[INFO] cloning repository https://github.com/aditya2912/Random-Local-Search-In-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aditya2912/Random-Local-Search-In-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faditya2912%2FRandom-Local-Search-In-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faditya2912%2FRandom-Local-Search-In-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f42f71ebd8888cdc541f05265c9bcbe461397c19
[INFO] testing aditya2912/Random-Local-Search-In-Rust against 1.75.0 for beta-1.76-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faditya2912%2FRandom-Local-Search-In-Rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aditya2912/Random-Local-Search-In-Rust on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aditya2912/Random-Local-Search-In-Rust
[INFO] finished tweaking git repo https://github.com/aditya2912/Random-Local-Search-In-Rust
[INFO] tweaked toml for git repo https://github.com/aditya2912/Random-Local-Search-In-Rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/aditya2912/Random-Local-Search-In-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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7039a656080c3ce48dabb51dba0c1bc4b0e717d5fabd68e6625b01568acdef7d
[INFO] running `Command { std: "docker" "start" "-a" "7039a656080c3ce48dabb51dba0c1bc4b0e717d5fabd68e6625b01568acdef7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7039a656080c3ce48dabb51dba0c1bc4b0e717d5fabd68e6625b01568acdef7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7039a656080c3ce48dabb51dba0c1bc4b0e717d5fabd68e6625b01568acdef7d", kill_on_drop: false }`
[INFO] [stdout] 7039a656080c3ce48dabb51dba0c1bc4b0e717d5fabd68e6625b01568acdef7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1676f815738427fdd0c580ff5dbf658a8a0b2d88b389bb573abfae04224495d2
[INFO] running `Command { std: "docker" "start" "-a" "1676f815738427fdd0c580ff5dbf658a8a0b2d88b389bb573abfae04224495d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling rust_dummy_project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::f64::consts::E`
[INFO] [stdout]  --> src/neuron.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::f64::consts::E;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `sigmoid` is never read
[INFO] [stdout]   --> src/neuron.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let mut sigmoid: f64 = 0f64;
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/neuron.rs:106:13
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let mut sig: f64 = sigmoid(self.u0.value);
[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/neuron.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let mut sig: f64 = sigmoid(self.u0.value);
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `empty` and `new` are never used
[INFO] [stdout]   --> src/neuron.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Unit {
[INFO] [stdout]    | --------- associated functions in this implementation
[INFO] [stdout] 12 |     pub fn empty() -> Unit {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn new(value: f64, gradient: f64) -> Unit {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MultiplyGate` is never constructed
[INFO] [stdout]   --> src/neuron.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct MultiplyGate {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `empty`, `forward`, and `backwards` are never used
[INFO] [stdout]   --> src/neuron.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl MultiplyGate {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] 28 |     pub fn empty() -> MultiplyGate {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn forward(mut self, u0: Unit, u1: Unit) -> MultiplyGate {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn backwards(mut self) -> MultiplyGate {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AddGate` is never constructed
[INFO] [stdout]   --> src/neuron.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct AddGate {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `empty`, `forward`, and `backward` are never used
[INFO] [stdout]   --> src/neuron.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | impl AddGate {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 57 |     pub fn empty() -> AddGate {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     pub fn forward(mut self, u0: Unit, u1: Unit) -> AddGate {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub fn backward(mut self) -> AddGate {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SigmoidGate` is never constructed
[INFO] [stdout]   --> src/neuron.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub struct SigmoidGate {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sigmoid` is never used
