Dec 19 15:00:38.301 INFO checking jonathangold/artificial_neural_network against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 15:00:38.301 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/jonathangold/artificial_neural_network:/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 15:00:38.860 INFO [stdout] a1b0751c002c4786efd16953f69e6f318e3bf1f90fa729effa1d10dc8a62f521
Dec 19 15:00:38.860 INFO running `"docker" "start" "-a" "a1b0751c002c4786efd16953f69e6f318e3bf1f90fa729effa1d10dc8a62f521"`
Dec 19 15:00:40.661 INFO [stderr]     Checking artificial_neural_network v0.1.0 (/opt/crater/workdir)
Dec 19 15:00:41.036 INFO [stderr] warning: unused variable: `i`
Dec 19 15:00:41.036 INFO [stderr]   --> src/perceptron.rs:31:9
Dec 19 15:00:41.036 INFO [stderr]    |
Dec 19 15:00:41.036 INFO [stderr] 31 |     for i in 0..inputs {
Dec 19 15:00:41.036 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 19 15:00:41.036 INFO [stderr]    |
Dec 19 15:00:41.036 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 15:00:41.036 INFO [stderr] 
Dec 19 15:00:41.036 INFO [stderr] warning: unused variable: `y`
Dec 19 15:00:41.037 INFO [stderr]   --> src/train.rs:17:9
Dec 19 15:00:41.037 INFO [stderr]    |
Dec 19 15:00:41.037 INFO [stderr] 17 |     let y = point[1];
Dec 19 15:00:41.037 INFO [stderr]    |         ^ help: consider using `_y` instead
Dec 19 15:00:41.037 INFO [stderr] 
Dec 19 15:00:41.037 INFO [stderr] warning: unused variable: `i`
Dec 19 15:00:41.037 INFO [stderr]   --> src/train.rs:25:9
Dec 19 15:00:41.037 INFO [stderr]    |
Dec 19 15:00:41.037 INFO [stderr] 25 |     for i in 1..iters {
Dec 19 15:00:41.037 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 19 15:00:41.037 INFO [stderr] 
Dec 19 15:00:41.037 INFO [stderr] warning: unused variable: `data`
Dec 19 15:00:41.037 INFO [stderr]  --> src/main.rs:5:9
Dec 19 15:00:41.037 INFO [stderr]   |
Dec 19 15:00:41.037 INFO [stderr] 5 |     let data: Vec<(i32,i32)> = vec!((0,0),(0,1),(1,0),(1,1));
Dec 19 15:00:41.037 INFO [stderr]   |         ^^^^ help: consider using `_data` instead
Dec 19 15:00:41.037 INFO [stderr] 
Dec 19 15:00:41.040 INFO [stderr] warning: unused variable: `xorResult`
Dec 19 15:00:41.040 INFO [stderr]  --> src/main.rs:6:9
Dec 19 15:00:41.040 INFO [stderr]   |
Dec 19 15:00:41.040 INFO [stderr] 6 |     let xorResult: Vec<i32> = vec!(0,1,1,0);
Dec 19 15:00:41.040 INFO [stderr]   |         ^^^^^^^^^ help: consider using `_xorResult` instead
Dec 19 15:00:41.040 INFO [stderr] 
Dec 19 15:00:41.048 INFO [stderr] warning: unused variable: `i`
Dec 19 15:00:41.048 INFO [stderr]   --> src/perceptron.rs:31:9
Dec 19 15:00:41.048 INFO [stderr]    |
Dec 19 15:00:41.048 INFO [stderr] 31 |     for i in 0..inputs {
Dec 19 15:00:41.048 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 19 15:00:41.048 INFO [stderr]    |
Dec 19 15:00:41.048 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 15:00:41.048 INFO [stderr] 
Dec 19 15:00:41.048 INFO [stderr] warning: unused variable: `y`
Dec 19 15:00:41.048 INFO [stderr]   --> src/train.rs:17:9
Dec 19 15:00:41.048 INFO [stderr]    |
Dec 19 15:00:41.048 INFO [stderr] 17 |     let y = point[1];
