Dec 19 12:10:35.667 INFO checking mwalczyk/machina-rs against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 12:10:35.667 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/mwalczyk/machina-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 12:10:36.110 INFO [stdout] 8e0f6e994103b328cd2ed135bc8f0f57c1957c8073241d651c36644aba789feb
Dec 19 12:10:36.113 INFO running `"docker" "start" "-a" "8e0f6e994103b328cd2ed135bc8f0f57c1957c8073241d651c36644aba789feb"`
Dec 19 12:10:37.962 INFO [stderr]     Checking csv v0.14.7
Dec 19 12:10:38.700 INFO [stderr]     Checking rulinalg v0.4.2
Dec 19 12:10:42.068 INFO [stderr]     Checking machina-rs v0.1.0 (/opt/crater/workdir)
Dec 19 12:10:42.336 INFO [stderr] warning: unused import: `std::error::Error`
Dec 19 12:10:42.336 INFO [stderr]  --> src/main.rs:9:5
Dec 19 12:10:42.336 INFO [stderr]   |
Dec 19 12:10:42.336 INFO [stderr] 9 | use std::error::Error;
Dec 19 12:10:42.336 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 19 12:10:42.336 INFO [stderr]   |
Dec 19 12:10:42.336 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 12:10:42.336 INFO [stderr] 
Dec 19 12:10:42.336 INFO [stderr] warning: unused import: `std::fs::File`
Dec 19 12:10:42.336 INFO [stderr]   --> src/main.rs:10:5
Dec 19 12:10:42.336 INFO [stderr]    |
Dec 19 12:10:42.336 INFO [stderr] 10 | use std::fs::File;
Dec 19 12:10:42.336 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 12:10:42.337 INFO [stderr] 
Dec 19 12:10:42.337 INFO [stderr] warning: unused import: `std::io`
Dec 19 12:10:42.337 INFO [stderr]   --> src/main.rs:11:5
Dec 19 12:10:42.337 INFO [stderr]    |
Dec 19 12:10:42.337 INFO [stderr] 11 | use std::io;
Dec 19 12:10:42.337 INFO [stderr]    |     ^^^^^^^
Dec 19 12:10:42.337 INFO [stderr] 
Dec 19 12:10:42.337 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 19 12:10:42.337 INFO [stderr]   --> src/main.rs:12:5
Dec 19 12:10:42.337 INFO [stderr]    |
Dec 19 12:10:42.337 INFO [stderr] 12 | use std::io::prelude::*;
Dec 19 12:10:42.337 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 19 12:10:42.337 INFO [stderr] 
Dec 19 12:10:42.337 INFO [stderr] warning: unused import: `std::path::Path`
Dec 19 12:10:42.337 INFO [stderr]   --> src/main.rs:13:5
Dec 19 12:10:42.337 INFO [stderr]    |
Dec 19 12:10:42.337 INFO [stderr] 13 | use std::path::Path;
Dec 19 12:10:42.337 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 19 12:10:42.337 INFO [stderr] 
Dec 19 12:10:42.337 INFO [stderr] warning: unused import: `rulinalg::vector::Vector`
Dec 19 12:10:42.337 INFO [stderr]  --> src/neural_network.rs:2:5
Dec 19 12:10:42.337 INFO [stderr]   |
Dec 19 12:10:42.337 INFO [stderr] 2 | use rulinalg::vector::Vector;
Dec 19 12:10:42.337 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:10:42.337 INFO [stderr] 
Dec 19 12:10:42.337 INFO [stderr] warning: unused import: `rand::Rng`
Dec 19 12:10:42.337 INFO [stderr]  --> src/neural_network.rs:5:5
Dec 19 12:10:42.337 INFO [stderr]   |
Dec 19 12:10:42.337 INFO [stderr] 5 | use rand::Rng;
Dec 19 12:10:42.337 INFO [stderr]   |     ^^^^^^^^^
Dec 19 12:10:42.337 INFO [stderr] 
Dec 19 12:10:42.337 INFO [stderr] warning: unused import: `nearest_neighbor::NearestNeighbor`
Dec 19 12:10:42.337 INFO [stderr]   --> src/main.rs:20:5
Dec 19 12:10:42.337 INFO [stderr]    |
Dec 19 12:10:42.337 INFO [stderr] 20 | use nearest_neighbor::NearestNeighbor;