[INFO] [stdout]   --> src/neuron.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub fn sigmoid(x: f64 ) -> f64 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `empty`, `forward`, and `backward` are never used
[INFO] [stdout]    --> src/neuron.rs:96:12
[INFO] [stdout]     |
[INFO] [stdout] 95  | impl SigmoidGate {
[INFO] [stdout]     | ---------------- associated items in this implementation
[INFO] [stdout] 96  |     pub fn empty() -> SigmoidGate {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |     pub fn forward(mut self, u0 : Unit) -> SigmoidGate {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     pub fn backward(mut self) -> SigmoidGate {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `neuronMod` should have a snake case name
[INFO] [stdout]  --> src/neuron.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | mod neuronMod {
[INFO] [stdout]   |     ^^^^^^^^^ help: convert the identifier to snake case: `neuron_mod`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.47s
[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 1`
[INFO] running `Command { std: "docker" "inspect" "1676f815738427fdd0c580ff5dbf658a8a0b2d88b389bb573abfae04224495d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1676f815738427fdd0c580ff5dbf658a8a0b2d88b389bb573abfae04224495d2", kill_on_drop: false }`
[INFO] [stdout] 1676f815738427fdd0c580ff5dbf658a8a0b2d88b389bb573abfae04224495d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 566435e888409a4b6ea8ac8fa0ec14d292b9ed31e9457c1f4aa7c0cb028d2989
[INFO] running `Command { std: "docker" "start" "-a" "566435e888409a4b6ea8ac8fa0ec14d292b9ed31e9457c1f4aa7c0cb028d2989", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_dummy_project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::f64::consts::E`
[INFO] [stdout]  --> src/neuron.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::f64::consts::E;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `sigmoid` is never read
[INFO] [stdout]   --> src/neuron.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let mut sigmoid: f64 = 0f64;
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/neuron.rs:106:13
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let mut sig: f64 = sigmoid(self.u0.value);
[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/neuron.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let mut sig: f64 = sigmoid(self.u0.value);
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/neuron.rs:126:14
[INFO] [stdout]     |
[INFO] [stdout] 126 |          let mut a: neuronMod::Unit = neuronMod::Unit::new(1.0, 2.0);
[INFO] [stdout]     |              ----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/neuron.rs:127:14
[INFO] [stdout]     |
[INFO] [stdout] 127 |          let mut b: neuronMod::Unit = neuronMod::Unit::new(2.0, 0.0);
[INFO] [stdout]     |              ----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/neuron.rs:128:14
[INFO] [stdout]     |
[INFO] [stdout] 128 |          let mut c: neuronMod::Unit = neuronMod::Unit::new(-3.0, 0.0);
[INFO] [stdout]     |              ----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/neuron.rs:129:14
[INFO] [stdout]     |
[INFO] [stdout] 129 |          let mut x: neuronMod::Unit = neuronMod::Unit::new(-1.0, 0.0);
[INFO] [stdout]     |              ----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/neuron.rs:130:14
[INFO] [stdout]     |
[INFO] [stdout] 130 |          let mut y: neuronMod::Unit = neuronMod::Unit::new(3.0, 0.0);
[INFO] [stdout]     |              ----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/neuron.rs:132:14
[INFO] [stdout]     |
[INFO] [stdout] 132 |          let mut mulg0: neuronMod::MultiplyGate = neuronMod::MultiplyGate::empty();
[INFO] [stdout]     |              ----^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/neuron.rs:133:14
[INFO] [stdout]     |
[INFO] [stdout] 133 |          let mut mulg1: neuronMod::MultiplyGate = neuronMod::MultiplyGate::empty();
[INFO] [stdout]     |              ----^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/neuron.rs:134:14
[INFO] [stdout]     |
[INFO] [stdout] 134 |          let mut addg0: neuronMod::AddGate = neuronMod::AddGate::empty();
[INFO] [stdout]     |              ----^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/neuron.rs:135:14
[INFO] [stdout]     |
[INFO] [stdout] 135 |          let mut addg1: neuronMod::AddGate = neuronMod::AddGate::empty();
[INFO] [stdout]     |              ----^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/neuron.rs:136:14
[INFO] [stdout]     |
