[INFO] cloning repository https://github.com/cfeitong/cft-leveldb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cfeitong/cft-leveldb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfeitong%2Fcft-leveldb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfeitong%2Fcft-leveldb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c9c30c9bf5cc68c3fbaf1f549b87f37d0efe78b
[INFO] testing cfeitong/cft-leveldb against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfeitong%2Fcft-leveldb" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cfeitong/cft-leveldb
[INFO] finished tweaking git repo https://github.com/cfeitong/cft-leveldb
[INFO] tweaked toml for git repo https://github.com/cfeitong/cft-leveldb written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cfeitong/cft-leveldb on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cfeitong/cft-leveldb 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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cmake v0.1.45
[INFO] [stderr]   Downloaded thiserror v1.0.23
[INFO] [stderr]   Downloaded futures-macro v0.3.13
[INFO] [stderr]   Downloaded futures-io v0.3.13
[INFO] [stderr]   Downloaded mimalloc v0.1.24
[INFO] [stderr]   Downloaded thiserror-impl v1.0.23
[INFO] [stderr]   Downloaded futures-executor v0.3.13
[INFO] [stderr]   Downloaded futures v0.3.13
[INFO] [stderr]   Downloaded memmap2 v0.2.1
[INFO] [stderr]   Downloaded mio v0.7.7
[INFO] [stderr]   Downloaded tracing v0.1.23
[INFO] [stderr]   Downloaded tracing-attributes v0.1.12
[INFO] [stderr]   Downloaded libc v0.2.86
[INFO] [stderr]   Downloaded libmimalloc-sys v0.1.20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0817b1c4142af6b7eb472cff1bd33e8213efb6882d0ac652f0076f9262a302b
[INFO] running `Command { std: "docker" "start" "-a" "c0817b1c4142af6b7eb472cff1bd33e8213efb6882d0ac652f0076f9262a302b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0817b1c4142af6b7eb472cff1bd33e8213efb6882d0ac652f0076f9262a302b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0817b1c4142af6b7eb472cff1bd33e8213efb6882d0ac652f0076f9262a302b", kill_on_drop: false }`
[INFO] [stdout] c0817b1c4142af6b7eb472cff1bd33e8213efb6882d0ac652f0076f9262a302b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 914afbf86b8a3f4d2d49d3d359b63e3b3c632f6f278656af8770eeacf20f792b
[INFO] running `Command { std: "docker" "start" "-a" "914afbf86b8a3f4d2d49d3d359b63e3b3c632f6f278656af8770eeacf20f792b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling futures-sink v0.3.13
[INFO] [stderr]    Compiling futures-core v0.3.13
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling futures-task v0.3.13
[INFO] [stderr]    Compiling futures-io v0.3.13
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling futures-channel v0.3.13
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.20
[INFO] [stderr]    Compiling parking_lot_core v0.8.2
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling mio v0.7.7
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling memmap2 v0.2.1
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling mimalloc v0.1.24
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling tracing-attributes v0.1.12
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling futures-util v0.3.13
[INFO] [stderr]    Compiling tracing v0.1.23
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling futures-executor v0.3.13
[INFO] [stderr]    Compiling futures v0.3.13
[INFO] [stderr]    Compiling cft-db v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `put_var_u64_le` is never used
[INFO] [stdout]  --> src/encoding.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub trait BufMutExt: BufMut {
[INFO] [stdout]   |           --------- method in this trait
[INFO] [stdout] 8 |     fn put_var_u32_le(&mut self, n: u32);
[INFO] [stdout] 9 |     fn put_var_u64_le(&mut self, n: u64);
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `BytesExt` is never used
[INFO] [stdout]   --> src/encoding.rs:72:11
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub trait BytesExt {
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `contains` and `remove` are never used
[INFO] [stdout]   --> src/mem_table.rs:32:18
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl MemTable {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub async fn contains(&self, key: &Bytes) -> bool {
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub async fn remove(&self, key: &Bytes) -> Option<Bytes> {
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RESTART_THRESHOLD` is never used
[INFO] [stdout]  --> src/sorted_stable.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const RESTART_THRESHOLD: usize = 16;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BlockHandle` is never constructed
[INFO] [stdout]   --> src/sorted_stable.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct BlockHandle {}
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BlockBuilder` is never constructed
[INFO] [stdout]   --> src/sorted_stable.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct BlockBuilder {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add`, and `build` are never used
[INFO] [stdout]   --> src/sorted_stable.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl BlockBuilder {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] 21 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn add(&mut self, key: Bytes, value: Bytes) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn build(mut self) -> Bytes {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `shared_prefix_len` is never used
