[INFO] cloning repository https://github.com/laohanlinux/bitcask-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/laohanlinux/bitcask-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaohanlinux%2Fbitcask-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaohanlinux%2Fbitcask-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00550b0c19f44a315bfda313e92835537625c3ee
[INFO] testing laohanlinux/bitcask-rs against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaohanlinux%2Fbitcask-rs" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/laohanlinux/bitcask-rs on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/laohanlinux/bitcask-rs
[INFO] finished tweaking git repo https://github.com/laohanlinux/bitcask-rs
[INFO] tweaked toml for git repo https://github.com/laohanlinux/bitcask-rs written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate git repo https://github.com/laohanlinux/bitcask-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93885792c856b968f1ed0b096d5be1f78c0b2e4959edfd97e15da09856cafb6c
[INFO] running `Command { std: "docker" "start" "-a" "93885792c856b968f1ed0b096d5be1f78c0b2e4959edfd97e15da09856cafb6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93885792c856b968f1ed0b096d5be1f78c0b2e4959edfd97e15da09856cafb6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93885792c856b968f1ed0b096d5be1f78c0b2e4959edfd97e15da09856cafb6c", kill_on_drop: false }`
[INFO] [stdout] 93885792c856b968f1ed0b096d5be1f78c0b2e4959edfd97e15da09856cafb6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5931c8bffebbe1dee231d52011f068023af3ce96f7b75c3b8c30cc223b43fbe
[INFO] running `Command { std: "docker" "start" "-a" "f5931c8bffebbe1dee231d52011f068023af3ce96f7b75c3b8c30cc223b43fbe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling crossbeam-utils v0.8.6
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.6
[INFO] [stderr]    Compiling crossbeam-queue v0.3.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_json v1.0.74
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling crc-catalog v1.1.1
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling crc v2.1.0
[INFO] [stderr]    Compiling qp-trie v0.7.7
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.8
[INFO] [stderr]    Compiling crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling fslock v0.2.1
[INFO] [stderr]    Compiling filename v0.1.1
[INFO] [stderr]    Compiling fd-lock v3.0.2
[INFO] [stderr]    Compiling crossbeam v0.8.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling bitcask-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(associated_type_defaults)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(unboxed_closures)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(path_file_prefix)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(path_try_exists)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(seek_stream_len)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(thread_id_value)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FileType`, `File`
[INFO] [stdout]  --> src/config.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs::{File, FileType};
[INFO] [stdout]   |               ^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NoMoreData`
[INFO] [stdout]  --> src/data_file.rs:4:34
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::error::BitCaskError::{NoMoreData, UnexpectedError};
[INFO] [stdout]   |                                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BitCaskError`
[INFO] [stdout]  --> src/data_file.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::error::{BitCaskError, Result};
[INFO] [stdout]   |                    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::hint::Hint`
[INFO] [stdout]  --> src/data_file.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::hint::Hint;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Indexer`
[INFO] [stdout]  --> src/data_file.rs:7:32
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::radix_tree::{Index, Indexer};
[INFO] [stdout]   |                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BorrowMut`, `Borrow`
[INFO] [stdout]   --> src/data_file.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::borrow::{Borrow, BorrowMut};
[INFO] [stdout]    |                   ^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]   --> src/data_file.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::cell::RefCell;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::SeekFrom::End`
[INFO] [stdout]   --> src/data_file.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::io::SeekFrom::End;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bytes::Bytes`
[INFO] [stdout]  --> src/entry.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use bytes::Bytes;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::debug`
[INFO] [stdout]  --> src/entry.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use log::debug;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RefCell`, `RefMut`
[INFO] [stdout]  --> src/entry.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::cell::{RefCell, RefMut};
[INFO] [stdout]   |                 ^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/entry.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::SeekFrom::Current`
[INFO] [stdout]   --> src/entry.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::io::SeekFrom::Current;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufReader`
[INFO] [stdout]   --> src/entry.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::io::{BufReader, BufWriter, Cursor, Read, Write};
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BigEndian` is imported redundantly
