Dec 17 20:50:00.313 INFO checking legeyda/neurocr against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 20:50:00.313 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/legeyda/neurocr:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 20:50:00.745 INFO [stdout] 6074ae00ed49a85d32b1c308b8df028e6b2b0c4c33d88ea81730c7d509bf3c9f
Dec 17 20:50:00.747 INFO running `"docker" "start" "-a" "6074ae00ed49a85d32b1c308b8df028e6b2b0c4c33d88ea81730c7d509bf3c9f"`
Dec 17 20:50:03.644 INFO [stderr]     Checking simple_logger v0.5.0
Dec 17 20:50:03.646 INFO [stderr]     Checking chrono v0.4.0
Dec 17 20:50:03.648 INFO [stderr]     Checking rulinalg v0.4.2
Dec 17 20:50:06.338 INFO [stderr]     Checking env_logger v0.5.3
Dec 17 20:50:08.352 INFO [stderr]     Checking neurocr v0.1.0 (/opt/crater/workdir)
Dec 17 20:50:08.792 INFO [stderr] warning: unused import: `std::vec::Vec`
Dec 17 20:50:08.792 INFO [stderr]   --> src/mnistfiles.rs:10:5
Dec 17 20:50:08.792 INFO [stderr]    |
Dec 17 20:50:08.792 INFO [stderr] 10 | use std::vec::Vec;
Dec 17 20:50:08.792 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 17 20:50:08.792 INFO [stderr]    |
Dec 17 20:50:08.792 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 20:50:08.792 INFO [stderr] 
Dec 17 20:50:08.792 INFO [stderr] warning: unused import: `Fn`
Dec 17 20:50:08.792 INFO [stderr]   --> src/network.rs:18:26
Dec 17 20:50:08.792 INFO [stderr]    |
Dec 17 20:50:08.792 INFO [stderr] 18 | use std::ops::{Add, Mul, Fn};
Dec 17 20:50:08.792 INFO [stderr]    |                          ^^
Dec 17 20:50:08.792 INFO [stderr] 
Dec 17 20:50:08.792 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 17 20:50:08.792 INFO [stderr]    --> src/network.rs:195:17
Dec 17 20:50:08.792 INFO [stderr]     |
Dec 17 20:50:08.792 INFO [stderr] 195 |         let mut der = (&outputs[n-1] - expected_output);
Dec 17 20:50:08.792 INFO [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 17 20:50:08.793 INFO [stderr]     |
Dec 17 20:50:08.793 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 17 20:50:08.793 INFO [stderr] 
Dec 17 20:50:08.820 INFO [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
Dec 17 20:50:08.820 INFO [stderr]  --> src/mnistfiles.rs:6:5
Dec 17 20:50:08.820 INFO [stderr]   |
Dec 17 20:50:08.820 INFO [stderr] 6 | use std::env::home_dir;
Dec 17 20:50:08.820 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 17 20:50:08.820 INFO [stderr]   |
Dec 17 20:50:08.820 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 17 20:50:08.820 INFO [stderr] 
Dec 17 20:50:08.820 INFO [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
Dec 17 20:50:08.820 INFO [stderr]   --> src/mnistfiles.rs:13:8
Dec 17 20:50:08.820 INFO [stderr]    |
Dec 17 20:50:08.820 INFO [stderr] 13 |     match home_dir() {
Dec 17 20:50:08.820 INFO [stderr]    |           ^^^^^^^^
Dec 17 20:50:08.820 INFO [stderr] 
Dec 17 20:50:08.820 INFO [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
Dec 17 20:50:08.820 INFO [stderr]   --> src/mnistfiles.rs:25:8
Dec 17 20:50:08.820 INFO [stderr]    |
Dec 17 20:50:08.820 INFO [stderr] 25 |     match home_dir() {
Dec 17 20:50:08.820 INFO [stderr]    |           ^^^^^^^^
Dec 17 20:50:08.821 INFO [stderr] 
Dec 17 20:50:08.976 INFO [stderr] warning: unused `#[macro_use]` import
Dec 17 20:50:08.976 INFO [stderr]  --> src/lib.rs:5:1
Dec 17 20:50:08.976 INFO [stderr]   |
Dec 17 20:50:08.976 INFO [stderr] 5 | #[macro_use]
Dec 17 20:50:08.976 INFO [stderr]   | ^^^^^^^^^^^^
Dec 17 20:50:08.976 INFO [stderr]   |
Dec 17 20:50:08.976 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 20:50:08.976 INFO [stderr] 
Dec 17 20:50:08.976 INFO [stderr] warning: unused import: `std::vec::Vec`
Dec 17 20:50:08.976 INFO [stderr]   --> src/mnistfiles.rs:10:5
