[INFO] updating cached repository gfreezy/lsm-rs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/gfreezy/lsm-rs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/gfreezy/lsm-rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/gfreezy/lsm-rs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/gfreezy/lsm-rs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/gfreezy/lsm-rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/gfreezy/lsm-rs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/gfreezy/lsm-rs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8e0118a1006bebf59b91cf3ce4d8f0e86949a240 [INFO] sha for GitHub repo gfreezy/lsm-rs: 8e0118a1006bebf59b91cf3ce4d8f0e86949a240 [INFO] validating manifest of gfreezy/lsm-rs on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of gfreezy/lsm-rs on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing gfreezy/lsm-rs [INFO] finished frobbing gfreezy/lsm-rs [INFO] frobbed toml for gfreezy/lsm-rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/gfreezy/lsm-rs/Cargo.toml [INFO] started frobbing gfreezy/lsm-rs [INFO] finished frobbing gfreezy/lsm-rs [INFO] frobbed toml for gfreezy/lsm-rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/gfreezy/lsm-rs/Cargo.toml [INFO] crate gfreezy/lsm-rs already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing gfreezy/lsm-rs against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/gfreezy/lsm-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"` [INFO] [stdout] c91f9d723c237c2555a149de7400f398d2ca9532e20c126527dc278db441ac57 [INFO] running `"docker" "start" "-a" "c91f9d723c237c2555a149de7400f398d2ca9532e20c126527dc278db441ac57"` [INFO] [stderr] Compiling num-bigint v0.1.44 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling spectral v0.6.0 [INFO] [stderr] Compiling lsm-rs v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: constant item is never used: `RECORD_EXTRA_SIZE` [INFO] [stderr] --> src/block.rs:8:1 [INFO] [stderr] | [INFO] [stderr] 8 | const RECORD_EXTRA_SIZE: usize = 7; // 7 bytes [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Full` [INFO] [stderr] --> src/block.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | Full = 1, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `First` [INFO] [stderr] --> src/block.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | First = 2, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Middle` [INFO] [stderr] --> src/block.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | Middle = 3, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Last` [INFO] [stderr] --> src/block.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | Last = 4, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/block.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 27 | pub fn new(typ: Type, data: &'a [u8]) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `write_to` [INFO] [stderr] --> src/block.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | pub fn write_to(&self, writer: &mut W) -> io::Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `compute_checksum` [INFO] [stderr] --> src/block.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 47 | fn compute_checksum(typ: Type, data: &[u8]) -> u32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `make_records_from_buf` [INFO] [stderr] --> src/block.rs:55:1 [INFO] [stderr] | [INFO] [stderr] 55 | pub fn make_records_from_buf(free_block_size: usize, buf: &[u8]) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `AvailableSpace` [INFO] [stderr] --> src/memtable.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | AvailableSpace, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `ThresholdReached` [INFO] [stderr] --> src/memtable.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | ThresholdReached, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/memtable.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | pub fn new(max_size: usize) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `set` [INFO] [stderr] --> src/memtable.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 31 | pub fn set(&mut self, key: Key, value: Value) -> Fallible { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get` [INFO] [stderr] --> src/memtable.rs:55:5 [INFO] [stderr] | [INFO] [stderr] 55 | pub fn get(&self, key: &[u8]) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `remove` [INFO] [stderr] --> src/memtable.rs:63:5 [INFO] [stderr] | [INFO] [stderr] 63 | pub fn remove(&mut self, key: Key) -> Fallible { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_threshold_reached` [INFO] [stderr] --> src/memtable.rs:67:5 [INFO] [stderr] | [INFO] [stderr] 67 | pub fn is_threshold_reached(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get` [INFO] [stderr] --> src/memtable.rs:92:5 [INFO] [stderr] | [INFO] [stderr] 92 | pub fn get(&self, key: &[u8]) -> Option<&Value> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `iter` [INFO] [stderr] --> src/memtable.rs:96:5 [INFO] [stderr] | [INFO] [stderr] 96 | pub fn iter(&self) -> impl Iterator { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `SSTable` [INFO] [stderr] --> src/sstable.