[INFO] [stdout]    --> src/entry.rs:134:25
[INFO] [stdout]     |
[INFO] [stdout] 4   | use byteorder::{BigEndian, ReadBytesExt, WriteBytesExt};
[INFO] [stdout]     |                 --------- the item `BigEndian` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 134 |         use byteorder::{BigEndian, ReadBytesExt};
[INFO] [stdout]     |                         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ReadBytesExt` is imported redundantly
[INFO] [stdout]    --> src/entry.rs:134:36
[INFO] [stdout]     |
[INFO] [stdout] 4   | use byteorder::{BigEndian, ReadBytesExt, WriteBytesExt};
[INFO] [stdout]     |                            ------------ the item `ReadBytesExt` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 134 |         use byteorder::{BigEndian, ReadBytesExt};
[INFO] [stdout]     |                                    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Bytes` is imported redundantly
[INFO] [stdout]    --> src/entry.rs:135:13
[INFO] [stdout]     |
[INFO] [stdout] 5   | use bytes::Bytes;
[INFO] [stdout]     |     ------------ the item `Bytes` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 135 |         use bytes::Bytes;
[INFO] [stdout]     |             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bytes::Bytes`
[INFO] [stdout]    --> src/entry.rs:135:13
[INFO] [stdout]     |
[INFO] [stdout] 135 |         use bytes::Bytes;
[INFO] [stdout]     |             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `KeyValue`
[INFO] [stdout]  --> src/hint.rs:1:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::codec::{Decode, Encode, KeyValue};
[INFO] [stdout]   |                                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `kv_log_macro::debug`
[INFO] [stdout]  --> src/hint.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use kv_log_macro::debug;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Seek`
[INFO] [stdout]  --> src/hint.rs:7:29
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::{Cursor, Read, Seek, Write};
[INFO] [stdout]   |                             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::info`
[INFO] [stdout]  --> src/hint.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use log::info;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/key_value.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |         use std::io::Write;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/key_value.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         use std::io::Write;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/key_value.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         use std::io::Write;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/metadata.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Bytes`
[INFO] [stdout]  --> src/metadata.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::Bytes;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr::write_bytes`
[INFO] [stdout]  --> src/metadata.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::ptr::write_bytes;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `KeyValue`
[INFO] [stdout]  --> src/radix_tree.rs:1:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::codec::{Decode, Encode, KeyValue};
[INFO] [stdout]   |                                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::entry::Entry`
[INFO] [stdout]  --> src/radix_tree.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::entry::Entry;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::error::BitCaskError::NoMoreData`
[INFO] [stdout]  --> src/radix_tree.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::error::BitCaskError::NoMoreData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::hint::Hint`
[INFO] [stdout]  --> src/radix_tree.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::hint::Hint;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::de::Unexpected::Bytes`
[INFO] [stdout]  --> src/radix_tree.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use serde::de::Unexpected::Bytes;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]   --> src/radix_tree.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 | use serde::{Deserialize, Serialize};
[INFO] [stdout]    |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]   --> src/radix_tree.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::borrow::Borrow;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]   --> src/radix_tree.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::error::Error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `File`
[INFO] [stdout]   --> src/radix_tree.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::fs::{File, OpenOptions};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `SeekFrom`, `Seek`
[INFO] [stdout]   --> src/radix_tree.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::io::{BufReader, BufWriter, Cursor, Read, Seek, SeekFrom, Write};
[INFO] [stdout]    |               ^^^^^^^^^                           ^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]   --> src/radix_tree.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::ops::Deref;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]   --> src/radix_tree.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::sync::{Arc, Mutex};
[INFO] [stdout]    |                 ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::spawn`
[INFO] [stdout]   --> src/radix_tree.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::thread::spawn;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Decode`, `Encode`