Dec 17 20:50:08.976 INFO [stderr]    |
Dec 17 20:50:08.976 INFO [stderr] 10 | use std::vec::Vec;
Dec 17 20:50:08.976 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 17 20:50:08.976 INFO [stderr] 
Dec 17 20:50:08.976 INFO [stderr] warning: unused import: `Fn`
Dec 17 20:50:08.976 INFO [stderr]   --> src/network.rs:18:26
Dec 17 20:50:08.976 INFO [stderr]    |
Dec 17 20:50:08.976 INFO [stderr] 18 | use std::ops::{Add, Mul, Fn};
Dec 17 20:50:08.976 INFO [stderr]    |                          ^^
Dec 17 20:50:08.976 INFO [stderr] 
Dec 17 20:50:08.977 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 17 20:50:08.977 INFO [stderr]    --> src/network.rs:195:17
Dec 17 20:50:08.977 INFO [stderr]     |
Dec 17 20:50:08.977 INFO [stderr] 195 |         let mut der = (&outputs[n-1] - expected_output);
Dec 17 20:50:08.977 INFO [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 17 20:50:08.977 INFO [stderr]     |
Dec 17 20:50:08.977 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 17 20:50:08.977 INFO [stderr] 
Dec 17 20:50:09.016 INFO [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
Dec 17 20:50:09.016 INFO [stderr]  --> src/mnistfiles.rs:6:5
Dec 17 20:50:09.016 INFO [stderr]   |
Dec 17 20:50:09.016 INFO [stderr] 6 | use std::env::home_dir;
Dec 17 20:50:09.016 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 17 20:50:09.016 INFO [stderr]   |
Dec 17 20:50:09.016 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 17 20:50:09.016 INFO [stderr] 
Dec 17 20:50:09.016 INFO [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
Dec 17 20:50:09.016 INFO [stderr]   --> src/mnistfiles.rs:13:8
Dec 17 20:50:09.016 INFO [stderr]    |
Dec 17 20:50:09.016 INFO [stderr] 13 |     match home_dir() {
Dec 17 20:50:09.016 INFO [stderr]    |           ^^^^^^^^
Dec 17 20:50:09.016 INFO [stderr] 
Dec 17 20:50:09.017 INFO [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
Dec 17 20:50:09.017 INFO [stderr]   --> src/mnistfiles.rs:25:8
Dec 17 20:50:09.017 INFO [stderr]    |
Dec 17 20:50:09.017 INFO [stderr] 25 |     match home_dir() {
Dec 17 20:50:09.017 INFO [stderr]    |           ^^^^^^^^
Dec 17 20:50:09.017 INFO [stderr] 
Dec 17 20:50:09.312 INFO [stderr] warning: unused variable: `ignored`
Dec 17 20:50:09.312 INFO [stderr]   --> src/network.rs:76:61
Dec 17 20:50:09.312 INFO [stderr]    |
Dec 17 20:50:09.312 INFO [stderr] 76 |             biases:  Vector::zeros(num_neurons)            .apply(&(|ignored| generator())), 
Dec 17 20:50:09.312 INFO [stderr]    |                                                                      ^^^^^^^ help: consider using `_ignored` instead
Dec 17 20:50:09.312 INFO [stderr]    |
Dec 17 20:50:09.312 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 20:50:09.312 INFO [stderr] 
Dec 17 20:50:09.312 INFO [stderr] warning: unused variable: `ignored`
Dec 17 20:50:09.312 INFO [stderr]   --> src/network.rs:77:61
Dec 17 20:50:09.312 INFO [stderr]    |
Dec 17 20:50:09.312 INFO [stderr] 77 |             weights: Matrix::zeros(num_neurons, num_inputs).apply(&(|ignored| generator()))
Dec 17 20:50:09.312 INFO [stderr]    |                                                                      ^^^^^^^ help: consider using `_ignored` instead
Dec 17 20:50:09.312 INFO [stderr] 
Dec 17 20:50:09.312 INFO [stderr] warning: unused variable: `n`
Dec 17 20:50:09.312 INFO [stderr]    --> src/network.rs:272:7
Dec 17 20:50:09.312 INFO [stderr]     |
Dec 17 20:50:09.312 INFO [stderr] 272 |         let n = data.len();
Dec 17 20:50:09.312 INFO [stderr]     |             ^ help: consider using `_n` instead
Dec 17 20:50:09.312 INFO [stderr] 
Dec 17 20:50:09.451 INFO [stderr] warning: variable does not need to be mutable