Dec 19 12:10:42.337 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:10:42.337 INFO [stderr] 
Dec 19 12:10:42.448 INFO [stderr] warning: unused import: `std::error::Error`
Dec 19 12:10:42.448 INFO [stderr]  --> src/main.rs:9:5
Dec 19 12:10:42.448 INFO [stderr]   |
Dec 19 12:10:42.448 INFO [stderr] 9 | use std::error::Error;
Dec 19 12:10:42.448 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 19 12:10:42.448 INFO [stderr]   |
Dec 19 12:10:42.448 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 12:10:42.448 INFO [stderr] 
Dec 19 12:10:42.448 INFO [stderr] warning: unused import: `std::fs::File`
Dec 19 12:10:42.448 INFO [stderr]   --> src/main.rs:10:5
Dec 19 12:10:42.448 INFO [stderr]    |
Dec 19 12:10:42.449 INFO [stderr] 10 | use std::fs::File;
Dec 19 12:10:42.449 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 12:10:42.449 INFO [stderr] 
Dec 19 12:10:42.449 INFO [stderr] warning: unused import: `std::io`
Dec 19 12:10:42.449 INFO [stderr]   --> src/main.rs:11:5
Dec 19 12:10:42.449 INFO [stderr]    |
Dec 19 12:10:42.449 INFO [stderr] 11 | use std::io;
Dec 19 12:10:42.449 INFO [stderr]    |     ^^^^^^^
Dec 19 12:10:42.449 INFO [stderr] 
Dec 19 12:10:42.449 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 19 12:10:42.449 INFO [stderr]   --> src/main.rs:12:5
Dec 19 12:10:42.449 INFO [stderr]    |
Dec 19 12:10:42.449 INFO [stderr] 12 | use std::io::prelude::*;
Dec 19 12:10:42.449 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 19 12:10:42.449 INFO [stderr] 
Dec 19 12:10:42.449 INFO [stderr] warning: unused import: `std::path::Path`
Dec 19 12:10:42.449 INFO [stderr]   --> src/main.rs:13:5
Dec 19 12:10:42.449 INFO [stderr]    |
Dec 19 12:10:42.449 INFO [stderr] 13 | use std::path::Path;
Dec 19 12:10:42.449 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 19 12:10:42.449 INFO [stderr] 
Dec 19 12:10:42.449 INFO [stderr] warning: unused import: `rulinalg::vector::Vector`
Dec 19 12:10:42.449 INFO [stderr]  --> src/neural_network.rs:2:5
Dec 19 12:10:42.449 INFO [stderr]   |
Dec 19 12:10:42.449 INFO [stderr] 2 | use rulinalg::vector::Vector;
Dec 19 12:10:42.449 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:10:42.449 INFO [stderr] 
Dec 19 12:10:42.449 INFO [stderr] warning: unused import: `rand::Rng`
Dec 19 12:10:42.449 INFO [stderr]  --> src/neural_network.rs:5:5
Dec 19 12:10:42.449 INFO [stderr]   |
Dec 19 12:10:42.449 INFO [stderr] 5 | use rand::Rng;
Dec 19 12:10:42.449 INFO [stderr]   |     ^^^^^^^^^
Dec 19 12:10:42.449 INFO [stderr] 
Dec 19 12:10:42.449 INFO [stderr] warning: unused import: `nearest_neighbor::NearestNeighbor`
Dec 19 12:10:42.449 INFO [stderr]   --> src/main.rs:20:5
Dec 19 12:10:42.449 INFO [stderr]    |
Dec 19 12:10:42.449 INFO [stderr] 20 | use nearest_neighbor::NearestNeighbor;
Dec 19 12:10:42.449 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:10:42.449 INFO [stderr] 
Dec 19 12:10:42.734 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.83s
Dec 19 12:10:43.804 INFO running `"docker" "inspect" "8e0f6e994103b328cd2ed135bc8f0f57c1957c8073241d651c36644aba789feb"`
Dec 19 12:10:44.150 INFO running `"docker" "rm" "-f" "8e0f6e994103b328cd2ed135bc8f0f57c1957c8073241d651c36644aba789feb"`
Dec 19 12:10:44.596 INFO [stdout] 8e0f6e994103b328cd2ed135bc8f0f57c1957c8073241d651c36644aba789feb