[INFO] [stdout] 136 |          let mut sg0: neuronMod::SigmoidGate = neuronMod::SigmoidGate::empty();
[INFO] [stdout]     |              ----^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/neuron.rs:138:14
[INFO] [stdout]     |
[INFO] [stdout] 138 |          let mut ax: neuronMod::MultiplyGate = mulg0.forward(a, x);
[INFO] [stdout]     |              ----^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/neuron.rs:139:14
[INFO] [stdout]     |
[INFO] [stdout] 139 |          let mut by: neuronMod::MultiplyGate = mulg1.forward(b, y);
[INFO] [stdout]     |              ----^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/neuron.rs:140:14
[INFO] [stdout]     |
[INFO] [stdout] 140 |          let mut axpby: neuronMod::AddGate = addg0.forward(ax.utop, by.utop);
[INFO] [stdout]     |              ----^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/neuron.rs:141:14
[INFO] [stdout]     |
[INFO] [stdout] 141 |          let mut axpbypc: neuronMod::AddGate = addg1.forward(axpby.utop, c);
[INFO] [stdout]     |              ----^^^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/neuron.rs:142:14
[INFO] [stdout]     |
[INFO] [stdout] 142 |          let mut s: neuronMod::SigmoidGate = sg0.forward(axpbypc.utop);
[INFO] [stdout]     |              ----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `backwards` is never used
[INFO] [stdout]   --> src/neuron.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl MultiplyGate {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn backwards(mut self) -> MultiplyGate {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `backward` is never used
[INFO] [stdout]   --> src/neuron.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | impl AddGate {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub fn backward(mut self) -> AddGate {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `backward` is never used
[INFO] [stdout]    --> src/neuron.rs:113:12
[INFO] [stdout]     |
[INFO] [stdout] 95  | impl SigmoidGate {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 113 |     pub fn backward(mut self) -> SigmoidGate {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `neuronMod` should have a snake case name
[INFO] [stdout]  --> src/neuron.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | mod neuronMod {
[INFO] [stdout]   |     ^^^^^^^^^ help: convert the identifier to snake case: `neuron_mod`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[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 1`
[INFO] running `Command { std: "docker" "inspect" "566435e888409a4b6ea8ac8fa0ec14d292b9ed31e9457c1f4aa7c0cb028d2989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "566435e888409a4b6ea8ac8fa0ec14d292b9ed31e9457c1f4aa7c0cb028d2989", kill_on_drop: false }`
[INFO] [stdout] 566435e888409a4b6ea8ac8fa0ec14d292b9ed31e9457c1f4aa7c0cb028d2989
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4b86738aebac7939548fb50839b9f04479d960b9c7ca5352ee8ec35312d9a252
[INFO] running `Command { std: "docker" "start" "-a" "4b86738aebac7939548fb50839b9f04479d960b9c7ca5352ee8ec35312d9a252", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::f64::consts::E`
[INFO] [stderr]  --> src/neuron.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::f64::consts::E;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `sigmoid` is never read
[INFO] [stderr]   --> src/neuron.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 |     let mut sigmoid: f64 = 0f64;
[INFO] [stderr]    |             ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/neuron.rs:106:13
[INFO] [stderr]     |
[INFO] [stderr] 106 |         let mut sig: f64 = sigmoid(self.u0.value);
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/neuron.rs:114:13
[INFO] [stderr]     |
[INFO] [stderr] 114 |         let mut sig: f64 = sigmoid(self.u0.value);
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/neuron.rs:126:14
[INFO] [stderr]     |
[INFO] [stderr] 126 |          let mut a: neuronMod::Unit = neuronMod::Unit::new(1.0, 2.0);
[INFO] [stderr]     |              ----^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/neuron.rs:127:14
[INFO] [stderr]     |
[INFO] [stderr] 127 |          let mut b: neuronMod::Unit = neuronMod::Unit::new(2.0, 0.0);
[INFO] [stderr]     |              ----^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/neuron.rs:128:14
[INFO] [stderr]     |
[INFO] [stderr] 128 |          let mut c: neuronMod::Unit = neuronMod::Unit::new(-3.0, 0.0);
[INFO] [stderr]     |              ----^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/neuron.rs:129:14
[INFO] [stderr]     |
[INFO] [stderr] 129 |          let mut x: neuronMod::Unit = neuronMod::Unit::new(-1.0, 0.0);
