[INFO] cloning repository https://github.com/avl/scoped_pool_perf_problem [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/avl/scoped_pool_perf_problem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favl%2Fscoped_pool_perf_problem", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favl%2Fscoped_pool_perf_problem'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9496ecf607d63f4a6d43f09d90b078f5073281e5 [INFO] checking avl/scoped_pool_perf_problem against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favl%2Fscoped_pool_perf_problem" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/avl/scoped_pool_perf_problem on toolchain 4a04890980766cc79878135f5ade8c0c4321e943 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/avl/scoped_pool_perf_problem [INFO] finished tweaking git repo https://github.com/avl/scoped_pool_perf_problem [INFO] tweaked toml for git repo https://github.com/avl/scoped_pool_perf_problem written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/avl/scoped_pool_perf_problem already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "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] b79a08dc0c5142691e4a4859d1a0952ea3bcee523e754afc07f9c5fb292bdf1d [INFO] running `Command { std: "docker" "start" "-a" "b79a08dc0c5142691e4a4859d1a0952ea3bcee523e754afc07f9c5fb292bdf1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b79a08dc0c5142691e4a4859d1a0952ea3bcee523e754afc07f9c5fb292bdf1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b79a08dc0c5142691e4a4859d1a0952ea3bcee523e754afc07f9c5fb292bdf1d", kill_on_drop: false }` [INFO] [stdout] b79a08dc0c5142691e4a4859d1a0952ea3bcee523e754afc07f9c5fb292bdf1d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 75a39ac5603007a8b04e6aa467eb0bbc70920f4d4acc13063c8499e734c5dda7 [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" "75a39ac5603007a8b04e6aa467eb0bbc70920f4d4acc13063c8499e734c5dda7", kill_on_drop: false }` [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking variance v0.1.3 [INFO] [stderr] Checking scopeguard v0.1.2 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking scoped-pool v1.0.0 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling rayon v1.0.2 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking scoped_pool_performance_problem v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `scoped_pool::Pool` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use scoped_pool::Pool; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Bencher` [INFO] [stdout] --> src/main.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | use test::{Bencher}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `scoped_pool::Pool` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use scoped_pool::Pool; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | let mut output_data_ref=&mut output_data; [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/main.rs:52:8 [INFO] [stdout] | [INFO] [stdout] 52 | let mut output_data_ref=&mut output_data; [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/main.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | let mut t = Vec::::with_capacity(data_size/parallellism); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.18s [INFO] running `Command { std: "docker" "inspect" "75a39ac5603007a8b04e6aa467eb0bbc70920f4d4acc13063c8499e734c5dda7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "75a39ac5603007a8b04e6aa467eb0bbc70920f4d4acc13063c8499e734c5dda7", kill_on_drop: false }` [INFO] [stdout] 75a39ac5603007a8b04e6aa467eb0bbc70920f4d4acc13063c8499e734c5dda7