[INFO] cloning repository https://github.com/CairBin/rs_db [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CairBin/rs_db" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCairBin%2Frs_db", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCairBin%2Frs_db'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0adefd8680b0f7aba709b2dd3fa3b57c1f816381 [INFO] building CairBin/rs_db against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCairBin%2Frs_db" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/CairBin/rs_db on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/CairBin/rs_db [INFO] finished tweaking git repo https://github.com/CairBin/rs_db [INFO] tweaked toml for git repo https://github.com/CairBin/rs_db written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/CairBin/rs_db 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9b44967420e2fd63380dfe26921753c3a55f36f821123ab4d2bc4de10bd054fd [INFO] running `Command { std: "docker" "start" "-a" "9b44967420e2fd63380dfe26921753c3a55f36f821123ab4d2bc4de10bd054fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9b44967420e2fd63380dfe26921753c3a55f36f821123ab4d2bc4de10bd054fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b44967420e2fd63380dfe26921753c3a55f36f821123ab4d2bc4de10bd054fd", kill_on_drop: false }` [INFO] [stdout] 9b44967420e2fd63380dfe26921753c3a55f36f821123ab4d2bc4de10bd054fd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dtail-expr-drop-order" "-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 68724cf74f93ee44554af0bdb248205fefbe8511f53d5a2df384bcc8acea55f6 [INFO] running `Command { std: "docker" "start" "-a" "68724cf74f93ee44554af0bdb248205fefbe8511f53d5a2df384bcc8acea55f6", kill_on_drop: false }` [INFO] [stderr] Compiling rs_db v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `is_new` is never read [INFO] [stdout] --> src/file_manager/mod.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct FileManager{ [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 13 | is_new: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FileManager` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/file_manager/page.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | self.set_bytes(offset, bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 58 | let _ = self.set_bytes(offset, bytes); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `FileManager` is never constructed [INFO] [stdout] --> src/file_manager/mod.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct FileManager{ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FileManager` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/file_manager/mod.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 17 | impl FileManager{ [INFO] [stdout] | ---------------- associated items in this implementation [INFO] [stdout] 18 | pub fn new(dir:&str, block_size:u64) -> Result>{ [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn to_mutex(self) -> std::sync::Mutex{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | pub fn to_rw_lock(self) -> std::sync::RwLock{ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 50 | fn set_file(&mut self, filename:&str) ->Result<(), Box> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 75 | pub fn get_file_mut(&mut self, filename:&str)->Option<&mut std::fs::File>{ [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 79 | pub fn get_file(&self, filename:&str)->Option<&std::fs::File>{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 83 | pub fn exists(&self, filename:&str) ->bool{ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 88 | pub fn get_block_size(&self)->u64{ [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 92 | pub fn read(manager: &std::sync::Mutex, block:&BlockId, page:&std::sync::Mutex)->Result>{ [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 114 | pub fn read_without_mutex(&mut self, block: &BlockId, page: &mut Page) -> Result >{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 129 | pub fn write(manager:&std::sync::Mutex, block:&BlockId, page:&std::sync::Mutex) -> ResultResult>{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 164 | pub fn block_num(&mut self, filename:&str)->Result>{ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 178 | pub fn append(&mut self, filename:&str) -> Result>{ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `get_block_number`, `get_filename`, `equal`, and `get_hash_code` are never used [INFO] [stdout] --> src/file_manager/block.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl BlockId{ [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 10 | pub fn new(filename:&str, block_number:u64) -> Self{ [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | pub fn get_block_number(&self) -> u64{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | pub fn get_filename(&self) -> &str{ [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | pub fn equal(&self, other:&Self) -> bool{ [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | pub fn get_hash_code(&self) -> u64{ [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Page` is never constructed [INFO] [stdout] --> src/file_manager/page.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Page{ [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Page` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/file_manager/page.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 8 | impl Page{ [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 9 | pub fn new_as_bytes(bytes:&[u8]) -> Self{ [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 15 | pub fn new_as_size(size:usize)->Self{ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | pub fn to_mutex(self) -> std::sync::Mutex{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | pub fn get_u64(&self, offset:usize)->Result>{ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 31 | pub fn set_u64(&mut self, offset:usize, val:u64)->Result<(),Box>{ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | pub fn get_bytes(&self, offset:usize) -> Result<&[u8],Box>{ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | pub fn set_bytes(&mut self, offset:usize, bytes:&[u8]) -> Result<(), Box>{ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | pub fn get_string(&self, offset:usize) -> Result<&str, Box>{ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 56 | pub fn set_string(&mut self, offset:usize, string:&str) -> Result<(), Box>{ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 64 | pub fn contents_mut(&mut self)->&mut [u8]{ [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 68 | pub fn contents(&self) -> &[u8]{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 73 | pub fn max_length_for_string(string:&str)->usize{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/file_manager/page.