[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#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favl%2Fscoped_pool_perf_problem" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/avl/scoped_pool_perf_problem on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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-1/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded scopeguard v0.1.2 [INFO] [stderr] Downloaded scoped-pool v1.0.0 [INFO] [stderr] Downloaded variance v0.1.3 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8fa48bc6d3b45f5943b8085c1264969af019efcd96eb76a60e8f39c21a51d4a7 [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" "8fa48bc6d3b45f5943b8085c1264969af019efcd96eb76a60e8f39c21a51d4a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8fa48bc6d3b45f5943b8085c1264969af019efcd96eb76a60e8f39c21a51d4a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8fa48bc6d3b45f5943b8085c1264969af019efcd96eb76a60e8f39c21a51d4a7", kill_on_drop: false }` [INFO] [stdout] 8fa48bc6d3b45f5943b8085c1264969af019efcd96eb76a60e8f39c21a51d4a7 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6de1bb1f535b6957553c9e9fe57d77ed4e02615245263157b32b44057cd3772b [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" "6de1bb1f535b6957553c9e9fe57d77ed4e02615245263157b32b44057cd3772b", kill_on_drop: false }` [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking libc v0.2.42 [INFO] [stderr] Compiling rayon v1.0.2 [INFO] [stderr] Checking scopeguard v0.1.2 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking crossbeam v0.2.12 [INFO] [stderr] Checking variance v0.1.3 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking scoped-pool v1.0.0 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking num_cpus v1.8.0 [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: 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: 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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.41s [INFO] running `Command { std: "docker" "inspect" "6de1bb1f535b6957553c9e9fe57d77ed4e02615245263157b32b44057cd3772b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6de1bb1f535b6957553c9e9fe57d77ed4e02615245263157b32b44057cd3772b", kill_on_drop: false }` [INFO] [stdout] 6de1bb1f535b6957553c9e9fe57d77ed4e02615245263157b32b44057cd3772b