Dec 19 15:00:41.048 INFO [stderr]    |         ^ help: consider using `_y` instead
Dec 19 15:00:41.048 INFO [stderr] 
Dec 19 15:00:41.048 INFO [stderr] warning: unused variable: `i`
Dec 19 15:00:41.048 INFO [stderr]   --> src/train.rs:25:9
Dec 19 15:00:41.048 INFO [stderr]    |
Dec 19 15:00:41.048 INFO [stderr] 25 |     for i in 1..iters {
Dec 19 15:00:41.048 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 19 15:00:41.048 INFO [stderr] 
Dec 19 15:00:41.048 INFO [stderr] warning: unused variable: `data`
Dec 19 15:00:41.048 INFO [stderr]  --> src/main.rs:5:9
Dec 19 15:00:41.048 INFO [stderr]   |
Dec 19 15:00:41.048 INFO [stderr] 5 |     let data: Vec<(i32,i32)> = vec!((0,0),(0,1),(1,0),(1,1));
Dec 19 15:00:41.048 INFO [stderr]   |         ^^^^ help: consider using `_data` instead
Dec 19 15:00:41.048 INFO [stderr] 
Dec 19 15:00:41.048 INFO [stderr] warning: unused variable: `xorResult`
Dec 19 15:00:41.048 INFO [stderr]  --> src/main.rs:6:9
Dec 19 15:00:41.048 INFO [stderr]   |
Dec 19 15:00:41.048 INFO [stderr] 6 |     let xorResult: Vec<i32> = vec!(0,1,1,0);
Dec 19 15:00:41.049 INFO [stderr]   |         ^^^^^^^^^ help: consider using `_xorResult` instead
Dec 19 15:00:41.049 INFO [stderr] 
Dec 19 15:00:41.065 INFO [stderr] warning: variable does not need to be mutable
Dec 19 15:00:41.065 INFO [stderr]   --> src/train.rs:10:9
Dec 19 15:00:41.065 INFO [stderr]    |
Dec 19 15:00:41.065 INFO [stderr] 10 |     let mut a:i32 = rand::thread_rng().gen_range(-5, 6);
Dec 19 15:00:41.065 INFO [stderr]    |         ----^
Dec 19 15:00:41.065 INFO [stderr]    |         |
Dec 19 15:00:41.065 INFO [stderr]    |         help: remove this `mut`
Dec 19 15:00:41.065 INFO [stderr]    |
Dec 19 15:00:41.065 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 15:00:41.065 INFO [stderr] 
Dec 19 15:00:41.065 INFO [stderr] warning: variable does not need to be mutable
Dec 19 15:00:41.065 INFO [stderr]   --> src/train.rs:11:9
Dec 19 15:00:41.065 INFO [stderr]    |
Dec 19 15:00:41.065 INFO [stderr] 11 |     let mut b:i32 = rand::thread_rng().gen_range(-50, 51);
Dec 19 15:00:41.065 INFO [stderr]    |         ----^
Dec 19 15:00:41.065 INFO [stderr]    |         |
Dec 19 15:00:41.065 INFO [stderr]    |         help: remove this `mut`
Dec 19 15:00:41.065 INFO [stderr] 
Dec 19 15:00:41.065 INFO [stderr] warning: variable does not need to be mutable
Dec 19 15:00:41.065 INFO [stderr]   --> src/train.rs:10:9
Dec 19 15:00:41.065 INFO [stderr]    |
Dec 19 15:00:41.065 INFO [stderr] 10 |     let mut a:i32 = rand::thread_rng().gen_range(-5, 6);
Dec 19 15:00:41.065 INFO [stderr]    |         ----^
Dec 19 15:00:41.065 INFO [stderr]    |         |
Dec 19 15:00:41.065 INFO [stderr]    |         help: remove this `mut`
Dec 19 15:00:41.065 INFO [stderr]    |
Dec 19 15:00:41.065 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 15:00:41.065 INFO [stderr] 
Dec 19 15:00:41.065 INFO [stderr] warning: variable does not need to be mutable
Dec 19 15:00:41.065 INFO [stderr]   --> src/train.rs:11:9
Dec 19 15:00:41.066 INFO [stderr]    |
Dec 19 15:00:41.066 INFO [stderr] 11 |     let mut b:i32 = rand::thread_rng().gen_range(-50, 51);
