[INFO] cloning repository https://github.com/RodionKovalenko/rustCrates
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RodionKovalenko/rustCrates" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRodionKovalenko%2FrustCrates", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRodionKovalenko%2FrustCrates'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ffa9dfcda4b1007c8bf209f7007f9c2a623d126b
[INFO] testing RodionKovalenko/rustCrates against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRodionKovalenko%2FrustCrates" "/workspace/builds/worker-27/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-27/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RodionKovalenko/rustCrates on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-27/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/RodionKovalenko/rustCrates
[INFO] finished tweaking git repo https://github.com/RodionKovalenko/rustCrates
[INFO] tweaked toml for git repo https://github.com/RodionKovalenko/rustCrates written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate git repo https://github.com/RodionKovalenko/rustCrates already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] dabc18888bc9901e21143635581b4292b0e8ebb61dc7b05ea345fd38e7f7c49b
[INFO] running `Command { std: "docker" "start" "-a" "dabc18888bc9901e21143635581b4292b0e8ebb61dc7b05ea345fd38e7f7c49b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dabc18888bc9901e21143635581b4292b0e8ebb61dc7b05ea345fd38e7f7c49b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dabc18888bc9901e21143635581b4292b0e8ebb61dc7b05ea345fd38e7f7c49b", kill_on_drop: false }`
[INFO] [stdout] dabc18888bc9901e21143635581b4292b0e8ebb61dc7b05ea345fd38e7f7c49b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ee1fc130f85372ea158b264a562477aa979c137ddbd9f963dc25b5f74663aac
[INFO] running `Command { std: "docker" "start" "-a" "7ee1fc130f85372ea158b264a562477aa979c137ddbd9f963dc25b5f74663aac", kill_on_drop: false }`
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[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/neural_networks/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(in_band_lifetimes)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed due to unsolved ergonomic questions and added lifetime resolution complexity
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/neural_networks/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(associated_type_defaults)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/neural_networks/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(in_band_lifetimes)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `activation::sigmoid`
[INFO] [stdout]  --> src/neural_networks/network_types/feedforward_network.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use activation::sigmoid;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `abs`
[INFO] [stdout]  --> src/neural_networks/network_types/feedforward_network.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | use num::{range, abs};
[INFO] [stdout]   |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tanh_value`
[INFO] [stdout]   --> src/neural_networks/network_types/feedforward_network.rs:12:32
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::utils::activation::{tanh_value, tanh};
[INFO] [stdout]    |                                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/neural_networks/utils/derivative.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 13 |         derivative = (T::from(1.0) - (value.clone() * value.clone()))
[INFO] [stdout]    |                      ^                                              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 13 -         derivative = (T::from(1.0) - (value.clone() * value.clone()))
[INFO] [stdout] 13 +         derivative = T::from(1.0) - (value.clone() * value.clone())
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::num::FpCategory::Nan`
[INFO] [stdout]  --> src/neural_networks/utils/train.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use core::num::FpCategory::Nan;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/neural_networks/utils/train.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |     if (minibatch_end > num_sets) {
[INFO] [stdout]    |        ^                        ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 28 -     if (minibatch_end > num_sets) {
[INFO] [stdout] 28 +     if minibatch_end > num_sets {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/neural_networks/utils/train.rs:64:31
[INFO] [stdout]    |
[INFO] [stdout] 64 |                 delta_theta = ((learn_rate * m_hat) / (v_hat.sqrt() + e));
[INFO] [stdout]    |                               ^                                         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 64 -                 delta_theta = ((learn_rate * m_hat) / (v_hat.sqrt() + e));
[INFO] [stdout] 64 +                 delta_theta = (learn_rate * m_hat) / (v_hat.sqrt() + e);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/neural_networks/utils/train.rs:119:31
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 delta_theta = ((learn_rate * m_hat) / (v_hat.sqrt() + e));
[INFO] [stdout]     |                               ^                                         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 119 -                 delta_theta = ((learn_rate * m_hat) / (v_hat.sqrt() + e));
[INFO] [stdout] 119 +                 delta_theta = (learn_rate * m_hat) / (v_hat.sqrt() + e);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0261]: use of undeclared lifetime name `'a`
[INFO] [stdout]   --> src/neural_networks/network_types/feedforward_network.rs:48:27
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn forward(data_structs: &mut Vec<Data<f64>>,
[INFO] [stdout]    |               - help: consider introducing lifetime `'a` here: `<'a>`
[INFO] [stdout] 48 |                feed_net: &'a mut FeedforwardNetwork<f64>,
[INFO] [stdout]    |                           ^^ undeclared lifetime
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0261]: use of undeclared lifetime name `'a`
[INFO] [stdout]   --> src/neural_networks/network_types/feedforward_network.rs:50:20
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn forward(data_structs: &mut Vec<Data<f64>>,
[INFO] [stdout]    |               - help: consider introducing lifetime `'a` here: `<'a>`
[INFO] [stdout] ...
[INFO] [stdout] 50 |                -> &'a mut FeedforwardNetwork<f64> {
[INFO] [stdout]    |                    ^^ undeclared lifetime
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0261]: use of undeclared lifetime name `'a`
[INFO] [stdout]    --> src/neural_networks/network_types/feedforward_network.rs:104:25
[INFO] [stdout]     |
[INFO] [stdout] 103 | pub fn train(data_structs: &mut Vec<Data<f64>>,
[INFO] [stdout]     |             - help: consider introducing lifetime `'a` here: `<'a>`
[INFO] [stdout] 104 |              feed_net: &'a mut FeedforwardNetwork<f64>,
[INFO] [stdout]     |                         ^^ undeclared lifetime
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0261, E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0261`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_main_project` due to 7 previous errors; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7ee1fc130f85372ea158b264a562477aa979c137ddbd9f963dc25b5f74663aac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ee1fc130f85372ea158b264a562477aa979c137ddbd9f963dc25b5f74663aac", kill_on_drop: false }`
[INFO] [stdout] 7ee1fc130f85372ea158b264a562477aa979c137ddbd9f963dc25b5f74663aac