[INFO] [stdout]  --> src/recover.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::codec::{Decode, Encode};
[INFO] [stdout]   |                    ^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::entry::Entry`
[INFO] [stdout]  --> src/recover.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::entry::Entry;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BitCaskError`
[INFO] [stdout]  --> src/recover.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::error::{BitCaskError, Result};
[INFO] [stdout]   |                    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Config`
[INFO] [stdout]  --> src/recover.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{config, Config};
[INFO] [stdout]   |                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `warn`
[INFO] [stdout]  --> src/recover.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 | use log::{debug, warn};
[INFO] [stdout]   |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/recover.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `File`
[INFO] [stdout]   --> src/recover.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::fs::{remove_file, File};
[INFO] [stdout]    |                            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BitCask`
[INFO] [stdout]  --> src/util.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{BitCask, UnexpectedError};
[INFO] [stdout]   |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/util.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `expire_key`
[INFO] [stdout]   --> src/lib.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 | use crate::util::{expire_hint, expire_key, load_index_from_data_file};
[INFO] [stdout]    |                                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crossbeam::sync::WaitGroup`
[INFO] [stdout]   --> src/lib.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | use crossbeam::sync::WaitGroup;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]   --> src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | use std::cell::RefCell;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Debug`
[INFO] [stdout]   --> src/lib.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | use std::fmt::Debug;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File`, `OpenOptions`
[INFO] [stdout]   --> src/lib.rs:40:36
[INFO] [stdout]    |
[INFO] [stdout] 40 | use std::fs::{remove_file, rename, File, OpenOptions};
[INFO] [stdout]    |                                    ^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AtomicBool`, `Ordering`
[INFO] [stdout]   --> src/lib.rs:43:25
[INFO] [stdout]    |
[INFO] [stdout] 43 | use std::sync::atomic::{AtomicBool, Ordering};
[INFO] [stdout]    |                         ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Once`
[INFO] [stdout]   --> src/lib.rs:44:41
[INFO] [stdout]    |
[INFO] [stdout] 44 | use std::sync::{Arc, Mutex, MutexGuard, Once};
[INFO] [stdout]    |                                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `JoinHandle`, `sleep`
[INFO] [stdout]   --> src/lib.rs:45:19
[INFO] [stdout]    |
[INFO] [stdout] 45 | use std::thread::{sleep, spawn, JoinHandle};
[INFO] [stdout]    |                   ^^^^^         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Instant`
[INFO] [stdout]   --> src/lib.rs:46:27
[INFO] [stdout]    |
[INFO] [stdout] 46 | use std::time::{Duration, Instant};
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(path_file_prefix)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(path_try_exists)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(seek_stream_len)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(thread_id_value)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/lib.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | /     loop {
[INFO] [stdout] 62 | |         let interval = crossbeam_channel::after(Duration::from_secs(cfg.auto_merge_interval_check));
[INFO] [stdout] 63 | |         select! {
[INFO] [stdout] 64 | |             recv(interval) -> msg => {
[INFO] [stdout] ...  |
[INFO] [stdout] 96 | |         }
[INFO] [stdout] 97 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 98 |       info!("finish call Once, tid: {}", tid);
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `$crate::log_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Index`
[INFO] [stdout]  --> src/data_file.rs:7:25
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::radix_tree::{Index, Indexer};
[INFO] [stdout]   |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `filename::Filename`
[INFO] [stdout]  --> src/data_file.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use filename::Filename;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]   --> src/data_file.rs:16:37
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::io::{Read, Seek, SeekFrom, Write};
[INFO] [stdout]    |                                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ReadBytesExt`
[INFO] [stdout]  --> src/entry.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 | use byteorder::{BigEndian, ReadBytesExt, WriteBytesExt};
[INFO] [stdout]   |                            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 previous errors; 64 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bitcask-rs` due to 11 previous errors; 64 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "f5931c8bffebbe1dee231d52011f068023af3ce96f7b75c3b8c30cc223b43fbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5931c8bffebbe1dee231d52011f068023af3ce96f7b75c3b8c30cc223b43fbe", kill_on_drop: false }`
[INFO] [stdout] f5931c8bffebbe1dee231d52011f068023af3ce96f7b75c3b8c30cc223b43fbe