Dec 19 15:00:41.066 INFO [stderr]    |         ----^
Dec 19 15:00:41.066 INFO [stderr]    |         |
Dec 19 15:00:41.066 INFO [stderr]    |         help: remove this `mut`
Dec 19 15:00:41.066 INFO [stderr] 
Dec 19 15:00:41.073 INFO [stderr] warning: variable `learningRate` should have a snake case name such as `learning_rate`
Dec 19 15:00:41.073 INFO [stderr]   --> src/perceptron.rs:21:58
Dec 19 15:00:41.073 INFO [stderr]    |
Dec 19 15:00:41.073 INFO [stderr] 21 |     pub fn adjust(&mut self, inputs:Vec<i32>, delta:i32, learningRate:f32) {
Dec 19 15:00:41.073 INFO [stderr]    |                                                          ^^^^^^^^^^^^
Dec 19 15:00:41.073 INFO [stderr]    |
Dec 19 15:00:41.073 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 19 15:00:41.073 INFO [stderr] 
Dec 19 15:00:41.073 INFO [stderr] warning: function `newPerceptron` should have a snake case name such as `new_perceptron`
Dec 19 15:00:41.073 INFO [stderr]   --> src/perceptron.rs:29:1
Dec 19 15:00:41.073 INFO [stderr]    |
Dec 19 15:00:41.073 INFO [stderr] 29 | / pub fn newPerceptron(inputs: i32) -> Perceptron {
Dec 19 15:00:41.073 INFO [stderr] 30 | |     let mut randomWeights: Vec<f32> = Vec::new();
Dec 19 15:00:41.073 INFO [stderr] 31 | |     for i in 0..inputs {
Dec 19 15:00:41.073 INFO [stderr] 32 | |         randomWeights.push(randomNumber());
Dec 19 15:00:41.073 INFO [stderr] 33 | |     }
Dec 19 15:00:41.073 INFO [stderr] 34 | |     Perceptron { weights: randomWeights, bias: randomNumber() }
Dec 19 15:00:41.073 INFO [stderr] 35 | | }
Dec 19 15:00:41.073 INFO [stderr]    | |_^
Dec 19 15:00:41.073 INFO [stderr] 
Dec 19 15:00:41.073 INFO [stderr] warning: variable `randomWeights` should have a snake case name such as `random_weights`
Dec 19 15:00:41.073 INFO [stderr]   --> src/perceptron.rs:30:9
Dec 19 15:00:41.073 INFO [stderr]    |
Dec 19 15:00:41.073 INFO [stderr] 30 |     let mut randomWeights: Vec<f32> = Vec::new();
Dec 19 15:00:41.073 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^
Dec 19 15:00:41.073 INFO [stderr] 
Dec 19 15:00:41.073 INFO [stderr] warning: function `randomNumber` should have a snake case name such as `random_number`
Dec 19 15:00:41.073 INFO [stderr]   --> src/perceptron.rs:46:1
Dec 19 15:00:41.073 INFO [stderr]    |
Dec 19 15:00:41.073 INFO [stderr] 46 | / fn randomNumber() -> f32 {
Dec 19 15:00:41.073 INFO [stderr] 47 | |     let unscaled = rand::thread_rng().gen_range(-10000, 10001);
Dec 19 15:00:41.073 INFO [stderr] 48 | |     (unscaled as f32) / 10000.0
Dec 19 15:00:41.073 INFO [stderr] 49 | | }
Dec 19 15:00:41.073 INFO [stderr]    | |_^
Dec 19 15:00:41.073 INFO [stderr] 
Dec 19 15:00:41.073 INFO [stderr] warning: function `isAboveLine` should have a snake case name such as `is_above_line`
Dec 19 15:00:41.073 INFO [stderr]   --> src/train.rs:15:1
Dec 19 15:00:41.073 INFO [stderr]    |
Dec 19 15:00:41.073 INFO [stderr] 15 | / fn isAboveLine(point:&Vec<i32>, f:&Fn(i32) -> i32) -> i32 {
Dec 19 15:00:41.073 INFO [stderr] 16 | |     let x = point[0];
Dec 19 15:00:41.073 INFO [stderr] 17 | |     let y = point[1];
Dec 19 15:00:41.073 INFO [stderr] 18 | |     match x.cmp(&f(x)) {
