[INFO] cloning repository https://github.com/Guocork/kv-storage [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Guocork/kv-storage" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGuocork%2Fkv-storage", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGuocork%2Fkv-storage'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e492067a317dd3cfb43f680b44623eb285c2a578 [INFO] checking Guocork/kv-storage against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGuocork%2Fkv-storage" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Guocork/kv-storage on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Guocork/kv-storage [INFO] finished tweaking git repo https://github.com/Guocork/kv-storage [INFO] tweaked toml for git repo https://github.com/Guocork/kv-storage written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Guocork/kv-storage 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded fs4 v0.8.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cbd7997b615325026f8b4f1fcf537536b9ad13eb77664bec0b62f926ff1ac458 [INFO] running `Command { std: "docker" "start" "-a" "cbd7997b615325026f8b4f1fcf537536b9ad13eb77664bec0b62f926ff1ac458", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cbd7997b615325026f8b4f1fcf537536b9ad13eb77664bec0b62f926ff1ac458", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cbd7997b615325026f8b4f1fcf537536b9ad13eb77664bec0b62f926ff1ac458", kill_on_drop: false }` [INFO] [stdout] cbd7997b615325026f8b4f1fcf537536b9ad13eb77664bec0b62f926ff1ac458 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7cdb98f7cdeeb3a204e91ebe1119632957f4e2b43d2b173b8bb2ece21b799821 [INFO] running `Command { std: "docker" "start" "-a" "7cdb98f7cdeeb3a204e91ebe1119632957f4e2b43d2b173b8bb2ece21b799821", kill_on_drop: false }` [INFO] [stderr] Compiling rustix v0.38.34 [INFO] [stderr] Checking bitflags v2.5.0 [INFO] [stderr] Checking linux-raw-sys v0.4.14 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking fs4 v0.8.3 [INFO] [stderr] Checking kv-storage v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `BufReader`, `BufWriter`, `SeekFrom`, `Seek`, `collections::btree_map`, `error`, `ops::Bound`, and `self` [INFO] [stdout] --> src/lib.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | collections::btree_map, error, io::{BufReader, BufWriter, Read, Seek, SeekFrom, Write}, ops::Bound, path::{self, PathBuf} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ ^^^^^ ^^^^^^^^^ ^^^^^^^^^ ^^^^ ^^^^^^^^ ^^^^^^^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BufReader`, `BufWriter`, `SeekFrom`, `Seek`, `collections::btree_map`, `error`, `ops::Bound`, and `self` [INFO] [stdout] --> src/lib.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | collections::btree_map, error, io::{BufReader, BufWriter, Read, Seek, SeekFrom, Write}, ops::Bound, path::{self, PathBuf} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ ^^^^^ ^^^^^^^^^ ^^^^^^^^^ ^^^^ ^^^^^^^^ ^^^^^^^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/lib.rs:3:85 [INFO] [stdout] | [INFO] [stdout] 3 | collections::btree_map, error, io::{BufReader, BufWriter, Read, Seek, SeekFrom, Write}, ops::Bound, path::{self, PathBuf} [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/lib.rs:3:63 [INFO] [stdout] | [INFO] [stdout] 3 | collections::btree_map, error, io::{BufReader, BufWriter, Read, Seek, SeekFrom, Write}, ops::Bound, path::{self, PathBuf} [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/lib.rs:3:85 [INFO] [stdout] | [INFO] [stdout] 3 | collections::btree_map, error, io::{BufReader, BufWriter, Read, Seek, SeekFrom, Write}, ops::Bound, path::{self, PathBuf} [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/lib.rs:3:63 [INFO] [stdout] | [INFO] [stdout] 3 | collections::btree_map, error, io::{BufReader, BufWriter, Read, Seek, SeekFrom, Write}, ops::Bound, path::{self, PathBuf} [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `KEY_VAL_HEADER_LEN` is never used [INFO] [stdout] --> src/lib.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | const KEY_VAL_HEADER_LEN: u32 = 4; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `KEY_VAL_HEADER_LEN` is never used [INFO] [stdout] --> src/lib.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | const KEY_VAL_HEADER_LEN: u32 = 4; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `MERGE_FILE_EXT` is never used [INFO] [stdout] --> src/lib.rs:7:7 [INFO] [stdout] | [INFO] [stdout] 7 | const MERGE_FILE_EXT: &str = "merge"; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `MERGE_FILE_EXT` is never used [INFO] [stdout] --> src/lib.rs:7:7 [INFO] [stdout] | [INFO] [stdout] 7 | const MERGE_FILE_EXT: &str = "merge"; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `path` and `file` are never read [INFO] [stdout] --> src/lib.