Dec 11 13:03:45.020 INFO checking mwalczyk/machina-rs against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 13:03:45.020 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 11 13:03:45.746 INFO [stdout] 0a6a96e8a5c9979937c4fdccf4c9e59acfc187927aa4a20c2abe26a9d7f69be1
Dec 11 13:03:45.748 INFO running `"docker" "start" "-a" "0a6a96e8a5c9979937c4fdccf4c9e59acfc187927aa4a20c2abe26a9d7f69be1"`
Dec 11 13:03:47.248 INFO [stderr] usermod: no changes
Dec 11 13:03:47.344 INFO [stderr]     Checking csv v0.14.7
Dec 11 13:03:47.344 INFO [stderr]     Checking rand v0.3.15
Dec 11 13:03:48.644 INFO [stderr]     Checking rulinalg v0.4.2
Dec 11 13:03:52.764 INFO [stderr]     Checking machina-rs v0.1.0 (/source)
Dec 11 13:03:53.592 INFO [stderr] warning: unused import: `std::error::Error`
Dec 11 13:03:53.592 INFO [stderr]  --> src/main.rs:9:5
Dec 11 13:03:53.592 INFO [stderr]   |
Dec 11 13:03:53.592 INFO [stderr] 9 | use std::error::Error;
Dec 11 13:03:53.592 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 11 13:03:53.592 INFO [stderr]   |
Dec 11 13:03:53.592 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 13:03:53.592 INFO [stderr] 
Dec 11 13:03:53.592 INFO [stderr] warning: unused import: `std::fs::File`
Dec 11 13:03:53.592 INFO [stderr]   --> src/main.rs:10:5
Dec 11 13:03:53.592 INFO [stderr]    |
Dec 11 13:03:53.592 INFO [stderr] 10 | use std::fs::File;
Dec 11 13:03:53.592 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 11 13:03:53.592 INFO [stderr] 
Dec 11 13:03:53.592 INFO [stderr] warning: unused import: `std::io`
Dec 11 13:03:53.592 INFO [stderr]   --> src/main.rs:11:5
Dec 11 13:03:53.592 INFO [stderr]    |
Dec 11 13:03:53.592 INFO [stderr] 11 | use std::io;
Dec 11 13:03:53.592 INFO [stderr]    |     ^^^^^^^
Dec 11 13:03:53.592 INFO [stderr] 
Dec 11 13:03:53.592 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 11 13:03:53.592 INFO [stderr]   --> src/main.rs:12:5
Dec 11 13:03:53.592 INFO [stderr]    |
Dec 11 13:03:53.592 INFO [stderr] 12 | use std::io::prelude::*;
Dec 11 13:03:53.592 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 11 13:03:53.592 INFO [stderr] 
Dec 11 13:03:53.592 INFO [stderr] warning: unused import: `std::path::Path`
Dec 11 13:03:53.592 INFO [stderr]   --> src/main.rs:13:5
Dec 11 13:03:53.592 INFO [stderr]    |
Dec 11 13:03:53.593 INFO [stderr] 13 | use std::path::Path;
Dec 11 13:03:53.593 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 11 13:03:53.593 INFO [stderr] 
Dec 11 13:03:53.593 INFO [stderr] warning: unused import: `rulinalg::vector::Vector`
Dec 11 13:03:53.593 INFO [stderr]  --> src/neural_network.rs:2:5
Dec 11 13:03:53.593 INFO [stderr]   |
Dec 11 13:03:53.593 INFO [stderr] 2 | use rulinalg::vector::Vector;
Dec 11 13:03:53.593 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 13:03:53.593 INFO [stderr] 
Dec 11 13:03:53.593 INFO [stderr] warning: unused import: `rand::Rng`
Dec 11 13:03:53.593 INFO [stderr]  --> src/neural_network.rs:5:5
Dec 11 13:03:53.593 INFO [stderr]   |
Dec 11 13:03:53.593 INFO [stderr] 5 | use rand::Rng;
Dec 11 13:03:53.593 INFO [stderr]   |     ^^^^^^^^^
Dec 11 13:03:53.593 INFO [stderr] 
Dec 11 13:03:53.593 INFO [stderr] warning: unused import: `nearest_neighbor::NearestNeighbor`
Dec 11 13:03:53.593 INFO [stderr]   --> src/main.rs:20:5
Dec 11 13:03:53.593 INFO [stderr]    |
Dec 11 13:03:53.593 INFO [stderr] 20 | use nearest_neighbor::NearestNeighbor;
