[INFO] cloning repository https://github.com/kzbt/kzdb [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kzbt/kzdb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkzbt%2Fkzdb", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkzbt%2Fkzdb'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] db621549346591ad9974938dc517ec913d4350ec [INFO] checking kzbt/kzdb against try#6db1a6a7ebb2ad243051f3ff949f987dd70cde2b+rustflags=-Dreturn-local-variable-ptr for pr-134218 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkzbt%2Fkzdb" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kzbt/kzdb on toolchain 6db1a6a7ebb2ad243051f3ff949f987dd70cde2b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kzbt/kzdb [INFO] finished tweaking git repo https://github.com/kzbt/kzdb [INFO] tweaked toml for git repo https://github.com/kzbt/kzdb written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/kzbt/kzdb 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" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 680f9e7460f3f2da41474e5d6b3ffe4d2f24f3c9de157a27e3b8d8f8b90a00d9 [INFO] running `Command { std: "docker" "start" "-a" "680f9e7460f3f2da41474e5d6b3ffe4d2f24f3c9de157a27e3b8d8f8b90a00d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "680f9e7460f3f2da41474e5d6b3ffe4d2f24f3c9de157a27e3b8d8f8b90a00d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "680f9e7460f3f2da41474e5d6b3ffe4d2f24f3c9de157a27e3b8d8f8b90a00d9", kill_on_drop: false }` [INFO] [stdout] 680f9e7460f3f2da41474e5d6b3ffe4d2f24f3c9de157a27e3b8d8f8b90a00d9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dreturn-local-variable-ptr" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2b7ce93723ad63fc0256bdfb8d170ec9f3e876ccb21dd58d16e6c55542a44dcc [INFO] running `Command { std: "docker" "start" "-a" "2b7ce93723ad63fc0256bdfb8d170ec9f3e876ccb21dd58d16e6c55542a44dcc", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Compiling crossbeam-utils v0.8.7 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Checking once_cell v1.10.0 [INFO] [stderr] Checking predicates-core v1.0.3 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling anyhow v1.0.56 [INFO] [stderr] Checking termtree v0.2.4 [INFO] [stderr] Checking difflib v0.4.0 [INFO] [stderr] Checking fastrand v1.7.0 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking predicates-tree v1.0.5 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking thread_local v1.1.4 [INFO] [stderr] Checking kzdb v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `keys` [INFO] [stdout] --> src/btree/btree.rs:49:25 [INFO] [stdout] | [INFO] [stdout] 49 | fn split(&mut self, keys: &Vec, values: &Vec) {} [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_keys` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `values` [INFO] [stdout] --> src/btree/btree.rs:49:40 [INFO] [stdout] | [INFO] [stdout] 49 | fn split(&mut self, keys: &Vec, values: &Vec) {} [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `keys` [INFO] [stdout] --> src/btree/node.rs:120:27 [INFO] [stdout] | [INFO] [stdout] 120 | Node::Inner { keys, nodes } => (key, Node::leaf(), Node::leaf()), [INFO] [stdout] | ^^^^ help: try ignoring the field: `keys: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `nodes` [INFO] [stdout] --> src/btree/node.rs:120:33 [INFO] [stdout] | [INFO] [stdout] 120 | Node::Inner { keys, nodes } => (key, Node::leaf(), Node::leaf()), [INFO] [stdout] | ^^^^^ help: try ignoring the field: `nodes: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dm` [INFO] [stdout] --> src/main.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let dm = DiskManager::new(db_path); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_dm` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Searchable` is never used [INFO] [stdout] --> src/btree/mod.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | trait Searchable { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `TREE_ORDER` is never used [INFO] [stdout] --> src/btree/btree.rs:3:11 [INFO] [stdout] | [INFO] [stdout] 3 | pub const TREE_ORDER: usize = 16; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Btree` is never constructed [INFO] [stdout] --> src/btree/btree.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Btree { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Btree` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `with_capacity`, `is_empty`, `insert`, and `split` are never used [INFO] [stdout] --> src/btree/btree.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 11 | / impl Btree [INFO] [stdout] 12 | | where [INFO] [stdout] 13 | | K: Copy + PartialEq + PartialOrd + std::fmt::Debug, [INFO] [stdout] 14 | | V: Clone + std::fmt::Debug, [INFO] [stdout] | |_______________________________- associated items in this implementation [INFO] [stdout] 15 | { [INFO] [stdout] 16 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | pub fn with_capacity(capacity: usize) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | fn insert(&mut self, key: K, value: V) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | fn split(&mut self, keys: &Vec, values: &Vec) {} [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `NODE_CAPACITY` is never used [INFO] [stdout] --> src/btree/node.rs:3:7 [INFO] [stdout] | [INFO] [stdout] 3 | const NODE_CAPACITY: usize = TREE_ORDER - 1; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Kv` is never constructed [INFO] [stdout] --> src/btree/node.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct Kv { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/btree/node.