[INFO] [stderr]     |              ----^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/neuron.rs:130:14
[INFO] [stderr]     |
[INFO] [stderr] 130 |          let mut y: neuronMod::Unit = neuronMod::Unit::new(3.0, 0.0);
[INFO] [stderr]     |              ----^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/neuron.rs:132:14
[INFO] [stderr]     |
[INFO] [stderr] 132 |          let mut mulg0: neuronMod::MultiplyGate = neuronMod::MultiplyGate::empty();
[INFO] [stderr]     |              ----^^^^^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/neuron.rs:133:14
[INFO] [stderr]     |
[INFO] [stderr] 133 |          let mut mulg1: neuronMod::MultiplyGate = neuronMod::MultiplyGate::empty();
[INFO] [stderr]     |              ----^^^^^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/neuron.rs:134:14
[INFO] [stderr]     |
[INFO] [stderr] 134 |          let mut addg0: neuronMod::AddGate = neuronMod::AddGate::empty();
[INFO] [stderr]     |              ----^^^^^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/neuron.rs:135:14
[INFO] [stderr]     |
[INFO] [stderr] 135 |          let mut addg1: neuronMod::AddGate = neuronMod::AddGate::empty();
[INFO] [stderr]     |              ----^^^^^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/neuron.rs:136:14
[INFO] [stderr]     |
[INFO] [stderr] 136 |          let mut sg0: neuronMod::SigmoidGate = neuronMod::SigmoidGate::empty();
[INFO] [stderr]     |              ----^^^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/neuron.rs:138:14
[INFO] [stderr]     |
[INFO] [stderr] 138 |          let mut ax: neuronMod::MultiplyGate = mulg0.forward(a, x);
[INFO] [stderr]     |              ----^^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/neuron.rs:139:14
[INFO] [stderr]     |
[INFO] [stderr] 139 |          let mut by: neuronMod::MultiplyGate = mulg1.forward(b, y);
[INFO] [stderr]     |              ----^^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/neuron.rs:140:14
[INFO] [stderr]     |
[INFO] [stderr] 140 |          let mut axpby: neuronMod::AddGate = addg0.forward(ax.utop, by.utop);
[INFO] [stderr]     |              ----^^^^^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/neuron.rs:141:14
[INFO] [stderr]     |
[INFO] [stderr] 141 |          let mut axpbypc: neuronMod::AddGate = addg1.forward(axpby.utop, c);
[INFO] [stderr]     |              ----^^^^^^^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/neuron.rs:142:14
[INFO] [stderr]     |
[INFO] [stderr] 142 |          let mut s: neuronMod::SigmoidGate = sg0.forward(axpbypc.utop);
[INFO] [stderr]     |              ----^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method `backwards` is never used
[INFO] [stderr]   --> src/neuron.rs:43:12
[INFO] [stderr]    |
[INFO] [stderr] 27 | impl MultiplyGate {
[INFO] [stderr]    | ----------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 43 |     pub fn backwards(mut self) -> MultiplyGate {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `backward` is never used
[INFO] [stderr]   --> src/neuron.rs:72:12
[INFO] [stderr]    |
[INFO] [stderr] 56 | impl AddGate {
[INFO] [stderr]    | ------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 72 |     pub fn backward(mut self) -> AddGate {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `backward` is never used
[INFO] [stderr]    --> src/neuron.rs:113:12
[INFO] [stderr]     |
[INFO] [stderr] 95  | impl SigmoidGate {
[INFO] [stderr]     | ---------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 113 |     pub fn backward(mut self) -> SigmoidGate {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: module `neuronMod` should have a snake case name
[INFO] [stderr]  --> src/neuron.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | mod neuronMod {
[INFO] [stderr]   |     ^^^^^^^^^ help: convert the identifier to snake case: `neuron_mod`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_dummy_project` (bin "rust_dummy_project" test) generated 23 warnings (run `cargo fix --bin "rust_dummy_project" --tests` to apply 18 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[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 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_dummy_project-8610a4639f5feb3c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test neuron::tests::test_case ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4b86738aebac7939548fb50839b9f04479d960b9c7ca5352ee8ec35312d9a252", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b86738aebac7939548fb50839b9f04479d960b9c7ca5352ee8ec35312d9a252", kill_on_drop: false }`
[INFO] [stdout] 4b86738aebac7939548fb50839b9f04479d960b9c7ca5352ee8ec35312d9a252