Dec 17 20:50:09.452 INFO [stderr]   --> src/math.rs:41:7
Dec 17 20:50:09.452 INFO [stderr]    |
Dec 17 20:50:09.452 INFO [stderr] 41 |         let mut value: ScalarType = subject.eval(&estimation);
Dec 17 20:50:09.452 INFO [stderr]    |             ----^^^^^
Dec 17 20:50:09.452 INFO [stderr]    |             |
Dec 17 20:50:09.452 INFO [stderr]    |             help: remove this `mut`
Dec 17 20:50:09.452 INFO [stderr]    |
Dec 17 20:50:09.452 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 20:50:09.452 INFO [stderr] 
Dec 17 20:50:09.452 INFO [stderr] warning: function is never used: `test_sigmoid`
Dec 17 20:50:09.452 INFO [stderr]   --> src/network.rs:39:1
Dec 17 20:50:09.452 INFO [stderr]    |
Dec 17 20:50:09.452 INFO [stderr] 39 | fn test_sigmoid() {
Dec 17 20:50:09.452 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 17 20:50:09.452 INFO [stderr]    |
Dec 17 20:50:09.452 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 20:50:09.452 INFO [stderr] 
Dec 17 20:50:09.453 INFO [stderr] warning: function is never used: `random`
Dec 17 20:50:09.453 INFO [stderr]   --> src/network.rs:61:1
Dec 17 20:50:09.453 INFO [stderr]    |
Dec 17 20:50:09.453 INFO [stderr] 61 | fn random<T>() -> T where T: Float + Rand {
Dec 17 20:50:09.453 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:50:09.453 INFO [stderr] 
Dec 17 20:50:09.453 INFO [stderr] warning: function is never used: `asses_quality`
Dec 17 20:50:09.453 INFO [stderr]    --> src/network.rs:549:1
Dec 17 20:50:09.453 INFO [stderr]     |
Dec 17 20:50:09.453 INFO [stderr] 549 | fn asses_quality<T: Debug + Float + FromPrimitive + 'static>(network: Network<T>, data: Vec<Sample<T>>) -> f32 {
Dec 17 20:50:09.453 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:50:09.453 INFO [stderr] 
Dec 17 20:50:09.454 INFO [stderr] warning: function is never used: `minimize`
Dec 17 20:50:09.454 INFO [stderr]   --> src/math.rs:24:1
Dec 17 20:50:09.454 INFO [stderr]    |
Dec 17 20:50:09.454 INFO [stderr] 24 | / fn minimize<VectorType, ScalarType>(subject:        &Functional<VectorType, ScalarType>,
Dec 17 20:50:09.454 INFO [stderr] 25 | |                                     mut estimation:  VectorType, 
Dec 17 20:50:09.454 INFO [stderr] 26 | |                                     mut step:        ScalarType, 
Dec 17 20:50:09.454 INFO [stderr] 27 | |                                     on_new:         &Fn(&VectorType) -> bool,
Dec 17 20:50:09.454 INFO [stderr] ...  |
Dec 17 20:50:09.454 INFO [stderr] 63 | |     estimation
Dec 17 20:50:09.454 INFO [stderr] 64 | | }
Dec 17 20:50:09.454 INFO [stderr]    | |_^
Dec 17 20:50:09.454 INFO [stderr] 
Dec 17 20:50:09.456 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 20:50:09.456 INFO [stderr]   --> src/mnistfiles.rs:40:2
Dec 17 20:50:09.456 INFO [stderr]    |
Dec 17 20:50:09.456 INFO [stderr] 40 |     create_dir_all(cache_dir.as_path());
Dec 17 20:50:09.456 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:50:09.456 INFO [stderr]    |
Dec 17 20:50:09.456 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 20:50:09.456 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 20:50:09.456 INFO [stderr] 
Dec 17 20:50:09.628 INFO [stderr] warning: unused variable: `ignored`
Dec 17 20:50:09.628 INFO [stderr]   --> src/network.rs:76:61
Dec 17 20:50:09.628 INFO [stderr]    |
Dec 17 20:50:09.628 INFO [stderr] 76 |             biases:  Vector::zeros(num_neurons)            .apply(&(|ignored| generator())), 
Dec 17 20:50:09.628 INFO [stderr]    |                                                                      ^^^^^^^ help: consider using `_ignored` instead
Dec 17 20:50:09.628 INFO [stderr]    |
Dec 17 20:50:09.628 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 20:50:09.628 INFO [stderr] 
