[INFO] fetching crate blasphemy 0.0.2...
[INFO] checking blasphemy-0.0.2 against master#e59540968e0c6fc3c37d92a639b83fc8fcee5e81 for pr-114559
[INFO] extracting crate blasphemy 0.0.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate blasphemy 0.0.2 on toolchain e59540968e0c6fc3c37d92a639b83fc8fcee5e81
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate blasphemy 0.0.2
[INFO] finished tweaking crates.io crate blasphemy 0.0.2
[INFO] tweaked toml for crates.io crate blasphemy 0.0.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded miniz-sys v0.1.12
[INFO] [stderr]   Downloaded flate2 v0.2.20
[INFO] [stderr]   Downloaded rustml v0.0.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b02491b880bf67c95df8ad28690f9a898123d53a7417504f96fd5ca4cc35aca
[INFO] running `Command { std: "docker" "start" "-a" "2b02491b880bf67c95df8ad28690f9a898123d53a7417504f96fd5ca4cc35aca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b02491b880bf67c95df8ad28690f9a898123d53a7417504f96fd5ca4cc35aca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b02491b880bf67c95df8ad28690f9a898123d53a7417504f96fd5ca4cc35aca", kill_on_drop: false }`
[INFO] [stdout] 2b02491b880bf67c95df8ad28690f9a898123d53a7417504f96fd5ca4cc35aca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b3c7c74a83820c92e62d9300b0e27bb6c487d9c68a872f085a4a9697f2e8399
[INFO] running `Command { std: "docker" "start" "-a" "5b3c7c74a83820c92e62d9300b0e27bb6c487d9c68a872f085a4a9697f2e8399", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]    Compiling rustml v0.0.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-iter v0.1.43
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking blasphemy v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::cmp;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::cmp;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bias_err`
[INFO] [stdout]    --> src/lib.rs:187:45
[INFO] [stdout]     |
[INFO] [stdout] 187 |                 Layer::Linear{inp, z, bias, bias_err, weights, weights_err} => {
[INFO] [stdout]     |                                             ^^^^^^^^ help: try ignoring the field: `bias_err: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `weights_err`
[INFO] [stdout]    --> src/lib.rs:187:64
[INFO] [stdout]     |
[INFO] [stdout] 187 |                 Layer::Linear{inp, z, bias, bias_err, weights, weights_err} => {
[INFO] [stdout]     |                                                                ^^^^^^^^^^^ help: try ignoring the field: `weights_err: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bias_err`
[INFO] [stdout]    --> src/lib.rs:194:49
[INFO] [stdout]     |
[INFO] [stdout] 194 |                 Layer::Sigmoid{inp, z, a, bias, bias_err, weights, weights_err} =>{
[INFO] [stdout]     |                                                 ^^^^^^^^ help: try ignoring the field: `bias_err: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `weights_err`
[INFO] [stdout]    --> src/lib.rs:194:68
[INFO] [stdout]     |
[INFO] [stdout] 194 |                 Layer::Sigmoid{inp, z, a, bias, bias_err, weights, weights_err} =>{
[INFO] [stdout]     |                                                                    ^^^^^^^^^^^ help: try ignoring the field: `weights_err: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reject`
[INFO] [stdout]    --> src/lib.rs:212:32
[INFO] [stdout]     |
[INFO] [stdout] 212 |                 Layer::Dropout{reject} => {
[INFO] [stdout]     |                                ^^^^^^ help: try ignoring the field: `reject: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]    --> src/lib.rs:235:37
[INFO] [stdout]     |
[INFO] [stdout] 235 |                 Layer::Sigmoid{inp, z, a, bias,bias_err, weights, weights_err} => {
[INFO] [stdout]     |                                     ^ help: try ignoring the field: `z: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/lib.rs:235:40
[INFO] [stdout]     |
[INFO] [stdout] 235 |                 Layer::Sigmoid{inp, z, a, bias,bias_err, weights, weights_err} => {
[INFO] [stdout]     |                                        ^ help: try ignoring the field: `a: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bias`
[INFO] [stdout]    --> src/lib.rs:235:43
[INFO] [stdout]     |
[INFO] [stdout] 235 |                 Layer::Sigmoid{inp, z, a, bias,bias_err, weights, weights_err} => {
[INFO] [stdout]     |                                           ^^^^ help: try ignoring the field: `bias: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]    --> src/lib.rs:247:36
[INFO] [stdout]     |
[INFO] [stdout] 247 |                 Layer::Linear{inp, z,bias,bias_err, weights,weights_err} => {
[INFO] [stdout]     |                                    ^ help: try ignoring the field: `z: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bias`
[INFO] [stdout]    --> src/lib.rs:247:38
[INFO] [stdout]     |
[INFO] [stdout] 247 |                 Layer::Linear{inp, z,bias,bias_err, weights,weights_err} => {
