Nov 28 04:54:57.641 INFO checking gfreezy/lsm-rs against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 04:54:57.641 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +db42d4dad33013eba11ef37342ad9f614e5652b8-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 28 04:54:58.188 INFO [stdout] cca8096c18591ae738c5ca3748b4505f73503a05f69b7cc062da58f945f5641b
Nov 28 04:54:58.192 INFO running `"docker" "start" "-a" "cca8096c18591ae738c5ca3748b4505f73503a05f69b7cc062da58f945f5641b"`
Nov 28 04:54:59.100 INFO [stderr] usermod: no changes
Nov 28 04:54:59.240 INFO [stderr]     Checking num-complex v0.1.43
Nov 28 04:54:59.244 INFO [stderr]     Checking num-bigint v0.1.44
Nov 28 04:54:59.252 INFO [stderr]    Compiling syn v0.14.9
Nov 28 04:55:02.253 INFO [stderr]     Checking num-rational v0.1.42
Nov 28 04:55:03.638 INFO [stderr]     Checking num v0.1.42
Nov 28 04:55:04.540 INFO [stderr]     Checking spectral v0.6.0
Nov 28 04:55:16.744 INFO [stderr]    Compiling synstructure v0.9.0
Nov 28 04:55:22.265 INFO [stderr]    Compiling failure_derive v0.1.2
Nov 28 04:55:26.102 INFO [stderr]     Checking failure v0.1.2
Nov 28 04:55:26.926 INFO [stderr]     Checking lsm-rs v0.1.0 (/source)
Nov 28 04:55:28.520 INFO [stderr] warning: constant item is never used: `RECORD_EXTRA_SIZE`
Nov 28 04:55:28.520 INFO [stderr]  --> src/block.rs:8:1
Nov 28 04:55:28.520 INFO [stderr]   |
Nov 28 04:55:28.520 INFO [stderr] 8 | const RECORD_EXTRA_SIZE: usize = 7; // 7 bytes
Nov 28 04:55:28.520 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:55:28.521 INFO [stderr]   |
Nov 28 04:55:28.521 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 28 04:55:28.521 INFO [stderr] 
Nov 28 04:55:28.521 INFO [stderr] warning: variant is never constructed: `Full`
Nov 28 04:55:28.521 INFO [stderr]   --> src/block.rs:12:5
Nov 28 04:55:28.521 INFO [stderr]    |
Nov 28 04:55:28.521 INFO [stderr] 12 |     Full = 1,
Nov 28 04:55:28.521 INFO [stderr]    |     ^^^^^^^^
Nov 28 04:55:28.521 INFO [stderr] 
Nov 28 04:55:28.521 INFO [stderr] warning: variant is never constructed: `First`
Nov 28 04:55:28.521 INFO [stderr]   --> src/block.rs:13:5
Nov 28 04:55:28.521 INFO [stderr]    |
Nov 28 04:55:28.521 INFO [stderr] 13 |     First = 2,
Nov 28 04:55:28.521 INFO [stderr]    |     ^^^^^^^^^
Nov 28 04:55:28.521 INFO [stderr] 
Nov 28 04:55:28.521 INFO [stderr] warning: variant is never constructed: `Middle`
Nov 28 04:55:28.521 INFO [stderr]   --> src/block.rs:14:5
Nov 28 04:55:28.521 INFO [stderr]    |
Nov 28 04:55:28.521 INFO [stderr] 14 |     Middle = 3,
Nov 28 04:55:28.521 INFO [stderr]    |     ^^^^^^^^^^
Nov 28 04:55:28.521 INFO [stderr] 
Nov 28 04:55:28.521 INFO [stderr] warning: variant is never constructed: `Last`
Nov 28 04:55:28.521 INFO [stderr]   --> src/block.rs:15:5
Nov 28 04:55:28.521 INFO [stderr]    |
Nov 28 04:55:28.521 INFO [stderr] 15 |     Last = 4,
Nov 28 04:55:28.521 INFO [stderr]    |     ^^^^^^^^
Nov 28 04:55:28.521 INFO [stderr] 
Nov 28 04:55:28.521 INFO [stderr] warning: method is never used: `new`
Nov 28 04:55:28.521 INFO [stderr]   --> src/block.rs:27:5
Nov 28 04:55:28.521 INFO [stderr]    |
Nov 28 04:55:28.521 INFO [stderr] 27 |     pub fn new(typ: Type, data: &'a [u8]) -> Self {
Nov 28 04:55:28.521 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:55:28.521 INFO [stderr] 
Nov 28 04:55:28.521 INFO [stderr] warning: method is never used: `write_to`
Nov 28 04:55:28.521 INFO [stderr]   --> src/block.rs:40:5
Nov 28 04:55:28.521 INFO [stderr]    |
Nov 28 04:55:28.521 INFO [stderr] 40 |     pub fn write_to<W: WriteBytesExt>(&self, writer: &mut W) -> io::Result<()> {
