Dec 04 13:33:56.457 INFO checking mwalczyk/machina-rs against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 13:33:56.457 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 13:33:57.197 INFO [stdout] 6eb44b5a99027126ac702a32284a41ddd901b77127b85d7a665255d577cfa2e6
Dec 04 13:33:57.199 INFO running `"docker" "start" "-a" "6eb44b5a99027126ac702a32284a41ddd901b77127b85d7a665255d577cfa2e6"`
Dec 04 13:33:58.736 INFO [stderr] usermod: no changes
Dec 04 13:33:58.869 INFO [stderr]    Compiling matrixmultiply v0.1.13
Dec 04 13:33:58.879 INFO [stderr]     Checking csv v0.14.7
Dec 04 13:34:00.687 INFO [stderr]     Checking rulinalg v0.4.2
Dec 04 13:34:04.553 INFO [stderr]     Checking machina-rs v0.1.0 (/source)
Dec 04 13:34:05.436 INFO [stderr] warning: unused import: `std::error::Error`
Dec 04 13:34:05.436 INFO [stderr]  --> src/main.rs:9:5
Dec 04 13:34:05.436 INFO [stderr]   |
Dec 04 13:34:05.436 INFO [stderr] 9 | use std::error::Error;
Dec 04 13:34:05.436 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 04 13:34:05.436 INFO [stderr]   |
Dec 04 13:34:05.436 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 13:34:05.436 INFO [stderr] 
Dec 04 13:34:05.437 INFO [stderr] warning: unused import: `std::fs::File`
Dec 04 13:34:05.437 INFO [stderr]   --> src/main.rs:10:5
Dec 04 13:34:05.437 INFO [stderr]    |
Dec 04 13:34:05.437 INFO [stderr] 10 | use std::fs::File;
Dec 04 13:34:05.437 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 04 13:34:05.437 INFO [stderr] 
Dec 04 13:34:05.437 INFO [stderr] warning: unused import: `std::io`
Dec 04 13:34:05.437 INFO [stderr]   --> src/main.rs:11:5
Dec 04 13:34:05.437 INFO [stderr]    |
Dec 04 13:34:05.437 INFO [stderr] 11 | use std::io;
Dec 04 13:34:05.437 INFO [stderr]    |     ^^^^^^^
Dec 04 13:34:05.437 INFO [stderr] 
Dec 04 13:34:05.437 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 04 13:34:05.437 INFO [stderr]   --> src/main.rs:12:5
Dec 04 13:34:05.437 INFO [stderr]    |
Dec 04 13:34:05.437 INFO [stderr] 12 | use std::io::prelude::*;
Dec 04 13:34:05.437 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 04 13:34:05.437 INFO [stderr] 
Dec 04 13:34:05.437 INFO [stderr] warning: unused import: `std::path::Path`
Dec 04 13:34:05.437 INFO [stderr]   --> src/main.rs:13:5
Dec 04 13:34:05.437 INFO [stderr]    |
Dec 04 13:34:05.437 INFO [stderr] 13 | use std::path::Path;
Dec 04 13:34:05.437 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 04 13:34:05.437 INFO [stderr] 
Dec 04 13:34:05.437 INFO [stderr] warning: unused import: `rulinalg::vector::Vector`
Dec 04 13:34:05.437 INFO [stderr]  --> src/neural_network.rs:2:5
Dec 04 13:34:05.437 INFO [stderr]   |
Dec 04 13:34:05.437 INFO [stderr] 2 | use rulinalg::vector::Vector;
Dec 04 13:34:05.437 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 13:34:05.437 INFO [stderr] 
Dec 04 13:34:05.437 INFO [stderr] warning: unused import: `rand::Rng`
Dec 04 13:34:05.437 INFO [stderr]  --> src/neural_network.rs:5:5
Dec 04 13:34:05.437 INFO [stderr]   |
Dec 04 13:34:05.437 INFO [stderr] 5 | use rand::Rng;
Dec 04 13:34:05.437 INFO [stderr]   |     ^^^^^^^^^
Dec 04 13:34:05.437 INFO [stderr] 
Dec 04 13:34:05.437 INFO [stderr] warning: unused import: `nearest_neighbor::NearestNeighbor`
Dec 04 13:34:05.437 INFO [stderr]   --> src/main.rs:20:5
Dec 04 13:34:05.437 INFO [stderr]    |
Dec 04 13:34:05.437 INFO [stderr] 20 | use nearest_neighbor::NearestNeighbor;
