository https://github.com/hiyasame/bplustree-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hiyasame/bplustree-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs/hooks/: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 2) [INFO] cloning repository https://github.com/hiyasame/bplustree-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hiyasame/bplustree-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs'... [INFO] [stderr] error: copy-fd: write returned: No space left on device [INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/post-update.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs/hooks/post-update.sample': No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 3) [INFO] cloning repository https://github.com/hiyasame/bplustree-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hiyasame/bplustree-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs'... [INFO] [stderr] error: copy-fd: write returned: No space left on device [INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/commit-msg.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs/hooks/commit-msg.sample': No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 4) [INFO] cloning repository https://github.com/hiyasame/bplustree-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hiyasame/bplustree-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 5) [INFO] cloning repository https://github.com/hiyasame/bplustree-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hiyasame/bplustree-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 6) [INFO] cloning repository https://github.com/hiyasame/bplustree-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hiyasame/bplustree-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 7) [INFO] cloning repository https://github.com/hiyasame/bplustree-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hiyasame/bplustree-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 8) [INFO] cloning repository https://github.com/hiyasame/bplustree-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hiyasame/bplustree-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 9) [INFO] cloning repository https://github.com/hiyasame/bplustree-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hiyasame/bplustree-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 10) [INFO] cloning repository https://github.com/hiyasame/bplustree-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hiyasame/bplustree-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 11) [INFO] cloning repository https://github.com/hiyasame/bplustree-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hiyasame/bplustree-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 12) [INFO] cloning repository https://github.com/hiyasame/bplustree-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hiyasame/bplustree-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 13) [INFO] cloning repository https://github.com/hiyasame/bplustree-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hiyasame/bplustree-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 14) [INFO] cloning repository https://github.com/hiyasame/bplustree-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hiyasame/bplustree-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8b84767aa7c12373f25bbd06ecce142fb0d8c282 [INFO] checking hiyasame/bplustree-rs against master#cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3 for pr-135841 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiyasame%2Fbplustree-rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hiyasame/bplustree-rs on toolchain cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hiyasame/bplustree-rs [INFO] finished tweaking git repo https://github.com/hiyasame/bplustree-rs [INFO] tweaked toml for git repo https://github.com/hiyasame/bplustree-rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/hiyasame/bplustree-rs 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" "+cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d23fce7ee7cd759801d5c8a5b2a594b377ee6736f0066aed8cdecf8457d1e154 [INFO] running `Command { std: "docker" "start" "-a" "d23fce7ee7cd759801d5c8a5b2a594b377ee6736f0066aed8cdecf8457d1e154", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d23fce7ee7cd759801d5c8a5b2a594b377ee6736f0066aed8cdecf8457d1e154", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d23fce7ee7cd759801d5c8a5b2a594b377ee6736f0066aed8cdecf8457d1e154", kill_on_drop: false }` [INFO] [stdout] d23fce7ee7cd759801d5c8a5b2a594b377ee6736f0066aed8cdecf8457d1e154 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b303b0979adc23ee55ff4fbe73f9ab7f726741f32f229e39b87e0b550240a240 [INFO] running `Command { std: "docker" "start" "-a" "b303b0979adc23ee55ff4fbe73f9ab7f726741f32f229e39b87e0b550240a240", kill_on_drop: false }` [INFO] [stderr] Compiling anyhow v1.0.89 [INFO] [stderr] Checking bplus-tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `ret` is never read [INFO] [stdout] --> src/tree.rs:233:17 [INFO] [stdout] | [INFO] [stdout] 233 | let mut ret: Option = None; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `parent` [INFO] [stdout] --> src/tree.rs:231:38 [INFO] [stdout] | [INFO] [stdout] 231 | fn delete_helper(engine: *mut E, parent: &Cell>, block_id: BlockId, key: &K) -> Result> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `block_id` is never read [INFO] [stdout] --> src/block.rs:103:17 [INFO] [stdout] | [INFO] [stdout] 103 | let mut block_id: BlockId = 0; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `ret` is never read [INFO] [stdout] --> src/tree.rs:233:17 [INFO] [stdout] | [INFO] [stdout] 233 | let mut ret: Option = None; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `parent` [INFO] [stdout] --> src/tree.rs:231:38 [INFO] [stdout] | [INFO] [stdout] 231 | fn delete_helper(engine: *mut E, parent: &Cell>, block_id: BlockId, key: &K) -> Result> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `BPlusTree` is never constructed [INFO] [stdout] --> src/tree.