[INFO] fetching crate lsm_engine 0.1.9... [INFO] testing lsm_engine-0.1.9 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296 [INFO] extracting crate lsm_engine 0.1.9 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate lsm_engine 0.1.9 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate lsm_engine 0.1.9 [INFO] finished tweaking crates.io crate lsm_engine 0.1.9 [INFO] tweaked toml for crates.io crate lsm_engine 0.1.9 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5b1bfbefe4646b6b32b34f9a1df076d79031a0e4ca1bfa77ce1bf7213f7cbd96 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "5b1bfbefe4646b6b32b34f9a1df076d79031a0e4ca1bfa77ce1bf7213f7cbd96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5b1bfbefe4646b6b32b34f9a1df076d79031a0e4ca1bfa77ce1bf7213f7cbd96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b1bfbefe4646b6b32b34f9a1df076d79031a0e4ca1bfa77ce1bf7213f7cbd96", kill_on_drop: false }` [INFO] [stdout] 5b1bfbefe4646b6b32b34f9a1df076d79031a0e4ca1bfa77ce1bf7213f7cbd96 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9194deda6dd4997f980358ed4c28dbd138fe22311ab126f142fe753064eb9f8d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "9194deda6dd4997f980358ed4c28dbd138fe22311ab126f142fe753064eb9f8d", kill_on_drop: false }` [INFO] [stderr] Compiling compare v0.1.0 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling syn v1.0.52 [INFO] [stderr] Compiling binary-heap-plus v0.2.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling thiserror-impl v1.0.22 [INFO] [stderr] Compiling thiserror v1.0.22 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Compiling lsm_engine v0.1.9 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `closest_key` [INFO] [stdout] --> src/lib.rs:272:14 [INFO] [stdout] | [INFO] [stdout] 272 | let (closest_key, (key_offset, segment_index)) = maybe_closest_key.unwrap(); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_closest_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `other` [INFO] [stdout] --> src/sst.rs:75:27 [INFO] [stdout] | [INFO] [stdout] 75 | fn partial_cmp(&self, other: &Self) -> Option { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_other` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `clear` [INFO] [stdout] --> src/memtable.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn clear(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/sst.rs:189:12 [INFO] [stdout] | [INFO] [stdout] 189 | pub fn new(path: &str) -> Segment { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `timestamp` [INFO] [stdout] --> src/sst.rs:208:12 [INFO] [stdout] | [INFO] [stdout] 208 | pub fn timestamp(&self) -> Instant { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `at` [INFO] [stdout] --> src/sst.rs:248:12 [INFO] [stdout] | [INFO] [stdout] 248 | pub fn at(&mut self, pos: u64) -> Result> { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused attribute [INFO] [stdout] --> src/sst.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused attribute [INFO] [stdout] --> src/kv.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 34.46s [INFO] running `Command { std: "docker" "inspect" "9194deda6dd4997f980358ed4c28dbd138fe22311ab126f142fe753064eb9f8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9194deda6dd4997f980358ed4c28dbd138fe22311ab126f142fe753064eb9f8d", kill_on_drop: false }` [INFO] [stdout] 9194deda6dd4997f980358ed4c28dbd138fe22311ab126f142fe753064eb9f8d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] bb6e65d21fc8ebc7bb9132ccc97e69b4de1721be79f75b536bf1031cc4594008 [INFO] running `Command { std: "docker" "start" "-a" "bb6e65d21fc8ebc7bb9132ccc97e69b4de1721be79f75b536bf1031cc4594008", kill_on_drop: false }` [INFO] [stderr] Compiling lsm_engine v0.1.9 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `closest_key` [INFO] [stdout] --> src/lib.rs:272:14 [INFO] [stdout] | [INFO] [stdout] 272 | let (closest_key, (key_offset, segment_index)) = maybe_closest_key.unwrap(); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_closest_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `other` [INFO] [stdout] --> src/sst.rs:75:27 [INFO] [stdout] | [INFO] [stdout] 75 | fn partial_cmp(&self, other: &Self) -> Option { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_other` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `clear` [INFO] [stdout] --> src/memtable.