[INFO] cloning repository https://github.com/fetttttjoe/Neuronal-Network
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fetttttjoe/Neuronal-Network" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffetttttjoe%2FNeuronal-Network", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffetttttjoe%2FNeuronal-Network'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c7f0b9dc138e0eb25c061b5305929c4aabc0a124
[INFO] checking fetttttjoe/Neuronal-Network against master#46424fb5054f211ec836c5c03159f92e46bb35ac for pr-139042
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffetttttjoe%2FNeuronal-Network" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fetttttjoe/Neuronal-Network on toolchain 46424fb5054f211ec836c5c03159f92e46bb35ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fetttttjoe/Neuronal-Network
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/fetttttjoe/Neuronal-Network
[INFO] tweaked toml for git repo https://github.com/fetttttjoe/Neuronal-Network written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/fetttttjoe/Neuronal-Network 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" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: lib.namer
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cfabb55b0a170bd0233c9092e1d3ab9d4f9ed7c1f23cdf641697256d888a45cf
[INFO] running `Command { std: "docker" "start" "-a" "cfabb55b0a170bd0233c9092e1d3ab9d4f9ed7c1f23cdf641697256d888a45cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfabb55b0a170bd0233c9092e1d3ab9d4f9ed7c1f23cdf641697256d888a45cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfabb55b0a170bd0233c9092e1d3ab9d4f9ed7c1f23cdf641697256d888a45cf", kill_on_drop: false }`
[INFO] [stdout] cfabb55b0a170bd0233c9092e1d3ab9d4f9ed7c1f23cdf641697256d888a45cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9d27287f71136b6ba6b4390e8bd8fa0b4b419bc015118d005975e7c5cbdcf9c
[INFO] running `Command { std: "docker" "start" "-a" "d9d27287f71136b6ba6b4390e8bd8fa0b4b419bc015118d005975e7c5cbdcf9c", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: lib.namer
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking nn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `drop` is never used
[INFO] [stdout]    --> src/matrix.rs:167:8
[INFO] [stdout]     |
[INFO] [stdout] 20  |   impl Mat {
[INFO] [stdout]     |   -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 167 |     fn drop(&mut self) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:42:3
[INFO] [stdout]    |
[INFO] [stdout] 41 |   return;
[INFO] [stdout]    |   ------ any code following this expression is unreachable
[INFO] [stdout] 42 |   let mat1 = Mat::new(2, 2);
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `training_outputs`
[INFO] [stdout]   --> src/main.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 |   let training_outputs = Mat {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_training_outputs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mat`
[INFO] [stdout]   --> src/main.rs:44:7
[INFO] [stdout]    |
[INFO] [stdout] 44 |   let mat = addition(&mat1, &mat2);
[INFO] [stdout]    |       ^^^ help: if this is intentional, prefix it with an underscore: `_mat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 |   let mut network = Network::new(&[2, 2, 1]);
[INFO] [stdout]    |       ----^^^^^^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 |   let mut network_activations = network_activations_vec.as_mut_slice();
[INFO] [stdout]    |       ----^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_weights`, `get_bias`, `forward`, `rand`, and `drop` are never used
[INFO] [stdout]    --> src/network.rs:53:12
[INFO] [stdout]     |
[INFO] [stdout] 15  |   impl Network {
[INFO] [stdout]     |   ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 53  |     pub fn get_weights(&self) -> Vec<Mat> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59  |     pub fn get_bias(&self) -> Vec<Mat> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70  |     pub fn forward(&mut self) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     pub fn rand(&mut self, low: f64, high: f64) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |     fn drop(&mut self) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `drop` is never used
[INFO] [stdout]    --> src/matrix.rs:167:8
[INFO] [stdout]     |
[INFO] [stdout] 20  |   impl Mat {
[INFO] [stdout]     |   -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 167 |     fn drop(&mut self) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:42:3
[INFO] [stdout]    |
[INFO] [stdout] 41 |   return;
[INFO] [stdout]    |   ------ any code following this expression is unreachable
[INFO] [stdout] 42 |   let mat1 = Mat::new(2, 2);
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `training_outputs`
[INFO] [stdout]   --> src/main.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 |   let training_outputs = Mat {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_training_outputs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mat`
[INFO] [stdout]   --> src/main.rs:44:7
[INFO] [stdout]    |
[INFO] [stdout] 44 |   let mat = addition(&mat1, &mat2);
[INFO] [stdout]    |       ^^^ help: if this is intentional, prefix it with an underscore: `_mat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 |   let mut network = Network::new(&[2, 2, 1]);
[INFO] [stdout]    |       ----^^^^^^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 |   let mut network_activations = network_activations_vec.as_mut_slice();
[INFO] [stdout]    |       ----^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_weights`, `get_bias`, `forward`, `rand`, and `drop` are never used
[INFO] [stdout]    --> src/network.rs:53:12
[INFO] [stdout]     |
[INFO] [stdout] 15  |   impl Network {
[INFO] [stdout]     |   ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 53  |     pub fn get_weights(&self) -> Vec<Mat> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59  |     pub fn get_bias(&self) -> Vec<Mat> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70  |     pub fn forward(&mut self) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     pub fn rand(&mut self, low: f64, high: f64) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |     fn drop(&mut self) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `forward`, `print`, `rand`, and `drop` are never used
[INFO] [stdout]    --> src/tests/../network.rs:70:12
[INFO] [stdout]     |
[INFO] [stdout] 15  |   impl Network {
[INFO] [stdout]     |   ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 70  |     pub fn forward(&mut self) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 82  |     pub fn print(&self, overwrite_padding: Option<usize>, overwrite_precision: Option<usize>) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     pub fn rand(&mut self, low: f64, high: f64) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |     fn drop(&mut self) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/tests/network_tests.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     drop(&network);
[INFO] [stdout]    |     ^^^^^--------^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          argument has type `&Network`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 13 -     drop(&network);
[INFO] [stdout] 13 +     let _ = &network;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.04s
[INFO] running `Command { std: "docker" "inspect" "d9d27287f71136b6ba6b4390e8bd8fa0b4b419bc015118d005975e7c5cbdcf9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9d27287f71136b6ba6b4390e8bd8fa0b4b419bc015118d005975e7c5cbdcf9c", kill_on_drop: false }`
[INFO] [stdout] d9d27287f71136b6ba6b4390e8bd8fa0b4b419bc015118d005975e7c5cbdcf9c
