[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] testing celestecote21/neuronal_network_rust against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcelestecote21%2Fneuronal_network_rust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/celestecote21/neuronal_network_rust on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-1/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 606cdd815ebdb1afc67089df3f42f4bf1b0462856009887eb42965c1119516e4
[INFO] running `Command { std: "docker" "start" "-a" "606cdd815ebdb1afc67089df3f42f4bf1b0462856009887eb42965c1119516e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "606cdd815ebdb1afc67089df3f42f4bf1b0462856009887eb42965c1119516e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "606cdd815ebdb1afc67089df3f42f4bf1b0462856009887eb42965c1119516e4", kill_on_drop: false }`
[INFO] [stdout] 606cdd815ebdb1afc67089df3f42f4bf1b0462856009887eb42965c1119516e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1996115d2ce6fc8c6fedb6af9621d25010cbae3822e7be7d1321090ce1c77a9f
[INFO] running `Command { std: "docker" "start" "-a" "1996115d2ce6fc8c6fedb6af9621d25010cbae3822e7be7d1321090ce1c77a9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling rawpointer v0.2.1
[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]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling alga v0.9.3
[INFO] [stderr]    Compiling nalgebra v0.18.1
[INFO] [stderr]    Compiling neuronal_network_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/main.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         for t in 0..nb_img{
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/network.rs:69:17
[INFO] [stdout]    |
[INFO] [stdout] 69 |             let mut delta_out = match lm::hadamard(delta_out, Network::sigmoid_deri_v(z_last)){
[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: 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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.46s
[INFO] running `Command { std: "docker" "inspect" "1996115d2ce6fc8c6fedb6af9621d25010cbae3822e7be7d1321090ce1c77a9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1996115d2ce6fc8c6fedb6af9621d25010cbae3822e7be7d1321090ce1c77a9f", kill_on_drop: false }`
[INFO] [stdout] 1996115d2ce6fc8c6fedb6af9621d25010cbae3822e7be7d1321090ce1c77a9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b341c6b3ec87d42aca6a200b852857f0d7dcf8926f5cc73c2ebb0da30669433
[INFO] running `Command { std: "docker" "start" "-a" "6b341c6b3ec87d42aca6a200b852857f0d7dcf8926f5cc73c2ebb0da30669433", kill_on_drop: false }`
[INFO] [stderr]    Compiling neuronal_network_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/main.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         for t in 0..nb_img{
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/network.rs:69:17
[INFO] [stdout]    |
[INFO] [stdout] 69 |             let mut delta_out = match lm::hadamard(delta_out, Network::sigmoid_deri_v(z_last)){
[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: 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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "6b341c6b3ec87d42aca6a200b852857f0d7dcf8926f5cc73c2ebb0da30669433", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b341c6b3ec87d42aca6a200b852857f0d7dcf8926f5cc73c2ebb0da30669433", kill_on_drop: false }`
[INFO] [stdout] 6b341c6b3ec87d42aca6a200b852857f0d7dcf8926f5cc73c2ebb0da30669433
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9577ab8c789425d187f962c41d4167c0997622624354bed7c146a5073297c4a9
[INFO] running `Command { std: "docker" "start" "-a" "9577ab8c789425d187f962c41d4167c0997622624354bed7c146a5073297c4a9", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]   --> src/main.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |         for t in 0..nb_img{
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/network.rs:69:17
[INFO] [stderr]    |
[INFO] [stderr] 69 |             let mut delta_out = match lm::hadamard(delta_out, Network::sigmoid_deri_v(z_last)){
[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: field is never read: `vec_used`
[INFO] [stderr]   --> src/training_tuple.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     vec_used: Vec<bool>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `neur_L` should have a snake case name
[INFO] [stderr]   --> src/network.rs:82:21
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 for neur_L in 0..(self.layers_size[current_dim - 1]) as usize{
[INFO] [stderr]    |                     ^^^^^^ help: convert the identifier to snake case: `neur_l`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `neur_L1` should have a snake case name
[INFO] [stderr]   --> src/network.rs:84:25
[INFO] [stderr]    |
[INFO] [stderr] 84 |                     for neur_L1 in 0..(self.layers_size[current_dim]) as usize{
[INFO] [stderr]    |                         ^^^^^^^ help: convert the identifier to snake case: `neur_l1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/network.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 |         self.change_b_w(delta_total, a_total);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/neuronal_network_rust-546b5981fb9a6955)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test network::linear_math::tests_vec::test_elementwise ... ok
[INFO] [stdout] test network::linear_math::tests_vec::test_sub ... ok
[INFO] [stdout] test network::linear_math::tests_vec::test_responce ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9577ab8c789425d187f962c41d4167c0997622624354bed7c146a5073297c4a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9577ab8c789425d187f962c41d4167c0997622624354bed7c146a5073297c4a9", kill_on_drop: false }`
[INFO] [stdout] 9577ab8c789425d187f962c41d4167c0997622624354bed7c146a5073297c4a9