[INFO] updating cached repository https://github.com/ThatCreeper/ai-kinda-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 409b88ce893fa1d5c24250aa5a152b260a0d95b7
[INFO] testing ThatCreeper/ai-kinda-rust against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThatCreeper%2Fai-kinda-rust" "/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/ThatCreeper/ai-kinda-rust on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ThatCreeper/ai-kinda-rust
[INFO] finished tweaking git repo https://github.com/ThatCreeper/ai-kinda-rust
[INFO] tweaked toml for git repo https://github.com/ThatCreeper/ai-kinda-rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ThatCreeper/ai-kinda-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", 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] 17fb8472e84fe6ee3ae7a37880dc9425fbf68b10363b8e821db37458dbc3d048
[INFO] running `Command { std: "docker" "start" "-a" "17fb8472e84fe6ee3ae7a37880dc9425fbf68b10363b8e821db37458dbc3d048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17fb8472e84fe6ee3ae7a37880dc9425fbf68b10363b8e821db37458dbc3d048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17fb8472e84fe6ee3ae7a37880dc9425fbf68b10363b8e821db37458dbc3d048", kill_on_drop: false }`
[INFO] [stdout] 17fb8472e84fe6ee3ae7a37880dc9425fbf68b10363b8e821db37458dbc3d048
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9495e724b63e0985fb65678d9d3a74678cc5b7a2ad8fb47e5f63afee123835c
[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" "c9495e724b63e0985fb65678d9d3a74678cc5b7a2ad8fb47e5f63afee123835c", kill_on_drop: false }`
[INFO] [stderr]    Compiling ai-kinda-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Connection`
[INFO] [stdout]  --> src/connection.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Connection {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Layer`
[INFO] [stdout]  --> src/layer.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Layer {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create`
[INFO] [stdout]   --> src/layer.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn create() -> Layer {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Network`
[INFO] [stdout]  --> src/network.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Network {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create`
[INFO] [stdout]  --> src/network.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn create() -> Network {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_layer`
[INFO] [stdout]   --> src/network.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn add_layer(&mut self, layer: layer::Layer) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `NeuronIO`
[INFO] [stdout]  --> src/neuron.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum NeuronIO {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Neuron`
[INFO] [stdout]  --> src/neuron.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Neuron {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `System`
[INFO] [stdout]  --> src/system.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct System {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create`
[INFO] [stdout]  --> src/system.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn create() -> System {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_network`
[INFO] [stdout]   --> src/system.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn create_network(&mut self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_layer`
[INFO] [stdout]   --> src/system.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn create_layer(&mut self, net: usize) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "c9495e724b63e0985fb65678d9d3a74678cc5b7a2ad8fb47e5f63afee123835c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9495e724b63e0985fb65678d9d3a74678cc5b7a2ad8fb47e5f63afee123835c", kill_on_drop: false }`
[INFO] [stdout] c9495e724b63e0985fb65678d9d3a74678cc5b7a2ad8fb47e5f63afee123835c
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d51d2946db3cf2f3d9e18cb3197756859350dd7c6754672889862b63882bf67
[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" "3d51d2946db3cf2f3d9e18cb3197756859350dd7c6754672889862b63882bf67", kill_on_drop: false }`
[INFO] [stderr]    Compiling ai-kinda-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Connection`
[INFO] [stdout]  --> src/connection.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Connection {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Layer`
[INFO] [stdout]  --> src/layer.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Layer {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create`
[INFO] [stdout]   --> src/layer.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn create() -> Layer {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Network`
[INFO] [stdout]  --> src/network.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Network {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create`
[INFO] [stdout]  --> src/network.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn create() -> Network {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_layer`
[INFO] [stdout]   --> src/network.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn add_layer(&mut self, layer: layer::Layer) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `NeuronIO`
[INFO] [stdout]  --> src/neuron.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum NeuronIO {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Neuron`
[INFO] [stdout]  --> src/neuron.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Neuron {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `System`
[INFO] [stdout]  --> src/system.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct System {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create`
[INFO] [stdout]  --> src/system.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn create() -> System {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_network`
[INFO] [stdout]   --> src/system.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn create_network(&mut self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_layer`
[INFO] [stdout]   --> src/system.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn create_layer(&mut self, net: usize) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "3d51d2946db3cf2f3d9e18cb3197756859350dd7c6754672889862b63882bf67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d51d2946db3cf2f3d9e18cb3197756859350dd7c6754672889862b63882bf67", kill_on_drop: false }`
[INFO] [stdout] 3d51d2946db3cf2f3d9e18cb3197756859350dd7c6754672889862b63882bf67
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 32c0777abfecde12775b559983a8fa690f459a887acef9f5798abe040f71ea19
[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" "32c0777abfecde12775b559983a8fa690f459a887acef9f5798abe040f71ea19", kill_on_drop: false }`
[INFO] [stderr] warning: struct is never constructed: `Connection`
[INFO] [stderr]  --> src/connection.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Connection {
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Layer`
[INFO] [stderr]  --> src/layer.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Layer {
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create`
[INFO] [stderr]   --> src/layer.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn create() -> Layer {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Network`
[INFO] [stderr]  --> src/network.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Network {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create`
[INFO] [stderr]  --> src/network.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn create() -> Network {
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_layer`
[INFO] [stderr]   --> src/network.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn add_layer(&mut self, layer: layer::Layer) -> usize {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `NeuronIO`
[INFO] [stderr]  --> src/neuron.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub enum NeuronIO {
[INFO] [stderr]   |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Neuron`
[INFO] [stderr]  --> src/neuron.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct Neuron {
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `System`
[INFO] [stderr]  --> src/system.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct System {
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create`
[INFO] [stderr]  --> src/system.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn create() -> System {
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `create_network`
[INFO] [stderr]   --> src/system.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn create_network(&mut self) -> usize {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `create_layer`
[INFO] [stderr]   --> src/system.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn create_layer(&mut self, net: usize) -> usize {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ai_kinda_rust-1c7b79214898b350
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "32c0777abfecde12775b559983a8fa690f459a887acef9f5798abe040f71ea19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32c0777abfecde12775b559983a8fa690f459a887acef9f5798abe040f71ea19", kill_on_drop: false }`
[INFO] [stdout] 32c0777abfecde12775b559983a8fa690f459a887acef9f5798abe040f71ea19