[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 try#1b74e096b9bfb06f84a3007193dcd2f059cbdf6a for pr-96025
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaohanlinux%2Fbitcask-rs" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/laohanlinux/bitcask-rs on toolchain 1b74e096b9bfb06f84a3007193dcd2f059cbdf6a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "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-9/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" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ced3dad6ae082ce29aafa419fd867b102d850c0b10be9f074f4d01f20715746
[INFO] running `Command { std: "docker" "start" "-a" "9ced3dad6ae082ce29aafa419fd867b102d850c0b10be9f074f4d01f20715746", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ced3dad6ae082ce29aafa419fd867b102d850c0b10be9f074f4d01f20715746", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ced3dad6ae082ce29aafa419fd867b102d850c0b10be9f074f4d01f20715746", kill_on_drop: false }`
[INFO] [stdout] 9ced3dad6ae082ce29aafa419fd867b102d850c0b10be9f074f4d01f20715746
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 881fa099467405119f8dcbd9497fc2252ec33128a13229acf27c9244c2b3905d
[INFO] running `Command { std: "docker" "start" "-a" "881fa099467405119f8dcbd9497fc2252ec33128a13229acf27c9244c2b3905d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.6
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.6
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.74
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling crc-catalog v1.1.1
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling crc v2.1.0
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling qp-trie v0.7.7
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.8
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling filename v0.1.1
[INFO] [stderr]    Compiling fd-lock v3.0.2
[INFO] [stderr]    Compiling fslock v0.2.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling crossbeam v0.8.1
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling chrono v0.4.19
[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 bytes v1.1.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling bitcask-rs v0.1.0 (/opt/rustwide/workdir)
[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] 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] warning: unused variable: `msg`
[INFO] [stdout]   --> src/lib.rs:64:31
[INFO] [stdout]    |
[INFO] [stdout] 64 |             recv(interval) -> msg => {
[INFO] [stdout]    |                               ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ch`
[INFO] [stdout]   --> src/lib.rs:67:25
[INFO] [stdout]    |
[INFO] [stdout] 67 |             recv(rx) -> ch => {
[INFO] [stdout]    |                         ^^ help: if this is intentional, prefix it with an underscore: `_ch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/lib.rs:184:21
[INFO] [stdout]     |
[INFO] [stdout] 184 |         if let Some(index) = bc.hint_index.get(key) {
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hint`
[INFO] [stdout]    --> src/lib.rs:202:19
[INFO] [stdout]     |
[INFO] [stdout] 202 |         for (key, hint) in bc.hint_index.iter_prefix(&prefix).into_iter() {
[INFO] [stdout]     |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_hint`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `entry_sz` is never read
[INFO] [stdout]    --> src/lib.rs:351:17
[INFO] [stdout]     |
[INFO] [stdout] 351 |         let mut entry_sz = 0;
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/lib.rs:522:14
[INFO] [stdout]     |
[INFO] [stdout] 522 |         for (key, hint) in key_values {
[INFO] [stdout]     |              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry`
[INFO] [stdout]    --> src/data_file.rs:190:16
[INFO] [stdout]     |
[INFO] [stdout] 190 |             Ok(entry) => {}
[INFO] [stdout]     |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cfg`
[INFO] [stdout]    --> src/data_file.rs:176:50
[INFO] [stdout]     |
[INFO] [stdout] 176 | pub(crate) fn recover_last_data_file(path: &str, cfg: &config::Config) -> Result<bool> {
[INFO] [stdout]     |                                                  ^^^ help: if this is intentional, prefix it with an underscore: `_cfg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cfg`
[INFO] [stdout]    --> src/data_file.rs:225:5
[INFO] [stdout]     |
[INFO] [stdout] 225 |     cfg: config::Config,
[INFO] [stdout]     |     ^^^ help: if this is intentional, prefix it with an underscore: `_cfg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/data_file.rs:136:13
[INFO] [stdout]     |
[INFO] [stdout] 136 |         let offset = fs.stream_len().unwrap();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/key_value.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |         let mut v = vec![8; 0];
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:201:13
[INFO] [stdout]     |
[INFO] [stdout] 201 |         let mut bc = self.lc();
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reopen`
[INFO] [stdout]    --> src/lib.rs:212:8
[INFO] [stdout]     |
[INFO] [stdout] 212 |     fn reopen(&mut self) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `base_name`
[INFO] [stdout]   --> src/data_file.rs:60:19
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub(crate) fn base_name(&self) -> String {
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_all`
[INFO] [stdout]    --> src/data_file.rs:115:19
[INFO] [stdout]     |
[INFO] [stdout] 115 |     pub(crate) fn read_all(&mut self) -> Result<Vec<Entry>> {
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_vec`
[INFO] [stdout]   --> src/entry.rs:81:19
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub(crate) fn to_vec(&self) -> Result<Vec<u8>> {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sure_tmp_dir`
[INFO] [stdout]  --> src/tests_util.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn sure_tmp_dir(prefix: &str) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `expire_key`
[INFO] [stdout]   --> src/util.rs:66:15
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub(crate) fn expire_key() -> impl FnMut(&Entry) -> bool {
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib.rs:128:13
[INFO] [stdout]     |
[INFO] [stdout] 128 |             tx.send(());
[INFO] [stdout]     |             ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 83 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.40s
[INFO] running `Command { std: "docker" "inspect" "881fa099467405119f8dcbd9497fc2252ec33128a13229acf27c9244c2b3905d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "881fa099467405119f8dcbd9497fc2252ec33128a13229acf27c9244c2b3905d", kill_on_drop: false }`
[INFO] [stdout] 881fa099467405119f8dcbd9497fc2252ec33128a13229acf27c9244c2b3905d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab64dcd87751aadb66685a28337061c7383b8f067026b135f5f574dcfd8c0d17
[INFO] running `Command { std: "docker" "start" "-a" "ab64dcd87751aadb66685a28337061c7383b8f067026b135f5f574dcfd8c0d17", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.6
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling cpp_demangle v0.3.5
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling bytemuck v1.7.3
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling symbolic-demangle v8.5.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling str_stack v0.1.0
[INFO] [stderr]    Compiling names v0.12.0
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling pprof v0.4.5
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling random v0.12.2
[INFO] [stderr]    Compiling bra v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling rgb v0.8.31
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling debugid v0.7.2
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.6
[INFO] [stderr]    Compiling crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling crossbeam-queue v0.3.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling quick-xml v0.22.0
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling num-format v0.4.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr] error: could not compile `object`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name object --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/object-0.27.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="archive"' --cfg 'feature="coff"' --cfg 'feature="elf"' --cfg 'feature="macho"' --cfg 'feature="pe"' --cfg 'feature="read_core"' --cfg 'feature="unaligned"' -C metadata=d963f9a9705293d5 -C extra-filename=-d963f9a9705293d5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-e6bbee201eb478c9.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ab64dcd87751aadb66685a28337061c7383b8f067026b135f5f574dcfd8c0d17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab64dcd87751aadb66685a28337061c7383b8f067026b135f5f574dcfd8c0d17", kill_on_drop: false }`
[INFO] [stdout] ab64dcd87751aadb66685a28337061c7383b8f067026b135f5f574dcfd8c0d17