[INFO] cloning repository https://github.com/xDimGG/nn-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xDimGG/nn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FxDimGG%2Fnn-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FxDimGG%2Fnn-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 94496c2d64b6ef9a8ab422f307f15026d1be0ddc
[INFO] testing xDimGG/nn-rust against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FxDimGG%2Fnn-rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/xDimGG/nn-rust
[INFO] finished tweaking git repo https://github.com/xDimGG/nn-rust
[INFO] tweaked toml for git repo https://github.com/xDimGG/nn-rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/xDimGG/nn-rust on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/xDimGG/nn-rust 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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_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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df1667950ba152ed78082f5d695ee87e07d72b2c6ae7e0b24f98cb488de9520d
[INFO] running `Command { std: "docker" "start" "-a" "df1667950ba152ed78082f5d695ee87e07d72b2c6ae7e0b24f98cb488de9520d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df1667950ba152ed78082f5d695ee87e07d72b2c6ae7e0b24f98cb488de9520d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df1667950ba152ed78082f5d695ee87e07d72b2c6ae7e0b24f98cb488de9520d", kill_on_drop: false }`
[INFO] [stdout] df1667950ba152ed78082f5d695ee87e07d72b2c6ae7e0b24f98cb488de9520d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab0ccf1da37e30044af74edcea00398056cae620d5a1cb59a9c3844602ae3450
[INFO] running `Command { std: "docker" "start" "-a" "ab0ccf1da37e30044af74edcea00398056cae620d5a1cb59a9c3844602ae3450", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling mnist v0.5.0
[INFO] [stderr]    Compiling getrandom v0.2.9
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling nn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `mnist::*`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use mnist::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `next_neuron`
[INFO] [stdout]    --> src/main.rs:287:13
[INFO] [stdout]     |
[INFO] [stdout] 287 |                 for (j, next_neuron) in next.neurons.iter().enumerate() {
[INFO] [stdout]     |                         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_neuron`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Sigmoid`, `Linear`, and `Softmax` are never constructed
[INFO] [stdout]   --> src/main.rs:8:2
[INFO] [stdout]    |
[INFO] [stdout]  7 | enum Activation {
[INFO] [stdout]    |      ---------- variants in this enum
[INFO] [stdout]  8 |     Sigmoid,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]  9 |     ReLU,
[INFO] [stdout] 10 |     Linear,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 11 |     Softmax,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Activation` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `learn` is never used
[INFO] [stdout]    --> src/main.rs:188:5
[INFO] [stdout]     |
[INFO] [stdout] 137 | impl Network {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 188 |     fn learn(&mut self, data: &Vec<(Vec<f64>, Vec<f64>)>, epochs: usize, alpha: f64, beta: f64, batch_size: usize, log: bool) -> Re...
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `one_hot` is never used
[INFO] [stdout]    --> src/main.rs:364:4
[INFO] [stdout]     |
[INFO] [stdout] 364 | fn one_hot(value: u8) -> Vec<f64> {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `largest` is never used
[INFO] [stdout]    --> src/main.rs:371:4
[INFO] [stdout]     |
[INFO] [stdout] 371 | fn largest(arr: Vec<f64>) -> usize {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.82s
[INFO] running `Command { std: "docker" "inspect" "ab0ccf1da37e30044af74edcea00398056cae620d5a1cb59a9c3844602ae3450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab0ccf1da37e30044af74edcea00398056cae620d5a1cb59a9c3844602ae3450", kill_on_drop: false }`
[INFO] [stdout] ab0ccf1da37e30044af74edcea00398056cae620d5a1cb59a9c3844602ae3450
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b711a4bd2b3aed7e05f01af6d8d51abe7d711d2b4c41a8bcfadcb5e11482ef3
[INFO] running `Command { std: "docker" "start" "-a" "4b711a4bd2b3aed7e05f01af6d8d51abe7d711d2b4c41a8bcfadcb5e11482ef3", kill_on_drop: false }`
[INFO] [stderr]    Compiling nn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `mnist::*`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use mnist::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `next_neuron`
[INFO] [stdout]    --> src/main.rs:287:13
[INFO] [stdout]     |
[INFO] [stdout] 287 |                 for (j, next_neuron) in next.neurons.iter().enumerate() {
[INFO] [stdout]     |                         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_neuron`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Sigmoid`, `Linear`, and `Softmax` are never constructed
[INFO] [stdout]   --> src/main.rs:8:2
[INFO] [stdout]    |
[INFO] [stdout]  7 | enum Activation {
[INFO] [stdout]    |      ---------- variants in this enum
[INFO] [stdout]  8 |     Sigmoid,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]  9 |     ReLU,
[INFO] [stdout] 10 |     Linear,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 11 |     Softmax,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Activation` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `learn` is never used
[INFO] [stdout]    --> src/main.rs:188:5
[INFO] [stdout]     |
[INFO] [stdout] 137 | impl Network {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 188 |     fn learn(&mut self, data: &Vec<(Vec<f64>, Vec<f64>)>, epochs: usize, alpha: f64, beta: f64, batch_size: usize, log: bool) -> Re...