[INFO] [stdout]   --> src/sorted_stable.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn shared_prefix_len(key1: &Bytes, key2: &Bytes) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `open_sstable` is never used
[INFO] [stdout]   --> src/vfs.rs:60:18
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl Vfs {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub async fn open_sstable(&self, level: usize) -> Result<VFile> {
[INFO] [stdout]    |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `read_at`, `read_exact`, and `sync` are never used
[INFO] [stdout]    --> src/vfs.rs:91:18
[INFO] [stdout]     |
[INFO] [stdout]  83 | impl VFile {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  91 |     pub async fn read_at(&self, offset: u64, len: usize) -> Result<Vec<u8>> {
[INFO] [stdout]     |                  ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  96 |     pub async fn read_exact(&self, buf: &mut [u8]) -> Result<usize> {
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     pub async fn sync(&self) -> Result<()> {
[INFO] [stdout]     |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `read_at` and `sync` are never used
[INFO] [stdout]    --> src/vfs.rs:135:14
[INFO] [stdout]     |
[INFO] [stdout] 119 | impl VFileInner {
[INFO] [stdout]     | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 135 |     async fn read_at(&mut self, offset: u64, len: usize) -> Result<Vec<u8>> {
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 |     async fn sync(&self) -> Result<()> {
[INFO] [stdout]     |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_inner` is never used
[INFO] [stdout]   --> src/wal.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 72 | impl WalFileWriter {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 73 |     /// into inner vfile
[INFO] [stdout] 74 |     pub fn into_inner(self) -> VFile {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WalFileReader` is never constructed
[INFO] [stdout]    --> src/wal.rs:146:12
[INFO] [stdout]     |
[INFO] [stdout] 146 | pub struct WalFileReader {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `open`, `read_record`, `into_record_stream`, `read_data`, and `into_data_stream` are never used
[INFO] [stdout]    --> src/wal.rs:151:18
[INFO] [stdout]     |
[INFO] [stdout] 150 | impl WalFileReader {
[INFO] [stdout]     | ------------------ associated items in this implementation
[INFO] [stdout] 151 |     pub async fn new(file: VFile) -> Result<Self> {
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] ...
[INFO] [stdout] 155 |     pub async fn open(vfs: Vfs) -> Result<Self> {
[INFO] [stdout]     |                  ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 161 |     async fn read_record(&mut self) -> Result<Option<Record>> {
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 193 |     fn into_record_stream(self) -> impl Stream<Item = Result<Record>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 200 |     pub async fn read_data(&mut self) -> Result<Option<Bytes>> {
[INFO] [stdout]     |                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 224 |     pub fn into_data_stream(self) -> impl Stream<Item = Result<Bytes>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_rest_records` is never used
[INFO] [stdout]    --> src/wal.rs:232:10
[INFO] [stdout]     |
[INFO] [stdout] 232 | async fn read_rest_records(reader: &mut WalFileReader) -> Result<Vec<Record>> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_u8` is never used
[INFO] [stdout]    --> src/wal.rs:271:8
[INFO] [stdout]     |
[INFO] [stdout] 261 | impl RecordType {
[INFO] [stdout]     | --------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 271 |     fn from_u8(ty: u8) -> Result<Self> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Record` is never constructed
[INFO] [stdout]    --> src/wal.rs:283:12
[INFO] [stdout]     |
[INFO] [stdout] 283 | pub struct Record {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_valid` is never used
[INFO] [stdout]    --> src/wal.rs:291:8
[INFO] [stdout]     |
[INFO] [stdout] 290 | impl Record {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] 291 |     fn is_valid(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `vfs` is never read
[INFO] [stdout]   --> src/db.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct Db {
[INFO] [stdout]    |            -- field in this struct
[INFO] [stdout] 32 |     vfs: Vfs,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.20s
[INFO] running `Command { std: "docker" "inspect" "914afbf86b8a3f4d2d49d3d359b63e3b3c632f6f278656af8770eeacf20f792b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "914afbf86b8a3f4d2d49d3d359b63e3b3c632f6f278656af8770eeacf20f792b", kill_on_drop: false }`
[INFO] [stdout] 914afbf86b8a3f4d2d49d3d359b63e3b3c632f6f278656af8770eeacf20f792b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef1b18a84e43505c29b2ba3af9ce503f4f0d7287d26d04e910d5ffd98288536b
[INFO] running `Command { std: "docker" "start" "-a" "ef1b18a84e43505c29b2ba3af9ce503f4f0d7287d26d04e910d5ffd98288536b", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stdout] warning: method `put_var_u64_le` is never used
[INFO] [stdout]  --> src/encoding.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub trait BufMutExt: BufMut {
[INFO] [stdout]   |           --------- method in this trait
[INFO] [stdout] 8 |     fn put_var_u32_le(&mut self, n: u32);
[INFO] [stdout] 9 |     fn put_var_u64_le(&mut self, n: u64);
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `BytesExt` is never used