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn clear(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/sst.rs:189:12 [INFO] [stdout] | [INFO] [stdout] 189 | pub fn new(path: &str) -> Segment { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `timestamp` [INFO] [stdout] --> src/sst.rs:208:12 [INFO] [stdout] | [INFO] [stdout] 208 | pub fn timestamp(&self) -> Instant { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `at` [INFO] [stdout] --> src/sst.rs:248:12 [INFO] [stdout] | [INFO] [stdout] 248 | pub fn at(&mut self, pos: u64) -> Result> { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused attribute [INFO] [stdout] --> src/sst.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused attribute [INFO] [stdout] --> src/kv.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TOMBSTONE_VALUE` [INFO] [stdout] --> src/lib.rs:312:17 [INFO] [stdout] | [INFO] [stdout] 312 | use crate::{TOMBSTONE_VALUE}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `closest_key` [INFO] [stdout] --> src/lib.rs:272:14 [INFO] [stdout] | [INFO] [stdout] 272 | let (closest_key, (key_offset, segment_index)) = maybe_closest_key.unwrap(); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_closest_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `other` [INFO] [stdout] --> src/sst.rs:75:27 [INFO] [stdout] | [INFO] [stdout] 75 | fn partial_cmp(&self, other: &Self) -> Option { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_other` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `offset_1` [INFO] [stdout] --> src/sst.rs:361:13 [INFO] [stdout] | [INFO] [stdout] 361 | let offset_1 = sst.write(KVPair { key: "k1".to_owned(), value: "v1".to_owned() })?; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset_1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `index` [INFO] [stdout] --> src/sst.rs:387:40 [INFO] [stdout] | [INFO] [stdout] 387 | let mut merged = merge(v, 20, |index, offset, _| {})?; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `offset` [INFO] [stdout] --> src/sst.rs:387:47 [INFO] [stdout] | [INFO] [stdout] 387 | let mut merged = merge(v, 20, |index, offset, _| {})?; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `index` [INFO] [stdout] --> src/sst.rs:414:41 [INFO] [stdout] | [INFO] [stdout] 414 | let mut merged = merge(v, 100, |index, offset, _| {})?; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `offset` [INFO] [stdout] --> src/sst.rs:414:48 [INFO] [stdout] | [INFO] [stdout] 414 | let mut merged = merge(v, 100, |index, offset, _| {})?; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `random_value` [INFO] [stdout] --> src/lib.rs:387:30 [INFO] [stdout] | [INFO] [stdout] 387 | let (random_key, random_value) = dataset.choose(&mut rng).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_random_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/lib.rs:410:21 [INFO] [stdout] | [INFO] [stdout] 410 | let (k, v) = &dataset[i]; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/lib.rs:422:21 [INFO] [stdout] | [INFO] [stdout] 422 | let (k, v) = &dataset[i]; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `clear` [INFO] [stdout] --> src/memtable.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn clear(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/sst.rs:189:12 [INFO] [stdout] | [INFO] [stdout] 189 | pub fn new(path: &str) -> Segment { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `timestamp` [INFO] [stdout] --> src/sst.rs:208:12 [INFO] [stdout] | [INFO] [stdout] 208 | pub fn timestamp(&self) -> Instant { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused attribute [INFO] [stdout] --> src/sst.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused attribute [INFO] [stdout] --> src/kv.