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct BPlusTree [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `BPlusTreeNode` is never constructed [INFO] [stdout] --> src/tree.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct BPlusTreeNode { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `is_leaf`, `new_leaf`, and `new_inner` are never used [INFO] [stdout] --> src/tree.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 33 | impl BPlusTreeNode { [INFO] [stdout] | ----------------------------------- associated items in this implementation [INFO] [stdout] 34 | fn is_leaf(&self) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 38 | fn new_leaf(way: usize, parent: Option) -> BPlusTreeNode { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | fn new_inner(way: usize) -> BPlusTreeNode { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `block_id` is never read [INFO] [stdout] --> src/block.rs:103:17 [INFO] [stdout] | [INFO] [stdout] 103 | let mut block_id: BlockId = 0; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/tree.rs:72:12 [INFO] [stdout] | [INFO] [stdout] 65 | / impl BPlusTree [INFO] [stdout] 66 | | where [INFO] [stdout] 67 | | E: BlockEngine>, [INFO] [stdout] 68 | | K: Ord + Clone, [INFO] [stdout] 69 | | V: Clone, [INFO] [stdout] | |_____________- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 72 | pub fn new(way: usize, mut engine: E) -> BPlusTree { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 83 | pub fn search(&self, key: &K) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 87 | fn search_helper(&self, block_id: BlockId, key: &K) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 113 | pub fn insert(&mut self, key: K, value: V) -> Result<()> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 125 | fn insert_helper( [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 221 | pub fn delete(&mut self, key: &K) -> Result> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 231 | fn delete_helper(engine: *mut E, parent: &Cell>, block_id: BlockId, key: &K) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 261 | pub fn print_tree(&self) where K : Debug, V : Debug { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 265 | fn print_tree_helper(&self, block_id: BlockId, depth: usize) where K : Debug, V : Debug { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `alloc_block`, `alloc_write`, `fetch_read`, `fetch_write`, and `delete` are never used [INFO] [stdout] --> src/block.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 15 | pub trait BlockEngine { [INFO] [stdout] | ----------- methods in this trait [INFO] [stdout] 16 | type Item; [INFO] [stdout] 17 | fn alloc_block(&mut self) -> BlockId; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 18 | fn alloc_write(&mut self, item: Self::Item) -> Result { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | fn fetch_read(&self, block_id: BlockId) -> Result>; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 26 | fn fetch_write(&mut self, block_id: BlockId) -> Result>; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 27 | fn delete(&mut self, block_id: BlockId) -> Result>; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/block.rs:148:12 [INFO] [stdout] | [INFO] [stdout] 147 | impl MemoryBlockEngine { [INFO] [stdout] | ----------------------------- associated function in this implementation [INFO] [stdout] 148 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `way` is never read [INFO] [stdout] --> src/tree.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct BPlusTree [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 11 | way: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `prev` is never read [INFO] [stdout] --> src/tree.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct BPlusTreeNode { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 26 | prev: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_leaf` is never used [INFO] [stdout] --> src/tree.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 33 | impl BPlusTreeNode { [INFO] [stdout] | ----------------------------------- method in this implementation [INFO] [stdout] 34 | fn is_leaf(&self) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `delete` and `delete_helper` are never used [INFO] [stdout] --> src/tree.rs:221:12 [INFO] [stdout] | [INFO] [stdout] 65 | / impl BPlusTree [INFO] [stdout] 66 | | where [INFO] [stdout] 67 | | E: BlockEngine>, [INFO] [stdout] 68 | | K: Ord + Clone, [INFO] [stdout] 69 | | V: Clone, [INFO] [stdout] | |_____________- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 221 | pub fn delete(&mut self, key: &K) -> Result> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 231 | fn delete_helper(engine: *mut E, parent: &Cell>, block_id: BlockId, key: &K) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `delete` is never used [INFO] [stdout] --> src/block.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 15 | pub trait BlockEngine { [INFO] [stdout] | ----------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 27 | fn delete(&mut self, block_id: BlockId) -> Result>; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.66s [INFO] running `Command { std: "docker" "inspect" "b303b0979adc23ee55ff4fbe73f9ab7f726741f32f229e39b87e0b550240a240", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b303b0979adc23ee55ff4fbe73f9ab7f726741f32f229e39b87e0b550240a240", kill_on_drop: false }` [INFO] [stdout] b303b0979adc23ee55ff4fbe73f9ab7f726741f32f229e39b87e0b550240a240