Dec 04 13:34:05.437 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 13:34:05.437 INFO [stderr] 
Dec 04 13:34:05.539 INFO [stderr] warning: unused import: `std::error::Error`
Dec 04 13:34:05.539 INFO [stderr]  --> src/main.rs:9:5
Dec 04 13:34:05.539 INFO [stderr]   |
Dec 04 13:34:05.539 INFO [stderr] 9 | use std::error::Error;
Dec 04 13:34:05.539 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 04 13:34:05.539 INFO [stderr]   |
Dec 04 13:34:05.539 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 13:34:05.539 INFO [stderr] 
Dec 04 13:34:05.539 INFO [stderr] warning: unused import: `std::fs::File`
Dec 04 13:34:05.539 INFO [stderr]   --> src/main.rs:10:5
Dec 04 13:34:05.539 INFO [stderr]    |
Dec 04 13:34:05.539 INFO [stderr] 10 | use std::fs::File;
Dec 04 13:34:05.539 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 04 13:34:05.539 INFO [stderr] 
Dec 04 13:34:05.539 INFO [stderr] warning: unused import: `std::io`
Dec 04 13:34:05.539 INFO [stderr]   --> src/main.rs:11:5
Dec 04 13:34:05.539 INFO [stderr]    |
Dec 04 13:34:05.539 INFO [stderr] 11 | use std::io;
Dec 04 13:34:05.539 INFO [stderr]    |     ^^^^^^^
Dec 04 13:34:05.539 INFO [stderr] 
Dec 04 13:34:05.539 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 04 13:34:05.539 INFO [stderr]   --> src/main.rs:12:5
Dec 04 13:34:05.539 INFO [stderr]    |
Dec 04 13:34:05.539 INFO [stderr] 12 | use std::io::prelude::*;
Dec 04 13:34:05.539 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 04 13:34:05.539 INFO [stderr] 
Dec 04 13:34:05.539 INFO [stderr] warning: unused import: `std::path::Path`
Dec 04 13:34:05.539 INFO [stderr]   --> src/main.rs:13:5
Dec 04 13:34:05.539 INFO [stderr]    |
Dec 04 13:34:05.539 INFO [stderr] 13 | use std::path::Path;
Dec 04 13:34:05.539 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 04 13:34:05.539 INFO [stderr] 
Dec 04 13:34:05.539 INFO [stderr] warning: unused import: `rulinalg::vector::Vector`
Dec 04 13:34:05.539 INFO [stderr]  --> src/neural_network.rs:2:5
Dec 04 13:34:05.539 INFO [stderr]   |
Dec 04 13:34:05.539 INFO [stderr] 2 | use rulinalg::vector::Vector;
Dec 04 13:34:05.539 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 13:34:05.539 INFO [stderr] 
Dec 04 13:34:05.539 INFO [stderr] warning: unused import: `rand::Rng`
Dec 04 13:34:05.539 INFO [stderr]  --> src/neural_network.rs:5:5
Dec 04 13:34:05.539 INFO [stderr]   |
Dec 04 13:34:05.539 INFO [stderr] 5 | use rand::Rng;
Dec 04 13:34:05.539 INFO [stderr]   |     ^^^^^^^^^
Dec 04 13:34:05.539 INFO [stderr] 
Dec 04 13:34:05.539 INFO [stderr] warning: unused import: `nearest_neighbor::NearestNeighbor`
Dec 04 13:34:05.539 INFO [stderr]   --> src/main.rs:20:5
Dec 04 13:34:05.539 INFO [stderr]    |
Dec 04 13:34:05.539 INFO [stderr] 20 | use nearest_neighbor::NearestNeighbor;
Dec 04 13:34:05.539 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 13:34:05.539 INFO [stderr] 
Dec 04 13:34:05.819 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.05s
Dec 04 13:34:05.827 INFO [stderr] su: No module specific data is present
Dec 04 13:34:07.123 INFO running `"docker" "inspect" "6eb44b5a99027126ac702a32284a41ddd901b77127b85d7a665255d577cfa2e6"`
Dec 04 13:34:07.533 INFO running `"docker" "rm" "-f" "6eb44b5a99027126ac702a32284a41ddd901b77127b85d7a665255d577cfa2e6"`
Dec 04 13:34:07.875 INFO [stdout] 6eb44b5a99027126ac702a32284a41ddd901b77127b85d7a665255d577cfa2e6