Nov 28 04:55:28.521 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:55:28.521 INFO [stderr] 
Nov 28 04:55:28.521 INFO [stderr] warning: method is never used: `compute_checksum`
Nov 28 04:55:28.521 INFO [stderr]   --> src/block.rs:47:5
Nov 28 04:55:28.521 INFO [stderr]    |
Nov 28 04:55:28.521 INFO [stderr] 47 |     fn compute_checksum(typ: Type, data: &[u8]) -> u32 {
Nov 28 04:55:28.521 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:55:28.521 INFO [stderr] 
Nov 28 04:55:28.521 INFO [stderr] warning: function is never used: `make_records_from_buf`
Nov 28 04:55:28.521 INFO [stderr]   --> src/block.rs:55:1
Nov 28 04:55:28.521 INFO [stderr]    |
Nov 28 04:55:28.521 INFO [stderr] 55 | pub fn make_records_from_buf(free_block_size: usize, buf: &[u8]) -> Vec<Record> {
Nov 28 04:55:28.521 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:55:28.521 INFO [stderr] 
Nov 28 04:55:28.521 INFO [stderr] warning: variant is never constructed: `AvailableSpace`
Nov 28 04:55:28.521 INFO [stderr]  --> src/memtable.rs:9:5
Nov 28 04:55:28.521 INFO [stderr]   |
Nov 28 04:55:28.521 INFO [stderr] 9 |     AvailableSpace,
Nov 28 04:55:28.521 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 28 04:55:28.521 INFO [stderr] 
Nov 28 04:55:28.521 INFO [stderr] warning: variant is never constructed: `ThresholdReached`
Nov 28 04:55:28.521 INFO [stderr]   --> src/memtable.rs:10:5
Nov 28 04:55:28.521 INFO [stderr]    |
Nov 28 04:55:28.521 INFO [stderr] 10 |     ThresholdReached,
Nov 28 04:55:28.521 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Nov 28 04:55:28.521 INFO [stderr] 
Nov 28 04:55:28.521 INFO [stderr] warning: method is never used: `new`
Nov 28 04:55:28.521 INFO [stderr]   --> src/memtable.rs:23:5
Nov 28 04:55:28.521 INFO [stderr]    |
Nov 28 04:55:28.521 INFO [stderr] 23 |     pub fn new(max_size: usize) -> Self {
Nov 28 04:55:28.521 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:55:28.521 INFO [stderr] 
Nov 28 04:55:28.521 INFO [stderr] warning: method is never used: `set`
Nov 28 04:55:28.521 INFO [stderr]   --> src/memtable.rs:31:5
Nov 28 04:55:28.521 INFO [stderr]    |
Nov 28 04:55:28.521 INFO [stderr] 31 |     pub fn set(&mut self, key: Key, value: Value) -> Fallible<SetRet> {
Nov 28 04:55:28.521 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:55:28.521 INFO [stderr] 
Nov 28 04:55:28.521 INFO [stderr] warning: method is never used: `get`
Nov 28 04:55:28.521 INFO [stderr]   --> src/memtable.rs:55:5
Nov 28 04:55:28.521 INFO [stderr]    |
Nov 28 04:55:28.521 INFO [stderr] 55 |     pub fn get(&self, key: &[u8]) -> Option<Value> {
Nov 28 04:55:28.521 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:55:28.521 INFO [stderr] 
Nov 28 04:55:28.522 INFO [stderr] warning: method is never used: `remove`
Nov 28 04:55:28.522 INFO [stderr]   --> src/memtable.rs:63:5
Nov 28 04:55:28.522 INFO [stderr]    |
Nov 28 04:55:28.522 INFO [stderr] 63 |     pub fn remove(&mut self, key: Key) -> Fallible<SetRet> {
Nov 28 04:55:28.522 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:55:28.522 INFO [stderr] 
Nov 28 04:55:28.522 INFO [stderr] warning: method is never used: `is_threshold_reached`
Nov 28 04:55:28.522 INFO [stderr]   --> src/memtable.rs:67:5
Nov 28 04:55:28.522 INFO [stderr]    |
Nov 28 04:55:28.522 INFO [stderr] 67 |     pub fn is_threshold_reached(&self) -> bool {
Nov 28 04:55:28.522 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:55:28.522 INFO [stderr] 
Nov 28 04:55:28.522 INFO [stderr] warning: method is never used: `get`
