[INFO] crate lsm_engine 0.1.9 is already in cache [INFO] testing lsm_engine-0.1.9 against beta-2020-07-24 for beta-1.46-1 [INFO] extracting crate lsm_engine 0.1.9 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate lsm_engine 0.1.9 on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6104df849370b10dd3b2556a9801b1e7b6b7f00a7e7271c6c060726b2a9a5b08 [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" "6104df849370b10dd3b2556a9801b1e7b6b7f00a7e7271c6c060726b2a9a5b08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6104df849370b10dd3b2556a9801b1e7b6b7f00a7e7271c6c060726b2a9a5b08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6104df849370b10dd3b2556a9801b1e7b6b7f00a7e7271c6c060726b2a9a5b08", kill_on_drop: false }` [INFO] [stdout] 6104df849370b10dd3b2556a9801b1e7b6b7f00a7e7271c6c060726b2a9a5b08 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 113bf97ebbde3ebb926e6991daf3e0960b447ea38a0ce0b235f0afea8adfae3e [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" "113bf97ebbde3ebb926e6991daf3e0960b447ea38a0ce0b235f0afea8adfae3e", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.36 [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Compiling ppv-lite86 v0.2.8 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling compare v0.1.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling binary-heap-plus v0.2.0 [INFO] [stderr] Compiling quote v1.0.7 [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 thiserror-impl v1.0.20 [INFO] [stderr] Compiling thiserror v1.0.20 [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 41.69s [INFO] running `Command { std: "docker" "inspect" "113bf97ebbde3ebb926e6991daf3e0960b447ea38a0ce0b235f0afea8adfae3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "113bf97ebbde3ebb926e6991daf3e0960b447ea38a0ce0b235f0afea8adfae3e", kill_on_drop: false }` [INFO] [stdout] 113bf97ebbde3ebb926e6991daf3e0960b447ea38a0ce0b235f0afea8adfae3e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 17a296eee57ce9cbe8f151cd50f6e0224a82d953916c9fa7f9ff7804b5ee1e35 [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" "17a296eee57ce9cbe8f151cd50f6e0224a82d953916c9fa7f9ff7804b5ee1e35", 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 4.05s [INFO] running `Command { std: "docker" "inspect" "17a296eee57ce9cbe8f151cd50f6e0224a82d953916c9fa7f9ff7804b5ee1e35", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "17a296eee57ce9cbe8f151cd50f6e0224a82d953916c9fa7f9ff7804b5ee1e35", kill_on_drop: false }` [INFO] [stdout] 17a296eee57ce9cbe8f151cd50f6e0224a82d953916c9fa7f9ff7804b5ee1e35 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d02c770f04adb1da1919bf9a29a9627d671b893a8b28b54416b0c5e69a9fb633 [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" "d02c770f04adb1da1919bf9a29a9627d671b893a8b28b54416b0c5e69a9fb633", kill_on_drop: false }` [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: 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 0.14s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/lsm_engine-16ca2eca9cd09fcd [INFO] [stdout] [INFO] [stdout] running 15 tests [INFO] [stdout] test memtable::tests::it_works ... ok [INFO] [stdout] test sst::tests::test_merge_with_same_keys_different_timestamps ... ok [INFO] [stdout] test sst::tests::test_search ... ok [INFO] [stdout] test sst::tests::test_read ... ok [INFO] [stdout] test sst::tests::test_seek ... ok [INFO] [stdout] test sst::tests::test_interspersed_seek_and_search ... ok [INFO] [stdout] test sst::tests::test_search_range ... ok [INFO] [stdout] test tests::test_contains ... ok [INFO] [stdout] test tests::it_works ... ok [INFO] [stdout] test sst::tests::test_merges ... ok [INFO] [stdout] test sst::tests::test_unsorted_writes ... ok [INFO] [stdout] test tests::test_deletions ... ok [INFO] [stdout] test tests::test_reads_on_duplicate_keys ... 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: 0x56346ed83a75 - backtrace::backtrace::libunwind::trace::h5e2646fa3eddf2ea [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x56346ed83a75 - backtrace::backtrace::trace_unsynchronized::hb95dd7f77ce47877 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x56346ed83a75 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x56346ed83a75 - ::fmt::hdb4a83d2b61107e5 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x56346edabd0c - core::fmt::write::ha20e7262fa3e8a7a [INFO] [stdout] at src/libcore/fmt/mod.rs:1076 [INFO] [stdout] 5: 0x56346ece47c5 - std::io::Write::write_fmt::hd8ff364c7845d2d0 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/io/mod.rs:1537 [INFO] [stdout] 6: 0x56346ed7e0d1 - std::io::impls::>::write_fmt::h1c057ef6e8762996 [INFO] [stdout] at src/libstd/io/impls.rs:176 [INFO] [stdout] 7: 0x56346ed862a0 - std::sys_common::backtrace::_print::h9c07314cc66ba539 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x56346ed862a0 - std::sys_common::backtrace::print::hd1fd65f49a2d8544 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x56346ed862a0 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x56346ed85f9a - std::panicking::default_hook::hc5868949d129ed00 [INFO] [stdout] at src/libstd/panicking.rs:214 [INFO] [stdout] 11: 0x56346ed868e3 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8 [INFO] [stdout] at src/libstd/panicking.rs:526 [INFO] [stdout] 12: 0x56346ed864db - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:437 [INFO] [stdout] 13: 0x56346edaa6a1 - core::panicking::panic_fmt::h17139c2000299725 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 14: 0x56346edaa4c3 - core::option::expect_none_failed::h972f96abb4ec8952 [INFO] [stdout] at src/libcore/option.rs:1269 [INFO] [stdout] 15: 0x56346ecb276b - core::result::Result::unwrap::h6333d52f475b82ec [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libcore/result.rs:1005 [INFO] [stdout] 16: 0x56346eccdb3b - lsm_engine::LSMBuilder::wal_path::hfecf522867c126c1 [INFO] [stdout] at src/lib.rs:161 [INFO] [stdout] 17: 0x56346ec98279 - lsm_engine::tests::test_recovery_with_wal::hb5daf3dd41a239d0 [INFO] [stdout] at src/lib.rs:401 [INFO] [stdout] 18: 0x56346ec981fe - lsm_engine::tests::test_recovery_with_wal::{{closure}}::hb7505d140bde5611 [INFO] [stdout] at src/lib.rs:400 [INFO] [stdout] 19: 0x56346ecbf3ce - core::ops::function::FnOnce::call_once::h939a608c3aa2b8ed [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libcore/ops/function.rs:233 [INFO] [stdout] 20: 0x56346ed0bd3c - as core::ops::function::FnOnce>::call_once::h42148c33ed88c979 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/liballoc/boxed.rs:1081 [INFO] [stdout] 21: 0x56346ed0bd3c - as core::ops::function::FnOnce<()>>::call_once::h759dc0b09d774665 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panic.rs:318 [INFO] [stdout] 22: 0x56346ed0bd3c - std::panicking::try::do_call::h676ad1fc9e9badea [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:348 [INFO] [stdout] 23: 0x56346ed0bd3c - std::panicking::try::hee36a8727a3050b0 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:325 [INFO] [stdout] 24: 0x56346ed0bd3c - std::panic::catch_unwind::hd5d426ebd89b2542 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panic.rs:394 [INFO] [stdout] 25: 0x56346ed0bd3c - test::run_test_in_process::h8dacdba4dc4cbaa5 [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 26: 0x56346ed0bd3c - test::run_test::run_test_inner::{{closure}}::hf93754afad6be40f [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 27: 0x56346ece3cb6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h2c69fab544a90730 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 28: 0x56346ece8d45 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hcf302fafa60d80f2 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/thread/mod.rs:475 [INFO] [stdout] 29: 0x56346ece8d45 - as core::ops::function::FnOnce<()>>::call_once::h39ede710608e817e [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panic.rs:318 [INFO] [stdout] 30: 0x56346ece8d45 - std::panicking::try::do_call::hec0b4d2faa46fbf7 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:348 [INFO] [stdout] 31: 0x56346ece8d45 - std::panicking::try::h0144ba3f2539803d [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:325 [INFO] [stdout] 32: 0x56346ece8d45 - std::panic::catch_unwind::ha03e59eb589f857b [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panic.rs:394 [INFO] [stdout] 33: 0x56346ece8d45 - std::thread::Builder::spawn_unchecked::{{closure}}::hdeba34620a4a7a44 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/thread/mod.rs:474 [INFO] [stdout] 34: 0x56346ece8d45 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h552693dbb801eadd [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libcore/ops/function.rs:233 [INFO] [stdout] 35: 0x56346ed8cc3a - as core::ops::function::FnOnce>::call_once::h61c24496ae624ac5 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/liballoc/boxed.rs:1081 [INFO] [stdout] 36: 0x56346ed8cc3a - as core::ops::function::FnOnce>::call_once::h89548957afa14049 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/liballoc/boxed.rs:1081 [INFO] [stdout] 37: 0x56346ed8cc3a - std::sys::unix::thread::Thread::new::thread_start::h73903fbbff5b990e [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 38: 0x7f1ca9e57609 - start_thread [INFO] [stdout] 39: 0x7f1ca9d63103 - __clone [INFO] [stdout] 40: 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" "d02c770f04adb1da1919bf9a29a9627d671b893a8b28b54416b0c5e69a9fb633", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d02c770f04adb1da1919bf9a29a9627d671b893a8b28b54416b0c5e69a9fb633", kill_on_drop: false }` [INFO] [stdout] d02c770f04adb1da1919bf9a29a9627d671b893a8b28b54416b0c5e69a9fb633