Dec 17 20:50:09.628 INFO [stderr] warning: unused variable: `ignored`
Dec 17 20:50:09.628 INFO [stderr]   --> src/network.rs:77:61
Dec 17 20:50:09.628 INFO [stderr]    |
Dec 17 20:50:09.628 INFO [stderr] 77 |             weights: Matrix::zeros(num_neurons, num_inputs).apply(&(|ignored| generator()))
Dec 17 20:50:09.628 INFO [stderr]    |                                                                      ^^^^^^^ help: consider using `_ignored` instead
Dec 17 20:50:09.628 INFO [stderr] 
Dec 17 20:50:09.628 INFO [stderr] warning: unused variable: `n`
Dec 17 20:50:09.628 INFO [stderr]    --> src/network.rs:272:7
Dec 17 20:50:09.628 INFO [stderr]     |
Dec 17 20:50:09.628 INFO [stderr] 272 |         let n = data.len();
Dec 17 20:50:09.628 INFO [stderr]     |             ^ help: consider using `_n` instead
Dec 17 20:50:09.628 INFO [stderr] 
Dec 17 20:50:09.753 INFO [stderr] warning: variable does not need to be mutable
Dec 17 20:50:09.753 INFO [stderr]   --> src/math.rs:41:7
Dec 17 20:50:09.753 INFO [stderr]    |
Dec 17 20:50:09.753 INFO [stderr] 41 |         let mut value: ScalarType = subject.eval(&estimation);
Dec 17 20:50:09.753 INFO [stderr]    |             ----^^^^^
Dec 17 20:50:09.753 INFO [stderr]    |             |
Dec 17 20:50:09.753 INFO [stderr]    |             help: remove this `mut`
Dec 17 20:50:09.753 INFO [stderr]    |
Dec 17 20:50:09.753 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 20:50:09.753 INFO [stderr] 
Dec 17 20:50:09.753 INFO [stderr] warning: function is never used: `random`
Dec 17 20:50:09.753 INFO [stderr]   --> src/network.rs:61:1
Dec 17 20:50:09.753 INFO [stderr]    |
Dec 17 20:50:09.753 INFO [stderr] 61 | fn random<T>() -> T where T: Float + Rand {
Dec 17 20:50:09.753 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:50:09.753 INFO [stderr]    |
Dec 17 20:50:09.753 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 20:50:09.753 INFO [stderr] 
Dec 17 20:50:09.754 INFO [stderr] warning: function is never used: `minimize`
Dec 17 20:50:09.754 INFO [stderr]   --> src/math.rs:24:1
Dec 17 20:50:09.754 INFO [stderr]    |
Dec 17 20:50:09.754 INFO [stderr] 24 | / fn minimize<VectorType, ScalarType>(subject:        &Functional<VectorType, ScalarType>,
Dec 17 20:50:09.754 INFO [stderr] 25 | |                                     mut estimation:  VectorType, 
Dec 17 20:50:09.754 INFO [stderr] 26 | |                                     mut step:        ScalarType, 
Dec 17 20:50:09.754 INFO [stderr] 27 | |                                     on_new:         &Fn(&VectorType) -> bool,
Dec 17 20:50:09.754 INFO [stderr] ...  |
Dec 17 20:50:09.754 INFO [stderr] 63 | |     estimation
Dec 17 20:50:09.754 INFO [stderr] 64 | | }
Dec 17 20:50:09.754 INFO [stderr]    | |_^
Dec 17 20:50:09.754 INFO [stderr] 
Dec 17 20:50:09.754 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 20:50:09.754 INFO [stderr]   --> src/mnistfiles.rs:40:2
Dec 17 20:50:09.754 INFO [stderr]    |
Dec 17 20:50:09.754 INFO [stderr] 40 |     create_dir_all(cache_dir.as_path());
Dec 17 20:50:09.754 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:50:09.754 INFO [stderr]    |
Dec 17 20:50:09.754 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 20:50:09.754 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 20:50:09.754 INFO [stderr] 
Dec 17 20:50:10.537 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.06s
Dec 17 20:50:11.769 INFO running `"docker" "inspect" "6074ae00ed49a85d32b1c308b8df028e6b2b0c4c33d88ea81730c7d509bf3c9f"`
Dec 17 20:50:12.076 INFO running `"docker" "rm" "-f" "6074ae00ed49a85d32b1c308b8df028e6b2b0c4c33d88ea81730c7d509bf3c9f"`
Dec 17 20:50:12.396 INFO [stdout] 6074ae00ed49a85d32b1c308b8df028e6b2b0c4c33d88ea81730c7d509bf3c9f