[INFO] cloning repository https://github.com/WindSoilder/kvs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WindSoilder/kvs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWindSoilder%2Fkvs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWindSoilder%2Fkvs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4f88e74bbe8e22eb5d0f3a3891cf77c380d39ec2 [INFO] checking WindSoilder/kvs against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWindSoilder%2Fkvs" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/WindSoilder/kvs on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/WindSoilder/kvs [INFO] finished tweaking git repo https://github.com/WindSoilder/kvs [INFO] tweaked toml for git repo https://github.com/WindSoilder/kvs written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/WindSoilder/kvs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tinytemplate v1.0.2 [INFO] [stderr] Downloaded criterion v0.2.11 [INFO] [stderr] Downloaded panic-control v0.1.4 [INFO] [stderr] Downloaded criterion-plot v0.3.1 [INFO] [stderr] Downloaded rand_xoshiro v0.1.0 [INFO] [stderr] Downloaded bincode v1.1.4 [INFO] [stderr] Downloaded serde_bytes v0.11.2 [INFO] [stderr] Downloaded sled v0.29.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", 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] ee2d86ac26dd9c743fc3256a8f94052694e04e5ac074b0fff6107367838831fd [INFO] running `Command { std: "docker" "start" "-a" "ee2d86ac26dd9c743fc3256a8f94052694e04e5ac074b0fff6107367838831fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ee2d86ac26dd9c743fc3256a8f94052694e04e5ac074b0fff6107367838831fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee2d86ac26dd9c743fc3256a8f94052694e04e5ac074b0fff6107367838831fd", kill_on_drop: false }` [INFO] [stdout] ee2d86ac26dd9c743fc3256a8f94052694e04e5ac074b0fff6107367838831fd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 40066492d0483fb64af0f1d11f2583134d0206bfd1e85f348c7db84467ff4ae2 [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" "40066492d0483fb64af0f1d11f2583134d0206bfd1e85f348c7db84467ff4ae2", kill_on_drop: false }` [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling proc-macro2 v1.0.2 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling serde v1.0.100 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling getrandom v0.1.12 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Checking normalize-line-endings v0.2.2 [INFO] [stderr] Checking cast v0.2.2 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking panic-control v0.1.4 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling bincode v1.1.4 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking lock_api v0.3.1 [INFO] [stderr] Checking itertools v0.8.1 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking crc32fast v1.2.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking num_cpus v1.11.0 [INFO] [stderr] Checking fs2 v0.4.3 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking regex-automata v0.1.8 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking rand_pcg v0.1.2 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_chacha v0.1.1 [INFO] [stderr] Checking rand_xoshiro v0.1.0 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking criterion-plot v0.3.1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking csv-core v0.1.6 [INFO] [stderr] Checking rand v0.7.1 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking rayon-core v1.6.0 [INFO] [stderr] Checking float-cmp v0.4.0 [INFO] [stderr] Checking rayon v1.2.0 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking predicates v1.0.1 [INFO] [stderr] Compiling serde_derive v1.0.99 [INFO] [stderr] Checking serde_json v1.0.40 [INFO] [stderr] Checking serde_bytes v0.11.2 [INFO] [stderr] Checking bstr v0.2.8 [INFO] [stderr] Checking sled v0.29.1 [INFO] [stderr] Checking csv v1.1.1 [INFO] [stderr] Checking tinytemplate v1.0.2 [INFO] [stderr] Checking criterion v0.2.11 [INFO] [stderr] Checking assert_cmd v0.11.1 [INFO] [stderr] Checking kvs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `black_box` [INFO] [stdout] --> src/benches/my_benchmark.rs:1:17 [INFO] [stdout] | [INFO] [stdout] 1 | use criterion::{black_box, criterion_group, criterion_main, Criterion}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::iter::Zip` [INFO] [stdout] --> src/benches/my_benchmark.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::iter::Zip; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/benches/my_benchmark.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | let mut engine: KvStore = KvStore::open(temp_dir.path()).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: variable does not need to be mutable [INFO] [stdout] --> src/benches/my_benchmark.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | let mut engine: KvStore = KvStore::open(temp_dir.path()).unwrap(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/benches/my_benchmark.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | let mut engine: SledKvsEngine = SledKvsEngine::open(temp_dir.path()).unwrap(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/benches/my_benchmark.rs:77:9 [INFO] [stdout] | [INFO] [stdout] 77 | let mut engine: SledKvsEngine = SledKvsEngine::open(temp_dir.path()).unwrap(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 39s [INFO] running `Command { std: "docker" "inspect" "40066492d0483fb64af0f1d11f2583134d0206bfd1e85f348c7db84467ff4ae2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40066492d0483fb64af0f1d11f2583134d0206bfd1e85f348c7db84467ff4ae2", kill_on_drop: false }` [INFO] [stdout] 40066492d0483fb64af0f1d11f2583134d0206bfd1e85f348c7db84467ff4ae2