Dec 19 15:00:41.073 INFO [stderr] ...  |
Dec 19 15:00:41.073 INFO [stderr] 21 | |     }
Dec 19 15:00:41.073 INFO [stderr] 22 | | }
Dec 19 15:00:41.073 INFO [stderr]    | |_^
Dec 19 15:00:41.073 INFO [stderr] 
Dec 19 15:00:41.073 INFO [stderr] warning: function `randInt` should have a snake case name such as `rand_int`
Dec 19 15:00:41.073 INFO [stderr]   --> src/train.rs:42:1
Dec 19 15:00:41.073 INFO [stderr]    |
Dec 19 15:00:41.073 INFO [stderr] 42 | / fn randInt() -> i32 {
Dec 19 15:00:41.073 INFO [stderr] 43 | |     rand::thread_rng().gen_range(-100, 201)   
Dec 19 15:00:41.073 INFO [stderr] 44 | | }
Dec 19 15:00:41.073 INFO [stderr]    | |_^
Dec 19 15:00:41.073 INFO [stderr] 
Dec 19 15:00:41.073 INFO [stderr] warning: variable `xorResult` should have a snake case name such as `xor_result`
Dec 19 15:00:41.073 INFO [stderr]  --> src/main.rs:6:9
Dec 19 15:00:41.073 INFO [stderr]   |
Dec 19 15:00:41.073 INFO [stderr] 6 |     let xorResult: Vec<i32> = vec!(0,1,1,0);
Dec 19 15:00:41.073 INFO [stderr]   |         ^^^^^^^^^
Dec 19 15:00:41.073 INFO [stderr] 
Dec 19 15:00:41.073 INFO [stderr] warning: variable `xorPerceptron` should have a snake case name such as `xor_perceptron`
Dec 19 15:00:41.073 INFO [stderr]  --> src/main.rs:8:9
Dec 19 15:00:41.073 INFO [stderr]   |
Dec 19 15:00:41.073 INFO [stderr] 8 |     let mut xorPerceptron = perceptron::newPerceptron(2);
Dec 19 15:00:41.073 INFO [stderr]   |         ^^^^^^^^^^^^^^^^^
Dec 19 15:00:41.073 INFO [stderr] 
Dec 19 15:00:41.073 INFO [stderr] warning: variable `learningRate` should have a snake case name such as `learning_rate`
Dec 19 15:00:41.073 INFO [stderr]   --> src/perceptron.rs:21:58
Dec 19 15:00:41.073 INFO [stderr]    |
Dec 19 15:00:41.073 INFO [stderr] 21 |     pub fn adjust(&mut self, inputs:Vec<i32>, delta:i32, learningRate:f32) {
Dec 19 15:00:41.073 INFO [stderr]    |                                                          ^^^^^^^^^^^^
Dec 19 15:00:41.073 INFO [stderr]    |
Dec 19 15:00:41.073 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 19 15:00:41.073 INFO [stderr] 
Dec 19 15:00:41.073 INFO [stderr] warning: function `newPerceptron` should have a snake case name such as `new_perceptron`
Dec 19 15:00:41.073 INFO [stderr]   --> src/perceptron.rs:29:1
Dec 19 15:00:41.073 INFO [stderr]    |
Dec 19 15:00:41.073 INFO [stderr] 29 | / pub fn newPerceptron(inputs: i32) -> Perceptron {
Dec 19 15:00:41.073 INFO [stderr] 30 | |     let mut randomWeights: Vec<f32> = Vec::new();
Dec 19 15:00:41.073 INFO [stderr] 31 | |     for i in 0..inputs {
Dec 19 15:00:41.074 INFO [stderr] 32 | |         randomWeights.push(randomNumber());
Dec 19 15:00:41.074 INFO [stderr] 33 | |     }
Dec 19 15:00:41.074 INFO [stderr] 34 | |     Perceptron { weights: randomWeights, bias: randomNumber() }
Dec 19 15:00:41.074 INFO [stderr] 35 | | }
Dec 19 15:00:41.074 INFO [stderr]    | |_^
Dec 19 15:00:41.074 INFO [stderr] 
Dec 19 15:00:41.074 INFO [stderr] warning: variable `randomWeights` should have a snake case name such as `random_weights`
Dec 19 15:00:41.074 INFO [stderr]   --> src/perceptron.rs:30:9
Dec 19 15:00:41.074 INFO [stderr]    |