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.69s [INFO] running `Command { std: "docker" "inspect" "bb6e65d21fc8ebc7bb9132ccc97e69b4de1721be79f75b536bf1031cc4594008", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb6e65d21fc8ebc7bb9132ccc97e69b4de1721be79f75b536bf1031cc4594008", kill_on_drop: false }` [INFO] [stdout] bb6e65d21fc8ebc7bb9132ccc97e69b4de1721be79f75b536bf1031cc4594008 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6ff0def62261692f9fb4290c8c5e4bef407ae8944b404ea0539179a09602ac02 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "6ff0def62261692f9fb4290c8c5e4bef407ae8944b404ea0539179a09602ac02", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unused variable: `closest_key` [INFO] [stdout] running 15 tests [INFO] [stderr] --> src/lib.rs:272:14 [INFO] [stdout] test memtable::tests::it_works ... ok [INFO] [stderr] | [INFO] [stdout] test sst::tests::test_interspersed_seek_and_search ... ok [INFO] [stderr] 272 | let (closest_key, (key_offset, segment_index)) = maybe_closest_key.unwrap(); [INFO] [stdout] test sst::tests::test_search_range ... ok [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_closest_key` [INFO] [stdout] test sst::tests::test_merges ... ok [INFO] [stderr] | [INFO] [stdout] test sst::tests::test_merge_with_same_keys_different_timestamps ... ok [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] test tests::it_works ... ok [INFO] [stderr] [INFO] [stdout] test tests::test_contains ... ok [INFO] [stderr] warning: unused variable: `other` [INFO] [stderr] --> src/sst.rs:75:27 [INFO] [stderr] | [INFO] [stderr] 75 | fn partial_cmp(&self, other: &Self) -> Option { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_other` [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `clear` [INFO] [stderr] --> src/memtable.rs:34:12 [INFO] [stderr] | [INFO] [stderr] 34 | pub fn clear(&mut self) { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/sst.rs:189:12 [INFO] [stderr] | [INFO] [stderr] 189 | pub fn new(path: &str) -> Segment { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `timestamp` [INFO] [stderr] --> src/sst.rs:208:12 [INFO] [stderr] | [INFO] [stderr] 208 | pub fn timestamp(&self) -> Instant { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `at` [INFO] [stderr] --> src/sst.rs:248:12 [INFO] [stderr] | [INFO] [stderr] 248 | pub fn at(&mut self, pos: u64) -> Result> { [INFO] [stderr] | ^^ [INFO] [stderr] [INFO] [stderr] warning: unused attribute [INFO] [stderr] --> src/sst.rs:11:1 [INFO] [stderr] | [INFO] [stderr] 11 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_attributes)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused attribute [INFO] [stderr] --> src/kv.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 8 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `TOMBSTONE_VALUE` [INFO] [stderr] --> src/lib.rs:312:17 [INFO] [stderr] | [INFO] [stderr] 312 | use crate::{TOMBSTONE_VALUE}; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `closest_key` [INFO] [stderr] --> src/lib.rs:272:14 [INFO] [stderr] | [INFO] [stderr] 272 | let (closest_key, (key_offset, segment_index)) = maybe_closest_key.unwrap(); [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_closest_key` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `other` [INFO] [stderr] --> src/sst.rs:75:27 [INFO] [stderr] | [INFO] [stderr] 75 | fn partial_cmp(&self, other: &Self) -> Option { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_other` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `offset_1` [INFO] [stderr] --> src/sst.rs:361:13 [INFO] [stderr] | [INFO] [stderr] 361 | let offset_1 = sst.write(KVPair { key: "k1".to_owned(), value: "v1".to_owned() })?; [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset_1` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `index` [INFO] [stderr] --> src/sst.rs:387:40 [INFO] [stderr] | [INFO] [stderr] 387 | let mut merged = merge(v, 20, |index, offset, _| {})?; [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `offset` [INFO] [stderr] --> src/sst.rs:387:47 [INFO] [stderr] | [INFO] [stderr] 387 | let mut merged = merge(v, 20, |index, offset, _| {})?; [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `index` [INFO] [stderr] --> src/sst.rs:414:41 [INFO] [stderr] | [INFO] [stderr] 414 | let mut merged = merge(v, 100, |index, offset, _| {})?; [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `offset` [INFO] [stderr] --> src/sst.rs:414:48 [INFO] [stderr] | [INFO] [stderr] 414 | let mut merged = merge(v, 100, |index, offset, _| {})?; [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `random_value` [INFO] [stderr] --> src/lib.rs:387:30 [INFO] [stderr] | [INFO] [stderr] 387 | let (random_key, random_value) = dataset.choose(&mut rng).