[INFO] cloning repository https://github.com/elementary-luke/Digit-Recognition-NN
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/elementary-luke/Digit-Recognition-NN" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felementary-luke%2FDigit-Recognition-NN", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74e6ead445cc4b45d7d75ae2dc8a4586e3589cd6
[INFO] testing elementary-luke/Digit-Recognition-NN against try#ed7f3d77595b4831fdf085f2529aa13b5b51ff7d for pr-134530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felementary-luke%2FDigit-Recognition-NN" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
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[INFO] validating manifest of git repo https://github.com/elementary-luke/Digit-Recognition-NN on toolchain ed7f3d77595b4831fdf085f2529aa13b5b51ff7d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/elementary-luke/Digit-Recognition-NN
[INFO] finished tweaking git repo https://github.com/elementary-luke/Digit-Recognition-NN
[INFO] tweaked toml for git repo https://github.com/elementary-luke/Digit-Recognition-NN written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/elementary-luke/Digit-Recognition-NN already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/network.rs:43:21
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 for k in 0..self.layers[i - 1].neurons.len() 
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `curr_a`
[INFO] [stdout]    --> src/network.rs:157:25
[INFO] [stdout]     |
[INFO] [stdout] 157 |                     let curr_a = self.layers[k].neurons[i].activation; //neuron connected to weight on this layer
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_curr_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/main.rs:362:11
[INFO] [stdout]     |
[INFO] [stdout] 362 | fn x_grid(input: GridInput) -> Vec<GridMark> {
[INFO] [stdout]     |           ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/main.rs:375:11
[INFO] [stdout]     |
[INFO] [stdout] 375 | fn y_grid(input: GridInput) -> Vec<GridMark> {
[INFO] [stdout]     |           ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print_layer_activation` is never used
[INFO] [stdout]   --> src/network.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Network 
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 92 |     pub fn print_layer_activation(&mut self, nlayer: usize)
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dCdB` should have a snake case name
[INFO] [stdout]    --> src/network.rs:151:21
[INFO] [stdout]     |
[INFO] [stdout] 151 |                 let dCdB : f32 = dsigmoid(curr_z) * self.layers[k].neurons[i].dCdA as f32;
[INFO] [stdout]     |                     ^^^^ help: convert the identifier to snake case: `d_cd_b`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dCdW` should have a snake case name
[INFO] [stdout]    --> src/network.rs:160:25
[INFO] [stdout]     |
[INFO] [stdout] 160 |                     let dCdW : f32 = last_a * dsigmoid(curr_z) * self.layers[k].neurons[i].dCdA as f32;
[INFO] [stdout]     |                         ^^^^ help: convert the identifier to snake case: `d_cd_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `dCdW` should have a snake case name
[INFO] [stdout]  --> src/weight.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub dCdW : Vec<f32> //List of changes wanted for each image of the batch that will be averaged
[INFO] [stdout]   |         ^^^^ help: convert the identifier to snake case: `d_cd_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `dCdA` should have a snake case name
[INFO] [stdout]   --> src/neuron.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub dCdA : f32
[INFO] [stdout]    |         ^^^^ help: convert the identifier to snake case: `d_cd_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `dCdB` should have a snake case name
[INFO] [stdout]  --> src/bias.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub dCdB : Vec<f32> //List of changes wanted for each image of the batch that will be averaged
[INFO] [stdout]   |         ^^^^ help: convert the identifier to snake case: `d_cd_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `unit_w` should have an upper case name
[INFO] [stdout]  --> src/grid.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const unit_w : f32 = 20.0; //width in pixels of squares in the grida
[INFO] [stdout]   |       ^^^^^^ help: convert the identifier to upper case: `UNIT_W`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `Command { std: "docker" "inspect" "dedb14a103aed9cd43ab0669f25a2ba6541ac1c79d59f8b75e2b22bf93e3c39b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dedb14a103aed9cd43ab0669f25a2ba6541ac1c79d59f8b75e2b22bf93e3c39b", kill_on_drop: false }`
[INFO] [stdout] dedb14a103aed9cd43ab0669f25a2ba6541ac1c79d59f8b75e2b22bf93e3c39b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98ae69e78a50882a2f763866ca75f00a0b426df39f581da59e90e1389de78166
[INFO] running `Command { std: "docker" "start" "-a" "98ae69e78a50882a2f763866ca75f00a0b426df39f581da59e90e1389de78166", kill_on_drop: false }`
[INFO] [stderr]    Compiling machinalearnen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/network.rs:43:21
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 for k in 0..self.layers[i - 1].neurons.len() 
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `curr_a`
[INFO] [stdout]    --> src/network.rs:157:25
[INFO] [stdout]     |
[INFO] [stdout] 157 |                     let curr_a = self.layers[k].neurons[i].activation; //neuron connected to weight on this layer
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_curr_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/main.rs:362:11
[INFO] [stdout]     |
[INFO] [stdout] 362 | fn x_grid(input: GridInput) -> Vec<GridMark> {
[INFO] [stdout]     |           ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/main.rs:375:11
[INFO] [stdout]     |
[INFO] [stdout] 375 | fn y_grid(input: GridInput) -> Vec<GridMark> {
[INFO] [stdout]     |           ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print_layer_activation` is never used
[INFO] [stdout]   --> src/network.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Network 
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 92 |     pub fn print_layer_activation(&mut self, nlayer: usize)
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dCdB` should have a snake case name
[INFO] [stdout]    --> src/network.rs:151:21