Nov 28 04:55:28.522 INFO [stderr]   --> src/memtable.rs:92:5
Nov 28 04:55:28.522 INFO [stderr]    |
Nov 28 04:55:28.522 INFO [stderr] 92 |     pub fn get(&self, key: &[u8]) -> Option<&Value> {
Nov 28 04:55:28.522 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:55:28.522 INFO [stderr] 
Nov 28 04:55:28.522 INFO [stderr] warning: method is never used: `iter`
Nov 28 04:55:28.522 INFO [stderr]   --> src/memtable.rs:96:5
Nov 28 04:55:28.522 INFO [stderr]    |
Nov 28 04:55:28.522 INFO [stderr] 96 |     pub fn iter(&self) -> impl Iterator<Item = (&Key, &Value)> {
Nov 28 04:55:28.522 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:55:28.522 INFO [stderr] 
Nov 28 04:55:28.522 INFO [stderr] warning: struct is never constructed: `SSTable`
Nov 28 04:55:28.522 INFO [stderr]  --> src/sstable.rs:4:1
Nov 28 04:55:28.522 INFO [stderr]   |
Nov 28 04:55:28.522 INFO [stderr] 4 | pub struct SSTable {
Nov 28 04:55:28.522 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Nov 28 04:55:28.522 INFO [stderr] 
Nov 28 04:55:28.522 INFO [stderr] warning: constant item is never used: `TOMBSTONE`
Nov 28 04:55:28.522 INFO [stderr]  --> src/types.rs:4:1
Nov 28 04:55:28.522 INFO [stderr]   |
Nov 28 04:55:28.522 INFO [stderr] 4 | pub const TOMBSTONE: &[u8] = &[0x6b, 0xe5, 0xa5, 0xa2];
Nov 28 04:55:28.522 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:55:28.522 INFO [stderr] 
Nov 28 04:55:28.522 INFO [stderr] warning: constant item is never used: `WAL_LOG_MAX_SIZE`
Nov 28 04:55:28.522 INFO [stderr]  --> src/types.rs:6:1
Nov 28 04:55:28.522 INFO [stderr]   |
Nov 28 04:55:28.522 INFO [stderr] 6 | pub const WAL_LOG_MAX_SIZE: usize = 4 * 1024 * 1024;
Nov 28 04:55:28.522 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:55:28.522 INFO [stderr] 
Nov 28 04:55:28.522 INFO [stderr] warning: constant item is never used: `BLOCK_MAX_SIZE`
Nov 28 04:55:28.522 INFO [stderr]  --> src/types.rs:8:1
Nov 28 04:55:28.522 INFO [stderr]   |
Nov 28 04:55:28.522 INFO [stderr] 8 | pub const BLOCK_MAX_SIZE: usize = 32 * 1024; // 32KB
Nov 28 04:55:28.522 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:55:28.522 INFO [stderr] 
Nov 28 04:55:28.522 INFO [stderr] warning: constant item is never used: `BLOCK_MIN_FREE_SIZE`
Nov 28 04:55:28.522 INFO [stderr]  --> src/types.rs:9:1
Nov 28 04:55:28.522 INFO [stderr]   |
Nov 28 04:55:28.522 INFO [stderr] 9 | pub const BLOCK_MIN_FREE_SIZE: usize = 6; // 6 bytes
Nov 28 04:55:28.522 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:55:28.522 INFO [stderr] 
Nov 28 04:55:28.522 INFO [stderr] warning: struct is never constructed: `Wal`
Nov 28 04:55:28.522 INFO [stderr]   --> src/wal.rs:14:1
Nov 28 04:55:28.522 INFO [stderr]    |
Nov 28 04:55:28.522 INFO [stderr] 14 | pub struct Wal {
Nov 28 04:55:28.522 INFO [stderr]    | ^^^^^^^^^^^^^^
Nov 28 04:55:28.522 INFO [stderr] 
Nov 28 04:55:28.522 INFO [stderr] warning: method is never used: `new`
Nov 28 04:55:28.522 INFO [stderr]   --> src/wal.rs:22:5
Nov 28 04:55:28.522 INFO [stderr]    |
Nov 28 04:55:28.522 INFO [stderr] 22 |     pub fn new<P: AsRef<Path>>(path: P) -> Self {
Nov 28 04:55:28.522 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:55:28.522 INFO [stderr] 
Nov 28 04:55:28.522 INFO [stderr] warning: method is never used: `make_records`
Nov 28 04:55:28.522 INFO [stderr]   --> src/wal.rs:37:5
Nov 28 04:55:28.522 INFO [stderr]    |
Nov 28 04:55:28.522 INFO [stderr] 37 |     pub fn make_records<'a>(&self, buf: &'a [u8]) -> Vec<Record<'a>> {
Nov 28 04:55:28.522 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:55:28.522 INFO [stderr] 