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_random_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v` [INFO] [stderr] --> src/lib.rs:410:21 [INFO] [stderr] | [INFO] [stderr] 410 | let (k, v) = &dataset[i]; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v` [INFO] [stderr] --> src/lib.rs:422:21 [INFO] [stderr] | [INFO] [stderr] 422 | let (k, v) = &dataset[i]; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `clear` [INFO] [stderr] --> src/memtable.rs:34:12 [INFO] [stderr] | [INFO] [stderr] 34 | pub fn clear(&mut self) { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/sst.rs:189:12 [INFO] [stderr] | [INFO] [stderr] 189 | pub fn new(path: &str) -> Segment { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `timestamp` [INFO] [stderr] --> src/sst.rs:208:12 [INFO] [stderr] | [INFO] [stderr] 208 | pub fn timestamp(&self) -> Instant { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused attribute [INFO] [stderr] --> src/sst.rs:11:1 [INFO] [stderr] | [INFO] [stderr] 11 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_attributes)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused attribute [INFO] [stderr] --> src/kv.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 16 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/lsm_engine-e501728faa76561d [INFO] [stdout] test sst::tests::test_read ... ok [INFO] [stdout] test sst::tests::test_seek ... ok [INFO] [stdout] test sst::tests::test_search ... ok [INFO] [stdout] test tests::test_deletions ... ok [INFO] [stdout] test tests::test_reads_on_duplicate_keys ... ok [INFO] [stdout] test sst::tests::test_unsorted_writes ... ok [INFO] [stdout] test tests::test_recovery_with_wal ... FAILED [INFO] [stdout] test tests::test_on_large_dataset ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::test_recovery_with_wal stdout ---- [INFO] [stdout] thread 'tests::test_recovery_with_wal' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/lib.rs:166:14 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x56534417d620 - std::backtrace_rs::backtrace::libunwind::trace::h95fc93571932622e [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x56534417d620 - std::backtrace_rs::backtrace::trace_unsynchronized::h4d0b90afc33151fd [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x56534417d620 - std::sys_common::backtrace::_print_fmt::h93d302d001a3bf01 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x56534417d620 - ::fmt::h7881e3a580134f9a [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x5653441a17cc - core::fmt::write::h1857a60b204f1b6a [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/fmt/mod.rs:1078:17 [INFO] [stdout] 5: 0x565344179a02 - std::io::Write::write_fmt::hd17811b9a5dec54b [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/io/mod.rs:1519:15 [INFO] [stdout] 6: 0x56534417ff15 - std::sys_common::backtrace::_print::h3e3f9fed81bc11e9 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x56534417ff15 - std::sys_common::backtrace::print::hd22ac23fed5071c8 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x56534417ff15 - std::panicking::default_hook::{{closure}}::h1647bdcf68060e17 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x56534417faa2 - std::panicking::default_hook::hb08853b392b9404b [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:222:9 [INFO] [stdout] 10: 0x5653441806b1 - std::panicking::rust_panic_with_hook::h3624ee29da369ede [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:591:17 [INFO] [stdout] 11: 0x5653441801f7 - std::panicking::begin_panic_handler::{{closure}}::hefcfcedcde6bb6d9 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:497:13 [INFO] [stdout] 12: 0x56534417dadc - std::sys_common::backtrace::__rust_end_short_backtrace::heb130cec93caa706 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x565344180159 - rust_begin_unwind [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:493:5 [INFO] [stdout] 14: 0x5653441a0151 - core::panicking::panic_fmt::hb15d6f55e8472f62 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x56534419ff73 - core::option::expect_none_failed::he492a18657d97593 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/option.rs:1268:5 [INFO] [stdout] 16: 0x5653440b9cfb - core::result::Result::unwrap::hc77588e39988d8f3 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/result.rs:973:23 [INFO] [stdout] 17: 0x565344068f62 - lsm_engine::LSMBuilder::wal_path::h5de8150b639f7e36 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:161:20 [INFO] [stdout] 18: 0x565344084db8 - lsm_engine::tests::test_recovery_with_wal::h14f6165c6a83d7d5 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:401:23 [INFO] [stdout] 19: 0x565344084d4e - lsm_engine::tests::test_recovery_with_wal::{{closure}}::hde62dae93bbb282e [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:400:5 [INFO] [stdout] 20: 0x5653440ab78e - core::ops::function::FnOnce::call_once::h27774a25eaa6e198 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x5653440f6f73 - core::ops::function::FnOnce::call_once::h72b3efc134abec04 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 22: 0x5653440f6f73 - test::__rust_begin_short_backtrace::hf76173a3f44f554b [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/test/src/lib.rs:516:5 [INFO] [stdout] 23: 0x5653440f5668 - as core::ops::function::FnOnce>::call_once::h49f5b686efed1e06 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/alloc/src/boxed.rs:1318:9 [INFO] [stdout] 24: 0x5653440f5668 - as core::ops::function::FnOnce<()>>::call_once::h4879f836ca9aaead [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panic.rs:322:9 [INFO] [stdout] 25: 0x5653440f5668 - std::panicking::try::do_call::h9655796ce3021b6c [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:379:40 [INFO] [stdout] 26: 0x5653440f5668 - std::panicking::try::h346508ed448399f4 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:343:19 [INFO] [stdout] 27: 0x5653440f5668 - std::panic::catch_unwind::h00e84f4e9c3caaa0 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panic.rs:396:14 [INFO] [stdout] 28: 0x5653440f5668 - test::run_test_in_process::hc80321f825c30106 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/test/src/lib.rs:538:18 [INFO] [stdout] 29: 0x5653440f5668 - test::run_test::run_test_inner::{{closure}}::h89c217441620999f [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/test/src/lib.rs:449:39 [INFO] [stdout] 30: 0x5653440cfc56 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3852ec0877008db6 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stdout] 31: 0x5653440d441d - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h7c7dfff4b938ae67 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/thread/mod.rs:474:17 [INFO] [stdout] 32: 0x5653440d441d - as core::ops::function::FnOnce<()>>::call_once::h8db0dd15c072a403 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panic.rs:322:9 [INFO] [stdout] 33: 0x5653440d441d - std::panicking::try::do_call::haad8639857ae1187 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:379:40 [INFO] [stdout] 34: 0x5653440d441d - std::panicking::try::h61de115e9dce60f6 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:343:19 [INFO] [stdout] 35: 0x5653440d441d - std::panic::catch_unwind::h50601fd82666a838 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panic.rs:396:14 [INFO] [stdout] 36: 0x5653440d441d - std::thread::Builder::spawn_unchecked::{{closure}}::hac267391ef9d21bd [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/thread/mod.rs:473:30 [INFO] [stdout] 37: 0x5653440d441d - core::ops::function::FnOnce::call_once{{vtable.shim}}::heb15d2d9c42706b7 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 38: 0x56534418624a - as core::ops::function::FnOnce>::call_once::h5446ed3fdb82006e [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/alloc/src/boxed.rs:1318:9 [INFO] [stdout] 39: 0x56534418624a - as core::ops::function::FnOnce>::call_once::h62a21a889329a3f2 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/alloc/src/boxed.rs:1318:9 [INFO] [stdout] 40: 0x56534418624a - std::sys::unix::thread::Thread::new::thread_start::h62402416daf174b6 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys/unix/thread.rs:71:17 [INFO] [stdout] 41: 0x7f1b2cce9609 - start_thread [INFO] [stdout] 42: 0x7f1b2cabb293 - clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::test_recovery_with_wal [INFO] [stdout] [INFO] [stdout] test result: FAILED. 14 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] running `Command { std: "docker" "inspect" "6ff0def62261692f9fb4290c8c5e4bef407ae8944b404ea0539179a09602ac02", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ff0def62261692f9fb4290c8c5e4bef407ae8944b404ea0539179a09602ac02", kill_on_drop: false }` [INFO] [stdout] 6ff0def62261692f9fb4290c8c5e4bef407ae8944b404ea0539179a09602ac02