[INFO] cloning repository https://github.com/celestecote21/neuronal_network_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/celestecote21/neuronal_network_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcelestecote21%2Fneuronal_network_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcelestecote21%2Fneuronal_network_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 77e259ae87653e040e4e90249c4c18c928e27144
[INFO] checking celestecote21/neuronal_network_rust against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcelestecote21%2Fneuronal_network_rust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/celestecote21/neuronal_network_rust on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/celestecote21/neuronal_network_rust
[INFO] finished tweaking git repo https://github.com/celestecote21/neuronal_network_rust
[INFO] tweaked toml for git repo https://github.com/celestecote21/neuronal_network_rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/celestecote21/neuronal_network_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bbc6e45ff763b5080b71f19f68e5a2fa64ebbf11549cd35e431504c8c8eb469
[INFO] running `Command { std: "docker" "start" "-a" "1bbc6e45ff763b5080b71f19f68e5a2fa64ebbf11549cd35e431504c8c8eb469", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bbc6e45ff763b5080b71f19f68e5a2fa64ebbf11549cd35e431504c8c8eb469", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bbc6e45ff763b5080b71f19f68e5a2fa64ebbf11549cd35e431504c8c8eb469", kill_on_drop: false }`
[INFO] [stdout] 1bbc6e45ff763b5080b71f19f68e5a2fa64ebbf11549cd35e431504c8c8eb469
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03e0573d58e18b082c51da7a59d188e09088469aa162b95dff5b87fd2ac7e065
[INFO] running `Command { std: "docker" "start" "-a" "03e0573d58e18b082c51da7a59d188e09088469aa162b95dff5b87fd2ac7e065", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]     Checking neuronal_network_rust v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/network.rs (1 fix)
[INFO] [stderr]        Fixed src/main.rs (1 fix)
[INFO] [stdout] warning: field is never read: `vec_used`
[INFO] [stdout]   --> src/training_tuple.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     vec_used: Vec<bool>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `neur_L` should have a snake case name
[INFO] [stdout]   --> src/network.rs:82:21
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 for neur_L in 0..(self.layers_size[current_dim - 1]) as usize{
[INFO] [stdout]    |                     ^^^^^^ help: convert the identifier to snake case: `neur_l`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `neur_L1` should have a snake case name
[INFO] [stdout]   --> src/network.rs:84:25
[INFO] [stdout]    |
[INFO] [stdout] 84 |                     for neur_L1 in 0..(self.layers_size[current_dim]) as usize{
[INFO] [stdout]    |                         ^^^^^^^ help: convert the identifier to snake case: `neur_l1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/network.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         self.change_b_w(delta_total, a_total);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `vec_used`
[INFO] [stdout]   --> src/training_tuple.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     vec_used: Vec<bool>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `neur_L` should have a snake case name
[INFO] [stdout]   --> src/network.rs:82:21
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 for neur_L in 0..(self.layers_size[current_dim - 1]) as usize{
[INFO] [stdout]    |                     ^^^^^^ help: convert the identifier to snake case: `neur_l`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `neur_L1` should have a snake case name
[INFO] [stdout]   --> src/network.rs:84:25
[INFO] [stdout]    |
[INFO] [stdout] 84 |                     for neur_L1 in 0..(self.layers_size[current_dim]) as usize{
[INFO] [stdout]    |                         ^^^^^^^ help: convert the identifier to snake case: `neur_l1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/network.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         self.change_b_w(delta_total, a_total);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.95s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking neuronal_network_rust v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: field is never read: `vec_used`
[INFO] [stdout]   --> src/training_tuple.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     vec_used: Vec<bool>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `neur_L` should have a snake case name
[INFO] [stdout]   --> src/network.rs:82:21
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 for neur_L in 0..(self.layers_size[current_dim - 1]) as usize{
[INFO] [stdout]    |                     ^^^^^^ help: convert the identifier to snake case: `neur_l`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `neur_L1` should have a snake case name
[INFO] [stdout]   --> src/network.rs:84:25
[INFO] [stdout]    |
[INFO] [stdout] 84 |                     for neur_L1 in 0..(self.layers_size[current_dim]) as usize{
[INFO] [stdout]    |                         ^^^^^^^ help: convert the identifier to snake case: `neur_l1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/network.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         self.change_b_w(delta_total, a_total);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `vec_used`
[INFO] [stdout]   --> src/training_tuple.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     vec_used: Vec<bool>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `neur_L` should have a snake case name
[INFO] [stdout]   --> src/network.rs:82:21
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 for neur_L in 0..(self.layers_size[current_dim - 1]) as usize{
[INFO] [stdout]    |                     ^^^^^^ help: convert the identifier to snake case: `neur_l`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `neur_L1` should have a snake case name
[INFO] [stdout]   --> src/network.rs:84:25
[INFO] [stdout]    |
[INFO] [stdout] 84 |                     for neur_L1 in 0..(self.layers_size[current_dim]) as usize{
[INFO] [stdout]    |                         ^^^^^^^ help: convert the identifier to snake case: `neur_l1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/network.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         self.change_b_w(delta_total, a_total);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "03e0573d58e18b082c51da7a59d188e09088469aa162b95dff5b87fd2ac7e065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03e0573d58e18b082c51da7a59d188e09088469aa162b95dff5b87fd2ac7e065", kill_on_drop: false }`
[INFO] [stdout] 03e0573d58e18b082c51da7a59d188e09088469aa162b95dff5b87fd2ac7e065