[INFO] cloning repository https://github.com/Ploppz/diversity-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ploppz/diversity-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPloppz%2Fdiversity-rs"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPloppz%2Fdiversity-rs'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 33196d34e514e335d7a785dddf86cb54ab96ec2c
[INFO] checking Ploppz/diversity-rs against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPloppz%2Fdiversity-rs" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ploppz/diversity-rs on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Ploppz/diversity-rs
[INFO] finished tweaking git repo https://github.com/Ploppz/diversity-rs
[INFO] tweaked toml for git repo https://github.com/Ploppz/diversity-rs written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/Ploppz/diversity-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 18c67bda5b007008834a3b74ef1b3cd63fb7774bdac259183c816123fb1e705d
[INFO] running `"docker" "start" "-a" "18c67bda5b007008834a3b74ef1b3cd63fb7774bdac259183c816123fb1e705d"`
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking ndarray v0.12.1
[INFO] [stderr]     Checking ndarray-rand v0.9.0
[INFO] [stderr]     Checking diversity v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Rng`
[INFO] [stderr]   --> src/lib.rs:66:16
[INFO] [stderr]    |
[INFO] [stderr] 66 |     use rand::{Rng};
[INFO] [stderr]    |                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]   --> src/lib.rs:71:17
[INFO] [stderr]    |
[INFO] [stderr] 71 |         let mut rng = rand::thread_rng();
[INFO] [stderr]    |                 ^^^ help: consider prefixing with an underscore: `_rng`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:71:13
[INFO] [stderr]    |
[INFO] [stderr] 71 |         let mut rng = rand::thread_rng();
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> benches/bench.rs:19:39
[INFO] [stderr]    |
[INFO] [stderr] 19 |             unanchored_l2_discrepancy(&points)
[INFO] [stderr]    |                                       ^^^^^^^ expected struct `ndarray::ViewRepr`, found struct `ndarray::OwnedRepr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&ndarray::ArrayBase<ndarray::ViewRepr<&f64>, ndarray::dimension::dim::Dim<[usize; 2]>>`
[INFO] [stderr]               found type `&ndarray::ArrayBase<ndarray::OwnedRepr<{float}>, ndarray::dimension::dim::Dim<[usize; 2]>>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `diversity`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "18c67bda5b007008834a3b74ef1b3cd63fb7774bdac259183c816123fb1e705d"`
[INFO] running `"docker" "rm" "-f" "18c67bda5b007008834a3b74ef1b3cd63fb7774bdac259183c816123fb1e705d"`
[INFO] [stdout] 18c67bda5b007008834a3b74ef1b3cd63fb7774bdac259183c816123fb1e705d