[INFO] [stdout]     |                                      ^^^^ help: try ignoring the field: `bias: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reject`
[INFO] [stdout]    --> src/lib.rs:259:32
[INFO] [stdout]     |
[INFO] [stdout] 259 |                 Layer::Dropout{reject} => ()
[INFO] [stdout]     |                                ^^^^^^ help: try ignoring the field: `reject: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inp`
[INFO] [stdout]    --> src/lib.rs:270:32
[INFO] [stdout]     |
[INFO] [stdout] 270 |                 Layer::Sigmoid{inp, z, a, bias, bias_err, weights, weights_err} => {
[INFO] [stdout]     |                                ^^^ help: try ignoring the field: `inp: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]    --> src/lib.rs:270:37
[INFO] [stdout]     |
[INFO] [stdout] 270 |                 Layer::Sigmoid{inp, z, a, bias, bias_err, weights, weights_err} => {
[INFO] [stdout]     |                                     ^ help: try ignoring the field: `z: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/lib.rs:270:40
[INFO] [stdout]     |
[INFO] [stdout] 270 |                 Layer::Sigmoid{inp, z, a, bias, bias_err, weights, weights_err} => {
[INFO] [stdout]     |                                        ^ help: try ignoring the field: `a: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inp`
[INFO] [stdout]    --> src/lib.rs:286:31
[INFO] [stdout]     |
[INFO] [stdout] 286 |                 Layer::Linear{inp, z, bias, bias_err, weights,weights_err} => {
[INFO] [stdout]     |                               ^^^ help: try ignoring the field: `inp: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]    --> src/lib.rs:286:36
[INFO] [stdout]     |
[INFO] [stdout] 286 |                 Layer::Linear{inp, z, bias, bias_err, weights,weights_err} => {
[INFO] [stdout]     |                                    ^ help: try ignoring the field: `z: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reject`
[INFO] [stdout]    --> src/lib.rs:303:32
[INFO] [stdout]     |
[INFO] [stdout] 303 |                 Layer::Dropout{reject} => ()
[INFO] [stdout]     |                                ^^^^^^ help: try ignoring the field: `reject: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Linear` is never constructed
[INFO] [stdout]   --> src/lib.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct Linear {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Residual` is never constructed
[INFO] [stdout]   --> src/lib.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct Residual {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Sigmoid` is never constructed
[INFO] [stdout]   --> src/lib.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | struct Sigmoid {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Softmax` is never constructed
[INFO] [stdout]   --> src/lib.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | struct Softmax{
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dropout` is never constructed
[INFO] [stdout]   --> src/lib.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | struct Dropout{
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bias_err`
[INFO] [stdout]    --> src/lib.rs:187:45
[INFO] [stdout]     |
[INFO] [stdout] 187 |                 Layer::Linear{inp, z, bias, bias_err, weights, weights_err} => {
[INFO] [stdout]     |                                             ^^^^^^^^ help: try ignoring the field: `bias_err: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `weights_err`
[INFO] [stdout]    --> src/lib.rs:187:64
[INFO] [stdout]     |
[INFO] [stdout] 187 |                 Layer::Linear{inp, z, bias, bias_err, weights, weights_err} => {
[INFO] [stdout]     |                                                                ^^^^^^^^^^^ help: try ignoring the field: `weights_err: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bias_err`
[INFO] [stdout]    --> src/lib.rs:194:49
[INFO] [stdout]     |
[INFO] [stdout] 194 |                 Layer::Sigmoid{inp, z, a, bias, bias_err, weights, weights_err} =>{
[INFO] [stdout]     |                                                 ^^^^^^^^ help: try ignoring the field: `bias_err: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `weights_err`
[INFO] [stdout]    --> src/lib.rs:194:68
[INFO] [stdout]     |
[INFO] [stdout] 194 |                 Layer::Sigmoid{inp, z, a, bias, bias_err, weights, weights_err} =>{
[INFO] [stdout]     |                                                                    ^^^^^^^^^^^ help: try ignoring the field: `weights_err: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reject`
[INFO] [stdout]    --> src/lib.rs:212:32
[INFO] [stdout]     |
[INFO] [stdout] 212 |                 Layer::Dropout{reject} => {
[INFO] [stdout]     |                                ^^^^^^ help: try ignoring the field: `reject: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]    --> src/lib.rs:235:37
[INFO] [stdout]     |
[INFO] [stdout] 235 |                 Layer::Sigmoid{inp, z, a, bias,bias_err, weights, weights_err} => {
