[INFO] cloning repository https://github.com/Danzibob/DEARS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Danzibob/DEARS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanzibob%2FDEARS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanzibob%2FDEARS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51c2569ec49750153f8da495adedd38618d788b9
[INFO] checking Danzibob/DEARS against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanzibob%2FDEARS" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Danzibob/DEARS
[INFO] finished tweaking git repo https://github.com/Danzibob/DEARS
[INFO] tweaked toml for git repo https://github.com/Danzibob/DEARS written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Danzibob/DEARS on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Danzibob/DEARS already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rayon v1.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1b6d31163dcd2b8800a53b03d88bb94d65b0b4f4d9ffda4d2e8391643a5ee96
[INFO] running `Command { std: "docker" "start" "-a" "f1b6d31163dcd2b8800a53b03d88bb94d65b0b4f4d9ffda4d2e8391643a5ee96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1b6d31163dcd2b8800a53b03d88bb94d65b0b4f4d9ffda4d2e8391643a5ee96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1b6d31163dcd2b8800a53b03d88bb94d65b0b4f4d9ffda4d2e8391643a5ee96", kill_on_drop: false }`
[INFO] [stdout] f1b6d31163dcd2b8800a53b03d88bb94d65b0b4f4d9ffda4d2e8391643a5ee96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e32c03035baea5f06784f4da44ce5b23e0e17178ba3c4b6d66fddf02594c5b72
[INFO] running `Command { std: "docker" "start" "-a" "e32c03035baea5f06784f4da44ce5b23e0e17178ba3c4b6d66fddf02594c5b72", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking dears v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::thread_rng`
[INFO] [stdout]  --> src/population.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::thread_rng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::population::*`
[INFO] [stdout]  --> src/selection.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::population::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/lib.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     use super::*;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::thread_rng`
[INFO] [stdout]  --> src/population.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::thread_rng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::population::*`
[INFO] [stdout]  --> src/selection.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::population::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/population.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/population.rs:38:22
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn select(&self, n: usize) -> Vec<usize>{
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/population.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/population.rs:38:22
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn select(&self, n: usize) -> Vec<usize>{
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `individuals`, `fitnesses`, `mutator`, `crossover`, and `selector` are never read
[INFO] [stdout]   --> src/population.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Population<G, M, C, S, F>
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     individuals: Vec<G>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 17 |     fitnesses: Vec<F>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 18 |     mutator: M,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 19 |     crossover: C,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 20 |     selector: S
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `mutate_with_chance` and `select` are never used
[INFO] [stdout]   --> src/population.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | / impl<G, M, C, S, F> Population<G, M, C, S, F>
[INFO] [stdout] 24 | | where
[INFO] [stdout] 25 | |     M: Mutator<G>,
[INFO] [stdout] 26 | |     C: Crossover<G>,
[INFO] [stdout] 27 | |     S: SelectMany<F>,
[INFO] [stdout] 28 | |     F: Clone
[INFO] [stdout]    | |____________- methods in this implementation
[INFO] [stdout] 29 |   {
[INFO] [stdout] 30 |       fn mutate_with_chance(&mut self, indpb: f64) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |       fn select(&self, n: usize) -> Vec<usize>{
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `individuals`, `fitnesses`, `mutator`, `crossover`, and `selector` are never read
[INFO] [stdout]   --> src/population.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Population<G, M, C, S, F>
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     individuals: Vec<G>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 17 |     fitnesses: Vec<F>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 18 |     mutator: M,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 19 |     crossover: C,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 20 |     selector: S
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `mutate_with_chance` and `select` are never used
[INFO] [stdout]   --> src/population.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | / impl<G, M, C, S, F> Population<G, M, C, S, F>
[INFO] [stdout] 24 | | where
[INFO] [stdout] 25 | |     M: Mutator<G>,
[INFO] [stdout] 26 | |     C: Crossover<G>,
[INFO] [stdout] 27 | |     S: SelectMany<F>,
[INFO] [stdout] 28 | |     F: Clone
[INFO] [stdout]    | |____________- methods in this implementation
[INFO] [stdout] 29 |   {
[INFO] [stdout] 30 |       fn mutate_with_chance(&mut self, indpb: f64) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |       fn select(&self, n: usize) -> Vec<usize>{
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/random.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dears` (bench "random") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "e32c03035baea5f06784f4da44ce5b23e0e17178ba3c4b6d66fddf02594c5b72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e32c03035baea5f06784f4da44ce5b23e0e17178ba3c4b6d66fddf02594c5b72", kill_on_drop: false }`
[INFO] [stdout] e32c03035baea5f06784f4da44ce5b23e0e17178ba3c4b6d66fddf02594c5b72