[INFO] [stdout]   --> src/encoding.rs:72:11
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub trait BytesExt {
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `contains` and `remove` are never used
[INFO] [stdout]   --> src/mem_table.rs:32:18
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl MemTable {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub async fn contains(&self, key: &Bytes) -> bool {
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub async fn remove(&self, key: &Bytes) -> Option<Bytes> {
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RESTART_THRESHOLD` is never used
[INFO] [stdout]  --> src/sorted_stable.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const RESTART_THRESHOLD: usize = 16;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BlockHandle` is never constructed
[INFO] [stdout]   --> src/sorted_stable.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct BlockHandle {}
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BlockBuilder` is never constructed
[INFO] [stdout]   --> src/sorted_stable.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct BlockBuilder {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add`, and `build` are never used
[INFO] [stdout]   --> src/sorted_stable.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl BlockBuilder {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] 21 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn add(&mut self, key: Bytes, value: Bytes) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn build(mut self) -> Bytes {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `shared_prefix_len` is never used
[INFO] [stdout]   --> src/sorted_stable.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn shared_prefix_len(key1: &Bytes, key2: &Bytes) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `open_sstable` is never used
[INFO] [stdout]   --> src/vfs.rs:60:18
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl Vfs {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub async fn open_sstable(&self, level: usize) -> Result<VFile> {
[INFO] [stdout]    |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `read_at`, `read_exact`, and `sync` are never used
[INFO] [stdout]    --> src/vfs.rs:91:18
[INFO] [stdout]     |
[INFO] [stdout]  83 | impl VFile {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  91 |     pub async fn read_at(&self, offset: u64, len: usize) -> Result<Vec<u8>> {
[INFO] [stdout]     |                  ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  96 |     pub async fn read_exact(&self, buf: &mut [u8]) -> Result<usize> {
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     pub async fn sync(&self) -> Result<()> {
[INFO] [stdout]     |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `read_at` and `sync` are never used
[INFO] [stdout]    --> src/vfs.rs:135:14
[INFO] [stdout]     |
[INFO] [stdout] 119 | impl VFileInner {
[INFO] [stdout]     | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 135 |     async fn read_at(&mut self, offset: u64, len: usize) -> Result<Vec<u8>> {
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 |     async fn sync(&self) -> Result<()> {
[INFO] [stdout]     |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_inner` is never used
[INFO] [stdout]   --> src/wal.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 72 | impl WalFileWriter {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 73 |     /// into inner vfile
[INFO] [stdout] 74 |     pub fn into_inner(self) -> VFile {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WalFileReader` is never constructed
[INFO] [stdout]    --> src/wal.rs:146:12
[INFO] [stdout]     |
[INFO] [stdout] 146 | pub struct WalFileReader {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `open`, `read_record`, `into_record_stream`, `read_data`, and `into_data_stream` are never used
[INFO] [stdout]    --> src/wal.rs:151:18
[INFO] [stdout]     |
[INFO] [stdout] 150 | impl WalFileReader {
[INFO] [stdout]     | ------------------ associated items in this implementation
[INFO] [stdout] 151 |     pub async fn new(file: VFile) -> Result<Self> {
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] ...
[INFO] [stdout] 155 |     pub async fn open(vfs: Vfs) -> Result<Self> {
[INFO] [stdout]     |                  ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 161 |     async fn read_record(&mut self) -> Result<Option<Record>> {
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 193 |     fn into_record_stream(self) -> impl Stream<Item = Result<Record>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 200 |     pub async fn read_data(&mut self) -> Result<Option<Bytes>> {
[INFO] [stdout]     |                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 224 |     pub fn into_data_stream(self) -> impl Stream<Item = Result<Bytes>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_rest_records` is never used
[INFO] [stdout]    --> src/wal.rs:232:10
[INFO] [stdout]     |
[INFO] [stdout] 232 | async fn read_rest_records(reader: &mut WalFileReader) -> Result<Vec<Record>> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_u8` is never used
[INFO] [stdout]    --> src/wal.rs:271:8
[INFO] [stdout]     |
[INFO] [stdout] 261 | impl RecordType {
[INFO] [stdout]     | --------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 271 |     fn from_u8(ty: u8) -> Result<Self> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Record` is never constructed
[INFO] [stdout]    --> src/wal.rs:283:12
