[INFO] updating cached repository https://github.com/sthomer/predict
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/sthomer/predict
[INFO] [stderr]    346800e..88c99df  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 88c99df42701bf353f52b344dfcc0df4fde71c7a
[INFO] checking sthomer/predict against master#446e5e57b667c841ba3ebb4b41b44fb98bd3af4b for pr-65294
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsthomer%2Fpredict" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sthomer/predict on toolchain 446e5e57b667c841ba3ebb4b41b44fb98bd3af4b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/sthomer/predict
[INFO] finished tweaking git repo https://github.com/sthomer/predict
[INFO] tweaked toml for git repo https://github.com/sthomer/predict written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/sthomer/predict already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "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] 7738e52fc3d6bd03d6de24c72a15bb338245d3d316decdc582b647d54820389b
[INFO] running `"docker" "start" "-a" "7738e52fc3d6bd03d6de24c72a15bb338245d3d316decdc582b647d54820389b"`
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking num-rational v0.2.2
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking predict v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> src/config.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/config.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]  --> src/saver.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 |     use super::*;
[INFO] [stderr]   |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/abstraction.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]  --> src/segmentation.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 |     use super::*;
[INFO] [stderr]   |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]  --> src/categorization.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 |     use super::*;
[INFO] [stderr]   |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]  --> src/interpolation.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 |     use super::*;
[INFO] [stderr]   |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/lib.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]   --> src/lib.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn run(config: Config) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]    |            ^^^^^^ help: consider prefixing with an underscore: `_config`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/config.rs:16:16
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn new(args: &[String]) -> Result<Config, &'static str> {
[INFO] [stderr]    |                ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `slides_3`
[INFO] [stderr]   --> src/loader.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let slides_3 = slides_3.collect::<Vec<_>>();
[INFO] [stderr]    |             ^^^^^^^^ help: consider prefixing with an underscore: `_slides_3`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `load_from`
[INFO] [stderr]  --> src/config.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     load_from: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `save_at`
[INFO] [stderr]  --> src/config.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     save_at: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `init_with`
[INFO] [stderr]  --> src/config.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     init_with: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `radius_scale`
[INFO] [stderr]   --> src/config.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     radius_scale: u16,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `resolution`
[INFO] [stderr]   --> src/config.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     resolution: u16,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `max_depth`
[INFO] [stderr]   --> src/config.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     max_depth: u16,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `C64`
[INFO] [stderr]  --> src/abstraction.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | type C64 = Complex<f64>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SPEED`
[INFO] [stderr]  --> src/abstraction.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | const SPEED: C64 = C64 { re: 0f64, im: -2.0 * PI };
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `to_c64`
[INFO] [stderr]  --> src/abstraction.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn to_c64(vs: &Vec<i16>) -> Vec<C64> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fft`
[INFO] [stderr]   --> src/abstraction.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn fft(vs: &Vec<C64>) -> Vec<C64> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dft`
[INFO] [stderr]   --> src/abstraction.rs:53:1
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn dft(vs: &Vec<C64>) -> Vec<C64> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mddft`
[INFO] [stderr]   --> src/abstraction.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | fn mddft<D: Dimension>(vs: &Array<C64, D>) -> Array<C64, D> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> src/config.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hound`
[INFO] [stderr]  --> src/loader.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use hound;
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]   --> src/lib.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn run(config: Config) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]    |            ^^^^^^ help: consider prefixing with an underscore: `_config`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/config.rs:16:16
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn new(args: &[String]) -> Result<Config, &'static str> {
[INFO] [stderr]    |                ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `load_from`
[INFO] [stderr]  --> src/config.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     load_from: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `save_at`
[INFO] [stderr]  --> src/config.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     save_at: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `init_with`
[INFO] [stderr]  --> src/config.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     init_with: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `radius_scale`
[INFO] [stderr]   --> src/config.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     radius_scale: u16,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `resolution`
[INFO] [stderr]   --> src/config.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     resolution: u16,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `max_depth`
[INFO] [stderr]   --> src/config.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     max_depth: u16,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `slides`
[INFO] [stderr]   --> src/loader.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn slides<T>(slice: &Vec<T>, chunk_size: usize, step_size: usize) -> Slides<T> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `C64`
[INFO] [stderr]  --> src/abstraction.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | type C64 = Complex<f64>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SPEED`
[INFO] [stderr]  --> src/abstraction.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | const SPEED: C64 = C64 { re: 0f64, im: -2.0 * PI };
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `to_c64`
[INFO] [stderr]  --> src/abstraction.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn to_c64(vs: &Vec<i16>) -> Vec<C64> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fft`
[INFO] [stderr]   --> src/abstraction.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn fft(vs: &Vec<C64>) -> Vec<C64> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dft`
[INFO] [stderr]   --> src/abstraction.rs:53:1
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn dft(vs: &Vec<C64>) -> Vec<C64> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mddft`
[INFO] [stderr]   --> src/abstraction.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | fn mddft<D: Dimension>(vs: &Array<C64, D>) -> Array<C64, D> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.08s
[INFO] running `"docker" "inspect" "7738e52fc3d6bd03d6de24c72a15bb338245d3d316decdc582b647d54820389b"`
[INFO] running `"docker" "rm" "-f" "7738e52fc3d6bd03d6de24c72a15bb338245d3d316decdc582b647d54820389b"`
[INFO] [stdout] 7738e52fc3d6bd03d6de24c72a15bb338245d3d316decdc582b647d54820389b