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl Kv { [INFO] [stdout] | ------------------- associated function in this implementation [INFO] [stdout] 11 | pub fn new(key: K, value: V) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Node` is never used [INFO] [stdout] --> src/btree/node.rs:17:10 [INFO] [stdout] | [INFO] [stdout] 17 | pub enum Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `SplitNodes` is never used [INFO] [stdout] --> src/btree/node.rs:28:6 [INFO] [stdout] | [INFO] [stdout] 28 | type SplitNodes = (K, Node, Node); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `inner`, `leaf`, `leaf_with_cap`, `insert`, `insert_empty_inner`, and `split` are never used [INFO] [stdout] --> src/btree/node.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 30 | / impl Node [INFO] [stdout] 31 | | where [INFO] [stdout] 32 | | K: Copy + PartialOrd + PartialEq + std::fmt::Debug, [INFO] [stdout] 33 | | V: Clone, [INFO] [stdout] | |_____________- associated items in this implementation [INFO] [stdout] 34 | { [INFO] [stdout] 35 | pub fn inner() -> Self { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn leaf() -> Self { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | pub fn leaf_with_cap(capacity: usize) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 56 | pub fn insert(&mut self, key: K, value: V) -> Result<(), SplitNodes> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 86 | pub fn insert_empty_inner(&mut self, key: K, mut ns: Vec>) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 93 | fn split(&mut self, idx: usize, key: K, value: V) -> SplitNodes { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `PAGE_SIZE` is never used [INFO] [stdout] --> src/storage/mod.rs:9:7 [INFO] [stdout] | [INFO] [stdout] 9 | const PAGE_SIZE: u32 = 8192; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Storage` is never used [INFO] [stdout] --> src/storage/mod.rs:23:11 [INFO] [stdout] | [INFO] [stdout] 23 | pub trait Storage { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `BUFFER_POOL_SIZE` is never used [INFO] [stdout] --> src/storage/bufferpool.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | const BUFFER_POOL_SIZE: usize = 2000; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `BufferPool` is never constructed [INFO] [stdout] --> src/storage/bufferpool.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct BufferPool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/storage/bufferpool.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 13 | impl BufferPool { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] 14 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `file` is never read [INFO] [stdout] --> src/storage/disk.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct DiskManager { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 15 | file: File, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `read_page` and `write_page` are never used [INFO] [stdout] --> src/storage/disk.rs:31:12 [INFO] [stdout] | [INFO] [stdout] 18 | impl DiskManager { [INFO] [stdout] | ---------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 31 | pub fn read_page(&mut self, pgid: PageId, buf: &mut [u8]) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 38 | pub fn write_page(&mut self, pgid: PageId, buf: &[u8]) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `ZERO_U32` is never used [INFO] [stdout] --> src/storage/page.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | const ZERO_U32: [u8; 4] = 0u32.to_be_bytes(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `HEADER_SIZE` is never used [INFO] [stdout] --> src/storage/page.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | const HEADER_SIZE: usize = size_of::(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `PageHeader` is never constructed [INFO] [stdout] --> src/storage/page.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct PageHeader { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `write_to` is never used [INFO] [stdout] --> src/storage/page.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 16 | impl PageHeader { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] 17 | fn write_to(&self, buffer: &mut [u8]) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Tuple` is never constructed [INFO] [stdout] --> src/storage/page.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 37 | pub struct Tuple { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Page` is never constructed [INFO] [stdout] --> src/storage/page.rs:42:12 [INFO] [stdout] | [INFO] [stdout] 42 | pub struct Page { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `insert_tuple`, and `update_header` are never used [INFO] [stdout] --> src/storage/page.rs:50:8 [INFO] [stdout] | [INFO] [stdout] 49 | impl Page { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 50 | fn new(pgid: PageId, prev_page: Option) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 67 | fn insert_tuple(&mut self, tuple: &Tuple) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 78 | fn update_header(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking tempfile v3.3.0 [INFO] [stderr] Checking predicates v2.1.1 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetaoj6nOf" [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `regex` (lib) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "2b7ce93723ad63fc0256bdfb8d170ec9f3e876ccb21dd58d16e6c55542a44dcc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b7ce93723ad63fc0256bdfb8d170ec9f3e876ccb21dd58d16e6c55542a44dcc", kill_on_drop: false }` [INFO] [stdout] 2b7ce93723ad63fc0256bdfb8d170ec9f3e876ccb21dd58d16e6c55542a44dcc