[INFO] [stdout]     |
[INFO] [stdout] 283 | pub struct Record {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_valid` is never used
[INFO] [stdout]    --> src/wal.rs:291:8
[INFO] [stdout]     |
[INFO] [stdout] 290 | impl Record {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] 291 |     fn is_valid(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `vfs` is never read
[INFO] [stdout]   --> src/db.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct Db {
[INFO] [stdout]    |            -- field in this struct
[INFO] [stdout] 32 |     vfs: Vfs,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling cft-db v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `contains` and `remove` are never used
[INFO] [stdout]   --> src/mem_table.rs:32:18
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl MemTable {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub async fn contains(&self, key: &Bytes) -> bool {
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub async fn remove(&self, key: &Bytes) -> Option<Bytes> {
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RESTART_THRESHOLD` is never used
[INFO] [stdout]  --> src/sorted_stable.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const RESTART_THRESHOLD: usize = 16;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BlockHandle` is never constructed
[INFO] [stdout]   --> src/sorted_stable.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct BlockHandle {}
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BlockBuilder` is never constructed
[INFO] [stdout]   --> src/sorted_stable.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct BlockBuilder {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add`, and `build` are never used
[INFO] [stdout]   --> src/sorted_stable.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl BlockBuilder {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] 21 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn add(&mut self, key: Bytes, value: Bytes) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn build(mut self) -> Bytes {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `shared_prefix_len` is never used
[INFO] [stdout]   --> src/sorted_stable.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn shared_prefix_len(key1: &Bytes, key2: &Bytes) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `open_sstable` is never used
[INFO] [stdout]   --> src/vfs.rs:60:18
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl Vfs {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub async fn open_sstable(&self, level: usize) -> Result<VFile> {
[INFO] [stdout]    |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `read_at` and `sync` are never used
[INFO] [stdout]    --> src/vfs.rs:91:18
[INFO] [stdout]     |
[INFO] [stdout]  83 | impl VFile {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  91 |     pub async fn read_at(&self, offset: u64, len: usize) -> Result<Vec<u8>> {
[INFO] [stdout]     |                  ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     pub async fn sync(&self) -> Result<()> {
[INFO] [stdout]     |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `read_at` and `sync` are never used
[INFO] [stdout]    --> src/vfs.rs:135:14
[INFO] [stdout]     |
[INFO] [stdout] 119 | impl VFileInner {
[INFO] [stdout]     | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 135 |     async fn read_at(&mut self, offset: u64, len: usize) -> Result<Vec<u8>> {
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 |     async fn sync(&self) -> Result<()> {
[INFO] [stdout]     |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_inner` is never used
[INFO] [stdout]   --> src/wal.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 72 | impl WalFileWriter {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 73 |     /// into inner vfile
[INFO] [stdout] 74 |     pub fn into_inner(self) -> VFile {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `into_record_stream` and `into_data_stream` are never used
[INFO] [stdout]    --> src/wal.rs:193:8
[INFO] [stdout]     |
[INFO] [stdout] 150 | impl WalFileReader {
[INFO] [stdout]     | ------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 193 |     fn into_record_stream(self) -> impl Stream<Item = Result<Record>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 224 |     pub fn into_data_stream(self) -> impl Stream<Item = Result<Bytes>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `len` is never read
[INFO] [stdout]    --> src/wal.rs:285:9
[INFO] [stdout]     |
[INFO] [stdout] 283 | pub struct Record {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] 284 |     pub crc:  u32,
[INFO] [stdout] 285 |     pub len:  u16,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `vfs` is never read
[INFO] [stdout]   --> src/db.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct Db {
[INFO] [stdout]    |            -- field in this struct
[INFO] [stdout] 32 |     vfs: Vfs,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.26s
[INFO] running `Command { std: "docker" "inspect" "ef1b18a84e43505c29b2ba3af9ce503f4f0d7287d26d04e910d5ffd98288536b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef1b18a84e43505c29b2ba3af9ce503f4f0d7287d26d04e910d5ffd98288536b", kill_on_drop: false }`
[INFO] [stdout] ef1b18a84e43505c29b2ba3af9ce503f4f0d7287d26d04e910d5ffd98288536b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1cfd19a8b3b1d9ad43b65a528c188d4836a36a4126a857ffb365d1ead98685e1
[INFO] running `Command { std: "docker" "start" "-a" "1cfd19a8b3b1d9ad43b65a528c188d4836a36a4126a857ffb365d1ead98685e1", kill_on_drop: false }`