Nov 28 04:55:28.522 INFO [stderr] warning: method is never used: `write_records`
Nov 28 04:55:28.522 INFO [stderr]   --> src/wal.rs:41:5
Nov 28 04:55:28.522 INFO [stderr]    |
Nov 28 04:55:28.522 INFO [stderr] 41 |     pub fn write_records<'a>(&mut self, records: Vec<Record<'a>>) -> Fallible<Vec<Record<'a>>> {
Nov 28 04:55:28.522 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:55:28.522 INFO [stderr] 
Nov 28 04:55:28.522 INFO [stderr] warning: method is never used: `write_record`
Nov 28 04:55:28.522 INFO [stderr]   --> src/wal.rs:62:5
Nov 28 04:55:28.522 INFO [stderr]    |
Nov 28 04:55:28.522 INFO [stderr] 62 |     fn write_record(&mut self, record: &Record) -> io::Result<()> {
Nov 28 04:55:28.522 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:55:28.523 INFO [stderr] 
Nov 28 04:55:28.523 INFO [stderr] warning: method is never used: `new_block`
Nov 28 04:55:28.523 INFO [stderr]   --> src/wal.rs:78:5
Nov 28 04:55:28.523 INFO [stderr]    |
Nov 28 04:55:28.523 INFO [stderr] 78 |     fn new_block(&mut self) -> io::Result<()> {
Nov 28 04:55:28.523 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:55:28.523 INFO [stderr] 
Nov 28 04:55:28.523 INFO [stderr] warning: method is never used: `write_trailer`
Nov 28 04:55:28.523 INFO [stderr]   --> src/wal.rs:86:5
Nov 28 04:55:28.523 INFO [stderr]    |
Nov 28 04:55:28.523 INFO [stderr] 86 |     fn write_trailer(&mut self) -> io::Result<()> {
Nov 28 04:55:28.523 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:55:28.523 INFO [stderr] 
Nov 28 04:55:28.523 INFO [stderr] warning: method is never used: `free_space`
Nov 28 04:55:28.523 INFO [stderr]   --> src/wal.rs:91:5
Nov 28 04:55:28.523 INFO [stderr]    |
Nov 28 04:55:28.523 INFO [stderr] 91 |     fn free_space(&self) -> usize {
Nov 28 04:55:28.523 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:55:28.523 INFO [stderr] 
Nov 28 04:55:28.523 INFO [stderr] warning: method is never used: `current_block_free_space`
Nov 28 04:55:28.523 INFO [stderr]   --> src/wal.rs:95:5
Nov 28 04:55:28.523 INFO [stderr]    |
Nov 28 04:55:28.523 INFO [stderr] 95 |     fn current_block_free_space(&self) -> usize {
Nov 28 04:55:28.523 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:55:28.523 INFO [stderr] 
Nov 28 04:55:28.816 INFO [stderr] warning: struct is never constructed: `SSTable`
Nov 28 04:55:28.816 INFO [stderr]  --> src/sstable.rs:4:1
Nov 28 04:55:28.816 INFO [stderr]   |
Nov 28 04:55:28.816 INFO [stderr] 4 | pub struct SSTable {
Nov 28 04:55:28.816 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Nov 28 04:55:28.816 INFO [stderr]   |
Nov 28 04:55:28.816 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 28 04:55:28.816 INFO [stderr] 
Nov 28 04:55:28.816 INFO [stderr] warning: field is never used: `path`
Nov 28 04:55:28.816 INFO [stderr]   --> src/wal.rs:15:5
Nov 28 04:55:28.816 INFO [stderr]    |
Nov 28 04:55:28.816 INFO [stderr] 15 |     path: PathBuf,
Nov 28 04:55:28.816 INFO [stderr]    |     ^^^^^^^^^^^^^
Nov 28 04:55:28.816 INFO [stderr] 
Nov 28 04:55:28.852 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.71s
Nov 28 04:55:28.855 INFO [stderr] su: No module specific data is present
Nov 28 04:55:29.546 INFO running `"docker" "inspect" "cca8096c18591ae738c5ca3748b4505f73503a05f69b7cc062da58f945f5641b"`
Nov 28 04:55:29.773 INFO running `"docker" "rm" "-f" "cca8096c18591ae738c5ca3748b4505f73503a05f69b7cc062da58f945f5641b"`
Nov 28 04:55:30.004 INFO [stdout] cca8096c18591ae738c5ca3748b4505f73503a05f69b7cc062da58f945f5641b