[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#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffetttttjoe%2FNeuronal-Network" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fetttttjoe/Neuronal-Network on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "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-2-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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: lib.namer
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking fetttttjoe/Neuronal-Network against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffetttttjoe%2FNeuronal-Network" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fetttttjoe/Neuronal-Network on toolchain b4fc5dbf0bc33be331f9d893db5b3a794f29724a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "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-2-tc2/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" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: lib.namer
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking fetttttjoe/Neuronal-Network against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffetttttjoe%2FNeuronal-Network" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fetttttjoe/Neuronal-Network on toolchain b4fc5dbf0bc33be331f9d893db5b3a794f29724a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "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-2-tc2/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" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: lib.namer
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 720de04ecf0f860af0814d01d1c774606ede993a6b1626a54c5a06805a97e838
[INFO] running `Command { std: "docker" "start" "-a" "720de04ecf0f860af0814d01d1c774606ede993a6b1626a54c5a06805a97e838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "720de04ecf0f860af0814d01d1c774606ede993a6b1626a54c5a06805a97e838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "720de04ecf0f860af0814d01d1c774606ede993a6b1626a54c5a06805a97e838", kill_on_drop: false }`
[INFO] [stdout] 720de04ecf0f860af0814d01d1c774606ede993a6b1626a54c5a06805a97e838
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5723f3460d20af899241f4d9d28c52c829452b0204608a1509a606b5e05544c
[INFO] running `Command { std: "docker" "start" "-a" "c5723f3460d20af899241f4d9d28c52c829452b0204608a1509a606b5e05544c", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: lib.namer
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling libc v0.2.147
[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 ppv-lite86 v0.2.17
[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: usage of `Range` range syntax
[INFO] [stdout]   --> src/matrix.rs:40:23
[INFO] [stdout]    |
[INFO] [stdout] 40 |       for i in range!(0, (self.rows)) {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/matrix.rs:41:25
[INFO] [stdout]    |
[INFO] [stdout] 41 |         for j in range!(0, (self.cols)) {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/matrix.rs:78:25
[INFO] [stdout]    |
[INFO] [stdout] 78 |         for i in range!(0, self.rows) {
[INFO] [stdout]    |                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/matrix.rs:80:27
[INFO] [stdout]    |
[INFO] [stdout] 80 |           for j in range!(0, self.cols) {
[INFO] [stdout]    |                           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/matrix.rs:98:23
[INFO] [stdout]    |
[INFO] [stdout] 98 |       for i in range!(0, self.rows) {
[INFO] [stdout]    |                       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/matrix.rs:99:25
[INFO] [stdout]    |
[INFO] [stdout] 99 |         for j in range!(0, self.cols) {
[INFO] [stdout]    |                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeInclusive` range syntax
[INFO] [stdout]    --> src/matrix.rs:100:44
[INFO] [stdout]     |
[INFO] [stdout] 100 |           let random_value = rng.gen_range(low..=high);
[INFO] [stdout]     |                                            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/matrix.rs:188:14
[INFO] [stdout]     |
[INFO] [stdout] 188 |     for i in 0..mat1.rows {
[INFO] [stdout]     |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/matrix.rs:189:16
[INFO] [stdout]     |
[INFO] [stdout] 189 |       for j in 0..mat1.cols {
[INFO] [stdout]     |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/matrix.rs:214:14
[INFO] [stdout]     |
[INFO] [stdout] 214 |     for i in 0..rows {
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/matrix.rs:215:16
[INFO] [stdout]     |
[INFO] [stdout] 215 |       for j in 0..cols {
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/matrix.rs:234:14
[INFO] [stdout]     |
[INFO] [stdout] 234 |     for i in 0..mat1.rows {
[INFO] [stdout]     |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/matrix.rs:235:16
[INFO] [stdout]     |
[INFO] [stdout] 235 |       for j in 0..mat2.cols {
[INFO] [stdout]     |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/matrix.rs:237:18
[INFO] [stdout]     |
[INFO] [stdout] 237 |         for k in 0..mat1.cols {
[INFO] [stdout]     |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/matrix.rs:268:21
[INFO] [stdout]     |
[INFO] [stdout] 268 |     for i in range!(0, m_src.rows) {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/matrix.rs:269:23
[INFO] [stdout]     |
[INFO] [stdout] 269 |       for j in range!(0, m_src.cols) {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/matrix.rs:40:23
[INFO] [stdout]    |
[INFO] [stdout] 40 |       for i in range!(0, (self.rows)) {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/matrix.rs:41:25
[INFO] [stdout]    |
[INFO] [stdout] 41 |         for j in range!(0, (self.cols)) {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/matrix.rs:78:25
[INFO] [stdout]    |
[INFO] [stdout] 78 |         for i in range!(0, self.rows) {
[INFO] [stdout]    |                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/matrix.rs:80:27
[INFO] [stdout]    |
[INFO] [stdout] 80 |           for j in range!(0, self.cols) {
[INFO] [stdout]    |                           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/matrix.rs:98:23
[INFO] [stdout]    |
[INFO] [stdout] 98 |       for i in range!(0, self.rows) {
[INFO] [stdout]    |                       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/matrix.rs:99:25
[INFO] [stdout]    |
[INFO] [stdout] 99 |         for j in range!(0, self.cols) {
[INFO] [stdout]    |                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeInclusive` range syntax
[INFO] [stdout]    --> src/matrix.rs:100:44
[INFO] [stdout]     |
[INFO] [stdout] 100 |           let random_value = rng.gen_range(low..=high);