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `one_hot` is never used
[INFO] [stdout]    --> src/main.rs:364:4
[INFO] [stdout]     |
[INFO] [stdout] 364 | fn one_hot(value: u8) -> Vec<f64> {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `largest` is never used
[INFO] [stdout]    --> src/main.rs:371:4
[INFO] [stdout]     |
[INFO] [stdout] 371 | fn largest(arr: Vec<f64>) -> usize {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "4b711a4bd2b3aed7e05f01af6d8d51abe7d711d2b4c41a8bcfadcb5e11482ef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b711a4bd2b3aed7e05f01af6d8d51abe7d711d2b4c41a8bcfadcb5e11482ef3", kill_on_drop: false }`
[INFO] [stdout] 4b711a4bd2b3aed7e05f01af6d8d51abe7d711d2b4c41a8bcfadcb5e11482ef3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b0c3801f881e7a2505d6d6a696f91686ab7dcb5dbadebe253c5fa9752c1dc3ef
[INFO] running `Command { std: "docker" "start" "-a" "b0c3801f881e7a2505d6d6a696f91686ab7dcb5dbadebe253c5fa9752c1dc3ef", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `mnist::*`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use mnist::*;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `next_neuron`
[INFO] [stderr]    --> src/main.rs:287:13
[INFO] [stderr]     |
[INFO] [stderr] 287 |                 for (j, next_neuron) in next.neurons.iter().enumerate() {
[INFO] [stderr]     |                         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_neuron`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Sigmoid`, `Linear`, and `Softmax` are never constructed
[INFO] [stderr]   --> src/main.rs:8:2
[INFO] [stderr]    |
[INFO] [stderr]  7 | enum Activation {
[INFO] [stderr]    |      ---------- variants in this enum
[INFO] [stderr]  8 |     Sigmoid,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]  9 |     ReLU,
[INFO] [stderr] 10 |     Linear,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 11 |     Softmax,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Activation` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `learn` is never used
[INFO] [stderr]    --> src/main.rs:188:5
[INFO] [stderr]     |
[INFO] [stderr] 137 | impl Network {
[INFO] [stderr]     | ------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 188 |     fn learn(&mut self, data: &Vec<(Vec<f64>, Vec<f64>)>, epochs: usize, alpha: f64, beta: f64, batch_size: usize, log: bool) -> Re...
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `one_hot` is never used
[INFO] [stderr]    --> src/main.rs:364:4
[INFO] [stderr]     |
[INFO] [stderr] 364 | fn one_hot(value: u8) -> Vec<f64> {
[INFO] [stderr]     |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `largest` is never used
[INFO] [stderr]    --> src/main.rs:371:4
[INFO] [stderr]     |
[INFO] [stderr] 371 | fn largest(arr: Vec<f64>) -> usize {
[INFO] [stderr]     |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `nn` (bin "nn" test) generated 6 warnings (run `cargo fix --bin "nn" -p nn --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/nn-31348e2b11e90611)
[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" "b0c3801f881e7a2505d6d6a696f91686ab7dcb5dbadebe253c5fa9752c1dc3ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0c3801f881e7a2505d6d6a696f91686ab7dcb5dbadebe253c5fa9752c1dc3ef", kill_on_drop: false }`
[INFO] [stdout] b0c3801f881e7a2505d6d6a696f91686ab7dcb5dbadebe253c5fa9752c1dc3ef
