[INFO] cloning repository https://github.com/xayon40-12/neural_network
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xayon40-12/neural_network" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxayon40-12%2Fneural_network", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxayon40-12%2Fneural_network'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 29943b08d4841c2ac72b10a0e59f3805f72d9e0e
[INFO] checking xayon40-12/neural_network against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxayon40-12%2Fneural_network" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xayon40-12/neural_network on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xayon40-12/neural_network
[INFO] finished tweaking git repo https://github.com/xayon40-12/neural_network
[INFO] tweaked toml for git repo https://github.com/xayon40-12/neural_network written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/xayon40-12/neural_network already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57bea19c120d6359d8adb6f1115118f23fec35fab6ad5ba33be3daa9ebe6dbc3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "57bea19c120d6359d8adb6f1115118f23fec35fab6ad5ba33be3daa9ebe6dbc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57bea19c120d6359d8adb6f1115118f23fec35fab6ad5ba33be3daa9ebe6dbc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57bea19c120d6359d8adb6f1115118f23fec35fab6ad5ba33be3daa9ebe6dbc3", kill_on_drop: false }`
[INFO] [stdout] 57bea19c120d6359d8adb6f1115118f23fec35fab6ad5ba33be3daa9ebe6dbc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9be7d10eec78f5d1ab0b4829570b361a92f2555f5ca24fa0410b755ba898c595
[INFO] running `Command { std: "docker" "start" "-a" "9be7d10eec78f5d1ab0b4829570b361a92f2555f5ca24fa0410b755ba898c595", kill_on_drop: false }`
[INFO] [stderr]     Checking neural_network v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/neuron.rs:55:19
[INFO] [stdout]    |
[INFO] [stdout] 55 |     transfer: Box<Fn(f32) -> f32>
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32) -> f32`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/neuron.rs:59:30
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn new(transfer: Box<Fn(f32)->f32>, ntype: NeuronType) -> Neuron<'a> {
[INFO] [stdout]    |                              ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32)->f32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `neuron::*`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use neuron::*;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/neuron.rs:55:19
[INFO] [stdout]    |
[INFO] [stdout] 55 |     transfer: Box<Fn(f32) -> f32>
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32) -> f32`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/neuron.rs:59:30
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn new(transfer: Box<Fn(f32)->f32>, ntype: NeuronType) -> Neuron<'a> {
[INFO] [stdout]    |                              ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32)->f32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `NeuralNet`
[INFO] [stdout]  --> src/neural_net.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct NeuralNet {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `n`
[INFO] [stdout]   --> src/neuron.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     n: &'a Neuron<'a>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `w`
[INFO] [stdout]   --> src/neuron.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     w: f32
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `n`
[INFO] [stdout]   --> src/neuron.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     n: &'a Neuron<'a>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `w`
[INFO] [stdout]   --> src/neuron.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     w: &'a f32
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `linked_by`
[INFO] [stdout]   --> src/neuron.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     linked_by: Vec<BScinapse<'a>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dist`
[INFO] [stdout]   --> src/neuron.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     dist: Option<u32>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `old_value`
[INFO] [stdout]   --> src/neuron.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     old_value: f32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ntype`
[INFO] [stdout]   --> src/neuron.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     ntype: NeuronType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `computed`
[INFO] [stdout]   --> src/neuron.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     computed: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `transfer`
[INFO] [stdout]   --> src/neuron.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     transfer: Box<Fn(f32) -> f32>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let mut n2 = Neuron::new(Box::new(threshold), NeuronType::Input);
[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/lib.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let mut n3 = Neuron::new(Box::new(threshold), NeuronType::Input);
[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/lib.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let mut n4 = Neuron::new(Box::new(threshold), NeuronType::Input);
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `NeuralNet`
[INFO] [stdout]  --> src/neural_net.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct NeuralNet {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `n`
[INFO] [stdout]   --> src/neuron.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     n: &'a Neuron<'a>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `w`
[INFO] [stdout]   --> src/neuron.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     w: f32
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `n`
[INFO] [stdout]   --> src/neuron.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     n: &'a Neuron<'a>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `w`
[INFO] [stdout]   --> src/neuron.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     w: &'a f32
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `linked_by`
[INFO] [stdout]   --> src/neuron.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     linked_by: Vec<BScinapse<'a>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dist`
[INFO] [stdout]   --> src/neuron.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     dist: Option<u32>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `old_value`
[INFO] [stdout]   --> src/neuron.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     old_value: f32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ntype`
[INFO] [stdout]   --> src/neuron.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     ntype: NeuronType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `computed`
[INFO] [stdout]   --> src/neuron.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     computed: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `transfer`
[INFO] [stdout]   --> src/neuron.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     transfer: Box<Fn(f32) -> f32>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "9be7d10eec78f5d1ab0b4829570b361a92f2555f5ca24fa0410b755ba898c595", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9be7d10eec78f5d1ab0b4829570b361a92f2555f5ca24fa0410b755ba898c595", kill_on_drop: false }`
[INFO] [stdout] 9be7d10eec78f5d1ab0b4829570b361a92f2555f5ca24fa0410b755ba898c595