[INFO] [stdout]     |                                            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/matrix.rs:188:14
[INFO] [stdout]     |
[INFO] [stdout] 188 |     for i in 0..mat1.rows {
[INFO] [stdout]     |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/matrix.rs:189:16
[INFO] [stdout]     |
[INFO] [stdout] 189 |       for j in 0..mat1.cols {
[INFO] [stdout]     |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/matrix.rs:214:14
[INFO] [stdout]     |
[INFO] [stdout] 214 |     for i in 0..rows {
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/matrix.rs:215:16
[INFO] [stdout]     |
[INFO] [stdout] 215 |       for j in 0..cols {
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/matrix.rs:234:14
[INFO] [stdout]     |
[INFO] [stdout] 234 |     for i in 0..mat1.rows {
[INFO] [stdout]     |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/matrix.rs:235:16
[INFO] [stdout]     |
[INFO] [stdout] 235 |       for j in 0..mat2.cols {
[INFO] [stdout]     |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/matrix.rs:237:18
[INFO] [stdout]     |
[INFO] [stdout] 237 |         for k in 0..mat1.cols {
[INFO] [stdout]     |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/matrix.rs:268:21
[INFO] [stdout]     |
[INFO] [stdout] 268 |     for i in range!(0, m_src.rows) {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/matrix.rs:269:23
[INFO] [stdout]     |
[INFO] [stdout] 269 |       for j in range!(0, m_src.cols) {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^
[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: 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: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/network.rs:31:16
[INFO] [stdout]    |
[INFO] [stdout] 31 |       for i in 0..nn.count {
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/network.rs:71:16
[INFO] [stdout]    |
[INFO] [stdout] 71 |       for i in 0..self.count {
[INFO] [stdout]    |                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/network.rs:88:16
[INFO] [stdout]    |
[INFO] [stdout] 88 |       for i in 0..self.count {
[INFO] [stdout]    |                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/network.rs:106:16
[INFO] [stdout]     |
[INFO] [stdout] 106 |       for i in 0..self.count {
[INFO] [stdout]     |                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/network.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |       for i in (0..self.count).rev() {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^
[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: usage of `Range` range syntax
[INFO] [stdout]   --> src/tests/../network.rs:31:16
[INFO] [stdout]    |
[INFO] [stdout] 31 |       for i in 0..nn.count {
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/tests/../network.rs:71:16
[INFO] [stdout]    |
[INFO] [stdout] 71 |       for i in 0..self.count {
[INFO] [stdout]    |                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/tests/../network.rs:88:16
[INFO] [stdout]    |
[INFO] [stdout] 88 |       for i in 0..self.count {
[INFO] [stdout]    |                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/tests/../network.rs:106:16
[INFO] [stdout]     |
[INFO] [stdout] 106 |       for i in 0..self.count {
[INFO] [stdout]     |                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/tests/../network.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |       for i in (0..self.count).rev() {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/tests/network_tests.rs:55:14
[INFO] [stdout]    |
[INFO] [stdout] 55 |     for i in 0..network.count {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^
[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: 12 warnings emitted
[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: usage of `Range` range syntax
[INFO] [stdout]    --> src/tests/matrix_tests.rs:120:14
[INFO] [stdout]     |
[INFO] [stdout] 120 |     for i in 0..to_usize!(result.rows) {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/tests/matrix_tests.rs:121:16
[INFO] [stdout]     |
[INFO] [stdout] 121 |       for j in 0..to_usize!(result.cols) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/tests/matrix_tests.rs:146:14
[INFO] [stdout]     |
[INFO] [stdout] 146 |     for i in 0..to_usize!(result.rows) {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/tests/matrix_tests.rs:147:16
[INFO] [stdout]     |
[INFO] [stdout] 147 |       for j in 0..to_usize!(result.cols) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/tests/matrix_tests.rs:175:14
[INFO] [stdout]     |
[INFO] [stdout] 175 |     for i in 0..result.rows {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/tests/matrix_tests.rs:176:16
[INFO] [stdout]     |
[INFO] [stdout] 176 |       for j in 0..result.cols {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/tests/matrix_tests.rs:212:14
[INFO] [stdout]     |
[INFO] [stdout] 212 |     for i in 0..rows {
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/tests/matrix_tests.rs:213:16
[INFO] [stdout]     |
[INFO] [stdout] 213 |       for j in 0..cols {
[INFO] [stdout]     |                ^^^^^^^
[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: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/network.rs:31:16
[INFO] [stdout]    |
[INFO] [stdout] 31 |       for i in 0..nn.count {
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/network.rs:71:16
[INFO] [stdout]    |
[INFO] [stdout] 71 |       for i in 0..self.count {
[INFO] [stdout]    |                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/network.rs:88:16
[INFO] [stdout]    |
[INFO] [stdout] 88 |       for i in 0..self.count {
[INFO] [stdout]    |                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/network.rs:106:16
[INFO] [stdout]     |
[INFO] [stdout] 106 |       for i in 0..self.count {
[INFO] [stdout]     |                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/network.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |       for i in (0..self.count).rev() {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^
[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: 8 warnings emitted
[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: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.91s
[INFO] running `Command { std: "docker" "inspect" "c5723f3460d20af899241f4d9d28c52c829452b0204608a1509a606b5e05544c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5723f3460d20af899241f4d9d28c52c829452b0204608a1509a606b5e05544c", kill_on_drop: false }`
[INFO] [stdout] c5723f3460d20af899241f4d9d28c52c829452b0204608a1509a606b5e05544c