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | pub struct SSTable { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `TOMBSTONE` [INFO] [stderr] --> src/types.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | pub const TOMBSTONE: &[u8] = &[0x6b, 0xe5, 0xa5, 0xa2]; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `WAL_LOG_MAX_SIZE` [INFO] [stderr] --> src/types.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | pub const WAL_LOG_MAX_SIZE: usize = 4 * 1024 * 1024; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `BLOCK_MAX_SIZE` [INFO] [stderr] --> src/types.rs:8:1 [INFO] [stderr] | [INFO] [stderr] 8 | pub const BLOCK_MAX_SIZE: usize = 32 * 1024; // 32KB [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `BLOCK_MIN_FREE_SIZE` [INFO] [stderr] --> src/types.rs:9:1 [INFO] [stderr] | [INFO] [stderr] 9 | pub const BLOCK_MIN_FREE_SIZE: usize = 6; // 6 bytes [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Wal` [INFO] [stderr] --> src/wal.rs:14:1 [INFO] [stderr] | [INFO] [stderr] 14 | pub struct Wal { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/wal.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | pub fn new>(path: P) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `make_records` [INFO] [stderr] --> src/wal.rs:37:5 [INFO] [stderr] | [INFO] [stderr] 37 | pub fn make_records<'a>(&self, buf: &'a [u8]) -> Vec> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `write_records` [INFO] [stderr] --> src/wal.rs:41:5 [INFO] [stderr] | [INFO] [stderr] 41 | pub fn write_records<'a>(&mut self, records: Vec>) -> Fallible>> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `write_record` [INFO] [stderr] --> src/wal.rs:62:5 [INFO] [stderr] | [INFO] [stderr] 62 | fn write_record(&mut self, record: &Record) -> io::Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new_block` [INFO] [stderr] --> src/wal.rs:78:5 [INFO] [stderr] | [INFO] [stderr] 78 | fn new_block(&mut self) -> io::Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `write_trailer` [INFO] [stderr] --> src/wal.rs:86:5 [INFO] [stderr] | [INFO] [stderr] 86 | fn write_trailer(&mut self) -> io::Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `free_space` [INFO] [stderr] --> src/wal.rs:91:5 [INFO] [stderr] | [INFO] [stderr] 91 | fn free_space(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `current_block_free_space` [INFO] [stderr] --> src/wal.rs:95:5 [INFO] [stderr] | [INFO] [stderr] 95 | fn current_block_free_space(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.85s [INFO] running `"docker" "inspect" "c91f9d723c237c2555a149de7400f398d2ca9532e20c126527dc278db441ac57"` [INFO] running `"docker" "rm" "-f" "c91f9d723c237c2555a149de7400f398d2ca9532e20c126527dc278db441ac57"` [INFO] [stdout] c91f9d723c237c2555a149de7400f398d2ca9532e20c126527dc278db441ac57 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/gfreezy/lsm-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 5de71ec15a54f67dadd1ddaa9afdee956b4cda867fcf39e3da9ed51952278c3f [INFO] running `"docker" "start" "-a" "5de71ec15a54f67dadd1ddaa9afdee956b4cda867fcf39e3da9ed51952278c3f"` [INFO] [stderr] Compiling lsm-rs v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: struct is never constructed: `SSTable` [INFO] [stderr] --> src/sstable.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | pub struct SSTable { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `path` [INFO] [stderr] --> src/wal.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | path: PathBuf, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.32s [INFO] running `"docker" "inspect" "5de71ec15a54f67dadd1ddaa9afdee956b4cda867fcf39e3da9ed51952278c3f"` [INFO] running `"docker" "rm" "-f" "5de71ec15a54f67dadd1ddaa9afdee956b4cda867fcf39e3da9ed51952278c3f"` [INFO] [stdout] 5de71ec15a54f67dadd1ddaa9afdee956b4cda867fcf39e3da9ed51952278c3f [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/gfreezy/lsm-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"` [INFO] [stdout] 6e1988904822fc1f740a08bcf3df4e24885336a81870be222617e2890c859393 [INFO] running `"docker" "start" "-a" "6e1988904822fc1f740a08bcf3df4e24885336a81870be222617e2890c859393"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] Running /opt/crater/target/debug/deps/lsm_rs-06eae78dfde8a6d6 [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test block::tests::test_make_records_into_2blocks ... ok [INFO] [stdout] test memtable::tests::test_memtable_set ... ok [INFO] [stdout] test memtable::tests::test_memtable_remove ... ok [INFO] [stdout] test memtable::tests::test_memtable_get ... ok [INFO] [stdout] test memtable::tests::test_into_immutable_memtable ... ok [INFO] [stderr] [INFO] [stderr] thread 'wal::tests::test_write_wal_overflow' has overflowed its stack [INFO] [stderr] fatal runtime error: stack overflow [INFO] [stderr] error: process didn't exit successfully: `/opt/crater/target/debug/deps/lsm_rs-06eae78dfde8a6d6` (signal: 6, SIGABRT: process abort signal) [INFO] running `"docker" "inspect" "6e1988904822fc1f740a08bcf3df4e24885336a81870be222617e2890c859393"` [INFO] running `"docker" "rm" "-f" "6e1988904822fc1f740a08bcf3df4e24885336a81870be222617e2890c859393"` [INFO] [stdout] 6e1988904822fc1f740a08bcf3df4e24885336a81870be222617e2890c859393