[INFO] cloning repository https://github.com/andrewgazelka/umn5451-rust-parallel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andrewgazelka/umn5451-rust-parallel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewgazelka%2Fumn5451-rust-parallel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewgazelka%2Fumn5451-rust-parallel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 847283189f670b302ca00114fb630e24f63c70a5
[INFO] checking andrewgazelka/umn5451-rust-parallel against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewgazelka%2Fumn5451-rust-parallel" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andrewgazelka/umn5451-rust-parallel on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andrewgazelka/umn5451-rust-parallel
[INFO] finished tweaking git repo https://github.com/andrewgazelka/umn5451-rust-parallel
[INFO] tweaked toml for git repo https://github.com/andrewgazelka/umn5451-rust-parallel written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/andrewgazelka/umn5451-rust-parallel already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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] 93b63427b69aeda0d99d6e3625eb9151741b44b73ec343616c25ebdd033cff90
[INFO] running `Command { std: "docker" "start" "-a" "93b63427b69aeda0d99d6e3625eb9151741b44b73ec343616c25ebdd033cff90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93b63427b69aeda0d99d6e3625eb9151741b44b73ec343616c25ebdd033cff90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93b63427b69aeda0d99d6e3625eb9151741b44b73ec343616c25ebdd033cff90", kill_on_drop: false }`
[INFO] [stdout] 93b63427b69aeda0d99d6e3625eb9151741b44b73ec343616c25ebdd033cff90
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9d4746a573e3947f5de34f5a8d1a54b4482df8a306bd5224e2e9a85520783b2
[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" "e9d4746a573e3947f5de34f5a8d1a54b4482df8a306bd5224e2e9a85520783b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rust-parallel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::pref_sum_mod::pref_sum`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::pref_sum_mod::pref_sum;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude::ThreadRng`
[INFO] [stdout]  --> src/points.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::prelude::ThreadRng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::pref_sum_mod::pref_sum`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::pref_sum_mod::pref_sum;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude::ThreadRng`
[INFO] [stdout]  --> src/points.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::prelude::ThreadRng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/k_means.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn new(rdm: ThreadRng, iterations: usize) -> NaiveKMeans {
[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: `circle_rand`
[INFO] [stdout]   --> src/points.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn circle_rand(center_x: f64, center_y: f64, max_rad: f64) -> Point {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `point`
[INFO] [stdout]   --> src/points.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn point(x: f64, y: f64) -> Point { Point { x, y } }
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pref_sum_seq`
[INFO] [stdout]  --> src/pref_sum_mod.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn pref_sum_seq(vec: &mut [i32], init_on: i32) {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pref_sum`
[INFO] [stdout]   --> src/pref_sum_mod.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn pref_sum(vec: &mut [i32], threads: usize) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `point`
[INFO] [stdout]   --> src/points.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn point(x: f64, y: f64) -> Point { Point { x, y } }
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pref_sum_seq`
[INFO] [stdout]  --> src/pref_sum_mod.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn pref_sum_seq(vec: &mut [i32], init_on: i32) {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pref_sum`
[INFO] [stdout]   --> src/pref_sum_mod.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn pref_sum(vec: &mut [i32], threads: usize) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `rayon::iter::Map` that must be used
[INFO] [stdout]   --> src/par_poly.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | /     coefficients.par_iter_mut().enumerate().map(|(idx, val)| {
[INFO] [stdout] 9  | |         let set = *val * input.powi(idx as i32);
[INFO] [stdout] 10 | |         println!("set {}", set);
[INFO] [stdout] 11 | |         *val = set;
[INFO] [stdout] 12 | |     });
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: iterator adaptors are lazy and do nothing unless consumed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `rayon::iter::Map` that must be used
[INFO] [stdout]   --> src/par_poly.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | /     coefficients.par_iter_mut().enumerate().map(|(idx, val)| {
[INFO] [stdout] 9  | |         let set = *val * input.powi(idx as i32);
[INFO] [stdout] 10 | |         println!("set {}", set);
[INFO] [stdout] 11 | |         *val = set;
[INFO] [stdout] 12 | |     });
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: iterator adaptors are lazy and do nothing unless consumed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.41s
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e9d4746a573e3947f5de34f5a8d1a54b4482df8a306bd5224e2e9a85520783b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9d4746a573e3947f5de34f5a8d1a54b4482df8a306bd5224e2e9a85520783b2", kill_on_drop: false }`
[INFO] [stdout] e9d4746a573e3947f5de34f5a8d1a54b4482df8a306bd5224e2e9a85520783b2