[INFO] cloning repository https://github.com/LebranceBW/KvStore [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LebranceBW/KvStore" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLebranceBW%2FKvStore", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLebranceBW%2FKvStore'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ef2729f70bea8a962e1da6f6c6bf0359ae0999bb [INFO] checking LebranceBW/KvStore against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLebranceBW%2FKvStore" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/LebranceBW/KvStore on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LebranceBW/KvStore [INFO] finished tweaking git repo https://github.com/LebranceBW/KvStore [INFO] tweaked toml for git repo https://github.com/LebranceBW/KvStore written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/LebranceBW/KvStore already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2d50875a6e53dc3a61672c30da461966a143d34b23f70c1b87d5b9bf0b377900 [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" "2d50875a6e53dc3a61672c30da461966a143d34b23f70c1b87d5b9bf0b377900", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2d50875a6e53dc3a61672c30da461966a143d34b23f70c1b87d5b9bf0b377900", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d50875a6e53dc3a61672c30da461966a143d34b23f70c1b87d5b9bf0b377900", kill_on_drop: false }` [INFO] [stdout] 2d50875a6e53dc3a61672c30da461966a143d34b23f70c1b87d5b9bf0b377900 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--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] f99741c92d4f5d98b343bdd5590ea91ef3ea201d46789ba46391eab74a038a7d [INFO] running `Command { std: "docker" "start" "-a" "f99741c92d4f5d98b343bdd5590ea91ef3ea201d46789ba46391eab74a038a7d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling semver v1.0.3 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Compiling anyhow v1.0.41 [INFO] [stderr] Checking downcast v0.10.0 [INFO] [stderr] Checking owned-alloc v0.2.0 [INFO] [stderr] Checking fragile v1.0.0 [INFO] [stderr] Checking plotters-backend v0.3.2 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking half v1.7.1 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking panic-control v0.1.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking lock_api v0.4.4 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking itertools v0.10.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking predicates-tree v1.0.2 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking log v0.4.14 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking lockfree v0.5.1 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking plotters-svg v0.3.1 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking crossbeam-queue v0.3.2 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking fs2 v0.4.3 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking colored v1.9.3 [INFO] [stderr] Checking crossbeam v0.8.1 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking float-cmp v0.8.0 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking sled v0.34.6 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking simple_logger v1.11.0 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Checking predicates v1.0.8 [INFO] [stderr] Compiling mockall_derive v0.9.1 [INFO] [stderr] Compiling structopt-derive v0.4.15 [INFO] [stderr] Checking structopt v0.3.22 [INFO] [stderr] Checking mockall v0.9.1 [INFO] [stderr] Checking bstr v0.2.16 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking kvs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stdout] warning: unused import: `Mutex` [INFO] [stdout] --> src/kvstore.rs:8:22 [INFO] [stdout] | [INFO] [stdout] 8 | use std::sync::{Arc, Mutex, RwLock}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking criterion v0.3.4 [INFO] [stdout] warning: unused variable: `pos` [INFO] [stdout] --> src/engine/kvstore/file_operators.rs:14:33 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn query_command(&self, pos: FileOffset) -> Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_pos` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `command` [INFO] [stdout] --> src/engine/kvstore/file_operators.rs:24:34 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn insert_command(&self, command: Command) -> Result { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dir` [INFO] [stdout] --> src/engine/kvstore/kvstore.rs:30:17 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn open(dir: impl Into) -> Self { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_dir` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pos` [INFO] [stdout] --> src/engine/kvstore/kvstore.rs:85:55 [INFO] [stdout] | [INFO] [stdout] 85 | self.writer.insert_command(command).and_then(|pos| { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_pos` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking assert_cmd v0.11.1 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/kvstore.rs:261:13 [INFO] [stdout] | [INFO] [stdout] 261 | let mut yolk = self.yolk.write().unwrap(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `open` [INFO] [stdout] --> src/engine/kvstore/kvstore.