Dec 11 13:03:53.593 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 13:03:53.593 INFO [stderr] 
Dec 11 13:03:53.908 INFO [stderr] warning: unused import: `std::error::Error`
Dec 11 13:03:53.908 INFO [stderr]  --> src/main.rs:9:5
Dec 11 13:03:53.908 INFO [stderr]   |
Dec 11 13:03:53.908 INFO [stderr] 9 | use std::error::Error;
Dec 11 13:03:53.908 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 11 13:03:53.920 INFO [stderr]   |
Dec 11 13:03:53.920 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 13:03:53.920 INFO [stderr] 
Dec 11 13:03:53.920 INFO [stderr] warning: unused import: `std::fs::File`
Dec 11 13:03:53.920 INFO [stderr]   --> src/main.rs:10:5
Dec 11 13:03:53.920 INFO [stderr]    |
Dec 11 13:03:53.920 INFO [stderr] 10 | use std::fs::File;
Dec 11 13:03:53.920 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 11 13:03:53.920 INFO [stderr] 
Dec 11 13:03:53.920 INFO [stderr] warning: unused import: `std::io`
Dec 11 13:03:53.920 INFO [stderr]   --> src/main.rs:11:5
Dec 11 13:03:53.920 INFO [stderr]    |
Dec 11 13:03:53.920 INFO [stderr] 11 | use std::io;
Dec 11 13:03:53.920 INFO [stderr]    |     ^^^^^^^
Dec 11 13:03:53.920 INFO [stderr] 
Dec 11 13:03:53.921 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 11 13:03:53.921 INFO [stderr]   --> src/main.rs:12:5
Dec 11 13:03:53.921 INFO [stderr]    |
Dec 11 13:03:53.921 INFO [stderr] 12 | use std::io::prelude::*;
Dec 11 13:03:53.921 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 11 13:03:53.921 INFO [stderr] 
Dec 11 13:03:53.921 INFO [stderr] warning: unused import: `std::path::Path`
Dec 11 13:03:53.921 INFO [stderr]   --> src/main.rs:13:5
Dec 11 13:03:53.921 INFO [stderr]    |
Dec 11 13:03:53.921 INFO [stderr] 13 | use std::path::Path;
Dec 11 13:03:53.921 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 11 13:03:53.921 INFO [stderr] 
Dec 11 13:03:53.921 INFO [stderr] warning: unused import: `rulinalg::vector::Vector`
Dec 11 13:03:53.921 INFO [stderr]  --> src/neural_network.rs:2:5
Dec 11 13:03:53.921 INFO [stderr]   |
Dec 11 13:03:53.921 INFO [stderr] 2 | use rulinalg::vector::Vector;
Dec 11 13:03:53.921 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 13:03:53.921 INFO [stderr] 
Dec 11 13:03:53.921 INFO [stderr] warning: unused import: `rand::Rng`
Dec 11 13:03:53.921 INFO [stderr]  --> src/neural_network.rs:5:5
Dec 11 13:03:53.921 INFO [stderr]   |
Dec 11 13:03:53.921 INFO [stderr] 5 | use rand::Rng;
Dec 11 13:03:53.921 INFO [stderr]   |     ^^^^^^^^^
Dec 11 13:03:53.921 INFO [stderr] 
Dec 11 13:03:53.921 INFO [stderr] warning: unused import: `nearest_neighbor::NearestNeighbor`
Dec 11 13:03:53.921 INFO [stderr]   --> src/main.rs:20:5
Dec 11 13:03:53.921 INFO [stderr]    |
Dec 11 13:03:53.921 INFO [stderr] 20 | use nearest_neighbor::NearestNeighbor;
Dec 11 13:03:53.921 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 13:03:53.921 INFO [stderr] 
Dec 11 13:03:54.089 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.81s
Dec 11 13:03:54.096 INFO [stderr] su: No module specific data is present
Dec 11 13:03:54.902 INFO running `"docker" "inspect" "0a6a96e8a5c9979937c4fdccf4c9e59acfc187927aa4a20c2abe26a9d7f69be1"`
Dec 11 13:03:55.162 INFO running `"docker" "rm" "-f" "0a6a96e8a5c9979937c4fdccf4c9e59acfc187927aa4a20c2abe26a9d7f69be1"`
Dec 11 13:03:55.476 INFO [stdout] 0a6a96e8a5c9979937c4fdccf4c9e59acfc187927aa4a20c2abe26a9d7f69be1