[INFO] [stderr] warning: method `put_var_u64_le` is never used
[INFO] [stderr]  --> src/encoding.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub trait BufMutExt: BufMut {
[INFO] [stderr]   |           --------- method in this trait
[INFO] [stderr] 8 |     fn put_var_u32_le(&mut self, n: u32);
[INFO] [stderr] 9 |     fn put_var_u64_le(&mut self, n: u64);
[INFO] [stderr]   |        ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `BytesExt` is never used
[INFO] [stderr]   --> src/encoding.rs:72:11
[INFO] [stderr]    |
[INFO] [stderr] 72 | pub trait BytesExt {
[INFO] [stderr]    |           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `contains` and `remove` are never used
[INFO] [stderr]   --> src/mem_table.rs:32:18
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl MemTable {
[INFO] [stderr]    | ------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 32 |     pub async fn contains(&self, key: &Bytes) -> bool {
[INFO] [stderr]    |                  ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 37 |     pub async fn remove(&self, key: &Bytes) -> Option<Bytes> {
[INFO] [stderr]    |                  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `RESTART_THRESHOLD` is never used
[INFO] [stderr]  --> src/sorted_stable.rs:9:7
[INFO] [stderr]   |
[INFO] [stderr] 9 | const RESTART_THRESHOLD: usize = 16;
[INFO] [stderr]   |       ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `BlockHandle` is never constructed
[INFO] [stderr]   --> src/sorted_stable.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct BlockHandle {}
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `BlockBuilder` is never constructed
[INFO] [stderr]   --> src/sorted_stable.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | struct BlockBuilder {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `add`, and `build` are never used
[INFO] [stderr]   --> src/sorted_stable.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | impl BlockBuilder {
[INFO] [stderr]    | ----------------- associated items in this implementation
[INFO] [stderr] 21 |     fn new() -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 30 |     fn add(&mut self, key: Bytes, value: Bytes) {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 48 |     fn build(mut self) -> Bytes {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `shared_prefix_len` is never used
[INFO] [stderr]   --> src/sorted_stable.rs:58:4
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn shared_prefix_len(key1: &Bytes, key2: &Bytes) -> usize {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `open_sstable` is never used
[INFO] [stderr]   --> src/vfs.rs:60:18
[INFO] [stderr]    |
[INFO] [stderr] 44 | impl Vfs {
[INFO] [stderr]    | -------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 60 |     pub async fn open_sstable(&self, level: usize) -> Result<VFile> {
[INFO] [stderr]    |                  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `read_at`, `read_exact`, and `sync` are never used
[INFO] [stderr]    --> src/vfs.rs:91:18
[INFO] [stderr]     |
[INFO] [stderr]  83 | impl VFile {
[INFO] [stderr]     | ---------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr]  91 |     pub async fn read_at(&self, offset: u64, len: usize) -> Result<Vec<u8>> {
[INFO] [stderr]     |                  ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  96 |     pub async fn read_exact(&self, buf: &mut [u8]) -> Result<usize> {
[INFO] [stderr]     |                  ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 101 |     pub async fn sync(&self) -> Result<()> {
[INFO] [stderr]     |                  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `read_at` and `sync` are never used
[INFO] [stderr]    --> src/vfs.rs:135:14
[INFO] [stderr]     |
[INFO] [stderr] 119 | impl VFileInner {
[INFO] [stderr]     | --------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 135 |     async fn read_at(&mut self, offset: u64, len: usize) -> Result<Vec<u8>> {
[INFO] [stderr]     |              ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 142 |     async fn sync(&self) -> Result<()> {
[INFO] [stderr]     |              ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `into_inner` is never used
[INFO] [stderr]   --> src/wal.rs:74:12
[INFO] [stderr]    |
[INFO] [stderr] 72 | impl WalFileWriter {
[INFO] [stderr]    | ------------------ method in this implementation
[INFO] [stderr] 73 |     /// into inner vfile
[INFO] [stderr] 74 |     pub fn into_inner(self) -> VFile {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `WalFileReader` is never constructed
[INFO] [stderr]    --> src/wal.rs:146:12
[INFO] [stderr]     |
[INFO] [stderr] 146 | pub struct WalFileReader {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `open`, `read_record`, `into_record_stream`, `read_data`, and `into_data_stream` are never used
[INFO] [stderr]    --> src/wal.rs:151:18
[INFO] [stderr]     |
[INFO] [stderr] 150 | impl WalFileReader {
[INFO] [stderr]     | ------------------ associated items in this implementation
[INFO] [stderr] 151 |     pub async fn new(file: VFile) -> Result<Self> {
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] ...
[INFO] [stderr] 155 |     pub async fn open(vfs: Vfs) -> Result<Self> {
[INFO] [stderr]     |                  ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 161 |     async fn read_record(&mut self) -> Result<Option<Record>> {
