[INFO] fetching crate pos_pso 0.1.6...
[INFO] checking pos_pso-0.1.6 against beta for pr-78714
[INFO] extracting crate pos_pso 0.1.6 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate pos_pso 0.1.6 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pos_pso 0.1.6
[INFO] finished tweaking crates.io crate pos_pso 0.1.6
[INFO] tweaked toml for crates.io crate pos_pso 0.1.6 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac1d2bc7e8c3dfe83eb46e1f7702208a892723166d1e990e2a5fafef4117abdb
[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" "ac1d2bc7e8c3dfe83eb46e1f7702208a892723166d1e990e2a5fafef4117abdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac1d2bc7e8c3dfe83eb46e1f7702208a892723166d1e990e2a5fafef4117abdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac1d2bc7e8c3dfe83eb46e1f7702208a892723166d1e990e2a5fafef4117abdb", kill_on_drop: false }`
[INFO] [stdout] ac1d2bc7e8c3dfe83eb46e1f7702208a892723166d1e990e2a5fafef4117abdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 219448a3d1f75cdcaa138e0e0f20eb88dd68ad1f60c1da258bc328abf257f48a
[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" "219448a3d1f75cdcaa138e0e0f20eb88dd68ad1f60c1da258bc328abf257f48a", kill_on_drop: false }`
[INFO] [stderr]     Checking pos_pso v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::f64::consts::PI`
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::f64::consts::PI;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `min`
[INFO] [stdout]   --> src/lib.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let min = opt.minimize(job_config, swarm_config, move |pt: &[f64]| -> f64 {
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_min`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `igf`
[INFO] [stdout]   --> src/optimizer/swarm.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     igf: f64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `igf`
[INFO] [stdout]    --> src/optimizer/swarm.rs:221:5
[INFO] [stdout]     |
[INFO] [stdout] 221 |     igf: f64,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `igf`
[INFO] [stdout]   --> src/optimizer/swarm.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     igf: f64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `igf`
[INFO] [stdout]    --> src/optimizer/swarm.rs:221:5
[INFO] [stdout]     |
[INFO] [stdout] 221 |     igf: f64,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `expSinFunction` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn expSinFunction() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `exp_sin_function`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "219448a3d1f75cdcaa138e0e0f20eb88dd68ad1f60c1da258bc328abf257f48a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "219448a3d1f75cdcaa138e0e0f20eb88dd68ad1f60c1da258bc328abf257f48a", kill_on_drop: false }`
[INFO] [stdout] 219448a3d1f75cdcaa138e0e0f20eb88dd68ad1f60c1da258bc328abf257f48a