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn open(dir: impl Into) -> 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: `compaction` [INFO] [stdout] --> src/engine/kvstore/kvstore.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 34 | fn compaction(&mut self) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `MockKvsEngine` [INFO] [stdout] --> src/engine/mod.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct MockKvsEngine; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `NaiveThreadPool`, `SharedQueueThreadPool` [INFO] [stdout] --> src/bin/kvs-server.rs:12:24 [INFO] [stdout] | [INFO] [stdout] 12 | use kvs::thread_pool::{NaiveThreadPool, RayonThreadPool, SharedQueueThreadPool, ThreadPool}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `NaiveThreadPool`, `SharedQueueThreadPool` [INFO] [stdout] --> src/bin/kvs-server.rs:12:24 [INFO] [stdout] | [INFO] [stdout] 12 | use kvs::thread_pool::{NaiveThreadPool, RayonThreadPool, SharedQueueThreadPool, ThreadPool}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Bencher`, `Criterion`, `black_box` [INFO] [stdout] --> benches/benches.rs:1:17 [INFO] [stdout] | [INFO] [stdout] 1 | use criterion::{black_box, criterion_group, criterion_main, Bencher, Criterion}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `test_val` [INFO] [stdout] --> benches/benches.rs:79:13 [INFO] [stdout] | [INFO] [stdout] 79 | let test_val = &TEST_SET; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_val` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `group` [INFO] [stdout] --> benches/benches.rs:95:13 [INFO] [stdout] | [INFO] [stdout] 95 | let group = ct.benchmark_group("Write_test"); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_group` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `server` [INFO] [stdout] --> benches/benches.rs:99:13 [INFO] [stdout] | [INFO] [stdout] 99 | let server = KvServer::new( [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_server` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Mutex` [INFO] [stdout] --> src/kvstore.rs:8:22 [INFO] [stdout] | [INFO] [stdout] 8 | use std::sync::{Arc, Mutex, RwLock}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `write_queued_kvstore` [INFO] [stdout] --> benches/benches.rs:98:8 [INFO] [stdout] | [INFO] [stdout] 98 | fn write_queued_kvstore(pool: T) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pos` [INFO] [stdout] --> src/engine/kvstore/file_operators.rs:14:33 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn query_command(&self, pos: FileOffset) -> Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_pos` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `command` [INFO] [stdout] --> src/engine/kvstore/file_operators.rs:24:34 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn insert_command(&self, command: Command) -> Result { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dir` [INFO] [stdout] --> src/engine/kvstore/kvstore.rs:30:17 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn open(dir: impl Into) -> Self { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_dir` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pos` [INFO] [stdout] --> src/engine/kvstore/kvstore.rs:85:55 [INFO] [stdout] | [INFO] [stdout] 85 | self.writer.insert_command(command).and_then(|pos| { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_pos` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/thread_pool/shared_pool.rs:111:13 [INFO] [stdout] | [INFO] [stdout] 111 | for i in 0..4 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rx` [INFO] [stdout] --> src/thread_pool/shared_pool.rs:112:17 [INFO] [stdout] | [INFO] [stdout] 112 | let rx = rx.clone(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_rx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/kvstore.rs:261:13 [INFO] [stdout] | [INFO] [stdout] 261 | let mut yolk = self.yolk.write().unwrap(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `open` [INFO] [stdout] --> src/engine/kvstore/kvstore.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn open(dir: impl Into) -> 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: `compaction` [INFO] [stdout] --> src/engine/kvstore/kvstore.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 34 | fn compaction(&mut self) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `MockKvsEngine` [INFO] [stdout] --> src/engine/mod.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct MockKvsEngine; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 42s [INFO] running `Command { std: "docker" "inspect" "f99741c92d4f5d98b343bdd5590ea91ef3ea201d46789ba46391eab74a038a7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f99741c92d4f5d98b343bdd5590ea91ef3ea201d46789ba46391eab74a038a7d", kill_on_drop: false }` [INFO] [stdout] f99741c92d4f5d98b343bdd5590ea91ef3ea201d46789ba46391eab74a038a7d