[INFO] [stdout]     |                                     ^ help: try ignoring the field: `z: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/lib.rs:235:40
[INFO] [stdout]     |
[INFO] [stdout] 235 |                 Layer::Sigmoid{inp, z, a, bias,bias_err, weights, weights_err} => {
[INFO] [stdout]     |                                        ^ help: try ignoring the field: `a: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bias`
[INFO] [stdout]    --> src/lib.rs:235:43
[INFO] [stdout]     |
[INFO] [stdout] 235 |                 Layer::Sigmoid{inp, z, a, bias,bias_err, weights, weights_err} => {
[INFO] [stdout]     |                                           ^^^^ help: try ignoring the field: `bias: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]    --> src/lib.rs:247:36
[INFO] [stdout]     |
[INFO] [stdout] 247 |                 Layer::Linear{inp, z,bias,bias_err, weights,weights_err} => {
[INFO] [stdout]     |                                    ^ help: try ignoring the field: `z: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bias`
[INFO] [stdout]    --> src/lib.rs:247:38
[INFO] [stdout]     |
[INFO] [stdout] 247 |                 Layer::Linear{inp, z,bias,bias_err, weights,weights_err} => {
[INFO] [stdout]     |                                      ^^^^ help: try ignoring the field: `bias: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reject`
[INFO] [stdout]    --> src/lib.rs:259:32
[INFO] [stdout]     |
[INFO] [stdout] 259 |                 Layer::Dropout{reject} => ()
[INFO] [stdout]     |                                ^^^^^^ help: try ignoring the field: `reject: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inp`
[INFO] [stdout]    --> src/lib.rs:270:32
[INFO] [stdout]     |
[INFO] [stdout] 270 |                 Layer::Sigmoid{inp, z, a, bias, bias_err, weights, weights_err} => {
[INFO] [stdout]     |                                ^^^ help: try ignoring the field: `inp: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]    --> src/lib.rs:270:37
[INFO] [stdout]     |
[INFO] [stdout] 270 |                 Layer::Sigmoid{inp, z, a, bias, bias_err, weights, weights_err} => {
[INFO] [stdout]     |                                     ^ help: try ignoring the field: `z: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/lib.rs:270:40
[INFO] [stdout]     |
[INFO] [stdout] 270 |                 Layer::Sigmoid{inp, z, a, bias, bias_err, weights, weights_err} => {
[INFO] [stdout]     |                                        ^ help: try ignoring the field: `a: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inp`
[INFO] [stdout]    --> src/lib.rs:286:31
[INFO] [stdout]     |
[INFO] [stdout] 286 |                 Layer::Linear{inp, z, bias, bias_err, weights,weights_err} => {
[INFO] [stdout]     |                               ^^^ help: try ignoring the field: `inp: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]    --> src/lib.rs:286:36
[INFO] [stdout]     |
[INFO] [stdout] 286 |                 Layer::Linear{inp, z, bias, bias_err, weights,weights_err} => {
[INFO] [stdout]     |                                    ^ help: try ignoring the field: `z: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reject`
[INFO] [stdout]    --> src/lib.rs:303:32
[INFO] [stdout]     |
[INFO] [stdout] 303 |                 Layer::Dropout{reject} => ()
[INFO] [stdout]     |                                ^^^^^^ help: try ignoring the field: `reject: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `err` is never read
[INFO] [stdout]    --> src/lib.rs:331:9
[INFO] [stdout]     |
[INFO] [stdout] 331 |         err = nn.backprop(&input, &output);
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Linear` is never constructed
[INFO] [stdout]   --> src/lib.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct Linear {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Residual` is never constructed
[INFO] [stdout]   --> src/lib.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct Residual {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Sigmoid` is never constructed
[INFO] [stdout]   --> src/lib.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | struct Sigmoid {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Softmax` is never constructed
[INFO] [stdout]   --> src/lib.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | struct Softmax{
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dropout` is never constructed
[INFO] [stdout]   --> src/lib.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | struct Dropout{
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.07s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "5b3c7c74a83820c92e62d9300b0e27bb6c487d9c68a872f085a4a9697f2e8399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b3c7c74a83820c92e62d9300b0e27bb6c487d9c68a872f085a4a9697f2e8399", kill_on_drop: false }`
[INFO] [stdout] 5b3c7c74a83820c92e62d9300b0e27bb6c487d9c68a872f085a4a9697f2e8399
