[INFO] cloning repository https://github.com/lokr314/neuronal_network
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lokr314/neuronal_network" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flokr314%2Fneuronal_network", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flokr314%2Fneuronal_network'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7cd8ce6e4d94396d9968662209f53fc77803c0ea
[INFO] checking lokr314/neuronal_network against try#8c500c7cefd54fd11d57295f3771d576be9ee415 for pr-145113
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flokr314%2Fneuronal_network" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lokr314/neuronal_network
[INFO] finished tweaking git repo https://github.com/lokr314/neuronal_network
[INFO] tweaked toml for git repo https://github.com/lokr314/neuronal_network written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lokr314/neuronal_network on toolchain 8c500c7cefd54fd11d57295f3771d576be9ee415
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lokr314/neuronal_network 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" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking lokr314/neuronal_network against try#8c500c7cefd54fd11d57295f3771d576be9ee415 for pr-145113
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flokr314%2Fneuronal_network" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lokr314/neuronal_network
[INFO] finished tweaking git repo https://github.com/lokr314/neuronal_network
[INFO] tweaked toml for git repo https://github.com/lokr314/neuronal_network written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lokr314/neuronal_network on toolchain 8c500c7cefd54fd11d57295f3771d576be9ee415
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lokr314/neuronal_network 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" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust-mnist v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47d4024306c3d75660fa00e0ac4b3f18d0985fe49f31480f46bcf6f17f065ca1
[INFO] running `Command { std: "docker" "start" "-a" "47d4024306c3d75660fa00e0ac4b3f18d0985fe49f31480f46bcf6f17f065ca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47d4024306c3d75660fa00e0ac4b3f18d0985fe49f31480f46bcf6f17f065ca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47d4024306c3d75660fa00e0ac4b3f18d0985fe49f31480f46bcf6f17f065ca1", kill_on_drop: false }`
[INFO] [stdout] 47d4024306c3d75660fa00e0ac4b3f18d0985fe49f31480f46bcf6f17f065ca1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bc7d5d85d7ebb1684f672d6bd31e110f8174e32d1326ae77bc1027934b1ca6d
[INFO] running `Command { std: "docker" "start" "-a" "7bc7d5d85d7ebb1684f672d6bd31e110f8174e32d1326ae77bc1027934b1ca6d", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]     Checking miniz_oxide v0.7.3
[INFO] [stderr]     Checking fdeflate v0.3.4
[INFO] [stderr]     Checking rust-mnist v0.2.0
[INFO] [stderr]     Checking flate2 v1.0.30
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking png v0.17.13
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking neuronal_network v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `softbest`
[INFO] [stdout]  --> src/neuronal_network.rs:3:41
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::activating_functions::{self, softbest, softmax};
[INFO] [stdout]   |                                         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `softbest`
[INFO] [stdout]  --> src/neuronal_network.rs:3:41
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::activating_functions::{self, softbest, softmax};
[INFO] [stdout]   |                                         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `leaky_relu_derivative` and `sigmoid_derivative`
[INFO] [stdout]  --> src/backpropagation.rs:7:35
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::activating_functions::{leaky_relu_derivative, relu_derivative, sigmoid_derivative};
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^^^^^^^^^                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `leaky_relu_derivative` and `sigmoid_derivative`
[INFO] [stdout]  --> src/backpropagation.rs:7:35
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::activating_functions::{leaky_relu_derivative, relu_derivative, sigmoid_derivative};
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^^^^^^^^^                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read` and `self`
[INFO] [stdout]  --> src/main.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::{fs::{self, File}, io::{Read, Write}, rc::Rc};
[INFO] [stdout]   |                ^^^^              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read` and `self`
[INFO] [stdout]  --> src/main.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::{fs::{self, File}, io::{Read, Write}, rc::Rc};
[INFO] [stdout]   |                ^^^^              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layout`
[INFO] [stdout]   --> src/tests.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let layout = vec![2, 3, 2];
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.88s
[INFO] running `Command { std: "docker" "inspect" "7bc7d5d85d7ebb1684f672d6bd31e110f8174e32d1326ae77bc1027934b1ca6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bc7d5d85d7ebb1684f672d6bd31e110f8174e32d1326ae77bc1027934b1ca6d", kill_on_drop: false }`
[INFO] [stdout] 7bc7d5d85d7ebb1684f672d6bd31e110f8174e32d1326ae77bc1027934b1ca6d