[INFO] [stderr]     |              ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 193 |     fn into_record_stream(self) -> impl Stream<Item = Result<Record>> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 200 |     pub async fn read_data(&mut self) -> Result<Option<Bytes>> {
[INFO] [stderr]     |                  ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 224 |     pub fn into_data_stream(self) -> impl Stream<Item = Result<Bytes>> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_rest_records` is never used
[INFO] [stderr]    --> src/wal.rs:232:10
[INFO] [stderr]     |
[INFO] [stderr] 232 | async fn read_rest_records(reader: &mut WalFileReader) -> Result<Vec<Record>> {
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `from_u8` is never used
[INFO] [stderr]    --> src/wal.rs:271:8
[INFO] [stderr]     |
[INFO] [stderr] 261 | impl RecordType {
[INFO] [stderr]     | --------------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 271 |     fn from_u8(ty: u8) -> Result<Self> {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Record` is never constructed
[INFO] [stderr]    --> src/wal.rs:283:12
[INFO] [stderr]     |
[INFO] [stderr] 283 | pub struct Record {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_valid` is never used
[INFO] [stderr]    --> src/wal.rs:291:8
[INFO] [stderr]     |
[INFO] [stderr] 290 | impl Record {
[INFO] [stderr]     | ----------- method in this implementation
[INFO] [stderr] 291 |     fn is_valid(&self) -> bool {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `vfs` is never read
[INFO] [stderr]   --> src/db.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub struct Db {
[INFO] [stderr]    |            -- field in this struct
[INFO] [stderr] 32 |     vfs: Vfs,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `contains` and `remove` are never used
[INFO] [stderr]   --> src/mem_table.rs:32:18
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl MemTable {
[INFO] [stderr]    | ------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 32 |     pub async fn contains(&self, key: &Bytes) -> bool {
[INFO] [stderr]    |                  ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 37 |     pub async fn remove(&self, key: &Bytes) -> Option<Bytes> {
[INFO] [stderr]    |                  ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `read_at` and `sync` are never used
[INFO] [stderr]    --> src/vfs.rs:91:18
[INFO] [stderr]     |
[INFO] [stderr]  83 | impl VFile {
[INFO] [stderr]     | ---------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr]  91 |     pub async fn read_at(&self, offset: u64, len: usize) -> Result<Vec<u8>> {
[INFO] [stderr]     |                  ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 101 |     pub async fn sync(&self) -> Result<()> {
[INFO] [stderr]     |                  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `into_record_stream` and `into_data_stream` are never used
[INFO] [stderr]    --> src/wal.rs:193:8
[INFO] [stderr]     |
[INFO] [stderr] 150 | impl WalFileReader {
[INFO] [stderr]     | ------------------ methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 193 |     fn into_record_stream(self) -> impl Stream<Item = Result<Record>> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 224 |     pub fn into_data_stream(self) -> impl Stream<Item = Result<Bytes>> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `len` is never read
[INFO] [stderr]    --> src/wal.rs:285:9
[INFO] [stderr]     |
[INFO] [stderr] 283 | pub struct Record {
[INFO] [stderr]     |            ------ field in this struct
[INFO] [stderr] 284 |     pub crc:  u32,
[INFO] [stderr] 285 |     pub len:  u16,
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `cft-db` (lib) generated 19 warnings
[INFO] [stderr] warning: `cft-db` (lib test) generated 13 warnings (9 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cft_db-9bc4db6d7d0f20e7)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test encoding::tests::test_var_u32_le ... ok
[INFO] [stdout] test encoding::tests::test_var_u64_le ... ok
[INFO] [stdout] test wal::tests::test_wal_data_read_write ... ok
[INFO] [stdout] test db::tests::test_db_basic ... FAILED
[INFO] [stdout] test wal::tests::test_wal_data_many_blocks ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- db::tests::test_db_basic stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'db::tests::test_db_basic' (25) panicked at src/db.rs:70:46:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: VfsError(IoError(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }))
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5ebdff40b9f2 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5ebdff40b9f2 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::trace_unsynchronized::<std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5ebdff40b9f2 - std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5ebdff40b9f2 - <<std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c5ed12ab89cc536a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5ebdff420d1a - <core[c5ed12ab89cc536a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5ebdff420d1a - core[c5ed12ab89cc536a]::fmt::write