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 14 | struct Log { [INFO] [stdout] | --- fields in this struct [INFO] [stdout] 15 | path: PathBuf, // 路径缓冲区 let path1 = PathBuf::from("some/directory/file.txt"); PathBuf 本身是用于表示单个文件系统路径 ... [INFO] [stdout] | ^^^^ [INFO] [stdout] 16 | file: std::fs::File // File 结构体允许你打开、创建、读取和写入文件。 [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `path` and `file` are never read [INFO] [stdout] --> src/lib.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 14 | struct Log { [INFO] [stdout] | --- fields in this struct [INFO] [stdout] 15 | path: PathBuf, // 路径缓冲区 let path1 = PathBuf::from("some/directory/file.txt"); PathBuf 本身是用于表示单个文件系统路径 ... [INFO] [stdout] | ^^^^ [INFO] [stdout] 16 | file: std::fs::File // File 结构体允许你打开、创建、读取和写入文件。 [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `log` and `keydir` are never read [INFO] [stdout] --> src/lib.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct MiniBitcask { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 20 | log: Log, [INFO] [stdout] | ^^^ [INFO] [stdout] 21 | keydir: KeyDir [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/lib.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 24 | impl Log { [INFO] [stdout] | -------- associated function in this implementation [INFO] [stdout] 25 | fn new(path: PathBuf) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `log` and `keydir` are never read [INFO] [stdout] --> src/lib.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct MiniBitcask { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 20 | log: Log, [INFO] [stdout] | ^^^ [INFO] [stdout] 21 | keydir: KeyDir [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/lib.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 24 | impl Log { [INFO] [stdout] | -------- associated function in this implementation [INFO] [stdout] 25 | fn new(path: PathBuf) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.65s [INFO] running `Command { std: "docker" "inspect" "7cdb98f7cdeeb3a204e91ebe1119632957f4e2b43d2b173b8bb2ece21b799821", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7cdb98f7cdeeb3a204e91ebe1119632957f4e2b43d2b173b8bb2ece21b799821", kill_on_drop: false }` [INFO] [stdout] 7cdb98f7cdeeb3a204e91ebe1119632957f4e2b43d2b173b8bb2ece21b799821 [INFO] checking Guocork/kv-storage against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGuocork%2Fkv-storage" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Guocork/kv-storage on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Guocork/kv-storage [INFO] finished tweaking git repo https://github.com/Guocork/kv-storage [INFO] tweaked toml for git repo https://github.com/Guocork/kv-storage written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Guocork/kv-storage 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 831d1656044b0d08f02c1a7563007902b7a2fab41ce3f62e125bf037f22da411 [INFO] running `Command { std: "docker" "start" "-a" "831d1656044b0d08f02c1a7563007902b7a2fab41ce3f62e125bf037f22da411", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "831d1656044b0d08f02c1a7563007902b7a2fab41ce3f62e125bf037f22da411", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "831d1656044b0d08f02c1a7563007902b7a2fab41ce3f62e125bf037f22da411", kill_on_drop: false }` [INFO] [stdout] 831d1656044b0d08f02c1a7563007902b7a2fab41ce3f62e125bf037f22da411 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 339b2ca966632ecd8362078c5b762d1dc69e5c7de5498203720484ada79dfaeb [INFO] running `Command { std: "docker" "start" "-a" "339b2ca966632ecd8362078c5b762d1dc69e5c7de5498203720484ada79dfaeb", kill_on_drop: false }` [INFO] [stderr] Compiling rustix v0.38.34 [INFO] [stderr] Checking bitflags v2.5.0 [INFO] [stderr] Checking linux-raw-sys v0.4.14 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking fs4 v0.8.3 [INFO] [stderr] Checking kv-storage v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `BufReader`, `BufWriter`, `SeekFrom`, `Seek`, `collections::btree_map`, `error`, `ops::Bound`, and `self` [INFO] [stdout] --> src/lib.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | collections::btree_map, error, io::{BufReader, BufWriter, Read, Seek, SeekFrom, Write}, ops::Bound, path::{self, PathBuf} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ ^^^^^ ^^^^^^^^^ ^^^^^^^^^ ^^^^ ^^^^^^^^ ^^^^^^^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BufReader`, `BufWriter`, `SeekFrom`, `Seek`, `collections::btree_map`, `error`, `ops::Bound`, and `self` [INFO] [stdout] --> src/lib.