Dec 19 15:00:41.074 INFO [stderr] 30 |     let mut randomWeights: Vec<f32> = Vec::new();
Dec 19 15:00:41.074 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^
Dec 19 15:00:41.074 INFO [stderr] 
Dec 19 15:00:41.074 INFO [stderr] warning: function `randomNumber` should have a snake case name such as `random_number`
Dec 19 15:00:41.074 INFO [stderr]   --> src/perceptron.rs:46:1
Dec 19 15:00:41.074 INFO [stderr]    |
Dec 19 15:00:41.074 INFO [stderr] 46 | / fn randomNumber() -> f32 {
Dec 19 15:00:41.074 INFO [stderr] 47 | |     let unscaled = rand::thread_rng().gen_range(-10000, 10001);
Dec 19 15:00:41.074 INFO [stderr] 48 | |     (unscaled as f32) / 10000.0
Dec 19 15:00:41.074 INFO [stderr] 49 | | }
Dec 19 15:00:41.074 INFO [stderr]    | |_^
Dec 19 15:00:41.074 INFO [stderr] 
Dec 19 15:00:41.074 INFO [stderr] warning: function `isAboveLine` should have a snake case name such as `is_above_line`
Dec 19 15:00:41.074 INFO [stderr]   --> src/train.rs:15:1
Dec 19 15:00:41.074 INFO [stderr]    |
Dec 19 15:00:41.074 INFO [stderr] 15 | / fn isAboveLine(point:&Vec<i32>, f:&Fn(i32) -> i32) -> i32 {
Dec 19 15:00:41.074 INFO [stderr] 16 | |     let x = point[0];
Dec 19 15:00:41.074 INFO [stderr] 17 | |     let y = point[1];
Dec 19 15:00:41.074 INFO [stderr] 18 | |     match x.cmp(&f(x)) {
Dec 19 15:00:41.074 INFO [stderr] ...  |
Dec 19 15:00:41.074 INFO [stderr] 21 | |     }
Dec 19 15:00:41.074 INFO [stderr] 22 | | }
Dec 19 15:00:41.074 INFO [stderr]    | |_^
Dec 19 15:00:41.074 INFO [stderr] 
Dec 19 15:00:41.074 INFO [stderr] warning: function `randInt` should have a snake case name such as `rand_int`
Dec 19 15:00:41.074 INFO [stderr]   --> src/train.rs:42:1
Dec 19 15:00:41.074 INFO [stderr]    |
Dec 19 15:00:41.074 INFO [stderr] 42 | / fn randInt() -> i32 {
Dec 19 15:00:41.074 INFO [stderr] 43 | |     rand::thread_rng().gen_range(-100, 201)   
Dec 19 15:00:41.074 INFO [stderr] 44 | | }
Dec 19 15:00:41.074 INFO [stderr]    | |_^
Dec 19 15:00:41.074 INFO [stderr] 
Dec 19 15:00:41.074 INFO [stderr] warning: variable `xorResult` should have a snake case name such as `xor_result`
Dec 19 15:00:41.074 INFO [stderr]  --> src/main.rs:6:9
Dec 19 15:00:41.074 INFO [stderr]   |
Dec 19 15:00:41.074 INFO [stderr] 6 |     let xorResult: Vec<i32> = vec!(0,1,1,0);
Dec 19 15:00:41.074 INFO [stderr]   |         ^^^^^^^^^
Dec 19 15:00:41.074 INFO [stderr] 
Dec 19 15:00:41.074 INFO [stderr] warning: variable `xorPerceptron` should have a snake case name such as `xor_perceptron`
Dec 19 15:00:41.074 INFO [stderr]  --> src/main.rs:8:9
Dec 19 15:00:41.074 INFO [stderr]   |
Dec 19 15:00:41.074 INFO [stderr] 8 |     let mut xorPerceptron = perceptron::newPerceptron(2);
Dec 19 15:00:41.074 INFO [stderr]   |         ^^^^^^^^^^^^^^^^^
Dec 19 15:00:41.074 INFO [stderr] 
Dec 19 15:00:41.136 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
Dec 19 15:00:41.918 INFO running `"docker" "inspect" "a1b0751c002c4786efd16953f69e6f318e3bf1f90fa729effa1d10dc8a62f521"`
Dec 19 15:00:42.176 INFO running `"docker" "rm" "-f" "a1b0751c002c4786efd16953f69e6f318e3bf1f90fa729effa1d10dc8a62f521"`
Dec 19 15:00:42.400 INFO [stdout] a1b0751c002c4786efd16953f69e6f318e3bf1f90fa729effa1d10dc8a62f521