[INFO] [stdout]    6:     0x5ebdff410af6 - std[716c9a7a72e5c14e]::io::default_write_fmt::<alloc[9c68fdf4f4f29218]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5ebdff410af6 - <alloc[9c68fdf4f4f29218]::vec::Vec<u8> as std[716c9a7a72e5c14e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5ebdff3e898f - <std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5ebdff3e898f - std[716c9a7a72e5c14e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5ebdff403569 - std[716c9a7a72e5c14e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5ebdff2f7d1e - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5ebdff2f7d1e - test[64760d2bdea328cc]::test_main_with_exit_callback::<test[64760d2bdea328cc]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5ebdff403722 - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5ebdff403722 - std[716c9a7a72e5c14e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5ebdff3e8a48 - std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5ebdff3e0309 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_end_short_backtrace::<std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5ebdff3e977d - __rustc[4f0b026143eab78e]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5ebdff42145c - core[c5ed12ab89cc536a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5ebdff4211d2 - core[c5ed12ab89cc536a]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x5ebdff2a0a6d - <core[c5ed12ab89cc536a]::result::Result<cft_db[19f735bfb690a200]::db::Db, cft_db[19f735bfb690a200]::db::DbError>>::unwrap
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x5ebdff2a0a6d - cft_db[19f735bfb690a200]::db::tests::test_db_basic::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/db.rs:70:46
[INFO] [stdout]   22:     0x5ebdff28f7ed - <core[c5ed12ab89cc536a]::pin::Pin<&mut cft_db[19f735bfb690a200]::db::tests::test_db_basic::{closure#0}> as core[c5ed12ab89cc536a]::future::future::Future>::poll
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/future/future.rs:133:9
[INFO] [stdout]   23:     0x5ebdff2b0fdd - <tokio[12b17ee5411d9fd9]::runtime::basic_scheduler::Inner<tokio[12b17ee5411d9fd9]::runtime::driver::Driver>>::block_on::<core[c5ed12ab89cc536a]::pin::Pin<&mut cft_db[19f735bfb690a200]::db::tests::test_db_basic::{closure#0}>>::{closure#0}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.2.0/src/runtime/basic_scheduler.rs:184:74
[INFO] [stdout]   24:     0x5ebdff29f560 - tokio[12b17ee5411d9fd9]::coop::with_budget::<core[c5ed12ab89cc536a]::task::poll::Poll<()>, <tokio[12b17ee5411d9fd9]::runtime::basic_scheduler::Inner<tokio[12b17ee5411d9fd9]::runtime::driver::Driver>>::block_on<core[c5ed12ab89cc536a]::pin::Pin<&mut cft_db[19f735bfb690a200]::db::tests::test_db_basic::{closure#0}>>::{closure#0}::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.2.0/src/coop.rs:121:9
[INFO] [stdout]   25:     0x5ebdff2a4665 - <std[716c9a7a72e5c14e]::thread::local::LocalKey<core[c5ed12ab89cc536a]::cell::Cell<tokio[12b17ee5411d9fd9]::coop::Budget>>>::try_with::<tokio[12b17ee5411d9fd9]::coop::with_budget<core[c5ed12ab89cc536a]::task::poll::Poll<()>, <tokio[12b17ee5411d9fd9]::runtime::basic_scheduler::Inner<tokio[12b17ee5411d9fd9]::runtime::driver::Driver>>::block_on<core[c5ed12ab89cc536a]::pin::Pin<&mut cft_db[19f735bfb690a200]::db::tests::test_db_basic::{closure#0}>>::{closure#0}::{closure#0}>::{closure#0}, core[c5ed12ab89cc536a]::task::poll::Poll<()>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/local.rs:513:12
[INFO] [stdout]   26:     0x5ebdff2a3dee - <std[716c9a7a72e5c14e]::thread::local::LocalKey<core[c5ed12ab89cc536a]::cell::Cell<tokio[12b17ee5411d9fd9]::coop::Budget>>>::with::<tokio[12b17ee5411d9fd9]::coop::with_budget<core[c5ed12ab89cc536a]::task::poll::Poll<()>, <tokio[12b17ee5411d9fd9]::runtime::basic_scheduler::Inner<tokio[12b17ee5411d9fd9]::runtime::driver::Driver>>::block_on<core[c5ed12ab89cc536a]::pin::Pin<&mut cft_db[19f735bfb690a200]::db::tests::test_db_basic::{closure#0}>>::{closure#0}::{closure#0}>::{closure#0}, core[c5ed12ab89cc536a]::task::poll::Poll<()>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/local.rs:477:20
[INFO] [stdout]   27:     0x5ebdff2af32c - tokio[12b17ee5411d9fd9]::coop::with_budget::<core[c5ed12ab89cc536a]::task::poll::Poll<()>, <tokio[12b17ee5411d9fd9]::runtime::basic_scheduler::Inner<tokio[12b17ee5411d9fd9]::runtime::driver::Driver>>::block_on<core[c5ed12ab89cc536a]::pin::Pin<&mut cft_db[19f735bfb690a200]::db::tests::test_db_basic::{closure#0}>>::{closure#0}::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.2.0/src/coop.rs:114:13
[INFO] [stdout]   28:     0x5ebdff2af32c - tokio[12b17ee5411d9fd9]::coop::budget::<core[c5ed12ab89cc536a]::task::poll::Poll<()>, <tokio[12b17ee5411d9fd9]::runtime::basic_scheduler::Inner<tokio[12b17ee5411d9fd9]::runtime::driver::Driver>>::block_on<core[c5ed12ab89cc536a]::pin::Pin<&mut cft_db[19f735bfb690a200]::db::tests::test_db_basic::{closure#0}>>::{closure#0}::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.2.0/src/coop.rs:98:5
[INFO] [stdout]   29:     0x5ebdff2af32c - <tokio[12b17ee5411d9fd9]::runtime::basic_scheduler::Inner<tokio[12b17ee5411d9fd9]::runtime::driver::Driver>>::block_on::<core[c5ed12ab89cc536a]::pin::Pin<&mut cft_db[19f735bfb690a200]::db::tests::test_db_basic::{closure#0}>>::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.2.0/src/runtime/basic_scheduler.rs:184:35
[INFO] [stdout]   30:     0x5ebdff2b0f6a - tokio[12b17ee5411d9fd9]::runtime::basic_scheduler::enter::<<tokio[12b17ee5411d9fd9]::runtime::basic_scheduler::Inner<tokio[12b17ee5411d9fd9]::runtime::driver::Driver>>::block_on<core[c5ed12ab89cc536a]::pin::Pin<&mut cft_db[19f735bfb690a200]::db::tests::test_db_basic::{closure#0}>>::{closure#0}, (), tokio[12b17ee5411d9fd9]::runtime::driver::Driver>::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.2.0/src/runtime/basic_scheduler.rs:266:29