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | self.set_bytes(offset, bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 58 | let _ = self.set_bytes(offset, bytes); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s [INFO] running `Command { std: "docker" "inspect" "68724cf74f93ee44554af0bdb248205fefbe8511f53d5a2df384bcc8acea55f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68724cf74f93ee44554af0bdb248205fefbe8511f53d5a2df384bcc8acea55f6", kill_on_drop: false }` [INFO] [stdout] 68724cf74f93ee44554af0bdb248205fefbe8511f53d5a2df384bcc8acea55f6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dtail-expr-drop-order" "-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6e28cf5e73c1b31fb505c18acdcce50556173a6bd0dcfeb8e757160b4b844a74 [INFO] running `Command { std: "docker" "start" "-a" "6e28cf5e73c1b31fb505c18acdcce50556173a6bd0dcfeb8e757160b4b844a74", kill_on_drop: false }` [INFO] [stdout] warning: field `is_new` is never read [INFO] [stdout] --> src/file_manager/mod.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct FileManager{ [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 13 | is_new: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FileManager` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/file_manager/page.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | self.set_bytes(offset, bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 58 | let _ = self.set_bytes(offset, bytes); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rs_db v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `FileManager` is never constructed [INFO] [stdout] --> src/file_manager/mod.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct FileManager{ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FileManager` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/file_manager/mod.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 17 | impl FileManager{ [INFO] [stdout] | ---------------- associated items in this implementation [INFO] [stdout] 18 | pub fn new(dir:&str, block_size:u64) -> Result>{ [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn to_mutex(self) -> std::sync::Mutex{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | pub fn to_rw_lock(self) -> std::sync::RwLock{ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 50 | fn set_file(&mut self, filename:&str) ->Result<(), Box> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 75 | pub fn get_file_mut(&mut self, filename:&str)->Option<&mut std::fs::File>{ [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 79 | pub fn get_file(&self, filename:&str)->Option<&std::fs::File>{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 83 | pub fn exists(&self, filename:&str) ->bool{ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 88 | pub fn get_block_size(&self)->u64{ [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 92 | pub fn read(manager: &std::sync::Mutex, block:&BlockId, page:&std::sync::Mutex)->Result>{ [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 114 | pub fn read_without_mutex(&mut self, block: &BlockId, page: &mut Page) -> Result >{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 129 | pub fn write(manager:&std::sync::Mutex, block:&BlockId, page:&std::sync::Mutex) -> ResultResult>{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 164 | pub fn block_num(&mut self, filename:&str)->Result>{ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 178 | pub fn append(&mut self, filename:&str) -> Result>{ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `get_block_number`, `get_filename`, `equal`, and `get_hash_code` are never used [INFO] [stdout] --> src/file_manager/block.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl BlockId{ [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 10 | pub fn new(filename:&str, block_number:u64) -> Self{ [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | pub fn get_block_number(&self) -> u64{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | pub fn get_filename(&self) -> &str{ [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | pub fn equal(&self, other:&Self) -> bool{ [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | pub fn get_hash_code(&self) -> u64{ [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Page` is never constructed [INFO] [stdout] --> src/file_manager/page.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Page{ [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Page` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/file_manager/page.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 8 | impl Page{ [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 9 | pub fn new_as_bytes(bytes:&[u8]) -> Self{ [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 15 | pub fn new_as_size(size:usize)->Self{ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | pub fn to_mutex(self) -> std::sync::Mutex{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | pub fn get_u64(&self, offset:usize)->Result>{ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 31 | pub fn set_u64(&mut self, offset:usize, val:u64)->Result<(),Box>{ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | pub fn get_bytes(&self, offset:usize) -> Result<&[u8],Box>{ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | pub fn set_bytes(&mut self, offset:usize, bytes:&[u8]) -> Result<(), Box>{ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | pub fn get_string(&self, offset:usize) -> Result<&str, Box>{ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 56 | pub fn set_string(&mut self, offset:usize, string:&str) -> Result<(), Box>{ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 64 | pub fn contents_mut(&mut self)->&mut [u8]{ [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 68 | pub fn contents(&self) -> &[u8]{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 73 | pub fn max_length_for_string(string:&str)->usize{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/file_manager/page.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | self.set_bytes(offset, bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 58 | let _ = self.set_bytes(offset, bytes); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> tests/logger_test.rs:1:27 [INFO] [stdout] | [INFO] [stdout] 1 | use rs_db::file_manager::{self, FileManager}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> tests/logger_test.