[INFO] [stdout]     |
[INFO] [stdout] 151 |                 let dCdB : f32 = dsigmoid(curr_z) * self.layers[k].neurons[i].dCdA as f32;
[INFO] [stdout]     |                     ^^^^ help: convert the identifier to snake case: `d_cd_b`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dCdW` should have a snake case name
[INFO] [stdout]    --> src/network.rs:160:25
[INFO] [stdout]     |
[INFO] [stdout] 160 |                     let dCdW : f32 = last_a * dsigmoid(curr_z) * self.layers[k].neurons[i].dCdA as f32;
[INFO] [stdout]     |                         ^^^^ help: convert the identifier to snake case: `d_cd_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `dCdW` should have a snake case name
[INFO] [stdout]  --> src/weight.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub dCdW : Vec<f32> //List of changes wanted for each image of the batch that will be averaged
[INFO] [stdout]   |         ^^^^ help: convert the identifier to snake case: `d_cd_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `dCdA` should have a snake case name
[INFO] [stdout]   --> src/neuron.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub dCdA : f32
[INFO] [stdout]    |         ^^^^ help: convert the identifier to snake case: `d_cd_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `dCdB` should have a snake case name
[INFO] [stdout]  --> src/bias.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub dCdB : Vec<f32> //List of changes wanted for each image of the batch that will be averaged
[INFO] [stdout]   |         ^^^^ help: convert the identifier to snake case: `d_cd_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `unit_w` should have an upper case name
[INFO] [stdout]  --> src/grid.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const unit_w : f32 = 20.0; //width in pixels of squares in the grida
[INFO] [stdout]   |       ^^^^^^ help: convert the identifier to upper case: `UNIT_W`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `Command { std: "docker" "inspect" "98ae69e78a50882a2f763866ca75f00a0b426df39f581da59e90e1389de78166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98ae69e78a50882a2f763866ca75f00a0b426df39f581da59e90e1389de78166", kill_on_drop: false }`
[INFO] [stdout] 98ae69e78a50882a2f763866ca75f00a0b426df39f581da59e90e1389de78166
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4f2523bdc786f254d5502eae27381fe070920272219892c36906b1c9d1534406
[INFO] running `Command { std: "docker" "start" "-a" "4f2523bdc786f254d5502eae27381fe070920272219892c36906b1c9d1534406", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]   --> src/network.rs:43:21
[INFO] [stderr]    |
[INFO] [stderr] 43 |                 for k in 0..self.layers[i - 1].neurons.len() 
[INFO] [stderr]    |                     ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `curr_a`
[INFO] [stderr]    --> src/network.rs:157:25
[INFO] [stderr]     |
[INFO] [stderr] 157 |                     let curr_a = self.layers[k].neurons[i].activation; //neuron connected to weight on this layer
[INFO] [stderr]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_curr_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]    --> src/main.rs:362:11
[INFO] [stderr]     |
[INFO] [stderr] 362 | fn x_grid(input: GridInput) -> Vec<GridMark> {
[INFO] [stderr]     |           ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]    --> src/main.rs:375:11
[INFO] [stderr]     |
[INFO] [stderr] 375 | fn y_grid(input: GridInput) -> Vec<GridMark> {
[INFO] [stderr]     |           ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: method `print_layer_activation` is never used
[INFO] [stderr]   --> src/network.rs:92:12
[INFO] [stderr]    |
[INFO] [stderr] 23 | impl Network 
[INFO] [stderr]    | ------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 92 |     pub fn print_layer_activation(&mut self, nlayer: usize)
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `dCdB` should have a snake case name
[INFO] [stderr]    --> src/network.rs:151:21
[INFO] [stderr]     |
[INFO] [stderr] 151 |                 let dCdB : f32 = dsigmoid(curr_z) * self.layers[k].neurons[i].dCdA as f32;
[INFO] [stderr]     |                     ^^^^ help: convert the identifier to snake case: `d_cd_b`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `dCdW` should have a snake case name
[INFO] [stderr]    --> src/network.rs:160:25
[INFO] [stderr]     |
[INFO] [stderr] 160 |                     let dCdW : f32 = last_a * dsigmoid(curr_z) * self.layers[k].neurons[i].dCdA as f32;
[INFO] [stderr]     |                         ^^^^ help: convert the identifier to snake case: `d_cd_w`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `dCdW` should have a snake case name
[INFO] [stderr]  --> src/weight.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub dCdW : Vec<f32> //List of changes wanted for each image of the batch that will be averaged
[INFO] [stderr]   |         ^^^^ help: convert the identifier to snake case: `d_cd_w`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `dCdA` should have a snake case name
[INFO] [stderr]   --> src/neuron.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub dCdA : f32
[INFO] [stderr]    |         ^^^^ help: convert the identifier to snake case: `d_cd_a`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `dCdB` should have a snake case name
[INFO] [stderr]  --> src/bias.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub dCdB : Vec<f32> //List of changes wanted for each image of the batch that will be averaged
[INFO] [stderr]   |         ^^^^ help: convert the identifier to snake case: `d_cd_b`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `unit_w` should have an upper case name
[INFO] [stderr]  --> src/grid.rs:9:7
[INFO] [stderr]   |
[INFO] [stderr] 9 | const unit_w : f32 = 20.0; //width in pixels of squares in the grida
[INFO] [stderr]   |       ^^^^^^ help: convert the identifier to upper case: `UNIT_W`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `machinalearnen` (bin "machinalearnen" test) generated 11 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/machinalearnen-a287502058e63c52)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4f2523bdc786f254d5502eae27381fe070920272219892c36906b1c9d1534406", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f2523bdc786f254d5502eae27381fe070920272219892c36906b1c9d1534406", kill_on_drop: false }`
[INFO] [stdout] 4f2523bdc786f254d5502eae27381fe070920272219892c36906b1c9d1534406