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | collections::btree_map, error, io::{BufReader, BufWriter, Read, Seek, SeekFrom, Write}, ops::Bound, path::{self, PathBuf} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ ^^^^^ ^^^^^^^^^ ^^^^^^^^^ ^^^^ ^^^^^^^^ ^^^^^^^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/lib.rs:3:85 [INFO] [stdout] | [INFO] [stdout] 3 | collections::btree_map, error, io::{BufReader, BufWriter, Read, Seek, SeekFrom, Write}, ops::Bound, path::{self, PathBuf} [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/lib.rs:3:63 [INFO] [stdout] | [INFO] [stdout] 3 | collections::btree_map, error, io::{BufReader, BufWriter, Read, Seek, SeekFrom, Write}, ops::Bound, path::{self, PathBuf} [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/lib.rs:3:85 [INFO] [stdout] | [INFO] [stdout] 3 | collections::btree_map, error, io::{BufReader, BufWriter, Read, Seek, SeekFrom, Write}, ops::Bound, path::{self, PathBuf} [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/lib.rs:3:63 [INFO] [stdout] | [INFO] [stdout] 3 | collections::btree_map, error, io::{BufReader, BufWriter, Read, Seek, SeekFrom, Write}, ops::Bound, path::{self, PathBuf} [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `KEY_VAL_HEADER_LEN` is never used [INFO] [stdout] --> src/lib.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | const KEY_VAL_HEADER_LEN: u32 = 4; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `MERGE_FILE_EXT` is never used [INFO] [stdout] --> src/lib.rs:7:7 [INFO] [stdout] | [INFO] [stdout] 7 | const MERGE_FILE_EXT: &str = "merge"; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `path` and `file` are never read [INFO] [stdout] --> src/lib.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 14 | struct Log { [INFO] [stdout] | --- fields in this struct [INFO] [stdout] 15 | path: PathBuf, // 路径缓冲区 let path1 = PathBuf::from("some/directory/file.txt"); PathBuf 本身是用于表示单个文件系统路径 ... [INFO] [stdout] | ^^^^ [INFO] [stdout] 16 | file: std::fs::File // File 结构体允许你打开、创建、读取和写入文件。 [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `KEY_VAL_HEADER_LEN` is never used [INFO] [stdout] --> src/lib.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | const KEY_VAL_HEADER_LEN: u32 = 4; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `log` and `keydir` are never read [INFO] [stdout] --> src/lib.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct MiniBitcask { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 20 | log: Log, [INFO] [stdout] | ^^^ [INFO] [stdout] 21 | keydir: KeyDir [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/lib.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 24 | impl Log { [INFO] [stdout] | -------- associated function in this implementation [INFO] [stdout] 25 | fn new(path: PathBuf) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `MERGE_FILE_EXT` is never used [INFO] [stdout] --> src/lib.rs:7:7 [INFO] [stdout] | [INFO] [stdout] 7 | const MERGE_FILE_EXT: &str = "merge"; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `path` and `file` are never read [INFO] [stdout] --> src/lib.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 14 | struct Log { [INFO] [stdout] | --- fields in this struct [INFO] [stdout] 15 | path: PathBuf, // 路径缓冲区 let path1 = PathBuf::from("some/directory/file.txt"); PathBuf 本身是用于表示单个文件系统路径 ... [INFO] [stdout] | ^^^^ [INFO] [stdout] 16 | file: std::fs::File // File 结构体允许你打开、创建、读取和写入文件。 [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `log` and `keydir` are never read [INFO] [stdout] --> src/lib.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct MiniBitcask { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 20 | log: Log, [INFO] [stdout] | ^^^ [INFO] [stdout] 21 | keydir: KeyDir [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/lib.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 24 | impl Log { [INFO] [stdout] | -------- associated function in this implementation [INFO] [stdout] 25 | fn new(path: PathBuf) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.80s [INFO] running `Command { std: "docker" "inspect" "339b2ca966632ecd8362078c5b762d1dc69e5c7de5498203720484ada79dfaeb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "339b2ca966632ecd8362078c5b762d1dc69e5c7de5498203720484ada79dfaeb", kill_on_drop: false }` [INFO] [stdout] 339b2ca966632ecd8362078c5b762d1dc69e5c7de5498203720484ada79dfaeb