[INFO] [stdout]   31:     0x5ebdff2ad475 - <tokio[12b17ee5411d9fd9]::macros::scoped_tls::ScopedKey<tokio[12b17ee5411d9fd9]::runtime::basic_scheduler::Context>>::set::<tokio[12b17ee5411d9fd9]::runtime::basic_scheduler::enter<<tokio[12b17ee5411d9fd9]::runtime::basic_scheduler::Inner<tokio[12b17ee5411d9fd9]::runtime::driver::Driver>>::block_on<core[c5ed12ab89cc536a]::pin::Pin<&mut cft_db[19f735bfb690a200]::db::tests::test_db_basic::{closure#0}>>::{closure#0}, (), tokio[12b17ee5411d9fd9]::runtime::driver::Driver>::{closure#0}, ()>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.2.0/src/macros/scoped_tls.rs:61:9
[INFO] [stdout]   32:     0x5ebdff2adbe2 - tokio[12b17ee5411d9fd9]::runtime::basic_scheduler::enter::<<tokio[12b17ee5411d9fd9]::runtime::basic_scheduler::Inner<tokio[12b17ee5411d9fd9]::runtime::driver::Driver>>::block_on<core[c5ed12ab89cc536a]::pin::Pin<&mut cft_db[19f735bfb690a200]::db::tests::test_db_basic::{closure#0}>>::{closure#0}, (), tokio[12b17ee5411d9fd9]::runtime::driver::Driver>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.2.0/src/runtime/basic_scheduler.rs:266:13
[INFO] [stdout]   33:     0x5ebdff2ad693 - <tokio[12b17ee5411d9fd9]::runtime::basic_scheduler::Inner<tokio[12b17ee5411d9fd9]::runtime::driver::Driver>>::block_on::<core[c5ed12ab89cc536a]::pin::Pin<&mut cft_db[19f735bfb690a200]::db::tests::test_db_basic::{closure#0}>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.2.0/src/runtime/basic_scheduler.rs:176:9
[INFO] [stdout]   34:     0x5ebdff2ad243 - <tokio[12b17ee5411d9fd9]::runtime::basic_scheduler::InnerGuard<tokio[12b17ee5411d9fd9]::runtime::driver::Driver>>::block_on::<core[c5ed12ab89cc536a]::pin::Pin<&mut cft_db[19f735bfb690a200]::db::tests::test_db_basic::{closure#0}>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.2.0/src/runtime/basic_scheduler.rs:405:38
[INFO] [stdout]   35:     0x5ebdff2ab3fa - <tokio[12b17ee5411d9fd9]::runtime::basic_scheduler::BasicScheduler<tokio[12b17ee5411d9fd9]::runtime::driver::Driver>>::block_on::<cft_db[19f735bfb690a200]::db::tests::test_db_basic::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.2.0/src/runtime/basic_scheduler.rs:136:30
[INFO] [stdout]   36:     0x5ebdff29e191 - <tokio[12b17ee5411d9fd9]::runtime::Runtime>::block_on::<cft_db[19f735bfb690a200]::db::tests::test_db_basic::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.2.0/src/runtime/mod.rs:450:51
[INFO] [stdout]   37:     0x5ebdff2a2101 - cft_db[19f735bfb690a200]::db::tests::test_db_basic
[INFO] [stdout]                                at /opt/rustwide/workdir/src/db.rs:68:5
[INFO] [stdout]   38:     0x5ebdff2a0757 - cft_db[19f735bfb690a200]::db::tests::test_db_basic::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/db.rs:69:29
[INFO] [stdout]   39:     0x5ebdff281766 - <cft_db[19f735bfb690a200]::db::tests::test_db_basic::{closure#0} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x5ebdff2ec0cb - <fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5ebdff2ec0cb - test[64760d2bdea328cc]::__rust_begin_short_backtrace::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:663:18
[INFO] [stdout]   42:     0x5ebdff2f892a - test[64760d2bdea328cc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:74
[INFO] [stdout]   43:     0x5ebdff2f892a - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   44:     0x5ebdff2f892a - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   45:     0x5ebdff2f892a - std[716c9a7a72e5c14e]::panicking::catch_unwind::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   46:     0x5ebdff2f892a - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   47:     0x5ebdff2f892a - test[64760d2bdea328cc]::run_test_in_process
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:27
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout]   48:     0x5ebdff2f892a - test[64760d2bdea328cc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:607:43
[INFO] [stdout]   49:     0x5ebdff2f2df4 - test[64760d2bdea328cc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:637:41
[INFO] [stdout]   50:     0x5ebdff2f2df4 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_begin_short_backtrace::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   51:     0x5ebdff2fb422 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   52:     0x5ebdff2fb422 - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   53:     0x5ebdff2fb422 - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   54:     0x5ebdff2fb422 - std[716c9a7a72e5c14e]::panicking::catch_unwind::<(), core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   55:     0x5ebdff2fb422 - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   56:     0x5ebdff2fb422 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   57:     0x5ebdff2fb422 - <std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   58:     0x5ebdff40b26f - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn core[c5ed12ab89cc536a]::ops::function::FnOnce<(), Output = ()> + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   59:     0x5ebdff40b26f - <std[716c9a7a72e5c14e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   60:     0x7ff536440aa4 - <unknown>
[INFO] [stdout]   61:     0x7ff5364cda64 - clone
[INFO] [stdout]   62:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     db::tests::test_db_basic
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.37s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1cfd19a8b3b1d9ad43b65a528c188d4836a36a4126a857ffb365d1ead98685e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cfd19a8b3b1d9ad43b65a528c188d4836a36a4126a857ffb365d1ead98685e1", kill_on_drop: false }`
[INFO] [stdout] 1cfd19a8b3b1d9ad43b65a528c188d4836a36a4126a857ffb365d1ead98685e1