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | self, Logger, U64_BYTES [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rs_db::file_manager::page::Page as Page` [INFO] [stdout] --> tests/file_manager_test.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use rs_db::file_manager::page::Page as Page; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rs_db::file_manager::block::BlockId as BlockId` [INFO] [stdout] --> tests/file_manager_test.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use rs_db::file_manager::block::BlockId as BlockId; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/page_test.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | let mut page = file_manager::page::Page::new_as_bytes(&bytes); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `FileManager` is never constructed [INFO] [stdout] --> src/file_manager/mod.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct FileManager{ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FileManager` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/file_manager/mod.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 17 | impl FileManager{ [INFO] [stdout] | ---------------- associated items in this implementation [INFO] [stdout] 18 | pub fn new(dir:&str, block_size:u64) -> Result>{ [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn to_mutex(self) -> std::sync::Mutex{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | pub fn to_rw_lock(self) -> std::sync::RwLock{ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 50 | fn set_file(&mut self, filename:&str) ->Result<(), Box> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 75 | pub fn get_file_mut(&mut self, filename:&str)->Option<&mut std::fs::File>{ [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 79 | pub fn get_file(&self, filename:&str)->Option<&std::fs::File>{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 83 | pub fn exists(&self, filename:&str) ->bool{ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 88 | pub fn get_block_size(&self)->u64{ [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 92 | pub fn read(manager: &std::sync::Mutex, block:&BlockId, page:&std::sync::Mutex)->Result>{ [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 114 | pub fn read_without_mutex(&mut self, block: &BlockId, page: &mut Page) -> Result >{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 129 | pub fn write(manager:&std::sync::Mutex, block:&BlockId, page:&std::sync::Mutex) -> ResultResult>{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 164 | pub fn block_num(&mut self, filename:&str)->Result>{ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 178 | pub fn append(&mut self, filename:&str) -> Result>{ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `get_block_number`, `get_filename`, `equal`, and `get_hash_code` are never used [INFO] [stdout] --> src/file_manager/block.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl BlockId{ [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 10 | pub fn new(filename:&str, block_number:u64) -> Self{ [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | pub fn get_block_number(&self) -> u64{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | pub fn get_filename(&self) -> &str{ [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | pub fn equal(&self, other:&Self) -> bool{ [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | pub fn get_hash_code(&self) -> u64{ [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Page` is never constructed [INFO] [stdout] --> src/file_manager/page.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Page{ [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Page` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/file_manager/page.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 8 | impl Page{ [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 9 | pub fn new_as_bytes(bytes:&[u8]) -> Self{ [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 15 | pub fn new_as_size(size:usize)->Self{ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | pub fn to_mutex(self) -> std::sync::Mutex{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | pub fn get_u64(&self, offset:usize)->Result>{ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 31 | pub fn set_u64(&mut self, offset:usize, val:u64)->Result<(),Box>{ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | pub fn get_bytes(&self, offset:usize) -> Result<&[u8],Box>{ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | pub fn set_bytes(&mut self, offset:usize, bytes:&[u8]) -> Result<(), Box>{ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | pub fn get_string(&self, offset:usize) -> Result<&str, Box>{ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 56 | pub fn set_string(&mut self, offset:usize, string:&str) -> Result<(), Box>{ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 64 | pub fn contents_mut(&mut self)->&mut [u8]{ [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 68 | pub fn contents(&self) -> &[u8]{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 73 | pub fn max_length_for_string(string:&str)->usize{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/file_manager/page.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | self.set_bytes(offset, bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 58 | let _ = self.set_bytes(offset, bytes); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `is_new` is never read [INFO] [stdout] --> src/file_manager/mod.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct FileManager{ [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 13 | is_new: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FileManager` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/file_manager/page.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | self.set_bytes(offset, bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 58 | let _ = self.set_bytes(offset, bytes); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s [INFO] running `Command { std: "docker" "inspect" "6e28cf5e73c1b31fb505c18acdcce50556173a6bd0dcfeb8e757160b4b844a74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e28cf5e73c1b31fb505c18acdcce50556173a6bd0dcfeb8e757160b4b844a74", kill_on_drop: false }` [INFO] [stdout] 6e28cf5e73c1b31fb505c18acdcce50556173a6bd0dcfeb8e757160b4b844a74